Inventor
ZHOU XUPING
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ZHOU XUPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOZAN INC
18 patentsUS6038250AMar 14, 2000
Initial synchronization method and receiver for DS-CDMA inter base station asynchronous cellular system
YOZAN INC301 citations99
US6084922AJul 4, 2000
Waiting circuit
YOZAN INC102 citations98
US5812546ASep 22, 1998
Demodulator for CDMA spread spectrum communication using multiple pn codes
YOZAN INC105 citations98
US6512785B1Jan 28, 2003
Matched filter bank
YOZAN INC100 citations97
US6370130B1Apr 9, 2002
Spread spectrum communication system
YOZAN INC75 citations96
US6212219B1Apr 3, 2001
Spread spectrum communication system
YOZAN INC32 citations93
US5974038AOct 26, 1999
Receiver for code division multiple access communication system
YOZAN INC51 citations93
US6081549AJun 27, 2000
Phase correction method and apparatus for spectrum spread wireless communication receiver
YOZAN INC21 citations92
US5930290AJul 27, 1999
Spread spectrum communications system for high-speed communications
YOZAN INC26 citations92
US6169771B1Jan 2, 2001
Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filter
YOZAN INC22 citations91
US6064690AMay 16, 2000
Spread spectrum communication system
YOZAN INC26 citations88
US6426949B1Jul 30, 2002
Signal reception apparatus for DS-CDMA communication system
YOZAN INC14 citations84
US6278724B1Aug 21, 2001
Receiver in a spread spectrum communication system having low power analog multipliers and adders
YOZAN INC16 citations83
US6539009B1Mar 25, 2003
Signal reception apparatus for DS-CDMA cellular system
YOZAN INC12 citations74
US6122654ASep 19, 2000
Complex multiplication circuit
YOZAN INC9 citations74
US5945875AAug 31, 1999
π/n shift phase-shift keying demodulator
YOZAN INC8 citations74
US6263012B1Jul 17, 2001
Receiver apparatus for CDMA communication system
YOZAN INC4 citations63
US6094667AJul 25, 2000
Time spread root Nyquist filter
YOZAN INC4 citations63