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159
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TSP
2010
15 years 2 months ago
2010
Using the subband technique, an LTI system can be implemented by the composition of an analysis filterbank, followed by a transfer matrix (subband model) and a synthesis filterbank...
216
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TSP
2010
15 years 2 months ago
2010
Abstract--This paper addresses pilot-assisted channel estimation for wireless orthogonal frequency division multiplexing (OFDM) systems with irregular pilot arrangements. Using non...
181
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
We propose a compressive method for tracking doubly selective channels within multicarrier systems, including OFDM systems. Using the recently introduced concept of modified comp...
196
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
This paper presents an analytical investigation on the performance of optimal beamforming scheme in multiple-input multiple-output dual-hop amplify-and-forward systems. We first ...
188
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
Consider a flat-fading Multiple-Input Multiple-Output (MIMO) system. The near-optimum detection problematic has been shown to be efficiently solved through QR Decomposition (QRD...