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DTSTART:20100314T030000
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DTSTAMP:20110218T215637Z
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DTSTART;TZID=US/Eastern:20100510T140000
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DESCRIPTION:A talk by Prof. Aria Nosratinia\, University of Texas at Dallas
  Title: Recovering the Multiplexing Loss of Half-Duplex Relaying via Spect
 rally Efficient Relay Selection Abstract: This talk addresses one of the m
 ain issues in half-duplex relay systems: the well-known multiplexing loss 
 due to the causality of relays. We propose relay selection methods to reco
 ver the multiplexing loss in decode-and-forward (DF) relay networks. A key
  feature of this work is that the interference of relays on each other are
  fully taken into account. Two network topologies are studied: relaying wi
 th and without direct source-destination links. For the former topology we
  design relay selection methods that achieve the MISO upper bound on the D
 iversity-Multiplexing Tradeoff (DMT) with very little feedback and no carr
 ier synchronization requirements. For the latter topology we propose non-o
 rthogonal DF methods that feature an unequal error protection ability via 
 an embedded family of DMT curves. Even considering the latter method\\'s m
 inimal DMT\, a marked improvement over previous DF methods is observed\, e
 specially in high spectral efficiencies. By addressing one of the most pro
 minent drawbacks of relay systems\, it is hoped that this work will pave t
 he way to a more widespread acceptance of the usage of DF relays in commun
 ication networks.\n\nCo-sponsored by: Dr. Amin Mobasher\n\nWaterloo\, Onta
 rio\, Canada
LOCATION:Waterloo\, Ontario\, Canada
ORGANIZER:amin@cst.uwaterloo.ca
SEQUENCE:0
SUMMARY:[Legacy Report] Seminar by IT Chapter
URL;VALUE=URI:https://events.vtools.ieee.org/m/59600
X-ALT-DESC:Description: <br />A talk by Prof. Aria Nosratinia\, \nUniversit
 y of Texas at Dallas\n\nTitle: Recovering the Multiplexing Loss of Half-Du
 plex Relaying via Spectrally Efficient Relay Selection\n\nAbstract: This t
 alk addresses one of the main issues in half-duplex relay systems: the wel
 l-known multiplexing loss due to the causality of relays. We propose relay
  selection\nmethods to recover the multiplexing loss in decode-and-forward
  (DF) relay networks. A key feature of this work is that the interference 
 of relays on each other are fully\ntaken into account. Two network topolog
 ies are studied: relaying with and without direct source-destination links
 . For the former topology we design relay selection\nmethods that achieve 
 the MISO upper bound on the Diversity-Multiplexing Tradeoff (DMT) with ver
 y little feedback and no carrier synchronization requirements. For the\nla
 tter topology we propose non-orthogonal DF methods that feature an unequal
  error protection ability via an embedded family of DMT curves. Even consi
 dering the\nlatter method\\'s minimal DMT\, a marked improvement over prev
 ious DF methods is observed\, especially in high spectral efficiencies. By
  addressing one of the most\nprominent drawbacks of relay systems\, it is 
 hoped that this work will pave the way to a more widespread acceptance of 
 the usage of DF relays in communication\nnetworks.
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