Sciweavers

ICC
2007
IEEE
144views Communications» more  ICC 2007»
14 years 6 months ago
Modelling Interference Temperature Constraints for Spectrum Access in Cognitive Radio Networks
— 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...
Joe Bater, Hwee Pink Tan, Kenneth N. Brown, Linda ...
ICC
2007
IEEE
111views Communications» more  ICC 2007»
14 years 6 months ago
Scalable Maintenance for Strong Web Consistency in Dynamic Content Delivery Overlays
— Content Delivery Overlays improves end-user performance by replicating Web contents on a group of geographically distributed sites interconnected over the Internet. However, wi...
Zhou Su, Jiro Katto, Yasuhiko Yasuda
ICC
2007
IEEE
14 years 6 months ago
Utility Maximization for OFDMA Systems Over Discrete Sets
— 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 ...
Chan Zhou, Gerhard Wunder, Thomas Michel
ICC
2007
IEEE
114views Communications» more  ICC 2007»
14 years 6 months ago
Downlink MC-2D-CDMA over Time-Variant Frequency-Selective Rayleigh Fading Channels
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...
Rui Fa, Bayan S. Sharif, Charalampos Tsimenidis
ICC
2007
IEEE
111views Communications» more  ICC 2007»
14 years 6 months ago
TDM Emulation in Packet-Switched Networks
— 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...
George N. Rouskas, Nikhil Baradwaj
ICC
2007
IEEE
14 years 6 months ago
Novel Inter-Cell Interaction Approach for WCDMA-based Cognitive Networks
Jad Nasreddine, Oriol Sallent, Jordi Pérez-...
ICC
2007
IEEE
14 years 6 months ago
Probability Density Functions of Reliability Metrics for 16-QAM-Based BICM Transmission in Rayleigh Channel
— 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 ...
Leszek Szczecinski, Alex Alvarado, Rodolfo Feick
ICC
2007
IEEE
179views Communications» more  ICC 2007»
14 years 6 months ago
Finite Queuing Model Analysis for Energy and QoS Tradeoff in Contention-Based Wireless Sensor Networks
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...
Jun Luo, Ling-ge Jiang, Chen He
ICC
2007
IEEE
150views Communications» more  ICC 2007»
14 years 6 months ago
A Distributed Space-Time Trellis Coding Approach for Multi-Terminal Relay Networks
— 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...
Peter Rost, Gerhard Fettweis