19 search results - page 2 / 4 » Time-frequency analysis - G |
GLOBECOM
2007
IEEE
14 years 3 days ago
2007
IEEE
—In this paper, we investigate diversity gain in coding for a 2-user multiple-access-channel (MAC) with cooperating transmitters–the MAC with relaying. We propose a simple dist...
GLOBECOM
2009
IEEE
14 years 16 days ago
2009
IEEE
Abstract—This paper proposes a low-complexity twodimensional channel estimator for MIMO-OFDM systems derived from a time-frequency variant channel estimator previously proposed. ...
ICC
2007
IEEE
14 years 3 days ago
2007
IEEE
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
GLOBECOM
2006
IEEE
13 years 12 months ago
2006
IEEE
— High-rate space-time-frequency block codes (STFBC) are promising for achieving high bandwidth efficiency, low overhead and latency. Recently, a class of low-complexity STFBC m...
TASLP
2010
13 years 4 months ago
2010
Abstract—We present an algorithm for removing timefrequency components, found by a standard Gabor transform, of a “real-world” sound while causing no audible difference to th...