149 search results - page 11 / 30 » On Signal Processing Methods for MIMO Relay Architectures |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
We propose an algorithm (SCS-FRI) to estimate multipath channels with Sparse Common Support (SCS) based on Finite Rate of Innovation (FRI) sampling. In this setup, theoretical low...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper describes a new approximate maximum-likelihood (ML) MIMO detection approach by studying a Lagrangian dual relaxation (LDR) of ML. Unlike many existing relaxed ML method...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper addresses the problem of beamforming (BF) design for orthogonal frequency division multiplexing (OFDM) based relay networks over frequency-selective channels. Both freq...
TVLSI
2010
14 years 4 months ago
2010
It has been recently demonstrated that digital signal processing systems may possibly leverage unconventional voltage overscaling (VOS) to reduce energy consumption while maintaini...
77
Voted
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
— In this paper, we propose a two-step precoding approach for multiple-input multiple-output (MIMO) systems by dividing the precoding process into two steps: spatial multiplexing...