A Synchronization Method Applicable to the Design of Synchronization Symbols for Universal Filtered Multicarrier Waveforms
A synchronization symbol, multi-carrier technology, applied in multiplexing communications, time division multiplexing systems, electrical components, etc., to solve problems such as large interference and reduced accuracy
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[0023] The technical solution of the present invention will be further introduced below in combination with specific embodiments.
[0024] Firstly, the traditional synchronous symbol generation method is introduced.
[0025] Assume that a general filter multi-carrier (general filter multi-carrier) system contains N subcarriers, and the coefficient of the filter is f=[f(0),f(1),...,f(L-1)], where L Indicates the length of the filter. After the inverse Fourier transform (IDFT) of N points, the time domain signal s=[s(0),s(1),…,s(N-1)] is obtained T for:
[0026] s = DS (3)
[0027] In formula (3), D is an N×N-dimensional energy-normalized IDFT matrix, and the elements of its i-th row and n-th column are S=[S(0),S(1),...,S(N-1)] T Represents the modulation symbol in the frequency domain. Define a (N+L-1)×N-dimensional complex Toeplitz matrix F, whose first column is The first line is [f(0),0 1×(N-1) ] T , then the transmitted signal of general filter multi-carrier can ...
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