WIRELESS TECHNOLOGYProtocols, Standards, and Techniques pdf phần 5 potx

... Engineers.vp Thursday, April 25, 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 ... message, and neighbor list message. All messages on the paging channel convey the mobile identification number (MIN), the ESN, and the IMSI. Next listed and briefly des...

Ngày tải lên: 14/08/2014, 06:22

... Link 5. 4.3 Physical Channels 5. 4.4 Logical Channels 5. 5 The Logical Channels 5. 5.1 Pilot Channel 5. 5.2 Sync Channel 5. 5.3 Paging Channel 5. 5.4 Access Channel 5. 5 .5 Traffic Channel—Forward and Reverse ... FDJ book CRC -Wireless November 16, 2001 11:33 Char Count= 1047 5. 19.1 Increase in the Transmission Rate 5. 19.2 Power Control 5. 19.3 Soft Handoff Criteria 5. 19.4 H...

Ngày tải lên: 14/08/2014, 06:22

... width of 15 m, the transmitter and receiver antennas heights, respectively, equal to h t = 4 m and h r =1 .5 m, an operation frequency of 890 MHz (λ =3/8.9), these leading to k =1.4 05, and a network ... GLOBECOM’ 95 Conf., Singapore, 19 95, 758 –762. 4. Erceg, V., Rustako, A. J., Jr., and Roman, R. S., Diffraction around corners and its effects of the microcell coverage area i...

Ngày tải lên: 14/08/2014, 06:22

... Personal Commun., 2(3), 56 –64, June 19 95. 15. Jang, J.S. and Shin, B.C., Performance evaluation of fast PRMA protocol, Electron. Lett., 31 (5) , 347–349, March 19 95. 16. Jang, J.S. and Shin, B.C., Performance ... Trans. Inform. Theory, IT- 25, 50 5 51 5, September 1979. 8. Bertsekas, D. and Gallager, R., Data Networks, 2nd ed., Prentice-Hall, Englewood Cliffs, NJ, 1992. 9. Klein...

Ngày tải lên: 14/08/2014, 06:22

... MHz B' 2 .5 MHz 869 870 880 890 891 .5 894 824 8 25 8 35 8 45 846 .5 849 (MHz) (MHz) Forward Link Reverse Link FIGURE 5. 2 Frequency allocation for the AMPS and IS- 95 systems. B-band also split ... MC and MSC. r Um-Interface: The interface between MS and BS, which, specifically for the CDMA system, is defined in TIA/EIA/IS- 95. (Other standards are ANSI/TIA/EIA -55 3-A, IS-9...

Ngày tải lên: 14/08/2014, 06:22

... bits coding puncturing Radio Block 456 segmentation 114 114 114 114 encapsulation Time slot x, Frame y+1 156 . 25 Time slot x, Frame y 156 . 25 Time slot x, Frame y+3 156 . 25 Time slot x, Frame y+2 156 . 25 T 3 DATA 57 F 1 TRAIN 26 F 1 DATA 57 T 3 GUARD 8. 25 Normal BURST T: ... 6.4 HDR Forward-Link Throughput and SNR Data Rate (kbit/s) SNR (dB) 76.8 −9 .5 102.4 −8 .5 153 ....

Ngày tải lên: 14/08/2014, 06:22

... other frequency bands, an additional 51 9 MHz for IMT-2000 applications. These new bands spanned from 806 to 960 MHz, from 1710 to 18 85 MHz, and from 250 0 to 2690 MHz. These bands are intended ... toward UWC-136, which includes EDGE. IS- 95 evolves toward IS-95B, in which handoff procedures and forward power control procedures have been drastically improved and packet data trans- m...

Ngày tải lên: 14/08/2014, 06:22

... command (start of a message indicator) and higher layer command (emergency stop command). The channel bit rate, the channel symbol rate, and the number of bits per slot are, respectively, 15, 7 .5, ... the symbol rate, and the spreading factor are constant and equal to 10 bits/slot, 15 kbit/s, 15 kbit/s, and 256 , respectively. The number of pilot bits, TPC bits, TFCI bits, and...

Ngày tải lên: 14/08/2014, 06:22

... N × 1. 25 = 1. 25, 3. 75, 7 .5, 11. 25, and 15 MHz, with SR 1 and SR 3 specified in the cdma2000 standards. The RCs are different for downlink and uplink. For SR 1 and 3, cdma2000 standards specify ... (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...

Ngày tải lên: 14/08/2014, 06:22

... — — — — — RC8 24 /5 0 16 9.6 1 / 3 2× — 288 57 .6 (SR3) 21/20 1 6 1.8 1 / 4 8× — 1, 152 57 .6 55 /20 n 1 8 3.6/n 1 / 4 4× — 1, 152 57 .6/n 1 25/ 20n 1 10 7.2/n 1 / 4 2× — 1, 152 57 .6/n 267/20n 1 ... — — — RC6 24 /5 — 16 9.6 1 / 6 1× None 288 57 .6 (SR3) 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×...

Ngày tải lên: 14/08/2014, 06:22