Fundamentals of statistical signal processing: estimation theory
Fundamentals of statistical signal processing: estimation theory
Multiuser Detection
Signal Processing Advances in Wireless and Mobile Communications, Volume 1: Trends in Channel Estimation and Equalization
Introduction to Space-Time Wireless Communications
Introduction to Space-Time Wireless Communications
Distributed power and scheduling management for mobile ad hoc networks with delay constraints
MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications
Training Signal Design for Estimation of Correlated MIMO Channels With Colored Interference
IEEE Transactions on Signal Processing
Cross-layer issues in MAC protocol design for MIMO ad hoc networks
IEEE Wireless Communications
Symbol detection in V-BLAST architectures under channel estimation errors
IEEE Transactions on Wireless Communications
Physical layer approximations for cross-layer performance analysis in MIMO-BLAST ad hoc networks
IEEE Transactions on Wireless Communications
Asynchronous Interference Mitigation in Cooperative Base Station Systems
IEEE Transactions on Wireless Communications
MAC/PHY Cross-Layer Design of MIMO Ad Hoc Networks with Layered Multiuser Detection
IEEE Transactions on Wireless Communications - Part 2
IEEE Transactions on Information Theory
Capacity and power allocation for fading MIMO channels with channel estimation error
IEEE Transactions on Information Theory
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In this paper, we evaluate the performance of a Medium Access Control (MAC) protocol for MIMO ad hoc networks under imperfect channel estimation. To this end, we also present an analysis of channel estimation errors using correlator-based and Minimum Mean-Square Error (MMSE) channel estimators. Unlike similar works, we specifically focus on a scenario where the presence of several simultaneous, symbol-asynchronous signals makes the problem more complicated than in traditional channel estimation. In particular, we show that there is direct dependence of the channel estimation error on the instantaneous channel matrix. The model we propose in this paper makes it possible to quickly evaluate the performance of channel estimation schemes as a function of the system parameters. In this light, we include the effect of channel estimation errors in an ad hoc networking protocol simulator and thoroughly evaluate their impact. Our results show that there exists a significant interplay between the performance of MAC protocols for MIMO networks and the accuracy of channel estimation. Moreover, we show that interesting tradeoffs arise between MAC- and physical level-related parameters.