Inventor
MURAOKA SHINYA
JP14 patents
Patents
14 patentsUS5796725AAug 18, 1998
Echo canceller capable of cancelling an echo signal at a high speed
NEC CORP89 citations95
US6580748B1Jun 17, 2003
Spread spectrum communication method and spread spectrum communication apparatus
NEC CORP19 citations91
US6185301B1Feb 6, 2001
Echo canceler having plurality of adaptive filter circuits
NEC CORP27 citations91
US7050389B2May 23, 2006
DC-offset eliminating method and receiving circuit
NEC CORP7 citations72
US6002950ADec 14, 1999
Satellite communication apparatus
NEC CORP11 citations72
US7684819B2Mar 23, 2010
Uplink transmission power control in a CDMA base station
NEC CORP2 citations61
US7603116B2Oct 13, 2009
Radio base station apparatus and its loopback test method
NEC CORP2 citations61
US6256510B1Jul 3, 2001
Mobile radio communication apparatus capable of reducing power dissipation
NEC CORP6 citations61
US5862221AJan 19, 1999
Scramble wireless communication system
NEC CORP6 citations61
US5802120ASep 1, 1998
Reception circuit for a baseband processing and operation
NEC CORP4 citations61
US7269437B2Sep 11, 2007
Transmission power control circuit using W-CDMA method
NEC CORP0 citations51
US7027830B2Apr 11, 2006
Radio base station, mobile station, radio receiving apparatus, SIR estimation method, transmission power controlling method and program
NEC CORP1 citations51
US6763002B1Jul 13, 2004
Method and apparatus for controlling data transmission according to quality of communication line
NEC CORP0 citations51
US7792151B2Sep 7, 2010
CDMA receiving apparatus and method
NEC CORP0 citations39