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4.2 Subscriber information for Localised Service Area
For a subscriber, the network operator or the service provider can define one or more LSA(s) as allowed LSA(s). It shall be possible to establish an order of priority between the allowed LSAs for a given subscriber and if the subscriber shall have preferential access within these LSAs. It shall also be possible to define whether access outside the allowed LSA(s) is allowed for a subscriber. Subscriber specific LSA information is stored and managed in the HLR. Application related LSA information is stored in appropriate service platform, e.g. in the CAMEL Service Environment (see annex A). In addition to subscriber details in the HLR server, it is also necessary for subscriber specific LSA information to be stored and managed in the SIM. Subscribers may receive SIM cards with the initial LSA data stored. The management of LSA data on SIM may be performed manually (in which case SIM has to be returned to the network operator or service provider for updating), or over the air interface as described in subclause 11.3.
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4.3 Localised Service Area support in idle mode
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4.3.1 Cell selection and reselection
A cell reselection mechanism as defined in subclause 11.4.2 shall be used so that when camping on a cell in idle mode, the subscriber's mobile station favours the cells belonging to her LSA(s). The mobile station shall always attempt to reselect a cell in a higher priority LSA. Cells outside the allowed LSA(s) shall have the lowest priority.
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4.3.2 Localised service area indication
The service subscriber can define a name (alphanumeric name, icon, etc) for each of her allowed LSAs. The MS will, in idle mode and if required by the user, indicate to the user the current LSA. The indication may be the name of the current LSA, as set by the user. The form of display and indication are left to manufacturer's choice.
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4.3.3 Exclusive access
An exclusive access cell is a cell belonging to one or more LSAs and with allowed access only for users having this exclusive access cell included in his/her allowed LSAs. Other user's mobile stations must be prevented from using the cell to obtain any service, other than TS12 (Emergency Calls).
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4.3.4 LSA only access
It shall be BSS-controlled functionality to prevent terminated and/or originated calls outside the subscriber's allowed LSA(s). Emergency calls are however always allowed.
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4.4 Localised Service Area support in active mode
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4.4.1 Localised service area indication
As a network option, service subscribers may be notified at change of current LSA. This notification shall be performed as described in subclause 11.7. The form of display and indication are left to manufacturer's choice.
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4.4.2 Resource handling
As a network operator option it shall be possible to allow or prohibit connection set-up and handover depending on the subscriber's LSA information. Information to be made available to the radio resource allocation function and the handover function are as depicted in subclause 8.2.2. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 9 (GSM 03.73 version 7.2.0 Release 1998) NOTE: For the handling of an established connection, it is out of scope of the present document to describe how the network shall perform the resource allocation, handover, etc. depending on the subscriber's LSA information. The following shall only be seen as examples. Assignment of traffic resources in preferential access LSA's may (network option) be favoured for subscribers having this cell as part of their allowed LSAs. When the subscriber sets up a call in one of her LSAs, the cells belonging to that LSA can (network option) be favoured when handovers are carried out. Handovers to exclusive access cells can (network option) be prevented for users not having the cell as part of their allowed LSA. For a user with LSA only access, handovers as well as new originating and terminating calls may (network option) be allowed outside the allowed LSAs. Emergency calls are however always allowed
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4.5 Localised Service Area support in access control
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4.5.1 Emergency Call setup
The Emergency Call setup shall always be accepted by the MSC.
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4.5.2 Mobile Originating and Mobile Terminating Call setup
The MSC receives the LSA ID(s) of the current cell from the BSC before the call setup. The current LSA can be selected on the basis of the allowed LSA(s) in the subscriber data. Depending on the current LSA, the network may continue as follows: • The MSC accepts the setup without Active mode support, if the active mode indicator flag for selected LSA is not set. • The MSC accepts the setup with Active mode support, if the active mode indicator flag for selected LSA is set. • The MSC starts charging activities for the current LSA
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4.5.3 (void)
4.5.4 Call unrelated services (Short message transfer, USSD, Supplementary Service management) The MSC receives the LSA ID(s) of the current cell from the BSC in the COMPLETE_L3_INFO. The current LSA can be selected on the basis of the allowed LSA(s) in the subscriber data and it can be used e.g. for the charging purposes. Service requests in exclusive access cells are accepted only for subscribers with subscription to the exclusive access cells. For subscribers with LSA only access call unrelated service requests are accepted even outside of the allowed LSAs. Active mode support may apply for call unrelated services.
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4.5.5 (void)
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5 General architecture
No specific requirements are identified. The general architecture of GSM is maintained. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 10 (GSM 03.73 version 7.2.0 Release 1998) Active mode support - Handover support (CS) - Network controlled cell reselection support (PS) MAP Subscriber’s LSA Data (relevant in the VPLMN) Create and download LSA information LSA Subscription Information BTS MS BCCH : - LSA cell reselection parameters - LSA id list (optional) - Cell id (optional) SIM ATK SIM data download (optional) LSA Subscription Information Subscriber’s LSA Data LSA data stored in SIM SGSN MSC VLR SSP HLR Idle mode support and indication LSA definition LSA ID – cell id mapping Set exclusive access cells Set cell reselection parameters MAP Subscriber’s LSA Data (relevant in the SGSN) LSA ID(s) of current cell BSC LSA ID(s) of current cell Service Mgmt Subscriber’s LSA Data Figure 1: General architecture
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6 Compatibility issues
LSA can not be used with standard phase 1 or phase 2 mobile stations (or with non-compatible phase 2+ mobile stations) with all service aspects. A dedicated mobile station with LSA capability is required. A compatible mobile station shall provide the following specific functions: cell reselection in case of a LSA subscription; notification of the current LSA. A mobile station with LSA capability shall also provide the complete functionality in order to allow the use of phase 2 services. Standard phase 1 and phase 2 mobile stations in a network shall not be impacted by the presence of LSA services in that network due to LSA signalling, also if the mobile station is operated with a SIM that contains SoLSA fields. However, if LSA is provided in a network, it can be applied to non-compatible mobile stations in the following way: For a user with a LSA service subscription and with LSA only access, support is given for LSA only access, with exception of the notification (LSA indication). For a user with a LSA service subscription, support is given for LSAs in active mode, with exception of the notification (LSA indication).
