文件名称:Mod-CS-chann-track
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We propose a compressive method for tracking doubly selective
channels within multicarrier systems, including OFDMsystems. Using
the recently introduced concept of modified compressed sensing
(MOD-CS), the sequential delay-Doppler sparsity of the channel is
exploited to improve estimation performance through a recursive estimation
mode. The proposed compressive channel tracking algorithm
uses a MOD-CS version of OMP with reduced complexity.
Simulation results demonstrate substantial performance gains over
conventional compressive channel estimation
channels within multicarrier systems, including OFDMsystems. Using
the recently introduced concept of modified compressed sensing
(MOD-CS), the sequential delay-Doppler sparsity of the channel is
exploited to improve estimation performance through a recursive estimation
mode. The proposed compressive channel tracking algorithm
uses a MOD-CS version of OMP with reduced complexity.
Simulation results demonstrate substantial performance gains over
conventional compressive channel estimation
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Mod-CS-chann-track.pdf