Performance of TCH codes in a land mobile satellite channel

被引：0

作者：

Sebastiao, PJA ^{[1
]}

Cercas, FAB ^{[1
]}

Cartaxo, AVT ^{[1
]}

机构：

[1] Inst Telecomunicacoes, P-1049001 Lisbon, Portugal

来源：

13TH IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOL 1-5, PROCEEDINGS: SAILING THE WAVES OF THE WIRELESS OCEANS | 2002年

关键词：

fading; interval simulation technique; Markov model; land mobile satellite channel; TCH codes;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work aims at presenting simulation results of performance of various Tonlinson-Cercas-Hughes (TCH) codes, namely, TCH(16,6,2), TCH(32,6,6), TCH(64,7,13), TCH(128,9,27) and TCH(256,14,55)#1 for a land mobile satellite channel, where multipath fading and shadowing occur. Performance results are presented for two environments, city and highway. It is shown that, in a highway environment with a small elevation angle, TCH codes with low code ratio do not show significant advantage over TCH codes with greater code ratio for high bit error ratio (BER), mainly, for BER>10(-5). For lower BER, the TCH codes with lower code ratio present the expected gain. These results are explained by the statistical properties of bits in error, such as error bursts size and intervals without errors, as a function of signal-noise ratio.

引用

页码：1675 / 1679

页数：5

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