公开(公告)号：US20200351684A1

公开(公告)日：2020-11-05

申请号：US16932126

申请日：2020-07-17

Applicant: NEC Corporation

Inventor： Hisashi FUTAKI ,  Hiroaki AMINAKA ,  Hiroto SUGAHARA ,  Yoshikazu KAKURA ,  Kazushi MURAOKA

IPC: H04W24/08 ,  H04W76/27 ,  H04B17/309 ,  H04B17/24 ,  H04B17/318 ,  H04B17/382 ,  H04W24/10 ,  H04W16/14 ,  H04W88/02 ,  H04W72/04 ,  H04W88/10 ,  H04L5/00 ,  H04W72/08

Abstract: A radio terminal (2) is used in a radio communication system (100) and communicates with a radio station (1). The radio terminal (2) includes a measurement unit (20). The measurement unit (20) operates to perform, using a terminal measurement procedure for executing a first terminal measurement corresponding to radio access technology applied to the radio communication system (100), a second terminal measurement of a shared frequency shared by a plurality of radio systems including the radio communication system (100).

公开(公告)号：US20190159050A1

公开(公告)日：2019-05-23

申请号：US16255408

申请日：2019-01-23

Applicant: NEC Corporation

Inventor： Hisashi FUTAKI ,  Hiroaki AMINAKA ,  Hiroto SUGAHARA ,  Yoshikazu KAKURA ,  Kazushi MURAOKA

IPC: H04W24/08 ,  H04W88/10 ,  H04L5/00 ,  H04W72/08 ,  H04B17/309 ,  H04B17/24 ,  H04W24/10 ,  H04W76/27 ,  H04W16/14 ,  H04W88/02 ,  H04W72/04 ,  H04B17/382 ,  H04B17/318

Abstract: A radio terminal (2) is used in a radio communication system (100) and communicates with a radio station (1). The radio terminal (2) includes a measurement unit (20). The measurement unit (20) operates to perform, using a terminal measurement procedure for executing a first terminal measurement corresponding to radio access technology applied to the radio communication system (100), a second terminal measurement of a shared frequency shared by a plurality of radio systems including the radio communication system (100).

公开(公告)号：US20180249357A1

公开(公告)日：2018-08-30

申请号：US15965321

申请日：2018-04-27

Applicant: NEC Corporation (c/o Hibiki IP Law Firm)

Inventor： Hisashi FUTAKI ,  Hiroaki AMINAKA ,  Hiroto SUGAHARA ,  Yoshikazu KAKURA ,  Kazushi MURAOKA

IPC: H04W24/08 ,  H04W72/04 ,  H04W88/10 ,  H04W72/08 ,  H04B17/24 ,  H04L5/00 ,  H04W76/27 ,  H04B17/382 ,  H04B17/318 ,  H04B17/309 ,  H04W88/02 ,  H04W88/06 ,  H04W16/14

CPC classification number: H04W24/08 ,  H04B17/24 ,  H04B17/309 ,  H04B17/318 ,  H04B17/382 ,  H04L5/0048 ,  H04W16/14 ,  H04W24/10 ,  H04W72/0453 ,  H04W72/085 ,  H04W76/27 ,  H04W88/02 ,  H04W88/06 ,  H04W88/10

Abstract: In one embodiment, a radio terminal (2) is used in a radio communication system (100) and communicates with a radio station (1). The radio terminal (2) includes a measurement unit (20). The measurement unit (20) operates to perform, using a terminal measurement procedure for executing a first terminal measurement corresponding to radio access technology applied to the radio communication system (100), a second terminal measurement of a shared frequency shared by a plurality of radio systems including the radio communication system (100). This embodiment therefore contributes to simplification of a measurement function which should be supported by the radio terminal when the radio communication system uses a shared frequency (e.g., TVWS) shared by the plurality of radio systems.

公开(公告)号：US20180020397A1

公开(公告)日：2018-01-18

申请号：US15545777

申请日：2015-11-05

Applicant: NEC Corporation

Inventor： Hiroaki AMINAKA ,  Hiroto SUGAHARA

IPC: H04W48/16 ,  H04W48/18 ,  H04W8/18

CPC classification number: H04W48/16 ,  H04L67/18 ,  H04W8/005 ,  H04W8/183 ,  H04W8/24 ,  H04W48/18 ,  H04W76/14 ,  H04W92/18

Abstract: A radio terminal (1) updates a preconfigured radio parameter (409, 814) stored in a memory (406, 810) coupled to the radio terminal (1). The preconfigured radio parameter (409, 814) is used by the radio terminal (1) to perform at least one of discovery and direct communication without the assistance of a Public Land Mobile Network (100). This contributes, for example, to flexible adaptation to conditions under which the ProSe communication without the assistance of a network is performed.

公开(公告)号：US20160105815A1

公开(公告)日：2016-04-14

申请号：US14890981

申请日：2014-05-12

Applicant: NEC CORPORATION

Inventor： Hiroto SUGAHARA ,  Jun SHIKIDA ,  Hiroaki AMINAKA ,  Toshifumi NAKAMURA

IPC: H04W24/08 ,  H04L5/00 ,  H04L12/26

CPC classification number: H04W24/08 ,  H04L5/006 ,  H04L43/0882 ,  H04W24/02

Abstract: A method and a device for estimating a communication load, as well as a radio station and an upper-level apparatus in a radio communication system, are provided that can estimate a communication load in a target network with high accuracy by using received quality information. A communication load estimation function (1) for estimating a communication load in a network (NW) estimates the communication load in the network by using at least a first quality indicator (Q1), which is a quality measurement value including entire received power, and a second quality indicator (Q2), which is a quality measurement value including the signal-to-noise-and-interference ratio of a reference signal.

Abstract translation: 提供了一种用于估计通信负载的方法和装置，以及无线电通信系统中的无线电台和上级装置，其可以通过使用接收的质量信息以高精度估计目标网络中的通信负载。 用于估计网络（NW）中的通信负载的通信负载估计功能（1）通过至少使用作为包括整个接收功率的质量测量值的第一质量指示符（Q1）来估计网络中的通信负载，以及 第二质量指示符（Q2），其是包括参考信号的信噪比干扰比的质量测量值。