基于迹准则的空频格码的设计

Journal of Applied Sciences ›› 2006, Vol. 24 ›› Issue (5): 463-468.

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Design of Space-Frequency Trellis Codes Based on Trace Criterion

GENG Jia, CAO Xiu-ying, BI Guang-guo

National Mobile Communication Research Laboratory, Southeast University, Nanjing 210096, China

Received:2005-07-28 Revised:2005-11-23 Online:2006-09-30 Published:2006-09-30

Abstract

Abstract: By analyzing the relation between space-frequency trellis codes (SFTC) and space-time trellis codes (STTC), it is demonstrated that the trace criterion can be used in the design of SFTCs although this criterion is originally proposed for STTCs.Simulation results show that the codes designed by the trace criterion outperform other known SFTCs.In addition, the code performance can be further improved by enhancement of the trace criterion.Effects of path delay, interleaving and encoder states on the code performance are analyzed.

Key words: space-frequency trellis codes, OFDM, trace criterion, space-time trellis codes

CLC Number:

GENG Jia, CAO Xiu-ying, BI Guang-guo. Design of Space-Frequency Trellis Codes Based on Trace Criterion[J]. Journal of Applied Sciences, 2006, 24(5): 463-468.

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Design of Space-Frequency Trellis Codes Based on Trace Criterion

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