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has been cited by the following article:

• TITLE: Employing Power Allocation to Enhance Zero Forcing Scheme Advantages over Multi-Antenna Multiple Relay Networks

  AUTHORS: Abolfazl Falahati, Y. Attar Izi

  KEYWORDS: Cooperative Communication; MIMO; Multiple Antennas Multiple Relay (MAMR) Networks; Zero Forcing; Power Allocation

  JOURNAL NAME: International Journal of Communications, Network and System Sciences, Vol.5 No.11, November 26, 2012

  ABSTRACT: A multi-antenna multiple relay (MAMR) network is considered and a variation of two-hop zero-forcing amplify-forward relaying method is proposed. Deploying ZF method together with application of diagonal power allocation matrices at the relays, it is shown that the overall MAMR network is simplified to M independent single antenna multiple relay (SAMR) networks, where M is the number of source and destination antennas. This enables to incorporate network beamforming proposed for SAMR networks. Accordingly, using the BER as the performance metric, we present simulation results to show the proposed approach outperforms the common ZF method addressed in the literature.