PATENT CLAIM ANALYSIS

Application Number: 16024836
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2020-01
Patent Classification: ["455", "456100"]

Abstract:
The present invention relates to a method and system of locating a wireless device using received signal strengths. The method comprising: determining a plurality of multiple sets of transmit beamforming weights corresponding to a plurality of access points (APs) associated with a plurality of time slots; transmitting a signal using said each of said plurality of multiple sets of transmit beamforming weights associated with said plurality of time slots by said each access point (AP) of said plurality of access points (APs); and generating a plurality of received signal strengths corresponding to said plurality of time slots associated with said each of said plurality of multiple sets of transmit beamforming weights by said each access point (AP) of said plurality of access points (APs) at any location.

Claim (Index 1):
A method for a receiver to determine its location using Received Signal Strength Indicator (RSSI) values received from the transmissions of a plurality n of access points, each of the access points having p antennas for transmitting beacon frames, p being an integer greater than 1, the access points and the receiver operative in a single frequency band, the method comprising:\n each of the access points transmitting a beacon frame during a periodic time slot, each beacon frame modified in succession by one of k beamforming sequences, each of the k beamforming sequences comprising modifying the beacon frame using a beamforming coefficient during each particular timeslot, each beamforming coefficient sequence having said p coefficients, one coefficient for each associated AP antenna; the beamforming sequences selected to form a unique two dimensional set of receive signal strengths over an (x,y) coordinate space, thereby allowing a receiver to determine a location in the (x,y) coordinate space from the signal strength received from two or more of the plurality of n access points.

Metadata:
- Claim Count in Document: 12.0
- Percentile: 94.0
- Lexical Diversity: 2.95833
- Patent Class: 455.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15142822', '12762029', '11850969', '15921397', '11842549']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6995758688428457
- 35 USC 102 Novelty (BERT): 0.4768382822177482
- Combined Prediction Score: 0.677302110180336
- Mean Citation Score: 197.589394
- Max Citation Score: 199.45813
- Similarity Product: 152.97615078819754

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test