-
公开(公告)号：US20230239086A1
公开(公告)日：2023-07-27
申请号：US18131103
申请日：2023-04-05
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
IPC: H04L5/00 , H04W92/20 , H04W88/10 , H04W4/00 , H04W12/04 , H04W12/03 , H04W12/041 , H04L69/14 , H04W76/27 , H04W28/02 , H04W80/02
CPC classification number: H04L5/001 , H04W92/20 , H04L5/0091 , H04W88/10 , H04L5/0098 , H04W4/00 , H04W12/04 , H04W12/03 , H04W12/041 , H04L69/14 , H04W76/27 , H04W28/0252 , H04W80/02 , H04W48/12
Abstract: A radio station (2) transmits configuration information (501) to a radio terminal (1). The configuration information (501) indicates, on a cell-by-cell basis, at least one specific cell on which the radio terminal (1) is allowed to perform at least one of data transmission and data reception on a radio bearer used for uplink transmission or downlink transmission or both via a common Packet Data Convergence Protocol (PDCP) layer (402). As a result, in a radio architecture that provides tight interworking of two different Radio Access Technologies (RATs), it is for example possible to allow an eNB to indicate, to a radio terminal (UE), a specific cell on which the UE should perform uplink transmission.
-
92.发明申请公开(公告)号：US20220338297A1
公开(公告)日：2022-10-20
申请号：US17854698
申请日：2022-06-30
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
Abstract: A radio terminal (2) controls state transitions of the radio terminal (2) among first to third RRC states. In addition, if the radio terminal (2) is in the second RRC state, if a current cell that the radio terminal (2) has camped on is different from a first cell in which a state transition from the first RRC state to the second RRC state was performed, and if the current cell satisfies a predetermined condition, the radio terminal (2) allows the radio terminal (2) to transmit data to be transmitted in the current cell by a first transmission procedure in which the radio terminal (2) transmits uplink data before entering the first RRC state.
-
公开(公告)号：US20220287137A1
公开(公告)日：2022-09-08
申请号：US17629841
申请日：2020-11-30
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
Abstract: If uplink data together with an RRC resume request message is received from a radio terminal in an RRC_INACTIVE state and a radio terminal context is not available in a first RAN node (1), the first RAN node (1) sends a second type of control message to a second RAN node (2). The second type of control message requests the radio terminal context, and is distinct from a first type of control message that is sent to the second RAN node (2) by the first RAN node (1) when an RRC resume request message not accompanied by uplink data is received. This can contribute, for example, to enabling uplink (UL) data of a radio terminal in RRC_INACTIVE to be transmitted to a core network without relocating a radio terminal context from an old RAN node to a new RAN node.
-
公开(公告)号：US20220287102A1
公开(公告)日：2022-09-08
申请号：US17629843
申请日：2020-11-30
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
Abstract: A RAN node (1) broadcasts a first initial bandwidth part (BWP) configuration via system information, and broadcasts a second initial BWP configuration via the system information or transmits it via radio terminal dedicated signaling. The first initial BWP configuration includes cell-specific common parameters of a first initial BWP of a cell, while the second initial BWP configuration includes cell-specific common parameters of a second initial BWP of the cell. The second initial BWP is not used by a first type of radio terminal, but is used by a second type of radio terminal. The bandwidth of the second initial BWP is equal to or narrower than of the first initial BWP. This allows the second type of radio terminal, which has a limited capability compared to the first type of radio terminal, to use an initial BWP suitable for its capability.
-
95.发明申请公开(公告)号：US20220263557A1
公开(公告)日：2022-08-18
申请号：US17628984
申请日：2020-06-18
Applicant: NEC Corporation
Inventor： Venkatarao GONUGUNTLA , Hisashi FUTAKI , Tetsu IKEDA , Sadafuku HAYASHI
Abstract: This present disclosure provides a mechanism to classify CSI report(s) into valid/partially valid/invalid CSI report(s) by defining a new CSI evaluation methodology. The present disclosure also introduces a new UE behaviour of sending different (valid/partially valid/invalid) type of CSI report to inform the gNB about the TCI state known status at the UE. The present disclosure also introduces an implicit or explicit signalling method to inform the type of CSI report to the gNB. The present disclosure also discloses new UE behaviour of skipping CSI reports between partially valid/invalid CSI report and valid CSI report during TCI state switching/SCell activation.
