公开(公告)号：US20160255539A1

公开(公告)日：2016-09-01

申请号：US15028408

申请日：2014-10-07

Applicant: NEC CORPORATION

Inventor： Yasuhiro MIZUKOSHI ,  Makoto FUJINAMI ,  Yoshiyuki YAMADA

IPC: H04W28/08 ,  H04L12/947 ,  H04W72/08 ,  H04L29/12 ,  H04W72/04

CPC classification number: H04W28/08 ,  H04L49/25 ,  H04L61/1511 ,  H04L61/2507 ,  H04L61/256 ,  H04W8/082 ,  H04W36/0072 ,  H04W36/12 ,  H04W72/0486 ,  H04W72/08 ,  H04W80/04 ,  H04W88/16

Abstract: A communication system, a communication apparatus and a communication control method are provided that make it possible to easily introduce a traffic offload function. A communication system including: a base station (10) wirelessly connecting to terminals (20); and a network (40) is provided with an address translation table (101) for offloading a traffic from a terminal to the network, and a source translation section (102) for translating a source port in the address translation table, per radio bearer (RB) that is set up between a traffic source terminal and the base station.

Abstract translation: 提供一种通信系统，通信装置和通信控制方法，能够容易地引入流量卸载功能。 一种通信系统，包括：无线连接到终端（20）的基站（10）; 并且网络（40）设置有用于将流量从终端卸载到网络的地址转换表（101），以及用于将每个无线电承载（地址转换表）中的源端口进行翻译的源翻译部分（102） RB），其在业务源终端和基站之间建立。

公开(公告)号：US20190141481A1

公开(公告)日：2019-05-09

申请号：US16096381

申请日：2017-04-14

Applicant: NEC Corporation

Inventor： Makoto FUJINAMI ,  Yasuhiro MIZUKOSHI

IPC: H04W4/029 ,  H04W4/02

Abstract: A management system, according to one aspect of the present invention, includes: a mobile body that uses a predetermined motion model to estimate, on the basis of the velocity of the own device, the position of an own device after a predetermined period has elapsed; and a management device that uses the predetermined motion model to estimate, on the basis of information about the velocity of the mobile body, the position of the mobile body after the predetermined period has elapsed. The management system is further characterized in that when an error between the position of the own device measured after the predetermined period has elapsed and the estimated position of the own device exceeds a predetermined threshold, the mobile body transmits information about the velocity of the own device to the management device.

公开(公告)号：US20170156088A1

公开(公告)日：2017-06-01

申请号：US15322835

申请日：2015-06-29

Applicant: NEC Corporation

Inventor： Makoto FUJINAMI

IPC: H04W36/00

Abstract: In a communication system, when a path is switched along with communication apparatus switchover, a packet sent/received via this path may be lost. A relay apparatus according to the present invention is characterized by including: a first means capable of switching a forwarding destination of a communication session related to a terminal; and a second means capable of sending a control signal indicating termination of the communication session, in response to switchover from a first network node to a second network node corresponding to the first network node, wherein the first network node is the forwarding destination of the communication session.

公开(公告)号：US20170019823A1

公开(公告)日：2017-01-19

申请号：US15300740

申请日：2015-03-19

Applicant: NEC Corporation

Inventor： Makoto FUJINAMI

IPC: H04W36/12 ,  H04W36/32 ,  H04W36/00

CPC classification number: H04W36/12 ,  H04W4/029 ,  H04W36/0011 ,  H04W88/182

Abstract: A mobile communication system, a communication apparatus and a communication control method are provided that can maintain the continuity of a service mobile terminals are using while reducing the loads on a server and a network. A communication apparatus (A, B) including virtual machines (100) accommodating sessions of mobile terminals and a virtual machine control means (101) for controlling the virtual machines, and a terminal location synchronization detection function (104) of determining whether or not changes in location of at least two mobile terminals (102) are in sync are provided, wherein if there are at least two terminals whose changes in location are in sync, respective sessions of these at least two mobile terminals are accommodated by a single virtual machine in the communication apparatus.

Abstract translation: 提供一种移动通信系统，通信装置和通信控制方法，其可以在减少服务器和网络上的负载的同时保持移动终端正在使用的服务的连续性。 包括容纳移动终端的虚拟机（100）的通信装置（A，B）和用于控制虚拟机的虚拟机控制装置（101），以及确定是否改变的终端位置同步检测功能（104） 提供至少两个移动终端（102）的位置同步，其中如果存在至少两个位置的位置同步的终端，则这些至少两个移动终端的相应会话由单个虚拟机容纳在 通信装置。

公开(公告)号：US20160234673A1

公开(公告)日：2016-08-11

申请号：US15023148

申请日：2014-09-19

Applicant: NEC CORPORATION

Inventor： Makoto FUJINAMI

IPC: H04W8/02 ,  H04L29/08 ,  H04L29/12

CPC classification number: H04W8/02 ,  H04L61/2539 ,  H04L67/142 ,  H04W36/0033 ,  H04W36/12 ,  H04W88/005

Abstract: A communication apparatus and a communication control method are provided that make it possible to easily relocate communication apparatus while the continuity of a service a mobile terminal is using is maintained. In a communication system including a terminal (400), communication apparatuses (A, B) that provide a service to the terminal (400) each include: a virtual machine (10) that manages a state of communication with the terminal (400) by using information on a session for providing the service; and a virtual machine management section (11) that controls execution of the virtual machine and migration of the virtual machine.

