691 search results - page 103 / 139 » Communicating Under Channel Uncertainty |
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
This paper is concerned with the efficient transmission of scalable compressed images over lossy communication channels. Recent works have proposed several strategies for assignin...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract—The development and assessment of spectrum management methods for the copper access network are usually conducted under the assumption of accurate channel information. A...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
—We consider the situation where N nodes share a common access point. With each node i there is an associated buffer and channel state that change in time. Node i dynamically cho...
GLOBECOM
2006
IEEE
14 years 4 months ago
2006
IEEE
—The emerging IEEE 802.11e standard is expected to provide service differentiation and resource allocation for realtime traffic. To support the transmission of voice and multime...