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    TIA TSB74-1995 Support for 14 4 kbps Data Rate and PCS Interaction for Wideband Spread Spectrum Cellular Systems《宽带扩频蜂窝系统的14 4 kbps数据速率和PCS交互作用的支持》.pdf

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    TIA TSB74-1995 Support for 14 4 kbps Data Rate and PCS Interaction for Wideband Spread Spectrum Cellular Systems《宽带扩频蜂窝系统的14 4 kbps数据速率和PCS交互作用的支持》.pdf

    1、EI*, TY74 95 3234600 0568l134 TBT m I TIMEIA TELECOMMUNICATIONS SYSTEMS BULLETIN Support for 14.4 kbps Data Rate and PCS Interaction for Wideband Spread TSB74 DECEMBER 1995 TELECOMMUNICATIONS INDUSTRY ASSOCIATION TEL ECOMMNla TIONS MMaE(LC-mhdUdI7 Liu.odatlairWtbrEbdroikIndurtrlaA8ulstim MIDUSTRY As

    2、socIATION EIA TSB74 95 m 3234600 0568335 NOTICE TIALEIA Engineering Standards and Publications are designed to serve the public interest through eiiminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchase

    3、r in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in any respect preclude any member or nonmember of TINEIA fiom manufacturing or selling products not conforming to such Standards and Publications, nor s

    4、hall the existence of such Standards and Publications preclude their voluntary use by those other than TIA/EIA members, whether the standard is to be used either domestically or internationally. Standards, Publications and Bulletins are adopted by TIAEIA in accordance with the American National Stan

    5、dards Institute (ANSI) patent policy. By such action, TIALEIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard, Publication or Bulletin. Technical Bulletins are distinguished fiom TIALEIA Standards or Interim Standards, in

    6、 that they contain a compilation of engineering data or information useful to the technical community, and represent approaches to good engheering practices that are suggested by the formulating committee. This Bulletin is not intended to preclude or discourage other approaches that similarly repres

    7、ent good engineering practice, or that may be acceptable to, or have been accepted by, appropriate bodies. Parties who wish to bring other approaches to the attention of the formulating committee to be considered for inclusion in future revisions of this Bulletin are encouraged to do so. It is the i

    8、ntention of the formulating committee to revise and update this Bulletin fiom time to time as may be occasioned by changes in technology, industry practice, or government regulations, or for other appropriate reasons. (From Project No. 3570, formdated under the cognizance of the TIA TR-45.5 Subcommi

    9、ttee on Wideband Spread Spectrum Digital Technology.) hblished by OTELECOMMUNICATIONS INDUSTRY ASSOCIATION 1995 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 PRICE: Please refer to the current Catalog of EM, JEDEC and TIA STANDARDS and ENGINEERING PUBLICATIONS Interna

    10、tional (303-397-7956) or call Global Engineering Documents, USA and Canada (1-800-854-7179) Ail rights reserved Printed in U.S.A. TSB74 INTRODUCTION This Telecommunications Systems Bulletin (TSB) applies to TIA/EIA/IS-95-A. It introduces support for the following new capabilities: 14.4 kbps Data Rat

    11、e - This provides physical layer, multiplex layer and signaling layer support for a new family of transmission rates, including 14.4 kbps, 7.2 kbps, 3.6 kbps and 1.8 kbps rates. Enhanced Service Negotiation - This provides the means for establishing a common service configuration for use by the mobi

    12、le station and base station. The service configuration can include multiple active service options and can makeuse of both primary and secondary traffic. Backward compatibility with service option negotiation, as specified in TIA/EiA/IS-95-A, is maintained. Enhanced Status Messaging - This provides

    13、the means for the base station to ascertain the detailed capabilities of the mobile station, such as supported band classes, operating modes, service options, multiplex options, and rate sets. Redirection and Handoff to PCS - This provides the means for redirecting and handing off the mobile station

    14、 to a digital wideband spread spectrum system operating within the 1.8 to 2.0 GHz frequency range, as specified by ANSI J-STD-008, and permits the mobile station to select a PCS system during the system selection process. MIN to IMSI Transition Support - This provides an improved means for making th

    15、e transition from MIN-based addressing to IMSI-based addressing. This TSB uses the same structure and section numbering as TiA/EiA/IS-95-A. Sections of this TSB that remain unchanged relative to IS-95-A are represented using ellipses contained within brackets (I.). Modifed sections are either reprod

