Accurate Simulation of multiple cross-correlated Rician fading channels
Accurate Simulation of multiple cross-correlated Rician fading channels
复制标题
多个互相关莱斯衰落信道的精确模拟
DOI：
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发表时间：
2004
影响因子：
8.3
通讯作者：
N. Beaulieu
中科院分区：
文献类型：
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作者：
K. E. Baddour;N. Beaulieu
研究了多个互相关莱斯衰落信道的计算机产生。我们证明了现有的多信道衰落模拟器的输出序列被限制为具有互相关统计，具有相同的功能形式的分量自相关函数。为了克服这一限制，向量自回归随机模型提出了指定的可实现的自相关和互相关统计的多个莱斯衰落过程的生成。这种能力是可取的，例如，允许现实的性能评估的空间-时间调制解调器的设计，使仿真的空间-时间-选择性的无线信道模型。一些带限多通道瑞利和莱斯过程的精确合成的模拟方法的效用证明。
The computer generation of multiple cross-correlated Rician fading channels is investigated. We prove that the output sequences of existing multichannel fading simulators are restricted to have cross-correlation statistics that have the same functional form as the component autocorrelation functions. To overcome this limitation, vector autoregressive stochastic models are proposed for the generation of multiple Rician fading processes with specified realizable autocorrelation and cross-correlation statistics. This capability is desirable, for example, to permit realistic performance assessments of space-time modem designs by enabling the simulation of space-time-selective wireless channel models. The utility of the simulation approach is demonstrated by the accurate synthesis of some bandlimited multichannel Rayleigh and Rician processes.