70 search results - page 10 / 14 » Energy-aware adaptive OFDM systems |
TCOM
2008
13 years 7 months ago
2008
Abstract--We investigate a new approach to uplink communications in wideband outdoor cellular systems that can take advantage of multiple antennas at the base station in a scalable...
TSP
2008
13 years 7 months ago
2008
Sign-selection uses a set of subcarrier signs to reduce the peak-to-average power ratio (PAR) of orthogonal-frequency-division multiplexing (OFDM). However, the computational compl...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract—With the proliferation of wireless multimedia applications, multicast/broadcast has been recognized as an efficient technique to transmit a large volume of data to mult...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract—In this paper we present reduced-complexity highperformance receivers for single-user MIMO systems that employ coded OFDM transmission with bit-interleaved coded modulat...
TCSV
2002
13 years 7 months ago
2002
A range of adaptive orthogonal frequency division multiplex (AOFDM) video systems are proposed for interactive communications over wireless channels. The proposed constant target b...