102 search results - page 7 / 21 » Frequency domain channel estimation for cooperative communic... |
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper proposes two frequency offset estimation algorithms for the uplink of an Interleaved Frequency-Division Multiple-Access (IFDMA) system. One algorithm performs estima...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
Orthogonal frequency division multiplexing (OFDM) system suffers extra performance degradation in fast fading channel due to intercarrier interference (ICI). Combing frequency dom...
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, a novel Kalman filter-based power allocation scheme is developed for cooperative networks with inaccurate channel state information (CSI). The channel estimation err...
ICC
2007
IEEE
14 years 2 months 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...