Providing Group Tour Guide by RFIDs and WSNs. Yu-Chee Tseng, CS.NCTU (a joint work with NTHU) (in IEEE Trans. on Wireless Comm.) ( 中華民國專利 : " 使用無線感測網路提供群組導引服務之方法及系統 ", I319947). Motivation. Traditional tour guide: personalized guiding by portable audio/mobile devices
Yu-Chee Tseng, CS.NCTU
(a joint work with NTHU)
(in IEEE Trans. on Wireless Comm.)
(中華民國專利: "使用無線感測網路提供群組導引服務之方法及系統", I319947)
They do not consider tourists as a group.
A local update is proposed to reduce update messages.
A potential-based method is adopted for sensors to trace the locations of leaders.
Impact of obstacles on message overhead
Message overhead vs. Leader mobility
AEH: Avg. excess hops