207 search results - page 23 / 42 » Digitizing of UWB signals based on frequency channelization |
CORR
2007
Springer
14 years 9 months ago
2007
Springer
Abstract— A power optimal scheduling algorithm that guarantees desired throughput and bounded delay to each user is developed for fading multi-access multi-band channels that can...
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...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
— This paper develops a mechanism for detecting session hijacking attacks in wireless networks. The proposed scheme is based on detecting abrupt changes in the strength of the re...
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
—Transmitter-based signal pre-processing is investigated for the two-dimensional (2-D) OFDM-CDMA (orthogonal frequency division multiplexing, code division multiple access) forwa...
91
Voted
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper proposes a pilot-aided joint channel estimation and synchronization scheme for burst-mode orthogonal frequency division multiplexing (OFDM) systems. The scheme eliminate...