基于B-、Q-和D-PSK调制的分组交换混合DS/SFH CDMA网络

R. Prasad, R.G.A. Rooimans, L. Vandendorpe, F. Çakmak
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引用次数: 3

摘要

本文研究了基于Q、B、D-PSK调制的直接序列(DS)/慢跳频(SFH)混合扩频多址(SS MA)技术的分组交换CDMA网络的吞吐量和时延分析。我们考虑了多径和多址干扰,并认为室内无线电信道属于慢速衰落类型。对给定的比特率、延迟扩展和带宽进行性能评估。研究了前向纠错(FEC)和分集技术(如选择分集和最大比组合)对系统性能的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Packet-switched hybrid DS/SFH CDMA network with B-, Q- and D-PSK modulation in an indoor Rician fading environment
This paper presents the throughput and delay analysis of a packet-switched CDMA network based on the hybrid direct sequence (DS)/slow frequency hopping (SFH) spread-spectrum multiple-access (SS MA) technique with Q-, B- and D-PSK modulation. We consider multipath and multiple access interference and we consider the indoor radio channel to be of the slow Rician fading type. The performance is evaluated for a given bit rate, delay spread and bandwidth. The effect of forward error correction (FEC) and diversity techniques, such as selection diversity and maximal ratio combining on the performance is also investigated.
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