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- W2775579224 abstract "Abstract Relative Delay estimation is an important issue for asynchronous physical layer network coding (PLNC). In this paper, an fast Fourier transform (FFT) based channel and delay estimation method for asynchronous PLNC is proposed. The extended properties of discrete Fourier transform are exploited to design the pilots, which makes the pilots from different nodes orthogonal in frequency domain. Then channels between relay and different terminal nodes are estimated separately in frequency domain. Finally, after inverse FFT, the relative delay is extracted from the estimated time domain channel information. Compared with the existing approaches, the proposed method can achieve almost the same performance, but with significant improvement in computational complexity." @default.
- W2775579224 created "2017-12-22" @default.
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- W2775579224 date "2018-04-01" @default.
- W2775579224 modified "2023-10-17" @default.
- W2775579224 title "Channel and delay estimation for asynchronous physical layer network coding" @default.
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- W2775579224 doi "https://doi.org/10.1016/j.aeue.2017.12.010" @default.
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