| Presentation | 2017-02-23 Feature detection scheme using Cyclic Prefix (CP) in OFDM signal Kanshiro Kashiki, Tomoki Sada, Akihide Nagamine, Fumio Watanabe, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In the fifth generation cellular system, use of 28 GHz band is discussed as new radio frequency. Since the band is also allocated to the satellite system which is now being operated, their mutual interference will be an important study issue. In the report, we deal with the interference in the satellite uplink from the cellular system. Considering the communication specifications of both systems, it is thought that the interference from the cellular system will not be harmful. On the other hand, if it is required that even small interference is monitored, an interference measuring scheme with high sensitivity is needed. The authors have investigated the feature detection scheme using Cyclic Prefix (CP) in the OFDM signal. Herein, such scheme is applied to the measuring method to estimate the power ratio of the satellite signal to cellular signal. The satellite system under discussion is the 3.2 Gbps transmission using the WINDS (Wideband InterNetworking engineering test and Demonstration Satellite), whose signal has CP element. The specifications of the cellular system is supposed based on the presently operating LTE system. From simulation results, it is concluded that power ratio of 40 dB can be measured with high accuracy, in such supposed model that both signals have CP elements. Furthermore, in the detection of cellular signal, it is clarified that the satellite signal can be treated like as thermal noise, where the satellite signal affects as interfering sources. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | OFDM signal / feature detection / Cyclic Prefix / millimeter band / interference monitoring between satellite and cellular systems |
| Paper # | SAT2016-68 |
| Date of Issue | 2017-02-16 (SAT) |
| Conference Information | |
| Committee | SANE / SAT |
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| Conference Date | 2017/2/23(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Katsuura Hotel Mikazuki |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite Application and General |
| Chair | Hirokazu Kobayashi(Osaka Inst. of Tech.) / Takatoshi Sugiyama(Kogakuin Univ.) |
| Vice Chair | Takahide Mizuno(JAXA) / Toshifumi Moriyama(Nagasaki Univ.) / Toshinori Susuki(Tohoku Gakuin Univ.) / Hiroyuki Tsuji(NICT) |
| Secretary | Takahide Mizuno(JAXA) / Toshifumi Moriyama(Mitsubishi Electric) / Toshinori Susuki(NTT) / Hiroyuki Tsuji(KDDI R&D Labs.) |
| Assistant | Atsushi Kezuka(ENRI) / Manabu Akita(Univ. of Electro-Comm.) |
| Paper Information | |
| Registration To | Technical Committee on Space, Aeronautical and Navigational Electronics / Technical Committee on Satellite Telecommunications |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Feature detection scheme using Cyclic Prefix (CP) in OFDM signal |
| Sub Title (in English) | Interference monitoring between satellite and cellular systems in millimeter band (in satellite uplink) |
| Keyword(1) | OFDM signal |
| Keyword(2) | feature detection |
| Keyword(3) | Cyclic Prefix |
| Keyword(4) | millimeter band |
| Keyword(5) | interference monitoring between satellite and cellular systems |
| Keyword(6) | |
| 1st Author's Name | Kanshiro Kashiki |
| 1st Author's Affiliation | KDDI Research, Inc(KDDI Research) |
| 2nd Author's Name | Tomoki Sada |
| 2nd Author's Affiliation | KDDI Research, Inc(KDDI Research) |
| 3rd Author's Name | Akihide Nagamine |
| 3rd Author's Affiliation | Tokyo Institue of technology(Tokyo Tech.) |
| 4th Author's Name | Fumio Watanabe |
| 4th Author's Affiliation | KDDI Research, Inc/Tokyo Institue of technology(KDDI Research/Tokyo Tech.) |
| Date | 2017-02-23 |
| Paper # | SAT2016-68 |
| Volume (vol) | vol.116 |
| Number (no) | SAT-470 |
| Page | pp.pp.41-46(SAT), |
| #Pages | 6 |
| Date of Issue | 2017-02-16 (SAT) |