Evaluation of group communication quality over WiBro for ship building environment
Pages 594 - 597
Abstract
In the process of construction in the shipbuilding industry, the loading process requires intimate communication among workers and is very dangerous work. Wireless sets with poor voice quality or TRS with call connection delays are currently being used for the communication. An IP-based group communication system is proposed to replace the existing communication systems and measurements and quality evaluation of the new system are necessary.
To obtain unified communication in the shipbuilding industry on the basis of a PoC (PIT over Cellular) service, the first service in the IP multimedia system, this article reviews the quality measurements and evaluation of group communication, based on an enterprise PoC service to overcome a very deteriorated NLOS resulting from the extensive presence of steel in the work environment, and to provide efficient communication services.
To verify that this service was theoretically applicable in this environment, analysis was performed and the results revealed a turnaround time of 1 second or less so that workers would experience no delay in communication with the WiBro-based enterprise PoC service.
References
[1]
SeongSoo Bae, DongHun Choi and KyuTae Choi, "WiBro Technology and System," SeWha publishing, 2006.(Korean)
[2]
O. Burman, Push-to-talk in PDC Packet Data Network.
[3]
Gonzalo Camarillo, Miguel A. Garc-Mart, 3G IP Multimedia Subsystem (IMS) (the 3rd edition), Ch 25. Push-to-Talk over Cellular, 2008.
[4]
Mongnam Han, Youngseok Lee, Sue Moon, Keon Jang and Dooyoung Lee, "Evaluation of VoIP Quality over WiBro," Lecture Notes in Computer Science, 2008.
[5]
Lin-Yi Wu, Meng-Hsun Tsai, Yi-Bing Lin, and Jen-Shun Yang, "A client-side design and implementation for push to talk over cellular service," Wireless Communications and Mobile Computing, Volume 7, Number 5, June 2007.
[6]
Eoin O'Regan and Dirk Pesch, Performance Estimation of a SIP based Push-to-Talk Service for 3G Networks
[7]
Open Mobile Alliance, Push to talk over Cellular (PoC) -Architecture, OMA-AD-PoC-V2_0-20080806-C.
[8]
WoonHyun Jung, et al, "The Implementation of the realtime AMR Voice Codec Devices using ARM Core," KICS, 2003.
Index Terms
- Evaluation of group communication quality over WiBro for ship building environment
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Published In
August 2009
687 pages
ISBN:9781605586625
DOI:10.1145/1644993
- General Chairs:
- Geuk Lee,
- Daniel Howard,
- Jeong Jin Kang,
- Program Chairs:
- Dominik Slezak,
- Tae Nam Ahn,
- Chung-Huang Yang
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Association for Computing Machinery
New York, NY, United States
Publication History
Published: 27 August 2009
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ICHIT '09
ICHIT '09: International Conference on Convergence and Hybrid Information Technology
August 27 - 29, 2009
Daejeon, Korea
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