公开(公告)号：US20220417097A1

公开(公告)日：2022-12-29

申请号：US17637159

申请日：2021-01-22

Applicant: NEC Corporation

Inventor： Atsushi NAKATA

IPC: H04L41/0866 ,  H04L43/062 ,  H04L67/2885 ,  H04W24/06

Abstract: There is provided a communication apparatus that enables acquisition of data to be sent after a Secure Shell (SSH) connection between a wireless unit and a baseband unit is established. A communication apparatus (10) according to the present disclosure includes a communication unit (11) that establishes a first Secure Shell (SSH) connection with a wireless apparatus (20) that performs wireless communication with a communication terminal (40), and establishes a second SSH connection with a control apparatus (30) that performs a baseband process related to a signal used in the wireless communication, and a data recording unit (12) that records data of a management plane received from the wireless apparatus (20) through the first SSH connection or the data of the management plane received from the control apparatus (30) through the second SSH connection.

公开(公告)号：US20160269936A1

公开(公告)日：2016-09-15

申请号：US15029125

申请日：2014-10-21

Applicant: NEC CORPORATION

Inventor： Tomohiro WATANABE ,  Yasuhiko MATSUNAGA ,  Atsushi NAKATA

IPC: H04W28/08 ,  H04B7/14

CPC classification number: H04W28/08 ,  H04B7/14 ,  H04W88/08

Abstract: [Problem] To provide a communication system, a radio base station, a traffic load distribution method and a traffic load distribution program whereby backhaul congestions can be avoided and degradation of the throughputs of terminals can be avoided. [Solution] A management control apparatus (20) comprising: a first communication unit (21) that collects, from relay apparatuses, backhaul resource load information indicating the traffic loads of the links in the backhaul between a core network and radio base stations (10-1 to 10-n); a calculation unit (22) that extracts, on the basis of the backhaul resource load information, the bottleneck link the load of which is the highest among those of the links for each radio base station; and a second communication unit (23) that transmits the backhaul resource load information of the bottleneck links to the radio base stations. The radio base stations (10-1 to 10-n) comprise respective execution units (11) that execute the distribution of the traffic loads among the radio base stations on the basis of the backhaul resource load information of the bottleneck links received from the management control apparatus (20).

Abstract translation: [问题]提供一种通信系统，无线基站，业务负荷分配方法和业务负载分布程序，从而可以避免回传拥塞，并且可以避免终端吞吐量的恶化。 一种管理控制装置，包括：第一通信单元，其从中继装置收集指示核心网络和无线基站之间的回程中的链路的业务负载的回程资源负载信息（10 -1至10-n）; 基于所述回程资源负载信息，提取其负荷为每个无线基站的链路中的负载最高的瓶颈链路的计算单元（22） 以及向无线基站发送瓶颈链路的回程资源负载信息的第二通信单元（23）。 无线电基站（10-1至10-n）包括各自的执行单元（11），其基于从管理接收到的瓶颈链路的回程资源负载信息来执行无线电基站中的业务负载分布 控制装置（20）。

公开(公告)号：US20160127923A1

公开(公告)日：2016-05-05

申请号：US14897721

申请日：2014-02-17

Applicant: NEC CORPORATION

Inventor： Yasuhiko MATSUNAGA ,  Atsushi NAKATA ,  Toshiyuki SASHIHARA

IPC: H04W24/02 ,  H04W36/38 ,  H04W72/04 ,  H04W28/02 ,  H04W48/06 ,  H04W36/00 ,  H04W28/08

CPC classification number: H04W24/02 ,  H04W28/0215 ,  H04W28/0226 ,  H04W28/0236 ,  H04W28/08 ,  H04W36/0083 ,  H04W36/385 ,  H04W48/06 ,  H04W72/0406 ,  H04W88/02 ,  H04W88/08

Abstract: An apparatus (10) used in a Self-Organizing Network (SON) includes a SON execution unit (101) and an exclusion processing unit (105). The SON execution unit (101) executes a SON operation on a first cell (40), a second cell (41) or a neighboring cell pair (40 and 41), the SON operation including repeatedly adjusting a configuration parameter that affects an operation of a base station (20) or a mobile station (30) to achieve an optimization objective. The exclusion processing unit (105) excludes the first cell (40), the second cell (41) or the neighboring cell pair (40 and 41) from a future SON operation by the SON execution unit (101), if achievement status of the optimization objective after completion of the SON operation by the SON execution unit (101) does not satisfy a predetermined reference level. This can contribute to suppression of execution of SON operation providing only little performance improvement.

