Mobility

A Study of the Percolation Threshold for k-Collaborative Wireless Networks

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Executive Summary

How to efficiently use the air interface is a crucial issue in wireless networks. In order to improve the performance, mechanisms have been proposed to improve the reach and the connectivity of nodes in a wireless network. One such mechanism is to use joint, synchronized transmission from a cluster of several nodes to reach nodes outside of the transmission range of any of the transmitting nodes in the cluster. The paper adopts a simplified model of collaboration where the power at the receiver is the sum of the transmitted power at the sender, and study the performance of such system with clusters of arbitrary size k. The paper computes theoretical bounds on the gain achieved using collaboration as a function of the cluster size.

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