| 摘要 |
Channel estimation is performed using side information. A signal transmitted over a radio channel includes side information corresponding to a first predetermined signal and a second predetermined signal. The first predetermined signal is different from the second predetermined signal. An estimate of the radio channel is determined using both the first predetermined signal and the second predetermined signal. Using multiple sources of side information improves the accuracy and the efficiency of the channel estimation. One example application is Orthogonal Frequency Division Multiplexing based communications systems.
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