Title:
RECEPTION TERMINAL, TRANSMISSION AND RECEPTION SYSTEM, WIRELESS TRANSMISSION DEVICE, RECEPTION METHOD, AND TRANSMISSION AND RECEPTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/194698
Kind Code:
A1
Abstract:
This reception terminal accurately estimates the position of the reception terminal even if no wireless transmission device is installed nearby or a nearby wireless transmission device is broken. A reception terminal (200) comprises: a wireless reception unit (210) for receiving transmission data from a plurality of wireless transmission devices (100) and measuring reception powers; a transmission data information analysis unit (221) for extracting, from the transmission data, identification numbers for identifying the installation positions of the wireless transmission devices; a transmission data information storage unit (230) for registering the identification numbers and the reception powers from the wireless transmission devices corresponding to the identification numbers in a reception power table; and a position estimation unit (223) for calculating cumulative amounts of power received from the wireless transmission devices corresponding to the identification numbers on the basis of prescribed numbers of reception powers acquired from the reception power table and estimating the position of the reception terminal on the basis of reception ranks determined for the identification numbers according to the sizes of the cumulative amounts of received power and the installation positions of the wireless transmission devices identified using the plurality of identification numbers.
Inventors:
NAKATSUMA SAKI (JP)
YAMADA KAZUHIKO (JP)
INABA YUKITOSHI (JP)
YAMADA KAZUHIKO (JP)
INABA YUKITOSHI (JP)
Application Number:
PCT/JP2019/013751
Publication Date:
October 01, 2020
Filing Date:
March 28, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01S5/02; G01S1/68
Domestic Patent References:
| WO2016142997A1 | 2016-09-15 |
Foreign References:
| JP2017198567A | 2017-11-02 | |||
| JP2017015699A | 2017-01-19 | |||
| JP2015200504A | 2015-11-12 | |||
| KR20080097597A | 2008-11-06 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
Download PDF:
Previous Patent: STATION BUILDING AUXILIARY POWER SUPPLY DEVICE
Next Patent: AERIAL VIDEO DISPLAY DEVICE
Next Patent: AERIAL VIDEO DISPLAY DEVICE