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Mobile-Taiwan experience in voice over IP-worldwide interoperability for microwave access trial
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Lin, Y. -B., Sung, Y. -C., Rashvand, H. F., Liu, C. -L. and Liao, Y. -J. (2010) Mobile-Taiwan experience in voice over IP-worldwide interoperability for microwave access trial. IET Communications, Vol.4 (No.9). pp. 1130-1141. doi:10.1049/iet-com.2009.0131
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Official URL: http://dx.doi.org/10.1049/iet-com.2009.0131
Abstract
Considering voice as a dominant telecommunication service, the performance of Voice over IP (VoIP) plays a critical role in deployment of worldwide interoperability for microwave access (WiMAX) technology providing all-IP network services. To that effect, in this study, the authors investigate the performance of a WiMAX-based VoIP established under the mobile Taiwan (M-Taiwan) field-trial funded program. To achieve the objectives of the trial the measurement results expressed in the form of mean opinion score (MOS), packet loss, packet delay and jitters. For the worst-case scenario, the tests were conducted under a stringent condition of both communicating devices, wirelessly connected to the same WiMAX base station under a heavy background traffic and interference, were experiencing simultaneous handovers during the communication. Upon their analysis, the field measurements confirm an excellent performance when both communicating devices kept stationary and show an acceptable quality for the service when both communicating devices are on the move at a speed of 50 km/h.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science > Engineering | ||||
| Journal or Publication Title: | IET Communications | ||||
| Publisher: | The Institution of Engineering and Technology | ||||
| ISSN: | 1751-8628 | ||||
| Official Date: | 11 June 2010 | ||||
| Dates: |
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| Volume: | Vol.4 | ||||
| Number: | No.9 | ||||
| Number of Pages: | 12 | ||||
| Page Range: | pp. 1130-1141 | ||||
| DOI: | 10.1049/iet-com.2009.0131 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | MoEA M, ITRI, NCTU, MoE, Advanced Communication Systems Limited | ||||
| Grant number: | NSC96-2752-E-009-005-PAE, NSC 96-2219-E-009-019, NSC 96-2221-E-009-020 |
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