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公开(公告)号：US10798704B2
公开(公告)日：2020-10-06
申请号：US15964010
申请日：2018-04-26
发明人： Sony Akkarakaran , Tao Luo , Xiao Feng Wang , Makesh Pravin John Wilson , Sumeeth Nagaraja , Kaushik Chakraborty , Wooseok Nam , Shengbo Chen
摘要： Methods, systems, and devices for wireless communication are described. The described techniques provide for configuration and transmission of reference signals over aggregated mini-slots by modifying (e.g., extending) transmission time intervals (TTIs) or sharing reference signals across multiple mini-slots. The reference signals may be shared between multiple aggregated mini-slots and a reference signal pattern may be determined based on data payload allocation, modulation coding scheme (MCS), rank, or other factors of the aggregated mini-slots. Data payloads may be scheduled jointly or separately for each mini-slot and may be allocated across a set of aggregated mini-slots.
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公开(公告)号：US10756784B2
公开(公告)日：2020-08-25
申请号：US16257652
申请日：2019-01-25
发明人： Yan Zhou , Tao Luo , Makesh Pravin John Wilson , Sony Akkarakaran , Xiao Feng Wang , Wooseok Nam
IPC分类号： H04B7/0408 , H04B7/06 , H04W74/08 , H04B17/309 , H04L1/16
摘要： A user equipment (UE) may measure signal characteristics of a beam reference signal and determine, based on the measured signal characteristics, a beam repetition and diversity (R/D) mode to be used in communications between the UE and a base station. In some examples, UE feedback to the base station may include an indication of the determined beam R/D mode, as well as channel quality information associated with one or more beams to which the determined beam R/D mode is to be applied and/or operating parameters (e.g., a mixed beam repetition and diversity pattern) associated with the beam R/D mode.
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公开(公告)号：US20200229112A1
公开(公告)日：2020-07-16
申请号：US16738993
申请日：2020-01-09
摘要： Methods, systems, and devices for wireless communications that support power control in full duplex communication are described. In some wireless communications systems, a user equipment (UE) may experience antenna isolation for communication of downlink and uplink data traffic. Based on the antenna isolation, the UE may realize an increased channel capacity for full-duplex communication. As part of the full-duplex communication, the UE may identify characteristics of a potential downlink signal on formatted slots of the channel. The UE may determine an uplink transmit power control configured to account for the characteristics. The determination may include a configured transmit power control for beamformed signaling at the UE, and may be based on signal reception quality for potential downlink transmissions. Based on the determination, the UE may either perform uplink transmission on a resource block allocation of the formatted slots or forgo uplink transmission.
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44.发明授权公开(公告)号：US10681725B2
公开(公告)日：2020-06-09
申请号：US16004179
申请日：2018-06-08
发明人： Kaushik Chakraborty , Tao Luo , Sumeeth Nagaraja , Keiichi Kubota , Makesh Pravin John Wilson , Juan Montojo , Xiao Feng Wang , Sony Akkarakaran , Wooseok Nam
摘要： Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine that a signal characteristic of a unicast signal is better than a signal characteristic of a broadcast signal; and/or transmit, based at least in part on the determination, a request for an update to a master information block or a minimum system information block to be provided to the user equipment using the unicast signal. In some aspects, a base station may determine that a signal characteristic of a unicast signal associated with a user equipment (UE) is better than a signal characteristic of a broadcast signal broadcasted by the base station; and/or transmit, based on the determination, an update to a master information block (MIB) or a minimum system information block (MSIB) to the UE using the unicast signal. Numerous other aspects are provided.
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公开(公告)号：US10651917B2
公开(公告)日：2020-05-12
申请号：US16244306
申请日：2019-01-10
发明人： Makesh Pravin John Wilson , Tao Luo , Heechoon Lee
摘要： Transmission configuration indication (TCI) states may be used to indicate beam switching for data beams and/or control beams. A total set of TCI states may be divided into subsets of TCI states. TCI states conveyed via downlink control information (DCI) may thus act as beam switching indications depending on which subset a conveyed TCI state resides. A base station may transmit an indication that such DCI based control beam switching is enabled. Based on whether TCI state (e.g., included in DCI) belongs to a first subset of TCI states or a second subset of TCI states, a wireless device (e.g., that receives the DCI) may trigger a beam switching operation. Beam switching operations may include data beam switching or both data beam switching and control beam switching. The UE may then receive a downlink control channel and a downlink data channel based on the triggered beam switching operation.
