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Báo cáo hóa học: " Research Article Is HAPS Viable for the Next-Generation Telecommunication Platform in Korea?"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Is HAPS Viable for the Next-Generation Telecommunication Platform in Korea? | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2008 Article ID 596383 8 pages doi 10.1155 2008 596383 Research Article Is HAPS Viable for the Next-Generation Telecommunication Platform in Korea Jonghwa Kim 1 Deokjoo Lee 2 Jaekyoung Ahn 3 Do-Seob Ahn 4 and Bon-Jun Ku4 1 Department of Industrial Engineering Konkuk University 1 Hwayang-Dong Gwangjin-Gu Seoul 143-701 South Korea 2 Department of Industrial Engineering Kyunghee University 1 Seocheon-Dong Kiheung-Gu Yongin 446-701 South Korea 3 Department of Industrial Information Systems Engineering Seoul National University of Technology 172 Gongneung-Dong Nowon-Gu Seoul 139-743 South Korea 4 Radio and Broadcasting Research Division Electronics and Telecommunications Research Institute 162 Gajeong-Dong Yuseong-Gu Daejeon 305-350 South Korea Correspondence should be addressed to Jaekyoung Ahn jkahn@snut.ac.kr Received 30 September 2007 Revised 12 February 2008 Accepted 6 May 2008 Recommended by David Grace HAPS is a promising technology capable of providing broadband multimedia services as an alternative to the satellite communication system or terrestrial network. In this study economic aspects of HAPS service are analyzed HAPS services are defined and revenues from the defined services are forecasted assuming nine scenarios. Capital expenditure as well as operating expenditure is estimated. To evaluate the profitability of HAPS service the net present value NPV payback period and the internal rate of return IRR are calculated. The results show that HAPS is economically justifiable in all the scenarios. Assuming that ARPU for the service is 35 per month in the average scenario NPV is calculated as 2964 million IRR becomes 31.9 and payback occurs in 2017 which implies that HAPS service is profitable in Korea. In addition the results of the sensitivity analysis show that the results are fairly robust. Copyright 2008 Jonghwa Kim et al. This is an open access article .