Inventor · disambiguated record
Xiao-Feng Qi
Also filed as: QI XIAO · Qi xiao feng
29 granted patents·8 pending applications·383 citations·filing 2002–2023
95Inventor score
Top patents by PatentIndex Score
37 records- 0196US9742480B1Channel-state information determination in wireless networksFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Aug 22, 2017·21 cites·15 claims
- 0296US7387607B2Wireless medical sensor systemINTEL CORP·Filed 2005·Granted Jun 17, 2008·268 cites·26 claims
- 0394US9768928B1High dimensional (HiDi) radio environment characterization and representationFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Sep 19, 2017·13 cites·20 claims
- 0493US10148329B2Adaptively grouped user equipment multicasting and beamformingFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Dec 4, 2018·9 cites·21 claims
- 0591US10211844B1Minimum search length analog to digital converterFUTUREWEI TECHNOLOGIES INC·Filed 2018·Granted Feb 19, 2019·11 cites·17 claims
- 0691US8284819B2Method and system for interference suppression in WCDMA systemsHAHM MARK·Filed 2009·Granted Oct 9, 2012·17 cites·18 claims
- 0789US9900112B1Method for calibration of a MIMO array based on an opportunistic signalFUTUREWEI TECHNOLOGIES INC·Filed 2017·Granted Feb 20, 2018·9 cites·25 claims
- 0888US10205491B2System and method for large scale multiple input multiple output communicationsFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Feb 12, 2019·7 cites·22 claims
- 0986US10045352B2Channel estimation in large scale MIMO systems using iterative location based spatial filteringFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Aug 7, 2018·5 cites·24 claims
- 1085US12051859B2Apparatus and methods for transmitting signals using optical lens as a beamformerFUTUREWEI TECHNOLOGIES INC·Filed 2021·Granted Jul 30, 2024·1 cites·18 claims
- 1175US10291356B2Decoding procedures in systems with codeblock segmentationFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted May 14, 2019·2 cites·21 claims
- 1273US8077796B2Methods and arrangements for communicating in a multiple input multiple output systemQI XIAO-FENG·Filed 2007·Granted Dec 13, 2011·7 cites·18 claims
- 1370US10020922B1High dimensional (HiDi) radio environment characterization and representationFUTUREWEI TECHNOLOGIES INC·Filed 2017·Granted Jul 10, 2018·1 cites·20 claims
- 1469US10404342B2Multiuser MIMO for large antenna systems with hybrid beamformingFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Sep 3, 2019·2 cites·23 claims
- 1566US10270625B2Hardware virtualization for mean and variance estimations of QAM symbolsFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Apr 23, 2019·1 cites·23 claims
- 1665US12218780B2Methods and apparatus for multi-domain conversions of high dimensional channel statisticsHUAWEI TECH CO LTD·Filed 2022·Granted Feb 4, 2025·0 cites·24 claims
- 1764US9917723B2Efficient methods and recursive/scalable circuit architectures for QAM symbol mean and variance estimationsFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Mar 13, 2018·1 cites·12 claims
- 1864US8503506B2Method and system for interference suppression in WCDMA systemsHAHM MARK·Filed 2012·Granted Aug 6, 2013·1 cites·23 claims
- 1963US9800384B2System and method for multi-source channel estimationFUTUREWEI TECHNOLOGIES INC·Filed 2015·Granted Oct 24, 2017·1 cites·23 claims
- 2062US7881391B2OFDM receiver and method for decoding OFDM symbols of two or more data streams with reduced multiplication operationsINTEL CORP·Filed 2006·Granted Feb 1, 2011·2 cites·18 claims
- 2161US12231265B2Methods and apparatus for channel estimation and precoding with incomplete channel observation and channel state information feedbackHUAWEI TECH CO LTD·Filed 2022·Granted Feb 18, 2025·0 cites·22 claims
- 2258US2025195148A1Method and system for sequence-aware estimation of ultrasound probe pose in laparoscopic ultrasound proceduresEDDA TECHNOLOGY INC·Filed 2023·Application pending·0 cites
- 2352US11909424B2Apparatus and methods for receiving signals using optical lens as a beamformerFUTUREWEI TECHNOLOGIES INC·Filed 2021·Granted Feb 20, 2024·0 cites·24 claims
- 2452US10320061B2High dimensional (HiDi) radio environment characterization and representationFUTUREWEI TECHNOLOGIES INC·Filed 2018·Granted Jun 11, 2019·0 cites·39 claims
- 2550US2022247449A1Beam-Time Hopping Modulation System and MethodHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 2648US7013226B2Reflectometer with echo cancellerINTEL CORP·Filed 2003·Granted Mar 14, 2006·4 cites·17 claims
- 2746US9014740B2Enhanced multiple SIM time trackingSOLLENBERGER NELSON·Filed 2012·Granted Apr 21, 2015·0 cites·20 claims
- 2844US9654306B1System and method for multi-source channel estimationFUTUREWEI TECHNOLOGIES INC·Filed 2015·Granted May 16, 2017·0 cites·22 claims
- 2944US2004120394A1Decision-feedback equalizerFiled 2002·Application pending·0 cites
- 3044US2005031026A1Hybrid computer modemFiled 2003·Application pending·0 cites
- 3140US9979445B2Digital to analog converter apparatus, system, and method with quantization noise that is independent of an input signalFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted May 22, 2018·0 cites·19 claims
- 3239US10638479B2System and method for multi-source channel estimationFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Apr 28, 2020·0 cites·16 claims
- 3339US10079629B2Apparatus and method for pre-coding data based on channel statisticsFUTUREWEI TECHNOLOGIES INC·Filed 2017·Granted Sep 18, 2018·0 cites·15 claims
- 3437US2006217937A1Reflectometer with echo cancellerHAN CHUNMING·Filed 2006·Application pending·0 cites
- 3534US2017093465A1System and Method for Large Scale Multiple Input Multiple Output CommunicationsFUTUREWEI TECHNOLOGIES INC·Filed 2015·Application pending·0 cites
- 3634US2017126296A1System and Method for Large Scale Multiple Input Multiple Output BeamformingFUTUREWEI TECHNOLOGIES INC·Filed 2015·Application pending·0 cites
- 3733US2017264346A1System and Method for Communicating in a Wireless Communications System with PrecodingFUTUREWEI TECHNOLOGIES INC·Filed 2016·Application pending·0 cites
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