公开(公告)号：US20220256449A1

公开(公告)日：2022-08-11

申请号：US17628626

申请日：2020-10-02

Applicant: NEC Corporation

Inventor： Yuhua CHEN ,  Neeraj GUPTA ,  Jagdeep Ahluwalia SINGH

IPC: H04W48/18 ,  H04W12/06 ,  H04W48/08 ,  H04W12/08

Abstract: In one aspect, a method performed by a base station includes:
performing a Radio Resource Control (RRC) resume procedure for a user equipment (UE) in a cell of a non-public network; obtaining i) information identifying whether or not the UE is authorised to access the cell of a non-public network or ii) information identifying at least one non-public network that the UE is authorised to access, from another base station; verifying, based on the information of i) or ii), whether the UE is authorised to access the non-public network, wherein the information of i) or ii) is stored, in a UE context for the UE in the another base station in a process of a RRC setup for the UE in another cell of a network.

公开(公告)号：US20220191727A1

公开(公告)日：2022-06-16

申请号：US17683503

申请日：2022-03-01

Applicant: NEC Corporation

Inventor： Yuhua CHEN ,  Sivapathalingham SIVAVAKEESAR

IPC: H04W24/10 ,  H04L1/00 ,  H04L5/00 ,  H04W16/14 ,  H04W16/28 ,  H04B7/06

Abstract: A communication system is disclosed in which a serving base station configures a mobile device for performing measurements with respect to signals transmitted by a neighbour base station. The serving base station obtains a measurement report from the mobile device, the measurement report comprising a result of signal measurements in association with information identifying a beamformed region in which a signal to which said result of said signal measurements relates was transmitted.

公开(公告)号：US20210306848A1

公开(公告)日：2021-09-30

申请号：US17252057

申请日：2019-06-14

Applicant: NEC CORPORATION

Inventor： Yuhua CHEN ,  Sadafuku HAYASHI ,  Hisashi FUTAKI ,  Jagdeep Ahluwalia SINGH ,  Neeraj GUPTA ,  Chadi KHIRALLAH

IPC: H04W12/033 ,  H04W76/18

Abstract: A communication system is disclosed in which a distributed base station apparatus comprises a central unit for control plane signalling (CU-CP), at least one a central unit for user plane signalling (CU-UP), and at least one distributed unit. The CU-CP obtains information indicating whether a security configuration is supported by a CU-UP and selects a security configuration for an item of user equipment (UE) based on the obtained information.

公开(公告)号：US20210274529A1

公开(公告)日：2021-09-02

申请号：US17258343

申请日：2019-07-08

Applicant: NEC Corporation

Inventor： Yuhua CHEN ,  Neeraj GUPTA ,  Jagdeep Ahluwalia SINGH

IPC: H04W72/12

Abstract: A communication system is described in which a base station transmits, to a UE (user equipment), via a data radio bearer (DRB), a downlink data packet that includes information identifying a data flow. The downlink data packet is transmitted prior to commencement of transmission, via that DRB, of data packets comprising any downlink user-plane data associated with the identified data flow.

公开(公告)号：US20190357227A1

公开(公告)日：2019-11-21

申请号：US16476169

申请日：2017-12-19

Applicant: NEC Corporation

Inventor： Chadi KHIRALLAH ,  Yassin Aden AWAD ,  Yuhua CHEN ,  Robert ARNOTT

IPC: H04W72/08 ,  H04L12/947 ,  H04W72/04

Abstract: A communication system is disclosed in which a base station manages the transmission of on-demand system information to optimise the trade-off between the additional signalling overhead associated with on-demand transmission and the resource usage inefficiencies associated with the sometimes unnecessary transmission of system information on a periodic basis. The base station manages switching from on-demand transmission to periodic transmission, and vice versa, based on one or more utilisation thresholds.

