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本文(ETSI TR 101 448-2005 Terrestrial Trunked Radio (TETRA) Functional requirements for the TETRA ISI derived from Three-Country Pilot Scenarios《陆地集群无线电(TETRA) 对源于三个国家的试点方案的TETRA ISI的功能_1.pdf)为本站会员(explodesoak291)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ETSI TR 101 448-2005 Terrestrial Trunked Radio (TETRA) Functional requirements for the TETRA ISI derived from Three-Country Pilot Scenarios《陆地集群无线电(TETRA) 对源于三个国家的试点方案的TETRA ISI的功能_1.pdf

1、 ETSI TR 101 448 V1.1.1 (2005-05)Technical Report Terrestrial Trunked Radio (TETRA);Functional requirements for the TETRA ISI derived from Three-Country Pilot ScenariosETSI ETSI TR 101 448 V1.1.1 (2005-05) 2 Reference DTR/TETRA-01143 Keywords TETRA, user ETSI 650 Route des Lucioles F-06921 Sophia An

2、tipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The pre

3、sent document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printer

4、s of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/s

5、tatus/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restric

6、tion extend to reproduction in all media. European Telecommunications Standards Institute 2005. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks currently being registered by ETSI for th

7、e benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TR 101 448 V1.1.1 (2005-05) 3 Contents Intellectual Property Rights5 Foreword.5 Introduction 5 1 Scope 6 2 References 6 3 Definitions and abbreviation

8、s.6 3.1 Definitions6 3.2 Abbreviations .6 4 General connection requirements.7 4.1 ISI general topology .7 4.2 ISI bandwidth and points of connection.7 4.3 ISI security .7 4.4 ISI quantities 7 4.5 ISI configuration 8 4.6 ISI performance8 4.6.1 Call setup delay.8 4.6.2 Audio delay.8 4.6.3 Migration 8

9、5 Mobility management requirements.8 5.1 Configuration of subscriber ids permitted to migrate.8 5.1.1 Pre-provisioning subscriber profiles .9 5.1.2 Migration approval upon registration request.9 5.1.3 Detachment.10 5.1.4 Restricted migration10 5.1.5 Presentation of foreign users.10 5.1.6 Migration 1

10、0 5.1.6.1 Automatic migration .10 5.1.6.2 Manual migration11 5.1.6.3 Preferred solution11 5.2 Configuration of group ids .12 5.2.1 Pre-provisioning group profiles 12 5.2.2 Group attachment approval.12 5.2.3 Group detachment.13 6 Services across ISI .13 6.1 Possible mobile situations 13 6.2 Individua

11、l call, hook signalling 14 6.2.1 Individual call to a subscriber from the home SwMI (while migrated) 14 6.2.2 Individual call to a subscriber from the visited SwMI (while migrated) 15 6.2.3 Individual call to a subscriber from another SwMI (not a subscriber home nor current SwMI) (while migrated).16

12、 6.2.4 Individual call to a subscriber (not migrated) .17 6.3 Group call.18 6.3.1 Group call when located in group home SwMI 18 6.3.2 Group call when not located in group home SwMI 19 6.4 Emergency call.19 6.5 Telephone call 19 6.5.1 Outgoing calls.19 6.5.2 Incoming calls.20 6.6 Status 20 6.7 SDS 20

13、 6.8 Packet data20 6.9 Supplementary Services .21 ETSI ETSI TR 101 448 V1.1.1 (2005-05) 4 6.9.1 Calling line identification presentation.22 6.9.2 Talking party identification.22 6.9.3 Late entry22 6.9.4 Pre-emptive priority call .22 6.9.5 Barring of outgoing calls 22 6.9.6 Barring of incoming calls

14、.22 6.9.7 Individual DGNA .22 6.9.8 Enable/disable.22 6.9.9 Air-ground-air operation.22 7 Service importance.22 8 Security services.23 8.1 Authentication 23 8.2 Air Interface Encryption.23 8.3 End to end encryption.23 History 24 ETSI ETSI TR 101 448 V1.1.1 (2005-05) 5 Intellectual Property Rights IP

