University of Illinois Urbana-Champaign

Backpressure networks with cooperative link augmentation

Lee, Ulysses

Content Files
LEE-THESIS-2016.pdf

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https://hdl.handle.net/2142/95515

Description

Title
Backpressure networks with cooperative link augmentation
Author(s)
Lee, Ulysses
Issue Date
2016-12-07
Director of Research (if dissertation) or Advisor (if thesis)
Singer, Andrew Carl
Department of Study
Electrical And Computer Engineering
Discipline
Electrical And Computer Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Date of Ingest
2017-03-01T16:37:08Z
Keyword(s)
  • Cooperative Diversity
  • Backpressure Routing
  • Network Queueing theory
Abstract
We investigate a cross-layer communication technique which jointly lever- ages diversity gain from cooperative communications relaying and optimal throughput characteristics of backpressure networking. In particular, we address the capacity limitations of backpressure networks within fading en- vironments by the retasking of a cooperating node as a relay with potentially heterogeneous transmission architecture. Retasking a node as a cooperative relay can temporally allocate resources of one particular session within the backpressure network onto another session, thereby allowing for a more flex- ible physical (PHY) layer for traffic load balancing. With this, we derive a scheduling method that ensures timely delivery of information in networks without predetermined infrastructure. Within this thesis, we propose the architecture of an amplify-and-forward relay for cooperative communications and derive the performance of multi- ple cooperative nodes utilizing this architecture. We also propose a suitable medium access control (MAC) layer facilitating the scheduling and decision making of nearby relay node candidates. The proposed architecture may be of potential interest for emerging device-to-device (D2D) and swarming mesh networks.
Graduation Semester
2016-12
Type of Resource
text
Permalink
http://hdl.handle.net/2142/95515
Copyright and License Information
Copyright 2016 Ulysses Lee

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