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本文(ETSI GSM 04 12-1996 Digital Cellular Telecommunications System (Phase 2+) Short Message Service Cell Broadcast (SMSCB) Support on the Mobile Radio Interface (Version 5 0 0)《参见ETS 3.pdf)为本站会员(tireattitude366)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 GSM 04 12-1996 Digital Cellular Telecommunications System (Phase 2+) Short Message Service Cell Broadcast (SMSCB) Support on the Mobile Radio Interface (Version 5 0 0)《参见ETS 3.pdf

1、3400855 0128457 386 ETSI 1 ECHNICAL - SPECIFICATION GSM 04.12 July 1996 Version 5.0.0 Source: ETSI TC-SMG Reference: TS/SMG-O30412Q ICs: 33.060.50 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS Digital cell

2、ular telecommunications system (Phase 2+); Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface (GSM 04.12) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE ffice address: 650 Route des Luciole

3、s - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariatQetsi.fr Tel.: +33 92 94 42 O0 - Fax: +33 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction

4、extend to reproduction in all media. Q European Telecommunications Standards Institute 1996. All rights reserved. _ - ETSI GSM*04=12 7b 3400855 0128458 212 Page 2 GSM 04.12 Version 5.0.0: July 1996 Whilst every care has been taken in the preparation and publication of this document, errors in conten

5、t, “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. I typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to I _ ETSI GSN*04-12 96 3400855 Olt28957 157 = Page 3 GSM 04.12 Version 5.0.0: July 1996 Contents Foreword . 5 1

6、. Scope . 7 1.1 Normative references . 7 1.2 Definitions and abbreviations 7 2 General description 7 2.1 Scheduling Information . 8 3 Message Format on BTS-MS Interface . 8 3.1 General 8 3.2 Format convention . 9 3.2.1 Numbering convention . 9 3.2.2 Order of bit transmission . 9 3.3 Block content 9

7、3.3.1 Block Type . 10 3.4 SMSCB Message 10 3.5 Schedule Message 11 3.5.1 Header 11 3.5.2 New CBSMS Message Bitmap 12 3.5.3 New CBSMS Message Description 13 3.5.4 3.5.5 Message description encoding . 14 3.5.5.1 First transmission of an SMSCB within the Schedule Period 14 3.5.5.2 Retransmission indica

8、tion . 14 3.5.5.3 Free Message Slot, optional reading 15 3.5.5.4 Free Message Slot, reading advised 15 Other Message Descriptions . 13 3.5.5.5 Reserved Codepoints 15 Annex A (informative): Sample Implementation of SMSCB DRX Mode 16 History . 18 ETSI GSM*OY.32 96 3480855 0328460 970 = Page 4 GSM 04.1

9、 2 Version 5.0.0: July 1996 Blank page Page 5 GSM 04.1 2 Version 5.0.0: July 1996 ETSI GSM*04*12 9b m 3400855 01284bL 807 Foreword .This Global System for Mobile communications Technical Specification (GTS) has been produced by the Special Mobile Group (SMG) Technical Committee (TC) of the European

10、Telecommunications Standards Institute (ETSI). This GTS describes how the Short Message Service - Cell Broadcast (SMSCB) is supported over the mobile radio interface within the digital cellular telecommunications system (Phase ZPhase 2+). This GTS is a TC-SMG approved GSM technical specification ver

11、sion 5, which contains GSM Phase 2+ enhancements/features to the version 4 GSM technical specification. The ETS from which this Phase 2+ GTS has evolved is Phase 2 GSM ETS 300 560 Edition 3 (GSM 04.12 version 4.6.0). GTS are produced by TC-SMG to enable the GSM Phase 2+ specifications to become publ

12、icly available, prior to submission for the formal ETSI standards approval procedure to become European Telecommunications Standards (ETS). This ensures the earliest possible access to GSM Phase 2-t specifications for all Manufacturers, Network operators and implementors of the Global System for Mob

13、ile communications. The contents of this GTS are subject to continuing work within TC-SMG and may change following formal TC-SMG approval. Should TC-SMG modify the contents of this GTS it will then be republished by ETSI with an identifying change of release date and an increase in version number as

14、 follows: Version 5.x.y where: y the third digit is incremented when editorial only changes have been incorporated in the specification; x the second digit is incremented for all other types of changes, .e. technical enhancements, corrections, updates, etc. Reference is made within this TS to GSM-TS

15、s (note). NOTE: TC-SMG has produced documents which give the technical specifications for the implementation of the digital cellular telecommunications system. Historically, these documents have been identified as GSM Technical Specifications (GSM-TSs). These TSs may have subsequently become I-ETSs

