369 search results - page 62 / 74 » A Distributed Opportunistic Access Scheme for OFDMA Systems |
HICSS
2003
IEEE
15 years 2 months ago
2003
IEEE
Digital watermarking is a promising technology to embed copyright information as unperceivable signals in digital contents. Although various watermarking techniques have been empl...
ICDCS
2003
IEEE
15 years 2 months ago
2003
IEEE
In a system proposed by Plaxton, Rajaraman and Richa (PRR), the expected cost of accessing a replicated object was proved to be asymptotically optimal for a static set of nodes an...
TWC
2008
14 years 9 months ago
2008
Ultra-wideband (UWB) communication is envisaged to be deployed in indoor environments, where the noise distribution is decidedly non-Gaussian. A critical challenge for impulse radi...
MSWIM
2005
ACM
15 years 3 months ago
2005
ACM
A number of analytical models have been proposed to describe the priority schemes of the Enhanced Distributed Channel Access (EDCA) mechanism of the IEEE 802.11e standard. EDCA pr...
ISORC
2005
IEEE
15 years 3 months ago
2005
IEEE
Transcoding is an important technology which adapts the same multimedia object to diverse mobile appliances; thus, users’ requests for a specified version of a multimedia objec...