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    PRIMARY CELL SWITCHING IN CARRIER AGGREGATION
    2.
    发明公开
    PRIMARY CELL SWITCHING IN CARRIER AGGREGATION 审中-公开

    公开(公告)号：US20240007912A1

    公开(公告)日：2024-01-04

    申请号：US17809728

    申请日：2022-06-29

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Wen Yang ,  Hongyan Lei ,  Ye Chen ,  Yupeng Jia

    IPC: H04W36/00 ,  H04W36/30 ,  H04W16/14

    CPC classification number: H04W36/0069 ,  H04W36/30 ,  H04W16/14 ,  H04W36/0085

    Abstract: The disclosed technology is directed towards switching the primary cell in a carrier aggregation scenario to improve performance. Measurement data of a mobile device (user equipment) is evaluated with respect to one or more various criteria such as cell carrier bandwidth, cell carrier load, cell-related capability and other carrier data (e.g., dynamic spectrum sharing versus clean, time division duplex or frequency division duplex), and others. Device conditions such as overheating can be considered as well. The evaluation results in a ranking of primary cell candidates. If a more optimal primary cell (candidate) is available, the primary cell in the carrier aggregation combination is switched to the candidate that is ranked the highest. Switching can be relatively very fast, such as based on already existing layer-1 (L1) and/or layer-2 (L2) measurement data. Layer-3 (L3) measurement data also can be obtained on demand, for example, to use in the evaluation.

    Facilitating application and/or traffic status aware intelligent carrier aggregation in advanced networks
    4.
    发明授权
    Facilitating application and/or traffic status aware intelligent carrier aggregation in advanced networks 有权

    公开(公告)号：US11051308B2

    公开(公告)日：2021-06-29

    申请号：US16427957

    申请日：2019-05-31

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Ye Chen ,  Michael Prise ,  Hongyan Lei ,  Jason Sikes ,  Todd Zeiler

    IPC: H04W72/04 ,  H04W24/08

    Abstract: Facilitating application and/or traffic status aware intelligent carrier aggregation in advanced networks is provided herein. Operations of a method can comprise analyzing a traffic usage parameter of a mobile device and, based on a first determination that the traffic usage parameter consumes more uplink resources than downlink resources, configuring, the mobile device with an uplink carrier aggregation based on a first maximization of the uplink carrier aggregation and, thereafter, configuring the mobile device with an allowable downlink carrier aggregation. Alternatively, based on a second determination that the traffic usage parameter consumes more downlink resources than uplink resources, configuring the mobile device with a downlink carrier aggregation based on a second maximization of the downlink carrier aggregation and, thereafter, configuring the mobile device with an allowable uplink carrier aggregation. The uplink carrier aggregation and the downlink carrier aggregation can be non-static carrier aggregations.

    SYSTEM AND METHOD FOR DYNAMIC FEATURE SELECTION BASED ON LATENCY DISCOVERY
    5.
    发明申请
    SYSTEM AND METHOD FOR DYNAMIC FEATURE SELECTION BASED ON LATENCY DISCOVERY 有权

    公开(公告)号：US20210168629A1

    公开(公告)日：2021-06-03

    申请号：US17171470

    申请日：2021-02-09

    Applicant: AT&T Intellectual Property I, L.P. ,  AT&T Mobility II LLC

    Inventor： Hongyan Lei ,  Ye Chen ,  Zhi Cui ,  Cheng P. Liu ,  Yonghui Tong

    IPC: H04W24/02 ,  H04L5/00 ,  H04W36/00

    Abstract: Aspects of the subject disclosure include, for example, identifying a primary serving cell and a secondary serving cell, wherein the primary serving cell facilitates one of attachment, re-attachment or mobility, or any combination thereof, of a mobile device in association with coordination of a wireless service between the primary serving cell, the secondary serving cell and the mobile device. A latency value associated with a message exchange is determined between the primary and secondary serving cells via a messaging interface, and compared to latency requirements, which correspond to a group of mobile service features. A mobile service feature of the group is associated with the wireless service based on the comparison. The wireless service includes a coordinated exchange of wireless signals between the primary serving cell and the mobile device and between the secondary serving cell and the mobile device based on the mobile service feature. Other embodiments are disclosed.