16、(Phase l), or ETSs/ETSI Technical Reports (ETRs) (Phase 2). TC-SMG has also produced ETSI GSM TSs which give the technical specifications for the implementation of Phase 2+ enhancements of the digital cellular telecommunications system. These version 5.x.x GSM Technical Specifications may be referre

17、d to as GTSs. Page 6 GSM 04.12 Version 5.0.0: July 1996 Blank page Page 7 GSM 04.12 Version 5.0.0: July 1996 ETSI GSM*O4.12 96 3400855 0128463 b8T = 1 Scope This European Telecommunication Standard (ETS) describes how the Short Message Service - Cell Broadcast (SMSCB) (Teleservice 23 as specified in

18、 Technical Specification GSM 02.03) is supported over the mobile radio interface. 1.1 Normative references This ETS incorporates by dated and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are lis

19、ted hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this ETS only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. 31 41 GSM O1 .O4 (ETR 100): “Digital cel

20、lular telecommunications system (Phase 2); Abbreviations and acronyms“. GSM 02.03 (ETS 300 502): “Digital cellular telecommunications system (Phase 2); Teleservices supported by a GSM Public Land Mobile Network (PLMN)“. GSM 03.41 (ETS 300 537): “Digital cellular telecommunications system (Phase 2);

21、Technical realization of Short Message Service Cell Broadcast (SMSCB)“. GSM 04.04 (ETS 300 553): “Digital cellular telecommunications system (Phase 2); Layer 1 General requirements“. GSM 04.06 (ETS 300 555): “Digital cellular telecommunications system (Phase 2); Mobile Station - Base Station System

22、(MS - BSS) interface Data Link (DL) layer specification“. GSM 05.02 (ETS 300 574): “Digital cellular telecommunications system (Phase 2); Multiplexing and multiple access on the radio path“. 1.2 Definitions and abbreviations Abbreviations used in this specification are listed in GSM O1 .O4 2 General

23、 description SMSCB is a service in which short messages may be broadcast from a PLMN to MSs. SMSCB messages come from different sources (e.g. traffic reports, weather reports). The source and subject of the SMSCB message is identified by a message identifier in the SMSCB message header. A sequence n

24、umber in the SMSCB message header enables the MS to determine when a new message from a given source is available. SMSCB messages are not acknowledged by the MS. Reception of SMSCB messages by the MS is only possible in idle mode. The geographical area over which each SMSCB message is transmitted is

25、 selected by the PLMN operator, by agreement with the provider of the information. A SMSCB message is an end-to-end message that is formatted by/for the SMSCB application, and which is intended for customer viewing. Its format is described in detail in Technical Specification GSM 03.41. A CB message

26、 is any message sent on the basic or extended CBCH see TS GSM 05.021. It can be an occurrence of a SMSCB message, or a schedule message. ETSI GSfl*04-12 96 3400855 0128464 5Lb Page 8 GSM 04.12 Version 5.0.0: July 1996 The SMS Cell Broadcast service is designed to minimize the battery usage requireme

27、nts for a Mobile Station. A Mobile Station can read the first part of a CB message and then decide whether or not to read the rest of the message. In addition, the network may broadcast Schedule Messages, providing information in advance about the CB messages that will be sent immediately afterwards

28、. The Mobile Station may use this scheduling information to restrict reception to those messages the customer is interested in receiving. This SMSCB DRX feature is optional in the network and the Mobile Station. 2.1 Scheduling Information The network supporting the SMSCB DRX feature transmits Schedu

29、le Messages. A Schedule Message includes information about a number of immediately following consecutive CB messages, planned for that cell. The length of time covered by the CB messages referred to in a Schedule Message is called the Schedule Period of that message. For optimum DRX, a new Schedule

30、Message should follow the last message of a Schedule Period. When no information is known about a CB message, e.g., because no Schedule Message has been received referring to that CB message, a Mobile Station shall read (at least) the first part of the CB message. Schedule Messages shall be sent on

31、the basic and extended CBCH independently. The network may override the published schedule to transmit new highprioriity SMSCB messages. However, after any schedule deviation, the network shall resume the schedule, by transmitting the scheduled CB messages at the scheduled times listed in the Schedu

32、le Message. The Schedule Message contains a Message Description for each CB message to be broadcast during the scheduling period, in order of transmission. The position of a CB message is called the “message slot number“ of the CB message, and it indicates the position of the CB message within the s

33、chedule period. Each Message Description includes various information, including for SMSCB messages directly or indirectly all or part of their message identifier, and whether an occurrence is a repetition or not. Each Schedule Message includes a Begin Slot Number field and an End Slot Number field.

