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    Device and method for CQI feedback to enable joint DL-UL scheduling in full duplex systems
    12.
    发明授权
    Device and method for CQI feedback to enable joint DL-UL scheduling in full duplex systems 有权

    公开(公告)号：US11419124B2

    公开(公告)日：2022-08-16

    申请号：US16086490

    申请日：2016-04-25

    Applicant: Apple Inc.

    Inventor： Shu-Ping Yeh ,  Jingwen Bai ,  Sung-En Chiu ,  Ping Wang ,  Feng Xue ,  Yang-Seok Choi ,  Shilpa Talwar

    IPC: H04W72/08 ,  H04L5/00 ,  H04L5/14

    Abstract: Devices and methods of providing joint scheduling in a full-duplex LTE system are generally described. The UE measures intra-cell interference at the UE caused by a UL transmission from each intra-cell UE, calculates a ratio of the intra-cell interference over an average inter-cell interference, determines whether the intra-cell UE is an aggressor or non-aggressor based on whether the ratio exceeds a threshold, transmits at least some of the determinations to the eNB as feedback, and communicates with the eNB based on a schedule that is dependent on the feedback such that the UE is neither an aggressor nor is subject to interference from aggressors. The schedule may also be based on wideband CQI feedback based on a ratio of an average overall DL interference plus noise over the average inter-cell interference plus noise and/or subband CQI feedback based on SINR measurements.

    Spatial thermal density reduction for MMWAVE antenna arrays
    14.
    发明授权
    Spatial thermal density reduction for MMWAVE antenna arrays 有权

    公开(公告)号：US12149311B2

    公开(公告)日：2024-11-19

    申请号：US17825906

    申请日：2022-05-26

    Applicant: Apple Inc.

    Inventor： Oner Orhan ,  Brent Elliott ,  Hosein Nikopour ,  Eren Sasoglu ,  Shilpa Talwar

    IPC: H04B7/06 ,  H04B1/44 ,  H04B7/0456

    Abstract: An apparatus, method and computer readable medium for special thermal density reduction by antenna thinning. A system comprises N transmit/receive (TX/RX) chains, where each TX/RX chain comprises an RFFE and each RFFE comprises one or more thermal sensors configured to measure heat in the RFFE. An antenna array coupled to the plurality of TX/RX chains. A codebook that comprises a plurality of code words configured to respond to real-time heat measurements from the thermal sensors in each TX/RX chain is configured to switch off selected TX/RX chains to reduce thermal density at the antenna array while maintaining M RFFEs switched on, where M

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