Inventor · disambiguated record
Changhoi Koo
Also filed as: KOO CHANGHOI · KOO CHANGHOI C
35 granted patents·8 pending applications·237 citations·filing 2006–2017
97Inventor score
Files withKOO CHANGHOI13BLACKBERRY LTD10RESEARCH IN MOTION LTD6SAMSUNG ELECTRONICS CO LTD3CLEVELAND JOSEPH R2
Top patents by PatentIndex Score
43 records- 0197US8805303B2Method and apparatus for avoiding in-device coexistence interference with preferred frequency notificationKOO CHANGHOI·Filed 2011·Granted Aug 12, 2014·34 cites·27 claims
- 0295US8547867B2Method and apparatus for interference identification on configuration of LTE and BTKOO CHANGHOI·Filed 2011·Granted Oct 1, 2013·27 cites·44 claims
- 0394US8831611B2Method and apparatus for avoiding in-device coexistence interference with keeping time update for handoverKOO CHANGHOI·Filed 2011·Granted Sep 9, 2014·18 cites·36 claims
- 0491US9055497B2Method and apparatus for avoiding in-device coexistence interferenceKOO CHANGHOI·Filed 2010·Granted Jun 9, 2015·13 cites·35 claims
- 0591US8842602B2Enhancement of in-device coexistence interference avoidanceKOO CHANGHOI C·Filed 2011·Granted Sep 23, 2014·17 cites·18 claims
- 0691US8289891B2Flexible sleep mode for advanced wireless systemsJI BAOWEI·Filed 2009·Granted Oct 16, 2012·22 cites·47 claims
- 0789US8391254B2Channel configuration and bandwidth allocation in multi-hop cellular communication networksKOO CHANGHOI·Filed 2006·Granted Mar 5, 2013·17 cites·20 claims
- 0886US7941155B2Calculation and broadcast of cell-load ratio and intelligent cell selection for IEEE802.16MSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted May 10, 2011·13 cites·34 claims
- 0984US9060280B2Enhanced in-device coexistence interference avoidance using predetermined downlink channelKOO CHANGHOI C·Filed 2011·Granted Jun 16, 2015·6 cites·37 claims
- 1084US8750195B2System and method for multiple relay node operation in a communications systemKOO CHANGHOI·Filed 2010·Granted Jun 10, 2014·7 cites·20 claims
- 1182US9240846B2Random access channel procedures for in-device coexistence interference avoidanceKOO CHANGHOI·Filed 2011·Granted Jan 19, 2016·5 cites·40 claims
- 1282US9161343B2Method and apparatus for avoiding in-device coexistence interferenceKOO CHANGHOI·Filed 2010·Granted Oct 13, 2015·6 cites·43 claims
- 1381US9629025B2Controlling data offload in response to feedback informationRESEARCH IN MOTION LTD·Filed 2013·Granted Apr 18, 2017·4 cites·20 claims
- 1481US9549394B2Methods and devices for performing proximity discoveryBLACKBERRY LTD·Filed 2014·Granted Jan 17, 2017·4 cites·21 claims
- 1580US9900895B2Method and apparatus for avoiding in-device coexistence interferenceKOO CHANGHOI·Filed 2010·Granted Feb 20, 2018·5 cites·38 claims
- 1680US9717075B2Method and apparatus for avoiding in-device coexistence interference with preferred frequency notificationBLACKBERRY LTD·Filed 2014·Granted Jul 25, 2017·3 cites·36 claims
- 1780US9161278B2Communicating an indication relating to in-device coexistence interferenceRESEARCH IN MOTION LTD·Filed 2013·Granted Oct 13, 2015·4 cites·21 claims
- 1879US9629191B2Systems and methods for initiating device-to-device communication in wireless networksBLACKBERRY LTD·Filed 2013·Granted Apr 18, 2017·4 cites·24 claims
- 1978US10321359B2Controlling data offload in response to feedback informationBLACKBERRY LTD·Filed 2017·Granted Jun 11, 2019·2 cites·19 claims
- 2078US8155222B2Method and apparatus for transmitting and receiving control information in a wireless communication systemMCBEATH SEAN MICHAEL·Filed 2009·Granted Apr 10, 2012·7 cites·19 claims
