Less complex MIMO-FBMC system data transceiving method and device
A technology of MIMO-FBMC and system data, applied in transmission system, baseband system, multi-frequency code system, etc., to achieve the effect of simplifying the MIMO demodulation process, increasing the rate, and offsetting the loss of rate adjustment
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[0054] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings.
[0055] Such as figure 1 As shown, a low-complexity MIMO-FBMC system data transmission method disclosed in the embodiment of the present invention mainly includes the following steps:
[0056] (1) MIMO splitting: divide the input bit stream according to the number of MIMO transmit antennas N ss assigned to N ss The MIMO system discussed here is a single-user multi-antenna system, and the transmitting and receiving antennas are all N ss .
[0057] (2) Parallel QAM modulation: According to the overlapping factor K of the prototype filter designed in the FBMC system by the Cognitive Wireless Physical Layer (PHYDAYS) project, the bit data on each antenna is subjected to M-order QAM modulation in K-way parallel mode, and then mapped to subcarriers for transmission. Assuming that the bit length of the input data is L, and the number of subcarriers is...
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