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公开(公告)号：US10771188B2
公开(公告)日：2020-09-08
申请号：US15996181
申请日：2018-06-01
Applicant: Apple Inc.
Inventor： Ajoy K. Singh , Ashkan Heshmati , Faraz Faheem , Jianxiong Shi , Karthik Chockalingam , Murtaza A. Shikari , Srinivasan Nimmala , Srirang A. Lovlekar , Suresh Koppisetty , John Y. Su
Abstract: An accessory device may establish a short range link to a companion device, and the accessory device may use the companion device as a proxy to conduct a data session over a cellular network. Based on a latency requirement associated with the data session and/or a signal strength of the short range link, the accessory device may dynamically determine to transition its cellular radio from a powered-off mode to a low power mode.
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公开(公告)号：US20230036683A1
公开(公告)日：2023-02-02
申请号：US17384262
申请日：2021-07-23
Applicant: Apple Inc.
Inventor： Sai Sravan Bharadwaj Karri , Guillaume Monghal , Maik Streller , Manish G. Vemulapalli , Sagar B. Shah , Karthik Chockalingam
IPC: H04B7/08 , H04B7/0408 , H04B7/06 , H04L5/00
Abstract: A technique for wireless communications, comprising: determining a first channel state information (CSI) based on a current receive beam; determining a second CSI based on the current receive beam; determining a correlation metric between the first CSI and the second CSI; based a comparison between the determined correlation metric and a threshold value, determining to transmit the first or second CSI in response to a CSI reference signal (CSI-RS) received from a wireless node; determining a third CSI based on a candidate receive beam and the reference signal; and selecting the candidate receive beam based on the measured third CSI.
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3.发明授权公开(公告)号：US10200897B2
公开(公告)日：2019-02-05
申请号：US15476632
申请日：2017-03-31
Applicant: Apple Inc.
Inventor： Sami M. Almalfouh , Li Su , Sai Sravan Bharadwaj Karri , Chiranjeevi M. Kosuri , Karthik Chockalingam , Swaminathan Balakrishnan
IPC: H04W24/08 , H04W56/00 , H04W76/10 , H04B17/336
Abstract: This disclosure relates to radio link monitoring techniques. According to some embodiments, a wireless device may establish a radio link with a cellular base station according to a radio access technology. The base station may provide reference signals, control signals, and data signals to the wireless device via the radio link. The wireless device may perform radio link monitoring of the radio link using characteristics of decoding performance for one or more of the control signals and the data signals. Performing radio link monitoring of the radio link may include determining whether the radio link is in-sync or out-of-sync and determining whether radio link failure has occurred.
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公开(公告)号：US10057830B2
公开(公告)日：2018-08-21
申请号：US15633033
申请日：2017-06-26
Applicant: Apple Inc.
Inventor： Karthik Chockalingam , Sai Sravan Bharadwaj Karri , Swaminathan Balakrishnan , Sachin J. Sane
CPC classification number: H04W36/30 , H04W36/0055 , H04W36/0058 , H04W36/0088
Abstract: Method and apparatus to trigger a handover of a mobile device from a serving cell to a neighbor cell based on signal quality are disclosed. The mobile device measures signal strength and signal quality for the serving cell. When the signal strength exceeds a network-defined threshold and the signal quality falls below a mobile device defined threshold, the mobile device measures at least one neighbor cell. When a neighbor cell exceeds the network-defined threshold for signal strength and also meets the mobile device defined signal quality threshold, the mobile device sends a measurement report to the serving cell to trigger the handover. The measurement report includes modified values that indicate the serving cell does not meet network-defined threshold values and that the neighbor cell outperforms the serving cell.
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Patent Agency Ranking
公开(公告)号：US20190372708A1
公开(公告)日：2019-12-05
申请号：US15996181
申请日：2018-06-01
Applicant: Apple Inc.
Inventor： Ajoy K. Singh , Ashkan Heshmati , Faraz Faheem , Jianxiong Shi , Karthik Chockalingam , Murtaza A. Shikari , Srinivasan Nimmala , Srirang A. Lovlekar , Suresh Koppisetty , John Y. Su
Abstract: An accessory device may establish a short range link to a companion device, and the accessory device may use the companion device as a proxy to conduct a data session over a cellular network. Based on a latency requirement associated with the data session and/or a signal strength of the short range link, the accessory device may dynamically determine to transition its cellular radio from a powered-off mode to a low power mode.
