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公开(公告)号：US20220279594A1
公开(公告)日：2022-09-01
申请号：US17625860
申请日：2021-03-04
Applicant: NEC Corporation
Inventor： Yuhua CHEN , Hisashi FUTAKI
Abstract: A system is disclosed in which a user equipment (UE) performs small data transmissions in Radio Resource Control (RRC) Inactive state. The UE receives information configuring small data transmissions via a control-plane, and when there is uplink data to be sent as a small data transmission, the UE generates and transmits an RRC message comprising said small data transmission using a Signalling Radio Bearer (SRB) provided via a Common Control Channel (CCCH).
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公开(公告)号：US20200383087A1
公开(公告)日：2020-12-03
申请号：US16999363
申请日：2020-08-21
Applicant: NEC CORPORATION
Inventor： Yuhua CHEN
Abstract: A communication system is disclosed in which a base station receives, from a core network entity, a paging request for paging an MTC device. The base station determines a paging occasion for sending to said MTC device paging related information, wherein the paging occasion is defined such that it identifies a plurality of subframes in which the paging related information can be sent and repeated. The base station sends (and repeats, as appropriate) the paging related information in the plurality of subframes identified by the paging occasion.
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公开(公告)号：US20200296711A1
公开(公告)日：2020-09-17
申请号：US16885791
申请日：2020-05-28
Applicant: NEC Corporation
Inventor： Yassin Aden AWAD , Yuhua CHEN , Vivek SHARMA
Abstract: A communication system is described in which machine-type communication devices having a reduced bandwidth can be allocated physical uplink control channel resources that fall within that reduced bandwidth whilst other, legacy, devices can continue to use physical uplink control channel resources that do not fall within that reduced bandwidth.
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公开(公告)号：US20170318491A1
公开(公告)日：2017-11-02
申请号：US15524105
申请日：2015-10-19
Applicant: NEC Corporation
Inventor： Yuhua CHEN , Sivapathalingham SIVAVAKEESAR
CPC classification number: H04W24/10 , H04B7/0617 , H04B7/0639 , H04L1/0026 , H04L5/0073 , H04W16/14 , H04W16/28 , H04W84/042 , H04W88/02 , H04W88/08
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.
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公开(公告)号：US20170048912A1
公开(公告)日：2017-02-16
申请号：US15307467
申请日：2015-03-25
Applicant: NEC Corporation
Inventor： Vivek SHARMA , Robert ARNOTT , Hisashi FUTAKI , Yuhua CHEN
CPC classification number: H04W76/15 , H04L43/00 , H04L43/0852 , H04W28/08 , H04W72/085 , H04W76/11 , H04W88/10
Abstract: A communication system is disclosed, in which a mobile communication device communicates user data using a communication bearer provided via a first base station and a second base station of the communication system. The base stations are configured to determine a packet delay for communicating user data using said communication bearer based on the time when the first base station started PDCP processing for a data packet communicated using said communication bearer, and based on the time when the data packet was acknowledged by said mobile communication device to the second base station.
Abstract translation: 公开了一种通信系统，其中移动通信设备使用通过通信系统的第一基站和第二基站提供的通信承载来传送用户数据。 基站被配置为基于第一基站开始对使用所述通信承载传送的数据分组进行PDCP处理的时间，并且基于数据分组的时间，确定用于使用所述通信承载传送用户数据的分组延迟 由所述移动通信设备向第二基站确认。
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Patent Agency Ranking
公开(公告)号：US20250150862A1
公开(公告)日：2025-05-08
申请号：US18838331
申请日：2023-02-27
Applicant: NEC CORPORATION
Inventor： Zhe CHEN , Neeraj GUPTA , Yuhua CHEN
IPC: H04W24/04
Abstract: A communication system is disclosed which includes a distributed base station apparatus comprising a control plane unit, a user plane unit, and a distributed unit. Respective interfaces are set up between the control plane unit and the user plane unit, between the control plane unit and the distributed unit, and between the control plane unit and a core network node. The control plane unit acts as a master control plane unit. The user plane unit or the distributed unit obtains information identifying a further control plane unit to act as a redundant unit in case of a failure the master control plane unit. Corresponding interfaces are set up between the further control plane unit and the user plane unit, between the further control plane unit and the distributed unit, and between the further control plane unit and a core network node for resiliency.
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公开(公告)号：US20240349145A1
公开(公告)日：2024-10-17
申请号：US18579564
申请日：2022-06-30
Applicant: NEC Corporation
Inventor： Yuhua CHEN , Neeraj GUPTA , Ayesha IJAZ
Abstract: A communication system comprising a non-terrestrial network part is disclosed in which a user equipment (UE) is served by one of the cells of the non-terrestrial network part. The UE determines whether to delay/suspend a small data transmission, based one or more associated parameters, so as to avoid a radio link failure or a handover. When the transmission is delayed/suspended, the UE initiates/resumes the data transmission in a new serving cell (e.g. after cell reselection or RRC establishment in the new cell), or via a relay (e.g. a device-to-device relay).
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18.发明公开公开(公告)号：US20240206002A1
公开(公告)日：2024-06-20
申请号：US18285717
申请日：2022-04-12
Applicant: NEC Corporation
Inventor： Chadi KHIRALLAH , Yuhua CHEN , Sadafuku HAYASHI
Abstract: The present invention provides methods and associated apparatus that address or at least alleviate the issues of a user equipment (UE) context when the UE moves from one geographical area to another geographical area. A communication system (1) is disclosed that includes a non-terrestrial network portion comprising a plurality of cells each cell serving at least one coverage area. A UE (3) has a Radio Resource Control (RRC) connection in a first coverage area. When the UE (3) detects, based on location information, that it has moved to a different coverage area it releases the RRC connection based on the location of the UE (3).
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19.发明公开公开(公告)号：US20240031982A1
公开(公告)日：2024-01-25
申请号：US18481342
申请日：2023-10-05
Applicant: NEC Corporation
Inventor： Yuhua CHEN , Chadi KHIRALLAH , Neeraj GUPTA
Abstract: A communication system is disclosed in which a base station receives, from at least one further base station, information identifying at least one respective tracking area associated with at least one cell of each further base station. The base station also receives, from a core network, information identifying a registration area for a user equipment (UE). The base station defines, based on the received information identifying at least one respective tracking area and the received information identifying a registration area, a radio access network (RAN) based notification area for the UE.
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公开(公告)号：US20230318738A1
公开(公告)日：2023-10-05
申请号：US18206940
申请日：2023-06-07
Applicant: NEC Corporation
Inventor： Yuhua CHEN , Yassin Aden AWAD , Robert ARNOTT
CPC classification number: H04L1/0038 , H04W48/10 , H04W92/10 , H04L1/0072 , H04L1/0045 , H04L1/08 , H04W76/14 , H04W48/12 , H04W72/23
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.
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