Abstract translation: 提供了一种通信装置和通信控制方法，其使得可以容易地重新定位通信装置，同时保持移动终端正在使用的服务的连续性。 在包括终端（400）的通信系统中，向终端（400）提供服务的通信装置（A，B）各自包括：虚拟机（10），其通过以下方式管理与终端（400）的通信状态 使用用于提供服务的会话的信息; 以及控制虚拟机的执行和虚拟机的迁移的虚拟机管理部（11）。

公开(公告)号：US20240334199A1

公开(公告)日：2024-10-03

申请号：US18599348

申请日：2024-03-08

Applicant: NEC Corporation

Inventor： Makoto FUJINAMI

IPC: H04W16/28 ,  H04L5/14 ,  H04W52/36 ,  H04W64/00

CPC classification number: H04W16/28 ,  H04L5/1469 ,  H04W52/367 ,  H04W64/003

Abstract: The base station includes: a position information acquisition unit that acquires position information of the base station; a state information sharing unit that shares the position information of the base station and state information including a transmission power amount and a radio wave directivity of the base station with adjacent base stations, and acquires position information of the adjacent base station and state information of the adjacent base station; a decision unit that decides whether cell adjustment is necessary, based on position information and acquired state information of the adjacent base station, position information and acquired state information of the base station; a calculation unit that calculates a transmission power amount or a radio wave directivity of the base station when cell adjustment is necessary; and a cell adjustment unit that adjusts a cell by changing to the calculated transmission power amount or radio wave directivity.

公开(公告)号：US20180035284A1

公开(公告)日：2018-02-01

申请号：US15546333

申请日：2016-02-03

Applicant: NEC CORPORATION

Inventor： Makoto FUJINAMI

IPC: H04W8/24 ,  H04W48/18 ,  H04W88/10 ,  H04W4/00

CPC classification number: H04W8/245 ,  H04W4/70 ,  H04W48/18 ,  H04W88/10

Abstract: To provide a new traffic off-load feature according to a terminal type, a communication apparatus of the present invention is provided with a first means for identifying, on the basis of an attribute of the terminal, a network to be connected to the terminal from among a plurality of networks including a first network managed by a first operator and a second network managed by a second operator, and a second means for processing communication with the terminal so that a network node that performs predetermined signal processing in the identified network is connected with the terminal, and is characterized in that the first means can identify the second network managed by the second operator, the second network providing communication service to the subscriber terminal of the second operator by using the network node provided by the first operator.

公开(公告)号：US20170318512A1

公开(公告)日：2017-11-02

申请号：US15528244

申请日：2015-11-19

Applicant: NEC CORPORATION

Inventor： Makoto FUJINAMI

IPC: H04W36/22 ,  H04W4/00 ,  H04W28/08 ,  H04W8/24 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04W36/22 ,  H04W4/70 ,  H04W8/22 ,  H04W8/24 ,  H04W28/08 ,  H04W36/24 ,  H04W76/10 ,  H04W88/02 ,  H04W88/08

Abstract: A communication device for offloading communication traffic includes: a first means which identifies an attribute of a terminal based on information included in a message transmitted by the terminal to connect to a wireless network; and a second means which processes the message in such a way that the terminal and a base station corresponding to the attribute of the terminal are connected based on the identified attribute.

公开(公告)号：US20170055163A1

公开(公告)日：2017-02-23

申请号：US15118580

申请日：2015-02-13

Applicant: NEC Corporation

Inventor： Makoto FUJINAMI

IPC: H04W24/02 ,  H04L12/24 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W24/02 ,  H04L5/0037 ,  H04L41/0893 ,  H04W72/0453 ,  H04W88/085 ,  H04W88/10

Abstract: A technique is provided that makes it possible to diversely control a radio network based on status other than that of the radio network. A network control apparatus in a radio network, wherein each base station is separated into a radio section and a baseband processing section, includes: a first means for acquiring a parameter related to logical division of the radio network; and a second means for controlling a relation of connection between the radio section and the baseband processing section so that the baseband processing section to be associated with the radio section will be assigned according to the parameter.

Abstract translation: 提供了一种使得可以基于与无线电网络不同的状态来不同地控制无线电网络的技术。 一种无线网络中的网络控制装置，其特征在于，各基站分离为无线部分和基带处理部，包括：第一装置，用于获取与无线电网络的逻辑划分有关的参数; 以及用于控制无线电部分和基带处理部分之间的连接关系的第二装置，使得将根据该参数分配与无线电部分相关联的基带处理部分。

公开(公告)号：US20170019337A1

公开(公告)日：2017-01-19

申请号：US15301187

申请日：2015-03-19

Applicant: NEC Corporation

Inventor： Makoto FUJINAMI

IPC: H04L12/803 ,  H04W48/00 ,  H04L12/721

CPC classification number: H04L47/125 ,  H04L12/6418 ,  H04L45/124 ,  H04L45/38 ,  H04L45/64 ,  H04L47/122 ,  H04W48/17

Abstract: A communication system, a communication method and a control apparatus are provided that can resolve an optimum path while taking consideration of network resources and the resources of packet processing nodes. Included are a plurality of nodes (N1 to N5) each having a routing function, at least one processing node (20a, 20b) performing processing of an arriving packet, and an upper-level control apparatus (30) that calculates an optimum path up to the processing node by using network load information collected from the network nodes and processing load information collected from the processing node, and performs path setting on each network node.

Abstract translation: 提供一种能够在考虑网络资源和分组处理节点的资源的同时解决最优路径的通信系统，通信方法和控制装置。 包括各自具有路由功能的多个节点（N1〜N5），至少一个执行到达分组的处理的处理节点（20a，20b）和上位控制装置（30），其计算最佳路径向上 通过使用从网络节点收集的网络负载信息并处理从处理节点收集的负载信息到处理节点，并在每个网络节点上执行路径设置。