Inventor
ZHANG XIAOXIN
US105 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG XIAOXIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
27 patentsUS10247808B2Apr 2, 2019
Location reporting for extremely high frequency (EHF) devices
QUALCOMM INC7 citations84
US9973949B2May 15, 2018
FTM protocol with angle of arrival and angle of departure
QUALCOMM INC5 citations84
US9699052B2Jul 4, 2017
Methods and systems for enhanced round trip time (RTT) exchange
QUALCOMM INC7 citations84
US9432964B2Aug 30, 2016
Method and apparatus for determining locations of access points
QUALCOMM INC15 citations84
US9332523B2May 3, 2016
Systems and methods of offloaded positioning for determining location of WLAN nodes
QUALCOMM INC12 citations84
US9907047B1Feb 27, 2018
Passive positioning procedure and use of single burst ASAP FTM sessions
QUALCOMM INC8 citations83
US10200097B2Feb 5, 2019
Enhanced antenna array training
QUALCOMM INC3 citations73
US10182360B2Jan 15, 2019
FTM protocol with angle of arrival and angle of departure
QUALCOMM INC1 citations73
US10135638B2Nov 20, 2018
Protection of ranging sounding signals from physical level attacks
QUALCOMM INC2 citations73
US10129120B2Nov 13, 2018
Methods and systems for enhanced round trip time (RTT) exchange
QUALCOMM INC2 citations73
US10064077B2Aug 28, 2018
FTM protocol with angle of arrival and angle of departure
QUALCOMM INC3 citations73
US9923792B2Mar 20, 2018
Methods and systems for enhanced round trip time (RTT) exchange
QUALCOMM INC2 citations73
US9924387B2Mar 20, 2018
FTM protocol with angle of arrival and angle of departure
QUALCOMM INC3 citations73
US9907044B2Feb 27, 2018
IEEE 802.11 enhancements for high efficiency positioning
QUALCOMM INC3 citations73
US9867004B2Jan 9, 2018
Broadcast time-of-departure (TOD) frame format
QUALCOMM INC3 citations73
US9781560B2Oct 3, 2017
Ranging over multiple antennas
QUALCOMM INC3 citations73
US9730179B2Aug 8, 2017
Passive locationing over multiple channels
QUALCOMM INC6 citations73
US12114180B2Oct 8, 2024
Wireless communication techniques employing beamforming based on spatial relationship to human tissue
QUALCOMM INC2 citations72
US11131743B2Sep 28, 2021
Unicast and broadcast protocol for wireless local area network ranging and direction finding
QUALCOMM INC3 citations72
US10379196B2Aug 13, 2019
Unicast and broadcast protocol for wireless local area network ranging and direction finding
QUALCOMM INC3 citations72
US10142781B2Nov 27, 2018
Methods and systems for a ranging protocol
QUALCOMM INC2 citations72
US10462633B2Oct 29, 2019
Bluetooth based motion detection systems
QUALCOMM INC3 citations71
US9497641B2Nov 15, 2016
Cyclic shift delay detection using a classifier
QUALCOMM INC3 citations71
US11743682B2Aug 29, 2023
Indoor map generation using radio frequency sensing
QUALCOMM INC2 citations68
US10171151B1Jan 1, 2019
Throughput optimization by guard interval selection from beamforming feedback
QUALCOMM INC2 citations67
US9161330B2Oct 13, 2015
Method of enabling single chain ranging operations
QUALCOMM INC3 citations63
US12375879B2Jul 29, 2025
Systems and methods for navigation model enhancement
QUALCOMM INC0 citations62
ZHANG XIAOXIN
8 patentsUS8457655B2Jun 4, 2013
Hybrid time of arrival based positioning system
ZHANG XIAOXIN60 citations98
US8837316B2Sep 16, 2014
RTT based ranging system and method
ZHANG XIAOXIN7 citations84
US8489114B2Jul 16, 2013
Time difference of arrival based positioning system
ZHANG XIAOXIN8 citations84
US8824325B2Sep 2, 2014
Positioning technique for wireless communication system
ZHANG XIAOXIN4 citations73
US10209863B2Feb 19, 2019
Method and apparatus for displaying cascading menu
ZHANG XIAOXIN2 citations63
US8971429B2Mar 3, 2015
Cyclic shift delay detection using autocorrelations
ZHANG XIAOXIN2 citations63
US8755304B2Jun 17, 2014
Time of arrival based positioning for wireless communication systems
ZHANG XIAOXIN3 citations63
US8521181B2Aug 27, 2013
Time of arrival based positioning system
ZHANG XIAOXIN3 citations63
SAMSUNG ELECTRONICS CO LTD
7 patentsUS7566364B2Jul 28, 2009
Method of fabricating orientation-controlled single-crystalline wire and method of fabricating transistor having the same
SAMSUNG ELECTRONICS CO LTD28 citations93
US7297615B2Nov 20, 2007
Si nanowire substrate, method of manufacturing the same, and method of manufacturing thin film transistor using the same
SAMSUNG ELECTRONICS CO LTD32 citations93
US7557411B2Jul 7, 2009
Semi-conductor-on-insulator structure, semiconductor devices using the same and method of manufacturing the same
SAMSUNG ELECTRONICS CO LTD12 citations84
US7772711B2Aug 10, 2010
Semiconductor device including single crystal silicon layer
SAMSUNG ELECTRONICS CO LTD6 citations72
US8022408B2Sep 20, 2011
Crystalline nanowire substrate, method of manufacturing the same, and method of manufacturing thin film transistor using the same
SAMSUNG ELECTRONICS CO LTD2 citations63
US7714330B2May 11, 2010
Si nanowire substrate
SAMSUNG ELECTRONICS CO LTD2 citations63
US7662678B2Feb 16, 2010
Method of forming a more highly-oriented silicon layer and substrate having the same
SAMSUNG ELECTRONICS CO LTD5 citations63
ZHOU WEI
3 patentsUS8793551B2Jul 29, 2014
Serial concatenation of trellis coded modulation and an inner non-binary LDPC code
ZHOU WEI19 citations92
US8660203B2Feb 25, 2014
Data reception using low density parity check coding and constellation mapping
ZHOU WEI4 citations73
US8654880B2Feb 18, 2014
Data transmission using low density parity check coding and constellation mapping
ZHOU WEI4 citations73
FU QIANG
2 patentsCHINA PETROLEUM CORP
1 patentQUALCOMM INCORPORATED INC
1 patentCHINA PETROLEUM & CHEMICAL
1 patentShowing the top 50 of 105 patents by PatentIndex Score.