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    Adaptive Operational Full-Duplex and Half-Duplex FDD Modes in Wireless Networks
    1.
    发明申请
    Adaptive Operational Full-Duplex and Half-Duplex FDD Modes in Wireless Networks 审中-公开

    公开(公告)号：US20200228301A1

    公开(公告)日：2020-07-16

    申请号：US16830404

    申请日：2020-03-26

    Applicant: Apple Inc.

    Inventor： Hyung-Nam CHOI ,  Maik Bienas ,  Martin Hans

    IPC: H04L5/16 ,  H04W72/12 ,  H04L5/14 ,  H04L12/26

    Abstract: Methods and apparatus that enable a wireless network system to dynamically change between full-duplex FDD operation and half-duplex FDD operation in order to take advantage of operational aspects of both modes. In one embodiment, an alternative duplex mode of operation is disclosed (semi-static half duplex FDD operation) that enables coordination between the client device (e.g., UMTS UE) and the base station in order to centralize control of radio resource control (RRC) to the base station. The disclosed methods and apparatus may also advantageously incorporate hybrid ARQ (HARQ) or comparable timing requirements into their operation.

    Methods and apparatus for providing selective access to wireless network resources using detailed information
    2.
    发明授权
    Methods and apparatus for providing selective access to wireless network resources using detailed information 有权

    公开(公告)号：US10117069B2

    公开(公告)日：2018-10-30

    申请号：US15148128

    申请日：2016-05-06

    Applicant: APPLE INC.

    Inventor： Andreas Schmidt ,  Martin Hans ,  Maik Bienas

    IPC: H04W4/00 ,  H04W4/06 ,  H04W52/02 ,  H04W76/15 ,  H04W76/25 ,  H04W16/32 ,  H04W84/04

    Abstract: Methods and apparatus for providing enhanced access options for wireless access points (e.g., cellular femtocells). These access options in one embodiment include various grades or levels of private and public access to available femtocell services. Each service may be separately assigned a various access type, such that a femtocell may service multiple users both within the “closed” group authorized by the femtocell white list, and non-members. In one variant, a femtocell broadcasts enhanced system information to all terminals (regardless of member/non-member status) such that a non-CSG (Closed Subscriber Group) member terminal or UE is capable of obtaining partial service access within the femtocell. Broadcast multimedia or other services can be delivered to both CSG members and non-members, advantageously without having to establish a dedicated connection for the non-member users.

    Methods and apparatus for optimizing paging mechanisms using device context information
    7.
    发明授权
    Methods and apparatus for optimizing paging mechanisms using device context information 有权

    公开(公告)号：US10973001B2

    公开(公告)日：2021-04-06

    申请号：US16744610

    申请日：2020-01-16

    Applicant: Apple Inc.

    Inventor： Maik Bienas ,  Hyung-Nam Choi

    IPC: H04W68/02 ,  H04W48/16 ,  H04W48/18 ,  H04W48/20 ,  H04W72/02

    Abstract: Methods and apparatus enabling a wireless network to optimize paging channel operation, based on mobile device context information. In one embodiment, the wireless network is a cellular network (e.g., LTE-Advanced), and both base stations and cellular user devices dynamically exchange and maintain a paging agreement. The paging agreement limits the paging channel operation, thereby minimizing unnecessary scanning and usage of irrelevant radio resources. Such paging mechanisms are limited to the air interface between the base station and the mobile device, and are compatible with existing legacy devices and network entities. Networks with appropriately enabled user devices may improve their resource utilization. Base stations may advantageously reclaim freed-up cellular resources to support other services.

    Methods and Apparatus for Providing Selective Access to Wireless Network Resources Using Detailed Information
    8.
    发明申请
    Methods and Apparatus for Providing Selective Access to Wireless Network Resources Using Detailed Information 审中-公开

    公开(公告)号：US20190053015A1

    公开(公告)日：2019-02-14

    申请号：US16157652

    申请日：2018-10-11

    Applicant: APPLE INC.