Abstract translation: 在自组织网络（SON）中使用的装置（10）包括SON执行单元（101）和排除处理单元（105）。 SON执行单元（101）对第一小区（40），第二小区（41）或相邻小区对（40和41）执行SON操作，所述SON操作包括重复地调整影响操作的配置参数 基站（20）或移动站（30），以实现优化目标。 排除处理单元（105）从SON执行单元（101）的未来SON操作中排除第一单元（40），第二单元（41）或相邻单元对（40和41），如果 由SON执行单元（101）完成SON操作之后的优化目标不满足预定的参考水平。 这可以有助于抑制SON操作的执行，仅提供很小的性能改进。

公开(公告)号：US20240306017A1

公开(公告)日：2024-09-12

申请号：US18276369

申请日：2021-02-24

Applicant: NEC Corporation

Inventor： Ukyo Hishi ,  Atsushi NAKATA

IPC: H04W24/08 ,  H04L43/0823 ,  H04W88/08

CPC classification number: H04W24/08 ,  H04L43/0847 ,  H04W88/08

Abstract: An object of the present disclosure is to provide a remote unit (RU) apparatus that can effectively utilize statistical information of packets generated in a RU apparatus and a distributed unit (DU) apparatus that execute separated functions in a base station. A RU apparatus (10) according to the present disclosure includes: a reception unit (11) that receives a packet from a DU apparatus (20) that executes processing of a higher-level layer than a layer to be executed by the RU apparatus (10) among communication functions of a base station that are divided into a plurality of layers; and a transmission unit (12) that transmits an alarm signal to the DU apparatus (20) or a management apparatus that manages a network when statistical information regarding the received packet satisfies a predetermined criterion.

公开(公告)号：US20230422192A1

公开(公告)日：2023-12-28

申请号：US17627976

申请日：2021-08-24

Applicant: NEC Corporation ,  NEC Platforms, Ltd.

Inventor： Atsushi NAKATA ,  Takashi NAKAGAWA ,  Kanada NAKAYASU

IPC: H04W56/00 ,  H04L5/00

CPC classification number: H04W56/0015 ,  H04L5/0051

Abstract: In order to execute processing relating to synchronization based on a synchronization signal, a radio node 200 includes: a first processing section 211 configured to receive a synchronization signal transmitted from a first node 100; and a second processing section 212 configured to generate a reference signal by using a time signal acquired from a time signal source, and execute processing relating to synchronization in accordance with a comparison result based on the synchronization signal and the reference signal.

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。

公开(公告)号：US20220201796A1

公开(公告)日：2022-06-23

申请号：US17601500

申请日：2020-04-08

Applicant: NEC Corporation

Inventor： Atsushi NAKATA ,  Daisuke OGURA

IPC: H04W80/02 ,  H04L12/46

Abstract: In order to further facilitate implementation of communication of a C/U-plane via an intermediate node 200, a communication apparatus according to an aspect of the present invention includes: an information obtaining unit configured to obtain management information indicating correspondence relationship between an address of an intermediate node and an address of a radio unit performing radio frequency processing, the intermediate node being a node transmitting signals between the radio unit and a radio access network node communicating with one or more user equipments via the radio unit, the address of the intermediate node being used by the intermediate node to connect to the radio unit for communication of a control/user plane, the address of the radio unit being used by the radio unit to connect to the intermediate node for communication of the control/user plane; and a communication processing unit configured to transmit the management information to a controller controlling a configuration of the radio unit.

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。