231 search results - page 15 / 47 » Effects of Channel Estimation Errors on V-BLAST Detection |
TWC
2008
14 years 9 months ago
2008
In ultra-wideband (UWB) communications, the typical signal propagation through dense multipath fading offers potentially very large multipath diversity, but at the same time compl...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— In this paper, we consider the problem of blind channel estimation for multi-input, multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems via second ord...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
—The time-varying nature of wireless channels poses a challenge for using soft-decision iterative decoders on such channels. Even if the channel gain is perfectly known to the re...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— Decision directed channel tracking (DDCT) at high fade rates in OFDM based systems is addressed in this paper. Existing DDCT algorithms like the expectation-maximization (EM) a...