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author:

Huang, Caizheng (Huang, Caizheng.) [1] | Chen, Pingping (Chen, Pingping.) [2] (Scholars:陈平平) | Xie, Zhaopeng (Xie, Zhaopeng.) [3] | Fang, Yi (Fang, Yi.) [4]

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EI Scopus SCIE

Abstract:

To decode the transmit message pairs and then obtain the exclusive OR (XOR) message, this letter proposes the double-reliability-based decoding (DRB) algorithms with informed dynamic scheduling (IDS) for low-density parity-check (LDPC) coded physical-layer network coding (PNC) systems. The proposed DRB decoding with informed stability (IS-DRB) utilizes a new stability measure to determine the update order of the check nodes. Moreover, by exploiting the principle of PNC decoding, we present an improved IS-DRB (IIS-DRB) decoding to select the check node with unsatisfied PNC mapped checksum and the large stability to update first. This is due to that message propagated from this check node can quickly correct the variable node that causes unsatisfied checksum. Simulation results show that the proposed algorithms can realize significant performance improvement of about 0.5 dB over the conventional DRB decoding with the limited increase in complexity.

Keyword:

informed dynamic scheduling low-density parity-check codes Physical-layer network coding

Community:

  • [ 1 ] [Huang, Caizheng]Fuzhou Univ, Dept Elect Informat, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Chen, Pingping]Fuzhou Univ, Dept Elect Informat, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Xie, Zhaopeng]Fuzhou Univ, Dept Elect Informat, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Chen, Pingping]Singapore Univ Technol & Design, Dept Math, Singapore 487372, Singapore
  • [ 5 ] [Fang, Yi]Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Peoples R China

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Source :

IEEE COMMUNICATIONS LETTERS

ISSN: 1089-7798

Year: 2023

Issue: 8

Volume: 27

Page: 1949-1953

3 . 7

JCR@2023

3 . 7 0 0

JCR@2023

ESI Discipline: COMPUTER SCIENCE;

ESI HC Threshold:32

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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