An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network
In order to explore marine natural resources using remote robotic sensor or to enable rapid information exchange between ROV (remotely operated vehicles), AUV (autonomous underwater vehicle), divers, and ships, ultrasonic underwater communication systems are used. However, if the communication syste...
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| Format: | Article |
| Language: | English |
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Wiley
2015-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2015/841750 |
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| _version_ | 1849306617659523072 |
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| author | Rie Saotome Tran Minh Hai Yasuto Matsuda Taisaku Suzuki Tomohisa Wada |
| author_facet | Rie Saotome Tran Minh Hai Yasuto Matsuda Taisaku Suzuki Tomohisa Wada |
| author_sort | Rie Saotome |
| collection | DOAJ |
| description | In order to explore marine natural resources using remote robotic sensor or to enable rapid information exchange between ROV (remotely operated vehicles), AUV (autonomous underwater vehicle), divers, and ships, ultrasonic underwater communication systems are used. However, if the communication system is applied to rich living creature marine environment such as shallow sea, it suffers from generated Impulsive Noise so-called Shrimp Noise, which is randomly generated in time domain and seriously degrades communication performance in underwater acoustic network. With the purpose of supporting high performance underwater communication, a robust digital communication method for Impulsive Noise environments is necessary. In this paper, we propose OFDM ultrasonic communication system with diversity receiver. The main feature of the receiver is a newly proposed Frequency Domain Diversity Combined Impulsive Noise Canceller. The OFDM receiver utilizes 20–28 KHz ultrasonic channel and subcarrier spacing of 46.875 Hz (MODE3) and 93.750 Hz (MODE2) OFDM modulations. In addition, the paper shows Impulsive Noise distribution data measured at a fishing port in Okinawa and at a barge in Shizuoka prefectures and then proposed diversity OFDM transceivers architecture and experimental results are described. By the proposed Impulsive Noise Canceller, frame bit error rate has been decreased by 20–30%. |
| format | Article |
| id | doaj-art-319970e2d53b4b90a9a853a807a63cc2 |
| institution | Kabale University |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-319970e2d53b4b90a9a853a807a63cc22025-08-20T03:55:01ZengWileyThe Scientific World Journal2356-61401537-744X2015-01-01201510.1155/2015/841750841750An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater NetworkRie Saotome0Tran Minh Hai1Yasuto Matsuda2Taisaku Suzuki3Tomohisa Wada4Department of Information Engineering, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, JapanGraduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, JapanGraduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, JapanDepartment of Media Information Engineering, Okinawa National College of Technology, 905 Aza-Henoko, Nago, Okinawa 905-2191, JapanDepartment of Information Engineering, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, JapanIn order to explore marine natural resources using remote robotic sensor or to enable rapid information exchange between ROV (remotely operated vehicles), AUV (autonomous underwater vehicle), divers, and ships, ultrasonic underwater communication systems are used. However, if the communication system is applied to rich living creature marine environment such as shallow sea, it suffers from generated Impulsive Noise so-called Shrimp Noise, which is randomly generated in time domain and seriously degrades communication performance in underwater acoustic network. With the purpose of supporting high performance underwater communication, a robust digital communication method for Impulsive Noise environments is necessary. In this paper, we propose OFDM ultrasonic communication system with diversity receiver. The main feature of the receiver is a newly proposed Frequency Domain Diversity Combined Impulsive Noise Canceller. The OFDM receiver utilizes 20–28 KHz ultrasonic channel and subcarrier spacing of 46.875 Hz (MODE3) and 93.750 Hz (MODE2) OFDM modulations. In addition, the paper shows Impulsive Noise distribution data measured at a fishing port in Okinawa and at a barge in Shizuoka prefectures and then proposed diversity OFDM transceivers architecture and experimental results are described. By the proposed Impulsive Noise Canceller, frame bit error rate has been decreased by 20–30%.http://dx.doi.org/10.1155/2015/841750 |
| spellingShingle | Rie Saotome Tran Minh Hai Yasuto Matsuda Taisaku Suzuki Tomohisa Wada An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network The Scientific World Journal |
| title | An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network |
| title_full | An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network |
| title_fullStr | An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network |
| title_full_unstemmed | An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network |
| title_short | An OFDM Receiver with Frequency Domain Diversity Combined Impulsive Noise Canceller for Underwater Network |
| title_sort | ofdm receiver with frequency domain diversity combined impulsive noise canceller for underwater network |
| url | http://dx.doi.org/10.1155/2015/841750 |
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