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公开(公告)号：US20200187220A1
公开(公告)日：2020-06-11
申请号：US16637117
申请日：2018-08-08
发明人： FANGYING XIAO , RENMAO LIU , SHOHEI YAMADA
摘要： The present disclosure provides a method used in a base station, comprising: sending indication information to user equipment (UE), the indication information indicating a correspondence between multiple logical channels or bearers and multiple scheduling request (SR) configurations, wherein each logical channel or bearer is associated with a subcarrier spacing (SCS) and/or transmission time interval (TTI).
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公开(公告)号：US20200059340A1
公开(公告)日：2020-02-20
申请号：US16343925
申请日：2017-11-02
发明人： FANGYING XIAO , SHOHEI YAMADA , RENMAO LIU
摘要： The present disclosure provides a method for obtaining supplementary system information, and a corresponding user equipment and a base station. A method in the user equipment according to the present invention comprises: sending a leader sequence to a base station to request supplementary system information; and receiving a reply message from the base station in response to sending of the leader sequence.
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公开(公告)号：US20200037382A1
公开(公告)日：2020-01-30
申请号：US16337340
申请日：2017-08-15
发明人： FANGYING XIAO , RENMAO LIU , SHOHEI YAMADA
摘要： The present application provides a method for establishing/reconfiguring a data hearer, comprising: receiving a request message for data bearer establishment/reconfiguration, wherein the request message comprises a data bearer identity used to identify a data bearer and a bearer type indication cell used to indicate a type of a to-be-established/reconfigured data bearer; and establishing/reconfiguring a corresponding data hearer according to the request message. The present application further provides user equipment and a base station for establishing/reconfiguring a data bearer.
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公开(公告)号：US20220191949A1
公开(公告)日：2022-06-16
申请号：US17598458
申请日：2020-03-26
发明人： CHONGMING ZHANG , RENMAO LIU , SHOHEI YAMADA
摘要： A random access method and a user equipment are provided. The random access method includes: transmitting a message A to a base station, the message A includes a preamble and a message A payload; and after completing transmission of the message A, receiving a message B from the base station as a response message to the message A, the preamble is transmitted on a Physical Random Access Channel (PRACH); the message A payload is included in a Medium Access Control (MAC) Protocol Data Unit (PDU), and is transmitted on a Physical Uplink Shared Channel (PUSCH); and obtaining, from a multiplexing and assembly entity, the MAC PDU used for transmission, and storing the MAC PDU in a buffer when determining that a transmission occasion is available for the message A.
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公开(公告)号：US20220030616A1
公开(公告)日：2022-01-27
申请号：US17311463
申请日：2019-12-09
发明人： FANGYING XIAO , RENMAO LIU
摘要： Provided in the present invention are user equipment and a method thereof, and a base station and a method thereof. The method in user equipment comprises: receiving from a base station a radio resource control (RRC) message comprising PDCP duplication configuration information of a bearer; and performing, by means of the user equipment, activation configuration of PDCP duplication on the basis of the PDCP duplication configuration information of the bearer.
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公开(公告)号：US20210297931A1
公开(公告)日：2021-09-23
申请号：US17264770
申请日：2019-07-23
发明人： CHONGMING ZHANG , RENMAO LIU , SHOHEI YAMADA
摘要： Provided by the present disclosure are an access control method in a user equipment and the user equipment, which may flexibly control the activation and deactivation of PDCP duplication and the activation and deactivation of a serving cell restriction. The access control method comprises: receiving configuration information related to a data radio bearer (DRB); receiving a media access control element (MAC CE) indicating the activation/deactivation of a packet data convergence protocol layer (PDCP) duplication function of the DRB; when the MAC CE indicates the deactivation of the PDCP duplication function, determining whether the configuration information comprises indication information, the indication information indicating a restriction relationship between a logical channel associated with the DRB and a serving cell which is allowed to be used; and determining a serving cell used for the logical channel according to the result of the determination.
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公开(公告)号：US20210266818A1
公开(公告)日：2021-08-26
申请号：US17253247
申请日：2019-05-31
发明人： CHONGMING ZHANG , RENMAO LIU
摘要： The present invention provides an access control method in user equipment and user equipment. The present invention is capable of avoiding meaningless connection requests of RNAU, so as to improve the utilization efficiency of communication resources. The access control method in user equipment includes: if a result of access control check indicates that access is barred, then starting an access barring timer; and if it is considered that the access barring timer is in a non-running state, then determining, according to at least one of conditions, whether to trigger RAN Notification Area Updating (RNAU), where the conditions are as follows: whether a current connected state of the UE is an inactive state; whether an RNAU timer started when the UE enters the inactive state is in an running state; whether a cell in which the UE currently resides belongs to a RAN Notification Area (RNA).
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公开(公告)号：US20210136826A1
公开(公告)日：2021-05-06
申请号：US17043958
申请日：2019-04-02
发明人： NINGJUAN CHANG , CHAO LUO , RENMAO LIU
摘要： A method executed by a user equipment is provided. The method executed by the user equipment includes: acquiring a coverage enhancement level of the user equipment; determining a selection probability of an anchor carrier physical random access channel (PRACH) resource for early data transmission (EDT) based on the coverage enhancement level; determining a selection probability of a non-anchor carrier PRACH resource for EDT based on the selection probability of the anchor carrier PRACH resource for EDT and a number of non-anchor carrier PRACH resources for EDT; randomly selecting a PRACH resource used for transmitting a random access preamble by using the determined selection probability of the anchor carrier PRACH resource for EDT and the determined selection probability of the non-anchor carrier PRACH resource for EDT; and transmitting the random access preamble to a base station by using the selected PRACH resource.
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9.发明申请公开(公告)号：US20210136824A1
公开(公告)日：2021-05-06
申请号：US16632490
申请日：2018-07-23
发明人： CHONGMING ZHANG , SHOHEI YAMADA , RENMAO LIU
摘要： The present disclosure provides a method executed at UE, comprising: receiving, from a base station, information carrying direct or indirect associations between preamble sequences and system information blocks (SIBs); selecting a corresponding preamble sequence based on one or a plurality of required SIBs and the received associations according to at least one of the following criteria: selecting a single preamble sequence associated with the greatest number of required SIBs; selecting a single preamble sequence associated with the fewest number of not-required SIBs; selecting one or a plurality of preamble sequences associated with the one or plurality of required SIBs having the fewest total number; and selecting, according to a priority of the one or plurality of required SIBs, different preamble sequences respectively associated with required SIBs of different priorities; and transmitting the selected preamble sequences to the base station so as to send a request to the base station for the one or plurality of required SIBs. The present disclosure further provides corresponding UE and a computer-readable medium.
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公开(公告)号：US20210112617A1
公开(公告)日：2021-04-15
申请号：US16496087
申请日：2018-03-20
发明人： CHONGMING ZHANG , RENMAO LIU
摘要： The present disclosure provides a method used in user equipment (UE), the user equipment being provided with one or more signaling radio bearers (SRBs) comprising a master cell group (MCG) split SRB and/or one or more secondary cell group (SCG) SRBs, and the method comprising: detecting a radio link failure between the UE and an MCG base station; determining, in the configured one or more SRBs, one or more SRBs for transmitting a message related to the radio link failure; and transmitting the message by means of the determined one or more SRBs.
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