国家自然科学基金重点项目;New Generation of Broadband Wireless Mobile Communication Networks of Maior Projects of National Science and Technology;北京市自然科学基金;Innovative Project for Young Researchers in Central Highe
In cognitive radio (CR) relay networks,most previous work concentrates on maximizing physical layer quality of service (QoS),e.g.,spectral efficiency and achiev
Goud computing is a new paradigm in which dynamic and virtualized computing resources are provided as services over the Internet. However, because cloud resourc
Query efficiency is bottleneck of XML data cube aggregate query. pXCube is a kind of XML data cube model based on path calculation. Join operations are avoided