FDMA/TDMA数字移动无线电系统中相邻信道信号的连续消去

VTC '98. 48th IEEE Vehicular Technology Conference. Pathway to Global Wireless Revolution (Cat. No.98CH36151) Pub Date : 1998-05-18 DOI:10.1109/VETEC.1998.686050

H. Arslan, S.C. Gupta, G. Bottomley, S. Chennakeshu

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引用次数: 14

摘要

通过设计具有抗干扰能力的数字接收机，可以提高移动无线电系统的容量和信号质量。在FDMA/TDMA移动无线电系统中，研制了一种基于相邻信道干扰逐次消除的相干MLSE接收机。所提出的技术需要估计所需通道和相邻通道的脉冲响应，这些是通过采用脉冲整形信息和频带外推的新方法获得的。对GSM数字蜂窝系统在瑞利衰落和瑞利衰落下的接收机进行了仿真。结果表明，在干扰有限的环境下，误码率有了很大的提高。

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Successive cancellation of adjacent channel signals in FDMA/TDMA digital mobile radio systems

Capacity and signal quality can be improved in mobile radio systems by designing digital receivers with interference mitigation capability. In this paper, coherent MLSE receivers based on successive cancellation of adjacent channel interference in FDMA/TDMA mobile radio systems are developed. The proposed technique requires estimation of impulse response of the desired and adjacent channels, these are obtained via a novel approach employing pulse shaping information and band extrapolation. The receiver is simulated for the GSM digital cellular system under Rayleigh and Rician fading. The results show substantial improvements in bit error rate in interference limited environments.

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VTC '98. 48th IEEE Vehicular Technology Conference. Pathway to Global Wireless Revolution (Cat. No.98CH36151)

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