Cooperative Packet Routing using Mutual Information Accumulation
Yanpei Liu, Jing Yang, Stark. C. Draper

TL;DR
This paper introduces a linear programming algorithm for resource allocation in cooperative wireless networks with mutual information accumulation, optimizing packet routing and transmission policies to exploit spatial and temporal diversity.
Contribution
It presents a novel algorithm that dynamically allocates resources for packet routing in cooperative networks with mutual information accumulation, handling arbitrary packet arrivals.
Findings
Algorithm effectively exploits spatial and temporal route diversity.
Resource allocation policy improves transmission efficiency.
Supports arbitrary packet arrival processes.
Abstract
We consider the resource allocation problem in cooperative wireless networks wherein nodes perform mutual information accumulation. We consider a unicast setting and arbitrary arrival processes at the source node. Source arrivals can be broken down into numerous packets to better exploit the spatial and temporal diversity of the routes available in the network. We devise a linear-program-based algorithm which allocates network resource to meet a certain transmission objective. Given a network, a source with multiple arriving packets and a destination, our algorithm generates a policy that regulates which nodes should participate in transmitting which packets, when and with what resource. By routing different packets through different nodes the policy exploits spatial route diversity, and by sequencing packet transmissions along the same route it exploits temporal route diversity.
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Taxonomy
TopicsCooperative Communication and Network Coding · Error Correcting Code Techniques · Advanced MIMO Systems Optimization