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6.1 Handling of mobiles in exclusive access cells
The network shall broadcast information that the cell is used for exclusive access. This information is understood only by SoLSA compatible mobile stations. In order to prevent not allowed mobile stations to camp on exclusive access cells, the network may broadcast the escape PLMN code. The real PLMN code is still broadcast but only SoLSA compatible mobile stations can understand the information. If a location/routing area updating request is received in a cell broadcasting the escape PLMN code: • from a SoLSA compatible mobile station, the network shall not reject the request because of LSA subscription. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 11 (GSM 03.73 version 7.2.0 Release 1998) • from a non-SoLSA compatible mobile station, the network shall reject the request with the cause 'PLMN not allowed'. • from a mobile station where the SoLSA compatibility is not known by the network (e.g. because classmark information was not received), the network shall neither accept nor reject the request. After a while, the mobile station may retry to perform the location/routing area updating. In order to know that the mobile station is SoLSA compatible, the network allows the mobile stations to perform 'early classmark sending procedure'.
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6.2 LSA support in network
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6.2.1 VLR not supporting LSA
HLR shall reject roaming of a LSA only access subscriber to a VLR, which does not support LSA. A VLR supporting LSA shall indicate at location updating to the HLR that it supports LSA according to GSM 09.02.
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6.2.2 SGSN not supporting LSA
HLR shall reject roaming of a LSA only access subscriber to an SGSN, which does not support LSA. A SGSN supporting LSA shall indicate at location updating to the HLR that it supports LSA according to GSM 09.02.
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6.2.3 BSS not supporting LSA
This chapter handles networks where in the MSC/VLR service area only parts of the BSSs are supporting LSA. This configuration shall be seen as a network option. MSC/VLR shall reject MS originating/terminating call set-up for LSA only access subscribers when serving BSS does not support LSA.
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7 Transmission
No specific requirements are identified.
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8 Information storage
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8.1 Information managed per subscriber
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8.1.1 Stored in the HLR
The following mandatory information shall be stored in the HLR for each service subscriber: - a list of all the LSA Ids for the service subscriber; - the priority for each LSA; - the preferential access indicator for each LSA; - the LSA only access indicator. The following optional information may be stored in the HLR for each service subscriber: - LSA only access indication text (text to be displayed when out of LSA). ETSI ETSI TS 101 416 V7.2.0 (2000-01) 12 (GSM 03.73 version 7.2.0 Release 1998) The following optional information may also be stored for each subscribed LSA: - LSA name (A text string describing area and/or service. For example "ETSI BUILDING"); - LSA indication for idle mode (flag to activate/deactivate LSA indication in idle mode); - LSA indication for active mode (flag to activate/deactivate LSA indication in active mode); - idle mode support (flag to activate/deactivate idle mode support in LSA); - active mode support (flag to activate/deactivate active mode support in LSA). The LSA Ids are defined in subclause 9.1.1. A service subscriber shall not be provided with more than 20 LSAs per PLMN (including universal LSA's).
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8.1.2 Stored in the VLR
The following mandatory information, which is relevant in the VPLMN, shall be stored in the VLR for each service subscriber: a list of all the LSA Ids for the service subscriber; the priority for each LSA; the preferential access indicator for each LSA; the LSA only access indicator. The following optional information may also be stored for each subscribed LSA: LSA indication for active mode (flag to activate/deactivate LSA indication in active mode); active mode support (flag to activate/deactivate active mode support in LSA). This information shall be brought forward to the VLR at the same time as other subscriber information is copied form HLR. VLR entries shall be modified when corresponding HLR records are changed.
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8.1.3 Stored in the SIM
The following mandatory information shall be stored in the SIM for each service subscriber: a list of all the LSA Ids for the service subscriber; the priority for each LSA; the LSA only access indicator. The following optional information may be stored in the SIM for each service subscriber: LSA only access indication text (text to be displayed when out of LSA). The following optional information may also be stored for each subscribed LSA: a list of all the cell identities for the subscribed LSA; LSA name (A text string describing area and / or service. For example "ETSI BUILDING"); LSA indication for idle mode (flag to activate/deactivate LSA indication in idle mode); - idle mode support (flag to activate/deactivate idle mode support in LSA); The information shall be modified when corresponding HLR and BSS records are changed. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 13 (GSM 03.73 version 7.2.0 Release 1998)
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8.1.4 Stored in the SGSN
The following mandatory information, which is relevant in the VPLMN, shall be stored in the SGSN for each service subscriber: a list of all the LSA Ids for the service subscriber; the priority for each LSA; the preferential access indicator for each LSA; the LSA only access indicator. The following optional information may also be stored for each subscribed LSA: LSA indication for active mode (flag to activate/deactivate LSA indication in active mode); active mode support (flag to activate/deactivate active mode support in LSA). This information shall be brought forward to the SGSN at the same time as other subscriber information is copied form HLR. SGSN entries shall be modified when corresponding HLR records are changed.
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8.2 Information managed per LSA
The LSA is defined as a list of cells inside the network. The cells shall be defined by their cell identification consisting of the Location Area Code and the Cell Identity as defined in GSM 08.08 and are therefore uniquely identified in the network.
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8.2.1 Stored in the MSC
The information stored in the MSC (network option) is the network specific service configuration of each LSA defined by the network operator and relevant for the MSC. The network specific configuration of each LSA may also include specific rules for e.g. the priority handling and the mapping between LSA information for the subscriber (VLR data) and the LSA information sent to BSS and when to notify MS about a service area change. NOTE: For the handling of call establishment, it is out of scope of the present document to describe how the network shall perform e.g. mapping between LSA information for the subscriber (VLR data) and the LSA information sent to BSS. The network specific service configuration information shall only be seen as an example.
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8.2.2 Stored in the BSS
The information stored in the BSS is the network specific service configuration of each LSA defined by the network operator and relevant for the BSS. For each LSA relevant for the BSS in case of internal and external handover support, the LSA ID and the cells belonging to the LSA shall be stored. The BSS must also have knowledge about in which LSA cells that the exclusive access shall be indicated. The network specific configuration of each LSA may also include rules for e.g. handover and resource allocation. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 14 (GSM 03.73 version 7.2.0 Release 1998)
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9 Identities
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9.1 Identities for LSA
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9.1.1 LSA ID
The LSA ID shall either be a PLMN significant number or a universal identity, indicated by one bit in the LSA ID. PLMN significant number: The LSA ID shall be a binary number uniquely assigned to an area in one network. The identity consists of 3 octets. Universal identity: The LSA ID shall be a globally unique identity assigned to a specific company or organization. A suitable Assigning and Registration Authority is required.
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9.1.2 LSA name
It shall be possible to assign a subscriber-defined identifier to each LSA. The LSA name can e.g. be an icon or an alphanumeric text up to 10 characters.
