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公开(公告)号：US20190124594A1
公开(公告)日：2019-04-25
申请号：US16222292
申请日：2018-12-17
Applicant: APPLE INC.
Inventor： Beibei Wang , Zhu JI , Johnson O. Sebeni
IPC: H04W52/02 , H04W40/00 , H04L12/26 , H04J11/00 , H04L5/00 , H04W72/14 , H04L1/18 , H04W72/04 , H04W76/28 , H04W74/08
Abstract: A method and device for scheduling SR transmissions for a user equipment (UE) associated with an evolved Node B (eNB) of a Long Term Evolution (LTE) network. The method includes determining an SR is to be transmitted to the LTE network, determining an uplink grant behavior of the eNB, when the uplink grant behavior of the eNB indicates that previous uplink grants satisfy a threshold of previous grants occurring in onDurations of the cycle of a C-DRX functionality, selecting one of the at least one SR opportunity that follows a next onDuration relative to when the indication is received and scheduling the SR in the one of the at least one SR opportunity that follows the next onDuration. The method further including determining an uplink grant turnaround time associated with the eNB, and selecting one of the at least one SR opportunity based on the uplink grant turnaround time.
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公开(公告)号：US20190068651A1
公开(公告)日：2019-02-28
申请号：US16105489
申请日：2018-08-20
Applicant: Apple Inc.
Inventor： Elliot S. BRIGGS , Jason A. NOVAK , Samuel D. POST , Zhu JI
Abstract: A wireless device determines a location, identifies a mobile network operator (MNO), and/or experiences a network event. In some instances, the wireless device recognizes a base station as being operated by the MNO. Based on the location, the MNO and/or the network event, the wireless device determines a security action. The security action can include one or more of: (i) ignoring a network command associated with the network event, (ii) providing an alert notification via a user interface of the wireless device alerting a user of a security risk associated with the location, MNO, and/or network event, or (iii) ignoring communication from the base station temporarily or for an indefinite period of time. In some instances, the security action includes proceeding with normal communication with the base station at the location using network services of the MNO.
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公开(公告)号：US20190044660A1
公开(公告)日：2019-02-07
申请号：US16050957
申请日：2018-07-31
Applicant: APPLE INC.
Inventor： Zhu JI , Yang LI , Johnson O. Sebeni , Junsung Lim
Abstract: A device, system and method for determining when to initiate certain operations associated with received data. The method is performed at a device connected to a network. The method includes estimating a first number of repetitions of a subframe which is associated with a likelihood that the device will successfully perform an operation based on the subframe. The method further includes delaying initiating the operation for the subframe until a received number of repetitions of the subframe is greater than or equal to the first number of repetitions.
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公开(公告)号：US20180351658A1
公开(公告)日：2018-12-06
申请号：US15611911
申请日：2017-06-02
Applicant: APPLE INC.
IPC: H04B15/00 , H04B17/336
CPC classification number: H04B15/00 , H04B17/336 , H04W88/02
Abstract: Method and apparatus for co-existence management between mitigation techniques where a user device (“UE”) is connected to a base station (“BS”) of a network. The UE may receive a first value of a BS parameter from the BS and may determine a second value of a signal quality parameter corresponding to a signal received by the UE from the BS. The UE may then select an operating mode for the UE based on the first value and the second value, where the operating mode comprises implementing at least one interference mitigation technique.
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公开(公告)号：US20160323930A1
公开(公告)日：2016-11-03
申请号：US15083142
申请日：2016-03-28
Applicant: Apple Inc.
Inventor： Zhu JI , Johnson O. SEBENI , Tahir SHAMIM
IPC: H04W76/04 , H04L5/14 , H04B17/336 , H04W52/02
CPC classification number: H04W76/048 , H04B17/336 , H04L5/0005 , H04L5/0007 , H04W52/02 , H04W52/0216 , H04W52/0245 , H04W76/28 , H04W84/042 , Y02D70/1242 , Y02D70/1262 , Y02D70/1264 , Y02D70/24
Abstract: Methods and apparatus to reduce power consumption in user equipment (UE) that operates in a connected discontinuous reception (C-DRX) mode while in communication with wireless network are disclosed. A C-DRX warm-up period before the UE enters an on-duration is adjusted dynamically based on one or more factors including a time division duplex (TDD) uplink/downlink (UL/DL) subframe configuration, signal-to-noise ratio (SNR) values, and Doppler shift values. The C-DRX warm-up period is adapted based on the pattern of DL subframes in the UL/DL subframe configuration by including DL subframes that best contribute to channel estimation and adaptive tracking loops based on measured SNR and Doppler shift conditions. Favorable channel conditions, such as higher SNR and lower Doppler shift, can require fewer DL subframes and consequently shorter C-DRX warm-up periods. Higher Doppler shift values indicate more rapidly varying channel conditions and require DL subframes positioned closer to the start of the on-duration.
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Patent Agency Ranking
公开(公告)号：US20160286535A1
公开(公告)日：2016-09-29
申请号：US14846002
申请日：2015-09-04
Applicant: APPLE INC.
