Sciweavers

PIMRC
2008
IEEE
14 years 6 months ago
A game theoretic framework for decentralized power allocation in IDMA systems
Abstract—In this contribution we present a decentralized power allocation algorithm for the uplink interleave division multiple access (IDMA) channel. Within the proposed optimal...
Samir Medina Perlaza, Laura Cottatellucci, M&eacut...
INFOCOM
2008
IEEE
14 years 6 months ago
End-to-End Resource Allocation in OFDM Based Linear Multi-Hop Networks
— We study the end-to-end resource allocation in an OFDM based multi-hop network consisting of a one-dimensional chain of nodes including a source, a destination, and multiple re...
Xiaolu Zhang, Wenhua Jiao, Meixia Tao
ICC
2008
IEEE
108views Communications» more  ICC 2008»
14 years 6 months ago
SVD Aided Joint Transmitter and Receiver Design for the Uplink of Multiuser Detection Assisted MIMO Systems
— A novel singular value decomposition (SVD) aided uplink (UL) multiuser MIMO system is proposed. In contrast to the traditional minimum mean square error (MMSE) or zeroforcing (...
Wei Liu, Lie-Liang Yang, Lajos Hanzo
ICC
2008
IEEE
14 years 6 months ago
Two-Way Relaying over OFDM: Optimized Tone Permutation and Power Allocation
—We consider an amplify-and-forward scheme for two-way relaying over OFDM, in which two nodes wish to exchange information via a relay. Assuming full channel knowledge, we perfor...
Chin Keong Ho, Rui Zhang, Ying-Chang Liang
GLOBECOM
2008
IEEE
14 years 6 months ago
Power Allocation in Wireless Relay Networks: A Geometric Programming-Based Approach
—1 In this paper, we consider an amplify-and-forward (AF) wireless relay system where multiple source nodes communicate with their corresponding destination nodes with the help o...
Khoa T. Phan, Tho Le-Ngoc, Sergiy A. Vorobyov, Chi...
GLOBECOM
2008
IEEE
14 years 6 months ago
Near-Optimum Power Allocation for Outage Restricted Distributed MIMO Multi-Hop Networks
Abstract—The throughput of multi-hop communication systems can significantly be increased by the application of MIMO concepts. To utilize the physical resources in an efficient...
Dirk Wübben, Yidong Lang
IWCMC
2009
ACM
14 years 6 months ago
Performance analysis and adaptive power control for block coded collaborative networks
We derive theoretical bit and frame error rate expressions for decode-and-forward (DF) collaborative networks containing M users, employing a variety of block codes over a Rayleig...
W. Guo, Ioannis Chatzigeorgiou, Ian J. Wassell, Ro...
ISCC
2009
IEEE
139views Communications» more  ISCC 2009»
14 years 6 months ago
Location-dependent performance of cooperative networks with power allocation
—In this paper we investigate a cooperative mobile network with respect to error performance. Power allocation is applied between source and relay. The relay cooperates after hav...
Tobias Renk, Friedrich Jondral
ICC
2009
IEEE
152views Communications» more  ICC 2009»
14 years 6 months ago
Centralized and Distributed Power Allocation in Multi-User Wireless Relay Networks
Abstract—Optimal power allocation for multi-user amplifyand-forward wireless relay networks in which multiple sourcedestination pairs are assisted by a set of relays is investiga...
Khoa T. Phan, Long Bao Le, Sergiy A. Vorobyov, Tho...