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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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