Robust multicast beamforming for spectrum sharing-based cognitive radios

IEEE Transactions on Signal Processing

Volumn 60, Issue 1, 2012, Pages 527-533

  Huang, Yongwei ^a   Li, Qiang ^b   Ma, Wing Kin ^b   Zhang, Shuzhong ^c  

^a HONG KONG BAPTIST UNIVERSITY   (Hong Kong)

^b CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

^c UNIVERSITY OF MINNESOTA   (United States)

Author keywords

Imperfect channel state information; MIMO cognitive radio networks; robust multicast beamforming; semidefinite programming relaxation; spectrum sharing

Indexed keywords

COGNITIVE RADIO; CONVEX OPTIMIZATION TECHNIQUES; DOWNLINK BEAM-FORMING; GLOBAL OPTIMALITY; IMPERFECT CHANNEL STATE INFORMATION; INTERFERENCE TEMPERATURE; MULTICAST TRANSMISSIONS; MULTICASTS; NONCONVEX; OPTIMIZATION PROBLEMS; PERFORMANCE GAIN; QUADRATICALLY-CONSTRAINED QUADRATIC PROGRAMS; RANDOMIZED APPROXIMATION; ROBUST BEAMFORMING; ROBUST DESIGNS; SEMIDEFINITE PROGRAMMING RELAXATIONS; SPECTRUM SHARING; TRANSMIT POWER;

BEAMFORMING; CHANNEL STATE INFORMATION; CONVEX OPTIMIZATION; MIMO SYSTEMS; MULTICASTING; OPTIMIZATION; QUALITY OF SERVICE; RADIO BROADCASTING; RADIO SYSTEMS; RADIO TRANSMISSION;

APPROXIMATION ALGORITHMS;

EID: 84555197052     PISSN: 1053587X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TSP.2011.2169061     Document Type: Article

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