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On the performance limits of transparent relaying in the low SNR regime

Grant number: 17/25808-1
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): April 01, 2018
Effective date (End): March 31, 2019
Field of knowledge:Engineering - Electrical Engineering - Telecommunications
Principal Investigator:Michel Daoud Yacoub
Grantee:Diana Cristina González González
Supervisor: Muriel Medard
Host Institution: Faculdade de Engenharia Elétrica e de Computação (FEEC). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Research place: Massachusetts Institute of Technology (MIT), United States  
Associated to the scholarship:16/05847-0 - Performance Evaluation of Cooperative Schemes in "Links-on-The-Fly" Networks, BP.PD


In spite of the large number of works proposing and analyzing cooperative schemes for wireless communication networks, the capacity of the simplest cooperative building block - the relay channel - in its most general form remains unknown. On the other hand, insightful lower and upper bounds on that capacity, as well as constrained capacity values corresponding to special configurations of the re- lay channel, have been found. In this project, we address the so-called wideband multipath-fading relay channel, also known as the low-SNR multipath-fading relay channel. This channel model finds application in advanced wireless systems. In particular, we aim to investigate how the assumption of transparent relaying techniques affects known bounds on the capacity of the referred channel, and which conditions might bridge the gap between these bounds. (AU)

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