NDLI: Continuously available net entry synchronization technique

Content Provider	IEEE Xplore Digital Library
Author	Cai, K.V. O'Connor, R.J. Jackson, E.M.
Copyright Year	1990
Description	Author affiliation: Hughes Aircraft Co., Fullerton, CA, USA (Cai, K.V.; O'Connor, R.J.; Jackson, E.M.)
Abstract	The design and performance of a net entry synchronization technique for use in a high-hop-rate antijam system is presented. The technique transmits a continuous hidden preamble, imbedded in the communication waveform, to allow new units with large initial time error to enter the network by aligning their timing with the network time. Since the hidden preamble is continuously transmitted, any unit can enter the network at any time, and can repeat the acquisition process as many times as necessary to achieve specific performance requirement. A net entry process is essential to establishing a frequency-hopping communication network. The net entry synchronization concept presented can be applied to all frequency-hopping networks, but the design is particularly refined for protection against the communication jamming and multipath fading found in the high-frequency (HF) communication band. The synchronization scheme is analyzed, and it is shown that in a Rayleigh fading channel, with a signal-to-noise ratio of 8 dB, a receiver can achieve 99% probability of network entry within 3.25 s.
Starting Page	202
Ending Page	206
File Size	348882
Page Count	5
File Format	PDF
DOI	10.1109/MILCOM.1990.117413
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-09-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency synchronization Spread spectrum communication Jamming Timing Differential quadrature phase shift keying Communication networks Aircraft Protection Rayleigh channels Signal analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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