Supported by the National Natural Science Foundation of China(50534060);the National High Technology Project of China(2007AA06Z106)
Based on the Wireless Mesh Network (WMN), a wireless emergency communicationsystem for underground coal mine which was designed to be capable of videosurveillance, voice communication, and environment monitoring at th...
Supported by the Key Laboratory of Universal Wireless Communications Lab., Beijing University of Posts and Telecommunications, Ministry of Education, the Open Research Fund of National Mobile Communications Research Laboratory (No. W200906);Southeast University, the Fundamental Research Funds for the Central Universities;National Natural Science Foundation of China (No. 50534060)
We analyze the performance of a fully decentralized relay-selection method for the re-lay-assisted Cognitive Radio(CR) systems.The method requires no explicit communication among relay,assumes no prior knowledge of ge...