1、 TIA-707-A-4E April 2013Data Service Options for Spread Spectrum Systems: Radio Link Protocol Type 3 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability
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18、NG NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. C. S0017-010-0 v3.0 Revision History Revision Description Of Changes Date Rev 0 v3.0 Point release to support smart blanking March 2013 i C.S0
19、017-010-0 v3.0 CONTENTS 1 INTRODUCTION. 1-1 1.1 General Description . 1-1 1.2 Terms and Numeric Variables . 1-1 1.3 References . 1-3 2 GENERAL REQUIREMENTS . 2-1 2.1 Required Radio Configuration Support 2-1 2.2 Required Multiplex Option Support . 2-1 2.3 Interface to Multiplex Options 2-1 2.3.1 Prim
20、ary Traffic 2-1 2.3.2 Secondary Traffic 2-2 2.4 Traffic Channel Frame Priorities . 2-3 3 RLP PROCEDURES 3-1 3.1 RLP_BLOB Procedures . 3-1 3.1.1 Mobile Station RLP_BLOB Procedures . 3-1 3.1.2 Base Station Procedures . 3-2 3.2 Initialization Procedures . 3-2 3.3 SYNC Exchange Procedures 3-3 3.4 RLP Re
21、set Procedure 3-3 3.5 RLP Encryption Mode . 3-3 3.5.1 Extended Data Frame Sequence Numbering 3-4 3.5.2 RLP Data Encryption Negotiation 3-4 3.6 Data Transfer . 3-5 3.6.1 Transmitting RLP Frames . 3-5 3.6.1.1 Segmentation of Data Frames 3-7 3.6.1.2 Idle Timer Operation . 3-8 3.6.1.3 Encryption 3-8 3.6
22、.2 Receiving RLP Frames . 3-9 3.6.2.1 Data Frame Processing 3-10 3.6.2.1.1 Unsegmented Data Frame Processing . 3-11 3.6.2.1.2 Segmented Data Frame Processing . 3-12 3.6.2.2 Idle Frame Processing . 3-13 3.6.2.3 Fill Frame Processing 3-14 ii C. S0017-010-0 v3.0 3.6.2.4 NAK Control Frame Processing 3-1
23、4 3.6.2.5 NAK List Processing 3-14 3.6.2.6 Decryption 3-16 3.6.3 Frame Validity Checks 3-16 4 RLP FRAME FORMATS 4-1 4.1 Rate 1 RLP Frame Format A . 4-1 4.1.1 Format A for Primary Traffic 4-1 4.1.2 Format A for Secondary Traffic 4-2 4.2 Control Frames 4-3 4.2.1 SYNC, SYNC/ACK, and ACK Control Frames
24、. 4-3 4.2.2 NAK Control Frame . 4-4 4.3 Data Frames 4-7 4.3.1 Unsegmented Data Frames . 4-7 4.3.1.1 Unsegmented Data Frame Format . 4-7 4.3.1.2 Unsegmented Data Frame using Segmented Data Frame Format 4-8 4.3.2 Segmented Data Frames . 4-9 4.3.3 Rate 1 Data Frame Format B 4-10 4.3.3.1 Format B for Pr
25、imary Traffic 4-10 4.3.3.2 Format B for Secondary Traffic 4-11 4.3.4 Data Frame Format C . 4-12 4.3.5 Data Frame Format D . 4-12 4.4 Fill Frames 4-14 4.5 Idle Frames 4-14 4.5.1 Idle Frame Format 1 . 4-15 4.5.2 Idle Frame Format 2 . 4-15 4.6 RLP BLOB 4-16 iii C.S0017-010-0 v3.0 CONTENTS Figure 1 RLP
26、Transmit Sequence Number 3-6 1 Figure 2 RLP Segmentation 3-6 2 Figure 3 RLP Receive Sequence Number Variables 3-9 3 4 TABLES 5 Table 1 Primary Traffic RLP Frame Types Supplied by RLP to the Multiplex Sublayer for 6 multiplex options 0x1, 0x2, 0x3, 0x4, 0x809, 0x80a, 0x811, 0x812, 0x821, 0x822, 7 0x9
27、05, 0x906, 0x909, 0x90a, 0x911, 0x912, 0x921, 0x922 . 2-2 8 Table 2 Primary and Secondary Traffic RLP Frame Types Supplied by RLP to the 9 Multiplex Sublayer for multiplex options 0x704 and 0xf20 2-2 10 Table 3 Secondary Traffic RLP Frame Types Supplied by RLP to the Multiplex Sublayer 11 for multip
28、lex options 0x1, 0x2, 0x3, 0x4, 0x809, 0x80a, 0x811, 0x812, 0x821, 0x822, 12 0x905, 0x906, 0x909, 0x90a, 0x911, 0x912, 0x921, 0x922 . 2-3 13 Table 4 Fundicated RLP Frame Categories 2-5 14 Table 5 Multiplex Option Usage of RLP Frame Formats . 4-1 15 Table 6 Values of the Maximum Allowable Data Length
