Adaptable Channel Decomposition for Time-varying MIMO System with QoS Constraints

被引：0
|
作者：
Hu, Jie [1 ]
Xie, Xianzhong [2 ]
Feng, Suili [1 ]
Lu, Jianqiang [3 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Guangdong, Peoples R China
[2] Chongqing Univ Posts & Telecommun, Key Lab Mobile Commun, Chongqing, Peoples R China
[3] South China Agr Univ, Engn Coll, Guangzhou, Peoples R China
来源：
2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31 | 2008年
关键词：
GMD; ACD; SVD; singular; waterfilling;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We propose a jointly designing transceiver for time-varying multiple-input multiple-output (MIMO) systems. Based on geometric mean decomposition (GMD), the scheme decomposes a MIMO channel into parallel subchannels with identical capacities and each subchannel meets certain BER constraints. Thus the power loading and modulation/demodulation process are particularly simplified because of the identical signal-to-interference-and-noise ratios (SINR) across the subchannels. We compare the average spectral efficiency (ASE) of our scheme with singular value decomposition-based continuous rate (SVD-CR) scheme, singular value decomposition-based discrete rate (SVD-DR) scheme and the scheme of GMD with subchannel selection (GMD-sel). Performance is investigated by simulation results.
引用
收藏
页码：2196 / +
页数：2
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