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Capacity bounds for large scale wireless ad hoc networks under Gaussian channel model

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3 Author(s)
Xiang-Yang Li ; Dept. of Comput. Sci., Illinois Inst. of Technol., Chicago, IL, USA ; Shao-Jie Tang ; Xufei Mao

We study the capacity for both random and arbitrary wireless networks under Gaussian Channel model when all wireless nodes have the same constant transmission power P. During the transmission, the power decays along path with attenuation exponent beta > 2. We consider extended networks, where n wireless nodes {v1, v2,hellip, vn} are randomly or arbitrarily distributed in a square region Ba with side-length a. We randomly choose ns multicast sessions. For each source node vi, we randomly select k points pi,j (1 les j les k) in Ba and the node which is closest to pi,j will serve as a destination node of vi. We derive the achievable upper bounds on unicast capacity and an upper bound (partially achievable) on multicast capacity of the wireless networks under Gaussian Channel model. We found that the unicast (multicast) capacity for wireless networks under Gaussian Channel model has three regimes.

Published in:

Sensor, Mesh and Ad Hoc Communications and Networks, 2009. SECON '09. 6th Annual IEEE Communications Society Conference on

Date of Conference:

22-26 June 2009