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A dynamic anchor-cell assisted paging with an optimal timer for PCS networks

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1 Author(s)
Yang Xiao ; Comput. Sci. Div., Univ. of Memphis, TN, USA

An intra location area (intra-LA) location update (LU) scheme is proposed to increase paging accuracy for PCS networks. In the proposed scheme, each mobile terminal (MT) has a valid/invalid anchor-cell, which may be dynamically changed. A MT updates its anchor-cell information only when the status is changed, i.e., from the valid to the invalid or vice versa. Therefore, the intra-LA LU cost is minimized. Whenever the MT enters a cell, a timer is set. The MT realizes that the entered cell is its current anchor-cell if the timer expires before leaving the cell. An analytical model is proposed, and the optimal time threshold is derived explicitly.

Published in:

Communications Letters, IEEE  (Volume:7 ,  Issue: 8 )