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    TIA-658-1996 Data Services Interworking Function Interface for Wideband Spread Spectrum Systems《宽带扩频系统的数据业务互通功能接口》.pdf

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    TIA-658-1996 Data Services Interworking Function Interface for Wideband Spread Spectrum Systems《宽带扩频系统的数据业务互通功能接口》.pdf

    1、 EIA TIA/IS-b58 96 - 3234600 0576086 510 H TIA/EIA INTERIM STANDARD I Data Services Interworking Function Interface for Wideband Spread Spectrum Systems I TIA/EIA/IS-658 JULY 1996 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunicnionr indwtr) in aocia11on mth the Ekctronic Indust

    2、ria Association INDUSTRY ASSOCATION Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EIA TIA/IS-b58 76 3234600 0.576087 457 NOTICE TIA/EIA Engineering Standards and Publications are desig

    3、ned to serve the public interest through elknhthg misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of su

    4、ch Standards and Publications shall not in any respect preclude any member or nonmember of TWEIA from manufacturing or selling products not conforming to such Standards and Publications, nor shail the existence of such Standards and Publications preclude their voluntary use by those other than TIA/E

    5、IA members, whether the standard is to be used either domestically or internationally. Standards and Publications are adopted by TIA/EIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIAEIA does not assume any liabiily to any patent owner, nor doe

    6、s it assume any obligation whatever to parties adopting the Standard or Publication. TIA/EIA INTERIM STANDARDS TIA/EIA Interim Standards contain information deemed to be of technical value to the industry, and are published at the request of the originating Committee without necessarily following th

    7、e rigorous public review and resolution of comments which is a procedural part of the development of a TIA/EIA Standard. TIA/EIA Interim Standars should be reviewed on an muai basis by the formulating Committee and a decision made on whether to proceed to develop a TIA/EIA Standard on this subject.

    8、TIAEIA Interim Standards must be cancelled by the Committee and removed from the TWEIA Standards Catalog before the end of their third year of existence. Publication of this TIAIEIA Interim Standard for trial use and comment has been approved by the Telecommunications Industry Association. Distribut

    9、ion of this TIA/EIA Interim Standard for comment shall not continue beyond 36 months from the date of publication. It is expected that following this 36 month period, this TIA/EIA Interim Standard, revised as necessary, will be submitted to the American National Standards Institute for approval as a

    10、n American National Standard. Suggestions for revision should be directed to: Eric Schimmel, Standards or that (in the negative form) a certain possibiiity or course of action is discouraged but not prohibited. May“ and “need not“ indicate a course of action permissible within the bits of the standa

    11、rd. “Can“ and “cannot“ are used for statements of possibiiity and capability, whether material, physical, or causal. Footnotes appear at various points in this specification to elaborate and further ciarify items discussed in the body of the specification. Unless indicated otherwise, this document p

    12、resents numbers in decimal form. Binary numbers are distinguished in the text by the use of single quotation marks. In some tables, binary values may appear without single quotation marks if table notation clearly specifies that values are binary. The character x is used to represent a binary bit of

    13、 unspecified value. For example xxx0010 represents any 8-bit binary value such that the least signifcant five bits equal 00010. Hexadecimal numbers (base 16) are distinguished in the text by use of the form Oxh. h where h.h represents a string of hexadecimal digits. For example, Ox2fa1 represents a

    14、number whose binary value is O0101 11 110100001 and whose decimal value is 12193. Note that the exact number of bits in the binary representation of a hexadecimal number strictiy depends on the implementation requirements for the variable being represented. 2. 3. Copyright Electronic Industries Alli

    15、ance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - - EIA TIA/IS-b5 76 W 3234600 0576070 T4L W 1 2 3 4 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 n 28 29 30 31 TIA/EIA/IS-658 ANSI/iEEE 802.2-1985 ANSI/IEEE 802.3

    16、-1990 ANSI J-STD-008 ANSI T1.602-1989 ANSI T1.607-1990 ANSI T1.617-1991 ANSI T1.61-1991 RFC 1661 RFC 1662 TIA/EIA/IS-95-A TIA/EIA/IS-99 TIA/EIA/IS-657 TSB58 TSB74 Page iii REFERENCES Logical unk Control. Carrier Sense Muliple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer

    17、 Specijkations. Personal Station-Base Station Comgatibility Requirements for 1.8 to 2.0 GHz code Division Multiple Access (CDMA) Personal Communications Systems. Integrated Services Digital Network (ISDM - Data-Link Layer Signalling Spedfiation for Application at the User-Network Interface. Integrat

    18、ed Services Digital Network (rSDN) - Layer 3 Spea$m.tion for Circuit-Switched Bearer Service for Digitai Subscriber Signding System Number 1 (DSSl). Integrated Services Digital Network (ISDM - Sigrmimg Spain for Rame Relay Bearer Service for Digital Subscriber Sisnalurg System Number 1 (DSSl). Integ

