optical code division multiple access communication networks theory and applications pdf
theory of code division muitiple access communication
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01/06/2014, 11:27
... transmission.
THEORY OF
CODE DIVISION
MULTIPLE ACCESS
COMMUNICATION
1
INTRODUCTION TO CELLULAR
MOBILE RADIO COMMUNICATION
The subject of this book is code division multiple access (CDMA) communi-
cations. ... during
Theory of Code Division Multiple Access Communication, by Kamil Sh. Zigangirov
ISBN 0-471-45712-4 Copyright 2004 Institute of Electrical and Electronics Engineers
1
THEORY OF
CODE DIVISION
MULTIPLE ... source
coding and channel error-correcting coding) and the corresponding signal pro-
cessing techniques at the receiver.
1.2 FREQUENCY DIVISION AND TIME DIVISION
MULTIPLE ACCESS
Multiple access schemes...
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Code Division Multiple Access CDMA pdf
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... 64
2.8 Multiple Access Performance of Frequency-Hopped
Code Division Multiple Access 67
2.9 Summary 71
3. Cellular Code Division Multiple Access 73
3.1 Principles of Cellular Code Division Multiple ... difference be-
tween CDMA and more widely understood orthogonal access techniques such as time division
multiple access and frequency division multiple access. Additionally, random access schemes
such ... providing multiple access, and we will briefly examine the major techniques in
this chapter. However, the focus of this book is one specific multiple access technique termed
code division multiple access...
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Code Division Multiple Access (CDMA) phần 1 doc
Ngày tải lên :
07/08/2014, 21:20
... Conflict-Free Medium Access Control 2
1.1.1 Time Division Multiple Access 3
1.1.2 Frequency Division Multiple Access 5
1.1.3 Code Division Multiple Access 6
1.1.4 Traffic Engineering and Trunking Efficiency ... 22
2. Spread Spectrum Techniques for Code Division Multiple Access 23
2.1 Forms of Code Division Multiple Access 23
2.2 Direct Sequence Code Division Multiple Access 24
2.2.1 Power Spectral Density ... Performance of Frequency-Hopped
Code Division Multiple Access 67
2.9 Summary 71
3. Cellular Code Division Multiple Access 73
3.1 Principles of Cellular Code Division Multiple Access 73
3.1.1 Interference...
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Code Division Multiple Access (CDMA) phần 2 doc
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07/08/2014, 21:20
... Techniques for
Code Division Multiple Access
In the previous chapter, we reviewed the basic concepts of multiuser communications and the
multiple access techniques used to allow multiple users ... 2.4. The link performance and multiple access capabilities of DS-CDMA will be
discussed in Sections 2.5 and 2.6, respectively, and the link performance and multiple access
capabilities of FH-CDMA ... channel is in use. Carrier sense multiple access (CSMA)
and carrier sense multiple access/ collision avoidance (CSMA/CA) are both contention-based
Random wait
Random wait
Node 1
packet
Node 2
packet
Node...
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Code Division Multiple Access (CDMA) phần 3 potx
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... FOR CODE DIVISION MULTIPLE ACCESS 35
all sequences generated by summing a and a
, we obtain a set of 2
n
− 1 Gold codes. We can
also obtain another 2
n/2
− 1 codes by modulo-2 summing a
and ... sequence and l is an integer.
P1: IML/FFX P2: IML
MOBK023-02 MOBK023-Buehrer.cls September 28, 2006 15:54
SPREAD SPECTRUM TECHNIQUES FOR CODE DIVISION MULTIPLE ACCESS 33
TABLE 2.1: Code length N and ... 28, 2006 15:54
30 CODE DIVISION MULTIPLE ACCESS (CDMA)
FIGURE 2.4: Comparison of original/despread signal and spread signal spectra for DS/SS with square
pulses.
2.2.2 Multiple Access
The DS/SS...
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Báo cáo hóa học: " Iterative Pilot-Layer Aided Channel Estimation with Emphasis on Interleave-Division Multiple Access Systems Hendrik Schoeneich and Peter Adam Hoeher" docx
Ngày tải lên :
22/06/2014, 23:20
... Conference on Communication, Control and
Computing, pp. 170–179, Monticelli, Ill, USA, October 2002.
[4] P. Li, L. Liu, K. Wu, and W. Leung, “Interleave -division
multiple- access (IDMA) communication ... and Optical Communications
Networks (WOCN ’04), pp. 179–182, Muscat, Oman, June
2004.
[9] S. Zhou, Y. Li, M. Zhao, X. Xu, J. Wang, and Y. Yao, “Novel
techniques to improve downlink multiple access ... INTRODUCTION
Spread-spectrum multiple access is a popular technique al-
lowing several users to share the same bandwidth at the same
time. Spread spec trum is often equated with direct-sequence
code- division multiple access...
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Báo cáo hóa học: " Editorial Millimeter-Wave Wireless Communication Systems: Theory and Applications" potx
Ngày tải lên :
22/06/2014, 19:20
... for low-cost and low-
power 60 GHz communications systems and are evaluated
and compared by considering the effects of front end non-
ideality. The authors found that OQPSK with FDE and non-
fractional ... enable the compact
and low-cost millimeter-wave receivers for the future wireless
communications systems such as the IEEE 802.15.3c wireless
personal area networks (WPAN) applications.
Chia-Chin ... system can
be a low-cost and high-performance 16-QAM transceiver es-
pecially for the local multipoint distribution system (LMDS)
applications.
The last paper by S. O. Tatu and E. Moldovan proposed...
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MIMO SYSTEMS, THEORY AND APPLICATIONS pdf
Ngày tải lên :
27/06/2014, 01:20
... form of frequency multiplexing that could be
efficient for wide band communication. The signal frequency band is divided into several
frequency subchannels in order to get narrow band channels. Orthogonality ... and N
R
receive antennas can achieve a maximum diversity gain of N
T
ì
N
R
.
Multiplexing gain
Thanks to the use of multiple antennas, MIMO systems perform spatial multiplexing.
Independent and ... question is how to include multiple antennas
at transmi er and receiver side and, what are the appropriate methods of detection and signal
processing strategies for specifi c applications?
This book,...
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Metal Machining Theory and Applications pdf
Ngày tải lên :
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... yields the D
3
and D
2
relations derived in the previous
paragraph.
Machine tool technology 13
Fig. 1.13 A traditional – column and knee – design and (right and below) partly-built and complete ... the chip and the tool and the plas-
tic flow stress of the work material. It also introduces observations on the length of contact
between a chip and tool and on chip radius of curvature; and discusses ... 2.2.4).
Tresca’s and Mallock’s papers introduce two of the main elements of metal cutting
theory, namely plasticity and the importance of the friction interaction between chip and
tool. Tresca...
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FUZZY CONTROLLERS – RECENT ADVANCES IN THEORY AND APPLICATIONS pdf
Ngày tải lên :
29/06/2014, 09:20
... Theory and Applications
http://dx.doi.org/10.5772/2622
Edited by Sohail Iqbal, Nora Bumella and Juan Carlos Fiueroa Garcia
Contributors
Teodor Lucian Grigorie, Ruxandra Mihaela Botez, Andrei ... mf2(Z) mf3(P)
Fuzzy Controllers – Recent Advances in Theory and Applications
28
() and ()
i
u ut u u t
(6)
The active power PAV and PiAV is given by:
4
0
2
2
T
AV
AV
P
P u i u i ... R&D institutions and industry initiated
and developed morphing aircrafts studies in the last decade (Munday and Jacob, 2002;
Sanders, 2003; Manzo et al., 2004; Skillen and Crossley, 2005;...
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