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6.发明申请公开(公告)号：US20190124532A1
公开(公告)日：2019-04-25
申请号：US16229957
申请日：2018-12-21
Applicant: Apple Inc.
Inventor： Sami M. Almalfouh , Li Su , Sai Sravan Bharadwaj Karri , Chiranjeevi M. Kosuri , Karthik Chockalingam , Swaminathan Balakrishnan
IPC: H04W24/08 , H04W76/10 , H04B17/336 , H04W56/00
CPC classification number: H04W24/08 , H04B17/336 , H04W56/0035 , H04W76/10
Abstract: This disclosure relates to radio link monitoring techniques. According to some embodiments, a wireless device may establish a radio link with a cellular base station according to a radio access technology. The base station may provide reference signals, control signals, and data signals to the wireless device via the radio link. The wireless device may perform radio link monitoring of the radio link using characteristics of decoding performance for one or more of the control signals and the data signals. Performing radio link monitoring of the radio link may include determining whether the radio link is in-sync or out-of-sync and determining whether radio link failure has occurred.
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7.发明授权公开(公告)号：US10667158B2
公开(公告)日：2020-05-26
申请号：US16229957
申请日：2018-12-21
Applicant: Apple Inc.
Inventor： Sami M. Almalfouh , Li Su , Sai Sravan Bharadwaj Karri , Chiranjeevi M. Kosuri , Karthik Chockalingam , Swaminathan Balakrishnan
IPC: H04W24/08 , H04W76/10 , H04B17/336 , H04W56/00
Abstract: This disclosure relates to radio link monitoring techniques. According to some embodiments, a wireless device may establish a radio link with a cellular base station according to a radio access technology. The base station may provide reference signals, control signals, and data signals to the wireless device via the radio link. The wireless device may perform radio link monitoring of the radio link using characteristics of decoding performance for one or more of the control signals and the data signals. Performing radio link monitoring of the radio link may include determining whether the radio link is in-sync or out-of-sync and determining whether radio link failure has occurred.
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8.发明申请公开(公告)号：US20170311189A1
公开(公告)日：2017-10-26
申请号：US15476632
申请日：2017-03-31
Applicant: Apple Inc.
Inventor： Sami M. Almalfouh , Li Su , Sai Sravan Bharadwaj Karri , Chiranjeevi M. Kosuri , Karthik Chockalingam , Swaminathan Balakrishnan
IPC: H04W24/08 , H04B17/336 , H04W56/00 , H04W76/02
CPC classification number: H04W24/08 , H04B17/336 , H04W56/0035 , H04W76/10
Abstract: This disclosure relates to radio link monitoring techniques. According to some embodiments, a wireless device may establish a radio link with a cellular base station according to a radio access technology. The base station may provide reference signals, control signals, and data signals to the wireless device via the radio link. The wireless device may perform radio link monitoring of the radio link using characteristics of decoding performance for one or more of the control signals and the data signals. Performing radio link monitoring of the radio link may include determining whether the radio link is in-sync or out-of-sync and determining whether radio link failure has occurred.
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公开(公告)号：US09693281B2
公开(公告)日：2017-06-27
申请号：US14872065
申请日：2015-09-30
Applicant: Apple Inc.
Inventor： Karthik Chockalingam , Sai Sravan Bharadwaj Karri , Swaminathan Balakrishnan , Sachin J. Sane
IPC: H04W36/30
CPC classification number: H04W36/30 , H04W36/0055 , H04W36/0088
Abstract: Method and apparatus to trigger a handover of a mobile device from a serving cell to a neighbor cell based on signal quality are disclosed. The mobile device measures signal strength and signal quality for the serving cell. When the signal strength exceeds a network-defined threshold and the signal quality falls below a mobile device defined threshold, the mobile device measures at least one neighbor cell. When a neighbor cell exceeds the network-defined threshold for signal strength and also meets the mobile device defined signal quality threshold, the mobile device sends a measurement report to the serving cell to trigger the handover. The measurement report includes modified values that indicate the serving cell does not meet network-defined threshold values and that the neighbor cell outperforms the serving cell.
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