    16、uced in their entirety or use the I. notation to represent unchanged portions. Within modified sections, change bars indicate the specific paragraphs, figures, or table cells that have changed. Within modified paragraphs and table cells. strike-throughs indicate deleted text and underlines indicate

    17、new text. O 1995 Telecommunications Industry Association. Ail rights reserved. Permission is granted for copying, reproducing, or duplicating this document only for the legitimate purposes of the TiA. No other copying, reproducing, duplication, or.distribution is permitted. 1 - EIA TSB74 95 3234600

    18、0568136 625 TSB74 This page left blank. ii EIA TSB74 e15 3234600 0568339 561 27 28 29 TSB74 1 n Compa tibilitu Reuu irernents for I .8 to 2.0 GHz Code Division Mulitple Access (CDMAI Personal Communications Sustem. 1995. 1 2 3 4 5 6 7 0 9 10 11 12 13 14 15 16 17 10 19 20 21 22 23 24 25 26 Page i PRE

    19、FACE I. SECTION SUMMARY I. NOTES I. REFERENCES The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. At the time of publication, the editions indicated were valid. Ail standards are subject to revision, and parties to agreements bas

    20、ed on this Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. ANSI and TIA maintain registers of currently valid national standards published by them. -American National Standards: 1. ANSI T1.607- 1990, Integrated Services Di

    21、gital Network (iSDN)-Layer 3 Signaling Speciiation for Circuit Switched Bearer Service for Dgital Subscriber Signaling System Number i (DSSI), July 1990. 2. ANSI X3.4- 1986, Coded Character Set - 7-bit American National Standard Code for Information Interchange, 1992. I EIA TSB74 95 3234600 0568340

    22、283 M 1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Page ii 7. 8. 9. 1 o. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. TSB74 CCIT Recommendation E.2 12, IdentiJcation Planfor Lund Mobile Stations, 1988. CCITT Recommendation F.69, The international Telex SemiceSemice and Operatio

    23、nal Proviswns of Telex Destination Codes and Telex Network identi3cations Codes. 1994. CCITT Recommendation G. 162, Characteristics of Compandors for Telephony. CCIT Recommendation X. 12 1. International Numbering Plan for Public Data Networks, 1992. IEEE Standard 66 1 - 1979, Method for Determining

    24、 Objective Loudness Ratings of Telephone Connections, 1979. interface Speciation for Common Cryptographic Algorithms, Rev A. Contact the Telecommunications Industry Association, Washington, D.C., December 14, 1994. TiA/EIA/IS-97, Recommended Minimum Performance Standards for Base Stations Supporting

    25、 Dual-Mode Wideband Spread Spectrum Cellular Mobile Stations, December 1994. TIA/EIA/IS-98. Recommended Minimum Performance Standards for Dual-Mode Wideband Spread Spectrum Cellular Mobile Stations, December 1994. TIA/ELA/IS-95-A, Appendix A, Message Encryption and Voice Privacy. An ITAR controlled

    26、document subject to restricted distribution. Contact the Telecommunications Industry Association, Washington, D.C., November 16, 1994. TSB16, Assignment of Access Overbad Classes in the Cellular Telecommunications Services, March 1985. TSB29-A. Intemationcd Implementation of CeUular Radiotelephone S

    27、ystems Compliant with ANSI/EIA/TA-553, September 1992. TSB39-A. Message Qpe Assignments for the Extended Protocol Facility of ANSI/EIA/TIA-553, EIA/TLA/IS-54, TLA/ElA/XS-88 and TLA/EIA/IS-95, October 1994. TSB50, User Interface for Authentication Key ktry, March 1993. TSB58, Administration of Parame

    28、ter Value Assignments for A/EIA Wideband Spread Spectnun Standards, TSB74 EIA TSB74 95 m 3234600 0568L4L LLT m Page iii CONTENTS i 1 GENERAL 1-1 2 1.1 Terms and Numeric Information . 1-1 3 1.1.1 Terms 1-1 1.1.2 Numeric Information 1-2 1.1.2.2 CDMA Numeric Information 1-2 4 5 6 2 REQUIREMENTS FOR MOB

    29、ILE STATION ANALOG OPERATION . Analog-1 3 REQUIREMENTS FOR BASE STATION ANALOG OPERATION Analog-1 4 REQUIREMENTS FOR MOBILE STATION ANALOG OPTIONS . Analog-1 5 REQUIREMENTS FOR BASE STATION ANALOG OPTIONS . Analog-1 6 REQUIREMENTS FOR MOBILE STATION CDMA OPERATION 6-1 7 9 IO 11 12 13 14 15 16 17 18