公开(公告)号：US20180019839A1

公开(公告)日：2018-01-18

申请号：US15546163

申请日：2016-01-13

Applicant: NEC Corporation

Inventor： Yuhua CHEN ,  Yassin Aden AWAD ,  Robert ARNOTT

IPC: H04L1/00 ,  H04W48/10 ,  H04W48/12 ,  H04W76/02 ,  H04W72/04 ,  H04W72/12

CPC classification number: H04L1/0038 ,  H04L1/0045 ,  H04L1/0072 ,  H04L1/08 ,  H04W48/10 ,  H04W48/12 ,  H04W72/042 ,  H04W72/12 ,  H04W76/14 ,  H04W92/10

Abstract: A communication system is described in which system information is transmitted to communication devices, by a communication apparatus of the system, in system information blocks, in accordance with a system information block transmission scheme. The communication apparatus configures at least one system information block to include control information indicating how the system information blocks will be transmitted.

公开(公告)号：US20160380779A1

公开(公告)日：2016-12-29

申请号：US15112774

申请日：2015-01-23

Applicant: NEC CORPORATION

Inventor： Vivek SHARMA ,  Yuhua CHEN

IPC: H04L12/18 ,  H04W72/12

Abstract: A system is provided in which a user device communicates control data with a first base station and communicates user data with a second base station. The user device receives, from the first base station, configuration data specific to the first base station and configuration data specific to the second base station for configuring the user device to handle in-device coexistence interference. When the user device detects interference, it identifies the base station to which the interference relates, and controls the operating of its transceiver circuitry: i) using the first base station specific configuration data if it identifies that the interference is related to the first base station; and ii) using the second base station specific configuration data if it identifies that the interference is related to the second base station.

Abstract translation: 提供了一种系统，其中用户设备与第一基站通信控制数据，并将用户数据与第二基站进行通信。 用户装置从第一基站接收特定于第一基站的配置数据和第二基站专用的配置数据，用于配置用户设备以处理设备内共存干扰。 当用户设备检测到干扰时，它识别干扰所涉及的基站，并且控制其收发器电路的操作：i）如果它识别出干扰与第一基站有关，则使用第一基站特定配置数据 ; 以及ii）如果识别出所述干扰与所述第二基站相关，则使用所述第二基站特定配置数据。

公开(公告)号：US20160277987A1

公开(公告)日：2016-09-22

申请号：US15032211

申请日：2014-10-27

Applicant: NEC CORPORATION

Inventor： Yuhua CHEN ,  Vivek SHARMA ,  Hisashi FUTAKI

IPC: H04W36/24 ,  H04W76/06 ,  H04W36/00

CPC classification number: H04W36/24 ,  H04B17/382 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0044 ,  H04L5/0085 ,  H04W36/0044 ,  H04W36/0069 ,  H04W36/305 ,  H04W76/15 ,  H04W76/34 ,  H04W88/06 ,  H04W92/20

Abstract: A communication system is disclosed, in which a mobile telephone communicates user data substantially simultaneously via a first base station and a second base station of the communication system. The mobile telephone detects a problem in communications with the second base station and transmits, to the first base station on detection of a problem in communications with said second base station, an indication of the detected problem in communications with the second base station.

Abstract translation: 公开了一种通信系统，其中移动电话基本上同时经由通信系统的第一基站和第二基站传送用户数据。 移动电话检测与第二基站的通信中的问题，并且在与第二基站的通信中检测到问题时，向第一基站发送与第二基站的通信中检测到的问题的指示。

公开(公告)号：US20160198398A1

公开(公告)日：2016-07-07

申请号：US14908311

申请日：2014-07-17

Applicant: NEC CORPORATION

Inventor： Yuhua CHEN ,  Vivek SHARMA

IPC: H04W48/18 ,  H04W76/02

Abstract: A communications system is described in which a communication device is able to communicate with a base station via a first communication path and with an access node via a second communication path. The communication device provides to the base station an indication of whether or not the communication device is enabled to use the second communication path. The communication device receives, from the base station and in dependence on the indication, control data for changing between the first and the second communication paths, and changes between the first and second communication paths in accordance with the received control data.

Abstract translation: 描述了通信系统，其中通信设备能够经由第一通信路径和经由第二通信路径的接入节点与基站通信。 通信设备向基站提供通信设备是否能够使用第二通信路径的指示。 通信装置根据所接收到的控制数据从基站接收根据该指示的第一和第二通信路径之间的变化控制数据以及第一和第二通信路径之间的变化。