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Seeker-assisted human navigation using smart phones

Seeker-assisted human navigation using smart phones

Content Provider	ACM Digital Library
Author	Mao, Yingchi
Abstract	Location based services are some of the fastest growing applications in mobile social networks in the last five years. Smart phones are equipped with hardware and software services that allow them to determine users' locations and help human navigation. The most widely adopted localization technologies in smart-phones are GPS, WiFi, and cell-tower, but they have their own problems in the real applications. One Escort system to assist human navigation in a public indoor place was proposed. The Escort system does not require either GPS, WiFi, war-driving, indoor maps. However, the Escort system may navigate one person on a long path even though the person being tracked maybe close. In this paper, we study the problem of obtaining better navigation paths in the Escort system. To improve the navigation performance in the original Escort system, several seekers owning the partial map of the specific area are added in our Escort system. The main function of seekers is to find the optimal paths by applying the GFG routing algorithm. Thus, the seeker-assisted human navigation algorithm can effectively reduce the length of the navigation paths for every pair of uses in the mobile social networks. Finally, extensive simulations of the proposed algorithm at the Google map with different number of users and different duration times. The simulations show that the human navigation performance has been greatly enhanced.
Starting Page	19
Ending Page	24
Page Count	6
File Format	PDF
ISBN	9781450309257
DOI	10.1145/2030066.2030072
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2011-09-18
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Human navigation Geography routing Escort systems Smart phones
Content Type	Text
Resource Type	Article

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