Millimeter waves indoor communication system capable of flexibly configuring guard interval
A technology of guard interval and indoor communication, applied in the field of communication systems, can solve the problems of increasing the data processing delay of a single-carrier communication system, and can not use channel estimation, etc., to reduce the data processing delay, improve communication performance, high transmission performance and The effect of transmission efficiency
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[0017] The present invention will be further described below in conjunction with the accompanying drawings.
[0018] A typical millimeter wave wireless communication system transmitter such as figure 1 As shown, the present invention proposes to use a pseudo-random sequence to replace the data cyclic prefix of a single-carrier communication system, and the signal format is as follows figure 2 As shown, N+M=2^K in the figure, so that the FFT / IFFT of 2^K points can be used, wherein N, M, and K are all positive integers. The pseudo-random sequence can adopt Zero Correlation Zone sequence, M sequence, Golay sequence and the like. The pseudo-random sequences before and after the data blocks of N single carrier symbols are the same, so a cyclic prefix is also formed, so that frequency domain channel estimation and equalization techniques can be used. Compared with the single-carrier system using the data cyclic prefix, the transmitter using this format can avoid buffering data ...
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