多径衰落ISI信道的系统栅格编码调制

Proceeding of 13th IEEE Annual International Phoenix Conference on Computers and Communications Pub Date : 1994-04-12 DOI:10.1109/PCCC.1994.504153

E. Katz, G. Stuber

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引用次数: 0

摘要

提出了系统栅格编码调制(STCM)的概念，作为对多径衰落IS1信道进行编码调制的有效手段。由于STCM码的特殊结构，可以采用双模接收;当信道满意时使用常规序列估计，当信道出现深衰落时使用系统解码。由于误码率是由深度衰落期间的代码性能决定的，因此即使具有适度渐近编码增益的STCM代码也具有比先前报道的具有较大渐近编码增益的栅格代码更好的总体性能。我的介绍

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Systematic Trellis-coded Modulation on Multipath Fading ISI Channels

The concept of systematic trellis-coded modu- lation (STCM) is presented as an effective means of performing coded modulation on multipath fading IS1 channels. Due to the special construction of STCM codes, a dual mode receiver can be employed; conventional sequence estimation is used when the channel is satisfactory, and systematic decoding is used when the channel exhibits a deep fade. Because the bit error rate is dominated by the code performance during a deep fade, STCM codes with even a modest asymptotic coding gain have an over- all performance that is better than previously reported trellis- codes with large asymptotic coding gain. I Introduction

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Proceeding of 13th IEEE Annual International Phoenix Conference on Computers and Communications

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