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SUMMARY:Wireless Networking Using Smart Radios - Aveek Dutta\, University 
 of Colorado
DTSTART:20130322T100000Z
DTEND:20130322T110000Z
UID:TALK43897@talks.cam.ac.uk
CONTACT:Microsoft Research Cambridge Talks Admins
DESCRIPTION:The physical (PHY) layer of next generation wireless systems r
 equires a high degree of flexibility to adapt to the ever-changing wireles
 s environment. Furthermore\, concepts like cognitive radio and software de
 fined radio greatly change the hardware architecture\, in that the device 
 is no longer fixed in function but rather a highly programmable substrate\
 , providing fine-grained control over the signal processing components. Th
 is is more challenging for modern wireless waveforms like Orthogonal Frequ
 ency Division Multiplexing (OFDM) that operate with many tunable parameter
 s for optimum link performance. This is of much interest to the broader co
 mmunity of wireless networking research as well.\n\nIn this talk\, I will 
 present the design and architecture of a flexible OFDM transceiver and pro
 vide examples of novel MAC-PHY crosslayer techniques using this programmab
 le prototype platform.  By utilizing foundational knowledge of signal proc
 essing algorithms\, a complete OFDM transceiver has been realized on commo
 dity FPGA. The talk will also extend this idea to include methods of decla
 rative representation of the PHY to target heterogeneous processing platfo
 rms and architectural choices for collaboration of cognitive radios at the
  PHY layer.
LOCATION:Auditorium\, Microsoft Research Ltd\, 21 Station Road\, Cambridge
 \, CB1 2FB
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