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公开(公告)号：US20230156540A1
公开(公告)日：2023-05-18
申请号：US17917382
申请日：2021-04-09
发明人： Min Wang , Muhammad Ali Kazmi , Marco Belleschi , Iana Siomina , Jan Christoffersson , Mai-Anh Phan
CPC分类号： H04W36/00835 , H04W36/00837 , H04W76/30 , H04W74/0816 , H04W36/0079
摘要： Methods and apparatuses involve a network node (22) of a wireless communication network (10) and a wireless device (12) attempting redirection with respect to the network (10). An overall bound limits how many times or for how long the wireless device (12) attempts redirection and provides a mechanism for the wireless device (12) to extend its redirection efforts to one or more redirection targets beyond those indicated by the network (10).
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公开(公告)号：US11653241B2
公开(公告)日：2023-05-16
申请号：US17056856
申请日：2018-06-01
发明人： Badawi Yamine , Iana Siomina
CPC分类号： H04W24/10 , H04W24/08 , H04W76/27 , H04W84/042
摘要： There is provided mechanisms for reporting performance degradation in a communications system. The method is performed by a wireless device in idle mode. The method comprises detecting occurrence of performance degradation with a first radio access network node. The method comprises reporting the performance degradation as an event to a second radio access network node. The first radio access network node and the second radio access network node operate using mutually different radio access technologies and/or serve mutually different public land mobile networks.
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公开(公告)号：US11647400B2
公开(公告)日：2023-05-09
申请号：US17372950
申请日：2021-07-12
发明人： Muhammad Kazmi , Iana Siomina , Santhan Thangarasa
IPC分类号： H04W24/10 , H04W16/26 , H04B17/336 , H04W4/70
CPC分类号： H04W16/26 , H04B17/336 , H04W4/70 , H04W24/10
摘要： A method in a wireless device includes receiving, from a network node, an indication of a current coverage enhancement, CE, mode of the wireless device with respect to a first cell. The method also includes determining an estimated signal quality of the wireless device with resect to the first cell and if the current CE mode is a normal CE mode and the estimated signal quality of the wireless device with respect to the first cell is one of greater than and equal to a lower threshold and less than an upper threshold, adapting at least one requirement to meet enhanced CE mode requirements corresponding to an enhanced CE mode.
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64.发明申请公开(公告)号：US20230115591A1
公开(公告)日：2023-04-13
申请号：US17922643
申请日：2020-05-20
发明人： Badawi Yamine , Iana Siomina
摘要： A method performed by abase station for handling network degradation in a wireless communications network is provided. The base station receives (201, IS1) from a first UE experiencing a network degradation, a determined type of the network degradation together with an estimated first Timing Advance, TA1, value. Based on the received TA1 value, the base station calculates (202, 1) a location, location X, associated with the network degradation. When a first location, location L1, of a second UE is at a distance from the location X that is below a second threshold, the base station decides (204, 2) a first decision to perform an action to restrain degrading influence from the location X. The first decision is based on the determined type of the network degradation. The base station sends (205, 2) to the second UE, the first decision to perform an action to restrain degrading influence from the location X.
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公开(公告)号：US20220408337A1
公开(公告)日：2022-12-22
申请号：US17774396
申请日：2020-11-05
发明人： Muhammad Kazmi , Iana Siomina
摘要： A method performed by a UE (102) that is being served by at least a first cell. The method includes the UE performing a multi round-trip-time, multi-RTT, positioning measurement (e.g., a UE Rx-Tx measurement), wherein the UE is configured with SRS for the measurement with respect to a second cell. The method also includes the UE detecting a need to change a serving cell. The method further includes, as a result of detecting the need to change a serving cell, the UE deciding whether to restart or continue performing the multi-RTT measurement. The UE is configured such that the UE continues the multi-RTT measurement if the serving cell change is for a cell different than the second cell in which the UE is configured with the SRS for the measurement.)
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公开(公告)号：US20220353696A1
公开(公告)日：2022-11-03
申请号：US17624142
申请日：2020-07-06
发明人： Ritesh Shreevastav , Iana Siomina
摘要： A network node (18) transmits, to a wireless device (12), assistance data (20) that indicates a search window (26) which is associated with a beamforming configuration. The search window (26) associated with the beamforming configuration may be a window within which a result (28) of a positioning measurement performed by the wireless device (12) on a positioning signal (20A) is expected to be for the associated beamforming configuration. The wireless device (12) may check whether a result (28) of the performed positioning measurement falls within the indicated search window (26), and deem the result (28) valid or invalid depending respectively on whether or not the result (28) falls within the indicated search window (26) according to that checking.
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公开(公告)号：US11470492B2
公开(公告)日：2022-10-11
申请号：US16972746
申请日：2018-06-21
发明人： Badawi Yamine , Iana Siomina
IPC分类号： H04B17/309 , H04B17/373 , H04B17/382 , H04W24/02 , H04W24/08 , H04W24/10 , H04W28/02 , H04W48/06 , H04W48/10 , H04W48/16 , H04W84/02 , H04W88/02 , H04W88/08 , H04W92/02 , H04W92/10
摘要： There is provided mechanisms for handling reporting of performance degradation from wireless devices in a communications system. A method is performed by a network node in the communications system. The method includes determining a configuration for real time reporting of events from wireless devices in idle mode. The events pertain to performance degradation experienced by the wireless devices when in idle mode. The configuration includes restrictions in terms of real time reporting of the events to the network node. The method includes providing information of the configuration to the wireless devices.
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公开(公告)号：US11375482B2
公开(公告)日：2022-06-28
申请号：US16766576
申请日：2019-02-15
摘要： Methods and systems for signaling Supplementary Activity Configuration (SAC) for lean carrier operation are provided. According to one aspect, a method performed by a wireless device for lean carrier operation during which Cell-specific Reference Signals (CRSs) are transmitted by a base station using a reduced bandwidth during an inactive time of a Discontinuous Reception (DRX) mode of operation excluding a Warm Up (WU) period that occurs immediately before a DRX active time and a Cool Down (CD) period that occurs immediately after a DRX active time, comprises: determining a number M of subframes to comprise a WU period; determining a number N of subframes to comprise a CD period; and transmitting an indication of the determined numbers M and N to a base station currently serving the wireless device.
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公开(公告)号：US20220191816A1
公开(公告)日：2022-06-16
申请号：US17593345
申请日：2019-03-19
发明人： Torbjörn Wigren , Sholeh Yasini , Iana Siomina
IPC分类号： H04W64/00 , H04L43/0864 , H04L43/106 , H04W24/08
摘要： A method for state estimation of a UE connected to a wireless communication network, comprising obtaining (S1) of measurement information related to a 5 range-related measurement concerning a UE. The measurement information comprises data of the range-related measurement, a time at which the range-related measurement was performed, an identity of the UE and data enabling determination of a measuring position. The range-related measurement consists of data defining a distance between the UE and the measuring 10 position. A state estimation of the UE is performed (S2) based on the measurement information. Methods for propagating the measurement information through the network are also disclosed as well as network nodes performing such method. 15
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公开(公告)号：US20220183055A1
公开(公告)日：2022-06-09
申请号：US17598425
申请日：2020-03-27
发明人： Johan Rune , Min Wang , Iana Siomina
摘要： According to some embodiments, a method performed by a wireless device for detecting a downlink radio failure comprises: establishing a wireless connection with a network node using unlicensed radio spectrum; receiving an indication that the network node incurred a clear channel assessment (CCA) failure in a prior attempt to communicate with the wireless device; and in response to the indication of the CCA failure, determining whether to trigger a radio failure condition.
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