    19、rated Services Digital Network (ISDM - Core Aspects of Rame Protocol for Use with Rame Relay Bearer Service. Ihe Point-to-point pratocol (PPP). PPP in mLc I;t.aming. Mobile Station-Base Station Compatiby Standard for Dual- Mode Wideband Spread Spectrum CeUW System May 1995. Data Services Option Stan

    20、dard for Wideband Spread Spectrum Digital Cellular System, July 1995. Packet Data Services Option for Wideband Spread Specbum Cellular System Administration of Parameter Value Assignments for TIA/EIA Wideband Spread Spectrum Standards. Telecommunrc ations Systems Bdietix Support for 14.4 kbps Data R

    21、ate and PCS Interaction for Wideband Spread Specum Cellular Systems. Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 2 Page iv No text. EIA TIA/IS-658 96 323i.1600 0576093 988 TIA/EIA/

    22、IS-658 Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- EIA TIA/IS-b58 96 3234b00 0576092 814 TIA/EIA/IS-658 Page v CONTENTS i 1 INIRODUCTION 1-1 1.1 General Description . 1-1 2 3 1.2 Te

    23、rms 1-1 1.3 Overview of L interface . 1-2 1.4 Network Reference Points . 1-3 4 5 6 2 MOBILE DATA PATH . 2-1 7 2.1 Protocol Overview . 2-1 B 2.2 BS/MSC Relay Function 2-2 s IO 11 2.3 Adaptation Layer 2-2 2.4 Frame Relay Switched Virtual Circuit . 2-2 2.5 Physical Layer 2-3 12 3 PSTN PATH 3-1 13 3.1 O

    24、verview 3-1 14 3.2 Physical Layer 3-1 15 4 SIGNALING PATH 4-1 16 4.1 Overview 4-1 17 4.2 Signaling for the Mobile Data Path . 4-1 18 4.2.1 BS/MSC Initiated FR SVC Establlshment . 4-2 19 4.2.2 BS/MSC Initiated Dormant Link Layer Connection Closure 4-2 20 . 4.2.3 IWF Initiated FR SVC Establlshment 4-3

    25、 21 4.2.4 IWF Initiated Dormant Link Layer Connection Closure . 4-3 22 4.2.5 FR SVC Clearing 4-3 23 4.2.6 Optional interface Status Exchange 4-4 24 4.2.7 Initiakation . 4-4 25 4.2.8 Optional Packet Data Service Mobility Function . 4-4 26 4.2.9 Use of the User-User Information Element 4-4 27 4.2.10 P

    26、hysical Layer for Mobile Data Path Signaling 4-8 28 4.3 Signaling for the PSTN Path . 4-8 29 4.3.1 PSTN Connection Establishment for Mobile Originated Calls 4-9 r) 4.3.2 PSTN Connection Establishment for Mobile-Terminated Calls . 4-9 . 31 4.3.3 Connection Clearing . 4-9 32 4.3.4 Initialization . 4-9

    27、 33 4.3.5 Physical Layer for PSI“ Path Signaling 4-9 Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page vi 1 1.3-1 2 1.3-2 3 2.1-1 4 2.4-1 5 2.5-1 6 4.2.9-1 7 4.2.9-2 4.2.9-3 Q 4.2.9-4

    28、 IO 4.2.9-5 11 4.2.9-6 12 4.2.9-7 EIA TIA/IS-658 76 3234600 0576073 750 TIA/EIA/IS-658 FIGURES L Interface Reference Diagram for Packet-Mode Data 1-2 L Interface Reference Diagram for Circuit-Mode Data 1-2 Protocol Architecture 2-1 UI-kame Format 2.3 ANSI/IEEE 802.3 MAC Frame Format 2-4 SETup_INFO S

    29、egment Format 4-5 C“NEL-INF0 Segment Format . 4-6 REASON Segment Format . 4-6 ACCOUNTING Segment Format 4-6 INTEFWACE-STATUS Segment Format 4-7 ESCAPE Segment Format . 4-7 MOBILITY-INFO Segment Format . 4.8 Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for Resale

    30、No reproduction or networking permitted without license from IHS-,-,- - EIA TIA/IS-b5B 7b 3234b00 0576074 697 TIA/EIA/IS-658 Page 1-1 i 1INTRODUCTION 2 1.1 General Description 3 4 5 6 7 8 s lo This standard defines procedures on the L Interface for support of circuit-mode and packet- mode data trans

    31、mission on TIA/EiA/IS-95 and ANSI J-STD-O08 based wideband spread spectrum systems. This standard references many of the procedures defined in TiA/EIA/IS-99 in support of async and fax circuit-mode data services and in TIA/EiA/IS- 657 in support of packet-mode data semices. This standard specifies g

    32、eneric procedures unique to the L interface and does not describe all the internai element procedures needed to completely specify a data service. Service- specific documents wili include those additional procedures. 12 13 or more network connections. Bearer Channel. A physical layer channel that pr

