ETSI TS 101 369-2002 Digital Cellular Telecommunications System (Phase 2+) Terminal Equipment to Mobile Station (TE-MS) Multiplexer Protocol (3PP TS 07 10 Version 7 2 0 Release 199_1.pdf

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1、ETSI TS 1 O1 369 V7.2.0 (2002-03) Technical Specificafion Digital cellular telecommunications system (Phase 2+); Terminal Equipment to Mobile Station (TE-MS) multiplexer protocol (3GPP TS 07.10 version 7.2.0 Release 1998) 3GPP TS 07.10 version 7.2.0 Release 1998 1 ETSI TS 101 369 V7.2.0 (2002-03) Re

2、ference RTS/TSGT-0207 1 OQ7R2 Keywords GSM ETSI 650 Route des Lucioles F-O6921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 O0 Fax: +33 4 93 65 47 16 Siret No 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-prfecture de Grasse (06) No 7803/88 Important notice In

3、dividual copies of the present document can be downloaded from: http:/w.etsi.orq The present 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 Docume

4、nt Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers 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 cu

5、rrent status of this and other ETSI documents is available at hp:l/partal.etsi.arltb/saslsaus.asp If you find errors in the present document, send your comment to: Cori vriaht Notifica tion No part may be reproduced except as authorized by written permission. The copyright and the foregoing restrict

6、ion extend to reproduction in all media. O European Telecommunications Standards Institute 2002. All rights reserved. DECTTM, PLUGTESTSTMand UMTSTMare Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and 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 3GPP TS 07.10 version 7.2.0 Release 1998 2 ETSI TS 101 369 V7.2.0 (2002-03) Intellectual Property Rights IPRs essential or potentially essential to the pre

8、sent 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 O00 3 14: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notijied to ETSI in

9、respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (5). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not

10、referenced in ETSI SR O00 3 14 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical s

11、pecifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under www.etsi.ornkey. ETSI 3GPP TS 07.10 vers

12、ion 7.2.0 Release 1998 3 ETSI TS 101 369 V7.2.0 (2002-03) Contents Intellectual Property Rights . .2 Foreword . 2 Foreword . 6 Introduction . .6 2 3 4 5 5.1 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 Scope 7 References . .7 Abbreviations .7 Overview of Multiplexing System .7 Non Error Recovery mode Options . .9

13、Service Interface Definition .9 5.1.5.1 5.1.5.2 5.1.6 5.1.7 5.1.8 5.1.8.1 5.1.8.1.1 5.1.8.1.2 5.1.8.1.3 5.1.8.1.4 5.1.8.2 5.1.8.2.1 5.1.8.2.2 5.1.8.2.3 5.2 5.2.1 5.2.1.1 5.2.1.2 5.2.1.3 5.2.1.4 5.2.1.5 5.2.1.6 5.2.2 5.2.3 5.2.4 5.2.5 5.2.6 5.2.6.1 5.2.7 5.2.7.1 5.2.7.2 5.2.7.3 5.2.7.4 5.3 5.3.1 5.3.

14、2 5.3.3 Service Definition Model . 9 Start up services . 10 DLC establishment services. . . 11 Data services . . 12 Power Control services . . 12 Sleep services. . . 12 Wakeup services . . 12 DLC Release services . . 12 Close down services 13 Control Services 13 07.10 Services . 13 DLC parameter neg

15、otiation . 13 DLC Service Negotiation service 14 Test service 14 14 15 15 15 Frame Structure . 16 Port Emulation Services. Frame Fields . . Control Field . Information Fiel Format Conventi . Frame Validity . Frame Abort . Inter-frame Fill . . 19 . 19 . 19 . .20 . .20 Flow-control transparency . . .2

16、0 Frame Struchue . .20 . 21 21 21 21 Set Asynchronous Balanced Mode (SABM) command . Unnumbered Acknowledgement (UA) response . Disconnected Mode (DM) response ETSI 3GPP TS 07.10 version 7.2.0 Release 1998 4 ETSI TS 101 369 V7.2.0 (2002-03) 5.3.4 5.3.5 5.3.6 5.4 Disconnect (DISC) command . 21 Unnumb

17、ered information with header check (UIH) command and response . 21 Unnumbered Information (UI) command and response . 21 Procedures and States . 22 5.4.1 5.4.2 5.4.3 5.4.3.1 5.4.3.2 5.4.4 5.4.4.1 5.4.4.2 5.4.5 5.4.6 5.4.6.1 5.4.6.2 5.4.6.3 5.4.6.3.1 5.4.6.3.2 5.4.6.3.3 5.4.6.3.4 5.4.6.3.5 5.4.6.3.6

