| Paper Abstract and Keywords |
| Presentation |
2025-11-07 13:00
[Invited Lecture]
Development of microwave power transmission system using distributed antenna system
Yuki Tanaka, Hikaru Hamase, Hiroyuki Tani (Panasonic Holdings) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In recent years, the popularity of Internet of Things (IoT) devices is rapidly expanding. IoT devices include home appliances, industrial equipment, sensors, actuators, and display terminals, each of which is utilized in a wide variety of environments. These devices are primarily connected to networks via wireless communication, either directly or indirectly, and are powered by energy sources such as coin-cell primary batteries or lithium-polymer rechargeable batteries. The requirement for battery replacement and charging of these devices could be limiting the widespread adoption of IoT devices.
Wireless Power Transmission (WPT) technology has attracted attention as a solution to these challenges.
WPT, which uses microwaves, can deliver power over a wide range (several meters to several tens of meters). However, its application is limited because the received power is very small, which is inversely proportional to the square of the distance.
Therefore, distributed cooperative wireless power transfer technology, which simultaneously transmits power from multiple antennas placed in space, has been researched.
Distributed antennas can significantly increase the received power at the receiver. Specifically, when $N$ antennas are used, the received power improves by $N^2$, rather than $N$ times, compared to a single antenna. In this presentation, we will provide an overview of the background of distributed cooperative wireless power transmission technology and report the results of system evaluation through simulations and experiments. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Far-field Wireless Power Transmission / Internet of Things / Rectenna / Distributed Antenna System / / / / |
| Reference Info. |
ITE Tech. Rep. |
| Paper # |
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| Date of Issue |
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| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
IEICE-CQ IEE-CMN BCT |
| Conference Date |
2025-11-06 - 2025-11-07 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Tokimate |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
IEICE-CQ |
| Conference Code |
2025-11-CQ-CMN-BCT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Development of microwave power transmission system using distributed antenna system |
| Sub Title (in English) |
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| Keyword(1) |
Far-field Wireless Power Transmission |
| Keyword(2) |
Internet of Things |
| Keyword(3) |
Rectenna |
| Keyword(4) |
Distributed Antenna System |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Yuki Tanaka |
| 1st Author's Affiliation |
Panasonic Holdings (Panasonic Holdings) |
| 2nd Author's Name |
Hikaru Hamase |
| 2nd Author's Affiliation |
Panasonic Holdings (Panasonic Holdings) |
| 3rd Author's Name |
Hiroyuki Tani |
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Panasonic Holdings (Panasonic Holdings) |
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| Speaker |
Author-1 |
| Date Time |
2025-11-07 13:00:00 |
| Presentation Time |
25 minutes |
| Registration for |
IEICE-CQ |
| Paper # |
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| Volume (vol) |
vol.49 |
| Number (no) |
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| Page |
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