Inventor · disambiguated record
Jiann-Ching Guey
Also filed as: GUEY JIANN-CHING
119 granted patents·47 pending applications·899 citations·filing 1998–2025
99Inventor score
Files withMEDIATEK INC82ERICSSON TELEFON AB L M23GUEY JIANN-CHING21MEDIATEK SINGAPORE PTE LTD15ERICSSON INC7
Top patents by PatentIndex Score
166 records- 0198US9019849B2Dynamic space division duplex (SDD) wireless communications with multiple antennas using self-interference cancellationHUI DENNIS·Filed 2011·Granted Apr 28, 2015·76 cites·21 claims
- 0296US9698884B2Control signaling in a beamforming systemMEDIATEK INC·Filed 2015·Granted Jul 4, 2017·19 cites·21 claims
- 0396US8145223B2Inter-cell interference mitigationGUEY JIANN-CHING·Filed 2009·Granted Mar 27, 2012·44 cites·20 claims
- 0494US11805510B2Enhanced PUCCH format 0 and format 1 design for new radio unlicensed spectrum operationMEDIATEK SINGAPORE PTE LTD·Filed 2022·Granted Oct 31, 2023·2 cites·10 claims
- 0594US10542545B2Beam failure recovery mechanism for multi-beam operationMEDIATEK INC·Filed 2018·Granted Jan 21, 2020·11 cites·17 claims
- 0694US9853707B2Channel state information collection for wireless communication system with beamformingMEDIATEK INC·Filed 2015·Granted Dec 26, 2017·15 cites·16 claims
- 0794US9705581B2Synchronization in a beamforming systemMEDIATEK INC·Filed 2015·Granted Jul 11, 2017·14 cites·21 claims
- 0892US10396873B2Control signaling in a beamforming systemMEDIATEK INC·Filed 2015·Granted Aug 27, 2019·10 cites·20 claims
- 0992US9954590B2Methods for efficient beam training and communications apparatus and network control device utilizing the sameMEDIATEK INC·Filed 2015·Granted Apr 24, 2018·8 cites·24 claims
- 1092US7711029B2Hopping pilot pattern for telecommunicationsERICSSON TELEFON AB L M·Filed 2005·Granted May 4, 2010·24 cites·41 claims
- 1191US9882620B2Synchronization in a beamforming systemMEDIATEK INC·Filed 2015·Granted Jan 30, 2018·8 cites·22 claims
- 1290US9144045B2Time and frequency synchronizationKOORAPATY HAVISH·Filed 2012·Granted Sep 22, 2015·7 cites·21 claims
- 1390US6047171AMethod and apparatus for combating adjacent channel interference using multiple IF filtersERICSSON INC·Filed 1998·Granted Apr 4, 2000·110 cites·18 claims
- 1489US10674383B2Channels and procedures for beam failure recoveryMEDIATEK INC·Filed 2018·Granted Jun 2, 2020·6 cites·20 claims
- 1589US10271223B2Beam management in beamforming systemsMEDIATEK INC·Filed 2017·Granted Apr 23, 2019·5 cites·22 claims
- 1688US11653301B2Wake-up signal and preamble design for mobile communicationsMEDIATEK INC·Filed 2019·Granted May 16, 2023·5 cites·17 claims
- 1788US10798588B2Mechanism for beam reciprocity determination and uplink beam managementMEDIATEK INC·Filed 2018·Granted Oct 6, 2020·6 cites·12 claims
- 1887US12328696B2Time and frequency synchronizationERICSSON TELEFON AB L M·Filed 2024·Granted Jun 10, 2025·0 cites·20 claims
- 1987US6754253B2Receiver architecture for transmit diversity in CDMA systemERICSSON INC·Filed 2000·Granted Jun 22, 2004·35 cites·17 claims
- 2086US11490428B2Initial access in new radio unlicensed spectrumMEDIATEK INC·Filed 2019·Granted Nov 1, 2022·4 cites·17 claims
- 2186US10716127B2Uplink channel information feedback timing signaling in wireless communicationsMEDIATEK INC·Filed 2018·Granted Jul 14, 2020·4 cites·20 claims
- 2286US2025280377A1Time and frequency synchronizationERICSSON TELEFON AB L M·Filed 2025·Application pending·0 cites
- 2385US9866299B2Synchronization in a beamforming systemMEDIATEK INC·Filed 2015·Granted Jan 9, 2018·4 cites·19 claims
- 2485US7747250B2Calibration method to achieve reciprocity of bidirectional communication channelsERICSSON TELEFON AB L M·Filed 2004·Granted Jun 29, 2010·44 cites·23 claims
- 2585US6876645B1Delay and channel estimation for multi-carrier CDMA systemERICSSON INC·Filed 2000·Granted Apr 5, 2005·45 cites·31 claims
