Cluster Angular Spread Estimation for MIMO Indoor Environments
نویسندگان
چکیده
An important parameter of MIMO channel models is the cluster root-mean-square (rms) directional spread. We introduce a novel method to estimate cluster rms spreads from measurements. We use the SAGE algorithm to extract propagation paths, from which we define clusters in the angular domain, and subsequently estimate the cluster spreads based solely on propagation paths within the clusters. To check the accuracy, we applied our estimator on synthetic scenarios with known angular spread values. We find that the estimator is approximately unbiased, and provides consistent estimates with insignificant errors.
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