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两单播多跳网络的干扰对齐和功率分配方案

DOI: 10.13190/j.jbupt.2015.03.011, PP. 71-76

Keywords: 单播,多跳网络,干扰对齐,功率分配

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Abstract:

针对两单播多跳网络,在存在两个中继端的情况下,研究源端的干扰对齐预编码设计、中继的干扰消除解码和预编码转发设计,以及目的端的干扰消除解码处理.对干扰对齐和解码需满足的约束条件进行分析,给出简化的网络干扰对齐的可行条件.此外,对源端与中继端的功率分配进行优化.最后对干扰对齐的可行性、功率分配的性能进行仿真测试.表明在满足网络对齐约束条件后,干扰对齐可行,并且采用简化迭代注水功率分配算法较采用平均功率分配算法的系统容量有明显提高.

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