34、 The End Slot Number field indicates the length of the schedule period (.e., specifically the number of CB message slots about which information is provided). In the case where the network uses Schedule Messages to describe all message slots in advance, the first Schedule Message of the next schedul

35、e period will be transmitted in the message slot pointed by End Slot Number plus 1. The Begin Slot Number is defined to allow the network to broadcast several Schedule Messages referring to the same schedule period. The Begin Slot Number field indicates the message slot number of the CB message foll

36、owing the received Schedule Message. The networks may send unscheduled Schedule Messages during empty message slots. The network need only update the Begin Slot Number in an unscheduled Schedule Message to reflect the current offset within the Schedule Message of the next message to be transmitted.

37、3 Message Format on BTS-MS Interface 3.1 General A CB message consists of a 88 octets of information. The 88 octet block is segmented into four 22 octet blocks. A 1 octet Block type is added as a header to each 22 octet block. The overall blocks are thus 23 octets in length. The message blocks are s

38、ent on the channel allocated as CBCH by Technical Specification GSM 05.02. The timing of the messages is defined in Technical Specification GSM 05.02. If the network has no cell broadcast information to transmit, then it may choose to transmit a null message. Page 9 GSM 04.12 Version 5.0.0: July 199

39、6 ETSI GSfl*04-12 9b 3400855 0128465 452 Information 3.2 Format convention 2 23 3.2.1 Numbering convention The basic convention used in this technical specification is illustrated in figure 1. The bits are grouped into octets. The bits of an octet are shown horizontally and are numbered from 1 to 8.

40、 Muitiple octets are shown vertically and are numbered from 1 to 23. Bit: 8 7 6 5 4 3 2 1 Octet: 1 I 23 Figure VGSM 04.12: Format convention 3.2.2 Order of bit transmission The message blocks are sent on the CBCH as defined in Technical Specification GSM 05.02 using the coding defined for that chann

41、el. The order of bit transmission is defined in Technical Specification GSM 04.04. 3.3 Block content The 23 octet blocks are coded as follows: Bit: 8 7 6 5 4 3 2 1 I Octet: Block type I 1 Figure ZGSM 04.12: Block content ETSI GSl*OYml2 96 D 3400855 Ol284bb 399 W Page 10 GSM 04.12 Version 5.0.0: July

42、 1996 3.3.1 Block Type Spare LPD LB Sequence Number O O 1 The purpose of the Block Type is to identify the function of the block and message being sent. The block type is coded as shown in figure 3/GSM 04.12. 1 Figure 3/GSM 04.12: Block type content Bits 8 is spare and set to zero by the sender. In

43、order to allow compatibility with future modifications to this protocol, bits 8 shall be ignored by the receiver and messages shall not be rejected because it is set to one. The Link Protocol Discriminator (LPD) takes the value “O 1“. Other values of LPD indicate other protocols which are outside th

44、e scope of Technical Specification GSM 04.12, and shall cause the message to be ignored when the Cell Broadcast LPD is expected instead. NOTE: LPD = “O O“ corresponds to the data link protocol used by LAPDm (see Technical Specification GSM 04.06). In an SMSCB message the last block containing SMSCB

45、information is signalled by the Last Block (LB) bit. When the LB bit is set to “O“, the next block may contain SMSCB information. When the LB bit is set to Il“, the remaining block(s) do(es) not contain SMSCB information. Table l/GSM 04.12 Sequence number coding Bit No 4 3 2 1 O O O O O O O 1 O O 1

46、O O O 1 1 1 O O O 1 1 1 1 First block Second block Third block Fourth block First schedule block Message contains SMSCB scheduling information Null message (does not contain valid SMSCB information) all other values of bits 4 to 1 are reserved for future use. The use of a reserved code point shall c

47、ause the message to be ignored. 3.4 SMSCB Message The SMSCB message is a message with four consecutive blocks, with Block Types “first block, “second block, “third block“ and “fourth block“. A null message (which is indicated by the Sequence Number 11 11 (binary) shall have octets 2 to 23, inclusive

48、, filled with the value 28 (hex) The SMSCB message coding is defined in Technical Specification GSM 03.41. ETSI GSM*04-12 96 6 3400855 0328467 225 Begin Slot Number OTYPe o Page 11 1 GSM 04.12 Version 5.0.0: July 1996 spare O 3.5 Schedule Message spare End Slot Number O The text of the Schedule Mess

49、age provides information pertaining to the CB messages sent afterward. New CBSMS Message Bitmap New CBSMS Message Description A Schedule Message consists of 4 consecutive blocks with Block Types “first schedule block“, “second block“, “third block“ and “fourth block. 3-8 9 - 2m A Schedule Message containing scheduling data which does not fill the 88 octets shall be padded with the hexadecimal value “28“ after the end of the used part of the message: The Schedule Message comprises a 2-octet header followed by three parts, the first of them o

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