Next generation wireless systems and networks phần 6 pot
Next generation wireless systems and networks phần 6 pot
... synchronized in 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 20 06 John Wiley & Sons, ... 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 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
... 4.8 153K 1 /6 1/5 2.4 307K-2S 1/3 1/5 1.2 307K-4S 16/ 49 16/ 49 2 61 4K-1S 2/3 1/3 1 61 4K-2S 32/49 16/ 49 1 912K 48/49 16/ 49 1 1.2M-1S 4/3 2/3 1 1.2M-2S 64 /49 16/ 49 1 1.8M 2 2/3 1 2.4M 8/3 2/3 1 Table 3.11 ... supports data rates from 9 .6 to 153 .6 kbps with 16- slot packets ( 26. 66 ms). The packet is encoded using either rate 1/2 or rate 1/4 Parallel Turbo Code as specified in [...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 4 potx
... 9 .6 19.2 38.4 76. 8 153 .6 Modulation BPSK BPSK BPSK BPSK BPSK Encoded packet length (bits)/(ms) 2 56/ 26. 67 512/ 26. 67 1024/ 26. 67 2048/ 26. 67 40 96/ 26. 67 Code rate 1/4 1/4 1/4 1/4 1/2 No. of slots 16 ... 3072/ 2048/ 40 96/ 3072/ 40 96/ 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...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 10 pot
... Wideband Systems and Technologies, May 2002. [66 7] I. Maravic, M. Vetterli, and K. Ramchandran, Channel estimation and synchronization with sub-Nyquist sampling and application to ultra-wideband systems. ... standard, 298 802.15.3a wireless UWB standard, 384 802.15.4, 298, 382 802.15.4a, 270, 298 802. 16, 9, 298, 389, 391 802. 16 standard, 298, 392 802.16e standard, 389 802.16...
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 20 06 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 ...
Ngày tải lên: 09/08/2014, 19:22
Next generation wireless systems and networks phần 7 ppt
... 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 Systems and Networks Hsiao-Hwa Chen and Mohsen ... applications. wireless metropolitan area networks (WMANs) as IEEE 802. 16 standards, WPANs as IEEE 802.15 standards, and so on. It is noted that IEEE 802.15.4.a is...
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
... (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 (4.75/1 46) ×5, (4.79/147) ×2 Long ( 16. 67/32) ( 16. 67 /64 ) ( 16. 67/128) ( 16. 67/2 56) ( 16. 67/384) ( 16. 67/512) a This includes DC subcarrier which contains no data. This ... Long CP) 7 /6 7 /6 7 /6 7 /6 7 /6 7 /6 CP length b Short...
Ngày tải lên: 09/08/2014, 19:22
next generation wireless systems and networks
... 13,784, 966 20,507, 264 67 .2 1.5 Netherlands 10,8 06, 328 16, 3 16, 019 66 .2 1.2 Poland 10 ,60 0,000 38,133,891 27.8 1.1 Malaysia 9,513,100 26, 500 ,69 9 37.9 1.1 Rest of the World 1 76, 943,950 2,444,250,712 ... 32,050, 369 63 .8 2.2 Spain 15, 565 ,138 43,435,1 36 35.8 1.7 Indonesia 15,300,000 219,307,147 7.0 1 .6 Mexico 14,901 ,68 7 103,872,328 14.3 1 .6 Taiwan 13,800,000 22,794,795...
Ngày tải lên: 03/06/2014, 01:05