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公开(公告)号：US20230119693A1
公开(公告)日：2023-04-20
申请号：US17501987
申请日：2021-10-14
Applicant: Cisco Technology, Inc.
Inventor： Vimal Srivastava , Sri Gundavelli , Abhishek Dhammawat
Abstract: A system and method for dynamic enablement of a RLC mode of a Data Radio Bearer (DRB) based on UE radiofrequency (RF) conditions. A threshold value for a network characteristic is provided to a gNodeB. Changes in the network characteristic correlates to changes in RF channel conditions of the UE. The trigger configures the gNodeB to identify when the network characteristic meets the threshold value for selectively controlling operation of the gNodeB at one of a plurality of different operation modes including an initial radio link control (RLC) mode based on the network characteristic. A Protocol Data Unit (PDU) session is established with the gNodeB operating in an initial RLC mode with the possibility to dynamically switch to a different RLC mode based on RF channel conditions.
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公开(公告)号：US20220361081A1
公开(公告)日：2022-11-10
申请号：US17308763
申请日：2021-05-05
Applicant: Cisco Technology, Inc.
Inventor： Ravi Shekhar , Vimal Srivastava
Abstract: The present technology is directed to routing a user equipment (UE) to a network node, for example, a gNB or ng-eNB that supports a slice requirement of the UE. A first network node can receive a Radio Resource Control (RCC) connection request from a UE, and can determine that a slice requirement of the UE is not supported by the first network node. The first network node can further select a second network node that supports the slice requirement of the UE, and route the UE to connect to the second network node.
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公开(公告)号：US20220217815A1
公开(公告)日：2022-07-07
申请号：US17143625
申请日：2021-01-07
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Sangram Kishore Lakkaraju , Vimal Srivastava , Oliver James Bull
Abstract: A first data plane is established between a user equipment device and a gateway device, wherein the user equipment device comprises a 3rd Generation Partnership Project (3GPP) user equipment device, and wherein the first data plane comprises a 3GPP data plane. A second data plane is established between the gateway device and an anchor device, wherein the second data plane comprises a Proxy Mobile Internet Protocol version 6 (PMIPv6) data plane. Mobility management is performed for the user equipment device via communications between the gateway device and the anchor device.
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公开(公告)号：US20210385740A1
公开(公告)日：2021-12-09
申请号：US17412247
申请日：2021-08-25
Applicant: Cisco Technology, Inc.
Abstract: Systems and methods for providing access prioritization to a private Long Term Evolution (LTE) network operating in a Citizens Broadband Radio Service (CBRS) spectrum include receiving, at a network device of the private Long Term Evolution (LTE) network, a functional group associated with a user equipment (UE) and a traffic load of a cell of the private LTE network associated with the UE. An access priority associated with the functional group and the traffic load is determined and provided to a CBRS access point (AP) which controls access to the cell. The access priority indicates to the CBRS AP a priority with which the UE is allowed to access the cell and can include a high priority, a low priority, or no access indication.
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公开(公告)号：US20210136666A1
公开(公告)日：2021-05-06
申请号：US16672123
申请日：2019-11-01
Applicant: Cisco Technology, Inc.
Abstract: Systems and methods for providing access prioritization to a private Long Term Evolution (LTE) network operating in a Citizens Broadband Radio Service (CBRS) spectrum include receiving, at a network device of the private Long Term Evolution (LTE) network, a functional group associated with a user equipment (UE) and a traffic load of a cell of the private LTE network associated with the UE. An access priority associated with the functional group and the traffic load is determined and provided to a CBRS access point (AP) which controls access to the cell. The access priority indicates to the CBRS AP a priority with which the UE is allowed to access the cell and can include a high priority, a low priority, or no access indication.
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Patent Agency Ranking
公开(公告)号：US20210022103A1
公开(公告)日：2021-01-21
申请号：US16516737
申请日：2019-07-19
Applicant: Cisco Technology, Inc.
Inventor： Vimal Srivastava , Srinath Gundavelli
Abstract: Techniques are described to provide a network location service for a user equipment (UE) when the UE is not served by a 3GPP radio; thereby enabling radio resource selection by the UE for Autonomous PC5 based communications. In one example, a method includes receiving, by a mobility element of a network, an attach request from a UE, wherein the attach request indicates an attach type associated with a network location service. The method may further include communicating, based on the attach type being associated with the network location service, an attach accept to the UE to trigger a location request for the UE, wherein the attach accept is communicated to the UE without the mobility element authenticating the UE; and communicating location information to the UE based on the location request.
