15 search results - page 2 / 3 » Flow-level performance of opportunistic OFDM-TDMA and OFDMA ... |
JSAC
2007
13 years 7 months ago
2007
Abstract— Performance analysis of multiuser orthogonal frequency division multiplexing (OFDM-TDMA) and orthogonal frequency division multiple access (OFDMA) networks in support o...
JSAC
2008
13 years 7 months ago
2008
Abstract--Optimal tone allocation in downlink OFDMA networks is a non-convex NP-hard problem that requires extensive feedback for channel information. In this paper, two constantco...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— A distributed medium access control (MAC) algorithm for uplink OFDMA networks under the IEEE 802.16 framework is proposed and analyzed in this work. We present a simple...
WCNC
2008
IEEE
14 years 2 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...
TWC
2010
13 years 2 months ago
2010
Abstract-- Relaying and orthogonal frequency division multiple access (OFDMA) are the accepted technologies for emerging wireless communications standards. The activities in many w...