Wireless channel estimation method for ufmc system based on compressed sensing and high-speed mobility
A compressed sensing and wireless channel technology, applied in the baseband system, channel estimation, baseband system components, etc., can solve the problems of vehicle-mounted fast time-varying channel estimation quality loss, obvious problems, etc.
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[0100] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0101] A wireless channel estimation method for a UFMC system based on compressed sensing and high-speed movement, comprising the following steps:
[0102] (1) Establish a system model, analyze the Universal Filtered Multicarrier (UFMC) system parameters inserted into the PN sequence, and determine the transmission and reception signal model in the multipath channel;
[0103] (2) Analyze the time-correlation characteristics and sparse characteristics of the multipath channel;
[0104] (3) Carry out rough channel estimation based on PN sequence autocorrelation;
[0105] (4) Carry out accurate estimation of channel delay position based on compressed sensing algorithm;
[0106] (5) Carry out accurate estimation of the channel amplitude value of the least square (least square, LS) algorithm;
[0107] (6) Analysis of performance and simulatio...
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