NDLI: LDPC coded lossy forwarding scheme for cooperative wireless networks

Content Provider	IET Digital Library
Author	Jayakody, D. N. K.
Abstract	A new methodology for lossy forwarding based on a novel technique known as soft angular modulation is investigated. In this new relay (R) scheme, the soft symbols are embedded into phases at the R. This is more advantageous as to forward real values (under bandwidth constraints) via wireless channels is refrained. This makes the proposed scheme practically feasible. The proposed system provides a means of using distributed low-density parity-check coding. This also precludes the amplitudes of generated symbols descent to zero, as happens with most of the existing soft forwarding (or lossy) methods. Ordinarily, such schemes suffer from error propagation to the destination when the signal-to-noise ratio of the source (S)–R link is low; however, the system avoids this problem by regenerating soft versions of the S symbols at the R. Simulation results demonstrate that the proposed scheme can maintain very good performance.
Starting Page	2070
Ending Page	2072
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 25, Dec (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/25
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.2444
Journal	Electronics Letters
Publisher Date	2016-11-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Angle Modulation Bandwidth Constraint Channel Coding Code Cooperative Communication Cooperative Wireless Network Distributed Low-density Parity-check Coding Error Propagation LDPC Coded Lossy Forwarding Scheme Parity Check Code Radio Link And Equipment Relay Network Relay Scheme Signal to Noise Ratio Soft Angular Modulation Soft Forwarding Method Soft Symbols Telecommunication Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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