公开(公告)号：US20180084525A1

公开(公告)日：2018-03-22

申请号：US15563770

申请日：2016-04-01

Applicant: NEC CORPORATION

Inventor： Tomu TAMURA ,  Toshiyuki TAMURA ,  Sadafuku HAYASHI ,  Yoshio UEDA

IPC: H04W68/02

Abstract: A core network node includes: a paging candidate storage unit that holds a candidate(s) of a base station(s) as a paging message transmission destination(s); a base station information storage unit that holds information about a communication function(s) of the candidate(s) of the base station(s); a paging destination selection unit that selects, when a certain mobile station is paged, a paging range from the candidate(s) of the base station(s), based on the communication function(s) of the candidate(s) of the base station(s); and a paging instruction unit that instructs a base station(s) corresponding to the selected range to perform paging.

公开(公告)号：US20160142952A1

公开(公告)日：2016-05-19

申请号：US14897166

申请日：2014-06-09

Applicant: NEC CORPORATION

Inventor： Atsushi NAKATA ,  Yoshio UEDA

IPC: H04W36/04 ,  H04W36/38 ,  H04W36/00

Abstract: A method of handover control, a relay apparatus, and a method for selecting a target cell are provided that make it possible to identify a target cell in a hand-in phase even in a network topology in which relay apparatuses are connected in multiple stages. In a radio communication system in which a base station controller (14) and a first relay apparatus (1) are connected to a communication network, wherein the base station controller has under its control at least one first base station (12) connected thereto, and the first relay apparatus has under its control at least a second relay apparatus (2) connected thereto, wherein the second relay apparatus has under its control at least one second base station (4-6) connected thereto, the first relay apparatus acquires cell information of a cell controlled by the second base station under the control of the second relay apparatus, and in a hand-in phase for handover from the first base station (12), to which a radio station (16) is wirelessly connected, to the second base station (6), the first relay apparatus identifies a target cell of the handover by using the cell information.

Abstract translation: 提供一种越区切换控制方法，中继装置和用于选择目标小区的方法，即使在中继装置以多级连接的网络拓扑中也能够以手入相识别目标小区。 在基站控制器（14）和第一中继装置（1）连接到通信网络的无线电通信系统中，其中，所述基站控制器在其控制下具有至少一个连接到其上的第一基站（12） 并且所述第一中继装置至少具有与其连接的第二中继装置（2），其中，所述第二中继装置在其控制下具有与其连接的至少一个第二基站（4-6），所述第一中继装置获取小区 在第二中继装置的控制下由第二基站控制的小区的信息，以及用于从无线电台（16）无线连接到的第一基站（12）进行切换的切入手段，到 第二基站（6），第一中继装置通过使用小区信息来识别切换的目标小区。

公开(公告)号：US20160142942A1

公开(公告)日：2016-05-19

申请号：US14896422

申请日：2014-02-04

Applicant: NEC CORPORATION

Inventor： Tomohiro WATANABE ,  Atsushi NAKATA ,  Yoshio UEDA

IPC: H04W36/00

CPC classification number: H04W36/0005 ,  H04W36/0016 ,  H04W36/0055 ,  H04W84/045 ,  H04W92/20

Abstract: A base station (103), which is connected to a gateway device (105), comprising: a transmission unit (202) that transmits an Old Transport Info to the gateway device, and the Old Transport Info is an information which is not used by the gateway device when a handover occurs.

Abstract translation: 连接到网关设备（105）的基站（103）包括：传输单元（202），其将旧的传输信息发送到网关设备，旧的传输信息是不被 当切换发生时的网关设备。

公开(公告)号：US20130344880A1

公开(公告)日：2013-12-26

申请号：US13917872

申请日：2013-06-14

Applicant: NEC CORPORATION

Inventor： Tomu TAMURA ,  Yoshio UEDA

IPC: H04W72/04

CPC classification number: H04W72/0433 ,  H04W16/02 ,  H04W28/18 ,  H04W76/50 ,  H04W84/045 ,  H04W88/08 ,  H04W88/16

Abstract: A gateway communicating with a base station, includes a receiver that receives an incoming message including identification information of the base station and one or more parameters indicating an environment of the base station. The gateway also includes a memory that stores correspondence information including a cell identifier in association with at least one of the received identification information and the received one or more parameters. The gateway also includes a controller that determines the cell identifier, corresponding to a cell of the base station, based on the correspondence information and the incoming message, and generates an outgoing message, including the determined cell identifier, to be sent to a core network device. The gateway also includes a transmitter adapted to transmit the outgoing message.

Abstract translation: 与基站通信的网关包括接收包括基站的识别信息和指示基站的环境的一个或多个参数的输入消息的接收机。 网关还包括存储器，其存储包括与所接收的标识信息和所接收的一个或多个参数中的至少一个相关联的小区标识符的对应信息。 网关还包括基于对应信息和输入消息确定对应于基站的小区的小区标识符的控制器，并且生成包括确定的小区标识符的外发消息，以发送到核心网 设备。 网关还包括适于发送传出消息的发射机。

公开(公告)号：US20220248351A1

公开(公告)日：2022-08-04

申请号：US17629447

申请日：2021-02-03

Applicant: NEC Corporation

Inventor： Yoshio UEDA

IPC: H04W56/00

Abstract: A first base station (131) is configured to notify a second base station (132) of frequency accuracy information indicating frequency accuracy of the first base station (131) in a wireless manner or via a backhaul.

