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    Use of per-connection MIMO support as basis for dynamic control of air-interface communication with dual-connected device
    3.
    发明授权
    Use of per-connection MIMO support as basis for dynamic control of air-interface communication with dual-connected device 有权

    公开(公告)号：US11831365B1

    公开(公告)日：2023-11-28

    申请号：US17807917

    申请日：2022-06-21

    Applicant: Sprint Spectrum L.P.

    Inventor： Sreekar Marupaduga

    IPC: H04B7/0413 ,  H04W76/10

    CPC classification number: H04B7/0413 ,  H04W76/10

    Abstract: A method and system for controlling data split of a dual-connected user equipment device (UE) when the UE has at least two co-existing air-interface connections including a first air-interface connection with a first access node and a second air-interface connection with a second access node. An example method includes (i) comparing a level of multiple-input-multiple-output (MIMO) support of the first air-interface connection with a level of MIMO support of the second air-interface connection, (ii) based at least on the comparing, establishing a split ratio that defines a distribution of data flow of the UE between at least the first air-interface connection and the second air-interface connection, and (iii) based on the establishing, causing the established split ratio to be applied. Further the method could include using the comparison as a basis to set one of the UE's air-interface connections as the UE's primary uplink path.

    Dynamic control of uplink carrier aggregation in a wireless communication system based on spectral efficiency
    4.
    发明授权
    Dynamic control of uplink carrier aggregation in a wireless communication system based on spectral efficiency 有权

    公开(公告)号：US11818743B1

    公开(公告)日：2023-11-14

    申请号：US17930641

    申请日：2022-09-08

    Applicant: Sprint Spectrum L.P.

    Inventor： Hemanth B. Pawar ,  Krishna Sitaram ,  Shilpa K. Srinivas

    IPC: H04W72/542 ,  H04W24/10 ,  H04W16/32

    CPC classification number: H04W72/542 ,  H04W16/32 ,  H04W24/10

    Abstract: A method and system for controlling wireless service of a user equipment device (UE) by an access node. The access node serves the UE with uplink carrier-aggregation over a connection that encompasses encompassing multiple uplink channels including a primary uplink channel (uplink PCell) and a secondary uplink channel (uplink SCell). Further, the access node dynamically sets a channel-quality threshold (e.g., an RSRP threshold) applicable to control when to deconfigure the uplink SCell from service of the UE, with the dynamically setting of the channel-quality threshold including iteratively adjusting the channel-quality threshold based on uplink spectral efficiency of the access node. And the access node applies the dynamically set channel-quality threshold to control when to deconfigure the uplink SCell from service of the UE.

    Suppression of modulation order in response to uplink voice muting
    5.
    发明授权
    Suppression of modulation order in response to uplink voice muting 有权

    公开(公告)号：US11785630B1

    公开(公告)日：2023-10-10

    申请号：US17301504

    申请日：2021-04-05

    Applicant: Sprint Spectrum L.P.

    Inventor： Ashish Tuli ,  Krishna Sitaram ,  Hemanth Pawar

    IPC: H04W72/542 ,  H04W72/0446 ,  H04L27/00

    CPC classification number: H04W72/542 ,  H04L27/0008 ,  H04W72/0446

    Abstract: A method and system for controlling uplink air-interface communication over an air interface from a given user equipment device (UE) to the access node, where the uplink air-interface communication normally operates with a modulation order corresponding with a most recently determined channel quality of the given UE. An example method includes (i) detecting at least a threshold high rate of uplink voice muting on the air interface, and (ii) responsive to at least the detecting of the threshold high rate of uplink voice muting on the air interface, suppressing the modulation order used for the uplink air-interface communication from the given UE to the access node over the air interface.

    Dynamic control of connections with dual-connectivity-capable devices
    7.
    发明授权
    Dynamic control of connections with dual-connectivity-capable devices 有权

    公开(公告)号：US11638199B1

    公开(公告)日：2023-04-25

    申请号：US17454505

    申请日：2021-11-11

    Applicant: Sprint Spectrum L.P.

