陆地移动无线信道TDMA通信系统的双向均衡技术

IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record Pub Date : 1991-12-02 DOI:10.1109/GLOCOM.1991.188610

Y. Liu

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引用次数: 17

摘要

提出了一种利用时分多址(TDMA)系统相邻时隙中的信息估计时隙内深衰落位置的自适应均衡技术。其目的是改善随时间变化的陆地移动无线电信道的整体数字传输系统性能。研究了该技术在拟议的北美电信工业协会数字蜂窝标准(is -54)中的应用。仿真结果表明，在没有分集、复杂度极低的情况下，仅需要16 dB (E/sub //N/sub 0/)的信噪比就能达到is -54的性能要求，在E/sub //N/sub 0/ = 22 dB、车速为60 mph时，误码率为3%。

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Bi-directional equalization technique for TDMA communication systems over land mobile radio channels

An adaptive equalization technique which uses information in the adjacent time slot in a time-division multiple access (TDMA) system and is able to estimate the location of a deep fade within a time slot is proposed. The aim is to improve the overall digital transmission system performance over time varying land mobile radio channels. Application of the technique to the proposed Telecommunications Industry Association Northern American digital cellular standards (IS-54) is investigated. The simulation results show that without diversity and with very low complexity, a signal to noise power ratio of only 16 dB (E/sub s//N/sub 0/), which is 6-dB lower than the specification, is needed to achieve the performance requirement of IS-54, 3% bit error rate at E/sub s//N/sub 0/ equal to 22 dB and vehicle speed equal to 60 mph.<>

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IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record

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