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公开(公告)号：US20220150880A1
公开(公告)日：2022-05-12
申请号：US17452222
申请日：2021-10-25
发明人： Keiichi KUBOTA , Tao LUO , Alexandros MANOLAKOS , Wooseok NAM , Sumit VERMA , Peter GAAL
摘要： Wireless communications systems and methods related to signaling of direct current (DC) locations of user equipment devices (UEs) in a new radio (NR) network are provided. A wireless communication device receives, from a base station, at least one of a carrier aggregation (CA) configuration or a bandwidth part (BWP) configuration. The wireless communication device determines a direct current (DC) location based on at least one of the CA configuration or the BWP configuration. The wireless communication device transmits, to the base station, a report based on the determined DC location. The wireless communication device communicates, with the base station, a phase tracking reference signal (PTRS) configured based on the report.
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32.发明申请公开(公告)号：US20220141087A1
公开(公告)日：2022-05-05
申请号：US17531650
申请日：2021-11-19
发明人： Yu-Ting YU , Gavin Bernard HORN , Anurag VARDHAN , Rotem COOPER , Aziz GHOLMIEH , Keiichi KUBOTA
摘要： Some aspects provide for establishing a radio connection for the wireless communication, determining a configuration for whether to segment one or more packets for the wireless communication using the established radio connection, and communicating the one or more packets based on the determined configuration. Some aspects provide for assembling a first frame comprising one or more packets, transmitting the first frame, determining whether a portion of one or more packets was truncated during the assembling of the first frame, and transmitting a second frame comprising at least the truncated portion of the one or more packets of the first frame. Some aspects provide for receiving a first frame comprising one or more packets, determining that a portion of one or more packets is truncated, and determining whether to ignore as padding at least the truncated portion of the one or more packets of the first frame.
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公开(公告)号：US20190281440A1
公开(公告)日：2019-09-12
申请号：US16420695
申请日：2019-05-23
发明人： Hung Dinh LY , Heechoon LEE , Haitong SUN , Tingfang JI , Wanshi CHEN , Keiichi KUBOTA
摘要： Various aspects described herein relate to techniques for mobility mode selection in uplink-based and downlink-based mobility in wireless communications systems. In an aspect, a method for wireless communications may include determining that a user equipment (UE) is operating in a first mobility mode, determining whether the UE satisfies at least one condition associated with mobility of the UE for mobility mode selection, and selecting a second mobility mode based on a determination that the UE satisfies the at least one condition, wherein each of the first mobility mode and the second mobility mode is an uplink mobility mode or a downlink mobility mode. The techniques described herein may apply to different communications technologies, including the 5th Generation (5G) New Radio (NR) communications technology.
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公开(公告)号：US20180288604A1
公开(公告)日：2018-10-04
申请号：US16001527
申请日：2018-06-06
发明人： Hung LY , Heechoon LEE , Haitong SUN , Tingfang JI , Wanshi CHEN , Keiichi KUBOTA
CPC分类号： H04W8/08 , H04L43/16 , H04W36/0061 , H04W36/0088 , H04W36/32 , H04W64/003 , H04W64/006 , H04W68/02 , H04W76/27
摘要： Various aspects described herein relate to techniques for mobility mode selection in uplink-based and downlink-based mobility in wireless communications systems. In an aspect, a method for wireless communications may include determining that a user equipment (UE) is operating in a first mobility mode, determining whether the UE satisfies at least one condition associated with mobility of the UE for mobility mode selection, and selecting a second mobility mode based on a determination that the UE satisfies the at least one condition, wherein each of the first mobility mode and the second mobility mode is an uplink mobility mode or a downlink mobility mode. The techniques described herein may apply to different communications technologies, including the 5th Generation (5G) New Radio (NR) communications technology.
