ClassID:

172760

G01S13/762 - CPC Classification

Classification description:

Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified; Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.

Recent Application in this class:
#1
20260056310
2026-02-26

INTERFERENCE LIMITING FOR SURVEILLANCE MESSAGES

#2
20250020792
2025-01-16

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS

#3
20240427007
2024-12-26

LOCATION OF TARGET OBJECT USING WIRELESS RANGING AND USER EQUIPMENT POSITIONS

#4
20240319361
2024-09-26

Multi-element aperture for identification friend or foe (IFF) transponder systems

#5
20240319359
2024-09-26

RECONFIGURABLE INTELLIGENT SURFACE (RIS) AIDED ROUND-TRIP-TIME (RTT)-BASED USER EQUIPMENT (UE) POSITIONING

#6
20240192356
2024-06-13

METHODS AND SYSTEMS FOR INDIRECTLY PROFILING A SECONDARY SURVEILLANCE RADAR (SSR) AND DETERMINING A POSITION OF AN AIRCRAFT USING THEREOF

#7
20240036163
2024-02-01

SYSTEM AND METHOD FOR BEAM MANAGEMENT WITH RADAR BASED RF EXPOSURE ESTIMATION IN MOBILE DEVICES

#8
20230333238
2023-10-19

Dual frequency ranging with calculated integer wavelength delays in RF environments

#9
20230141517
2023-05-11

Interference limiting for surveillance messages

#10
20220407844
2022-12-22

Encryption of management frames for securing long training field sequence generation and scheme for transmitting sounding signal indications

#11
20220377699
2022-11-24

Access Point (AP) placement using Fine Time Measurement (FTM)

#12
20220268910
2022-08-25

ULTRA-WIDEBAND INTEGRATED CIRCUIT (UWB IC) AND METHOD OF CALIBRATING A UWB PRODUCT THAT EMPLOYS THE UWB IC

#13
20220196793
2022-06-23

Joint denoising and delay estimation for the extraction of pulse-width of signals in RF interference

#14
20220137206
2022-05-05

Aviation detect and avoid method and system

#15
20220035021
2022-02-03

Secondary radar improving aerial safety via very-long-range ADS-B detection

#16
20220026559
2022-01-27

Method and apparatus for controlling ranging in wireless communication system

#17
20210364597
2021-11-25

Attack detection and mitigation for fine timing measurement

#18
20210356581
2021-11-18

Method for SRS for positioning resource overhead reduction in multi-RTT

#19
20210263141
2021-08-26

Transmission control device, vehicle system, transmission control method, and control program product

#20
20210255308
2021-08-19

Automatic reception window for geo-locating WLAN devices

#21
20210231793
2021-07-29

Dual frequency ranging with calculated integer wavelength delays in RF environments

#22
20210199793
2021-07-01

METHOD FOR BLUETOOTH LOW ENERGY RF RANGING SEQUENCE

#23
20210156989
2021-05-27

Method for detecting conflicts in the II/SI identification code of a mode S radar with nearby radars, and secondary radar implementing such a method

#24
20210149039
2021-05-20

Localization using millimeter wave beam attributes for keyless entry applications

#25
20210120515
2021-04-22

Access point (AP) placement using fine time measurement (FTM)

#26
20210088645
2021-03-25

Systems and methods for selecting ultra-wideband preamble according to environmental condition

#27
20210080559
2021-03-18

Distance estimation method in an LPWA network and a position estimation method associated therewith

#28
20210033721
2021-02-04

Secondary radar with mode s adaptive beam control for each aircraft

#29
20200389193
2020-12-10

Interference limiting for surveillance messages

#30
20200384951
2020-12-10

Low frequency or ultra wide band control by BLE in identification device

#31
20200363524
2020-11-19

Method for performing distance measurement and authentication concurrently and electronic device thereof

#32
20200355819
2020-11-12

Framework and method for acknowledging multiple messages in UWB communication and ranging systems

#33
20200278441
2020-09-03

Method for determining a distance between two nodes

#34
20200269810
2020-08-27

Process for detection of a portable user device in a predetermined zone on the inside of or on the outside of a vehicle by ultra high frequency, associated detection device and associated user device

#35
20200166631
2020-05-28

Time / angle of arrival measurement using narrowband signals

#36
20200150262
2020-05-14

Method and apparatus for controlling ranging in wireless communication system

#37
20200142051
2020-05-07

Station detection using frequency-diverse array signals

#38
20200142050
2020-05-07

Radio frequency (RF) ranging in propagation limited RF environments

#39
20200132829
2020-04-30

Methods of ranging for next generation vehicle-to-everything (NGV) systems

#40
20200088869
2020-03-19

Accurate localization of client devices for wireless access points

#41
20190339377
2019-11-07

Method and system for high resolution range and speedometers

#42
20190250266
2019-08-15

Method and system for tracking objects using passive secondary surveillance radar

#43
20190187271
2019-06-20

Method for measuring antenna patterns of a secondary radar and secondary radar implementing such a method

#44
20190162840
2019-05-30

Method for controlling transmission of an electronically steerable antenna system and such electronically steerable antenna system

#45
20190132294
2019-05-02

Encryption of management frames for securing long training field sequence generation and scheme for transmitting sounding signal indications

#46
20180372859
2018-12-27

Radar systems and methods

#47
20180372830
2018-12-27

Apparatus and method for representing user information received by an antenna apparatus with a directional characteristic

#48
20180254925
2018-09-06

Processing module and associated method

#49
20180074161
2018-03-15

Beacon and associated components for a ranging system

#50
20170276782
2017-09-28

Secondary radar able to detect targets at high elevation

#51
20170179593
2017-06-22

Auxiliary antenna array for wideband sidelobe cancellation

#52
20160091601
2016-03-31

Holonomically constrained (tethered) spin-around locator

#53
20140197928
2014-07-17

System for and method of locating radio frequency identification (RFID) tags associated with items in a controlled area

#54
20120092211
2012-04-19

Device for receiving secondary radio signals with quasi-dynamic or dynamic sectoring of the space to be monitored and corresponding method

#55
20110090059
2011-04-21

RFID beam forming system

#56
20100289689
2010-11-18

Secondary surveillance radar

#57
20100141454
2010-06-10

RF tag reader for accurate position determination

#58
20090295641
2009-12-03

Method of locating the positions of wheels of a vehicle

#59
20090267852
2009-10-29

Small aperture interrogator antenna system employing sum difference azimuth discrimination techniques

#60
20090243911
2009-10-01

METHOD AND DEVICE FOR POSITIONING AIRCRAFT, SUCH AS FOR AUTOMATIC GUIDING DURING THE LANDING PHASE

#61
20090109085
2009-04-30

Method and system for calibrating an antenna array for an aircraft surveillance system

#62
20080012710
2008-01-17

RFID beam forming system

#63
20060284759
2006-12-21

System and method for suppressing IFF responses in the sidelobes and backlobes of IFF interrogator antennas

#64
17088768
2022-05-03

Monopulse secondary surveillance radar system