Inventor · disambiguated record
Qi Bi
Also filed as: BI QI
48 granted patents·10 pending applications·1,720 citations·filing 1989–2022
98Inventor score
Files withALCATEL LUCENT USA INC16LUCENT TECHNOLOGIES INC15BI QI12CHINA TELECOM CO LTD6AT & T BELL LAB5
Top patents by PatentIndex Score
58 records- 0197US5623485ADual mode code division multiple access communication system and methodLUCENT TECHNOLOGIES INC·Filed 1995·Granted Apr 22, 1997·200 cites·48 claims
- 0296US5835848ARange repeater for a transmission systemLUCENT TECHNOLOGIES INC·Filed 1996·Granted Nov 10, 1998·210 cites·9 claims
- 0393US6438380B1System for robust location of a mobile-transmitterLUCENT TECHNOLOGIES INC·Filed 1997·Granted Aug 20, 2002·213 cites·32 claims
- 0493US6163696AMobile location estimation in a wireless communication systemLUCENT TECHNOLOGIES INC·Filed 1996·Granted Dec 19, 2000·200 cites·40 claims
- 0593US5136612AMethod and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication systemAT & T BELL LAB·Filed 1990·Granted Aug 4, 1992·146 cites·7 claims
- 0690US5353302ASignal despreader for CDMA systemsAT & T BELL LAB·Filed 1993·Granted Oct 4, 1994·113 cites·9 claims
- 0785US7715844B2Spatial channel model with a three-dimensional cloud of scatterersALCATEL LUCENT USA INC·Filed 2006·Granted May 11, 2010·13 cites·15 claims
- 0885US5134709AProcess and apparatus for flexible channel assignment in cellular radiotelephone systemsAT & T BELL LAB·Filed 1990·Granted Jul 28, 1992·156 cites·16 claims
- 0984US5970414AMethod for estimating a mobile-telephone's locationLUCENT TECHNOLOGIES INC·Filed 1997·Granted Oct 19, 1999·111 cites·29 claims
- 1083US8098613B2Method of managing transmission delay in a wireless communication systemBI QI·Filed 2005·Granted Jan 17, 2012·12 cites·19 claims
- 1181US7636582B2Providing power control in a reverse link of a wireless spread-spectrum data network for bursty trafficALCATEL LUCENT USA INC·Filed 2005·Granted Dec 22, 2009·10 cites·33 claims
- 1278US6944466B2Mobile location estimation in a wireless communication systemLUCENT TECHNOLOGIES INC·Filed 2004·Granted Sep 13, 2005·20 cites·4 claims
- 1377US7587206B2Providing overload control in relatively high-speed wireless data networksALCATEL LUCENT USA INC·Filed 2005·Granted Sep 8, 2009·7 cites·15 claims
- 1477US7433335B2Method for selecting an access channel or a traffic channel for data transmissionLUCENT TECHNOLOGIES INC·Filed 2005·Granted Oct 7, 2008·7 cites·23 claims
- 1574US9472861B2Multi-mode antenna and base stationCHINA TELECOM CO LTD·Filed 2014·Granted Oct 18, 2016·4 cites·14 claims
- 1673US7899025B2Header suppression in a wireless communication networkALCATEL LUCENT USA INC·Filed 2006·Granted Mar 1, 2011·5 cites·25 claims
- 1772US6785550B1Mobile location estimation in a wireless communication systemLUCENT TECHNOLOGIES INC·Filed 2000·Granted Aug 31, 2004·14 cites·3 claims
- 1872US5341395AData recovery technique for asynchronous CDMA systemsAT & T BELL LAB·Filed 1992·Granted Aug 23, 1994·47 cites·21 claims
- 1971US7990855B2Method and system for joint reverse link access and traffic channel radio frequency overload controlALCATEL LUCENT USA INC·Filed 2008·Granted Aug 2, 2011·4 cites·17 claims
- 2070US6374099B1High priority and/or emergency overload access control systemLUCENT TECHNOLOGIES INC·Filed 1999·Granted Apr 16, 2002·58 cites·14 claims
- 2170US5345468ADespreading technique for CDMA systemsAT & T BELL LAB·Filed 1992·Granted Sep 6, 1994·32 cites·16 claims
- 2268US9653817B2Array antenna and base stationCHINA TELECOM CO LTD·Filed 2012·Granted May 16, 2017·2 cites·8 claims
- 2367US7706311B2Expanding cell radius in a wireless communication systemALCATEL LUCENT USA INC·Filed 2005·Granted Apr 27, 2010·3 cites·15 claims
- 2467US5483236AMethod and apparatus for a reduced iteration decoderAT & T CORP·Filed 1993·Granted Jan 9, 1996·25 cites·29 claims
- 2565US4958225AFull-search-equivalent method for matching data and a vector quantizer utilizing such methodUNIV UTAH·Filed 1989·Granted Sep 18, 1990·36 cites·23 claims
- 2662US7839776B2Detecting a reverse rate indicator channelALCATEL LUCENT USA INC·Filed 2006·Granted Nov 23, 2010·2 cites·20 claims
