235 search results - page 41 / 47 » Rate and Power Allocation in Fading Multiple Access Channels |
JSAC
2011
12 years 10 months ago
2011
—We consider a communication channel with two transmitters and one receiver, with an underlying rate region which is approximated as a general pentagon. Different from the Gaussi...
COMCOM
2004
13 years 7 months ago
2004
Orthogonal variable spreading factor (OVSF) codes have been proposed as the channelization codes used in the wideband CDMA access technology of IMT-2000. OVSF codes have the advant...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Adaptive orthogonal frequency division multiple access (OFDMA) has recently been recognized as a promising technique for providing high spectral efficiency in future broadband wire...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
—We present a distributed algorithm for allocating power among multiple interfering transmitters in a wireless network using Orthogonal Frequency Division Multiplexing (OFDM). Th...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...