Sciweavers

CORR
2010
Springer
157views Education» more  CORR 2010»
13 years 12 months ago
Joint Bandwidth and Power Allocation with Admission Control in Wireless Multi-User Networks With and Without Relaying
Equal allocation of bandwidth and/or power may not be efficient for wireless multi-user networks with limited bandwidth and power resources. Joint bandwidth and power allocation s...
Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambu...
CORR
2010
Springer
146views Education» more  CORR 2010»
13 years 12 months ago
Optimal power allocation for downstream xDSL with per-modem total power constraints : Broadcast Channel Optimal Spectrum Balanci
Abstract-Recently, the duality between Multiple Input Multiple Output (MIMO) Multiple Access Channels (MAC) and MIMO Broadcast Channels (BC) has been established under a total powe...
Vincent Le Nir, Marc Moonen, Jan Verlinden, Mamoun...
GLOBECOM
2008
IEEE
14 years 2 hour ago
Power Allocation for Cognitive Radios Based on Primary User Activity in an OFDM System
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
Ziaul Hasan, Ekram Hossain, Charles L. Despins, Vi...
GLOBECOM
2009
IEEE
14 years 3 months ago
Conjectural Equilibrium in Water-Filling Games
—This paper considers a non-cooperative game in which competing users sharing a frequency-selective interference channel selfishly optimize their power allocation in order to imp...
Yi Su, Mihaela van der Schaar
WCNC
2010
IEEE
14 years 3 months ago
Joint Optimization of Power Allocation and Relay Deployment in Wireless Sensor Networks
—We study the problem of optimizing the symbol error probability (SEP) performance of cluster-based cooperative wireless sensor networks (WSNs). It is shown in the literature tha...
Mohammad Abdizadeh, Hadi Jamali Rad, Bahman Abolha...
INFOCOM
2002
IEEE
14 years 4 months ago
Downlink Power Allocation for Multi-class CDMA Wireless Networks
Abstract—In this paper we consider the downlink power allocation problem for multi-class CDMA wireless networks. We use a utility based power allocation framework to treat multi-...
Jangwon Lee, Ravi Mazumdar, Ness B. Shroff
INFOCOM
2003
IEEE
14 years 5 months ago
Dynamic Power Allocation and Routing for Time Varying Wireless Networks
—We consider dynamic routing and power allocation for a wireless network with time-varying channels. The network consists of power constrained nodes that transmit over wireless l...
Michael J. Neely, Eytan Modiano, Charles E. Rohrs
WIOPT
2005
IEEE
14 years 5 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
ICMCS
2005
IEEE
123views Multimedia» more  ICMCS 2005»
14 years 5 months ago
An iterative power allocation algorithm in OFDM system based on power relaxation
Abstract— We present an efficient algorithm for power allocation and bit loading in multi-user OFDM system. We starts with the close-form optimum power solution based on ideal c...
Ju Wang, Jonathan C. L. Liu
VTC
2007
IEEE
14 years 6 months ago
Discrete Power Allocation for Lifetime Maximization in Cooperative Networks
Abstract— Discrete power allocation strategies for amplifyand-forward cooperative networks are proposed based on selective relaying methods. The goal of power allocation is to ma...
Wan-Jen Huang, Yao-Win Hong, C. C. Jay Kuo