WIRELESS TECHNOLOGYProtocols, Standards, and Techniques pdf phần 6 pot

... 26. 67 16 QPSK 76. 8 1024 13.33 8 QPSK 102.4 1024 10.00 6 QPSK 153 .6 1024 6. 67 4 QPSK 204.8 1024 5.00 3 QPSK 307.2 1024 3.33 2 QPSK 61 4.4 1024 1 .67 1 QPSK 921 .6 3072 3.33 2 QPSK 1228.8 2048 1 .67 ... (kbit/s) 12 0 1.2, 2.4 4.8, 9 .6 1.8, 3 .6 7.2, 14.4 3 4 1 19.2 28.8 5 6 2 28.8 43.2 7 8 3 38.4 57 .6 9 10 4 48.0 72.0 11 12 5 57 .6 86. 4 13 14 6 67.2 100.8 15 16 7 76. 8 1...

Ngày tải lên: 14/08/2014, 06:22

... The random multiple-access techniques, withtheir flexible resource assignment,efficiently support bursty traffic and perform adequately in low-traffic conditions with low average data rate and potentially ... 25, 2002 9:27: 36 AM Color profile: Disabled Composite Default screen P1: FDJ book CRC -Wireless November 16, 2001 13:42 Char Count= 294 channel, the latter used for transmitting data...

Ngày tải lên: 14/08/2014, 06:22

... slot, and slot cycle. A half-frame lasts 10 ms and contains 96 bits. Two half-frames constitute one frame (20 ms, 192 bits). Four frames form one slot (80 ms, 768 bits). And 2048 slots ( 163 ,840 ... 2002 9:27: 36 AM Color profile: Disabled Composite Default screen P1: FDJ book CRC -Wireless November 8, 2001 16: 35 Char Count= 327 Idle Handoff Procedures An idle handoff corresponds...

Ngày tải lên: 14/08/2014, 06:22

... Handoff Criteria 5.19.4 Hard Handoff 5.19.5 Idle Handoff 5.19 .6 Conclusions 5.20 Summary Part III Wireless Data 6 Wireless Data Technology 6. 1 Introduction 6. 2 General Packet Radio Service 6. 2.1 ... Network Architecture 6. 2.2 Protocol Architecture 6. 2.3 Data Flow and Data Structure 6. 2.4 Physical Channels and Logical Channels 6. 2.5 Medium Access 6. 2 .6 Data Transf...

Ngày tải lên: 14/08/2014, 06:22

... Diffraction around corners and its effects of the microcell coverage area in urban and suburban environments at 900 MHz, 2 GHz, and 6 GHz, IEEE Trans. Veh. Technol., 43, 762 – 766 , Aug. 1994. 5. Clark, ... April 25, 2002 9:27: 36 AM Color profile: Disabled Composite Default screen P1: FDJ book CRC -Wireless November 16, 2001 13: 56 Char Count= 254 0.2 0.4 0 .6 0.8 1.0 10 20 30 40...

Ngày tải lên: 14/08/2014, 06:22

... this corresponds to a 64 -ary orthogonal modulation. For the traffic channels, vocoders at variable data rates of 9 .6, 4.8, 2.4, and 1.2 kbit/s for Rate Set 1 and 14.4, 7.2, 3 .6, and 1.8 kbit/s for ... between DMH and MSC. r L-Interface: The interface between MSC and IWF, which is defined by the interworking function. r M-Interface: The interface between SME and SME, SME and MC...

Ngày tải lên: 14/08/2014, 06:22

... other frequency bands, an additional 519 MHz for IMT-2000 applications. These new bands spanned from 8 06 to 960 MHz, from 1710 to 1885 MHz, and from 2500 to 269 0 MHz. These bands are intended ... the two standards, GSM and ANSI-1 36. The new generation of this TDMA system is referred to as TDMA-1 36 + . GSM phase 2 + evolves toward EDGE in which higher data rates are achieved. EDGE...

Ngày tải lên: 14/08/2014, 06:22

... 10 2;4 8 ;6 15 2 56 20 4 ;6; 8;10;12;14; 16 16; 14;12;10;8 ;6; 4 30 128 40 16; 20;24; 26; 28;30;32;34 24;20; 16; 14;12;10;8 ;6 60 64 80 52; 56; 60 ;64 28;24;20; 16 120 32 160 120;132;140 40;28;20 240 16 320 280;288 ... 280;288 40;32 480 8 64 0 5 76; 600 ;60 8 64 ;40;32 960 4 1280 12 16; 1240;1248 64 ;40;32 1920 where the slot format assumes the values 0, 1, 2, 3, 4, 5, 6, or 7. T...

Ngày tải lên: 14/08/2014, 06:22

... (STD) and transmit adaptive antennas (TxAA) are applicable. 8.13.11 Handover Procedure Intramode handover, intermode handover, and intersystem handover can be supported within UTRA. Intramode Handover Intramode ... Handover Intramode handover comprises the handover procedures within each UTRA mode. In UTRA FDD, soft handover, softer handover, and hard handover are supported. UTRA TDD do...

Ngày tải lên: 14/08/2014, 06:22

... 19.2/n 1 / 6 1× None 2,304 115.2/n 744/20n — 16 38.4/n 1 / 6 1× None 4 ,60 8 230.4/n 1,512/20n — 16 76. 8/n 1 / 6 1× None 9,2 16 460 .8/n 3,048/20n — 16 153 .6/ n 1 / 6 1× None 18,432 921 .6/ n 6, 120/20n — 16 ... 16/ 20 — 6 1.5 1 / 6 8× 1 of 5 1,152 57 .6 40/20 n — 6 2.7/n 1 / 6 4× 1 of 9 1,152 57 .6/ n 80/20n — 8 4.8/n 1 / 6 2× None 1,152 57 .6/ n 172/20n — 12 9 .6/...

Ngày tải lên: 14/08/2014, 06:22