公开(公告)号：US20190182723A1

公开(公告)日：2019-06-13

申请号：US16324756

申请日：2017-08-10

Applicant: NEC Corporation

Inventor： Vivek SHARMA ,  Yuhua CHEN ,  Neeraj GUPTA

IPC: H04W36/00 ,  H04W36/04 ,  H04W36/18

Abstract: A communication system comprises a plurality of cells, each cell being associated with a respective serving area of TUPF. A base station controls a communication session of a communication device via the base station and a TUPF. Mobility of the communication device between a source cell and a target cell is performed as follows: when the communication session uses a nomadic IP address and the target cell is associated with the same TUPF serving area as the source cell but the base station is unable to determine the TUPF serving area of the target cell, the base station initiates a redirection procedure rather than a handover procedure. When performing the redirection procedure, the communication connection for the communication session via the source cell is broken before the target cell has been prepared to receive communication for the communication session of the communication device.

公开(公告)号：US20170105221A1

公开(公告)日：2017-04-13

申请号：US15316927

申请日：2015-06-10

Applicant: NEC Corporation

Inventor： Jagdeep Singh AHLUWALIA ,  Kenji KAWAGUCHI ,  Neeraj GUPTA

IPC: H04W72/04 ,  H04W76/02 ,  H04W16/14

CPC classification number: H04W72/0486 ,  H04W16/14 ,  H04W72/1215 ,  H04W76/15 ,  H04W84/042 ,  H04W84/045 ,  H04W84/12 ,  H04W88/10 ,  H04W92/20 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/164 ,  Y02D70/166 ,  Y02D70/24

Abstract: A communication apparatus is disclosed, which comprises a base station module and an access point module for providing wireless connectivity to a communication network to at least one mobile communication device; an interface for coupling the base station module and the access point module for performing at least one of: a channel restriction operation; a power restriction operation; an intelligent uplink scheduling operation; a carrier frequency reselection operation; and a traffic steering operation; whereby alleviating an interference arising due to coexistence of the base station module and the access point module.

公开(公告)号：US20230403571A1

公开(公告)日：2023-12-14

申请号：US18457749

申请日：2023-08-29

Applicant: NEC CORPORATION

Inventor： Chadi KHIRALLAH ,  Yassin Aden AWAD ,  Neeraj GUPTA ,  Robert ARNOTT

IPC: H04W16/28 ,  H04W24/08 ,  H04B7/06

CPC classification number: H04W16/28 ,  H04W24/08 ,  H04B7/0695 ,  H04B7/0621 ,  H04B7/024

Abstract: A communication system is disclosed in which a base station serves a communication area, wherein the communication area is formed by a plurality of directional beams each covering a respective portion of the communication area and each having a different respective beam identifier. The base station communicates control information, for a communication device (UE), using at least one directional beam associated with that communication device (e.g., a UE-specific operational beam set).

公开(公告)号：US20210377909A1

公开(公告)日：2021-12-02

申请号：US17399689

申请日：2021-08-11

Applicant: NEC CORPORATION

Inventor： Yuhua CHEN ,  Chadi KHIRALLAH ,  Neeraj GUPTA

IPC: H04W68/00 ,  H04W4/029 ,  H04W76/27 ,  H04W8/08 ,  H04W48/16 ,  H04W60/00

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.

公开(公告)号：US20190182683A1

公开(公告)日：2019-06-13

申请号：US16324761

申请日：2017-08-10

Applicant: NEC CORPORATION

Inventor： Chadi KHIRALLAH ,  Yassin Aden AWAD ,  Neeraj GUPTA ,  Robert ARNOTT

IPC: H04W16/28 ,  H04B7/06 ,  H04W24/08

Abstract: A communication system is disclosed in which a base station serves a communication area, wherein the communication area is formed by a plurality of directional beams each covering a respective portion of the communication area and each having a different respective beam identifier. The base station communicates control information, for a communication device (UE), using at least one directional beam associated with that communication device (e.g. a UE-specific operational beam set).

公开(公告)号：US20180332466A1

公开(公告)日：2018-11-15

申请号：US15972453

申请日：2018-05-07

Applicant: NEC CORPORATION

Inventor： Suresh GANAPATHY ,  Milena FILIPOVIC ,  Neeraj GUPTA ,  Hiroaki KUWANO

IPC: H04W8/26

CPC classification number: H04W8/26 ,  H04W8/12 ,  H04W36/0055

Abstract: A communication system is described in which mobile telephones are able to roam between neighbouring home node base stations. Techniques are described for allocating U-RNTIs to mobile telephones by the home base stations or the home base station gateway. Techniques are also disclosed for target home base stations to be able to retrieve information needed to respond to a Cell Update request received from a mobile telephone.

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.

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

IPC: H04W36/08 ,  H04W36/16

CPC classification number: H04W36/08 ,  H04W36/16

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).

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

IPC: H04W68/00 ,  H04W4/029 ,  H04W76/27 ,  H04W8/08 ,  H04W48/16 ,  H04W60/00

CPC classification number: H04W68/005 ,  H04W4/029 ,  H04W76/27 ,  H04W8/08 ,  H04W48/16 ,  H04W60/00

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.

公开(公告)号：US20210345338A1

公开(公告)日：2021-11-04

申请号：US17374551

申请日：2021-07-13

Applicant: NEC CORPORATION

Inventor： Jagdeep Singh AHLUWALIA ,  Kenji KAWAGUCHI ,  Neeraj GUPTA

IPC: H04W72/04 ,  H04W16/14 ,  H04W72/12 ,  H04W88/10 ,  H04W76/15

Abstract: A communication apparatus is disclosed, which comprises a base station module and an access point module for providing wireless connectivity to a communication network to at least one mobile communication device; an interface for coupling the base station module and the access point module for performing at least one of: a channel restriction operation; a power restriction operation; an intelligent uplink scheduling operation; a carrier frequency reselection operation; and a traffic steering operation; whereby alleviating an interference arising due to coexistence of the base station module and the access point module.