Sciweavers

GLOBECOM
2008
IEEE
13 years 5 months ago
On the Impact of Inter-Cell Interference in LTE
—While intercell interference coordination (ICIC) for the downlink of multi-cell systems in general and orthogonal frequency division multiple access (OFDMA) networks in particul...
András Rácz, Norbert Reider, G&aacut...
CISS
2007
IEEE
13 years 8 months ago
Channel-Adaptive Optimal OFDMA Scheduling
Abstract-Joint subcarrier, power and rate allocation in orthogonal frequency division multiple access (OFDMA) scheduling is investigated for both downlink and uplink wireless trans...
Xin Wang, Georgios B. Giannakis, Yingqun Yu
WIOPT
2005
IEEE
13 years 10 months ago
Distributed Power Allocation and Scheduling for Parallel Channel Wireless Networks
In this paper we develop distributed approaches for power allocation and scheduling in wireless access networks. We consider a model where users communicate over a set of parallel...
Xiangping Qin, Randall Berry
VTC
2007
IEEE
119views Communications» more  VTC 2007»
13 years 10 months ago
Adaptive Resource Allocation in Cellular OFDMA System with Multiple Relay Stations
— We address the problem of radio resource allocation in the Downlink (DL) of a cellular system with Relay Stations (RS), based on Orthogonal Frequency Division Multiple Access (...
Megumi Kaneko, Petar Popovski
VTC
2007
IEEE
13 years 10 months ago
Sounding Method for Proportional Fair Scheduling in OFDMA/FDD Uplink
- Sounding provides a BS with knowledge of the channel state information of a user in an orthogonal frequency division multiple access (OFDMA) full duplex division (FDD) uplink. In...
Jung Min Choi, Hyojin Lee, Hyun Kyu Chung, Jae Hon...
VTC
2007
IEEE
130views Communications» more  VTC 2007»
13 years 10 months ago
Local Interference Coordination in Cellular OFDMA Networks
The currently emerging 802.16e (WiMax) and 3GPP Long Term Evolution (LTE) cellular systems are based on Orthogonal Frequency Division Multiple Access (OFDMA). As OFDMA is basicall...
Marc Necker
ICC
2007
IEEE
13 years 10 months ago
Proportional Fair Scheduling for Downlink OFDMA
— In this paper, the author studies the sum throughput maximization with proportional fair scheduling (PFS) for downlink orthogonal frequency division multiple access (OFDMA) cha...
Yao Ma
VTC
2008
IEEE
156views Communications» more  VTC 2008»
13 years 10 months ago
Channel Asymmetry and Random Time Slot Hopping in OFDMA-TDD Cellular Networks
Abstract—This paper studies the performance of orthogonal frequency division multiple access – time division duplex (OFDMA-TDD) cellular networks when jointly applying dynamic ...
Ellina Foutekova, Patrick Agyapong, Harald Haas
VTC
2008
IEEE
139views Communications» more  VTC 2008»
13 years 10 months ago
Downlink Steered Space-Time Spreading For Multi-Carrier Transmission Over Frequency Selective Channels
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
Nazar Sahal, Mohammed El-Hajjar, Lajos Hanzo
INFOCOM
2008
IEEE
13 years 10 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