Inventor
Xixian Chen
Inventor
Nepean, CA
Overview
Patents· 54 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks35%
H04LTransmission of digital information, e.g. telegraphic communication29%
H04BTransmission14%
H04JMultiplex communication9%
G01SRadio direction-finding4%
G06FElectric digital data processing3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
H04MTelephonic communication2%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
PatentTitleYear
10,667,278Managing wireless resources202010,555,234Handover improvement for high speed user equipment in LTE202010,447,455Enabling higher-order modulation in a cellular network201910,171,146MIMO rank reduction to improve downlink throughput201910,021,704System and method for toggling transmission parameters in a heterogeneous network201810,015,218System and method for adjusting transmission parameters of multicast content data201810,003,433Statistical model based control signal outer-loop adjustment20189,907,111'Discontinuous transmission for a mobile phone network node'20189,887,827'Secondary cell activation/deactivation in carrier aggregation'20189,871,642'Enabling higher-order modulation in a cellular network'20189,596,692'Managing wireless resources'20179,578,583'Handover improvement for high speed user equipment in LTE'20179,496,939'Adaptive transmission mode switching'20169,380,576'Stochastic radio source allocation for shared radio access network'20169,379,842'Outer-loop adjustment for wireless communication link adaptation'20169,246,651'Outer-loop control in wireless communication link adaptation'20169,215,744'Discontinuous transmission for a mobile phone network node'20159,203,590'Generalized outer loop link adaptation'20159,166,745'Allocation of acknowledgement channels to channel groups having variable transmit energies'20159,131,515'Selecting from among plural channel estimation techniques'20159,036,608'Adaptive transmission mode switching'20159,014,135'Methods and apparatus for link adaptation for single user and multi-user MIMO'20158,995,259'Systems and methods for resource booking for admission control and scheduling using DRX'20158,897,124'Shared channel structure, ARQ systems and methods'20148,842,565'Allocation of acknowledgement channels to channel groups having fixed transmit energies'20148,804,671'Method and apparatus for determining UE mobility status'20148,787,340'Method and system for reducing connection set-up time'20148,761,108'Table based link adaption for wireless communication transmissions with one codeword'20148,750,891'Method and system of managing wireless resources'20148,699,415'Active set management enhancement for reliable soft handoff in 1XEV-DO system'20148,457,002'Method and apparatus for grant loss detection and related processing in a wireless communication network'20138,248,912'Shared channel structure, ARQ systems and methods'20128,155,089'System and method of processing CDMA signals'20128,134,963'Method and system for reducing connection set-up time'20128,116,781'Method and system of managing wireless resources'20127,936,720'Active set management enhancement for reliable soft handoff in 1xEV-DO system'20117,801,085'System and method of processing CDMA signals'20107,760,698'Shared channel structure, ARQ systems and methods'20107,649,994'System and method for decoding CDMA quality channel'20107,480,516'Method and apparatus of forward link and reverse link power control in a cellular wireless communication system'20097,236,764'Method and apparatus for updating locations of dormant mobile stations'20077,154,846'Shared channel structure, ARQ systems and methods'20067,139,575'Trigger for hard handoff from an overlay carrier to an underlying carrier'20067,113,538'Time diversity searcher and scheduling method'20066,977,915'Method and system for controlling device transmit power in a wireless communication network'20056,704,300'Method and system for acquisition of a time stamped signal'20046,549,594'Timing phase recovery method and apparatus'20036,522,882'Method and apparatus for locating a mobile transceiver in conversation state'20036,510,186'Signal time of arrival estimation method and system'20036,493,380'System and method for estimating signal time of arrival'20026,353,744'Method for positioning with low geometrical dilution of position (GDOP)'20026,054,941'Apparatus and method for inputting ideographic characters'20006,009,444'Text input device and method'19995,952,942'Method and device for input of text messages from a keypad'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2000Based in Palo Alto, CA, US· patent location history
2002–2011Patents assigned to NORTEL NETWORKS LTD (13)· patent assignee history
2002–2020Based in Nepean, CA· patent location history
2006–2020Based in Ottawa, CA· patent location history
2012–2018Patents assigned to CHEN XIXIAN (17)· patent assignee history
2012–2015Patents assigned to REN HONG (7)· patent assignee history
2012–2014Patents assigned to BUDIC MIROSLAV (5)· patent assignee history
2013–2020Patents assigned to ERICSSON TELEFON AB L M (23)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERICSSON TELEFON AB L M | 23 | 2013–2020 |
| CHEN XIXIANself | 17 | 2012–2018 |
| NORTEL NETWORKS LTD | 13 | 2002–2011 |
| REN HONG | 7 | 2012–2015 |
| BUDIC MIROSLAV | 5 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nepean, CA | 26 | 2002–2020 |
| Ottawa, CA | 25 | 2006–2020 |
| Palo Alto, California, US | 3 | 1999–2000 |