29、 (MAX_LEN) for Multiplex Options 16 0x1, 0x2, 0x3, and 0x4 4-8 17 18 iv C. S0017-010-0 v3.0 This page intentionally left blank. 1 v C. S0017-010-0 v3.0 1 INTRODUCTION 1 1.1 General Description 2 This document specifies procedures for Radio Link Protocol Type 3. Radio Link Protocol 3 Type 3 is used w
30、ith a cdma2000 Traffic Channel to support CDMA data services. For the 4 remainder of this chapter, Radio Link Protocol Type 3 shall be called RLP. 5 RLP provides an octet stream transport service over forward and reverse traffic channels. 6 RLP is unaware of higher layer framing; it operates on a fe
31、atureless octet stream, delivering 7 the octets in the order received. 8 RLP has procedures to substantially reduce the error rate exhibited by CDMA traffic 9 channels. There is no direct relationship between higher layer packets and the underlying 10 traffic channel frames; a large packet may span
32、multiple traffic channel frames, or a single 11 traffic channel frame may contain all or part of several small higher layer packets. 12 Section 2 is a general description of RLP that defines its use by any service option for which 13 it is suited. Section 3 defines the RLP procedures for encrypted o
33、r non-encrypted 14 applications. Section 4 defines the RLP frame formats. 15 Some features require capabilities first available in cdma2000 Release A (see 10). 16 cdma2000 systems supporting only 1 do not support the following: 17 Radio Configurations greater than 5. 18 Multiplex options 0x704 and 0
34、xf20. 19 Variable Length Frame Mode (VLF). 20 1.2 Terms and Numeric Variables 21 Base Station (BS). A fixed station used for communicating with mobile stations. 22 Depending upon the context the term Base Station may refer to a cell, a sector within a cell, 23 or other part of the wireless system. 2
35、4 Blank RLP Frame. An RLP frame received from or supplied to the multiplex sublayer that 25 contains no bits. 26 BS. See base station. 27 BS/MSC. The base station and mobile switching center considered as a single functional 28 entity. 29 Data Block. A unit of data transmitted by the mobile/base sta
36、tion that carries one or more 30 RLP frames. 31 Dedicated Control Channel. A portion of a Traffic Channel which includes a Forward 32 Dedicated Control Channel and a Reverse Dedicated Control Channel. 33 Forward Dedicated Control Channel. A portion of a Forward Traffic Channel. 34 Forward Fundamenta
37、l Channel. A portion of a Forward Traffic Channel. 35 1-1 C.S0017-010-0 v3.0 Forward Supplemental Channel. A portion of a Forward Traffic Channel which operates 1 in conjunction with a Forward Fundamental Channel or Forward Dedicated Control 2 Channel in that Forward Traffic Channel to provide highe
38、r data rate services. 3 Forward Traffic Channel. One or more Forward CDMA channels used to transport user 4 and signaling traffic from the base station to the mobile station. See Forward Fundamental 5 Channel, Forward Dedicated Control Channel, and Forward Supplemental Channel. Either 6 one Forward
39、Fundamental Channel or one Forward Dedicated Control Channel, and 7 optionally one Forward Supplemental Channel. 8 Fundamental Channel. A portion of a Traffic Channel which includes a Forward 9 Fundamental Channel and a Reverse Fundamental Channel. 10 Fundicated Data Block. A data block carried on a