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10 Operation and maintenance aspects
The operators have the possibility to: - Define LSAs consisting of a cell or a number of cells. - Set parameters for prioritised LSA cell reselection. - Set the parameter for exclusive access.
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11 Function and information flows
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11.1 LSA management
The LSA attributes, as given in subclause 8.2 shall be entered and modified by the network operator or the service provider.
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11.2 Subscription management
When the subscriber record is created in the HLR, the list of allowed LSAs, priority of each LSA, the preferential access indicator of each LSA and information about access rights outside these LSAs shall be included. The network operator can change the LSA information for a subscription at any time. A change of subscription shall not affect any on-going calls at the moment of change. The update of SIM with user LSA information is done as depicted in subclause 11.3.
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11.3 Update of LSA data in SIM
SIM Application Toolkit (SAT) SIM Data Download procedure, as specified in GSM 11.14, can be used to download LSA data to SIM over the air interface. SAT class 1 supports SMS as the bearer for LSA data. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 15 (GSM 03.73 version 7.2.0 Release 1998) When using over the air interface for updating LSA information on the SIM card the GSM 03.48 specifies Standardised SIM toolkit commands for Remote File Management: - GSM 03.48 contains a standard format for remote file handling based on the instruction set from GSM 11.11. Operators have possibility to use and update SIMs from different vendors. - The parameter(s) in the SIM Data Download Message is either a single command, or a list of commands, and each command is coded according to the generalised structure defined in GSM 03.48. - Data field to be used in commands will be specified in GSM 11.11 for SoLSA GSM Rec. 03.48 also specifies various security mechanisms (e.g. various derivatives of DES) that can used to protect the remote file management commands. New SIMs for SoLSA are needed to cater for SIM related security issues. Unauthorised modification of SoLSA data in SIM, either by users or by any other entity, is to be prohibited.
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11.4 Functions related to MS in idle mode for support of LSA
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11.4.1 Broadcast information
In cells belonging to a LSA, the LSA ID(s) and/or cell identity is broadcast. Further, in cells belonging to a LSA, which shall give exclusive access to a subscriber group, an exclusive access indication and/or the escape PLMN are broadcast. If the escape PLMN is broadcast then also the real PLMN code and a permission to the MS to perform 'early classmark sending' procedure are broadcast. To be able to favour the LSA cells at cell reselection new LSA reselection parameters are broadcast.
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11.4.2 Cell selection and reselection.
The definition of a "suitable cell", as defined in GSM 03.22, is modified with the following criterion: A SoLSA exclusive access cell is "suitable" only if the LSA of the cell is one of the allowed LSA according to the SIM. Emergency calls are always allowed if no cells are found suitable. An MS with SIM indicating LSA subscription shall always try to reselect the cell with the highest LSA priority according to the information stored on the SIM. The LSA reselection parameters broadcast on the BCCH shall be used to calculate the reselection criteria. The broadcasting mechanism is as described in GSM 04.08 and GSM 04.60. The MS shall follow the reselection procedures defined in GSM 05.08. NOTE: The text above covers also the case when the MS is using GPRS together with SoLSA.
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11.4.3 Location Updating
If the escape PLMN is broadcast the BSS shall, at location updating, inform the MSC/VLR about the LSA ID(s) of the cell where the location updating request message was received and indicate that escape PLMN is broadcast. This is done by adding the LSA ID(s) of current cell to the complete layer 3 information message for the exclusive access cell.
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11.4.4 Routing Area Update
If the escape PLMN is broadcast the BSS shall, at routing area update, inform the SGSN about the LSA ID(s) of the cell where the routing area update request message was received and indicate that escape PLMN is broadcast. This is done by adding the LSA ID(s) of current cell to the UL UNITDATA message for the exclusive access cell. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 16 (GSM 03.73 version 7.2.0 Release 1998)
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11.5 Transfer of information from HLR to VLR
If the subscription contain LSA information then, when the subscriber registers on a VLR, the HLR shall send the LSA subscription data to that VLR, which is relevant in the VPLMN. This is done by adding the LSA information to the MAP_INSERT_SUBSCRIBER_DATA and for deletion in MAP_DELETE_SUBSCRIBER_DATA. When there is a change in the LSA information the HLR shall include at least the new and/or modified LSA data. When there is a change in the access right outside the LSA(s) the HLR shall include the LSA only access indicator.
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11.6 Transfer of information from HLR to SGSN
If the subscription contain LSA information then, when the subscriber registers on a SGSN, the HLR shall send the LSA subscription data to that SGSN, which is relevant in the VPLMN. This is done by adding the LSA information to the MAP_INSERT_SUBSCRIBER_DATA and for deletion in MAP_DELETE_SUBSCRIBER_DATA. When there is a change in the LSA information the HLR shall include at least the new and/or modified LSA data. When there is a change in the access right outside the LSA(s) the HLR shall include the LSA only access indicator.
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11.7 Functions related to active mode
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11.7.1 MS connection establishment
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11.7.1.1 Indication of list of LSAs to the MSC
At initial connection establishment the BSS shall inform the MSC about the LSA ID(s) of the cell where the initial layer 3 message was received. This is done by adding the LSA ID(s) of current cell to the complete layer 3 message.
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11.7.1.2 Indication of allowed LSA to the BSS
The MSC sends the LSA information message to the BSS including the A-interface LSA information of the connection as defined in GSM 08.08. The LSA information sent to the BSS indicates the allowed LSA for the MS connection, their priorities, indication of preferential access per LSA, indication of active mode support per LSA and indication, whether or not, subscriber has only access to his allowed LSAs. The BSS shall store the LSA information in order to use it on later actions, e.g. at handover. The LSA information for the MS connection shall be used in the BSS at assignment of radio resources in order to e.g. prioritise cells in the allowed LSA(s) with active mode support and to prevent allocating resources in cells outside the allowed LSAs for the MS connection.
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11.7.1.3 Indication of allowed LSA to the BSS
The SGSN may send the LSA information message to the BSS for a mobile station in ready mode as defined in GSM 08.18. The LSA information sent to the BSS indicates the allowed LSA for the MS connection. The BSS shall store the LSA information in order to use it on later actions, e.g. when determine specific cell selection parameters. The LSA information for the MS connection shall be used in the BSS to e.g. prioritise cells in the allowed LSA(s) with active mode support and to prevent allocating resources in cells outside the allowed LSA for the MS connection.
