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Title: Multicast throughput of hybrid wireless networks under Gaussian channel model
Authors: Wang, Cheng
Tang, Shaojie
Li, Xiang-Yang
Jiang, Changjun
Liu, Yunhao
Keywords: Gaussian channels
Ad hoc networks
Channel capacity
Multicast communication
Issue Date: Jun-2009
Citation: Proceedings 29th IEEE International Conference on Distributed Computing Systems, ICDCS '09, 22-26 June 2009, Montreal, QC, Canada, p. 111-118
Abstract: We study the multicast capacity for hybrid wireless networks consisting of ordinary wireless nodes and base stations under Gaussian channel model, which generalizes both the unicast capacity and broadcast capacity for hybrid wireless networks. We simply consider the hybrid extended network, where the ordinary wireless nodes are placed in the square region A(n) with side-length √n according to a Poisson point process with unit intensity. In addition, m additional base stations (BSs) serving as the relay gateway are placed regularly in the region A(n) and they are connected by a high-bandwidth wired network. Three broad categories of multicast strategies are proposed in this paper. According to the different scenarios in terms of m, n and nd, we select the optimal scheme from the three categories of strategies, and derive the achievable multicast throughput based on the optimal decision.
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