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IEICE TRANSACTIONS on Information

Pseudo Polynomial Time Algorithms for Optimal Longcut Route Selection

Yuichi SUDO, Toshimitsu MASUZAWA, Gen MOTOYOSHI, Tutomu MURASE

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Summary :

Users of wireless mobile devices need Internet access not only when they stay at home or office, but also when they travel. It may be desirable for such users to select a "longcut route" from their current location to his/her destination that has longer travel time than the shortest route, but provides a better mobile wireless environment. In this paper, we formulate the above situation as the optimization problem of “optimal longcut route selection”, which requires us to find the best route concerning the wireless environment subject to a travel time constraint. For this new problem, we show NP-hardness, propose two pseudo-polynomial time algorithms, and experimental evaluation of the algorithms.

Publication
IEICE TRANSACTIONS on Information Vol.E98-D No.3 pp.607-616
Publication Date
2015/03/01
Publicized
2014/11/25
Online ISSN
1745-1361
DOI
10.1587/transinf.2014EDP7278
Type of Manuscript
PAPER
Category
Fundamentals of Information Systems

Authors

Yuichi SUDO
  NTT Corporation,Osaka University
Toshimitsu MASUZAWA
  Osaka University
Gen MOTOYOSHI
  NEC Corporation
Tutomu MURASE
  NEC Corporation

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