NDLI: NTP network timing technique research for Android and iOS mobile platform

Content Provider	IEEE Xplore Digital Library
Author	Hong-Jiao Ma Meng Li Kang Wang Zhong Dou HaiFeng Jiang
Copyright Year	2014
Description	Author affiliation: Nat. Time Service Center, Xi'an, China (Hong-Jiao Ma; Meng Li; Kang Wang; Zhong Dou; HaiFeng Jiang)
Abstract	iOS operating system for Apple and Android operating system for Samsung, Huawei and other worldrenowned mobile phone manufacturers are representing the fashion trend of mobile phone development and also leading the development trend of mobile technology. However, due to the restriction of time synchronization strategy and time server functionality, both Android and iOS mobile platform are not provided with the function of high precision NTP network timing. In this paper, on the basis of advanced computer language JAVA and Xcode, NTP network time synchronization software for Android and iOS mobile platforms are produced. The simulation results of software simulator and mobile phone show that: for Android mobile platform, the mean value and variance (STD) of network latency and time deviation are some hundred milliseconds; while for iOS mobile platform, since there's no publicity of time synchronization function, therefore, by using analog technology, the mean value and variance (STD) of network latency and time deviation are some ten milliseconds. In the end, this paper also summarizes and presents the next generation time service strategy of us for Android and iOS system through the study mentioned above.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Soc.
Starting Page	1
Ending Page	4
File Size	670494
Page Count	4
File Format	PDF
ISBN	9781479949151
DOI	10.1109/FCS.2014.6859893
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-19
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Smart phones Mobile communication Synchronization Protocols Operating systems
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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