    30、19 20 21 22 23 24 25 26 27 28 6.1.3 Modulation Characteristics 6-1 6.1.3.1 Reverse CDMA Channel Signals 6-1 6.1.3.1.1 Modulation Parameters . 6-5 6.1.3.1.2 Data Rates 6-7 6.1.3.1.3 Convolutional Encoding 6-8 6.1.3.1.3.1 Rate 1/3 Convolutional Code 6-8 6.1.3.1.3.2 Rate 1 /2 Convolutional Code 6-9 6.1

    31、.3.1.4 Code Symbol Repetition 6-10 6.1.3.1.5 Block Interleaving 6-11 6.1.3.1.6 Orthogonal Modulation 6-16 6.1.3.1.7 Variable Data Rate Transmission 6-18 6.1.3.1.7.1 Rates and Gating 6-18 6.1.3.1.7.2 Data Burst Randomizing Algorithm 6-18 6.1.3.1.8 Direct Sequence Spreading . 6-22 6.1.3.1.9 Quadrature

    32、 Spreading 6-22 6.1.3.1.10 Baseband Filtering . 6-24 6.1.3.2 Access Channel 6-26 6.1.3.2.3 Access Channel Convolutional Encoding . 6-26 29 6.1.3.3.1 Reverse Traffic Channel Time Alignment and Modulation Rates 6-27 6.1.3.3.2.1 Reverse Traffic Channel Frame Quality Indicator 6-31 30 6.1.3.3.2 Reverse

    33、Traffic Channel Frame Stnicture 6-27 31 Page iv CONTENTS 1 6.1.3.3.2.2 Reverse Traffic Channel Encoder Tail Bits 6.35 2 6.1.3.3.2.3 Traffic Channel Preamble . 6.35 3 6.1.3.3.2.4 Reserved 6-35 4 6.1.3.3.3 Reverse Traffic Channel Convolutional Encoding . 6-35 5 6.1.3.3.4 Reverse Traffic Channel Code S

    34、ymbol Repetition . 6-35 6 6.1.3.3.5 Reverse Traffic Channel Interleaving 6-35 7 6.1.3.3.6 Reverse Traffic Channel Modulation 6-35 6.1.3.3.7 Reverse Traffic Channel Gating 6.35 6.1.3.3.8 Reverse TrafEc Channel Direct Sequence Spreading . 6.36 6.1.3.3.9 Reverse Traffic Channel Quadrature Spreading . 6

    35、-36 6.1.3.3.1 O Reverse Traffic Channel Baseband Filtering . 6-36 6.1.3.3.11 Multiplex Option 1 Information 6-36 6.1.3.3.1 1.1 primary and Signaling Trafk with Multiplex Option 1 . 6-37 6.1.3.3.11.2 Secondary Trafik with Multiplex Option 1 . 6-41 B 9 10 11 12 13 14 15 16 17 10 19 20 21 6.1.3.3.1 1.3

    36、 Use of Various Information Bit Formats for Multiplex Option 1 6-43 6.1.3.3.1 1.4 Control of Service Options for Multiplex Option 1 . 6-43 6.1.3.3.1 1.5 Null Traffic Channel Data 6-43 6.1.3.3.12 Multiplex Option 2 Information 6-44 6.1.3.3.12.1 Primary and Signaling Traffic with Multiplex Option 2 .

    37、6-46 6.1.3.3.12.2 Secondary Traffic with Multiplex Option 2 . 6-46 6.1.3.3.12.3 Use ofVarious Information Bit Formats for Multiplex Option 2 6-51 6.1.3.3.12.4 Control of Service Options for Multiplex Option 2 . 6-51 6.1.3.3.12.5 Null Traffic Channel Data 6-51 26 6.2 Receiver 6-52 27 6.2.1 Frequency

    38、Parameters 6-52 6.2.2 Demodulation Characteristics . 6-52 28 29 30 31 32 6.2.2.2 Forward Trafc Channel Frame Categorization for Multiplex Option 1 6-52 6.2.2.2.1 Forward Tr each Access Channel is identified by a distinct Access Channel long code sequence. Multiple Reverse CDMA Channels may be used b

