Inventor
Changhoi Koo
Inventor
Plano, TX, US
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks62%
H04LTransmission of digital information, e.g. telegraphic communication16%
H04BTransmission15%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%
H04JMultiplex communication2%
H04MTelephonic communication2%
PatentTitleYear
10,645,680Methods and devices for performing proximity discovery202010,321,359Controlling data offload in response to feedback information201910,314,062Enhanced in-device coexistence interference avoidance using predetermined downlink channel201910,200,980Method and apparatus for avoiding in-device coexistence interference with preferred frequency notification201910,021,555Method and apparatus for proximity discovery for device-to-device communication20189,900,895'Method and apparatus for avoiding in-device coexistence interference'20189,717,075'Method and apparatus for avoiding in-device coexistence interference with preferred frequency notification'20179,629,025'Controlling data offload in response to feedback information'20179,629,191'Systems and methods for initiating device-to-device communication in wireless networks'20179,591,430'Temporary identifiers and expiration values for discoverable user equipments (UEs)'20179,549,394'Methods and devices for performing proximity discovery'20179,419,740'Access procedures for in-device coexistence interference avoidance'20169,240,846'Random access channel procedures for in-device coexistence interference avoidance'20169,210,562'Method and apparatus for proximity discovery for device-to-device communication'20159,173,174'Resource block indication and allocation for in-device coexistence interference avoidance'20159,161,343'Method and apparatus for avoiding in-device coexistence interference'20159,161,278'Communicating an indication relating to in-device coexistence interference'20159,100,969'Physical layer feedback for in-device coexistence interference mitigation'20159,060,280'Enhanced in-device coexistence interference avoidance using predetermined downlink channel'20159,055,497'Method and apparatus for avoiding in-device coexistence interference'20158,891,455'Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signaling'20148,849,293'Handling in-device coexistence interference'20148,842,602'Enhancement of in-device coexistence interference avoidance'20148,831,611'Method and apparatus for avoiding in-device coexistence interference with keeping time update for handover'20148,805,303'Method and apparatus for avoiding in-device coexistence interference with preferred frequency notification'20148,750,195'System and method for multiple relay node operation in a communications system'20148,547,867'Method and apparatus for interference identification on configuration of LTE and BT'20138,391,254'Channel configuration and bandwidth allocation in multi-hop cellular communication networks'20138,391,217'Synchronous spectrum sharing by dedicated networks using OFDM/OFDMA signaling'20138,289,891'Flexible sleep mode for advanced wireless systems'20128,259,747'Effective idle mode for advanced wireless system'20128,254,968'System and method for low overhead paging in a wireless communications system'20128,155,222'Method and apparatus for transmitting and receiving control information in a wireless communication system'20128,059,590'Bandwidth allocation and soft handoff in multi-hop cellular communication networks'20117,941,155'Calculation and broadcast of cell-load ratio and intelligent cell selection for IEEE802.16M'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2018Patents assigned to KOO CHANGHOI (19)· patent assignee history
2011–2014Patents assigned to SAMSUNG ELECTRONICS CO LTD (7)· patent assignee history
2011–2020Based in Plano, TX, US· patent location history
2014–2020Patents assigned to BLACKBERRY LTD (24)· patent assignee history
2014–2018Patents assigned to CAI ZHIJUN (9)· patent assignee history
2014–2018Patents assigned to LI JUN (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACKBERRY LTD | 24 | 2014–2020 |
| KOO CHANGHOIself | 19 | 2011–2018 |
| CAI ZHIJUN | 9 | 2014–2018 |
| LI JUN | 7 | 2014–2018 |
| SAMSUNG ELECTRONICS CO LTD | 7 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plano, Texas, US | 35 | 2011–2020 |