- 2173US9100969B2Physical layer feedback for in-device coexistence interference mitigationKIM JOONBEOM·Filed 2012·Granted Aug 4, 2015·4 cites·60 claims
- 2272US9173174B2Resource block indication and allocation for in-device coexistence interference avoidanceBLACKBERRY LTD·Filed 2013·Granted Oct 27, 2015·3 cites·17 claims
- 2371US9210562B2Method and apparatus for proximity discovery for device-to-device communicationRESEARCH IN MOTION LTD·Filed 2013·Granted Dec 8, 2015·2 cites·25 claims
- 2470US9419740B2Access procedures for in-device coexistence interference avoidanceKOO CHANGHOI·Filed 2011·Granted Aug 16, 2016·2 cites·26 claims
- 2570US8391217B2Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signalingCLEVELAND JOSEPH R·Filed 2007·Granted Mar 5, 2013·4 cites·20 claims
- 2664US8891455B2Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signalingCLEVELAND JOSEPH R·Filed 2007·Granted Nov 18, 2014·2 cites·22 claims
- 2764US8849293B2Handling in-device coexistence interferenceKOO CHANGHOI·Filed 2012·Granted Sep 30, 2014·1 cites·26 claims
- 2860US8254968B2System and method for low overhead paging in a wireless communications systemKOO CHANGHOI·Filed 2009·Granted Aug 28, 2012·1 cites·20 claims
- 2958US10200980B2Method and apparatus for avoiding in-device coexistence interference with preferred frequency notificationBLACKBERRY LTD·Filed 2017·Granted Feb 5, 2019·0 cites·19 claims
- 3053US10645680B2Methods and devices for performing proximity discoveryBLACKBERRY LTD·Filed 2017·Granted May 5, 2020·0 cites·14 claims
- 3151US10314062B2Enhanced in-device coexistence interference avoidance using predetermined downlink channelBLACKBERRY LTD·Filed 2015·Granted Jun 4, 2019·0 cites·18 claims
- 3249US8259747B2Effective idle mode for advanced wireless systemJI BAOWEI·Filed 2009·Granted Sep 4, 2012·0 cites·43 claims
- 3349US8059590B2Bandwidth allocation and soft handoff in multi-hop cellular communication networksRAJKOTIA PURVA R·Filed 2006·Granted Nov 15, 2011·0 cites·20 claims
- 3449US2010284367A1System and Method for Handovers in a Multi-Carrier Wireless Communications SystemFUTUREWEI TECHNOLOGIES INC·Filed 2009·Application pending·0 cites
- 3548US10021555B2Method and apparatus for proximity discovery for device-to-device communicationBLACKBERRY LTD·Filed 2015·Granted Jul 10, 2018·0 cites·21 claims
- 3646US2009143089A1Apparatus and method for performing an expedited handover using a dedicated ranging channel in a wireless networkSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 3745US9591430B2Temporary identifiers and expiration values for discoverable user equipments (UEs)BLACKBERRY LTD·Filed 2013·Granted Mar 7, 2017·0 cites·9 claims
- 3844US2007232339A1Method And System For Performing Ranging When Using Multiple Channel Communication In A Wireless NetworkSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 3942US2014198672A1Waiting time parameter for in-device coexistence interference solutionRESEARCH IN MOTION LTD·Filed 2013·Application pending·0 cites
- 4041US2014141825A1Communicating in-device coexistence interference assistance informationRESEARCH IN MOTION LTD·Filed 2012·Application pending·0 cites
- 4141US2014036745A1Handling in-device coexistence interferenceKOO CHANGHOI·Filed 2012·Application pending·0 cites
- 4241US2014141824A1Communicating information relating to in-device coexistence interferenceRESEARCH IN MOTION LTD·Filed 2012·Application pending·0 cites
- 4339US2015296542A1Performing random access in carrier aggregationHEO YOUN HYOUNG·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →