1、 ANSI/TIA-136-341-2000 APPROVED: MARCH 31, 2000 REAFFIRMED: OCTOBER 20, 2004 REAFFIRMED: AUGUST 14, 2013 WITHDRAWN: JUNE 12, 2015 TIA-136-341 March 2000TDMA Third Generation Wireless- Packet Data Service- 136HS Outdoor Physical Layer NOTICE TIA Engineering Standards and Publications are designed to
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18、DING WITHOUT LIMITATION ANY AND ALL INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR THE LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN
19、IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA/EIA-136-341iContents1. Packet Data Traffic Channel Structure . 11.1 Slot Formats
20、 . 11.2 Frequency Correction Burst Definition 31.3 Frame Length . 31.4 Standard Offset. 31.5 Start and Stop of the Burst . 41.5.1 GMSK 41.5.2 8-PSK . 41.6 Gross Rate for the Packet Data Traffic Channel. 51.6.1 GMSK 51.6.2 8-PSK . 51.7 Guard Period (GP) 51.8 Extended Guard Period (EGP) . 51.9 Trainin
21、g Sequence Symbols (TSS). 61.9.1 GMSK 61.9.2 8-PSK . 61.10 Extended Training Sequence Symbols (ETSS) 71.10.1 GMSK 71.10.2 8-PSK . 71.11 Synchronization Sequence symbols (Sync) 81.11.1 GMSK 81.11.2 8-PSK . 81.12 Information Symbols (IS). 81.12.1 GMSK 81.12.2 8-PSK . 81.13 Tail Symbols (TS) 91.13.1 GM
22、SK 91.13.2 8-PSK . 91.14 Extended Tail Symbols (ETS) 91.14.1 GMSK 91.14.2 8-PSK . 91.15 Frame Number (FN). 91.16 Multiframe Structure 91.17 Superframe Structure 101.18 Hyperframe Structure . 102. Channel Encoding 112.1 Channel Encoding for GMSK Modulation.112.1.1 Channel Encoding for GCS-1.112.1.2 C
23、hannel Encoding for GCS-2.122.1.3 Channel Encoding for GCS-3.13TIA/EIA-136-341ii2.1.4 Channel Encoding for GCS-4 .152.2 Channel Encoding for 8-PSK Modulation 152.2.1 Channel Encoding for PCS-1 162.2.2 Channel Encoding for PCS-2 172.2.3 Channel Encoding for PCS-3 182.2.4 Channel Encoding for PCS-4 20
24、2.2.5 Channel Encoding for PCS-5 212.2.6 Channel Encoding for PCS-6 223. Interleaving. 243.1 Interleaving for GMSK Coding Schemes . 243.1.1 Bit Mapping to the Slot for GCS-1 . 263.1.2 Bit Mapping to the Slot for GCS-2 . 263.1.3 Bit Mapping to the Slot for GCS-3 . 263.1.4 Bit Mapping to the Slot for
25、GCS-4 . 273.2 Interleaving for 8-PSK Coding Schemes 273.2.1 Bit Mapping to the Slot for PCS-1273.2.2 Bit Mapping to the Slot for PCS-2283.2.3 Bit Mapping to the Slot for PCS-3283.2.4 Bit Mapping to the Slot for PCS-4283.2.5 Bit Mapping to the Slot for PCS-5293.2.6 Bit Mapping to the Slot for PCS-629
26、4. Modulation and Demodulation . 304.1 Modulation . 304.1.1 GMSK Modulation . 304.1.1.1 Symbol Mapping 304.1.1.2 Pulse Shaping . 304.1.1.3 Output phase. 314.1.1.4 Carrier Modulation . 314.1.2 8-PSK Modulation 324.1.2.1 Symbol Mapping 324.1.2.2 Symbol Rotation. 344.1.2.3 Pulse Shaping . 344.1.2.4 Car
27、rier Modulation . 354.2 Demodulation . 354.2.1 GMSK Modulation . 354.2.2 8-PSK Modulation 355. Delay Interval Requirements 366. Packet Data Control Channel . 377. Change History for TIA/EIA-136-341 38TIA/EIA-136-341iiiTablesTable 1 GMSK Training Sequence Symbols6Table 2 8-PSK Training Sequence Symbo
28、ls. 7Table 3 Coding Parameters for GCS-1 to GCS-4. 11Table 4 Coding Parameters for PCS-1 to PCS-6 16Table 5 Reordering and Partitioning of a coded GCS-n block into 8 sub-blocks . 25Table 6 8-PSK Symbol Phases . 33TIA/EIA-136-341ivFiguresFigure 1 136HS Outdoor Bearer Frame Format. 1Figure 2 Normal 13
