Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna
Traditional direction-finding systems are based on processing the outputs of multiple spatially separated antennas. The impinging signal Angle-of-Arrival (AOA) is estimated using the relative phase and amplitude of the multiple outputs that are sampled simultaneously. Here, we explore the potential...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-11-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/23/9208 |
| _version_ | 1797462185065054208 |
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| author | Guy Eliyahu Amnon Menashe Maor Roei Meshar Reem Mukamal Anthony J. Weiss |
| author_facet | Guy Eliyahu Amnon Menashe Maor Roei Meshar Reem Mukamal Anthony J. Weiss |
| author_sort | Guy Eliyahu |
| collection | DOAJ |
| description | Traditional direction-finding systems are based on processing the outputs of multiple spatially separated antennas. The impinging signal Angle-of-Arrival (AOA) is estimated using the relative phase and amplitude of the multiple outputs that are sampled simultaneously. Here, we explore the potential of a single moving antenna to provide useful direction finding of a single transmitter. If the transmitted signal frequency is steady enough during the collection of data, a single antenna can be moved while tracking the phase changes to provide an Angle-of-Arrival measurement. The advantages of a single-antenna sensor include the sensor size, the lack of a need for multiple-receiver synchronization in time and frequency, the lack of mutual antenna coupling, and the cost of the system. However, a single-antenna sensor requires an accurate knowledge of its position during the data collection and it is challenged by transmitter phase instability, signal modulation, and transmitter movement during the measurement integration time. We analyze the performance of the proposed sensor, support the analysis with simulations and finally, present measurements performed by hardware configured to check the validity of the proposed single-antenna sensor. |
| first_indexed | 2024-03-09T17:32:54Z |
| format | Article |
| id | doaj.art-7506f9dc84f74bd494b918102ac5ecbf |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-09T17:32:54Z |
| publishDate | 2022-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-7506f9dc84f74bd494b918102ac5ecbf2023-11-24T12:10:20ZengMDPI AGSensors1424-82202022-11-012223920810.3390/s22239208Single Transmitter Direction Finding Using a Single Moving Omnidirectional AntennaGuy Eliyahu0Amnon Menashe Maor1Roei Meshar2Reem Mukamal3Anthony J. Weiss4Elisra-Elbit Ltd., Holon 5885118, IsraelElisra-Elbit Ltd., Holon 5885118, IsraelSchool of Electrical Engineering, Tel Aviv University, Tel Aviv 6997801, IsraelSchool of Electrical Engineering, Tel Aviv University, Tel Aviv 6997801, IsraelSchool of Electrical Engineering, Tel Aviv University, Tel Aviv 6997801, IsraelTraditional direction-finding systems are based on processing the outputs of multiple spatially separated antennas. The impinging signal Angle-of-Arrival (AOA) is estimated using the relative phase and amplitude of the multiple outputs that are sampled simultaneously. Here, we explore the potential of a single moving antenna to provide useful direction finding of a single transmitter. If the transmitted signal frequency is steady enough during the collection of data, a single antenna can be moved while tracking the phase changes to provide an Angle-of-Arrival measurement. The advantages of a single-antenna sensor include the sensor size, the lack of a need for multiple-receiver synchronization in time and frequency, the lack of mutual antenna coupling, and the cost of the system. However, a single-antenna sensor requires an accurate knowledge of its position during the data collection and it is challenged by transmitter phase instability, signal modulation, and transmitter movement during the measurement integration time. We analyze the performance of the proposed sensor, support the analysis with simulations and finally, present measurements performed by hardware configured to check the validity of the proposed single-antenna sensor.https://www.mdpi.com/1424-8220/22/23/9208direction finding (DF)Angle-of-Arrival (AOA)Direction of Arrival (DOA)Single SensorCramér–Rao Lower Bound (CRLB) |
| spellingShingle | Guy Eliyahu Amnon Menashe Maor Roei Meshar Reem Mukamal Anthony J. Weiss Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna Sensors direction finding (DF) Angle-of-Arrival (AOA) Direction of Arrival (DOA) Single Sensor Cramér–Rao Lower Bound (CRLB) |
| title | Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna |
| title_full | Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna |
| title_fullStr | Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna |
| title_full_unstemmed | Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna |
| title_short | Single Transmitter Direction Finding Using a Single Moving Omnidirectional Antenna |
| title_sort | single transmitter direction finding using a single moving omnidirectional antenna |
| topic | direction finding (DF) Angle-of-Arrival (AOA) Direction of Arrival (DOA) Single Sensor Cramér–Rao Lower Bound (CRLB) |
| url | https://www.mdpi.com/1424-8220/22/23/9208 |
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