Adaptive antenna array interference mitigation diversity for decentralized dynamic spectrum allocation in license-exempt spectrum

Authors:
Alexandr M. Kuzminskiy;Yuri I. Abramovich
Affiliations:
Bell Laboratories, Alcatel-Lucent, The Quadrant, Swindon, UK;Defence Science and Technology Organization, Edinburgh, SA, Australia
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

Citing 2
Cited 1

Decentralized dynamic spectrum allocation based on adaptive antenna array interference mitigation diversity: Algorithms and Markov chain analysis

ICASSP '09 Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing
Performance of distributed dynamic frequency selection schemes for interference reducing networks

MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications

Decentralized dynamic spectrum allocation based on adaptive antenna array interference mitigation diversity

IEEE Transactions on Signal Processing

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Abstract

Decentralized dynamic spectrum allocation (DSA) that exploit adaptive antenna array interference mitigation (IM) diversity at the receiver, is proposed for interference-limited environments with high level of frequency reuse. The system consists of base stations (BSs) that may belong to different providers in license-exempt spectrum, who can optimize uplink frequency allocation to their subscriber stations (SSs) to achieve the least impact of IM on the useful signal, assuming no control over band allocation of other BSs sharing the same bands. The IM-based DSA algorithms based on a "good neighbor" decentralized DSA strategies are proposed. The new strategy introduces controllable behavior of decentralized networks, which promises a practical perspective for IM-based DSA algorithms even without guarantee of the network convergence to stationary points.