21 search results - page 3 / 5 » Max-matching diversity in OFDMA systems |
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract— In this paper, we propose a distributed opportunistic access scheme for uplink OFDMA systems. The sub-carriers are grouped into several sub-channels. Users access these...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
— In OFDMA systems, channel quality information (CQI) feedback is used to determine the modulation and coding level of a mobile station (MS). When the MS uses diversity, it trans...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequency-division mult...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
WCNC
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—We tackle the problem of providing minimum datarate guarantees for different classes-of-service in an OFDMAbased network, while obtaining a high system throughput. Our a...