ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Content Delivery Overlays improves end-user performance by replicating Web contents on a group of geographically distributed sites interconnected over the Internet. However, wi...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— The main task in OFDM downlink scheduling design is to maximize some kind of utility considering user specific as well as system induced constraints. A typical example is the ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Many network operators offer some type of tiered service, in which users may select only from a small set of service levels (tiers). In this work, we study the problem of desig...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— In bit interleaved coded modulation (BICM), the probability density function (PDF) of the reliability metrics (Lvalues) fully defines the BICM transmission and may be used to ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
In contention-based sensor networks, nodes compete to access a shared channel for data transmission and collision is a common challenge. For power conservation, periodical active/s...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Cooperative relaying is a promising alternative for conventional mobile communications systems as it is able to increase coverage and throughput of these systems. Due to practi...