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Suppression of relative-fading by diversity reception in wireless network coding 2-way relaying

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F12%3A00199408" target="_blank" >RIV/68407700:21230/12:00199408 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Suppression of relative-fading by diversity reception in wireless network coding 2-way relaying

  • Original language description

    We identify two distinct sources of fading significantly degrading performance of coherent Wireless Network Coding (WNC) in a wireless 2-way relay channel: absolute-fading and relativefading. Absolute-fading corresponds to a standard small-scale fading of a wireless point-to-point channel when absolute values of channel parameters are insufficiently strong. Relative-fading is a unique paradigm of WNC occurring when a ratio of channel parameters is close to certain critical values. In this paper, we showthat diversity reception techniques (essential to restrain absolute-fading) significantly suppresses relative-fading as well. We measure the impact of relative-fading on uncoded error performance and ergodic alphabet constrained capacity of representative QPSK alphabet in wireless Rayleigh/Rice channel. We conclude that relativefading is sufficiently suppressed by systems with a reasonable level of diversity which is typically assumed if only absolute-fading is present.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    JA - Electronics and optoelectronics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

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

Others

  • Publication year

    2012

  • Confidentiality

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