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公开(公告)号：US10284429B1
公开(公告)日：2019-05-07
申请号：US16058125
申请日：2018-08-08
Applicant: Cisco Technology, Inc.
Inventor： Ameo Ghosh , Anurag Chaturvedi , Vimal Srivastava
Abstract: Systems, methods, and computer-readable media are provided for modifying a network service of a requesting network member. A request, received from the requesting member, can include an identification of a sponsoring network member for a requested network service modification. A group can be generated and associated with the requesting member and with the sponsoring member. The group may also include a group policy referencing the requested network service modification. The sponsoring member can be provided with an activation key for activating the network service modification and a first network policy can be applied to the requesting member and a second network policy can be applied to the sponsoring member.
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公开(公告)号：US09942282B2
公开(公告)日：2018-04-10
申请号：US14880664
申请日：2015-10-12
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Srinath Gundavelli , Vimal Srivastava , Vojislav Vucetic
IPC: H04L29/06 , H04B1/3816
CPC classification number: H04L65/1073 , H04B1/3816 , H04L65/1006 , H04L65/1016 , H04L65/104 , H04L65/105 , H04L65/1069
Abstract: In one embodiment a router connects to a cellular network using at least one authentication credential stored on a smart card of the router. The router receives, from a client device coupled to the router, a Session Initiation Protocol (SIP) request to register with an Internet Protocol Multimedia Subsystem (IMS) network coupled to the cellular network. The router sends a SIP registration request for the client device to the IMS network, the SIP registration request comprising authorization information associated with the router, wherein the authorization information associated with the router is used by the IMS network to register the client device with the IMS network.
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49.发明申请SYSTEM AND METHOD FOR HANDLING STRAY SESSION REQUESTS IN A NETWORK ENVIRONMENT 审中-公开用于在网络环境中处理流程要求的系统和方法公开(公告)号：US20160345237A1
公开(公告)日：2016-11-24
申请号：US15202161
申请日：2016-07-05
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Paras Jain , Vimal Srivastava , Chitresh Yadav , Ravi K. Guntupalli
CPC classification number: H04W40/248 , H04L45/745 , H04L61/203 , H04L67/14 , H04L69/28 , H04W4/025 , H04W8/04 , H04W72/0493 , H04W74/004 , H04W76/18 , H04W80/10 , H04W88/02 , H04W88/08 , H04W88/16
Abstract: An example method is provided in one example embodiment and may include receiving a session request for a user equipment (UE) at a node, wherein the session request includes a timestamp for the UE and a retry count; determining if the session request is a stray session request; and maintaining session information for an existing session for the UE at the node if the session request is a stray session request. The method can include identifying the received session request as a stray request if the timestamp received in the request is less than a timestamp stored for an existing session for the UE. The method can also include identifying the received request as a stray request if the timestamp received is equal to the timestamp stored for the existing session and if the retry count received is less than or equal to a retry count stored for the session.
Abstract translation: 在一个示例实施例中提供了示例性方法，并且可以包括在节点处接收用于用户设备（UE）的会话请求，其中所述会话请求包括用于UE的时间戳和重试计数; 确定会话请求是否是杂散会话请求; 以及如果所述会话请求是杂散会话请求，则在所述节点处维护用于所述UE的现有会话的会话信息。 如果在请求中接收到的时间戳小于针对UE的现有会话存储的时间戳，则该方法可以包括将接收到的会话请求标识为杂散请求。 如果接收到的时间戳等于对于现有会话存储的时间戳并且接收到的重试计数小于或等于为会话存储的重试次数，则该方法还可以包括将接收到的请求标识为杂散请求。
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50.发明申请公开(公告)号：US20160135222A1
公开(公告)日：2016-05-12
申请号：US14540082
申请日：2014-11-13
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Paras Jain , Nithin Chitta , Vimal Srivastava
CPC classification number: H04W74/04 , H04L12/1407 , H04L41/0893 , H04M15/66 , H04W4/24 , H04W36/0033 , H04W36/0083 , H04W36/14 , H04W36/24 , H04W40/06 , H04W48/18 , H04W74/002 , H04W84/042 , H04W84/12
Abstract: An example method is provided in one example embodiment and may include receiving an indication of a radio access technology (RAT) change for a user equipment (UE); determining availability of a preferred RAT type for a policy related rule associated with the UE, wherein the policy related rule includes, at least in part, the preferred RAT type for one or more service data flows for the UE; and configuring the one or more service data flows for the UE based, at least in part, on a change in availability of the preferred RAT type following the RAT change. In at least one case, the method can include routing downlink packets to the UE using the one or more service data flows for the preferred RAT type if the preferred RAT type is available.
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