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11.7.1.4 Indication of current LSA to the MSC
The BSS shall inform the MSC about the current LSA at successful assignment. In order to derive the current LSA, the BSS has to have received allowed LSAs before assignment (see subclause 11.7.1.2). If the MSC does not receive current LSA from the BSS at successful assignment, the MSC shall interpret that there is no current LSA. In case there is no assignment procedure between the MSC and the BSS (e.g. for short message transfer), the current LSA may be selected by the MSC on the basis of the allowed LSA(s) and the list of LSA ID(s) of the serving cell received from the BSS (see subclause 11.7.1). ETSI ETSI TS 101 416 V7.2.0 (2000-01) 17 (GSM 03.73 version 7.2.0 Release 1998)
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11.7.2 Handover
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11.7.2.1 Indication of allowed LSA to the target BSS
In case of BSS external handover, the MSC shall send the LSA information to the target BSS when requesting handover resource allocation. This information includes the allowed LSAs, their priorities, indication of preferential access per LSA, indication of active mode support per LSA and indication, whether or not, subscriber has only access to his allowed LSAs. The target BSS shall store the LSA information in order to use it at handovers and at possible assignments. In case of basic inter MSC handover, the MSC-A shall send the LSA information to the MSC-B when requesting handover resource allocation. The MSC-B shall deliver the LSA information to the target BSS and also store it for possible later use. In case of BSS external handover (after an inter MSC handover), the MSC-B shall send the stored LSA information to the target BSS when requesting handover resource allocation. This is the case for BSS external handover within the MSC-B but also for subsequent inter MSC handover to MSC-B' or back to MSC-A.
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11.7.2.2 Indication of current LSA to the MSC
In case of BSS external handover, the target BSS informs the MSC about the LSA ID of the potential new current LSA. This is done by adding the LSA ID of the current/new LSA to the handover request acknowledge message. In case of BSS internal handover, the BSS shall keep the MSC informed of the current LSA. This is done by adding the LSA ID of the current/new LSA to the handover performed message or assignment complete message (if handover performed during assignment). In case of basic inter MSC handover, the MSC-B shall inform the MSC-A about the potential new current LSA if a radio resource is available for handover. In case of BSS internal or BSS external handover within MSC-B (after an inter MSC handover), the MSC-B shall keep the MSC-A informed of the current LSA. In case of subsequent inter-MSC handover to third MSC (MSC-B'), the MSC-B' shall inform the MSC-A about the potential new current LSA if a radio resource is available for handover. NOTE: At handover, the potential new current LSA will become current LSA in case of successful handover completion.
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11.7.2.3 Indication of current LSA to the SGSN
In case of cell change, the BSS may inform the SGSN about the LSA ID(s) of current cell. This is done by adding the LSA ID(s) of the current/new cell to the UL UNITDATA message.
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11.7.3 LSA active mode support
According to the LSA information received from the MSC (see subclause 11.7.1.2) or from the SGSN (see subclause 11.7.1.3), the BSS shall favour cells belonging to LSAs which have active mode support compared to other cells at resource allocation, network controlled cell reselection and handovers.
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11.7.4 LSA only access
If the subscriber is allowed to initiate/receive calls only in the allowed LSAs the BSS shall, if no current LSA can be selected, reject the assignment. Serving BSS shall not try to perform handover to cells that are outside of the allowed LSAs, if the subscriber only is allowed to access his allowed LSAs. Emergency calls shall be accepted even outside of allowed LSAs. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 18 (GSM 03.73 version 7.2.0 Release 1998)
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11.7.5 Exclusive Access
BSS shall try to allocate resources in exclusive access cells only if they are allowed for the subscriber. In the case no resources can be allocated in an allowed cell, the BSS shall reject the assignment request. Serving BSS shall not try to perform handover to exclusive access cells if they are not allowed for the subscriber. This is done so that exclusive access cells are not included into the handover required message. Emergency calls shall not be rejected because of exclusive access at assignment nor handover.
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11.7.6 Preferential Access
BSS shall favour subscribers who have preferential access to the LSA at resource allocation and in handovers compared to other subscribers.
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11.8 LSA indication procedures
Different indication procedures shall be applied in relation to the mode of the mobile station as presented in clause 4 and defined in the following sections.
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11.8.1 Indication for mobile stations in idle mode
In addition to indicate the registered PLMN, an MS with subscription for a LSA in the registered PLMN shall indicate this LSA when it is available. The indication towards the user is optional and may be done by displaying the stored LSA name that corresponds to the ID of the current LSA. An MS with LSA only access subscription may also give an indication towards the user, when the no subscribed LSAs are available to the user. The indication is optional and may be done by displaying the LSA only access text stored in the SIM.
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11.8.2 Indications for mobile stations in active mode
The network decides when to send a notification to the MS about a change of current LSA. The information will be sent from the MSC to the MS and will contain the LSA ID. This is done by adding the LSA ID of the current cell to the MM Information message. If no LSA ID is included in the MM Information message the MS shall assume that the current cell does not belong to any of the allowed LSAs for the subscriber. The indication towards the user is optional and can be heard as e.g. a beep in the receiver or by displaying the stored LSA name that corresponds to the received LSA ID.
