Conferencing in Wyner's asymmetric interference network: Effect of number of rounds

Michèle Wigger; Roy Timo; Shlomo Shitz Shamai

doi:10.1109/ITW.2015.7133134

Conferencing in Wyner's asymmetric interference network: Effect of number of rounds

Michèle Wigger, Roy Timo, Shlomo Shitz Shamai

Electrical and Computer Engineering

Technion - Israel Institute of Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In this paper, we study how the number of conferencing rounds effects the capacity of large interference networks. We take Wyner's asymmetric linear (soft-handoff) model, include conferencing links between closely located transmitters and receivers, and we consider the per-user asymptotic multiplexing gain. Our results show, for example, that when the capacities of the conferencing links scale at most (1/4) log P with the power P and when one can choose which transmitters and receivers cooperate, then there is no loss in terms of asymptotic multiplexing gain in having only one round of conferencing. In contrast, when the capacities of the conferencing links grow faster than (1/4) log P, then the asymptotic multiplexing gain with one round of conferencing is strictly smaller than that achieved with multiple rounds.

Original language	English
Title of host publication	2015 IEEE Information Theory Workshop, ITW 2015
ISBN (Electronic)	9781479955268
DOIs	https://doi.org/10.1109/ITW.2015.7133134
State	Published - 24 Jun 2015
Event	2015 IEEE Information Theory Workshop, ITW 2015 - Jerusalem, Israel Duration: 26 Apr 2015 → 1 May 2015

Publication series

Name	2015 IEEE Information Theory Workshop, ITW 2015

Conference

Conference	2015 IEEE Information Theory Workshop, ITW 2015
Country/Territory	Israel
City	Jerusalem
Period	26/04/15 → 1/05/15

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Computer Networks and Communications
Information Systems
Computational Theory and Mathematics

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10.1109/ITW.2015.7133134

Cite this

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title = "Conferencing in Wyner's asymmetric interference network: Effect of number of rounds",

abstract = "In this paper, we study how the number of conferencing rounds effects the capacity of large interference networks. We take Wyner's asymmetric linear (soft-handoff) model, include conferencing links between closely located transmitters and receivers, and we consider the per-user asymptotic multiplexing gain. Our results show, for example, that when the capacities of the conferencing links scale at most (1/4) log P with the power P and when one can choose which transmitters and receivers cooperate, then there is no loss in terms of asymptotic multiplexing gain in having only one round of conferencing. In contrast, when the capacities of the conferencing links grow faster than (1/4) log P, then the asymptotic multiplexing gain with one round of conferencing is strictly smaller than that achieved with multiple rounds.",

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year = "2015",

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doi = "10.1109/ITW.2015.7133134",

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AU - Wigger, Michèle

AU - Timo, Roy

AU - Shitz Shamai, Shlomo

PY - 2015/6/24

Y1 - 2015/6/24

N2 - In this paper, we study how the number of conferencing rounds effects the capacity of large interference networks. We take Wyner's asymmetric linear (soft-handoff) model, include conferencing links between closely located transmitters and receivers, and we consider the per-user asymptotic multiplexing gain. Our results show, for example, that when the capacities of the conferencing links scale at most (1/4) log P with the power P and when one can choose which transmitters and receivers cooperate, then there is no loss in terms of asymptotic multiplexing gain in having only one round of conferencing. In contrast, when the capacities of the conferencing links grow faster than (1/4) log P, then the asymptotic multiplexing gain with one round of conferencing is strictly smaller than that achieved with multiple rounds.

AB - In this paper, we study how the number of conferencing rounds effects the capacity of large interference networks. We take Wyner's asymmetric linear (soft-handoff) model, include conferencing links between closely located transmitters and receivers, and we consider the per-user asymptotic multiplexing gain. Our results show, for example, that when the capacities of the conferencing links scale at most (1/4) log P with the power P and when one can choose which transmitters and receivers cooperate, then there is no loss in terms of asymptotic multiplexing gain in having only one round of conferencing. In contrast, when the capacities of the conferencing links grow faster than (1/4) log P, then the asymptotic multiplexing gain with one round of conferencing is strictly smaller than that achieved with multiple rounds.

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M3 - منشور من مؤتمر

T3 - 2015 IEEE Information Theory Workshop, ITW 2015

BT - 2015 IEEE Information Theory Workshop, ITW 2015

Y2 - 26 April 2015 through 1 May 2015

ER -

Conferencing in Wyner's asymmetric interference network: Effect of number of rounds

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