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CISS
2008
IEEE
15 years 4 months ago
Robust cognitive beamforming with partial channel state information
Lan Zhang, Ying-Chang Liang, Yan Xin
ICASSP
2011
IEEE
14 years 1 months ago
Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
TSP
2012
13 years 5 months ago
Robust Multicast Beamforming for Spectrum Sharing-Based Cognitive Radios
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
ICASSP
2011
IEEE
14 years 1 months ago
Robust SINR-constrained MISO downlink beamforming: When is semidefinite programming relaxation tight?
We consider the robust beamforming problem under imperfect channel state information (CSI) subject to SINR constraints in a downlink multiuser MISO system. One popular approach to...
Enbin Song, Qingjiang Shi, Maziar Sanjabi, Ruoyu S...
VTC
2008
IEEE
123views Communications» more  VTC 2008»
15 years 4 months ago
Cooperative Transmission with Partial Channel Information in Multi-User MISO Wireless Systems
- In this paper, we consider novel cooperative transmission from multiple base stations in multi-user wireless systems. The proposed scheme generates multiple beams using partial c...
Keon-Wook Lee, Yong-Hwan Lee