-
Patent Agency Ranking
公开(公告)号：US20220183095A1
公开(公告)日：2022-06-09
申请号：US17683648
申请日：2022-03-01
Applicant: NEC Corporation
Inventor： Sadafuku HAYASHI
Abstract: An apparatus and a method which make it possible to suppress occurrence of an unnecessary operation in a case of an SCG bearer. The apparatus includes: a communication processing unit configured to communicate with a terminal apparatus over a Master Cell Group (MCG) bearer for dual connectivity of the terminal apparatus; a request unit configured to request a secondary base station, which communicates with the terminal apparatus over a Secondary Cell Group (SCG) bearer for the dual connectivity, to report activity-related information related to an activity of the terminal apparatus in an SCG of the secondary base station; and an information acquisition unit configured to acquire the activity-related information reported by the secondary base station.
-
公开(公告)号：US20220182980A1
公开(公告)日：2022-06-09
申请号：US17442801
申请日：2019-12-19
Applicant: NEC Corporation
Inventor： Venkatarao GONUGUNTLA , Hisashi FUTAKI , Tetsu IKEDA , Sadafuku HAYASHI
Abstract: The present disclosure discloses a method for a User Equipment (UE). The method comprises: establishing a communication session with a network node for transmission of data; receiving a configuration message indicating information for one or more of transmission slots for a plurality of logical channels; setting up for transmission of data based on the received configuration message to select one or more logical channels of the plurality of logical channels; and prioritizing the selection of plurality of logical channels when the UE is indicative of initiation of transmission of data.
-
公开(公告)号：US20220086704A1
公开(公告)日：2022-03-17
申请号：US17419643
申请日：2019-10-31
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
Abstract: A secondary node (2) transmits to a radio terminal (3), via a master node (1), a first RRC message indicating an execution condition of a conditional primary cell change of a primary cell of a secondary cell group from a first cell to a second cell. In addition, the secondary node (2) receives, via the master node (1), a second RRC message that is transmitted from the radio terminal (3) in response to a satisfaction of the execution condition. This contributes to, for example, allowing the secondary node to be aware of a satisfaction of an execution condition of a conditional PSCell change where RRC signaling between the secondary node and the radio terminal is performed via the master node.
-
公开(公告)号：US20220070740A1
公开(公告)日：2022-03-03
申请号：US17420334
申请日：2019-10-31
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
Abstract: During a mobility procedure for moving a radio terminal (3) from a source cell (11) to one of candidate target cells (21-23), a target RAN node (2) transmits to the radio terminal (3), via a source RAN node (1), a first configuration common to the candidate target cells and a plurality of second configurations each associated with a respective one of the candidate target cells. The first configuration includes at least one configuration parameter for enabling the radio terminal (3) to access to one of the candidate target cells or to communicate therein. Each second configuration includes at least one configuration parameter for enabling the radio terminal (3) to access to the corresponding candidate target cell or to communicate therein. This contributes to, for example, reducing signaling overhead of an inter-RAN node interface (and an air interface) during various mobility procedures including handovers.
-
100.发明申请公开(公告)号：US20210352639A1
公开(公告)日：2021-11-11
申请号：US17383910
申请日：2021-07-23
Applicant: NEC Corporation
Inventor： Hisashi FUTAKI , Sadafuku HAYASHI
Abstract: A second RAN node (2) associated with a second RAT sends a radio resource configuration of the second RAT to a radio terminal (3) via a first RAN node (1) associated with a first RAT. The radio resource configuration explicitly or implicitly indicates at least one numerology that is included in multiple numerologies supported by the second RAT and is different from a reference numerology. It is thus, for example, possible to allow a radio terminal to be configured with a numerology of a cell served by a secondary gNB or a target gNB in Inter-RAT Dual Connectivity between E-UTRA and NR and in a handover from E-UTRA to NR.
-
-
-
-
-
-
-
-
-
Search Results
112
records
(took 0.028 seconds)