15、Rs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or p

16、otentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carri

17、ed out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI Project Terrestr

18、ial Trunked Radio (TETRA). Introduction The present document is a minimally edited copy of a report of the Three-Country pilot project team (The Three-Country pilot is the operational Public Safety pilot in Belgium, Germany and the Netherlands which has been performed in 2003). The text of the prese

19、nt document captures the experiences made during the preparation and execution of the real life cross-border scenarios by translating them into functional requirements for the TETRA Inter System Interface. It should be noted that the present document represents the view of the participating countrie

20、s of the Three-Country pilot on Inter System Interface functionality. ETSI ETSI TR 101 448 V1.1.1 (2005-05) 6 1 Scope The present document describes an example of the ISI requirements that are needed to connect public safety systems together. The example describes the result of the pilot between the

21、 Netherlands, Belgium and Germany. NOTE: At the moment of writing Germany has not made a decision about their digital radio network. The requirements cover the following functionality: Requirements for SwMI and mobile configuration prior to user migration across ISI. Characteristics of services avai

22、lable to migrating users. Characteristics of services available when calling users or groups in international cooperation. The present document does not describe the technical solution to the ISI. The focus of the present document is a solution where a fixed network topology as described in clause 6

23、 is implemented. Future enhancements, although possible, are not described here. 2 References For the purposes of this Technical Report (TR), the following references apply: 1 TETRA MoU: “Functional requirements for the TETRA ISI Derived from Three-Country Pilot Scenarios“. 3 Definitions and abbrevi

24、ations 3.1 Definitions For the purposes of the present document, the following term and definition applies: Three-Country Pilot scenario: operational scenarios derived from international interoperability discussions between Belgium, Netherlands and Germany 3.2 Abbreviations For the purposes of the p

25、resent document, the following abbreviations apply: CCK Common Cipher Key DCK Derived Cipher Key DGNA Dynamic Group Number Assignment GCK Group Cipher Key IPI IP InterworkingISDN Integrated Services Digital Network ISI Inter-System Interface ISSI Individual Short Subscriber Identity KS Session Key (

26、also KS“ as alternative session key) MS Mobile Station MoU Memorandum of Understanding OTAR Over The Air Rekeying RS Random Seed SCK Static Cipher Key SDS Short Data Service SFPG Security and Fraud Prevention Group ETSI ETSI TR 101 448 V1.1.1 (2005-05) 7 SwMI Switching and Management Infrastructure

27、TETRA TErrestrial Trunked RAdio TL Transport LayerTPI Talking Party Identity 4 General connection requirements 4.1 ISI general topology The ISI between Public safety networks in Europe could potentially use a number of connection topologies: 1) Mesh of permanently leased lines. 2) Transit switched n

28、etwork, such as Private ISDN Network. 3) Packet switched intervening network, such as an Intranet. 4) Mesh of connections to other SwMIs, where other SwMIs perform transit-switching functions. The second and third option require an intervening network, where the ownership, responsibilities and secur

29、ity details are not clear at this time. These options will therefore be discounted in this stage. The fourth option, transit switching, is considered insecure, and will also be discounted. Therefore the adopted option for connecting the networks of the Netherlands, Belgium and Germany will be the fi

30、rst, i.e. a leased line direct connection to each other SwMI where there is an ISI required. 4.2 ISI bandwidth and points of connection An ISI connection between two networks could consist of one or more sets of connections. A single connection to another SwMI is the simplest possible solution. Two

31、or more geographically separate connections between pairs of SwMIs could allow resilience, and could also reduce traffic backhauling requirements in some circumstances. However it would introduce additional complexity, especially when visitors roam in the visited SwMI between points of connection of

32、 ISI. Therefore the connection between two SwMIs will be a single connection from a single interface point on one SwMI to a single interface point on the other SwMI. The bandwidth of the connection will depend on the expected traffic load. The current circuit switched ISI limits one traffic connecti

33、on to 64 kbps; i.e. each inter system call requires a 64 kbps connection. The current assumption is that one E1 connection per connected network will be needed. It should be possible to increase the capacity of the connection. One E1 will support 30 simultaneous calls. 4.3 ISI security It is necessa

