Wireless Personal Communications: An International Journal
A restricted isometry property for structurally-subsampled unitary matrice
Allerton'09 Proceedings of the 47th annual Allerton conference on Communication, control, and computing
Cognitive spatial degrees of freedom estimation via compressive sensing
Proceedings of the 2010 ACM workshop on Cognitive radio networks
EURASIP Journal on Wireless Communications and Networking
A Study of MIMO Gaussian Channels Based on Synergetics
Wireless Personal Communications: An International Journal
Cross-ambiguity function domain multipath channel parameter estimation
Digital Signal Processing
PinPoint: localizing interfering radios
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Detection of sparse targets with structurally perturbed echo dictionaries
Digital Signal Processing
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Essential parameters of physical, propagation-based MIMO channel models are the fading statistics and the directional spread of multipath clusters. In this paper we determine these parameters in the azimuth-of-arrival/azimuth-of-departure (AoA/AoD) domain based on comprehensive indoor MIMO measurements at 5.2 GHz in a cluttered office environment using the SAGE algorithm for parameter estimation. Due to cluster identification in AoA/AoD-domain we found a greater number of clusters than those reported in previous publications. Regarding the fading statistics of clusters, so far not studied, strong (obstructed-)line-of-sight clusters show Rician fading, corresponding to few dominant propagation paths, whereas most clusters exhibit Rayleigh fading, corresponding to many paths with approximately equal powers and uncorrelated phases. Root-mean-square cluster azimuth spreads (CASs) were estimated with a novel method by appropriately restricting the support of the cluster azimuth distribution. We found that the estimated CASs are different when seen from transmitter or receiver, i.e. their ranges are from 2deg to 9deg and from 2deg to 7deg at the transmitter side and the receiver side, respectively