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ICASSP
2008
IEEE
14 years 1 months ago
Non-iterative multiuser MIMO coordinated beamforming with limited feedforward
This paper proposes non-iterative coordinated beamforming algorithms for a multiuser MIMO (multiple input multiple output) system with multiple antennas at the transmitter and mul...
Chan-Byoung Chae, Takao Inoue, Robert W. Heath Jr....
ICC
2008
IEEE
136views Communications» more  ICC 2008»
14 years 1 months ago
New Beamforming Schemes with Optimum Receive Combining for Multiuser MIMO systems
— In this paper, we present a new beamforming scheme for a downlink of multiuser multiple-input multipleoutput (MIMO) communication systems. Recently, a blockdiagonalization (BD)...
Sang-Rim Lee, Seokhwan Park, Sung Hyun Moon, Inkyu...
TSP
2008
115views more  TSP 2008»
13 years 7 months ago
Approximation Bounds for Semidefinite Relaxation of Max-Min-Fair Multicast Transmit Beamforming Problem
Consider a downlink multicast scenario where a base station equipped with multiple antennas wishes to simultaneously broadcast a number of signals to some given groups of users ove...
Tsung-Hui Chang, Zhi-Quan Luo, Chong-Yung Chi
ICC
2008
IEEE
150views Communications» more  ICC 2008»
14 years 1 months ago
Multi-User Diversity vs. Accurate Channel Feedback for MIMO Broadcast Channels
— A multiple transmit antenna, single receive antenna (per receiver) downlink channel with limited channel feedback is considered. Given a constraint on the total system-wide cha...
Niranjay Ravindran, Nihar Jindal
CORR
2006
Springer
102views Education» more  CORR 2006»
13 years 7 months ago
On the User Selection for MIMO Broadcast Channels
1 In this paper, we consider a downlink communication system, in which a base station (BS) equipped with M antennas communicates with N users each equipped with K receive antennas....
Alireza Bayesteh, Amir K. Khandani