112 search results - page 15 / 23 » Adaptive Bandwidth Allocation Scheme for Cognitive Radios |
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
Efficient resource allocation in cellular OFDMA systems envisages the assignment of the number of subcarriers and the relative transmission format on the basis of the experimented ...
VTC
2007
IEEE
15 years 3 months ago
2007
IEEE
— With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilization by letting users sense and utilize available spec...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
—This paper aims to address the problem of inter-cell interference fluctuation, which is inherent on the uplink direction of future cellular systems employing OFDMA or single car...
WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
Abstract—In cognitive mobile multihop relay (CMMR) network, the mobile user as the primary user is allocated with the channel for transmitting data. Relay station as the secondar...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
—In this paper, we propose a new streaming protocol, namely Dynamic Video Rate Control (DVRC), which enables adaptive video delivery over the Internet. DVRC operates on top of UD...