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11.9 Overview of signalling
In this overview, the messages required to implement the specified concept are identified and brief details are given of each message. These signalling flows are not normative, but provided as an illustration on possible signalling interworking (note that only those parts of the procedures that are relevant for the LSA service are included). ETSI ETSI TS 101 416 V7.2.0 (2000-01) 19 (GSM 03.73 version 7.2.0 Release 1998) MS MSC VLR LOCATION_ UPDATING_ REQUEST MAP_UPDATE_ LOCATION_ AREA HLR BSS MAP_INSERT_ SUBSCRIBER_ DATA MAP_UPDATE_ LOCATION_ AREA COMPLETE_ LAYER3_ INFORMATION Figure 2: Signalling information required at location registration LOCATION_UPDATING_REQUEST: Standard message. COMPLETE_LAYER3_INFORMATION: If the escape PLMN is broadcast, the MSC is provided with location updating information together with the LSA ID(s) of current cell. MAP_UPDATE_LOCATION_AREA: Standard message. MAP_INSERT_SUBSCRIBER_DATA: The VLR is provided with the subscriber information including the allowed LSA ID(s), priority of each LSA, the preferential access indicator for each LSA, indication of active mode support per LSA and the LSA only access indicator of current PLMN. MS SGSN UPLINK_ UNITDATA HLR BSS MAP_INSERT_ SUBSCRIBER_ DATA MAP_UPDATE_ LOCATION_ AREA ROUTING_ AREA_UPDATE Figure 3: Signalling information required at routing area update ROUTING_AREA_UPDATE_REQUEST: Standard message. UPLINK_UNITDATA: If the escape PLMN is broadcast, the SGSN is provided with routing area update information together with the LSA ID(s) of current cell. MAP_UPDATE_LOCATION_AREA: Standard message. MAP_INSERT_SUBSCRIBER_DATA: The SGSN is provided with the subscriber information including the allowed LSA ID(s), priority of each LSA, indication of active mode support per LSA and the LSA only access indicator of current PLMN. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 20 (GSM 03.73 version 7.2.0 Release 1998) SM TL SMS-DELIVER SM TL SMS-DELIVER acknowledgement To SMSC From SMSC MAP-MT-FORWARD- SHORT-MESSAGE request MSC MS GMSC/ IWMSC LSA mgmt MT-SHORT- MESSAGE MAP-MT-FORWARD- SHORT-MESSAGE response Routing query to HLR Answer from HLR etc. Figure 4: Signalling information required at updating of the subscriber's LSA information by using SMS MT-SHORT-MESSAGE, MAP-MT-FORWARD-SHORT-MESSAGE request, SM TP SMS-DELIVER: Standard messages containing subscriber's LSA information and are parts of SIM data download. SM TP SMS-DELIVER acknowledgement, MAP-MT-FORWARD-SHORT-MESSAGE response: Standard messages containing result of the operation. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 21 (GSM 03.73 version 7.2.0 Release 1998) RACH(CHAN_REQ) MS BSS MSC/VLR IMMEDIATE_ASSIGNMENT SABM(SERV_REQ) COMPLETE_LAYER3_ INFORMATION UA (SERV_REQ) CM_SERVICE_ACCEPTED SETUP ASSIGNMENT_REQUEST ASSIGNMENT_COMMAND SABM UA ASSIGNMENT_COMPLETE A-ASSIGNMENT_COMPLETE CALL_PROCEEDING SYSTEM_INFO LSA_INFORMATION Figure 5: Signalling information required for mobile originating call establishment SYSTEM_INFO: The network provides the cell identity and/or LSA ID(s) of the cell, LSA cell reselection parameters and the exclusive access indication. Initial RACH CHANNEL_REQUEST: Standard message. IMMEDIATE_ASSIGNMENT: Standard message. SABM (SERV_REQ): Standard message. UA (SERV_REQ): Standard message. COMPLETE_LAYER3_INFORMATION: The MSC is provided with initial information about the requested service together with the LSA ID(s) of current cell. CM_SERVICE_ACCEPT: Standard message. The service request is acknowledged. Acknowledgement of the service can also be performed by invocation of ciphering mode setting. SETUP: Standard message. CALL_PROCEEDING: Standard message. LSA INFO: New message including the allowed LSA ID(s), priority of each LSA, the preferential access indicator for each LSA, indication of active mode support per LSA and an indication about the access rights outside these LSA(s) for the service subscriber. This message needs to be sent before Assignment request. Additional messages may be sent anytime during the lifetime of a call. ASSIGNMENT_REQUEST: Standard message. ASSIGNMENT_COMMAND: Standard message. SABM: Standard message. UA: Standard message. ASSIGNMENT_COMPLETE: Standard message. A_ASSIGNMENT_COMPLETE: Modified assignment complete including the LSA ID of current cell. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 22 (GSM 03.73 version 7.2.0 Release 1998) BSS-A MSC-A MSC-B HANDOVER REQUIRED MAP_PREPAR HANDOVER HANDOVER REQUEST BSS-B Figure 6: Signalling information required at BSS external handover initiation HANDOVER REQUIRED: Standard message. MAP_PREPARE_HANDOVER: Standard message. Including the modified handover request. HANDOVER_REQUEST: Modified handover request including the allowed LSA ID(s), priority of each LSA, the preferential access indicator of each LSA, indication of active mode support per LSA and an indication about the access rights outside these LSA(s). MSC-A MSC-B MAP_PROCESS_ ACCESS_SIGNAL. HANDOVER_ REQUEST_ ACKNOWLEDGE BSS-B Figure 7: Signalling information required at BSS external handover acknowledgement HANDOVER_REQUEST_ACKNOWLEDGE: Modified handover request acknowledge including the LSA ID of current cell. MAP_PROCESS_ACCESS_SIGNALLING request: Standard message. Including the modified handover request acknowledge. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 23 (GSM 03.73 version 7.2.0 Release 1998) MS BSS-B MSC-B HANDOVER PERFORMED MAP_PROCESS ACCESS_SIGNAL HANDOVER COMPLETE MSC-A Figure 8: Signalling information required at BSS internal handover HANDOVER_COMPLETE: Standard message. HANDOVER _PERFORMED: Modified handover performed including the LSA ID of current cell. MAP_PROCESS_ACCESS_SIGNALLING request: Standard message. Including the modified handover performed. BSS MS MSC MM_INFORMATION Figure 9: Signalling information required at notification of LSA change in active mode MM_INFORMATION: Modified MM-INFORMATION message including the LSA ID of current cell.
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12 Charging
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12.1 General principles
Using LSA as a location based charging can be realised. Different charging can be applied with respect to different LSAs, which shall also include the possibility to change charging when moving between LSAs with different tariffs associated. LSAs with higher priority may be associated with different tariffs.