公开(公告)号：US20210037391A1

公开(公告)日：2021-02-04

申请号：US16963991

申请日：2019-01-24

Applicant: NEC CORPORATION

Inventor： Yoshio UEDA

IPC: H04W16/14 ,  H04W28/24 ,  H04L5/00

Abstract: In order to make it possible to provide a good communication service even when unlicensed spectrum is used, a communication apparatus according to an example aspect of the present disclosure includes an information obtaining unit configured to obtain first control information indicating communication service quality for unlicensed spectrum, and a communication processing unit configured to transmit the first control information to a communication node which communicates in a radio access network.

公开(公告)号：US20170289906A1

公开(公告)日：2017-10-05

申请号：US15509576

申请日：2015-09-03

Applicant: NEC Corporation

Inventor： Tomu TAMURA ,  Yoshio UEDA

IPC: H04W52/02 ,  H04W36/22 ,  H04W72/08

CPC classification number: H04W52/0212 ,  H04W36/22 ,  H04W48/06 ,  H04W48/08 ,  H04W52/02 ,  H04W52/0277 ,  H04W72/085 ,  H04W88/02 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/124 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/23

Abstract: A wireless base station includes: a communication unit 101 configured to communicate with a mobile station which measures radio quality of a signal transmitted in each of a plurality of cells; an acquisition unit 102 configured to acquire load information related to a load of a network including a wireless base station forming the cell; and a control unit 103. The control unit 103 receives information indicating a measurement result of the radio quality of the signal transmitted in each of the plurality of cells and a state of a battery of the mobile station, from the mobile station via the communication unit, determines a signal, radio quality of which is to be measured by the mobile station, based on the measurement results of the radio qualities and the state of the battery of the mobile station, indicated in the information received, and the load information acquired by the acquisition unit, and notifies the signal determined to be measured to the mobile station via the communication unit.

公开(公告)号：US20160270024A1

公开(公告)日：2016-09-15

申请号：US15032857

申请日：2014-08-11

Applicant: NEC CORPORATION

Inventor： Atsushi NAKATA ,  Yoshio UEDA

IPC: H04W64/00 ,  H04W84/04 ,  H04W8/22 ,  H04W92/12

CPC classification number: H04W64/003 ,  H04W8/22 ,  H04W64/00 ,  H04W84/00 ,  H04W84/045 ,  H04W88/08 ,  H04W92/12

Abstract: A radio communication system includes a relay apparatus (30) connected between a base station (40) and a base control station (20) and a location information control station (10), in which: the location information control station (10) includes: a request generation unit (11) for generating a location information request including regional information of a region for which the location information is requested; and a request transmission unit (12) for transmitting the location information request that has been generated to the base control station (20), and the base control station (20) includes: a request reception unit (21) for receiving the location information request transmitted from the location information control station (10); and a request transmission unit (22) for transmitting the location information request including the regional information in the location information request that has been received to the relay apparatus (30). It is therefore possible to accurately transmit the location information request.

Abstract translation: 无线电通信系统包括连接在基站（40）和基站控制站（20）之间的中继装置（30）和位置信息控制站（10），其中：位置信息控制站（10）包括： 一个请求生成单元，用于生成包含请求位置信息的区域的区域信息的位置信息请求; 以及用于将已经产生的位置信息请求发送到基站控制站（20）的请求发送单元（12），并且基站控制站（20）包括：请求接收单元（21），用于接收位置信息请求 从所述位置信息控制站（10）发送; 以及请求发送单元（22），用于将已经接收的位置信息请求中包含区域信息的位置信息请求发送到中继装置（30）。 因此，可以精确地发送位置信息请求。

公开(公告)号：US20160198370A1

公开(公告)日：2016-07-07

申请号：US14442627

申请日：2013-07-24

Applicant: NEC Corporation

Inventor： Tomohiro WATANABE ,  Yoshio UEDA ,  Atsushi NAKATA

IPC: H04W36/00

CPC classification number: H04W36/0061 ,  H04W24/02 ,  H04W36/0083 ,  H04W92/20

Abstract: A communication control method includes: transmitting, by a second radio base station (103) adjacent to a first radio base station (100), an attribute value relating to a second cell (102) under control of the second radio base station (103) to the first radio base station; receiving, by the first radio base station, the attribute value relating to the second cell; comparing, by the first radio base station, the attribute value relating to the second cell with an attribute value relating to a first cell under control of the first radio base station; and executing, by the first radio base station, processing for matching the attribute value relating to the second cell with the attribute value relating to the first cell in accordance with a predetermined criterion when the received attribute value relating to the second cell is different from the attribute value relating to the first cell.

Abstract translation: 通信控制方法包括：在第二无线基站（103）的控制下，由与第一无线基站（100）相邻的第二无线基站（103）发送与第二小区有关的属性值， 到第一个无线电基站; 由所述第一无线基站接收与所述第二小区有关的属性值; 在所述第一无线基站的控制下，将与所述第二小区有关的所述属性值与与所述第一无线基站的控制下的第一小区有关的属性值进行比较; 以及当所接收到的与所述第二小区有关的属性值与所述第二小区相关的属性值与所述第二小区相关的属性值与所述第二小区相关的属性值与所述第一小区相关的属性值按照预定标准执行时，由所述第一无线基站执行处理 与第一个单元相关的属性值。