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Location-Specific Coverage in Heterogeneous Networks

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2 Author(s)
Tianyang Bai ; Wireless Networking & Commun. Group, Univ. of Texas at Austin, Austin, TX, USA ; Heath, R.W.

Cellular networks are taking on a more heterogeneous character with the introduction of low power nodes. Besides the aggregate performance over the entire network, it is also of interest to evaluate the coverage probability conditioning on a specific user location in a cell. This letter proposes a method to compute the location-specific coverage probability inside the inscribing ball of a weighted Voronoi cell in heterogeneous networks. Simulations show that the proposed closed-form approximation accurately characterizes the coverage probability at locations of interest inside the inscribing ball. Moreover the expression can also be applied to evaluate the performance at locations outside the inscribing ball with minor loss.

Published in:

Signal Processing Letters, IEEE  (Volume:20 ,  Issue: 9 )