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46.发明授权公开(公告)号：US10574329B2
公开(公告)日：2020-02-25
申请号：US16047842
申请日：2018-07-27
发明人： Sumeeth Nagaraja , Tao Luo , Wooseok Nam , Xiao Feng Wang , Makesh Pravin John Wilson , Kaushik Chakraborty , Juan Montojo , Shengbo Chen
IPC分类号： H04W76/19 , H04B7/08 , H04B17/17 , H04B17/309 , H04B7/06 , H04B7/0417 , H04W24/08 , H04W72/04
摘要： In an aspect, a scheduled entity obtains a first set of indications associated with a beam failure recovery procedure, starts at least one of a first timer or a second timer based on the obtained first set of indications, and detects a radio link failure when the first timer expires or when the second timer expires. In some aspects, the scheduled entity starts at least one of the first timer or the second timer when N out-of-sync indications are obtained over a network configured time window, the N out-of-sync indications including aperiodic out-of-sync indications from the first set of indications and out-of-sync indications associated with a radio link monitoring procedure. In some aspects, the scheduled entity starts at least the second timer when the first set of indications includes a single aperiodic out-of-sync indication.
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公开(公告)号：US10554470B2
公开(公告)日：2020-02-04
申请号：US16218737
申请日：2018-12-13
IPC分类号： H04L27/26
摘要： Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be in communication with multiple base stations having a non-ideal backhaul link, where uplink and downlink transmission on a carrier may be sent on respective communication links. The transmissions may be synchronous or asynchronous, and the UE may identify a set of search candidates in overlapping TTIs associated with downlink transmissions from respective base stations. In some cases, a number or a timing of the set of search candidates may be based on the overlapping TTIs. The UE may also use different uplink transmit powers for transmissions on the different communication links. In some cases, a minimum reserved power may be used for each link where a remaining transmit power, for example, up to a maximum total transmit power, may be split between the links or applied to the uplink transmission that occurs temporally first.
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公开(公告)号：US10523281B2
公开(公告)日：2019-12-31
申请号：US15377897
申请日：2016-12-13
IPC分类号： H04W4/00 , H04B7/0408 , H04B17/318 , H04B7/06 , H04W88/02 , H04W88/08
摘要： Some aspects of the present disclosure provide systems and methods for utilizing information from inbuilt sensors of a wireless apparatus along with radio frequency (RF) measurements to assist and/or trigger a beam tracking operation. Some aspects of the present disclosure provide systems and methods for utilizing information available from inbuilt sensors of a wireless apparatus and RF measurements along with historical mobility information to assist a mobility operation such as an initial beam search, a neighbor beam search, and handovers.
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公开(公告)号：US10517002B2
公开(公告)日：2019-12-24
申请号：US16037881
申请日：2018-07-17
发明人： Sumeeth Nagaraja , Tao Luo , Makesh Pravin John Wilson , Sony Akkarakaran , Juan Montojo , Shengbo Chen , Keiichi Kubota
摘要： Certain aspects of the present disclosure provide techniques for identifying a mismatch between a user's common search space (CSS) and user-specific search space (USS). A base station (BS) may receive an indication that a user equipment (UE) decoded at least one beamformed signal transmitted by the BS in a USS and did not decode at least one beamformed signal transmitted by the BS in a CSS. The BS may take one or more actions based, at least in part, on the indication. Similarly, a UE may decode at least one beamformed signal transmitted by a BS in a USS, transmit to the BS an indication that the UE decoded the at least one beamformed signal transmitted in the USS and did not decode at least one beamformed signal transmitted by the BS in a CSS, and take one or more actions based, at least in part, on the indication.
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50.发明授权公开(公告)号：US10484102B2
公开(公告)日：2019-11-19
申请号：US15492982
申请日：2017-04-20
发明人： Kaushik Chakraborty , Tao Luo , Andrzej Partyka , Sumeeth Nagaraja , Sony Akkarakaran , Makesh Pravin John Wilson , Aitzaz Ahmad
IPC分类号： H04L5/00 , H04W24/08 , H04B15/00 , H04B17/318 , H04W72/04 , H04W72/08 , H04W24/02 , H04W52/02 , H04L25/02 , H04L1/00 , H04W52/32
摘要： An apparatus capable of self-calibration in a low-interference environment is desired. In an aspect, the apparatus may be a user equipment (UE) or a neighboring base station. The device receives, from a base station, a self-calibration notification indicating one or more resources allocated for a self-calibration of the base station. The device performs, in response to the self-calibration notification, at least one of deactivating at least one component of the device based on the one or more allocated resources or adjusting utilization of the one or more allocated resources allocated for the self-calibration of the base station.
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