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公开(公告)号：US20180227851A1
公开(公告)日：2018-08-09
申请号：US15887876
申请日：2018-02-02
摘要： Certain aspects of the present disclosure relate to methods and apparatus for optimizing delivery of a data to and/or from a UE in a connected but inactive state.
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公开(公告)号：US20180049083A1
公开(公告)日：2018-02-15
申请号：US15675583
申请日：2017-08-11
发明人： Keiichi KUBOTA , Gavin Bernard HORN , Aziz GHOLMIEH , Soo Bum LEE , Ozcan OZTURK , Ajay GUPTA
摘要： The apparatus for wireless communication includes a processing system. The processing system is configured to establish a first radio link with a master base station, establish a second radio link with a first cell associated with a secondary base station, wherein the second radio link comprises a SRB, and receiving a RRC connection reconfiguration signal from the second radio link SRB to establish the second radio link with a second cell.
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公开(公告)号：US20180014218A1
公开(公告)日：2018-01-11
申请号：US15395194
申请日：2016-12-30
发明人： Keiichi KUBOTA , Sumeeth NAGARAJA , Tao LUO , Gavin Bernard HORN , Haitong SUN , Ravi AGARWAL
CPC分类号： H04W24/10 , H04W36/0061 , H04W36/0088 , H04W48/00 , H04W56/001
摘要： Certain aspects of the present disclosure provide procedures for new radio (NR) cell measurement. According to certain aspects, a method of wireless communication by a user equipment (UE) is provided. The method generally includes receiving one or more downlink signals from a cell, wherein the cell is of a first cell type that supports a first set of functions or a second cell type that supports a second set of functions, wherein the second set of functions is different than the first set of functions; determining a cell type of the cell based on the one or more downlink signals; and communicating with the cell based on the determination.
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公开(公告)号：US20170325157A1
公开(公告)日：2017-11-09
申请号：US15480692
申请日：2017-04-06
发明人： Hung LY , Keiichi KUBOTA
CPC分类号： H04W48/14 , H04W4/70 , H04W48/12 , H04W74/004 , H04W88/02
摘要： Aspects of the present disclosure provide a scalable SIB bitmap structure. As described herein, a UE may generate and transmit, to an access network, a dual-layer system information block (SIB) request, wherein a first layer indicates a SIB category and a second layer indicates one or more groups within the SIB category. A base station in an access network may receive, from a UE, the dual-layer SIB request. The scalable, efficient bitmap structure may be shared by the UE and access network, thereby enabling SIB-on-Demand requests by the UE and responses to SIB-on-Demand requests by the access network.
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39.发明申请公开(公告)号：US20170230875A1
公开(公告)日：2017-08-10
申请号：US15258555
申请日：2016-09-07
摘要： Aspects of the present disclosure provide methods and apparatus for transmitting an uplink reference signal, receiving a keep alive (KA) command based, at least in part, on the uplink reference signal, and taking one or more actions to perform a handover to a non-serving base station (BS) in accordance with the KA command. Additionally, aspects provide methods and apparatus for receiving an uplink reference signal from a user equipment (UE), measuring the uplink reference signal, and transmitting a KA command to the UE based, at least in part, on the measured uplink reference signal. The KA command may be scrambled by an identifier associated with the UE. Additionally or alternatively, a cyclic prefix (CP) of the uplink reference signal may be longer than a CP of another type of reference signal.
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公开(公告)号：US20200351256A1
公开(公告)日：2020-11-05
申请号：US16936347
申请日：2020-07-22
摘要： Certain aspects of the present disclosure provide techniques for managing security keys for enciphering and deciphering packets transmitted in a wireless communications system. According to certain aspects, a method of wireless communication by a user equipment (UE) is provided. The method generally includes obtaining an indication of a key area identifier (ID) of a first cell node, wherein the key area ID identifies a set of cell nodes that are associated with a network node that uses a first key for enciphering or deciphering messages and communicating a first set of messages with the first cell node using the first key for enciphering or deciphering the first set of messages.
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