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The 3rd generation partnership project (3GPP) long term evolution (LTE) standard has adopted orthogonal frequency division multiplexing access (OFDMA) in downlink and single carrier frequency division multiple access (SCFDMA) scheme for the uplink transmissions, which utilizes single carrier modulation and frequency domain equalization. In this paper, we proposed a Raised Cosine-like companding scheme...
This paper considers two hop MIMO-OFDM AF relaying systems with separate power constraint at source and relay. In order to maximize the system capacity, the adaptive transmission is realized by two steps of beamforming with equal power and then power allocation. For the limited feedback scenario, we utilize the Grassmannian beamforming codebooks as the source and relay beamforming codebooks and design...
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