5R. J. Fontana. E. Richley. J. A. Barney. Commercialization of an ultra wideband precision asset location system. IEEE Conf. on Ultra Wideband Systems and Technologies. Reston. VA. 2003.
6Loren Schwiebert. Sandeep K. S. Gupta. Jennifer Weinmann.Research challenges in wireless networks of biomedical sensors.The 7th annual international conference on Mobile computing and neworking. Rome. Italy. 2001.
7I. F. Akyildiz. et al.A Survey on Sensor Networks. IEEE Communications Magazine. 2002. (8) : 102 - 114.
8Holger Karl. Andreas Willig. A short survey of wireless sensor networks. TKN. Tech Rep: TKN-03-018. 2003.
9K. D. Wong. Physical layer considerations for wireless sensor networks networking. IEEE Int'l Conf. on Sensing and Control.Taipei. 2004.
10L. C. Zhong. J. Rabaey. C. L. Guo. et al. Data link layer design for wireless sensor networks. Communications for Network-Centric Operations. Creating the Information Force.Washington. 2001.
6Seapahn Meguerdichian,Farinaz Koushanfar,Miodrag Potkonjak,et al.Coverage problems in wireless ad hoc sensor networks[C]// ACM International Conference on Mobile Computing and Networking(MobiCom).[s.l.]:ACP press,2001:139-150.
7Zhang honghai,C Hou Jennifer.Maintaining sensing coverage and connectivity in large sensor networks[J].Jounral of Ad Hoc and sensor Wireless Networks,2005,1(1-2):89-124.