A cross-layer switching of OFDMA and MU-MIMO for future WLAN systems

DOI Web Site 参考文献7件
  • Murakami Tomoki
    NTT Network Innovation Laboratories, Nippon Telegraph and Telephone Corporation
  • Takatori Yasushi
    NTT Network Innovation Laboratories, Nippon Telegraph and Telephone Corporation
  • Mizoguchi Masato
    NTT Network Innovation Laboratories, Nippon Telegraph and Telephone Corporation
  • Maehara Fumiaki
    Graduate School of Fundamental Science and Engineering, Waseda University

抄録

We propose a cross-layer switching method of orthogonal frequency division multiple access (OFDMA) and multiuser multiple input multiple output (MU-MIMO) for the future wireless local area network systems. The proposed method, employed on the medium access control layer, switches between OFDMA and MU-MIMO as the transmission method after processing by using physical layer information such as an overhead of channel state information feedback, station number, and data length in order to improve the transmission efficiency. Simulation results show that the proposed method achieves higher total throughput than conventional OFDMA or MU-MIMO where switching is not performed.

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