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2D-DPSK for quasi-diffuse pixelated wireless optical channels

机译:2D-DPSK用于准漫射像素化无线光学通道

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A low complexity two-dimensional differential phase shift keying scheme is proposed to alleviate the effect of the phase offsets due to corner-detection errors and low-pass spatial distortion for quasi-diffuse pixelated wireless optical channels. Simulation results show that performance degradation of the proposed scheme is less than 3dB from the traditional spatial discrete multitone modulation (SDMT) with perfect equalization. Compared with traditional SDMT with ZF equalization, complexity and resource consumptions are reduced without performance loss. Furthermore, the proposed scheme is more robust to corner-detection errors than traditional SDMT.
机译:提出了一种低复杂性二维差分相移键控方案,以减轻由于角探测误差和用于准漫射像素化无线光学信道的低通空间失真的阶段偏移的效果。仿真结果表明,所提出的方案的性能下降小于来自传统空间离散多音响调制(SDMT)的3DB,具有完美均衡。与传统的SDMT与ZF均衡相比,复杂性和资源消耗无效损失。此外,所提出的方案比传统的SDMT更强大到角落检测误差。

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