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公开(公告)号：US20220408406A1
公开(公告)日：2022-12-22
申请号：US17777316
申请日：2020-11-18
发明人： Volker BREUER , Ly-Thanh PHAN , Benoît JOUFFREY
IPC分类号： H04W68/02
摘要： Provided is a method to operate a user equipment communicatively connected to at least two subscriber identity modules, which are at least assigned to a first and a cellular network, wherein the user equipment has assigned an independent paging identity in each of the first and second cellular networks for registration in said cellular networks. Other embodiments disclosed.
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公开(公告)号：US20210352538A1
公开(公告)日：2021-11-11
申请号：US17286842
申请日：2019-10-28
发明人： Volker BREUER , Uwe DUMMANN
摘要： A method for operating a user equipment in a cellular network, the cellular network comprising a plurality of base stations, wherein at least one base station is configured to maintain neighbor relation data, wherein the user equipment is operating with an active base station in narrowband communication category, the method including, for the user equipment—receiving from the active base station a measurement instruction message, the measurement instruction message containing at least one restriction parameter relating to at least one of a reporting time indication and a minimum power level indicator,—receiving a connection release message,—measuring signals from at least one neighbor base station considering the at least one restriction parameter, and, on occasion of a reconnection—transmitting at least one neighbor measurement report to the active base station.
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公开(公告)号：US20220248308A1
公开(公告)日：2022-08-04
申请号：US17612633
申请日：2020-04-17
发明人： Dong CHEN , Volker BREUER , Xu ZHU
摘要： Provided is a method to operate a user equipment operating in a cellular network different from the user equipment's home cellular network, the user equipment being configured to carry out, following a periodic home network scan cycle, a measurement attempt to the home cellular network, the user equipment operating in a reduced activity mode, comprising reduced measurement activity time periods, comprising the step of comparing the periodic home network scan cycle with the reduced activity mode's reduced measurement activity time period, in case the periodic home network scan cycle is shorter than the reduced measurement activity time period, amending the periodic home network scan cycle.
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公开(公告)号：US20200275364A1
公开(公告)日：2020-08-27
申请号：US16762352
申请日：2018-10-24
发明人： Volker BREUER , Lars WEHMEIER
摘要： The present invention relates to a method for a user equipment operating in a cellular network comprising a plurality of base stations providing different network services, at least one of the base stations being configured to signal the supported network services to at least one camping user equipment, whereby the user equipment maintains a list of network services it is configured to receive, for selection of one of the base stations by the user equipment for camping the method comprising the steps of: determining the next expected service out of the list of network services, based on at least one operating parameter of the user equipment, evaluating the signals received from at least two base stations with respect to the supported network services of the respective base stations, selecting the base station by considering the support of the next expected service.
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公开(公告)号：US20240298249A1
公开(公告)日：2024-09-05
申请号：US18278417
申请日：2022-02-22
发明人： Volker BREUER
摘要： The present invention relates to a method to regulate access of a device of reduced capability type, designated as reduced capability device (RCD), having specific hardware and configuration characteristics and adapted to connect, via an operator, to a new radio communication network comprising several tracking areas having cells (TAC1) on different frequency bands (f1,f2). According to the invention, the access regulation is managed by the reduced capability device (RCD) itself after determination of access restrictions on the basis of prerequisites in terms of hardware and configuration characteristics, frequency ranges (f1,f2) present in this tracking area and services requested received from the tracking area cell (TAC1) during an access routine.