    System and method for dynamic feature selection based on latency discovery
    7.
    发明授权
    System and method for dynamic feature selection based on latency discovery 有权

    公开(公告)号：US10959117B2

    公开(公告)日：2021-03-23

    申请号：US16537203

    申请日：2019-08-09

    Applicant: AT&T INTELLECTUAL PROPERTY I, L.P. ,  AT&T Mobility II LLC

    Inventor： Hongyan Lei ,  Ye Chen ,  Zhi Cui ,  Cheng P Liu ,  Yonghui Tong

    IPC: H04W24/02 ,  H04L5/00 ,  H04W36/00 ,  H04W92/20

    Abstract: Aspects of the subject disclosure include, for example, identifying a primary serving cell and a secondary serving cell, wherein the primary serving cell facilitates one of attachment, re-attachment or mobility, or any combination thereof, of a mobile device in association with coordination of a wireless service between the primary serving cell, the secondary serving cell and the mobile device. A latency value associated with a message exchange is determined between the primary and secondary serving cells via a messaging interface, and compared to latency requirements, which correspond to a group of mobile service features. A mobile service feature of the group is associated with the wireless service based on the comparison. The wireless service includes a coordinated exchange of wireless signals between the primary serving cell and the mobile device and between the secondary serving cell and the mobile device based on the mobile service feature. Other embodiments are disclosed.

    SYSTEM AND METHOD FOR DYNAMIC FEATURE SELECTION BASED ON LATENCY DISCOVERY
    9.
    发明申请
    SYSTEM AND METHOD FOR DYNAMIC FEATURE SELECTION BASED ON LATENCY DISCOVERY 审中-公开

    公开(公告)号：US20180343573A1

    公开(公告)日：2018-11-29

    申请号：US16051609

    申请日：2018-08-01

    Applicant: AT&T Mobility II LLC ,  AT&T Intellectual Property I, L.P.

    Inventor： Hongyan Lei ,  Ye Chen ,  Zhi Cui ,  Cheng P Liu ,  Yonghui Tong

    IPC: H04W24/02 ,  H04L5/00 ,  H04W92/20

    CPC classification number: H04W24/02 ,  H04L5/00 ,  H04L5/001 ,  H04W36/0022 ,  H04W36/0055 ,  H04W36/0088 ,  H04W92/20

    Abstract: Aspects of the subject disclosure include, for example, identifying a primary serving cell and a secondary serving cell, wherein the primary serving cell facilitates one of attachment, re-attachment or mobility, or any combination thereof, of a mobile device in association with coordination of a wireless service between the primary serving cell, the secondary serving cell and the mobile device. A latency value associated with a message exchange is determined between the primary and secondary serving cells via a messaging interface, and compared to latency requirements, which correspond to a group of mobile service features. A mobile service feature of the group is associated with the wireless service based on the comparison. The wireless service includes a coordinated exchange of wireless signals between the primary serving cell and the mobile device and between the secondary serving cell and the mobile device based on the mobile service feature. Other embodiments are disclosed.

    FACILITATING LOAD BALANCING IN WIRELESS HETEROGENEOUS NETWORKS
    10.
    发明申请
    FACILITATING LOAD BALANCING IN WIRELESS HETEROGENEOUS NETWORKS 审中-公开
    在无线异构网络中实现负载均衡

    公开(公告)号：US20160302106A1

    公开(公告)日：2016-10-13

    申请号：US14682221

    申请日：2015-04-09

    Applicant: AT & T Intellectual Property I, L.P. ,  AT & T Mobility II LLC

    Inventor： Hongyan Lei ,  Ye Chen ,  Zhi Cui ,  Cheng P. Liu ,  Slawomir Stawiarski ,  Yonghui Tong

    IPC: H04W28/08 ,  H04W72/04

    CPC classification number: H04W28/08 ,  H04L47/125 ,  H04W16/32 ,  H04W28/0226 ,  H04W36/04 ,  H04W36/22 ,  H04W36/32

    Abstract: Load balancing is facilitated utilizing geographical location and mobility speed. An example method includes receiving, by a first cell device including a processor and associated with a first cell, from a device of devices, information indicative of whether the device has detected cell type information from a second cell device associated with a second cell, wherein at least a portion of the second cell is located within a first boundary of the first cell. The method also includes: determining, by the first cell device, a mobility characteristic of the device, wherein the devices comprise respective mobility characteristics; and selecting, by the first cell device, the device of the devices to associate with the second cell based on the mobility characteristic of the device.

    Abstract translation: 利用地理位置和移动速度便利负载平衡。 示例性方法包括：从设备的设备接收包括处理器并与第一小区相关联的第一小区设备，指示设备是否已经从与第二小区相关联的第二小区设备检测到小区类型信息的信息，其中 第二单元的至少一部分位于第一单元的第一边界内。 所述方法还包括：由所述第一小区设备确定所述设备的移动性特征，其中，所述设备包括各自的移动性特性; 以及基于所述设备的移动性特性，由所述第一小区设备选择所述设备的设备与所述第二小区相关联。

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