PATENT CLAIM ANALYSIS

Application Number: 15872105
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["455", "456100"]

Abstract:
A time of arrival t and a carrier wave phase ϕ of a positioning pulse that is transmitted from a mobile station in each posteriori period and that is received by each of at least three fixed stations are input. Then, by using an error reduction algorithm, a time of arrival t k+1  of the positioning pulse in the following posteriori period is predicted by using a carrier wave phase difference Δϕ of the positioning pulse. Then, by using the predicted time of arrival t of the positioning pulse, the location of the mobile station is calculated. A time interval dt of a posteriori period is set to a time interval with which a difference Δϕ nm  between the carrier wave phase differences, which is changed by the movement of the mobile station at an assumable maximum movement speed, is no greater than 180°.

Claim (Index 6):
The location method according to  claim 4 , comprising:\n inputting an arrival time of at least one radio signal among a plurality of radio signals and carrier wave phases of two or more radio signals among the plurality of radio signals, the at least one radio signal among the plurality of radio signals being detected by each of the fixed stations, and the plurality of radio signals being transmitted from the mobile station at a plurality of times having a predetermined time interval in each posteriori period, and calculating a difference of arrival times of the plurality of radio signals between the fixed stations from the arrival time of the at least one radio signal, calculating a difference between a carrier wave phase difference of the plurality of radio signals between the fixed stations from a carrier wave phase of a radio signal among two or more radio signals, calculating a carrier wave phase difference of the radio signal between the fixed stations from a carrier wave phase of an other-time radio signal, and using the error reduction algorithm to increase reliability of the predicted arrival times of the plurality of radio signals in the following posteriori period, the arrival times being predicted from the difference of arrival times and the difference between the carrier wave phase differences.

Metadata:
- Claim Count in Document: 14.0
- Percentile: 86.0
- Lexical Diversity: 2.33333
- Patent Class: 455.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['09841889', '15801723', '11659199', '14726834', '12725276']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6789797960675368
- 35 USC 102 Novelty (BERT): 0.472992914963762
- Combined Prediction Score: 0.6583811079571593
- Mean Citation Score: 179.41606000000004
- Max Citation Score: 189.31332
- Similarity Product: 147.09896785726548

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test