Code Division Multiple Access CDMA pdf
theory of code division muitiple access communication
... Illustration of PPH CDMA 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 ... Institute of Electrical and Electronics Engineers
1
THEORY OF
CODE DIVISION
MULTIPLE ACCESS
COMMUNICATION
Kamil Sh. Zigangirov
A JOHN WILEY & S...
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
... include multiple
access techniques, iterative multiuser detection, turb o equalization,
semiblind channel estimation, and adaptive transmission.
Peter Adam Hoeher received Dipl Ing. and
Dr Ing. ... International Union of Radio
Science (URSI ’05), New Delhi, India, October 2005.
[12] H. Schoeneich and P. A. Hoeher, “Semi-blind pilot-layer aided
channel estimation...
Báo cáo hóa học: " Bounds on the Outage-Constrained Capacity Region of Space-Division Multiple-Access Radio Systems" docx
... inner bounds on the
Bounds on the Outage Capacity Region of SDMA Systems 1289
percentile p is defined as the p percent outage capacity. Both
the ergodic capacity and outage capacity notions originated
from ... (27)
EURASIP Journal on Applied Signal Processing 2004:9, 1288–1298
c
2004 Hindawi Publishing Corporation
Bounds on the Outage-Constrained Capacit...
Code Division Multiple Access CDMA pdf
... 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...
Code Division Multiple Access (CDMA) phần 1 doc
... 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 8
1. 1.5 Frequency Reuse 9
1. 2 Contention-Based ... Medium Access Control. 15
1. 2 .1 ALOHA 16
1. 2.2 Carrier Sense Multiple Access and Carrier Sense Multiple
Access/ Collision Avoidance . ....
Code Division Multiple Access (CDMA) phần 2 doc
... information and BPSK
spreading.
P1: IML/FFX P2: IML
MOBK 023 - 02 MOBK 023 -Buehrer.cls September 28 , 20 06 15:54
28 CODE DIVISION MULTIPLE ACCESS (CDMA)
where m
a
and σ
2
a
are the mean and variance of the ... factor. It can be shown that
P1: IML/FFX P2: IML/FFX QC: IML/FFX T1: IML
MOBK 023 -01 MOBK 023 -Buehrer.cls September 28 , 20 06 15:54
22 CODE DIVISION MULTI...
Code Division Multiple Access (CDMA) phần 3 potx
... IML
MOBK0 23- 02 MOBK0 23- Buehrer.cls September 28, 2006 15:54
44 CODE DIVISION MULTIPLE ACCESS (CDMA)
0 0.5 1 1.5 2 2.5 3 3.5 4
×10
−8
0 0.5 1 1.5 2 2.5 3 3.5 4
×10
−8
0 0.5 1 1.5 2 2.5 3 3.5 4
×10
−8
0 ... IML
MOBK0 23- 02 MOBK0 23- Buehrer.cls September 28, 2006 15:54
SPREAD SPECTRUM TECHNIQUES FOR CODE DIVISION MULTIPLE ACCESS 31
t
-
1
+1
T
b
2T
b
3T
b
0
t
-...
Code Division Multiple Access (CDMA) phần 4 pdf
... the multiple cell scenario
P1: IML/FFX P2: IML
MOBK023-02 MOBK023-Buehrer.cls September 28, 2006 15: 54
62 CODE DIVISION MULTIPLE ACCESS (CDMA)
0 2 4 6 8 10 12 14 16 18 20
10
-
6
10
-
5
10
-
4
10
-
3
10
-
2
10
-
1
10
0
E
b
/
N
o
... September 28, 2006 15: 54
SPREAD SPECTRUM TECHNIQUES FOR CODE DIVISION MULTIPLE ACCESS 55
0 0.5 1 1.5 2 2.5 3
0
0.2
0 .4
0.6
0.8
1...
Code Division Multiple Access (CDMA) phần 5 ppt
... low-powered
Out-of-cell
interference
Out-of-cell
interference
Out-of-cell
interference
Mobiles
FIGURE 3 .5: Illustration of the uplink of a cellular CDMA system.
P1: IML/FFX P2: IML
MOBK023-03 MOBK023-Buehrer.cls September 28, 2006 15: 55
74 CODE DIVISION MULTIPLE ACCESS (CDMA)
0 50 0 1000 150 0
0
0.002
0.004
0.006
0.008
0.01
0.012
0.014
0.016
0.018
0.02
Total ... P2: IML
MOBK02...
Code Division Multiple Access (CDMA) phần 6 docx
... September 28, 20 06 15:55
104 CODE DIVISION MULTIPLE ACCESS (CDMA)
0 0.2 0.4 0 .6 0.8 1 1.2 1.4 1 .6 1.8 2
10
-
2
10
-
1
10
0
Fast Rayleigh fading channel
0 0.2 0.4 0 .6 0.8 1 1.2 1.4 1 .6 1.8 2
0
1
2
3
Transmit ... September 28, 20 06 15:55
CELLULAR CODE DIVISION MULTIPLE ACCESS 103
0 0.2 0.4 0 .6 0.8 1 1.2 1.4 1 .6 1.8 2
10
-
2
10
-
1
10
0
Slow Rayleigh fading ch...
Code Division Multiple Access (CDMA) phần 7 pps
... MOBK023-Buehrer.cls September 28, 2006 15:55
114 CODE DIVISION MULTIPLE ACCESS (CDMA)
Node 1
Node 2
Node 3
Node 4
Node 5
Node 6
Node 7
Common code
Common code
C
o
d
e
#
4
C
o
d
e
#
2
Primary collision
Secondary
collision
FIGURE ... common code, Node 2 is transmitting
on Code 2, Node 4 is transmitting on Code 4, and Node 7 is transmitting on the common
code. Node...
Code Division Multiple Access (CDMA) phần 8 potx
... MOBK023-Buehrer.cls September 28, 2006 15:55
126
P1: IML/FFX P2: IML
MOBK023-05 MOBK023-Buehrer.cls September 28, 2006 15:56
1 38 CODE DIVISION MULTIPLE ACCESS (CDMA)
5.4 NON-LINEAR SUB-OPTIMAL ... shortly.
P1: IML/FFX P2: IML
MOBK023-05 MOBK023-Buehrer.cls September 28, 2006 15:56
1 28 CODE DIVISION MULTIPLE ACCESS (CDMA)
represented as
r(t) =
K
k=1
s
k
(t −τ
k
)...
Code Division Multiple Access (CDMA) phần 9 docx
... IML
MOBK023-05 MOBK023-Buehrer.cls September 28, 2006 15:56
162 CODE DIVISION MULTIPLE ACCESS (CDMA)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 .9 1
10
-
3
10
-
2
10
-
1
10
0
Standard deviation of delay estimate ... 15:56
150 CODE DIVISION MULTIPLE ACCESS (CDMA)
Mathematically, we can represent the bit decisions for an S-stage parallel cancellation
scheme at any stage s as
ˆ...
Code Division Multiple Access (CDMA) phần 10 pot
... busy tone multiple access (DBTMA)—a multiple access
control scheme for ad hoc networks,” IEEE Transactions on Communications, vol. 50,
pp. 975–985, June 2002.doi :10. 1109 /TCOMM.2002 .101 0617
[18] ... correlation between the lth path of the kth user and the mth path of
10 20 30 40 50 60 70 80 90
10
-
6
10
-
5
10
-
4
10
-
3
10
-
2
10
-
1
10
0
Probability of bit error...
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