Introduction to Smart Antennas - Chapter 9 pdf
Introduction to Smart Antennas - Chapter 9 pdf
... adaptive beam-forming. Fig. 9. 2 illustrates the functional diagram of Spotlight
.
Another product by the same company is the SmartCell
. It is a targeted, sector-by-
sector smart antenna ... to continual advances in the
field, it is expected that the usage of smart antennas will continue to grow.
COMMERCIAL AVAILABILITY OF SMART ANTENNAS 153
FIGURE 9. 3: The use of standar...
Introduction to Smart Antennas - Chapter 10 pdf
... Sonar Navig., vol. 141, no. 6, pp. 293 – 299 , Dec. 199 4.
doi:10.10 49/ ip-rsn: 199 41366
[128] C. P. Mathews and M. D. Zoltowski, “Eigen-structure techniques for 2-D angle
of arrival with uniform circular ... channels: system model, decoding ap-
proaches, and practical considerations,” IEEE J. Select. Areas Commun.,vol. 19, no.5,
pp. 95 8 96 8, May 2001. doi:10.11 09/ 49. 9248 79
[ 199 ]...
Introduction to Smart Antennas - Chapter 1 ppsx
... Ioannides
www.morganclaypool.com
ISBN: 1 598 291 7 69 paperback
ISBN: 97 81 598 291 766 paperback
ISBN: 1 598 291 777 ebook
ISBN: 97 81 598 291 773 ebook
DOI: 10.2200/S00079ED1V01Y200612ANT005
A Publication in ... traveling onvehicles. To aggravate furtherthe capacity prob-
lem, in 199 0s the Internet gave the people the tool to get data on-demand (e.g., stock quotes,
news, weather rep...
Introduction to Smart Antennas - Chapter 2 pps
... Cellular (ADC)
199 1 Global System for Mobile Communication (GSM)
199 2 Digital Cellular System (DCS) 1800
199 3 CDMA One
199 4 Personal Digital Cellular (PDC)
199 5 PCS 190 0-Canada
199 6 PCSóUnited ... Throughput
Channel Bandwidth
. (2.1)
20 INTRODUCTION TO SMART ANTENNAS
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8
Normalized Frequency (f T)
-0 .4
-0...
Introduction to Smart Antennas - Chapter 3 docx
... fixed to the optimum direction (toward which the signal -to- noise
ratio is maximized). In this direction the maximum of the pattern is ideally toward the desired
signal.
30 INTRODUCTION TO SMART ANTENNAS
0 ... 26 INTRODUCTION TO SMART ANTENNAS
Adaptive arrays based on DSP algorithms can, in principle, receive desired signals
from any angle of arrival. However, the output sig...
Introduction to Smart Antennas - Chapter 4 docx
... diagram [94 , 95 ].
SMART ANTENNAS 63
-1 80 -1 50 -1 20 -9 0 -6 0 -3 0 0 30 60 90 120 150 180
(degrees)
-8 0
-6 0
-4 0
-2 0
0
Gain (dB)
FIGURE 4.28: Normalized radiation pattern for a weighted five-sensor ... unit
FIGURE 4.18: Reception part of a smart antenna [20].
60 INTRODUCTION TO SMART ANTENNAS
-1 80 -1 50 -1 20 -9 0 -6 0 -3 0...
Introduction to Smart Antennas - Chapter 5 ppsx
... observations
become “full-rank”. The approach of MUSIC, and other subspace-based methods, is to first
82 INTRODUCTION TO SMART ANTENNAS
-9 0 -7 5 -6 0 -4 5 -3 0 -1 5 0 15 30 45 60 75 90
(degrees)
0
5
10
15
20
25
30
35
MUSIC ... vector wavenumber of the incident plane from the ith narrowband source and
D is the vector displacement between the two subarrays. If we as...
Introduction to Smart Antennas - Chapter 6 docx
... stochastic gradient algorithms since the
instantaneous estimate of the gradient vector is a random vector that depends on the input data
90 INTRODUCTION TO SMART ANTENNAS
-9 0 -7 5 -6 0 -4 5 -3 0 -1 5 ... determined by adaptive algorithms which adapt to the
changing environment.
94 INTRODUCTION TO SMART ANTENNAS
To minimize the objective function, we set...
Introduction to Smart Antennas - Chapter 7 ppsx
... cochannel
interference.
110 INTRODUCTION TO SMART ANTENNAS
-3 0-3 0 -2 0-2 0 -1 0-1 0 00
90
60
30
0
30
60
90
dB
E-plane
H-plane
FIGURE 7.3: Single element microstrip patch radiation patterns; E-plane (φ = 0
◦
) and H-plane ... 7.1,withλ/2 (half-wavelength) interelement spacing (maximum
allowable spacing for a well-correlated antenna array) where λ = 1.5 cm was desig...
Introduction to Smart Antennas - Chapter 8 potx
... station)
space-time
processing
smart antennas
MISO/SIMO
MIMO
FIGURE 8.3: Space–time processing; applications and benefits [25].
132 INTRODUCTION TO SMART ANTENNAS
is considered to be frequency-flat, the ... intrinsic advantages
142 INTRODUCTION TO SMART ANTENNAS
1
10
100
1 10
5
Range (Km)
90 % Single-User Data Rate (Mbps)
P
T
=10W
B =5MHz
M-antenna transmit diversity at b...