    Inventor： Andreas SCHMIDT ,  Martin Hans ,  Maik Bienas

    IPC: H04W4/06 ,  H04W76/25 ,  H04W76/15 ,  H04W52/02 ,  H04W16/32 ,  H04W84/04

    Abstract: Methods and apparatus for providing enhanced access options for wireless access points (e.g., cellular femtocells). These access options in one embodiment include various grades or levels of private and public access to available femtocell services. Each service may be separately assigned a various access type, such that a femtocell may service multiple users both within the “closed” group authorized by the femtocell white list, and non-members. In one variant, a femtocell broadcasts enhanced system information to all terminals (regardless of member/non-member status) such that a non-CSG (Closed Subscriber Group) member terminal or UE is capable of obtaining partial service access within the femtocell. Broadcast multimedia or other services can be delivered to both CSG members and non-members, advantageously without having to establish a dedicated connection for the non-member users.

    Adaptive Operational Full-Duplex and Half-Duplex FDD Modes in Wireless Networks
    9.
    发明申请
    Adaptive Operational Full-Duplex and Half-Duplex FDD Modes in Wireless Networks 审中-公开

    公开(公告)号：US20190007188A1

    公开(公告)日：2019-01-03

    申请号：US16124830

    申请日：2018-09-07

    Applicant: APPLE INC.

    Inventor： Hyung-Nam CHOI ,  Maik Bienas ,  Martin Hans

    IPC: H04L5/16 ,  H04L12/26

    Abstract: Methods and apparatus that enable a wireless network system to dynamically change between full-duplex FDD operation and half-duplex FDD operation in order to take advantage of operational aspects of both modes. In one embodiment, an alternative duplex mode of operation is disclosed (semi-static half duplex FDD operation) that enables coordination between the client device (e.g., UMTS UE) and the base station in order to centralize control of radio resource control (RRC) to the base station. The disclosed methods and apparatus may also advantageously incorporate hybrid ARQ (HARQ) or comparable timing requirements into their operation.

    Methods and Apparatus For Partial Interference Reduction Within Wireless Networks
    10.
    发明申请
    Methods and Apparatus For Partial Interference Reduction Within Wireless Networks 审中-公开
    无线网络内局部干扰减少的方法与装置

    公开(公告)号：US20150305055A1

    公开(公告)日：2015-10-22

    申请号：US14733606

    申请日：2015-06-08

    Applicant: APPLE INC.

    Inventor： Markus Mueck ,  Maik Bienas ,  Andreas Schmidt

    IPC: H04W72/12

    CPC classification number: H04W72/1226 ,  H04B15/00 ,  H04B2215/062 ,  H04J11/0033 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0048 ,  H04L25/4975 ,  H04W72/082 ,  H04W72/1263

    Abstract: Methods and apparatus that enable one or more wireless networks to minimize inter-cellular interference (ICI) at a receiver. In one embodiment, the network comprises an OFDM-based cellular network, and the method comprises utilizing a priori knowledge of non-data portions of signals from multiple base stations in order to schedule transmissions. In one variant, these non-data portions comprise pilot tones; the pilot tones can be scheduled onto various time-frequency resources of the network so as to minimize ICI. The mobility context of the receiver can also be used as a basis for dynamically adjusting the pilot tone density. In another variant, precoding (e.g., Tomlinson-Harashima precoding) can be applied to “shape” the non-data portions of the transmitted signals so as to mitigate ICI. In yet other variants, frame preambles and learning sequences are used as the basis for invoking selective transmission time shifts across the potentially interfering base stations so as to minimize ICI.

    Abstract translation: 使一个或多个无线网络能够最小化接收机处的细胞间干扰（ICI）的方法和装置。 在一个实施例中，网络包括基于OFDM的蜂窝网络，并且该方法包括利用来自多个基站的信号的非数据部分的先验知识来调度传输。 在一个变型中，这些非数据部分包括导频音; 可以将导频音调调到网络的各种时频资源上，以使ICI最小化。 接收机的移动性上下文也可以用作动态调整导频音密度的基础。 在另一变型中，可以将预编码（例如，Tomlinson-Harashima预编码）应用于“形成”所发射信号的非数据部分，以便减轻ICI。 在其他变型中，使用帧前导码和学习序列作为在潜在干扰基站上调用选择性传输时间偏移的基础，以便使ICI最小化。

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