P

Inventor

MARUTA YASUSHI

JP42 patents
⚠️ This page may combine multiple inventors who share the name “MARUTA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

32 patents
US6205166B1Mar 20, 2001

CDMA receiver with antenna array adaptively controlled with combined errors of despread multipath components

NEC CORP75 citations96
US7031368B1Apr 18, 2006

Adaptive transmitter/receiver

NEC CORP36 citations92
US6792033B1Sep 14, 2004

Array antenna reception apparatus

NEC CORP41 citations92
US6665286B1Dec 16, 2003

Adaptive receiving device removing interference from users and multi-paths by antenna directivity control

NEC CORP24 citations92
US6448939B2Sep 10, 2002

Array antenna receiving apparatus

NEC CORP35 citations92
US6222498B1Apr 24, 2001

CDMA multiuser receiver featuring a combination of array antenna and multiuser cancelers

NEC CORP43 citations92
US10039099B2Jul 31, 2018

Wireless communication system and wireless communication method

NEC CORP7 citations84
US9584288B2Feb 28, 2017

Communication channel quality estimating method, wireless communications system, base station, and program

NEC CORP2 citations73
US9929789B2Mar 27, 2018

Method and system for MU-MIMO communication

NEC CORP2 citations72
US9859964B2Jan 2, 2018

Computing PMIs, particularly in wireless communications systems having a three-dimensional communications channel

NEC CORP2 citations72
US9497013B2Nov 15, 2016

Radio communication system, base station, and communication method

NEC CORP2 citations63
US7924954B2Apr 12, 2011

Frequency correction

NEC CORP2 citations63
US7274951B2Sep 25, 2007

Multi-beam antenna transmitter/receiver and transmitting/receiving method and transmission beam selection method

NEC CORP5 citations63
US6218988B1Apr 17, 2001

Array antenna transmitter with a high transmission gain proportional to the number of antenna elements

NEC CORP5 citations63
US12250698B2Mar 11, 2025

Communication system

NEC CORP0 citations62
US11974295B2Apr 30, 2024

Communication system

NEC CORP0 citations62
US11337204B2May 17, 2022

Communication system

NEC CORP0 citations62
US10205493B2Feb 12, 2019

Method and system for MU-MIMO communication

NEC CORP1 citations61
US11405910B2Aug 2, 2022

Base station, method, program and recording medium

NEC CORP0 citations58
US12015568B2Jun 18, 2024

Base station, method, program, and recording medium

NEC CORP0 citations52
US11611385B2Mar 21, 2023

Base station, system, method, and non-transitory computer readable medium

NEC CORP0 citations52
US10716103B2Jul 14, 2020

Communication system

NEC CORP0 citations52
US10277304B2Apr 30, 2019

Relay communication system

NEC CORP0 citations52
US7286800B2Oct 23, 2007

Multi-beam antenna reception device and multi-beam reception method

NEC CORP1 citations52
US9473225B2Oct 18, 2016

Method for improving transmission capacity in a DL MU-MIMO communications system

NEC CORP1 citations48
US10477571B2Nov 12, 2019

Communication terminal, base station, monitoring method, transmission method, and non-transitory computer-readable medium

NEC CORP0 citations42
US9622194B2Apr 11, 2017

Communication system

NEC CORP0 citations41
US10250311B2Apr 2, 2019

Method and system for MIMO communication

NEC CORP0 citations40
US10063300B2Aug 28, 2018

Computing PMIs, particularly in wireless communications systems having three-dimensional communications channels, using a reference antenna or a reference antenna subset

NEC CORP0 citations40
US9825676B2Nov 21, 2017

Generating precoders for joint transmission from multiple transmission points to multiple user equipments in a downlink coordinated multipoint transmission/reception communications system

NEC CORP0 citations40
US9246564B2Jan 26, 2016

Generating precoders for use in optimising transmission capacity between an eNodeBb and UE in a DL MU-MIMO communications system

NEC CORP0 citations40
US7792151B2Sep 7, 2010

CDMA receiving apparatus and method

NEC CORP0 citations39

MARUTA YASUSHI

5 patents

AWAD YASSIN ADEN

3 patents

NEC LAB AMERICA INC

1 patent

AMINAKA HIROAKI

1 patent