18、5.4.6.3.7 5.4.6.3.8 5.4.6.3.9 5.4.6.3.10 5.4.6.3.11 5.4.7 5.4.8 5.4.8.1 5.4.8.2 5.5 5.5.1 5.5.2 5.5.3 5.5.4 5.6 5.7 5.7.1 5.7.2 5.7.3 5.7.4 5.7.5 5.7.6 5.8 5.8.1 5.8.2 DLC Establishment . 22 DLC Release . 22 Information Transfer . 22 Information Data . 22 Priority 23 Frame Variables 23 Functions of

19、the poll bit 23 Functions of the final bit 23 Time-out considerations 24 Multiplexer Control Channel 24 24 25 25 25 Power Saving Control (P 27 Multiplexer close down ( 27 Test Command (Tes 27 Flow Control On 27 Flow Control Off 28 Modem Status Command (MSC) 28 Non Supported Command Response (NSC) 30

20、 Remote Port Negotiation Command (RPN) 30 Remote Line Status Command(RLS) 33 Service Negotiation Command (SNC) 34 Power Control and Wake-up Mechanisms 36 Flow Control . 36 RTR Flow Control 36 XON/XOFF Flow Control 37 Convergence Layers . 38 Type 1 - Unstructured Octet Stream . 38 Type 2 - Unstructur

21、ed Octet Stream with flow control, break signal handling and transmission of V.24 signal states 38 Type 3 - Uninterruptible Framed Data 40 Type 4 - Interruptible Framed Data 40 DLCI Values 41 System Parameters . 41 Maximum Frame Size (Nl) 42 Maximum number of retransmissions (N2) 42 Window Size (k)

22、. 42 Response Timer for multiplexer control channel (T2) 42 Response Timer for wake-up procedure(T3) 42 Start-up and close-down of multiplexer . 42 Start-up procedure . 42 Close-down procedure 43 Acknowledgement Timer (Tl) . 41 6 Error Recovery Mode Option . 43 6.1 Frame Types . 43 6.1.1 Information

23、 transfer. I. command and response 43 6.1.2 Receive ready, RR. command and response . 43 6.1.3 Receive not ready. RNR. command and response 44 6.1.4 Reject. REJ. command and response 44 6.2 Procedure and State 44 6.2.1 Frame state variables and sequence numbers 44 General 44 6.2.1.1 6.2.1.2 Send sta

24、te variable V(S) 44 6.2.1.3 Send sequence number N(S) . 44 6.2.1.4 Receive state variable V(R) . 44 ETSI 3GPP TS 07.10 version 7.2.0 Release 1998 5 ETSI TS 101 369 V7.2.0 (2002-03) 6.2.1.5 6.2.1.6 6.2.2 6.2.2.1 6.2.2.2 6.2.2.3 6.2.2.4 6.2.2.5 6.2.2.5.1 6.2.2.5.2 6.2.2.5.3 6.2.2.5.4 6.2.2.5.5 6.2.2.5

25、.6 Receive sequence number N(R) 44 Use of the P/F bit to assist in error recovery . 45 Exchange of information (I) frames 45 Sending I frames . 45 Receiving I frames 45 Reception of incorrect frames . 46 Station receiving acknowledgements 46 Exception conditions and recovery . 46 Busy . 46 N(S) sequ

26、ence error . 46 PolVfinal (P/F) bit (checkpoint) recovery 47 REJ rec 47 SABM 47 DISC Command 47 Annex A (informative): Advice to TE software implementers . 48 Annex B (informative): Explanatory notes on the CRC Calculation 49 B.l Example 49 B.2 Reflected bits 49 B.3 Implementation . 50 B.3.1 Calcula

27、te FCS for the example given earlier 50 B.3.2 Check FCS for the example given earlier . 50 B.3.3 The transmitter code . 50 B.3.4 The receiver code . 50 B.3.5 Reversed CRC table . 51 Annex C (informative): Document Change History 52 History 53 ETSI 3GPP TS 07.10 version 7.2.0 Release 1998 6 ETSI TS 1

28、01 369 V7.2.0 (2002-03) Foreword This Technical Specification has been produced by the 3d Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG mod the contents of the pre

29、sent document, it will be re-released by the TSG with an identiSling change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under ch

30、ange control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. I n t rod uct ion The 07.10 multiplexer protocol operates between

31、 an MS and a TE and allows a number of simultaneous sessions over a normal serial asynchronous interface. Each session consists of a stream of bytes transferring various kinds of data; for instance, voice, fax, data, SMS, CBS, phonebook maintenance, battery status, GPRS, USSD etc. This permits, for