29、6HS Outdoor Bearer Slot Format . 1Figure 3 Frequency Correction 136HS Outdoor Bearer Slot Format. 1Figure 4 Synchronization 136HS Outdoor Bearer Slot Format . 2Figure 5 Access 136HS Outdoor Bearer Slot Format 2Figure 6 Standard Offset 3Figure 7 GMSK Active and Useful parts of Normal Slot Format 4Fig
30、ure 8 8-PSK Active and Useful parts of Normal Slot Format. 5Figure 9 Packet Data Traffic Channel 26-Submultiframe Substructure. 10Figure 10 Packet Data Traffic Channel 52-Multiframe Structure 10Figure 11 8-PSK Encoder 32Figure 12 Symbol Mapping for 8-PSK 33TIA/EIA-136-34111. Packet Data Traffic Chan
31、nel Structure1The 136HS Outdoor Bearer Frame is made up of 8 time slots. Figure 1 depicts the frame2structure for the 136HS Outdoor bearer.3Figure 1 136HS Outdoor Bearer Frame Format4One Frame = (1250 Symbols) = (120/26) ms 4.615 msSlot 0 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7One SlotNote
32、1: 136HS Outdoor Bearer Frame contains a different number of bits depending5upon modulation. GMSK = 1250 bits; 8-PSK = 3750 bits.61.1 Slot Formats7Four slot formats are used for the 136HS Outdoor bearer, three full bursts and one short8burst.9Figure 2 Normal 136HS Outdoor Bearer Slot Format10(15/26
33、ms) 576.92 sec3 58 26 58 3 8.25TS IS TSS IS TS GPGMSK and 8-PSK Slot Format (All numbers indicate symbols)11Figure 3 Frequency Correction 136HS Outdoor Bearer Slot Format12(15/26 ms) 576.92 sec3 142 3 8.25TS Fixed Symbols TS GPGMSK Slot Format (All numbers indicate symbols)13TIA/EIA-136-3412Figure 4
34、 Synchronization 136HS Outdoor Bearer Slot Format1(15/26 ms) 576.92 sec3 39 64 39 3 8.25TS IS ETSS IS TS GPGMSK Slot Format (All numbers indicate symbols)2Figure 5 Access 136HS Outdoor Bearer Slot Format3(15/26 ms) 576.92 sec8 41 36 3 68.25ETS SYNC IS TS EGPGMSK Slot Format (All numbers indicate sym
35、bols)4For GMSK, the Bit Positions (BP) for the Slots are numbered sequentially from 0 to 1565where 0 is defined as the first bit period of the starting Tail symbols and 156 is defined as6the last 1/4 bit period of the Guard symbols. The bit with the lowest Bit Position is7transmitted first8For 8-PSK
36、, the Bit Positions (BP) for the Slots are numbered sequentially from 0 to 4689where 0 is defined as the first bit period of the starting Tail symbols and 468 is defined as10the last 3/4 bit period of the Guard symbols. The bit with the lowest Bit Position is11transmitted first12Interpretation of th
37、e above fields is as follows:13TS Tail Symbols (see Section 1.13)IS Information Symbols - User informationTSS Training Sequence Symbols (see Section 1.9)ETSS Extended Training Sequence Symbols (see Section 1.10)SYNC Synchronization Sequence Symbols (see Section 1.11)GP Guard Period (see Section 1.7)
38、EGP Extended Guard Period (see Section 1.8)ETS Extended Tail Symbols (see Section 1.14)Fixed Fixed Symbols (see Section 1.2)TIA/EIA-136-34131.2 Frequency Correction Burst Definition1The Frequency Correction Burst format is shown in Figure 3.2The Frequency Correction Burst contains:3TS: 3 Tail Symbol
39、s containing BP0, BP1, BP2 equal to (0,0,0).4Fixed: 142 Fixed Symbols containing BP3, BP4,BP144 equal to (0,0,0).5TS: 3 Tail Symbols containing BP145, BP146, BP147 equal to (0,0,0)6GP: 8.25 Symbol Guard Period as defined in Section 1.67This burst shall be equivalent to an unmodulated carrier with a