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12.2 Toll ticketing
Appropriate information concerning the change of charging due to the LSA change shall also be included in the charging record (toll ticket). ETSI ETSI TS 101 416 V7.2.0 (2000-01) 24 (GSM 03.73 version 7.2.0 Release 1998) Annex A (informative): SoLSA interworking with CAMEL This Annex is informative. Regarding the SoLSA network architecture SMG12 has decided that: • the HLR solution is chosen for SoLSA • CAMEL phase 3 will be improved in the 99 release so that it fully utilises the SoLSA benefits. This annex collects the optional functional enhancements for CAMEL required to enable CAMEL interworking with SoLSA. These enhancements are expected to be included in CAMEL phase3 in Release 99. A.1 Subscriber information for Localised Service Area Subscriber specific information LSA information is stored and managed in the HLR. Application related LSA information is stored in appropriate service platform, e.g. in the CAMEL Service Environment. A.2 Network Architecture MAP Subscribers LSA Data (relevant in the VPLMN) Create and download LSA information BTS MS BCCH : - LSA cell reselection parameters - LSA id list (optional) - Cell id (optional) SIM ATK SIM data download (optional) LSA Subscription Information Subscribers LSA Data LSA data stored in SIM SGSN MSC VLR SSP HLR Active mode support Idle mode support and indication LSA definition LSA ID – cell id mapping Set exclusive access cells Set cell reselection parameters MAP Subscribers LSA Data (relevant in the SGSN) LSA ID(s) of current cell BSC LSA ID(s) of current cell Service Mgmt CSE LSA Subscription Information CAMEL based applications that use SoLSA CAP Subscribers LSA Data Figure A1: NW architecture including SoLSA related enhancements on CAMEL Service Environment ETSI ETSI TS 101 416 V7.2.0 (2000-01) 25 (GSM 03.73 version 7.2.0 Release 1998) A.3 Signalling Interworking RACH MS BSS MSC/VLR IIMM_ASS SABM (SERV_REQ) COM_L3_INFO UA (SERV_REQ) CM_SERV_ACC SETUP ASS_REQ ASS_CMD SABM UA Air_ASS_COM A-ASS_COM CALL PROCEEDING SYSTEM_INFO INITIAL DP CONTINUE/ CONNECT gsmSCF LSA_INFO Figure A2: Signalling interworking at Mobile Originating Call Establishment with applications on CAMEL Service Environment SYSTEM_INFO: The network provides the cell identity and/or LSA ID(s) of the cell, LSA cell reselection parameters and the exclusive access indication. Initial RACH CHAN_REQ: Standard message. IMM_ASS: Standard message. SABM (SERV_REQ): Standard message. UA (SERV_REQ): Standard message. COM_L3_INFO: The MSC is provided with initial information about the requested service together with the LSA ID(s) of current cell. CM_SERV_ACC: Standard message. The service request is acknowledged. Acknowledgement of the service can also be performed by invocation of ciphering mode setting. SETUP: Standard message. INITIALDP: Modified CAP message indicating that the CAMEL TDP has been met. Additionally the LSA ID(s) of the current cell are sent to the gsmSCF. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 26 (GSM 03.73 version 7.2.0 Release 1998) CONTINUE: Modified CAP message indicating that the call continues without modifications. CONNECT: Modified CAP message indicating that the gsmSCF has modified e.g. the destination number. CALL_PROCEEDING: Standard message. LSA INFO: New message including the LSA ID(s), priority of each LSA, the preferential access indicator of each LSA and an indication about the access rights outside these LSA(s) for the service subscriber. This message need to be sent before Assignment Request message. Additional messages may be sent at anytime during the lifetime of a call. ASS_REQ: Standard message. ASS_CMD: Standard message. SABM: Standard message. UA: Standard message. Air_ASS_COM: Standard message. A_ASS_COM: Modified assignment complete including the LSA ID of current cell. ETSI ETSI TS 101 416 V7.2.0 (2000-01) 27 (GSM 03.73 version 7.2.0 Release 1998) Annex B (informative): Change History Document history 0.1.0 27.4.1998 First draft after SMG12 0.2.0 5.6.1998 Changes agreed in SoLSA workshop 5.6.1999 0.3.0 16.6.1998 Changes agreed in SMG12 16.6.1998 0.4.0 6.8.1998 Comments on version 0.3.0 0.5.0 19.8.1998 Changes agreed to 0.4.0 in SMG12 10.8.1998 0.6.0 8.9.1998 Comments on version 0.4.0 and 0.5.0 1.0.0 7/10/98 Edited for presentation to SMG for information 1.1.0 18/1/99 Comments on version 1.0.0 2.0.0 22/1/99 Approved by SMG12 7.0.0 5/7/99 Raised in v.7.0.0 after SMG#28 (technical content identical to v.2.0.0) 7.1.0 12/7/99 CRs agreed at SMG#29 implemented 7.2.0 6/1/00 CRs agreed at SMG#30 implemented ETSI ETSI TS 101 416 V7.2.0 (2000-01) 28 (GSM 03.73 version 7.2.0 Release 1998) History Document history V7.1.0 August 1999 Publication V7.2.0 January 2000 Publication
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1 Scope
The present document, specifies a mechanism, which can be used as a platform for providing special tariffs and/or special set of service features for certain subscribers within a regionally restricted area or areas. The motivation for this concept is to create means for network operators to build new service and tariff packages, which take into account subscriber groups and their needs. The localised service area is both an optional network feature and an optional MS feature. Usage and implementation of the different SoLSA service features may vary according to operator's service packages. This feature is not intended to replace the existing method of cell selection, cell indication and handover. “Support of Localised service area (SoLSA)” is renamed Phase 2+ item “Support of Home Area Priority”.
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2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. • A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same number. • For this Release 1998 document, references to GSM documents are for Release 1998 versions (version 7.x.y).
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2.1 Normative references
[1] GSM 02.06: "Digital cellular telecommunications system (Phase 2+); Types of Mobile Stations (MS)". [2] GSM 02.07: "Digital cellular telecommunications system (Phase 2+); Mobile Stations (MS) features". [3] GSM 02.11: "Digital cellular telecommunications system (Phase 2+); Service accessibility ".
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2.2 Informative references
[4] GSM 10.43: "Digital cellular telecommunications system (Phase 2+); SoLSA, Work item status". [5] GSM 01.04: "Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms". ETSI ETSI TS 101 415 V7.3.0 (2000-07) 6 (GSM 02.43 version 7.3.0 Release 1998)
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3 Definitions and abbreviations
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3.1 Definitions
For the purposes of the present document, the following terms and definitions apply. Localised Service Area (LSA): A localised service area consists of a cell or a number of cells within a PLMN. Cells being part of different localised service areas may have overlapping coverage areas. The cells constituting a localised service area may not necessarily provide continuous coverage. A LSA of four cells. An overlapping cell not part of LSA Figure 1: Localised Service Area Subscribed to LSA: Set of LSAs, which the user has subscribed to. Valid LSA: A LSA ,whichthe user has subscribed to and his MS can receive service. Current LSA: The LSA where a MS is receiving service. LSA Priority: Priority of subscriber's LSAs. When the user has several valid LSAs, the current LSA shall be selected by prioritising LSAs in case of overlapping LSAs. LSA "A" LSA "B" LSA "C" LSAs A, B and C are Subscribed to LSAs LSAs A and B are Valid LSAs LSA A is Current LSA = Subscriber Figure 2: Localised Service Areas LSA only access: LSA user is allowed to access PLMN within his allowed LSAs. LSA user is not allowed to receive and/or originate a call outside LSA area. ETSI ETSI TS 101 415 V7.3.0 (2000-07) 7 (GSM 02.43 version 7.3.0 Release 1998) LSA only access users are not allowed to receive and /or originate calls. LSA only access cells. All subscribed services available to user. Figure 3: LSA only access Exclusive Access: Access to exclusive access cells is restricted to defined LSA subscribers. Public cell, allowed for all users including exclusive access users. Private cell, only allowed for users with exclusive access. Figure 4: Exclusive Access Preferential Access: LSA user shall have preferential access to resources of LSA cells, compared to non-LSA users. Public cell, capacity allowed on equal basis for all users. Reserved resources for Preferential Access users. Limited capacity available to all other users. Figure 5: Preferential Access
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3.2 Void
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3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply: LSA Localised Service Area ETSI ETSI TS 101 415 V7.3.0 (2000-07) 8 (GSM 02.43 version 7.3.0 Release 1998) Further GSM related abbreviations may be found in GSM 01.04.
