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In this paper, for single-source wireless ad hoc networks, we develop a joint re-encoding and successive interference cancellation (SIC) scheme to realize interference-immune multi-hop relaying. Interference immunity means that the transmission rate is not affected by the mutual interference among the relays. This leads to a greedy near-optimal algorithm that is similar to the Dijkstra's algorithm...
It has been a challenge to develop efficient algorithms for relay selection and relay power optimization in arbitrarily large multi-hop wireless networks. In this paper, considering Gaussian networks with half-duplex decode-and-forward relays, we develop a practical network-wide signal processing procedure with which the relay's data rate is not degraded by mutual interference. Multi-hop relaying...
Based on an information model that classifies intermediate nodes in multicast networks into network coding, routing and replicating nodes, multicast max-flow and minimum cost optimization frameworks are formulated to solve optimization problems in wireless networks with or without network coding. Two special properties of wireless transmissions are taken into consideration, i.e., multi-hop cooperation...
Minimum cost optimization for multicast with network coding has attracted great research interests. In this paper, based on an information model that differentiates intermediate nodes in a multicast network into network coding, routing or replicating nodes, a method is developed to solve the minimum energy cost multicast problem in wireless networks. Besides transmission energy, many other important...
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