Title :
A Sliding-Frame Strategy for Distributed Location Management in Wireless Mobile Networks
Author :
Lin, Hwa-Chun ; Ho, Chien-Yi
Author_Institution :
Dept. of Comput. Sci., Nat. Tsing Hua Univ., Hsinchu
Abstract :
This paper proposes a distributed location management strategy for wireless mobile networks. In the proposed strategy, a number of consecutively numbered location information databases (LIDs) are arranged into a frame. A frame of LIDs overlaps with the next frame except one database. The location information of a mobile host is replicated and stored in the databases in the same frame. When the location area of a mobile host changes, the new location information is stored in the next frame of databases. Thus, the proposed strategy is referred to as the sliding-frame strategy. The average communication cost and average database response time of the proposed sliding-frame strategy are analyzed and shown to be always lower than or equal to those of the strategy proposed by Krishnamurthi et al.
Keywords :
mobility management (mobile radio); distributed location database; distributed location management; location information databases; mobile host; replicated location information; sliding-frame strategy; wireless mobile networks; Distributed location databases; location management; replicated location information; sliding frame; sliding-frame; wireless mobile networks;
Journal_Title :
Vehicular Technology, IEEE Transactions on
DOI :
10.1109/TVT.2008.915525