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JSAC
2007
142views more  JSAC 2007»
15 years 6 months ago
Non-Cooperative Resource Competition Game by Virtual Referee in Multi-Cell OFDMA Networks
— In this paper, a distributive non-cooperative game is proposed to perform sub-channel assignment, adaptive modulation, and power control for multi-cell multi-user Orthogonal Fr...
Zhu Han, Zhu Ji, K. J. Ray Liu
CN
2004
138views more  CN 2004»
15 years 6 months ago
Overhead energy considerations for efficient routing in wireless sensor networks
Energy is the most critical resource in the life of a wireless sensor node. Therefore, its usage must be optimized to maximize the network life. It is known that for higher path l...
E. Ilker Oyman, Cem Ersoy
ITIIS
2010
151views more  ITIIS 2010»
15 years 5 months ago
Practical Data Transmission in Cluster-Based Sensor Networks
Data routing in wireless sensor networks must be energy-efficient because tiny sensor nodes have limited power. A cluster-based hierarchical routing is known to be more efficient ...
Dae Young Kim, Jinsung Cho, Byeong-Soo Jeong
PIMRC
2010
IEEE
15 years 4 months ago
Optimal beamforming in cognitive two-way relay networks
We consider a cognitive two-way relay network which consists of two transceivers (primary users) and multiple cognitive terminals. The two transceivers transmit their data toward t...
Ardalan Alizadeh, Seyed Mohammad-Sajad Sadough, Na...
IEEECSA
2009
15 years 4 months ago
A Fine-Grained Localization Scheme Using a Mobile Beacon Node for Wireless Sensor Networks
In this paper, we present a fine-grained localization algorithm for wireless sensor networks using a mobile beacon node. The algorithm is based on distance measurement using RSSI. ...
Kezhong Liu, Ji Xiong, Yongqiang Cui, Dong Han