Inventor
QIU SIGANG
US15 patents
⚠️ This page may combine multiple inventors who share the name “QIU SIGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INTEL CORP
12 patentsUS7418065B2Aug 26, 2008
Multicarrier receivers and methods for detecting cyclic prefixes having unknown lengths
INTEL CORP23 citations88
US7484136B2Jan 27, 2009
Signal-to-noise ratio (SNR) determination in the time domain
INTEL CORP13 citations82
US7068755B2Jun 27, 2006
Methods and apparatus for characterizing subscriber loop based on analysis of DSL handshaking signals and for optimization of DSL operation
INTEL CORP15 citations82
US6721357B1Apr 13, 2004
Constellation generation and re-evaluation
INTEL CORP11 citations72
US7339996B2Mar 4, 2008
Receiver codec super set constellation generator
INTEL CORP2 citations61
US6721363B1Apr 13, 2004
Receiver CODEC super set constellation generator
INTEL CORP6 citations61
US7706768B2Apr 27, 2010
Diversity switching
INTEL CORP3 citations58
US7729663B2Jun 1, 2010
Signal-to-noise ratio (SNR) determination in the frequency domain
INTEL CORP4 citations56
US7136439B2Nov 14, 2006
Adaptive synchronization
INTEL CORP0 citations51
US6931076B2Aug 16, 2005
Signal detector
INTEL CORP0 citations51
US7406157B2Jul 29, 2008
Methods and apparatuses for determining loop characteristics using an extended voice-band modem
INTEL CORP0 citations44
US7103147B2Sep 5, 2006
Methods and apparatuses for determining loop characteristics using standard voice-band modem
INTEL CORP0 citations39
SAMSUNG ELECTRONICS CO LTD
2 patentsUS11483025B2Oct 25, 2022
System and method for providing a unified global navigation satellite system (GNSS) receiver
SAMSUNG ELECTRONICS CO LTD0 citations60
US12546899B2Feb 10, 2026
Correlation module aiding for digital controlled crystal oscillator temperature variations
SAMSUNG ELECTRONICS CO LTD0 citations39