PERFORMANCE OF A TRELLIS-CODED 16QAM/TDMA SYSTEM FOR LAND MOBILE COMMUNICATIONS

被引：12

作者：

KAMIO, Y ^{[1
]}

SAMPEI, S ^{[1
]}

机构：

[1] OSAKA UNIV,FAC ENGN,SUITA,OSAKA 565,JAPAN

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 1994年 / 43卷 / 03期

关键词：

D O I：

10.1109/25.312794

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：

Trellis-coded 16QAM/TDMA systems are proposed that have a high spectral efficiency and high transmission quality and that can support a wide variety of services. A digital pilot-symbol-aided channel sounding scheme, as well as diversity reception with maximal ratio combining, are used to compensate for fading. To further improve transmission quality, symbol interleaving and two-frequency hopping are used in the trellis-coded 16QAM/TDMA system. Computer simulation demonstrates that the bit error rate (BER) performance and the spectral efficiency of the trellis-coded 16QAM/TDMA cellular system are superior to those of pi/4-QPSK/TDMA used in the American and Japanese digital cellular standards. It is also demonstrated that the trellis-coded 16QAM/TDMA with diversity, symbol interleaving, and frequency hopping can achieve a BER of about 10(-4) if the delay spread is 0.1 T(s).

引用

页码：528 / 536

页数：9

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