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SUMMARY:Fundamental limits of short-packet wireless communications - Tobia
 s Koch\, University Carlo III Madrid
DTSTART:20150626T150000Z
DTEND:20150626T153000Z
UID:TALK60004@talks.cam.ac.uk
CONTACT:Jossy Sayir
DESCRIPTION:Most of the recent advances in the design of high-speed wirele
 ss systems are based on information-theoretic principles that demonstrate 
 how to efficiently transmit long data packets. However\, the upcoming 5G w
 ireless systems will need to support novel traffic types that use short pa
 ckets. For example\, short packets represent the most common form of traff
 ic generated by sensors and other devices involved in machine-to-machine c
 ommunications. Furthermore\, there are emerging applications in which smal
 l packets are expected to carry critical information that should be receiv
 ed with low latency and ultra-high reliability. In this talk\, I explain h
 ow finite-blocklength information theory can be used to characterize the t
 radeoff between diversity\, multiplexing\, and channel-estimation overhead
  in short-packet wireless communications.
LOCATION: Cambridge University Engineering Department\, LR5
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