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4 Description
The localised service area concept shall give the operator the basis to offer subscribers different services (e.g. tariffs or access rights) depending on the location of the subscriber.
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4.1 Defining subscriber information for localised service area
A subscriber can have up to 20 LSAs per PLMN. It shall be possible to assign localised service areas to subscribers. Subscriber may have service, which contains several LSAs potentially belonging to different PLMNs. There shall be means to allocate LSA priority to each subscriber independently by operator. Localised service areas for subscriber(s) may overlap, i.e. one cell may be part of several LSAs belonging to that subscriber. As an example, within a hierarchical cell structure, cells in different layers can constitute different localised service areas. A localised service area could be defined so that it is possible to establish flexible sized areas, which are applicable to - a very small localised service area ("home area" covering one or several cells dedicated e.g. to a residential subscriber or a company); or - a large area covering a part of the city (one or several location areas); or - a combination of these. Thus it is possible to use the various radio network configurations. The definition of location areas and the definition of localised service areas may be independent of each other.
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4.2 Service Features
Following service features are building blocks for SoLSA based services. It is up to the operator to decide which service features are required for a specific service. - Localised service area indication. - Localised service area support in idle mode (camping). - Localised service area support in active mode (handover). - LSA only access. - Exclusive access. - Preferential access.
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4.2.1 Localised service area indication
It shall be possible to assign a subscriber defined identifier by the operator to each LSA (alphanumeric text up to 10 characters), which can be provided to the user in idle and active mode. As a MS manufacturer option the user may assign an icon or another form of indication to each LSA. It shall be possible to indicate a change of localised service area during idle and active mode. The indication is a network option (activated/deactivated by the network). ETSI ETSI TS 101 415 V7.3.0 (2000-07) 9 (GSM 02.43 version 7.3.0 Release 1998)
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4.2.2 Localised service area support in idle mode (camping)
The PLMN shall determine, which cells, belonging to the LSA, are to be favoured by the MS when camping. When camping on a cell in idle mode, the subscriber's mobile station shall use the information provided by the PLMN in selecting cells belonging to his localised service area. The mobile station shall have the ability to reselect a cell in a different LSA with higher priority. This favouring shall not degrade the overall service quality. There should be no extra delay in cell selection procedure.
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4.2.3 Localised service area support in active mode (handover)
The PLMN shall determine, which cells, belonging to the LSA, are to be favoured during active mode. The cells belonging to users LSAs shall be favoured at call setup and when handovers are carried out. This favouring shall not degrade the overall service quality.
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4.2.4 Exclusive access
For a cell belonging to one or more service areas and where only one or more specific subscribers shall have allowed access, other subscriber’s mobile stations shall be prevented from using the cell to obtain any service, other than TS12 (Emergency Calls). NOTE: This does not prevent other subscriber's mobile stations from camping on the cell to perform Location Updating. Handovers into cells belonging to localised service areas where only specific subscribers shall have allowed access, shall be possible to be prevented for other subscribers, if required by a SoLSA application.
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4.2.5 LSA only access
With access allowed only within one or more localised service areas, it shall be possible to prevent receiving and/or originating basic services from non-LSA cells. SMS and Supplementary service operations are allowed in all areas. It shall be possible to prevent handovers to cells not belonging to allowed localised service areas, if required by a SoLSA application.
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4.2.6 Preferential access
It shall be possible to allocate resources at call setup and during the active mode to LSA users, if required by a SoLSA application. NOTE: An example of a requirement: the last traffic channel is not allocated to non-LSA user or in case of congestion an ongoing call of a non-LSA user is released and replaced with a call of a LSA user.
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5 Impact on other services
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5.1 General
SoLSA is not limited to specific services and there are no modifications necessary for existing services. In particular there shall be no impact to Emergency Call (TS12). LSA should be able to support all tele, bearer and supplementary services .There is no interaction to supplementary services except those specified below. ETSI ETSI TS 101 415 V7.3.0 (2000-07) 10 (GSM 02.43 version 7.3.0 Release 1998)
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5.2 Void
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5.3 GPRS
It shall be possible to apply SoLSA services independently to circuit switched services and to GPRS. LSA support in idle mode shall be specified for GPRS. The definition of routing areas and the definition of localised service areas shall be independent of each other.
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5.4 Call Forwarding
No interaction. NOTE: Operators should consider using tools such as ODB and CAMEL to control call forwarding functionality provided in conjunction with any SoLSA services.
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5.5 Completion of Calls to Busy Subscriber (CCBS)
LSA only access restrictions shall apply to CCBS recall.
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5 Exceptional procedures
None identified.
