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GLOBECOM
2009
IEEE
14 years 2 months ago
Downlink Mobile OFDMA Resource Allocation with Minimum User Rate Requests
— The problem of resource allocation (RA) in a downlink OFDMA system with minimum user rate requests is examined under the realistic scenario of partial (imperfect) channel state...
Stelios Stefanatos, Christos Papathanasiou, Nikos ...
CORR
2011
Springer
200views Education» more  CORR 2011»
12 years 11 months ago
Analytical Evaluation of Fractional Frequency Reuse for OFDMA Cellular Networks
Fractional frequency reuse (FFR) is an interference management technique well-suited to OFDMAbased cellular networks wherein the cells are partitioned into spatial regions with di...
Thomas David Novlan, Radha Krishna Ganti, Arunabha...
WICON
2010
13 years 5 months ago
Resource Allocation and Reuse for Inter-cell Interference Mitigation in OFDMA based Communication Networks
Inter-cell interference (ICI) mitigation is always a big challenge issue in cellular systems. In this work we propose an Enhanced Fractional Frequency Reuse (EFFR) scheme with an i...
Zheng Xie, Bernhard Walke
IWCMC
2009
ACM
14 years 2 months ago
Multiple-antenna multiple-relay system with precoding for multiuser transmission
Multi-hop relaying will play a central role in next generation wireless systems. In this paper a novel relaying strategy that uses multiple-input multiple-output (MIMO) relays in ...
Arash Talebi, Witold A. Krzymien
INFOCOM
2008
IEEE
14 years 2 months ago
Self-Organizing Dynamic Fractional Frequency Reuse in OFDMA Systems
—We describe an algorithm for sub-carrier and power allocation that achieves out-of-cell interference avoidance through dynamic fractional frequency reuse (FFR) in downlink of ce...
Alexander L. Stolyar, Harish Viswanathan