- 2684US10873862B2Reference signal design for beamforming in wireless communication systemsMEDIATEK INC·Filed 2018·Granted Dec 22, 2020·4 cites·18 claims
- 2784US10868629B2Channel multiplexing within interlace for new radio unlicensed spectrum operationMEDIATEK INC·Filed 2019·Granted Dec 15, 2020·4 cites·14 claims
- 2884US8379773B2Method and apparatus for enhanced channel estimation in wireless communication systemsERICSSON TELEFON AB L M·Filed 2009·Granted Feb 19, 2013·11 cites·20 claims
- 2983US12004107B2Time and frequency synchronizationERICSSON TELEFON AB L M·Filed 2023·Granted Jun 4, 2024·0 cites·20 claims
- 3083US11057780B2Channel utilization in unlicensed spectrumMEDIATEK INC·Filed 2019·Granted Jul 6, 2021·3 cites·20 claims
- 3183US8295325B2Signature sequences and methods for time-frequency selective channelGUEY JIANN-CHING·Filed 2007·Granted Oct 23, 2012·9 cites·6 claims
- 3283US8027329B2Preamble design for synchronization and cell searchERICSSON TELEFON AB L M·Filed 2007·Granted Sep 27, 2011·11 cites·58 claims
- 3382US11553509B2Enhanced PUCCH format 0 and format 1 design for new radio unlicensed spectrum operationMEDIATEK SINGAPORE PTE LTD·Filed 2020·Granted Jan 10, 2023·1 cites·15 claims
- 3482US9036684B2Spatially randomized pilot symbol transmission methods, systems and devices for multiple input/multiple output (MIMO) wireless communicationsHUI DENNIS·Filed 2011·Granted May 19, 2015·6 cites·23 claims
- 3582US7733989B2Method and system of channel estimationERICSSON TELEFON AB L M·Filed 2006·Granted Jun 8, 2010·10 cites·23 claims
- 3682US6594793B1Methods and systems for multiplexing and decoding variable length messages in digital communications systemsERICSSON INC·Filed 2000·Granted Jul 15, 2003·23 cites·42 claims
- 3781US11848878B2BWP operation in NR-based unlicensed spectrumMEDIATEK INC·Filed 2019·Granted Dec 19, 2023·3 cites·18 claims
- 3881US10886958B2Over-the-air signal assisted interference cancellation or suppressionMEDIATEK INC·Filed 2020·Granted Jan 5, 2021·1 cites·20 claims
- 3981US9876549B2Methods for efficient beam training and communications apparatus and network control device utilizing the sameMEDIATEK INC·Filed 2015·Granted Jan 23, 2018·4 cites·35 claims
- 4081US9094906B2Multi-stage timing and frequency synchronizationGUEY JIANN-CHING·Filed 2012·Granted Jul 28, 2015·5 cites·18 claims
- 4181US9014070B2Energy efficient operation for dense deployment of wireless access nodesGUEY JIANN-CHING·Filed 2011·Granted Apr 21, 2015·5 cites·18 claims
- 4280US11039475B2Detection of beginning of a transmission session in new radio unlicensed spectrumMEDIATEK INC·Filed 2019·Granted Jun 15, 2021·2 cites·18 claims
- 4380US10952172B2Time and frequency synchronizationERICSSON TELEFON AB L M·Filed 2019·Granted Mar 16, 2021·1 cites·15 claims
- 4480US7453856B2Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniquesERICSSON TELEFON AB L M·Filed 2004·Granted Nov 18, 2008·29 cites·51 claims
- 4580US2024365381A1Floating Frame-Based Channel Occupancy Time In Fixed Frame Period In Mobile CommunicationsMEDIATEK SINGAPORE PTE LTD·Filed 2024·Application pending·0 cites
- 4679US8837621B2Channel estimation for a very large-scale multiple-input multiple output (MIMO) systemGUEY JIANN-CHING·Filed 2012·Granted Sep 16, 2014·4 cites·13 claims
- 4778US10841926B2Default beam for uplink transmission after connection reestablishmentMEDIATEK INC·Filed 2019·Granted Nov 17, 2020·2 cites·16 claims
- 4878US10736101B2Flexible frame structure for OFDM systemsMEDIATEK INC·Filed 2018·Granted Aug 4, 2020·2 cites·18 claims
- 4977US10251071B2Incremental scheduling for wireless communication system with beamformingMEDIATEK INC·Filed 2015·Granted Apr 2, 2019·3 cites·17 claims
- 5076US12063685B2Floating frame-based channel occupancy time in fixed frame period in mobile communicationsMEDIATEK SINGAPORE PTE LTD·Filed 2022·Granted Aug 13, 2024·0 cites·19 claims
Showing the top 50 of 166 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →