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SUMMARY:Communications Aspects of the Primitive Diamond Relay Channel
DTSTART:20230914T110000
DTEND:20230914T120000
DTSTAMP:20260506T180748Z
UID:128736947f3e0416937cbc7c1f7d0368061874821b7d53646e26f755
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Shlomo Shamai (Shitz)  Technion - Israel Institute of Te
 chnology\n \nThis talk focuses on the frequency-selective symmetric Gauss
 ian primitive diamond relay channel with oblivious processing. The Gaussia
 n input frequency power distribution that maximizes the information rate o
 f the oblivious relay operation achieved by optimal distributed (Wyner-Ziv
  based) compression with joint decompression-decoding is determined. The G
 aussian primitive diamond relay channel with correlated (positive and nega
 tive correlation) additive noise in both relays\, modeling an interferer (
 jammer)\, is also addressed\, considering optimal distributed compression.
  Closed form analytic expressions for the achievable oblivious processing 
 rate are found. Non-oblivious relay processing combining Compress-Forward 
 (CF) and\nDecode-Forward (DF) is examined. It is shown that time-sharing b
 etween CF and DF is advantageous over the superposition CF-DF coding metho
 dology\, for independent and correlated Gaussian noise at the relays. Supe
 rposition DF and CF where the DF part uses dirty-paper (DP) coding to elim
 inate the interference of the CF part at each relay is also considered. Th
 is communication setting motivates the presented correlated noise model em
 ploying optimal distributed compression. It is proved that also with the D
 P coding procedure\, optimized time-sharing approach is advantageous. Perf
 ormance of time-sharing is demonstrated also for an asymmetric and frequen
 cy-selective channel.\n---------------------------------------------------
 ---------------------------------------\nThis talk is based on joint resea
 rch with A. Katz\, M. Peleg and H.V. Poor\, and supported by the German-Is
 raeli Project Cooperation (DIP)\, under Project SH 1937/1-1\,and by the US
 -Israel Binational Science Foundation (BSF) under grant BSF-2018710.
LOCATION:BC 129 https://plan.epfl.ch/?room==BC%20129
STATUS:CONFIRMED
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