3 papers
cs.IT2013
Variable Earns Profit: Improved Adaptive Channel Estimation using Sparse VSS-NLMS Algorithms
Guan Gui, Linglong Dai, Shinya Kumagai +1
Accurate channel estimation is essential for broadband wireless communications. As wireless channels often exhibit sparse structure, the adaptive sparse channel estimation algorith…
cs.IT2013
Variable is Better Than Invariable: Stable Sparse VSS-NLMS Algorithms with Application to Estimating MIMO Channels
Guan Gui, Shinya kumagai, Fumiyuki Adachi
To estimate multiple-input multiple-output (MIMO) channels, invariable step-size normalized least mean square (ISSNLMS) algorithm was applied to adaptive channel estimation (ACE).…
cs.IT2013
Two are Better Than One: Adaptive Sparse System Identification using Affine Combination of Two Sparse Adaptive Filters
Guan Gui, Shinya Kumagai, Abolfazl Mehbodniya +1
Sparse system identification problems often exist in many applications, such as echo interference cancellation, sparse channel estimation, and adaptive beamforming. One of popular…