- 2760US8331941B2Method of providing messages to a mobile unit on a forward linkBI QI·Filed 2005·Granted Dec 11, 2012·2 cites·17 claims
- 2859US7596089B2Scheduler method and apparatus for communication systemsALCATEL LUCENT USA INC·Filed 2002·Granted Sep 29, 2009·6 cites·7 claims
- 2958US9698494B2Quadri-polarized antenna radiator, quadri-polarized antenna and quadri-polarized multi-antenna arrayCHINA TELECOM CO LTD·Filed 2014·Granted Jul 4, 2017·1 cites·13 claims
- 3058US7558196B2Method and apparatus for system resource management in a communications systemALCATEL LUCENT USA INC·Filed 2002·Granted Jul 7, 2009·5 cites·15 claims
- 3157US6515977B2De-assigning signals from the fingers of a rake receiverLUCENT TECHNOLOGIES INC·Filed 1997·Granted Feb 4, 2003·23 cites·40 claims
- 3256US12022314B2Quality of service measurement method and device, and user plane function entityCHINA TELECOM CO LTD·Filed 2020·Granted Jun 25, 2024·0 cites·18 claims
- 3355US7889692B2Packet error rate estimation in a communication systemALCATEL LUCENT USA INC·Filed 2004·Granted Feb 15, 2011·4 cites·17 claims
- 3454US2025234319A1Relay transmission method, switching method, apparatus, and user equipmentCHINA TELECOM CO LTD·Filed 2022·Application pending·0 cites
- 3553US7400877B2Method of supporting multiple service levels in a wireless data networkLUCENT TECHNOLOGIES INC·Filed 2003·Granted Jul 15, 2008·3 cites·15 claims
- 3652US7746779B2Method and apparatus for scheduling users to allocate data transmissions in communications systemsALCATEL LUCENT USA INC·Filed 2002·Granted Jun 29, 2010·2 cites·38 claims
- 3750US7565110B2Method for determining rise over thermal for a reverse link in a wireless systemALCATEL LUCENT USA INC·Filed 2004·Granted Jul 21, 2009·1 cites·16 claims
- 3849US6914889B1Variable rate forward power control for multichannel applicationsLUCENT TECHNOLOGIES INC·Filed 1998·Granted Jul 5, 2005·23 cites·20 claims
- 3947US8605649B2Method for providing reliable communication session establishment in a communication infrastructureBI QI·Filed 2006·Granted Dec 10, 2013·0 cites·20 claims
- 4047US7660606B2Method of controlling mobile unit response messages on an access channelALCATEL LUCENT USA INC·Filed 2006·Granted Feb 9, 2010·0 cites·7 claims
- 4147US2011134881A1Method for handling hand off of a mobile device using reverse link quality measurements as triggerALCATEL LUCENT USA INC·Filed 2009·Application pending·0 cites
- 4246US8665801B2Allocating forward link resources for transmitting data over a shared forward link data channel without allocating reverse link resources for reverse link data transmissionBI QI·Filed 2008·Granted Mar 4, 2014·0 cites·6 claims
- 4346US8203955B2Method and apparatus for scheduling packets in an orthogonal frequency division multiple access (OFDMA) systemYUAN YIFEI·Filed 2007·Granted Jun 19, 2012·0 cites·7 claims
- 4446US7792048B2Outer loop power control in a communication systemALCATEL LUCENT USA INC·Filed 2004·Granted Sep 7, 2010·0 cites·19 claims
- 4546US2006253235A1Method of wireless vehicle diagnosisLUCENT TECHNOLOGIES INC·Filed 2005·Application pending·0 cites
- 4645US8098757B2Method and apparatus for windowing orthogonal frequency division multiplexed signalsBI QI·Filed 2005·Granted Jan 17, 2012·0 cites·16 claims
- 4745US7489702B2Method and apparatus for increasing radio frequency efficiency for mixed voice over internet protocol and data trafficALCATEL LUCENT USA INC·Filed 2005·Granted Feb 10, 2009·0 cites·8 claims
- 4844US10014590B2Multi-antenna array for long term evolution multi-input multi-output communication systemCHINA TELECOM CO LTD·Filed 2013·Granted Jul 3, 2018·0 cites·11 claims
- 4944US8730923B2Method for controlling resource allocation in a wireless communication systemANDREWS DANIEL MATTHEW·Filed 2003·Granted May 20, 2014·0 cites·13 claims
- 5044US8081686B2Scalable spectrum CDMA communication systems and methods with dynamic orthogonal code allocationBI QI·Filed 2006·Granted Dec 20, 2011·0 cites·19 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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