| Presentation | 2015-10-27 [Poster Presentation] Active Period Detection Method of Primary Signal for Radio Environment Database Hao Wang, Takeo Fujii, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | As a solution to the spectrum shortage problem, a Radio Environment Database (RED), which is an external support to provide the information of primary user for the secondary user, is discussed to utilize, In conventional database construction method, the activity of primary user is considered to be always ON when the sensor uses the spectrum sensing to calculate the received power at each place. However, a state transition may occur during the sensing period, which leads to a reliability degradation of the RED. In this paper, an active period detection method of primary signal is proposed. In this method, transition point detection is used to detect a distribution change between ON and OFF state with applying CUSUM (cumulative sum) algorithm and GLR (Generalized Likelihood Ratio) algorithm. Then an active period is extracted by using the detected transition point. From simulation results, the transition point is well detected and the estimated received power is more accurate than the one using the conventional method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Cognitive RadioRadio Environment DatabaseTransition Point DetectionCUSUM (cumulative sum)GLR(Generalized Likelihood Ratio) |
| Paper # | SR2015-50,SRW2015-31 |
| Date of Issue | 2015-10-19 (SR, SRW) |
| Conference Information | |
| Committee | SR / SRW |
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| Conference Date | 2015/10/26(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | KKE |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Technical Exhibition, Product Exhibition, etc. |
| Chair | Takeo Fujii(Univ. of Electro-Comm.) / Hiroshi Harada(Kyoto Univ.) |
| Vice Chair | Kenta Umebayashi(Tokyo Univ. of Agric. and Tech.) / Masayuki Ariyoshi(NEC) / Masafumi Kato(Fujitsu) / Satoshi Denno(Okayama Univ.) |
| Secretary | Kenta Umebayashi(Shinshu Univ.) / Masayuki Ariyoshi(NICT) / Masafumi Kato(NTT) / Satoshi Denno(NICT) |
| Assistant | Kazuto Yano(ATR) / Mamiko Inamori(Tokai Univ.) / Hiroyuki Shiba(NTT) / Gia Khanh Tran(Tokyo Inst. of Tech.) / Wen Yun(Fujitsu) / Keiichi Mizutani(Kyoto Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Smart Radio / Technical Committee on Short Range Wireless Communications |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | [Poster Presentation] Active Period Detection Method of Primary Signal for Radio Environment Database |
| Sub Title (in English) | |
| Keyword(1) | Cognitive RadioRadio Environment DatabaseTransition Point DetectionCUSUM (cumulative sum)GLR(Generalized Likelihood Ratio) |
| 1st Author's Name | Hao Wang |
| 1st Author's Affiliation | The University of Electro-Communications(UEC) |
| 2nd Author's Name | Takeo Fujii |
| 2nd Author's Affiliation | The University of Electro-Communications(UEC) |
| Date | 2015-10-27 |
| Paper # | SR2015-50,SRW2015-31 |
| Volume (vol) | vol.115 |
| Number (no) | SR-273,SRW-274 |
| Page | pp.pp.21-22(SR), pp.21-22(SRW), |
| #Pages | 2 |
| Date of Issue | 2015-10-19 (SR, SRW) |