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ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING SYSTEM CAPABLE OF OPTIMIZING CHANNEL ESTIMATION AND METHOD FOR OPTIMIZING CHANNEL ESTIMATION FOR ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING SYSTEM
ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING SYSTEM CAPABLE OF OPTIMIZING CHANNEL ESTIMATION AND METHOD FOR OPTIMIZING CHANNEL ESTIMATION FOR ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING SYSTEM
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机译:能够优化信道估计的正交频分复用系统和优化信道估计的正交频分复用系统方法
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摘要
The present invention discloses a channel estimation method for an orthogonal frequency-division multiplexing system with cyclic-delay diversity. The method makes pilots have the same amplitude and equally partitions the pilots into a number of pilot groups. In addition, the method equally spaces the pilots of each group in a frequency domain and determines the pilot locations and cyclic-delay coefficient of each pilot group in order to optimize the channel estimation of a receiver. The method can perform the channel estimation by using just one OFDM symbol.
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