Paper Info
Title
Reverse link capacity of SIR-based power-controlled CDMA systems with antenna arrays
Abstract
In this paper. reverse link capacity, in terms of user capacity, of a code-division multiple access (CDMA) system With both beamforming and antenna diversity under a multipath environment is analyzed and compared. Signal-to-interference ratio (SIR) based power control is assumed in the system. Antenna elements are divided into several,Groups to achieve antenna diversity gain. Antenna elements in a group are closely spaced to perform beamforming in order to suppress the own-cell and other-cell interference, while those groups are widely spaced to achieve the diversity gain. Based on the comparison, a most efficient use of the antenna array according to the distribution of antenna elements among the groups is obtained. Instead of using tedious iterative methods to evaluate user capacity, a simple closed-form capacity expression with respect to antenna diversity and beamforming gains, a target SIR and the CDMA processing gain is derived. Numerical results indicate significant capacity improvement with the antenna array. Copyright (C) 2003 John Wiley Sons, Ltd.
Year
DOI
Venue
2003
10.1002/wcm.155
WIRELESS COMMUNICATIONS & MOBILE COMPUTING
Keywords
Field
DocType
code-division multiple access (CDMA),user capacity,antenna diversity,beamforming,rake receiver
Multipath propagation,Diversity gain,Beamforming,Antenna diversity,Telecommunications,Computer science,Antenna efficiency,Antenna array,Reconfigurable antenna,Electronic engineering,Smart antenna,Distributed computing
Journal
Volume
Issue
ISSN
3.0
6.0
1530-8669
Citations 
PageRank 
References 
5
0.52
11
Authors
2
Name
Order
Citations
PageRank
Jin Yu1416.25
Yu-Dong Yao21781119.83