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6 Charging aspects
Based on the use of the feature "Support of Localised Service Area" it is possible to establish local tariff applications ("home zone applications"). ETSI ETSI TS 101 415 V7.3.0 (2000-07) 11 (GSM 02.43 version 7.3.0 Release 1998)
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7 Commercial Role Model for SoLSA
SoLSA shall support LSAs which, do not belong to the HPLMN. To enable this the following commercial role model shall be used: SoLSA operator 3 SoLSA operator 2 Home operator SoLSA operator 1 Subscriber Subscription SIM configuration SoLSA services Subscriber info Commercial agreement LSA Definition Figure 6: SoLSA commercial role model The actors of the SoLSA role model are defined below: - Home operator: The Home operator of a SoLSA subscriber is the owner of the SIM for this subscriber. As such, he is responsible for transferring the necessary SoLSA information to the subscriber SIM. He also holds the SoLSA subscriber information (e.g. in the HLR, CAMEL server, private network node). The Home operator has a commercial agreement with one or several SoLSA operators. A Home operator can be commercially the same entity as a SoLSA operator. - SoLSA operator: An operator is acting as a SoLSA operator for one SoLSA subscriber if he owns at least one Localised Service Area (LSA) for that subscriber. As such, when the user is attached to the SoLSA operator the SoLSA operator will provide the service for the SoLSA. One SoLSA operator can own a multiplicity of LSAs for a given SoLSA subscriber. A SoLSA operator has a commercial agreement with one or a multiplicity of Home operators (but maximum one per subscriber). A SoLSA operator can be commercially the same entity as the Home operator. - SoLSA subscriber: A SoLSA subscriber is a subscriber who has subscribed to one Home operator and at least one SoLSA operator (or said differently, who has an authorisation to receive services from at least one LSA). A SoLSA subscriber can have a subscription with a multiplicity of SoLSA operators. A subscriber has always a Home operator, but for example if he is allowed to have services only in LSAs, his Home operator and his SoLSA operator can be commercially the same entity. ETSI ETSI TS 101 415 V7.3.0 (2000-07) 12 (GSM 02.43 version 7.3.0 Release 1998) Annex A (informative): Change history Change history SMG No. TDoc. No. CR. No. Section affected New version Subject/Comments SMG#29 P-99-376 A001 4.2.4 7.1.0 The current definition of exclusive access causes a problem when drafting the Stage 3 description for the feature. It is impossible to prevent mobile stations from camping on GSM cells, even if it is only for a very limited period (e.g. to perform a Location Update), while still meeting the requirement that there shall be no impact on Emergency Calls. SA #05 A002 4.1 7.2.0 Maximum number of LSAs allowed for a subscriber SA #08 A003 4.2.5, 5.2 7.3.0 Clarification of requirements and editorial changes ETSI ETSI TS 101 415 V7.3.0 (2000-07) 13 (GSM 02.43 version 7.3.0 Release 1998) History Document history V7.1.0 August 1999 Publication V7.2.0 June 2000 Publication V7.3.0 July 2000 Publication
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1 Scope
The present document defines the stage one description of the Subscriber Identity Module Application Programming Interface (SIM API) internal to the SIM. Stage one is an overall service description, and does not deal with the implementation details of the API. The present document includes information applicable to network operators, service providers and terminal, SIM, switch and database manufacturers. The present document contains the core requirements which are sufficient to provide a complete service. It is highly desirable however, that technical solutions for a SIM API should be sufficiently flexible to allow for possible enhancements. Additional functionalities not documented in the present document may implement requirements which are considered outside the scope of the present document. This additional functionality may be on a network-wide basis, nation-wide basis or particular to a group of users. Such additional functionality shall not compromise conformance to the core requirements of the service.
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2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. • A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same number. • For this Release 1998 document, references to GSM documents are for Release 1998 versions (version 7.x.y). [1] GSM 01.04: "Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms". [2] GSM 11.11: "Digital cellular telecommunications system (Phase 2+); Specification of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface". [3] GSM 11.14: "Digital cellular telecommunication system (Phase 2+); Specification of the SIM Application Toolkit for the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface". [4] GSM 03.48: "Digital cellular telecommunications system (Phase 2+); Security Mechanisms for the SIM application toolkit; Stage 2". [5] ISO/IEC 7816-3:1997 "Identification cards - Integrated circuit(s) cards with contacts, Part 3: Electronic signals and transmission protocols". [6] ISO/IEC 7816-5:1994 "Identification cards - Integrated circuit(s) cards with contacts, Part 5: Numbering system and registration procedure for application identifiers". ETSI ETSI TS 101 413 V7.1.0 (1999-07) 7 (GSM 02.19 version 7.1.0 Release 1998)
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3 Definitions and abbreviations
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3.1 Definitions
For the purposes of the present document, the following terms and definitions apply. Applet: An Applet is an application built up using a number of modules which will run under the control of a virtual machine. Bytecode: Machine independent code generated by a bytecode compiler and executed by a bytecode interpreter. Data Structure: A collection of related data values such as the age, birth date and height of an individual. Framework: A framework defines a set of Application Programming Interface (API) functions and data structures for developing applications and for providing system services to those applications. Function: A callable and executable body of computer instructions which perform a specific computation or data processing task. GSM applet: The GSM application conforming to GSM 11.11. Module: A collection of functions and data structures which implement an entire application or a particular application feature or capability. SIM API Framework: Part of the SIM responsible for the handling of applications (including triggering and loading). It also contains the library for the proactive API. Toolkit applet: Applet loaded onto the SIM seen by the mobile as being part of the SIM Toolkit application and containing only the code necessary to run the application. These applets might be downloaded over the radio interface. Trusted Party: A trusted party can be described as an entity trusted by the card issuer with respect to security-related services and activities. Virtual Machine: The part of the Run-time environment responsible for interpreting the bytecode.
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3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply: AC Application Code AID Applet IDentifier APDU Application Protocol Data Unit API Application Programming Interface AVN Applet Version Number CA Certification Authority CAD Card Acceptance Device CHV1/2 Card Holder Verification information 1 and 2 EEPROM Electrically Erasable and Programmable Read Only Memory EPOS Electronic Point of Sale FFS For Further Study GPRS General Packet Radio Service IFD Interface Device IN Intelligent Network ME Mobile Equipment MExE Mobile Station Execution Environment MS Mobile Station RAM Random Access Memory ROM Read Only Memory RPC Remote Procedure Call SIM Subscriber Identity Module ETSI ETSI TS 101 413 V7.1.0 (1999-07) 8 (GSM 02.19 version 7.1.0 Release 1998) SE Sending Entity SMS-CB Short Message Service – Cell Broadcast SMS P-P Short Message Service, Point to Point TAR Toolkit Application Reference TLV Tag, Length, Value USSD Unstructured Supplementary Services Data WAP Wireless Application Protocol WTLS WAP Transport Layer Security Further GSM related abbreviations are given in GSM 01.04 [1].
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4 Description
This document describes the high level requirements for an API for the GSM SIM. This API shall allow application programmers easy access to the functions and data described in GSM 11.11 [2] and GSM 11.14 [3], such that SIM based services can be developed and loaded onto SIMs, quickly and, if necessarily, remotely, after the card has been issued. … … Card Issuer Operator Management link Communication link Applet1 AID1,TAR1 Applet2 TAR2 Trusted Party Appletn AIDn,TARn AIDx.↔ TARx Application provider 1 AID1 Application provider 2 Application provider n AIDn … Card Issuer Trusted Party SIM AIDx↔TARx ME Figure 1: Toolkit applet management and communication