GTD-Based Transceivers for Decision Feedback and Bit Loading

被引：1

作者：

Weng, Ching-Chih ^{[1
]}

Chen, Chun-Yang ^{[1
]}

Vaidyanathan, P. P. ^{[1
]}

机构：

[1] CALTECH, Dept Elect Engn, Pasadena, CA 91125 USA

来源：

2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS | 2009年

关键词：

Decision Feed-Back; BER Optimization; Generalized Triangular Decomposition; Bit Allocation; MIMO Transceiver; MIMO COMMUNICATIONS; CHANNEL DECOMPOSITION; DESIGN;

D O I：

10.1109/ICASSP.2009.4960170

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We consider new optimization problems for transceivers with DFE receivers and linear precoders, which also use bit loading at the transmitter. First, we consider the MIMO QoS (quality of service) problem, which is to minimize the total transmitted power when the bit rate and probability of error of each data stream are specified. The developments of this paper are based on the generalized triangular decomposition (GTD) recently introduced by Jiang, Li, and Hager. It is shown that under some multiplicative majorization conditions there exists a custom GTD-based transceiver which achieves the minimal power. The problem of maximizing the bit rate subject to the total power constraint and given error probability is also considered in this paper. It is shown that the GTD-based systems also give the optimal solutions to the bit rate maximization problem.(1)

引用

页码：2661 / 2664

页数：4

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