Control channel for UE power saving

    公开(公告)号:US11743917B2

    公开(公告)日:2023-08-29

    申请号:US17536303

    申请日:2021-11-29

    Applicant: Apple Inc.

    Abstract: A downlink control information (DCI), such as a blanking DCI (bDCI) message may be transmitted by a base station (e.g., eNB) and received by a mobile device (e.g., UE). The bDCI may indicate that the eNB will not transmit a subsequent DCI to the UE for a duration of time. The UE may be in continuous reception mode or connected discontinuous reception (C-DRX) mode. The UE may therefore determine to enter a sleep state or take other action. The bDCI may specify an explicit blanking duration, or an index indicating a blanking duration from a lookup table, and/or the blanking duration (and/or a blanking duration offset value) may be determined in advance, e.g., semi-statically. When the UE is in C-DRX mode, the UE may be configured such that either the sleep/wake period of the C-DRX mode or the blanking period of the bDCI may take precedence over the other.

    Wireless terminal authentication
    4.
    发明授权

    公开(公告)号:US11546174B2

    公开(公告)日:2023-01-03

    申请号:US16708310

    申请日:2019-12-09

    Applicant: Apple Inc.

    Abstract: A device for wireless terminal authentication may include at least one processor configured to receive, from a wireless terminal device, a request for user information, the request comprising a certificate corresponding to the wireless terminal device. The at least one processor may be further configured to verify the certificate based at least in part on a public key stored on the electronic device. The at least one processor may be further configured to, when the certificate is verified, determine whether the certificate indicates that the wireless terminal device is authorized to receive the requested user information. The at least one processor may be further configured to transmit, to the wireless terminal device, the requested user information when the certificate indicates that the wireless terminal device is authorized to receive the requested user information.

    Wireless network service access control with subscriber identity protection

    公开(公告)号:US11405788B2

    公开(公告)日:2022-08-02

    申请号:US17052163

    申请日:2018-05-02

    Applicant: Apple Inc.

    Abstract: A device level lock policy, which applies to all smart secure platform (SSP) applications of a mobile device, is used to determine whether a particular SSP application can be activated. A tamper resistant hardware secure element (SE) includes a primary platform with a low level operating system (OS) and one or more SSP applications within one or more secondary platform bundles that include secondary platforms with high level OSs specific to the secondary platform bundles. The low level OS enforces the device level lock policy for all secondary platform bundles by verifying whether a lock policy for the SSP application is consistent with the device level lock policy. When verification succeeds, activation is allowed, and when verification fails, activation is disallowed. Subscription identifiers are not provided in unencrypted form to processing circuitry of the mobile device external to the tamper resistant hardware SE to provide subscriber identity privacy protection.

    Apparatus, System and Method for Utilizing a Flexible Slot Format Indicator

    公开(公告)号:US20210083765A1

    公开(公告)日:2021-03-18

    申请号:US17104836

    申请日:2020-11-25

    Applicant: Apple Inc.

    Abstract: Embodiments are presented herein of apparatuses, systems, and methods for utilizing a flexible slot indicator in wireless communication. A base station (BS) may establish communication with a first user equipment device (UE). The BS may determine a transmission direction for each of a plurality of symbols included in one or more slots. The BS may transmit a slot format indicator (SFI) to the UE. The SFI may indicate the transmission direction for each of the plurality of symbols included in one or more slots. The BS and the UE may perform communication during the one or more slots according to the determined transmission direction.

    Apparatus, system and method for utilizing a flexible slot format indicator

    公开(公告)号:US10887006B2

    公开(公告)日:2021-01-05

    申请号:US16776793

    申请日:2020-01-30

    Applicant: Apple Inc.

    Abstract: Embodiments are presented herein of apparatuses, systems, and methods for utilizing a flexible slot indicator in wireless communication. A base station (BS) may establish communication with a first user equipment device (UE). The BS may determine a transmission direction for each of a plurality of symbols included in one or more slots. The BS may transmit a slot format indicator (SFI) to the UE. The SFI may indicate the transmission direction for each of the plurality of symbols included in one or more slots. The BS and the UE may perform communication during the one or more slots according to the determined transmission direction.

    Secure element operating system update notification

    公开(公告)号:US10769279B2

    公开(公告)日:2020-09-08

    申请号:US16026912

    申请日:2018-07-03

    Applicant: Apple Inc.

    Inventor: Xiangying Yang

    Abstract: An operating system (OS) update to a secure element (SE) may be commanded, for example, in order to fix a security bug, upgrade a version of an OS, provide mobile network operator (MNO) specific extensions such as to an application programming interface (API) or to cause OS/profile switching. Many of these OS updates will affect one or more profiles present on the SE. An MNO associated with a given profile will benefit in some instances by being provided with a notification of the OS update, since the OS update may affect SE capabilities and thus affect what a given profile can or cannot do after the OS update occurs. Embodiments provided herein create notification entries that will appropriately inform the concerned MNO. In some embodiments, a capability linking variable (“linkedcapability”) is used to determine whether an SE capability change should trigger transmission of a notification to the concerned MNO.

    Apparatus, System and Method for Utilizing a Flexible Slot Format Indicator

    公开(公告)号:US20200169319A1

    公开(公告)日:2020-05-28

    申请号:US16776793

    申请日:2020-01-30

    Applicant: Apple Inc.

    Abstract: Embodiments are presented herein of apparatuses, systems, and methods for utilizing a flexible slot indicator in wireless communication. A base station (BS) may establish communication with a first user equipment device (UE). The BS may determine a transmission direction for each of a plurality of symbols included in one or more slots. The BS may transmit a slot format indicator (SFI) to the UE. The SFI may indicate the transmission direction for each of the plurality of symbols included in one or more slots. The BS and the UE may perform communication during the one or more slots according to the determined transmission direction.

    Methods and apparatus for establishing a secure communication channel

    公开(公告)号:US10404693B2

    公开(公告)日:2019-09-03

    申请号:US15936331

    申请日:2018-03-26

    Applicant: Apple Inc.

    Abstract: A method for establishing a secure communication channel between an off-card entity and an embedded Universal Integrated Circuit Card (eUICC) is provided. The method involves establishing symmetric keys that are ephemeral in scope. Specifically, an off-card entity, and each eUICC in a set of eUICCs managed by the off-card entity, possess long-term Public Key Infrastructure (PKI) information. When a secure communication channel is to be established between the off-card entity and an eUICC, the eUICC and the off-card entity can authenticate one another in accordance with the respectively-possessed PKI information (e.g., verifying public keys). After authentication, the off-card entity and the eUICC establish a shared session-based symmetric key for implementing the secure communication channel. Specifically, the shared session-based symmetric key is generated according to whether perfect or half forward security is desired. Once the shared session-based symmetric key is established, the off-card entity and the eUICC can securely communicate information.

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