40、 Fundamental Channel or a Dedicated 11 Control Channel. 12 Fundicated RLP Frame. An RLP frame carried in a fundicated data block. 13 L_SEQ. The 12-bit sequence number of the received frame. 14 L_V(N). The 12-bit sequence number of the next data frame needed for sequential delivery. 15 L_V(N)peer. An
41、 estimate of the peer RLPs L_V(N). 16 L_V(R). The 12-bit sequence number of the next expected new data frame. 17 L_V(S). The 12-bit sequence number of the next data frame to be supplied to the multiplex 18 sublayer. 19 MS. A station in the Public Cellular Radio Telecommunications Service intended to
42、 be used 20 while in motion or during halts at unspecified points. Mobile stations include portable 21 units (e.g., hand-held personal units) and units installed in vehicles. 22 MSC. Mobile Switching Center. 23 NAK_COUNTi. The number of NAKs to send in the ithNAK round. 24 NAK List. A list maintaine
43、d by RLP to track missing data frames and segments of data 25 frames. It is also used to map an 8-bit sequence number (SEQ) contained in a 26 retransmitted data frame to the 12-bit sequence number (L_SEQ) of the missing data frame. 27 NAK round. An interval that begins when RLP supplies the last of
44、one or more NAK control 28 frames for a missing data frame described by a NAK List entry and ends when the 29 REXMIT_TIMER expires for that NAK List entry. 30 Null RLP Frame. An RLP frame received from the multiplex sublayer that contains no 31 information bits, for which the multiplex sublayer dete
45、rmined that the transmitting RLP 32 had an opportunity to send data. 33 NUM_ROUNDS. The maximum number of NAK rounds transmitted by RLP. This equals 34 NAK_ROUNDS_REV at the mobile station and NAK_ROUNDS_FWD at the base station. 35 NUM_ROUNDSpeer. The maximum number of NAK rounds transmitted by the
46、peer RLP. 36 This equals NAK_ROUNDS_FWD at the mobile station and NAK_ROUNDS_REV at the base 37 station. 38 1-2 C. S0017-010-0 v3.0 Radio Configuration. A set of Forward Traffic Channel and Reverse Traffic Channel 1 transmission formats that are characterized by physical layer parameters such as 2 t
47、ransmission rates, modulation characteristics and spreading rate. See 3. 3 Reverse Dedicated Control Channel. A portion of a Reverse Traffic Channel. 4 Reverse Fundamental Channel. A portion of a Reverse Traffic Channel. 5 Reverse Supplemental Channel. A portion of a Reverse Traffic Channel which op
48、erates in 6 conjunction with a Reverse Fundamental Channel or Reverse Dedicated Control Channel in 7 that Reverse Traffic Channel to provide higher data rate services. 8 Reverse Traffic Channel. One or more reverse CDMA channels on which data and 9 signaling are transmitted from a mobile station to
49、a base station. See Reverse Dedicated 10 Control Channel, Reverse Fundamental Channel, and Reverse Supplemental Channel. 11 Either one Reverse Fundamental Channel or one Reverse Dedicated Control Channel, and 12 optionally one Reverse Supplemental Channel. 13 REXMIT_TIMER. A timer which counts down to the next NAK round. 14 RLP_DELAYs. An estimate of the round trip delay between peer RLPs. When SYNC 15 exchange is used, this is the number of 20 ms intervals between supplying the last SYNC or 16 SYNC/ACK control frame and receiving the first non-blank frame that is not an
