NDLI: Parallel combinatory multicarrier modulation in underwater acoustic communications

Content Provider	IET Digital Library
Author	Lu, Qin Hu, Xiaoyi Wang, Deqing Zhou, Shengli
Abstract	Parallel combinatory multicarrier (PCMC) modulation is a generalisation of the legacy multicarrier frequency shift keying (FSK) scheme, where for each group of M subcarriers, more than one (say L) subcarriers are chosen for simultaneous transmission. The PCMC scheme provides an effective way to increase the spectral efficiency while maintaining non-coherent detection at the receiver. This study provides an in-depth study of the PCMC scheme with emphasis on how to couple with binary or non-binary channel coding. One favourable system configuration is identified, having parameters (L,M) = (4,8), which increases the spectral efficiency by 50% relative to the most efficient FSK scheme from the FSK family. Coupled with non-binary low-density parity-check (LDPC) coding over the Galois field GF(64), the PCMC scheme with (L,M) = (4,8) is shown to have robust performance in multipath fading channels.
Starting Page	1331
Ending Page	1337
Page Count	7
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 9, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0475
Journal	IET Communications
Publisher Date	2017-03-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acoustic And Other Telecommunication System And Equipment Algebra Binary Channel Coding Binary Codes Channel Coding Code Fading Channel Frequency Shift Keying FSK Scheme Galois Field LDPC Coding Legacy Multicarrier Frequency Shift Keying Scheme Multipath Channel Multipath Fading Channel Nonbinary Channel Coding Noncoherent Detection Parallel Combinatory Multicarrier Modulation Parity Check Code PCMC Modulation Spectral Efficiency Underwater Acoustic Communication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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