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Erschienen in:
01.05.2011
Impact of deployment size on the asymptotic capacity for wireless ad hoc networks under Gaussian channel model
Erschienen in: Wireless Networks | Ausgabe 4/2011
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Abstract
We study the throughput capacity and transport capacity for both random and arbitrary wireless networks under Gaussian Channel model when all wireless nodes have the same constant transmission power P and the transmission rate is determined by Signal to Interference plus Noise Ratio (SINR). We consider networks with n wireless nodes \(\{v_1,v_2,\ldots,v_n\}\) (randomly or arbitrarily) distributed in a square region B
a
with a side-length a. We randomly choose n
s
node as the source nodes of n
s
multicast sessions. For each source node v
i
, we randomly select k points and the closest k nodes to these points as destination nodes of this multicast session. We derive achievable lower bounds and some upper bounds on both throughput capacity and transport capacity for both unicast sessions and multicast sessions. We found that the asymptotic capacity depends on the size a of the deployment region, and it often has three regimes.