Approximation Algorithms for Computing Capacity of Wireless Networks with SINR Constraints
Deepti Chafekar,V.S.A. Kumart,Madhav V. Marathe,Srinivasan Parthasarathy,Aravind Srinivasan +4 more
- pp 1166-1174
TLDR
This paper develops polynomial time algorithms to provably approximate the total throughput in this setting of the capacity estimation problem using the more general Signal to Interference Plus Noise Ratio model for interference, on arbitrary wireless networks.Abstract:
A fundamental problem in wireless networks is to estimate its throughput capacity - given a set of wireless nodes, and a set of connections, what is the maximum rate at which data can be sent on these connections. Most of the research in this direction has focused on either random distributions of points, or has assumed simple graph-based models for wireless interference. In this paper, we study capacity estimation problem using the more general Signal to Interference Plus Noise Ratio (SINR) model for interference, on arbitrary wireless networks. The problem becomes much harder in this setting, because of the non-locality of the SINR model. Recent work by Moscibroda et al. (2006) has shown that the throughput in this model can differ from graph based models significantly. We develop polynomial time algorithms to provably approximate the total throughput in this setting.read more
Citations
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References
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The capacity of wireless networks
Piyush Gupta,P. R. Kumar +1 more
TL;DR: When n identical randomly located nodes, each capable of transmitting at W bits per second and using a fixed range, form a wireless network, the throughput /spl lambda/(n) obtainable by each node for a randomly chosen destination is /spl Theta/(W//spl radic/(nlogn)) bits persecond under a noninterference protocol.
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Proceedings ArticleDOI
Joint channel assignment and routing for throughput optimization in multi-radio wireless mesh networks
TL;DR: A solution is developed that optimizes the overall network throughput subject to fairness constraints on allocation of scarce wireless capacity among mobile clients, and the performance of the algorithms is within a constant factor of that of any optimal algorithm for the joint channel assignment and routing problem.
Proceedings ArticleDOI
Characterizing the capacity region in multi-radio multi-channel wireless mesh networks
TL;DR: This paper provides necessary conditions to verify the feasibility of rate vectors in next generation fixed wireless broadband networks, and uses them to derive upper bounds on the capacity in terms of achievable throughput, using a fast primal-dual algorithm.
Journal ArticleDOI
Joint Channel Assignment and Routing for Throughput Optimization in Multiradio Wireless Mesh Networks
TL;DR: A solution is developed that optimizes the overall network throughput subject to fairness constraints on allocation of scarce wireless capacity among mobile clients, and the performance of the algorithms is within a constant factor of that of any optimal algorithm for the joint channel assignment and routing problem.