Orthogonal signal division multiplexing equalization method based on diagonal block strip matrix enhancement
A strip matrix, equalization method technology, applied in baseband systems, baseband system components, shaping networks in transmitters/receivers, etc. The effect of error performance, performance loss reduction, and computational cost reduction
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[0019] The present invention studies the OSDM channel matrix structure under the condition of time-varying multipath dual-selective fading channel, and designs a low-complexity matrix enhancement based on Diagonal-Block-Banded (DBB) matrix accordingly. Channel equalization algorithm. Finally, the performance of the proposed OSDM equalization method is evaluated by numerical simulation, and its effectiveness in time-varying channels is verified.
[0020] The OFDM wireless communication equalization method based on DBB matrix enhancement provided by the present invention comprises the following steps: (1) adopting a time-varying channel OSDM system model, and obtaining received signals through research on composite channel matrix; (2) based on The band-limited Doppler extension completes the DBB approximation of the composite channel matrix in the received signal; (3) based on the time-domain receiving window function, the DBB approximate structure in the received signal is enha...
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