WIENER FELTER-BASED FIXED-COMPLEXITY VECTOR PRECODING FOR THE MIMO DOWNLINK CHANNEL

被引：0

作者：

Barrenechea, M. ^{[1
]}

Mendicute, M. ^{[1
]}

Del Ser, J. ^{[2
]}

Thompson, J. S. ^{[3
]}

机构：

[1] Mondragon Unibertsitatea, Dept Elect & Informat, Arrasate Mondragon 20550, Spain

[2] Tecnalia Robot, Telecom Unit, Zamudio 48170, Spain

[3] Univ Edinburgh, Dig Commun, Edinburgh EH9 3JL, Midlothian, Scotland

来源：

SPAWC: 2009 IEEE 10TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS | 2009年

关键词：

MULTIANTENNA MULTIUSER COMMUNICATION; PERTURBATION TECHNIQUE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A fixed-throughput Wiener filter vector precoding (VP) approach specially suitable for hardware implementation in field programable gate array (FPGA) devices is introduced in this paper. The lattice decoding algorithm, which is based on the sphere decoder (SD) lattice search, performs in its first stage a reordering of the matrix to be used for the tree search. Afterwards, the search tree is configured so as to yield an appropriate BER performance, and a fixed-complexity search is carried out. Simulation results show that the BER performance of the proposed algorithm is very close to the ML solution whereas its complexity is significantly smaller than that of the SD algorithm or the exhaustive search method.

引用

页码：216 / +

页数：2

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