    Inventor： Sreekar Marupaduga ,  Anurag Thantharate ,  Rajveen Narendran

    IPC: H04W24/10 ,  H04W48/06 ,  H04W76/15 ,  H04W8/24

    Abstract: A mechanism for controlling operation of a first access node that supports operation according to a first radio access technology (RAT) but does not support dual-connectivity operation according to the first RAT and a second RAT. A system detects a high extent of occurrences of dual-connectivity-capable user equipment devices (UEs) being connected with the first access node when the dual-connectivity-capable UEs could instead connect with a second access node that supports the dual-connectivity operation. And in response, the first access node blocks dual-connectivity-capable UEs from being connected with the first access node while allowing UEs that are not dual-connectivity capable to be connected with the first access node.

    Dynamic migration of session data between firewalls to facilitate low-latency session continuity
    8.
    发明授权
    Dynamic migration of session data between firewalls to facilitate low-latency session continuity 有权

    公开(公告)号：US11638150B1

    公开(公告)日：2023-04-25

    申请号：US17249088

    申请日：2021-02-19

    Applicant: Sprint Spectrum L.P.

    Inventor： Anubhav Visen ,  Rajil Malhotra

    IPC: H04W12/08 ,  H04W12/088 ,  H04L69/326 ,  H04L9/40 ,  H04L67/148

    Abstract: A method and system to facilitate session continuity where a user-plane function (UPF) serves user-equipment devices (UEs) and communicates with a transport network by default through a first firewall. As each of various ones of the UEs establishes a respective TCP session via the first firewall, the UPF determines if the UE is likely to engage in latency-sensitive communication, such as if the UE is a Ultra-Reliable Low-Latency Communication (URLLC) device and if so causes the first firewall to record the UE's TCP session 5-tuple to a centralized data storage. Thereafter when the UPF switches to use a second firewall instead of the first firewall (e.g., because the first firewall goes out of service), the UPF causes the second firewall to get from the centralized data store the TCP session 5-tuple of each such UE, for access-control use by the second firewall, to help provide session continuity.

    Prediction of handover trigger as basis to control primary-uplink-path switching for dual-connected device
    9.
    发明授权
    Prediction of handover trigger as basis to control primary-uplink-path switching for dual-connected device 有权

    公开(公告)号：US11595864B1

    公开(公告)日：2023-02-28

    申请号：US16949854

    申请日：2020-11-17

    Applicant: Sprint Spectrum L.P.

    Inventor： Sreekar Marupaduga

    IPC: H04W36/00 ,  H04W36/14 ,  H04W64/00

    Abstract: A method and system for controlling uplink-path switching of a user equipment device (UE) when the UE has at least two co-existing air-interface connections including a first air-interface connection with a first access node and a second air-interface connection with a second access node, and where one of the first and second air-interface connections defines a primary uplink path of the UE. An example method includes (i) predicting that a handover trigger for handover of the UE from the first access node to a third access node will occur and (ii) responsive to at least the prediction that the handover trigger will occur, but before the handover trigger occurs, forgoing application of at least a portion of an uplink-path-switch control process for dynamically controlling which of the UE's connections will be set as the UE's primary uplink path.

    Method and system for controlling interference between access nodes operating on adjacent TDD carriers with different TDD configurations
    10.
    发明授权
    Method and system for controlling interference between access nodes operating on adjacent TDD carriers with different TDD configurations 有权

    公开(公告)号：US11464021B1

    公开(公告)日：2022-10-04

    申请号：US17248800

    申请日：2021-02-08

    Applicant: Sprint Spectrum L.P.

    Inventor： Akin Ozozlu ,  Nagi Mansour ,  Noman M. Alam

    IPC: H04W72/08 ,  H04L5/14 ,  H04L5/00 ,  H04W72/04

    Abstract: A first access node that is operating on a first TDD carrier having a first TDD configuration will determine that a second TDD carrier on which a proximate second access node is operating has a different, second TDD configuration, such that there is at least one time interval in which the first TDD carrier is downlink concurrently with the second TDD carrier being uplink. In response to at least this determination, the first access node will then transition to a mode in which, during the time interval, the first access node will operate with reduced transmission power on a frequency portion of the first TDD carrier that is closest in frequency to the second TDD carrier. Further, the first access node could allocate the lower-transmission-power frequency portion for use in transmission to served devices deemed to be in at least predefined threshold high quality coverage of the first access node.

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