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Abstract

We consider the problem of cooperative data exchange in a group of wireless clients. In this problem each client initially holds a subset of packets and needs to obtain all packets held by other clients. Each client can broadcast its own packets or a combinations thereof to other clients via an error-free broadcast channel. Assuming that clients know which packets are available to other clients, our goal is to minimize the total number of transmissions needed to satisfy the demands of all clients. We present a deterministic algorithm that computes an optimal solution to this problem in polynomial time.

Keywords

Linear Code Network Code Deterministic Algorithm Annual IEEE Symposium User Cooperation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering 2012

Authors and Affiliations

  • Alex Sprintson
    • 1
  • Parastoo Sadeghi
    • 2
  • Graham Booker
    • 1
  • Salim El Rouayheb
    • 3
  1. 1.Texas A&M UniversityCollege StationUSA
  2. 2.Australian National UniversityCanberraAustralia
  3. 3.University of CaliforniaBerkeleyUSA

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