Inventor

Jiann-Ching Guey

Inventor

Hsinchu, TW

Overview

2000–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 91 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication31%

H04WWireless communication networks31%

H04BTransmission24%

H04JMultiplex communication6%

H01QAntennas, i.e. radio aerials3%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use2%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%

C07DHeterocyclic compounds1%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%

C09DCoating compositions, e.g. paints, varnishes or lacquers1%

PatentTitleYear

11,057,780Channel utilization in unlicensed spectrum2021 11,039,475Detection of beginning of a transmission session in new radio unlicensed spectrum2021 10,952,172Time and frequency synchronization2021 10,903,877Initial access procedure for multi-beam operation2021 10,886,958Over-the-air signal assisted interference cancellation or suppression2021 10,887,926Configuration of non-orthogonal multiple access transmissions in a wireless communication system2021 10,873,862Reference signal design for beamforming in wireless communication systems2020 10,868,629Channel multiplexing within interlace for new radio unlicensed spectrum operation2020 10,841,926Default beam for uplink transmission after connection reestablishment2020 10,798,588Mechanism for beam reciprocity determination and uplink beam management2020 10,779,171Downlink spatial transmission and spatial reception mechanism in multi-beam operation2020 10,743,321Default beam for uplink transmission after beam failure recovery2020 10,736,101Flexible frame structure for OFDM systems2020 10,716,127Uplink channel information feedback timing signaling in wireless communications2020 10,674,383Channels and procedures for beam failure recovery2020 10,542,545Beam failure recovery mechanism for multi-beam operation2020 10,530,565Sequence design for synchronization and device identification in wireless communication systems2020 10,516,465Harmonized operation between radio link monitor and beam failure recovery2019 10,511,370Method for beam management for wireless communication system with beamforming2019 10,485,001Frequency hopping design for grant-free transmission in mobile communications2019 10,396,873Control signaling in a beamforming system2019 10,389,558Method and apparatus for synchronization2019 10,383,077Time and frequency synchronization2019 10,271,223Beam management in beamforming systems2019 10,251,071Incremental scheduling for wireless communication system with beamforming2019 10,129,764Reference signal provisioning and channel information reporting for wireless directional transmission systems2018 10,009,072Spatial diversity scheme in communication systems of beamforming2018 9,954,590Methods for efficient beam training and communications apparatus and network control device utilizing the same2018 9,882,620'Synchronization in a beamforming system'2018 9,876,549Methods for efficient beam training and communications apparatus and network control device utilizing the same2018 9,872,332'Energy efficient operation for wireless access nodes in a low-load service area within a dense deployment of wireless access nodes'2018 9,866,299'Synchronization in a beamforming system'2018 9,853,707Channel state information collection for wireless communication system with beamforming2017 9,735,993'Cyclic prefix for non-contiguous signal transmission'2017 9,705,581'Synchronization in a beamforming system'2017 9,698,884'Control signaling in a beamforming system'2017 9,680,547'Methods for efficient beam training and network control device utilizing the same'2017 9,571,259'Method of downlink signal transport over backhaul communications through distributed processing'2017 9,485,754'Methods and devices for carrier aggregation in a wireless communication system'2016 9,432,899'Communications system, user equipment, mobility management entity and method thereof of transient handover for performing packet offloading'2016 9,154,974'Dynamic, distributed coordination of parameters in a cellular telecommunication network'2015 9,144,045'Time and frequency synchronization'2015 9,130,615'Channel estimation for a very large-scale multiple-input multiple-output (MIMO) system'2015 9,130,716'Reference symbol distribution method and apparatus'2015 9,100,834'Uplink reference signal allocation and assignment for cell clusters'2015 9,094,906'Multi-stage timing and frequency synchronization'2015 9,036,684'Spatially randomized pilot symbol transmission methods, systems and devices for multiple input/multiple output (MIMO) wireless communications'2015 9,019,849'Dynamic space division duplex (SDD) wireless communications with multiple antennas using self-interference