    39、y a base station in a frequency division multiplexed manner. I 12 13 14 15 16 17 18 19 20 The Reverse CDMA Channel has the overall structure shown in Figure E. 1.3.1 3. Figures 6.1.3.1-2 through 6.1.3 .l-4, Data transmitted on the Reverse CDMA Channel is grouped into 20 ms frames. Au data transmitte

    40、d on the Reverse CDMA Channel is convolutionally encoded, block interleaved, modulated by the 64-ary orthogonal modulation, and direct- sequence spread prior to transmission. REVERSE CDMA CHANNEL I (1.23 MHz channel received I I bybasestation) I u uu U b-Addressed by Long Code PNs-5 Shtbla 21 Page 6

    41、-2 Access Channel Access Channel Access Channel associated with associated with associated with Paging Ch 1 Paging Ch 1 Paging Ch P EIA TSB74 95 3234600 0568162 944 Access Channel Traffic naffic associated with Chan Chan Paging Ch P 1 T TSB74 Addressed by Long Code PNs $4 Fimue 6.1.3.1-1. ExamDie of

    42、 Lodcal Reverse CDMA Channels Received at a Base Station EIA TSB74 95 3234b00 0568363 880 M I TSB74 Baseband Filter Page 6-3 Symbol symbol Add 8blt Convolutional per me Channel Add Frame InfomaUon Quailty Indlca- Blts tors (12. 8. O. kbps or O blts/frame) =- EnderTaIl Eneoder r = 1/3. K = 9 28.8 ksp

    43、S epeuon 28.8 kspy (172.80.40. or Repeated Repeated Mcdulauon Code Code Svmbol S-mbol Synihol Waish chipl Code , Svmbol w Orthogonal - S.mbol Block Add &hit Convalutional Access Channel Information (86 bls/frame, Blts 28 8 ksps Modulator 28 kspS interieaver Enrodcr Tail Encoder 441rbps per Frame - r

    44、 = 1/3 K = 9 - Repeution 4 8 ksps i307 2 kcps) Symbol Block nterleaver - I-channel Sequence i ,226.5 Mcps 4.8 kbps 14.4 ksps 1 /2 PN chip Baseband Filter Generator t Q-channel Sequence 1.2288 Mcps Long Code Mask Fimue 6.1.3.1-2. Reverse CDMA Channel Structure for the Access Channel 1-channel Sequenc

    45、e 1.2288 Mcps I Frame Data Rate Modulailon Modulator 1/2 PN chip Generator sin(2nfct) i Q-channel Sequence 1.2288 Mcps L0,g Code Mask Fimue 6.1.3.1-3. Re verse CDMA Channel Struct ure for Traffic Channels with Rate Set 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Repeated Repeated Code

    46、 Code Code symbol symbol Symbol Convulutional Symbol , Block _c Encoder Page 6-4 r = 1/2. K = 9 28.8 bpT epetltim 28.8 hp, EIA TSB74 95 3234600 0568364 737 TSB74 merleam Reverse aic Channel Add 8-bit Add Frame Add One Quaty Indlca- tors (12. 10. 8. 1267. 125. 55. 6,25 kbps or 6 bits/frame) Encoder T

    47、ail Information Erasure 7.2 kbps 3.6 kbps bits/framel kkps 1.8 kbps Frame Data Rate 4 1 Baseband Modulation Filter symbol Walshchipl Data Burst * -+ I-channel Sequence 1.2288 Mcps I 1 /2 PN chip Randomizer Orthogonal Moduktor T Q-channel Sequence 1.2288 Mcps Long Code Mask Fime 6.1.3.1-4. Reverse CD

    48、W Channel Structure for Traffic Channels with Rate Set 2 pualitv indicator and Encode r Tail Bits as shown i n Figures 6.1.3.1-2 through 6 .1.3.1-4, a data frames may be transmitted on the Reverse Trafk Channel at data rates of 9600. 4800, 2400, ad p 1200 bps for Ratg Set 1 or at rates of 14400. 720

    49、0. 3600. or 1800 bps for Rate Set 2. The Reverse Traffic Channel may use any cL&ese data rah&fsr -rate in its rate set The transmission duty cycle on the Reverse Traffic Channel varies with the transmission data rate. Specifically, the transmission duty cycle for 14400 and 9600 bps kames is 100 percent, the transmission duty cycle for 7200 and 4800 bps frames is 50 percent. the transmission duty cycle for 3600 and 2400 bps frames is 25 percent, and the transmission duty cycle for 1800 and 1200 bps frames is 12.5 percent as shown in -Tables 6.1.3.1.1-1 a


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