TIMING ADVANCE TECHNIQUES TO MANAGE CROSS LINK INTERFERENCE IN 5G COMMUNICATION SYSTEMS

    公开(公告)号:US20240155525A1

    公开(公告)日:2024-05-09

    申请号:US18225995

    申请日:2023-07-25

    Applicant: Apple Inc.

    CPC classification number: H04W56/0045 H04L5/1469

    Abstract: Systems, methods, and apparatuses disclosed herein can mitigate interference in a wireless network. These systems, methods, and apparatuses can determine a mode of operation of a base station (BS) within the wireless network. These systems, methods, and apparatuses can select a first time advance (TA) when the BS is operating in a static time division duplex (TDD) mode of operation or a second TA when the BS is operating in a sub-band full duplex (SBFD) mode of operation or a dynamic TDD mode of operation. These systems, methods, and apparatuses can advance signals on an uplink (UL) by the first TA to cause the signals on the UL to be time aligned with other signals from other UEs on the UL at the BS to mitigate inter carrier interference (ICI) at the BS. Otherwise, these systems, methods, and apparatuses can advance the signals on the UL by the second TA to cause the signals on the UL to be time aligned with signals from the BS on the DL at a victim UE within the wireless network to mitigate cross link interference (CLI) at the victim UE.

    CROSS LINK INTERFERENCE REPORTING IN 5G COMMUNICATION SYSTEMS

    公开(公告)号:US20240146424A1

    公开(公告)日:2024-05-02

    申请号:US18225999

    申请日:2023-07-25

    Applicant: Apple Inc.

    Abstract: Systems, methods, and apparatuses disclosed herein can generate and report a cross link interference (CLI) report. These systems, methods, and apparatuses can receive a CLI report configuration that outlines requirements for the CLI report, where the CLI report configuration is received on Layer 1 signaling, for example, Downlink Control Information (DCI) on a Physical Downlink Control Channel (PDCCH) or Layer 2 signaling, for example, downlink (DL) Media Access Control-Control Element (MAC-CE) on Physical Downlink Shared Channel (PDSCH). The CLI report configuration can identify the one or more CLI measurement resources to be measured and reported; one or more CLI measurements to be performed on the one or more CLI measurement resources; one or more CLI measurement occasions to measure the one or more CLI measurement resources; and one or more resources, to be used to report the CLI report. These systems, methods, and apparatuses can generate the CLI report as outlined in the CLI report configuration. Thereafter, these methods, and apparatuses can report the CLI report on Layer 1 signaling, for example, Uplink Control Information (UCI) on a Physical Uplink Control Channel (PUCCH) or Layer 2 signaling, for example, uplink (UL) Media Access Control-Control Element (MAC-CE) on Physical Uplink Shared Channel (PUSCH).

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