34、ry to provide both authenticity and confidentiality on the ISI. This will ensure that the other SwMI cannot be impersonated. It will also ensure that the link, which by its nature will be crossing an international border, and may be carried by a non-specific medium, cannot be intercepted. The work t

35、o provide TETRA specific ISI security including SwMI authentication was not completed. The protection of the link will take place by the use of bulk encryption devices at both ends. The specification of these devices is outside the scope of the present document. 4.4 ISI quantities As an initial assu

36、mption, it will be assumed that a maximum 5 separate ISI connections will be required per SwMI. A full mesh will be used to connect SwMIs. When more than 5 SwMIs are to be interconnected, a different topology will be considered. ETSI ETSI TR 101 448 V1.1.1 (2005-05) 8 4.5 ISI configuration It will b

37、e necessary to configure each ISI connection independently, with details of the connected system, for example TETRA Mobile Network Code etc. 4.6 ISI performance 4.6.1 Call setup delay Call setup delay is defined as the delay experienced by the transmitting party between pressing PTT and getting an a

38、udio indication for permission to talk. For multi-SwMI group calls the call setup delay should be less than 1,0 seconds for: calls started in the group home SwMI calls started in a participating SwMI. Conditions for measurement: Permission to talk should only be signalled if resources are checked to

39、 be available on all involved basestations in all participating SwMIs. The specified value is defined only for situations where there is good RF coverage and no queuing for ISI or basestation resources takes place. Mobiles to be used for the measurement are from the same manufacturer as the local in

40、frastructure. 3 sites involved per infrastructure. 95 % of the setups should be within the specified time. The evaluation of call-setup delay will be done by checking the time-difference between U-setup and D-connect-Ack in the basestation log (Measured value to be extended by 0,2 sec to represent t

41、he call setup delay experienced by the transmitting party). 4.6.2 Audio delay The end-to-end audio delay experienced by the users for calls without end-to-end encryption over the ISI should not be higher than 0,7 seconds. A measurement method is to be agreed. 4.6.3 Migration The initial migration re

42、gistration procedure (including authentication) to a foreign network should not take more than 1,0 seconds longer than the first registration (including authentication) on the home network of a radio. The evaluation of the migration registration performance will be done by checking the time-differen

43、ce between U-location-update-demand and D-location- update-accept in the basestation log. 5 Mobility management requirements 5.1 Configuration of subscriber ids permitted to migrate It is not considered safe for any subscriber claiming to originate from a connected SwMI to be allowed to migrate in w

44、ithout specific authorization. ETSI ETSI TR 101 448 V1.1.1 (2005-05) 9 It is not considered feasible to individually pre-provision each and every subscriber in each SwMI that a user may migrate to. This would create logistical problems, as it would be difficult to maintain an accurate database of al

45、l potential users from another system. Therefore the visited network first checks if the visiting user fulfils basic migration requirements. The purpose of this check is to be able to refuse unwanted foreign users to avoid unnecessary signalling over ISI. After this first, local check the home netwo

46、rk of the subscriber is considered the main responsible party for providing up-to-date authorization for migration. This authorization is checked during authentication. For the first, local check blocks of permitted subscribers should be provisioned in each SwMI for every connected SwMI. Whereas the

47、 functionality available to each subscriber whilst migrating will be defined in profiles, at the time of migration, the home SwMI should always be checked to ensure that the subscriber is permitted to migrate, and the subscriber should be authenticated based on security parameters obtained from the

48、home system over the ISI. NOTE: A MS will only be allowed to migrate to a SwMI that is directly connected to its home SwMI. 5.1.1 Pre-provisioning subscriber profiles Local pre-defined migration profiles will be defined in connected SwMIs and migration profile exchange for subscribers over ISI is no

49、t supported. A pre-defined migration profile is supported in all connected SwMIs. Any migration request using a different pre-defined migration profile number will be rejected. This provisioning within a SwMI will include the following functionality: Service/Feature availability for foreign subscribers. This should include: - Group call. - Individual call. - Telephone call. - Status. - SDS. - Packet data. The ISI Mobility Management standard does not define the contents of pre-defined migration profiles, therefore as a minimum the pre-defined migration

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