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Cooperative Communications with HARQ in a Wireless Mesh Network Based on 3GPP LTE
Thales Communications and Security, Colombes, France.
Thales Communications and Security, Colombes, France.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Institut Eurecom, Sophia Antipolis, France.
2012 (English)In: Signal Processing Conference (EUSIPCO), 2012, IEEE , 2012, 1004-1008 p.Conference paper (Refereed)
Abstract [en]

This paper presents some results from of the FP7 ICT-LOLA (achieving LOw LAtency in wireless communications) project on the design of clusterized wireless mesh network based on 3GPP LTE. First, we focus on the general MAC/PHY structure of the clusterized mesh network based on 3GPP LTE. Then, the concept of virtual link is presented for inter-cluster communications combining MAC layer forwarding, hybrid automatic repeat request (HARQ) and cooperative communications with Decode and Forward (DF). The goal of a virtual link is to enable low latency data transfer in inter-cluster communications. The virtual link solution is studied by simulations thanks to OpenAirInterface which integrates LTE MAC and PHY layer procedures, as well as adaptations needed for the LOLA wireless mesh network. Simulation results show that the proposed distributed solution smoothly adapts to the link conditions. A loss in throughput efficiency is the price to be paid in certain configurations for the distributed operation of the virtual link. Nevertheless, the technique helps in reducing the average number of transmissions thus contributing to improve the latency of the system.

Place, publisher, year, edition, pages
IEEE , 2012. 1004-1008 p.
, European Signal Processing Conference, ISSN 2219-5491
Keyword [en]
3GPP LTE; wireless mesh networks; MAC layer forwarding; hybrid automatic repeat request (HARQ); cooperative communications; decode and forward (DF); low latency
National Category
Communication Systems
URN: urn:nbn:se:liu:diva-77993ISBN: 978-1-4673-1068-0OAI: diva2:530595
20th European Signal Processing Conference (EUSIPCO 2012), 27-31 August 2012, Bucharest, Romania
Available from: 2012-06-04 Created: 2012-06-04 Last updated: 2014-06-05Bibliographically approved

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Blad, Anton
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