32、example, SMS and CBS to be transferred to a TE when a data connection is in progress. Many other combinations are possible including digital voice. It is, for instance, possible to transfer digital voice in combination with SMS. The multiplexer allows a complete system to be partitioned in a flexibl

33、e way between a MS and TE. The design of the multiplexer is flexible and independent of MS/TE platforms, and allows existing applications to work without any modifications. The multiplexer is designed, with special care for battery-powered devices, to include very important functionality such as pow

34、er saving control and priorities. It is also specially designed to require minimum processing power and memory consumption. The multiplexer is defined as a single mode with different options based on the IS0 HDLC standard (ISO/IEC 13239: 1997) although the basic option is not in accordance with HDLC

35、. In the basic option, the multiplexer does not make use of any transparency mechanism or error recovery method. The advanced option uses the IS0 HDLC standard transparency mechanism and gives the multiplexer an easy re- synchronisation method and the ability to operate over links which already use

36、DCl/DC3 (XON/XOFF) flow control. The advanced option also may include error-recovery for links subject to errors. In its basic option, the multiplexer is intended for use in situations where the link between MS and TE is of a very good quality and where the HDLC transparency mechanism (byte stuffing

37、) can not be implemented in the MS. If an MS supports the HDLC transparency mechanism, it shall be used by the multiplexer. The IS0 HDLC transparency mechanism must be used if loss of synchronisation may occur caused by, for example, data over-runs or under-runs. The error-recovery option should be

38、used in situations where the link is subject to errors. The multiplexer is based on a control channel. On this channel, management information is exchanged, such as parameter negotiation, power saving control information, testing, flow control, close down etc. The multiplexer is optional, but when s

39、upported, it is activated with the 07.07 AT+CMUX command. ETSI 3GPP TS 07.10 version 7.2.0 Release 1998 7 ETSI TS 101 369 V7.2.0 (2002-03) 1 Scope The scope of the present document is to define a multiplexing protocol between a mobile station and a terminal. The multiplexing protocol can be used to

40、send any data, for instance voice, SMS, USSD, fax etc. The present document describes the protocol, but not the commands or data transported with it. 2 Refe re nces The following documents contain provisions which, through reference in this text, constitute provisions of the present document. Refere

41、nces 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. In the case of a reference to a 3GPP document (including a GSM do

42、cument), a non-specific reference implicitly refers to the latest version of that document in the same Release as theyresent document. il GSM O 1.04: “Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms“. ISO/IEC 13239: 1997: “Information technology - Telecommunications

43、 and information exchange between systems - High-level data link control (HDLC) procedures“. 21 3 Abbreviations For the purposes of the present document, the following abbreviations apply: ABM ERM DLC FCS SABM UAU DM UIH u1 PSC MSC Asynchronous Balanced Mode Error-Recovery Mode Data Link Connection

44、Frame Check Sequence Set Asynchronous Balanced Mode Unumbered Acknowledgement Disconnected Mode Unnumbered Information with header Check Unnumbered Information Power Saving Control Modem Status Command Additional GSM related abbreviations can be found in GSM O 1 .O4 i. 4 Overview of Multiplexing Sys

45、tem The multiplexer provides mechanisms for conveying streams of data between TE and MS over a single start-stop framed, serial link. Figure 1 shows the arrangement of the various protocol levels and functions. The multiplexer layer provides multiplexing of data arranged in octet streams with no oth

46、er framing; if the structure of the data has to be conveyed, a convergence layer may be necessary. The present document defines some convergence layers, others may be added later. ETSI 3GPP TS 07.10 version 7.2.0 Release 1998 8 ETSI TS 101 369 V7.2.0 (2002-03) TE MS TE Processes (four shown) Converg

47、ence Layers (four shown) Multiplexer Layer P Physical Layer - serial link MS Processes (four shown) Convergence Layers (four shown) Multiplexer Layer Physical Layer - serial link Figure 1: Protocol Stacks The multiplexer provides a virtual connection between a process in the TE and a similar process

48、 in the MS. For example, a PC application supporting SMS functions could be connected to the SMS handler in the MS via a multiplexer channel. The present document uses start-stop transmission with eight-bit characters. Communication between the two multiplexing entities takes place using frames cons

49、tructed as defined below. Each channel between TE and MS is called a Data Link Connection (DLC) and is established separately and sequentially. Each DLC may have individual flow control procedures for buffer management purposes and the aggregate link also has overall flow control mechanisms. DLCs have two modes of operation; Error-Recovery Mode (ERM) and non-error-recovery mode (non-ERM), the choice of mode is made when a DLC is established. DLCs using error recovery mode may exist on the same link as DLCs using non-error recovery mode. If the error-recovery mode (ERM