Title :
Optimal Power Allocation for MIMO Fully Cooperative Relay Broadcast Channels
Author :
Farazi, Shahab ; Kahaei, Mohammad Hossein
Author_Institution :
Signal & Syst. Modeling Lab., Iran Univ. of Sci. & Technol., Tehran, Iran
Abstract :
We investigate a multiple input multiple output (MIMO) relay broadcast channel (RBC) with fully cooperation between users. A beamforming and combining design is proposed based on singular value decomposition (SVD) of the channel matrix between users. Then, users can simultaneously relay each other´s information on the same frequency band with zero interference from each antenna´s transmit signal on its received signal. Also, two optimal closed-form solutions are derived for power allocation (PA) under both total power and individual power constraints.
Keywords :
MIMO communication; array signal processing; relay networks (telecommunication); singular value decomposition; MIMO fully cooperative relay broadcast channels; RBC; SVD; beamforming design; channel matrix; combining design; individual power constraints; multiple input multiple output relay broadcast channel; optimal power allocation; singular value decomposition; total power constraints; zero interference; Array signal processing; Diversity reception; MIMO; Relays; Resource management; Transmitting antennas; Vectors; Cooperative relay broadcast channel; beamforming; full-duplex communication; power allocation;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2013.112513.131536
