Capacity Enhanced Transmission for the MIMO Relay Channel

Abstract:

For the classic three-node multiple-input multiple-output (MIMO) relay channel, a capacity enhanced transmission is proposed, using simple half-duplex tow-hop relaying based on symbol level decode-and-forward (DF) mode. For higher capacity to the destination, we assume the source node equipped with more antennas and propose the transmission strategy, where using channel precoding, the source transmits the data to the relay and destination respectively in the first hop and retransmits part of data to destination jointly with relay in the second hop. Additionally, the power allocation is designed to maximize the system capacity. Simulation results are then presented for illustration of the capacity enhancement.

• Periodical: Advanced Materials Research (Volumes 225-226)
• Pages: 1225-1229
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.225-226.1225
• Online since: April 2011
• Authors: Rui Zhe Yang, Li Zhang, Peng Bo Si, Zhi Kun Song, Yan Hua Zhang
• Keywords: Cooperative, MIMO, Power Allocation, Precoding, Relay

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