Uniformly Most Powerful Alphabet for HDF Two-Way Relaying Designed by Non-linear Optimization Tools

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F11%3A00185407" target="_blank" >RIV/68407700:21230/11:00185407 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1109/ISWCS.2011.6125425" target="_blank" >http://dx.doi.org/10.1109/ISWCS.2011.6125425</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/ISWCS.2011.6125425" target="_blank" >10.1109/ISWCS.2011.6125425</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Uniformly Most Powerful Alphabet for HDF Two-Way Relaying Designed by Non-linear Optimization Tools

Popis výsledku v původním jazyce

Hierarchical-Decode-and-Forward (HDF) strategy, representing wireless/physical-layer network coding, is a promising 2-way relay strategy due to its potential to operate outside the classical multiple access capacity region. We consider a practical scenario assuming channel state information at the receiver side and no channel-adaptation, then HDF performance is unavoidably parametrized by channel fading coefficients. While some modulations have hierarchical minimal distance reaching its upper-bound forall parameter values (e.g. BPSK), some other modulations have the distance much lower (e.g. QPSK), which appears as it undergoes considerably stronger fading. Design of modulations with performance similar to BPSK (denoted Uniformly Most Powerful (UMP))have already been investigated restricting on non-linear frequency modulations. In this paper, we formulate UMP alphabet design as a bi-quadratically-constrained linear-program on which non-linear optimization methods are applied.

Název v anglickém jazyce

Uniformly Most Powerful Alphabet for HDF Two-Way Relaying Designed by Non-linear Optimization Tools

Popis výsledku anglicky

Hierarchical-Decode-and-Forward (HDF) strategy, representing wireless/physical-layer network coding, is a promising 2-way relay strategy due to its potential to operate outside the classical multiple access capacity region. We consider a practical scenario assuming channel state information at the receiver side and no channel-adaptation, then HDF performance is unavoidably parametrized by channel fading coefficients. While some modulations have hierarchical minimal distance reaching its upper-bound forall parameter values (e.g. BPSK), some other modulations have the distance much lower (e.g. QPSK), which appears as it undergoes considerably stronger fading. Design of modulations with performance similar to BPSK (denoted Uniformly Most Powerful (UMP))have already been investigated restricting on non-linear frequency modulations. In this paper, we formulate UMP alphabet design as a bi-quadratically-constrained linear-program on which non-linear optimization methods are applied.

Druh

D - Stať ve sborníku

CEP obor

JA - Elektronika a optoelektronika, elektrotechnika

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

2011 8th International Symposium on Wireless Communication Systems

ISBN

978-1-61284-401-5

ISSN

2154-0217

e-ISSN

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Počet stran výsledku

5

Strana od-do

594-598

Název nakladatele

RWTH Aachen University

Místo vydání

Aachen

Místo konání akce

Aachen

Datum konání akce

6. 11. 2011

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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