12 search results - page 2 / 3 » A Low-Complexity Iterative Power Allocation Scheme for Multi... |
TWC
2008
13 years 4 months ago
2008
Abstract-- Most existing work on adaptive allocation of subcarriers and power in multiuser OFDM systems has focused on homogeneous traffic consisting of delay-constrained data (gua...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
— Peak-to-Average Power Ratio (PAPR) reduction in multicarrier systems with multiple transmit and receive antennas is considered. One attractive method for reducing the PAPR is t...
VTC
2006
IEEE
13 years 11 months ago
2006
IEEE
— In this paper, we investigate the adaptive resource allocation problem in multiuser multihop OFDM systems. Assuming that base station(BS) knows all channel information, we form...
TSP
2010
12 years 11 months ago
2010
Resource allocation problems in multi-user systems, modeled as Nash bargaining (NB) cooperative games, are investigated under different constraints. Using the joint time division m...