Sciweavers

Share
ICASSP
2011
IEEE
8 years 5 months ago
Sum-rate maximization of two-way amplify-and-forward relay networks with imperfect channel state information
Considering a two-way amplify-and-forward (AF) relay network and aiming to simultaneously maximize the two users’ mutual information lower bounds in the presence of channel esti...
Yupeng Jia, Azadeh Vosoughi
TWC
2010
8 years 8 months ago
Two-way training: optimal power allocation for pilot and data transmission
Abstract--In this letter, we consider multiple-input singleoutput (MISO) systems with two-way training based transmission. We focus on the long-term system performance and study th...
Xiangyun Zhou, Tharaka A. Lamahewa, Parastoo Sadeg...
TSP
2010
8 years 8 months ago
Power allocation in orthogonal wireless relay networks with partial channel state information
Wireless amplify-and-forward relay networks in which the source communicates with the relays and destination in the first phase and the relays forward signals to the destination in...
Tung T. Pham, Ha H. Nguyen, Hoang Duong Tuan
CORR
2011
Springer
169views Education» more  CORR 2011»
8 years 8 months ago
Power Allocation Based on SEP Minimization in Two-Hop Decode-and-Forward Relay Networks
—The problem of optimal power allocation among the relays in a two-hop decode-and-forward cooperative relay network with independent Rayleigh fading channels is considered. It is...
Arash Khabbazibasmenj, Sergiy A. Vorobyov
ISITA
2010
8 years 10 months ago
Performance analysis and optimal power allocation for hybrid incremental relaying
Relaying technique has been developed considerable attention in response to improve reliability and to extend wireless network coverage. One of conventional relaying technique, inc...
Jaeyoung Lee, Sung-il Kim, Jun Heo
INFOCOM
2010
IEEE
8 years 12 months ago
Near-Optimal Power Control in Wireless Networks: A Potential Game Approach
—We study power control in a multi-cell CDMA wireless system whereby self-interested users share a common spectrum and interfere with each other. Our objective is to design a pow...
Ozan Candogan, Ishai Menache, Asuman E. Ozdaglar, ...
CORR
2007
Springer
117views Education» more  CORR 2007»
9 years 1 months ago
Non-atomic Games for Multi-User Systems
Abstract—In this contribution, the performance of a multiuser system is analyzed in the context of frequency selective fading channels. Using game theoretic tools, a useful frame...
Nicolas Bonneau, Mérouane Debbah, Eitan Alt...
TWC
2008
194views more  TWC 2008»
9 years 1 months ago
Optimal Power Scheduling for Correlated Data Fusion in Wireless Sensor Networks via Constrained PSO
Optimal power scheduling for distributed detection in a Gaussian sensor network is addressed for both independent and correlated observations. We assume amplify-and-forward local p...
Thakshila Wimalajeewa, Sudharman K. Jayaweera
PE
2008
Springer
81views Optimization» more  PE 2008»
9 years 1 months ago
Using cross-system diversity in heterogeneous networks: Throughput optimization
This paper investigates the situation where a group of terminals can be simultaneously connected to several base stations using distinct technologies on nonoverlapping frequency b...
Samson Lasaulce, Alberto Suárez 0002, Raul ...
CORR
2007
Springer
117views Education» more  CORR 2007»
9 years 1 months ago
The Impact of CSI and Power Allocation on Relay Channel Capacity and Cooperation Strategies
Capacity gain from transmitter and receiver cooperation are compared in a relay network where the cooperating nodes are close together. Under quasi-static channels, when all nodes...
Chris T. K. Ng, Andrea J. Goldsmith
books