A novel greedy bitloding scheme for MIMO-OFDM wireless system

被引：0
|
作者：
Li, Q [1 ]
Wang, X [1 ]
Teng, JF [1 ]
机构：
[1] Tianjin Univ, Sch Elect Informat Engn, Tianjin 300072, Peoples R China
来源：
ISTM/2005: 6th International Symposium on Test and Measurement, Vols 1-9, Conference Proceedings | 2005年
关键词：
adaptive bitloading; MIMO; OFDM; greedy algorithm;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A practical adaptive bitloding scheme based on greedy algorithm is presented for MQAM modulation MIMO-OFDM wireless system. Singular Value Decomposition is used for the decomposition of spatial multiplexing channels into parallel subchannels, and eigenvalues are used for optimal design of bit loading and power distribution among subchannels. The greedy algorithm used in bitloading of OFDM systems is then extended and simplified to the multiple antennas situation.
引用
收藏
页码：5200 / 5203
页数：4
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