Inventor： Zhu JI , Johnson O. SEBENI , Yu-Lin WANG
CPC classification number: H04L5/0007 , H04B17/309 , H04L5/0048 , H04L5/0053
Abstract: A user equipment and method performs an adaptive channel estimation. The method performed at a user equipment includes receiving physical downlink control channel (PDCCH) information for a subframe from a network, the subframe including reference symbols at predetermined times therein. If the PDCCH information does not include a downlink grant for the user equipment, a measured value of a network metric experienced by the user equipment is determined and compared to a threshold criteria. A first set of the reference symbols is used for channel estimation when the threshold value is satisfied and a second set of the reference symbols is used for channel estimation when the threshold is not satisfied, the first set of references symbols is a subset of the second set of the reference symbols. In another embodiment, a previously determined channel estimation at a previous subframe is used for the subframe when the threshold is satisfied.
Abstract translation: 用户设备和方法执行自适应信道估计。 在用户设备中执行的方法包括从网络接收子帧的物理下行链路控制信道（PDCCH）信息，该子帧包括在其中的预定时间的参考符号。 如果PDCCH信息不包括用户设备的下行链路许可，则确定用户设备经历的网络度量的测量值并将其与阈值标准进行比较。 当阈值满足时，将第一组参考符号用于信道估计，并且当阈值不满足时将第二组参考符号用于信道估计时，第一组参考符号是第二组参考符号的子集 一组参考符号。 在另一个实施例中，当满足阈值时，对于子帧使用先前子帧的先前确定的信道估计。
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公开(公告)号：US20220394605A1
公开(公告)日：2022-12-08
申请号：US17755703
申请日：2019-11-28
Applicant: Apple Inc.
Inventor： Beibei WANG , Pengkai ZHAO , Zhu JI , Fangli XU , Haijng HU , Yuqin CHEN , Lele CUI , Ruirui ZONG , Haitong SUN , Wei ZENG , Jia TANG , Tianyan PU , Johnson O. SEBENI , Dawei ZHANG , Thanigaivelu ELANGOVAN , Hailong YANG , Xueting LIU
Abstract: A device, system and method for a user equipment (UE) to report a network resource and capability state to a network for coordinating network resource allocations. The UE is configured to establish a first connection to a first network based on a first subscriber identity module (SIM) of the UE and further configured to establish a second connection to a second network based on a second SIM of the UE. The method includes determining an upcoming first change of a state of the UE with respect to the first connection and transmitting, to the first network, an indication of the first change of state of the UE. The method further includes changing the state of the UE with respect to the first connection.
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公开(公告)号：US20190373555A1
公开(公告)日：2019-12-05
申请号：US15992826
申请日：2018-05-30
Applicant: APPLE INC.
Inventor： Jia TANG , Zhu JI , Yu-Lin WANG , Wei ZHANG
Abstract: A method and user equipment for transmission slot blank. The method includes, at the user equipment (“UE”), establishing a voice call, determining whether the voice call currently comprises a silence period, blanking at least two slots of a control frame according to a predetermined pattern, wherein the predetermined pattern includes at least one slot that is not blanked between the at least two slots that are blanked, and transmitting the control frame.
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公开(公告)号：US20180351975A1
公开(公告)日：2018-12-06
申请号：US15610230
申请日：2017-05-31
Applicant: Apple Inc.
Inventor： Elliot S. BRIGGS , Zhu JI
CPC classification number: H04L63/1425 , H04W12/02 , H04W12/12 , H04W36/0094 , H04W36/08 , H04W48/02 , H04W84/042
Abstract: A device observes base station signals and identifies those that are suspicious and those that are normal. The device avoids communication with the sources of suspicious signals. A rogue base station may be the source of suspicious signals. A system operated by a mobile network operator is a source of normal signals. A rogue operator and the mobile network operator have different goals and those differences are the basis of embodiments provided herein to detect the rogue base station. The observations are characterized by message rates, waveform accuracy, cell parameters, and synchronization level.
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公开(公告)号：US20170359160A1
公开(公告)日：2017-12-14
申请号：US15178952
申请日：2016-06-10
Applicant: APPLE INC.
Inventor： Zhu JI , Beibei Wang , Johnson O. Sebeni
CPC classification number: H04L5/14 , H04L5/0051 , H04L5/006 , H04L5/0098 , H04L5/1469 , H04L43/16 , H04W16/32 , H04W52/0216 , H04W52/0229 , H04W52/028 , H04W72/042 , H04W72/0446 , H04W76/15 , H04W88/02
Abstract: A method and device are described that may be implemented by a user equipment (UE) that established a first connection to a first network component, the user equipment configured to establish a second connection with a second network component, the user equipment configured for a carrier aggregation functionality, the first network component serving as a primary serving cell (PCell) and the second network component serving as a secondary serving cell (SCell). The method may include determining a cycle comprising a first time when a SCell measurement is performed and a remainder second time, when the cumulative first and second times is less than a threshold cycle time, determining an interruption opportunity based on activity between the UE and the PCell and when the interruption opportunity is determined, deactivating a radio frequency (RF) chain associated with the SCell during the second time.
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