Inventor
QI XIAO-FENG
US29 patents
⚠️ This page may combine multiple inventors who share the name “QI XIAO-FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUTUREWEI TECHNOLOGIES INC
20 patentsUS9742480B1Aug 22, 2017
Channel-state information determination in wireless networks
FUTUREWEI TECHNOLOGIES INC21 citations94
US10211844B1Feb 19, 2019
Minimum search length analog to digital converter
FUTUREWEI TECHNOLOGIES INC11 citations84
US10205491B2Feb 12, 2019
System and method for large scale multiple input multiple output communications
FUTUREWEI TECHNOLOGIES INC7 citations84
US10148329B2Dec 4, 2018
Adaptively grouped user equipment multicasting and beamforming
FUTUREWEI TECHNOLOGIES INC9 citations84
US9768928B1Sep 19, 2017
High dimensional (HiDi) radio environment characterization and representation
FUTUREWEI TECHNOLOGIES INC13 citations84
US9900112B1Feb 20, 2018
Method for calibration of a MIMO array based on an opportunistic signal
FUTUREWEI TECHNOLOGIES INC9 citations81
US10291356B2May 14, 2019
Decoding procedures in systems with codeblock segmentation
FUTUREWEI TECHNOLOGIES INC2 citations73
US10045352B2Aug 7, 2018
Channel estimation in large scale MIMO systems using iterative location based spatial filtering
FUTUREWEI TECHNOLOGIES INC5 citations73
US10404342B2Sep 3, 2019
Multiuser MIMO for large antenna systems with hybrid beamforming
FUTUREWEI TECHNOLOGIES INC2 citations72
US12051859B2Jul 30, 2024
Apparatus and methods for transmitting signals using optical lens as a beamformer
FUTUREWEI TECHNOLOGIES INC1 citations62
US10270625B2Apr 23, 2019
Hardware virtualization for mean and variance estimations of QAM symbols
FUTUREWEI TECHNOLOGIES INC1 citations62
US10320061B2Jun 11, 2019
High dimensional (HiDi) radio environment characterization and representation
FUTUREWEI TECHNOLOGIES INC0 citations52
US10020922B1Jul 10, 2018
High dimensional (HiDi) radio environment characterization and representation
FUTUREWEI TECHNOLOGIES INC1 citations52
US9979445B2May 22, 2018
Digital to analog converter apparatus, system, and method with quantization noise that is independent of an input signal
FUTUREWEI TECHNOLOGIES INC0 citations52
US9917723B2Mar 13, 2018
Efficient methods and recursive/scalable circuit architectures for QAM symbol mean and variance estimations
FUTUREWEI TECHNOLOGIES INC1 citations52
US9800384B2Oct 24, 2017
System and method for multi-source channel estimation
FUTUREWEI TECHNOLOGIES INC1 citations52
US9654306B1May 16, 2017
System and method for multi-source channel estimation
FUTUREWEI TECHNOLOGIES INC0 citations52
US11909424B2Feb 20, 2024
Apparatus and methods for receiving signals using optical lens as a beamformer
FUTUREWEI TECHNOLOGIES INC0 citations51
US10638479B2Apr 28, 2020
System and method for multi-source channel estimation
FUTUREWEI TECHNOLOGIES INC0 citations41
US10079629B2Sep 18, 2018
Apparatus and method for pre-coding data based on channel statistics
FUTUREWEI TECHNOLOGIES INC0 citations38
INTEL CORP
3 patentsUS7387607B2Jun 17, 2008
Wireless medical sensor system
INTEL CORP268 citations97
US7881391B2Feb 1, 2011
OFDM receiver and method for decoding OFDM symbols of two or more data streams with reduced multiplication operations
INTEL CORP2 citations62
US7013226B2Mar 14, 2006
Reflectometer with echo canceller
INTEL CORP4 citations58
HAHM MARK
2 patentsHUAWEI TECH CO LTD
2 patentsUS12231265B2Feb 18, 2025
Methods and apparatus for channel estimation and precoding with incomplete channel observation and channel state information feedback
HUAWEI TECH CO LTD0 citations62
US12218780B2Feb 4, 2025
Methods and apparatus for multi-domain conversions of high dimensional channel statistics
HUAWEI TECH CO LTD0 citations62