40、1625/24 kHz frequency8offset above the nominal carrier frequency.91.3 Frame Length10The mobile station shall derive timing for the transmit symbol and TDMA frame and slot11clocks from a common source which shall track the base station symbol rate as perceived12at the mobile station receiver. The fre
41、quency tracking shall be maintained over all13specified operating conditions.14The 136HS Outdoor bearer frame format is given in Figure 1. The frame length on each15136HS Outdoor 200 kHz RF channel shall be 120/26 milliseconds 4.615 milliseconds.16Each frame shall consist of eight equally sized time
42、 slots (0-7), exactly 156.25 symbols in17length. Each physical channel shall utilize one to eight time slots of the frame.181.4 Standard Offset19Figure 6 depicts the relationship between receive and transmit as specified for the mobile20station.21At the mobile station, the offset between the forward
43、 and reverse frame timing, with no22time advance applied, is 3 time slots (468.75 symbol periods). Time slot 0 of frame N in23the reverse direction occurs 468.75 symbol periods after time slot 0 of frame N in the24forward direction, with no time advance.25Figure 6 Standard Offset26Forward (Mobile re
44、ceive)01234567012Reverse (Mobile transmit)01234567TIA/EIA-136-34141.5 Start and Stop of the Burst11.5.1 GMSK2Before the first bit of the burst enters the modulator, the modulator shall have an internal3state as if a modulating bit stream consisting of consecutive ones (di = 1) had entered the4differ
45、ential encoder. After the last bit of the time slot, the modulator shall have an5internal state as if a modulating bit stream consisting of consecutive ones (di= 1) had6continued to enter the differential encoder. These bits are called dummy bits and define7the start and the stop of the active and t
46、he useful part of the burst as illustrated in8Figure 7. Nothing is specified about the actual phase of the modulator output signal9outside the useful part of the burst.10Figure 7 GMSK Active and Useful parts of Normal Slot Format11(15/26 ms) 576.92 secDummy bits111111Active Part - 148 symbolsDummy b
47、its111111.Useful Part - 147 symbolsActive Part - 148 symbolsUseful Part - 147 symbolsRB0 RB1 RB2XRB3 RB4 RB5XFigure 10 Packet Data Traffic Channel 52-Multiframe Structure2RB0-RB2XRB3-RB5XRB6-RB8XRB9-RB11XWhere: X = Idle Frame3RBn = Radio Block number n4RBn -RBm = Radio Blocks n through m51.17 Superf
48、rame Structure6The superframe structure is not specifically used for the Packet Data Traffic Channel.71.18 Hyperframe Structure8The Packet Data Traffic Channel hyperframe consists of the complete cycle of TDMA9frames (52 x 51 x 1024 = 2,715,648 frames)10TIA/EIA-136-341112. Channel Encoding1Ten codin
49、g schemes are used for the 136HS Outdoor Bearer, four for GMSK modulation2and six for 8-PSK modulation32.1 Channel Encoding for GMSK Modulation4The coding schemes are designated GCS-1 through GCS-4 for GMSK. The lowest5coding scheme numbers are the heaviest coded while the highest coding scheme number6is uncoded. The input to the channel coding and puncturing process shall be the Radio7Block. The output from the channel coding and puncturing of the Radio block shall be8456 bits. The coding parameters for schemes
