Next generation wireless systems and networks phần 7 ppt
Next generation wireless systems and networks phần 7 ppt
... 1 ) λT c σ 2 mp (7. 79) Effect of lognormal fading The conditional variances of MI and MAI terms from the RAKE receiver, as given in Equations (7. 71) and (7. 79), are still conditioned on variables w k,q,l and ... channel, and g(τ) is the com- bined effect of the transmitter pulse-shaping and the receiver matched-filtering. Thus, the received Next Generation Wireless Syste...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 5 ppt
... telecommunication services: PSTN and IP networks. Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen Guizani 2006 John Wiley & Sons, Ltd 234 WIRELESS DATA NETWORKS • Up to eight ... Mbps, and in the late 1990s the Gigabit Ethernet was standardized Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen Guizani 2...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 2 pot
... comparison easily and objectively. For instance, if we want to compare BPSK and QPSK DSSS systems shown in Figures 2.10 and 2.20, we should fix the data rate and PG first (thus the bandwidth), allowing ... It operates in 800–900 MHz frequency band and is one of numerous first generation (1G) mobile cellular standards. Even now, some parts of the United States and Canada are still...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 3 potx
... algorithm. Delay profile = [0. 577 4, 0. 577 4, 0. 577 4], interpath delay = one chip, interuser delay = three chip, PG of CC code = 4 × 16, and user number = 4. such as QPSK and and so on. Because of the ... to the IS-54B, IS-136 and GSM standards, there are many other 2G wireless and cordless digital telephone systems that have been proposed and adopted by different countries...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 4 potx
... 1024/ 1024/ 2048/ 1024/ 2048/ 3 072 / 2048/ 4096/ 3 072 / 4096/ packet length (bits/ms) 26. 67 13.33 6. 67 3.33 6. 67 1. 67 3.33 3.33 1. 67 3.33 1. 67 1. 67 Code rate 1/5 1/5 1/5 1/5 1/3 1/3 1/3 1/3 1/3 1/3 ... 3 and 11 influence the procedure. There are three types of handovers specified in UMTS. (1) Intrafrequency handovers; (2) Inter- frequency handovers; and (3) InterRAT handover...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 6 pot
... time, and every active user is assigned a particular time slot in the Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen Guizani 2006 John Wiley & Sons, Ltd 278 MULTIPLE ... infinite, and 262 ARCHITECTURE OF B3G WIRELESS SYSTEMS Reconfigurability and spectrum issues are changing the way wireless networks are planned. Planners are mindful o...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 8 docx
... various wireless applications, such as wireless regional area networks (WRANs), wireless metropolitan area networks (WMANs), wireless local area networks (WLANs), and wireless personal area networks ... in the same band (such as GPS, radar and satellite systems, and so on.), and the other being the mutual interference among unlicensed users (such as WLANs and Blue...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 9 pps
... Long CP) 7/ 6 7/ 6 7/ 6 7/ 6 7/ 6 7/ 6 CP length b Short (4.69/9) ×6, (5.21/10) ×1 c (4.69/18) ×5, (4.95/19) ×2 (4.69/36) ×3, (4.82/ 37) ×4 (4 .75 /73 ) ×6, (4.82 /74 ) ×1 (4 .73 /109) ×2, (4 .77 /110) ×5 (4 .75 /146) ×5, (4 .79 /1 47) ×2 Long ... (4.69/9) ×6, (5.21/10) ×1 c (4.69/18) ×5, (4.95/19) ×2 (4.69/36) ×3, (4.82/ 37) ×4 (4 .75 /73 ) ×6, (4.82 /74 ) ×1 (4 .73 /109) ×2, (4 .77...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 10 pot
... (IF), 57, 58, 371 , 372 , 376 amplifier, 371 , 372 band, 372 , 378 filter, 371 mixer, 58 sampling, 372 frequency amplifier, 371 Module Repeater (IMR), 264 Intermodulation Distortion (IMD), 375 International Mobile ... 1 87, 256, 262, 263, 400, 405 Frequency (RF), 1, 43, 120, 132, 141, 272 , 282, 298, 361, 370 , 384–388 band, 366, 3 67, 371 , 372 , 378 bandwidth, 42, 46 carrier, 45 carrie...
Ngày tải lên: 09/08/2014, 19:22
next generation wireless systems and networks
... 202,888,3 07 296,208, 476 68.5 21.6 China 103,000,000 1,282,198,289 7. 9 11.0 Japan 78 ,050,000 128,1 37, 485 60.9 8.3 Germany 47, 1 27, 725 82 ,72 6,188 57. 0 5.0 India 39,200,000 1,094, 870 , 677 3.6 4.2 United ... 43,435,136 35.8 1 .7 Indonesia 15,300,000 219,3 07, 1 47 7.0 1.6 Mexico 14,901,6 87 103, 872 ,328 14.3 1.6 Taiwan 13,800,000 22 ,79 4 ,79 5 60.5 1.5 Australia 13 ,78 4,966...
Ngày tải lên: 03/06/2014, 01:05