cancellation'2015 9,014,070'Energy efficient operation for dense deployment of wireless access nodes'2015 8,948,138'Signal compression for backhaul communications using linear transformations'2015 8,934,930'Adaptation of parameters in a communication network'2015 8,879,428'Systems and method for graph-based distributed parameter coordination in a communication network'2014 8,849,207'Method, apparatus and system for choosing a parameter setting from a set of available parameter settings'2014 8,837,621'Channel estimation for a very large-scale multiple-input multiple output (MIMO) system'2014 8,811,331'Pilot design using costas arrays'2014 8,811,974'Coordinated multipoint wireless communication'2014 8,737,298'Method of downlink signal transport over backhaul communications through distributed processing'2014 8,649,341'Joint management of radio and transport resources'2014 8,638,745'Reference symbol distribution method and apparatus'2014 8,634,357'Distributed antenna system'2014 8,630,677'Distributed beam selection for cellular communication'2014 8,554,235'Distributed scheduling coordination for plural service areas'2013 8,526,407'Extended coordinated multipoint cells to mitigate inter-comp-cell downlink interference'2013 8,442,545'Network-wide inter-cell interference minimization via coordinated multipoint cell scheduling coordination'2013 8,379,773'Method and apparatus for enhanced channel estimation in wireless communication systems'2013 8,346,291'Power control in a coordinated multipoint system'2013 8,300,674'Method and apparatus for complexity reduction in detection of delay and Doppler shifted signature sequences'2012 8,295,311'Detection of time-frequency hopping patterns'2012 8,295,325'Signature sequences and methods for time-frequency selective channel'2012 8,274,995'Cyclic prefix for non-contiguous signal transmission'2012 8,271,042'Self-calibrating multi-antenna wireless communication system'2012 8,170,131'Method and arrangement for reducing feedback data in a MIMO communication system'2012 8,145,223'Inter-cell interference mitigation'2012 8,111,787'OFDM channel estimation method and apparatus'2012 8,027,329'Preamble design for synchronization and cell search'2011 7,978,646'Hybrid contention-based and schedule-based access to a communication link'2011 7,970,081'Delay-doppler channel response demodulation method and apparatus'2011 7,889,799'Method and apparatus for OFDM channel estimation'2011 7,848,468'Adaptive pilot symbol allocation method and apparatus'2010 7,747,250'Calibration method to achieve reciprocity of bidirectional communication channels'2010 7,733,989'Method and system of channel estimation'2010 7,711,029'Hopping pilot pattern for telecommunications'2010 7,453,856'Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniques'2008 7,313,110'Methods, systems, and computer program products for allocating bandwidth in a radio packet data system based on data rate estimates determined for one or more idle transmitter/sector scenarios'2007 6,876,645'Delay and channel estimation for multi-carrier CDMA system'2005 6,754,253'Receiver architecture for transmit diversity in CDMA system'2004 6,594,793'Methods and systems for multiplexing and decoding variable length messages in digital communications systems'2003 6,480,556'Rate detection apparatus and method for variable rate speech encoding'2002 6,332,006'Apparatus and methods for providing high-penetration messaging in wireless communications systems'2001 6,320,843'Wireless communications systems with standard and robust services and methods of operation thereof'2001 6,047,171'Method and apparatus for combating adjacent channel interference using multiple IF filters'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2002Based in Durham, NC, US· patent location history

2003–2007Based in Apex, NC, US· patent location history

2007–2021Patents assigned to ERICSSON TELEFON AB L M (49)· patent assignee history

2008–2014Based in Cary, NC, US· patent location history

2012–2017Patents assigned to GUEY JIANN-CHING (34)· patent assignee history

2012–2017Patents assigned to KOORAPATY HAVISH (9)· patent assignee history

2012–2017Based in Fremont, CA, US· patent location history

2013–2015Patents assigned to HUI DENNIS (13)· patent assignee history

2015–2021Based in Hsinchu, TW· patent location history

2017–2021Patents assigned to MEDIATEK INC (32)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ERICSSON TELEFON AB L M	49	2007–2021
GUEY JIANN-CHINGself	34	2012–2017
MEDIATEK INC	32	2017–2021
HUI DENNIS	13	2013–2015
KOORAPATY HAVISH	9	2012–2017

Locations

Location	Patents	Span
Hsinchu, TW	40	2015–2021
Cary, NC, US	21	2008–2014
Fremont, California, US	20	2012–2017
Apex, NC, US	4	2003–2007
Durham, NC, US	4	2000–2002