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[1] David L Mills.RFC 1305Network Time Protocol (Version 3) Specification.Implementation,1992.

[2] J Elson,L Girod,D Estrin. FineGrained Network Time Synchronization using Reference Broadcasts[C]//Pro. 5th Symp. Op. Sys. Design and Implementation.Boston,MA, 2002.

[3] S Ganeriwal,R Kumar,M B Srivastava.Timingsync Protocol for Sensor Networks[C]//Proceedings of the 1st International Conference Embedded Networked Sensor Systems(SenSys¬ðs03). USA:ACM press, 2003.

[4] Weilian Su, Ian F Akyildiz.TimeDiffusion Synchronization Protocol for Wireless Sensor Networks[J].IEEE/ACM Transactions on networking, 2005, 13(2).

[5] M Maroti,B Kusy,G Simon,et al.The flooding time synchronization protocol[C]//Proceedings of the 2nd International Conference on Embedded Networked Sensor Systems(SenSys’04),USA, November£¬2004.

[6] Intel Research. Delay measurement time synchronization for wireless sensor networks,2003.

[7] J V Greunen,J Rabaey.Lightweight time synchronization for sensor networks[C]//The 2nd ACM Int¬ðl Workshop on Wireless Sensor Networks and Applications,San Diego,2003.

[8] Sichitiu M L,Veerarittiphan C. Simple, accurate time synchronization for wireless sensor networks[J].IEEE Trans. on wireless communication and networking,2003(3).

[9] H Dai,R Han.TSync:A Lightweight Bidirectional Time Synchronization Service for Wireless Sensor Networks[C]//ACM SIGMOBILE Mobile Computing and Communications Review,Special Issue on Wireless PAN & Sensor Networks,University of Colorado,January 2004.

[10] ÍõÊÀ¾ü£¬Ð쳯ũ£¬ÐìÓ¾ü£¬µÈ.ͬ²½¾«¶ÈÎȶ¨µÄ¶àÌøÎÞÏß´«¸ÐÆ÷ÍøÂçʱ¼äͬ²½Ëã·¨[J].¼ÆËã»úÓ¦Óã¬2007(27).

[11] Hyunhak Kim,Daeyoung Kim,Seongeun Yoo.Clusterbased hierarchical time synchronization for multihop wireless sensor networks[C]//Advanced Information Networking and Applications,2006.AINA 2006.20th International Conference,April 2006,2:5.

[12] S.KeeYoung ,K.Y. Lee,K.Lee.CRIT:A Hierarchical ChainedRipple Time Synchronization in Wireless Sensor Networks[C]//Networking,Sensing and Control,2006.ICNSC 06.Proceedings of the 2006 IEEE International Conference,April 2006:797802.

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