NDLI: RPPK modulation with high data rates

Content Provider	Springer Nature Link
Author	Li, Bin Zhou, Zheng Zou, WeiXia
Copyright Year	2010
Abstract	With the development of communication technology, the precious frequency spectrum is becoming more and more crowded. Exploiting the particular filter with zero group delay, ultra narrow band (UNB) modulation is intended for acquiring the high frequency efficiency. Unfortunately, this UNB filter is confronted with great challenges from the classical communication theories. The validation on its realization is also difficult. This paper proposes a novel UNB modulation, namely random pulse position keying (RPPK). It is demonstrated from analysis that there is no inessential discrete spectral line in modulated signal’s power density spectrum (PDS), and the UNB filter has been successfully avoided. Consequently, RPPK is rather explicit in theory and simple in implementation. As is shown by the simulation, the frequency utilization of RPPK can even reach 100 bits/s/Hz. Its optimum receiving performance is slightly inferior to BPSK, yet is much superior to that of other UNB modulations such as VMSK/2. Moreover, multi-access and confidentiality are additional benefits to UNB users.
Starting Page	344
Ending Page	354
Page Count	11
File Format	PDF
ISSN	1674733X
Journal	Science in China Series : Information Sciences
Volume Number	53
Issue Number	2
e-ISSN	18622836
Language	English
Publisher	SP Science in China Press
Publisher Date	2010-01-28
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	UNB modulation frequency utilization efficiency RPPK PDS Information Systems and Communication Service
Content Type	Text
Resource Type	Article
Subject	Computer Science

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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