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6.发明公开公开(公告)号：US20240107290A1
公开(公告)日：2024-03-28
申请号：US18255759
申请日：2021-11-30
发明人： Volker BREUER , Lars WEHMEIER
摘要： A user equipment device for use in a cellular radio communication system, comprising a radio frequency, herein RF, front end, which is configured for RF communication with a base station node of the cellular radio communication system, a communication controller, which is configured to control operation of the RF front end wherein the communication controller is configured to establish an operative signalling connection with a first subscriber identity module, herein SIM, which comprises first subscriber identity information associated with a first subscriber identity, herein first identity to establish an operative signalling connection with a second SIM, which comprises second subscriber identity information associated with a second subscriber identity, herein second identity, that is different from the first identity upon establishing the operative signalling connection with the second SIM, to establish an instance of a protocol stack and to provide to the base station node identity-bundling capability information that is indicative of a shared communication capability provided by the user equipment device via the RF front end and associated with the first identity and with the second identity to subsequently control shared use of the RF front end and shared use of the established instance of the protocol stack in establishing, maintaining and terminating respective radio bearers associated with the first identity and with the second identity, respectively, via the base station node.
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公开(公告)号：US20220191901A1
公开(公告)日：2022-06-16
申请号：US17441739
申请日：2020-03-24
发明人： Volker BREUER , Osaid KHALIQ
摘要： Herein provided is a method for operating a base station of a cellular network. The base station serves user equipment camping thereon, or connected thereto, and agrees with the user equipment to a periodic dedicated prescheduled uplink transmission schedule. Upon determining that an uplink occasion of that schedule is missed by the user equipment, the user equipment is considered as unavailable for communicating at said uplink occasion in relation with the base station. If it is considered unavailable, it instead maintains a presently active dedicated prescheduled uplink transmission schedule. Otherwise it cancels the presently active dedicated prescheduled uplink transmission schedule. Other embodiments are disclosed.
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公开(公告)号：US20220069936A1
公开(公告)日：2022-03-03
申请号：US17415230
申请日：2019-12-13
发明人： Volker BREUER , Bernd RÖHL
IPC分类号： H04K3/00 , H04W12/122
摘要： A method for a user equipment operating in a cellular network having a plurality of base stations, the user equipment operating on at least one of the base stations, hereinafter the serving base station, for the case of a communication loss to its serving base station, whereby the conditions relating to the serving base station or the corresponding frequency fulfills the criteria concerning jamming. The method includes the steps of: scanning for accessible base stations of the cellular network, examining the at least one base station being identified through the scanning step, by means of signalling message, evaluating the response behavior of the at least one base station, wherein in consideration of the response behavior of at least one of said base station if said base station is rated as suspicious: indicating a jamming situation, otherwise camping on at least one of the base stations.
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公开(公告)号：US20210250803A1
公开(公告)日：2021-08-12
申请号：US17254563
申请日：2019-06-24
发明人： Volker BREUER , Lars WEHMEIER
摘要： A method for selection of a network slice by a user equipment operating in a cellular network includes the steps of: receiving, from at least one of a plurality of base stations, a signalling indicating a set of quality of service values supported by at least one of the base stations, determining at least one supported network service for respective base stations, prioritizing the base stations by means of said determined supported network service in consideration of at least one out of the list of preferred network services, selecting one of the base stations considering said prioritization of frequencies, and to set up a preferred network service: sending a network slice selection message indicating a quality of service value relating to the network service, sending an attach request via the serving base station to the network mobility unit.
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公开(公告)号：US20230319749A1
公开(公告)日：2023-10-05
申请号：US18043073
申请日：2021-08-24
发明人： Volker BREUER , Joel DEMARTY
CPC分类号： H04W56/002 , H04J11/0073 , H04W56/0015
摘要： The present invention relates to determine a common application time-base for different positionally fixed wireless stations, which perform a timing application in different unsynchronized radio-access-network cells, a method comprises providing to the wireless stations a timing-report instruction. It instructs the wireless stations to perform a cell-search procedure and to determine a respective set of time synchronization information retrieved from any detected base station with reference to its respective time base. If more than one set of time synchronization information from a corresponding number of detected base stations has been retrieved, the wireless stations provides timing synchronization data indicative of the retrieved sets of time synchronization information from the detected base stations. An application server receives the at least one timing report and determines a common application time-base for the different detected base stations, using the different sets of timing synchronization data provided.
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