    33、ovides bidirectional data transfer for one 14 15 16 17 ia entity. i9 DLCI. Data Link Connection Identifier. 20 21 FR. Frame Relay. ZL FR SVC. Frame Relay Switched Virtual Circuit. 23 24 25 26 n LAN. LocalAreaNetwork. BS. Base Station. A station used for communicating with mobile stations. Depending

    34、upon the context, the term base station may refer to a cell, a sector within a cell, or other part of the cellular system. BS/MSC. The base station and mobile switching center considered as a singie functionai DS1. A 1.544 Mbps synchronous channel on a T1 facility. IWF. interworking Function. An IWF

    35、 provides the functions needed for terminai equipment connected to a mobile termination to interface with other networks, such as the PSTN or the CDPD network. A physical implementation could include a pool of modems. SSDN. Integrated Services Digital Network. 28 LAPD. Link Access Procedure on the D

    36、-Channel. MAC. Medium Access Control. MS. Mobile Station. A station used for communicating with base stations, intended to be used while in motion or during halts at unspecified points. Mobile stations include portable units (e.g., hand-held personal units) and units installed in vehicles. 31 32 33

    37、MSC. Mobile Switching Center. 34 PPDN. Public Packet Data Network. 35 PPP. Point-to-Point Protocol. Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- EIA TIA/IS-658 96 W 3234600 0576095 5

    38、23 1 2 3 1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 P 23 24 25 28 27 28 Page 1-2 TIA/EIA/IS-658 PRL ISDN Primary Rate Interface. PSTN. Public Switched Telephone Network. RFC. Request for Comments. The generic name of a document developed by the internet Engineering Task Force 0. A document in t

    39、his series may be on essentially any topic related to computer communication. RLP. Radio Link mtoCo1. SAPI. Service Access Point Identffer. UI. Unnumbered information. A frame type defined in ANSI T1.602. 1.3 Overdew of L Interface This standard specifies generic procedures at the L reference point

    40、for circuit-mode and packet-mode data services. Figures 1.3-1 and 1.3-2 show three separate paths associated with the L interface: the Mobile Data Path, the Signahg Path, and the PSTN Path. The Mobile Data Path applies to both circuit-mode and packet-mode data services. and provides a mechanism to t

    41、ransport end-user data between the MS and the WF. The Signaling Path also applies to both circuit-mode and packet-mode services, and provides control procedures for both the Mobile Data Path and the PSTN Path, as needed. The PSTN Path only applies to circuit-mode data services, and provides a mechan

    42、ism for the IWF to access the PSTN via the BS/MSC to originate and terminate PSTN voice-band modem calls on behalf of mobile users. This standard does not describe the PPDN interface to the WF for packet-mode data services. Sections 2, 3, and 4 describe, respectively, the Mobile Data Path, the PSTN

    43、Path, and the Signahg Path. U U Figure 1.3-1. L Interface Reference Diagram for Packet-Mode Data Figure 1.3-2. L Interface Reference Diagram for Circuit-Mode Data Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted with

    44、out license from IHS-,-,- - EIA TIA/IS-658 96 323YbOO 0576096 46T TIA/EIA/IS-658 Page 1-3 1 2 3 1.4 Network Reference Points Some of the reference points pertaining to data services are: Reference Point Ai. A physical interface connecting a BS/MSC to the PSTN. Reference Point L. A physical Interface

    45、 connecting a BS/MSC to an IWF. Reference Point Pi. A physical interface connecting an WF to a PPDN. Reference Point Um. A physical interface connecting an MS to a BS/MSC. Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permi

    46、tted without license from IHS-,-,-Page 1-4 1 2 Not or To request that the WF open a Link Layer connection between an MS and the IWF for mobile originated or mobile terminated circuit-mode service. The BS/MSC initiates FR SVC clearing in the following cases (see 4.2.5): To inform the IWF of the deact

    47、ivation of a Link Layer connection between an MS and the IWF for packet-mode service: To request that the WF close a Link Layer connection between an MS and the IWF To request that the IWF close a Link Layer connection between an MS and the WF for mobile originated or mobile terminated circuit-mode

    48、service. The BS/MSC can also request that the IWF close a dormant Link Layer connection between an MS and the IWF for packet-mode service (see 4.2.2). The WF initiates FR SVC establishment in the following case (see 4.2.3): Copyright Electronic Industries Alliance Provided by IHS under license with

    49、EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- EIA TIA/IS-b58 96 3234600 0576305 2T2 1 2 3 4 5 6 7 8 Q 10 11 12 13 14 15 16 17 18 19 20 21 22 23 38 Page 4-2 TIA/EIA/IS-658 To request that the BS/MSC reactivate a Link Layer connection between an MS and the IWF for packet-mode service. The IWF initiates FR SVC c


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