Iterative double-loop hierarchical decoding with soft-aided bit-wise H-SODEM in WPNC networks
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F18%3A00327170" target="_blank" >RIV/68407700:21230/18:00327170 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1109/ISTC.2018.8625375" target="_blank" >http://dx.doi.org/10.1109/ISTC.2018.8625375</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/ISTC.2018.8625375" target="_blank" >10.1109/ISTC.2018.8625375</a>
Alternative languages
Result language
angličtina
Original language name
Iterative double-loop hierarchical decoding with soft-aided bit-wise H-SODEM in WPNC networks
Original language description
This paper addresses Wireless Physical Layer Network (WPNC) coding using Isomorphic Layered Network Coded Modulation (NCM) in hierarchical MAC stage with Hierarchical Decode and Forward (HDF) strategy. We focus on using binary component codes in bit-wise mapped higher-order hierarchical constellations and on the way how to improve the outer code iterative decoding. Soft bit-wise hierarchical decoding metric exhibits two important properties. (1) Unlike the single-user case, the hierarchical metric is many-to-one function of message symbols and even for perfect a priori soft-information, it contains hierarchical self-dispersion. (2) The bit-wise mapping itself creates a complicated nonlinear block-like inter-bit structure binding and the bit-wise observation model cannot be any longer described by single-letter entities. It also strongly depends on the source constellation bit mapping, actual bit-wise a priori PMFs, and also on the actual relative channel parametrization. We derive bit-wise soft-aided Hierarchical Soft-Output Demodulator (H-SODEM). We show how to cope with self-dispersion in specific cases. We analyze the bit error rate properties of the dual- loop soft-aided bit-wise hierarchical decoding in 2-source H-MAC HDF scenario and show significant performance improvement w.r.t. classical uniform a priori case.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20202 - Communication engineering and systems
Result continuities
Project
<a href="/en/project/LTC17042" target="_blank" >LTC17042: Cooperative Coding and Processing in Dense Radio Cloud Communication Networks</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
The 10th International Symposium on Turbo Codes & Iterative Information Processing 2018
ISBN
978-1-5386-7048-4
ISSN
2165-4700
e-ISSN
2165-4719
Number of pages
5
Pages from-to
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Publisher name
IEEE
Place of publication
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Event location
Hong Kong
Event date
Dec 3, 2018
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000458662300073