Inventor
VALLIAPPAN NACHIAPPAN
US38 patents
⚠️ This page may combine multiple inventors who share the name “VALLIAPPAN NACHIAPPAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
34 patentsUS10595327B2Mar 17, 2020
Inter-access terminal unblocking and enhanced contention for co-existence on a shared communication medium
QUALCOMM INC17 citations94
US10542541B2Jan 21, 2020
Re-contention-based co-existence on a shared communication medium
QUALCOMM INC18 citations94
US10334546B2Jun 25, 2019
Synchronization signaling coordination for co-existence on a shared communication medium
QUALCOMM INC20 citations94
US10299284B2May 21, 2019
Inter-access terminal unblocking and enhanced contention for co-existence on a shared communication medium
QUALCOMM INC24 citations94
US10291379B2May 14, 2019
Contention-based co-existence on a shared communication medium
QUALCOMM INC26 citations94
US10219300B2Feb 26, 2019
Enhanced channel reservation for co-existence on a shared communication medium
QUALCOMM INC35 citations94
US10201014B2Feb 5, 2019
Contention-based co-existence on a shared communication medium
QUALCOMM INC42 citations94
US10091789B2Oct 2, 2018
Re-contention-based co-existence on a shared communication medium
QUALCOMM INC37 citations94
US9924368B2Mar 20, 2018
Apparatus and methods for cellular communications over unused unlicenced spectrum
QUALCOMM INC42 citations94
US9788361B2Oct 10, 2017
Setting transmission parameters in a shared communication medium
QUALCOMM INC35 citations94
US9332465B2May 3, 2016
Long term evolution interference management in unlicensed bands for wi-fi operation
QUALCOMM INC25 citations94
US9750014B2Aug 29, 2017
Interlaced carrier sense adaptive transmission (CSAT) co-existence in shared spectrum
QUALCOMM INC38 citations93
US10405242B2Sep 3, 2019
Robust channel reservation on a shared communication medium
QUALCOMM INC18 citations86
US10374777B2Aug 6, 2019
Control signaling in a shared communication medium
QUALCOMM INC18 citations86
US10356816B2Jul 16, 2019
Re-contention-based co-existence on a shared communication medium
QUALCOMM INC19 citations86
US9775048B2Sep 26, 2017
Performance of a user equipment (UE) in unlicensed spectrum
QUALCOMM INC7 citations83
US10993151B2Apr 27, 2021
Cell switching for discontinuous transmission (DTX) in shared spectrum
QUALCOMM INC2 citations73
US10356623B2Jul 16, 2019
Techniques for performing carrier sense adaptive transmission in unlicensed spectrum
QUALCOMM INC2 citations73
US10080159B2Sep 18, 2018
Dynamic bandwidth management for load-based equipment in unlicensed spectrum
QUALCOMM INC6 citations73
US9955482B2Apr 24, 2018
Long term evolution interference management in unlicensed bands for Wi-Fi operation
QUALCOMM INC3 citations73
US9806836B2Oct 31, 2017
Co-existence-aware communication in shared spectrum
QUALCOMM INC6 citations73
US10743325B2Aug 11, 2020
Channel selection co-existence in shared spectrum
QUALCOMM INC3 citations72
US10602527B2Mar 24, 2020
Channel selection scanning in shared spectrum
QUALCOMM INC1 citations72
US9986574B2May 29, 2018
Channel selection metrics in shared spectrum
QUALCOMM INC4 citations72
US9655037B2May 16, 2017
Method and apparatus for an improved mechanism for selecting an access point
QUALCOMM INC3 citations70
US9730094B2Aug 8, 2017
Bursty-interference-aware interference management
QUALCOMM INC2 citations69
US9451466B2Sep 20, 2016
Base station employing shared resources among antenna units
QUALCOMM INC2 citations63
US10602536B2Mar 24, 2020
Beacon-aware co-existence in shared spectrum
QUALCOMM INC1 citations61
US10979203B2Apr 13, 2021
Channel selection to reduce interference to a wireless local area network from a cellular network
QUALCOMM INC0 citations52
US10750506B2Aug 18, 2020
Re-contention-based co-existence on a shared communication medium
QUALCOMM INC0 citations52
US10651987B2May 12, 2020
Operator identification for co-existence on a shared communication medium
QUALCOMM INC0 citations52
US9967833B2May 8, 2018
Adapting basic service set basic rate set for 802.11 wireless local area networks
QUALCOMM INC0 citations52
US10153970B2Dec 11, 2018
Partial channel reservation on a shared communication medium
QUALCOMM INC0 citations42
US10110337B2Oct 23, 2018
Techniques for performing carrier sense adaptive transmission in unlicensed spectrum
QUALCOMM INC0 citations41
GOOGLE LLC
4 patentsUS10952081B2Mar 16, 2021
Detecting radio coverage problems
GOOGLE LLC3 citations73
US11700536B2Jul 11, 2023
Detecting radio coverage problems
GOOGLE LLC0 citations62
US11388610B2Jul 12, 2022
Detecting radio coverage problems
GOOGLE LLC0 citations62
US12468850B2Nov 11, 2025
Differentially private heatmaps
GOOGLE LLC0 citations46