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为了研究采用瑞德 -索洛蒙 ( RS)编码和扩频技术的无线通信网抗衰落能力 ,对 RS编码的 DS- SFH/SSMA分组交换网络在多径衰落下的性能进行了精确估计 ,比较了不同系统在多径衰落下的吞吐量性能。将扩频技术应用到无线数据网中提高了网络的抗衰落能力。研究表明在总的扩频比一定的情况下 ,通过适当的选择扩频因子和跳频点数可优化系统性能 ;应用 RS编码技术 ,系统的吞吐率得到了很大的改善 ,在一定的负荷范围内 ,采用编码的系统至少获得了 6d B的增益。
In order to study the anti-fading capability of wireless communication networks using Reed-Solomon (RS) coding and spreading techniques, the performance of RS-coded DS-SFH / SSMA packet-switched networks under multi-path fading is accurately estimated. The throughput performance of different systems under multipath fading. The spread spectrum technology applied to the wireless data network to improve the network’s anti-fading ability. The research shows that the system performance can be optimized by choosing appropriate spreading factor and frequency hopping points under the condition of certain total spreading ratio. By using RS encoding technology, the system throughput rate has been greatly improved. Under a certain load range Within the system using the code obtained at least 6d B gain.