Optimal antenna selection scheme with transmit adaptive array for wideband CDMA systems

被引：0
|
作者：
Kim, HS [1 ]
Lee, W [1 ]
Shin, Y [1 ]
机构：
[1] Soongsil Univ, Sch Elect Engn, Seoul 156743, South Korea
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2003年 / E86A卷 / 06期
关键词：
antenna selection; transmit adaptive array; wideband CDMA;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Transmit diversity schemes are an effective capacity improvement method for down link of wideband code division multiple access (W-CDMA) systems. In this paper, we propose to use transmit antenna subset selection scheme in conjunction with closed loop transmit adaptive array (TxAA). The proposed scheme selects N-S optimum antennas among N-T (> N-S) transmit antennas in order to maximize diversity gain from the selected antennas, and also reduces the cost of RF chains by employing two different types of RF modules for the selected and the unselected antenna group, respectively. Computer simulation results show performance improvement by the proposed scheme over the conventional TxAA when considering up link control information feedback.
引用
收藏
页码：1414 / 1420
页数：7
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