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公开(公告)号：US10708122B1
公开(公告)日：2020-07-07
申请号：US16669406
申请日：2019-10-30
申请人： T-Mobile USA, Inc.
发明人： Chunming Liu , Amer Hamdan
摘要： A Quality of Service (QoS) improvement system and method for transport network fault detection and QoS improvement so that a telecommunication network service provider can analyze the root cause on chronic performance issues and recommend potential solutions is disclosed. The system runs performance analysis on each AAV (mobile backhaul) or other transport networks and collects performance related metrics data. The system then selects a subset of the data related to certain key performance indicators (KPIs), such as latency, jitter, packet loss ratio, and availability. On this subset of KPI-related data, the system applies clustering techniques to identify clusters with similar performance issues. For each cluster, the system binds the AAV performance KPI data with one or more of the following site features—health, location, vendor, market, service type, etc.—to create a cluster map. The system can then generate inferences on root causes of the performance issues.
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公开(公告)号：US20200169965A1
公开(公告)日：2020-05-28
申请号：US16778201
申请日：2020-01-31
申请人： T-Mobile USA, Inc.
发明人： Chunming Liu
摘要： For a cluster of cellular communication sites, the power consumption and data load of each site is measured over multiple time periods to determine an energy factor indicating the degree by which the power consumption of each site increases with increasing data load. The energy factors are then analyzed to determine coverage area sizes for the communications sites that will serve a given area while taking advantage of more efficient site to reduce overall power consumption of the cluster of sites. Transmission power levels are then adjusted at the sites to achieve these coverage area sizes.
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公开(公告)号：US09826414B2
公开(公告)日：2017-11-21
申请号：US14982581
申请日：2015-12-29
申请人： T-Mobile USA, Inc.
IPC分类号： H04W16/24 , H04W84/18 , H04W16/18 , H04W24/02 , H04L12/705
摘要： Systems and methods for designing cellular backhaul networks are disclosed. The system can include an Adaptive Graph Minimum Spanning Tree (AG-MST) algorithm to identify and connect stranded cellular sites at minimum cost. The system can compare pending bids for new connections such as, for example, new microwave or fiber optic links at stranded sites to provide new connectivity. The system can design a network that connects the maximum number of stranded sites at the minimum average cost per site.
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公开(公告)号：US20170105126A1
公开(公告)日：2017-04-13
申请号：US14982581
申请日：2015-12-29
申请人： T-Mobile USA, Inc.
摘要： Systems and methods for designing cellular backhaul networks are disclosed. The system can include an Adaptive Graph Minimum Spanning Tree (AG-MST) algorithm to identify and connect stranded cellular sites at minimum cost. The system can compare pending bids for new connections such as, for example, new microwave or fiber optic links at stranded sites to provide new connectivity. The system can design a network that connects the maximum number of stranded sites at the minimum average cost per site.
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公开(公告)号：US09510232B2
公开(公告)日：2016-11-29
申请号：US14327086
申请日：2014-07-09
申请人： T-Mobile USA, Inc.
发明人： Chunming Liu , Bryan Fleming
CPC分类号： H04W28/0289 , H04L43/0888 , H04W24/02 , H04W24/08 , H04W28/0284 , H04W28/10
摘要： Methods and computing systems for determining a committed information rate for a plurality of cell sites are described. Data associated with throughput of combined voice and data traffic communicated between a core network and the plurality of cellular sites is received. An oversubscription ratio for the committed information rate is determined based on a predetermined service outage threshold and a plurality of peak throughput values of the combined voice and data traffic over a plurality of time periods. An oversubscribed committed information rate for the plurality of cellular sites is determined based on the oversubscription ratio.
摘要翻译： 描述了用于确定多个小区站点的承诺信息速率的方法和计算系统。 接收与核心网络和多个蜂窝站点之间传送的组合语音和数据业务的吞吐量相关联的数据。 基于在多个时间段内组合的语音和数据业务的预定服务中断阈值和多个峰值吞吐量值来确定承诺信息速率的超额预订比率。 基于超额认购率来确定多个蜂窝站点的超额认购的承诺信息速率。
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公开(公告)号：US20160182255A1
公开(公告)日：2016-06-23
申请号：US14575338
申请日：2014-12-18
申请人： T-MOBILE USA, INC.
发明人： Chunming Liu , Bryan Fleming
CPC分类号： H04L12/465 , H04L12/4633 , H04L12/4645 , H04L45/04 , H04L2212/00
摘要： Methods and computing systems for tunneling in a carrier transport network are described. An Internet Protocol (IP) packet having a destination IP address of a destination cellular site of a cellular cluster is received. A frame is formed with the IP packet placed into a payload portion of the frame. An outer Virtual Local Area Network (VLAN) tag that identifies a network of the cellular cluster to a first carrier network is added to the frame, and an inner VLAN tag that identifies the network of the cellular cluster to a second carrier is added. The first carrier network and the second carrier network are coupled via at least one network-to-network interface. The frame, including the IP packet, is forwarded to a provider edge switch of the first carrier network.
摘要翻译： 描述了在载波传输网络中隧道化的方法和计算系统。 接收到具有蜂窝群的目的地蜂窝站点的目的地IP地址的因特网协议（IP）分组。 一帧形成有IP分组放置在帧的有效载荷部分中。 将标识蜂窝群集网络到第一载波网络的外部虚拟局域网（VLAN）标签添加到帧中，并且添加将蜂窝群集网络识别到第二载波的内部VLAN标签。 第一载波网络和第二载波网络经由至少一个网络到网络接口耦合。 包括IP分组的帧被转发到第一运营商网络的提供商边缘交换机。
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公开(公告)号：US09100863B2
公开(公告)日：2015-08-04
申请号：US13722118
申请日：2012-12-20
申请人： T-Mobile USA, Inc.
发明人： Chunming Liu
摘要： A mobile carrier may selectively offload backhaul data traffic between cell sites and the core network to existing alternative relay networks to increase available backhaul bandwidth to meet higher data traffic demands without adding additional network ‘infrastructure. Data traffic may be offloaded from a cellular network to the alternative relay network based on at least one of a bandwidth capacity of the alternative relay network, a bandwidth availability of the alternative relay network, or a data class of the data. The amount of data that is offloaded to the alternative relay network may then be adjusted based on a blocking probability that is calculated for the alternative relay network.
摘要翻译： 移动运营商可以选择性地将小区站点和核心网络之间的回程数据业务卸载到现有的替代中继网络，以增加可用的回程带宽以满足更高的数据业务需求而不增加额外的网络基础设施。 可以基于替代中继网络的带宽容量，替代中继网络的带宽可用性或数据的数据类别中的至少一个，将数据业务从蜂窝网络卸载到替代中继网络。 然后可以基于为替代中继网络计算的阻塞概率来调整卸载到替代中继网络的数据量。
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公开(公告)号：US20140185531A1
公开(公告)日：2014-07-03
申请号：US13728493
申请日：2012-12-27
申请人： T-MOBILE USA, INC.
发明人： Chunming Liu , Bryan Fleming
IPC分类号： H04W40/34
CPC分类号： H04L45/125 , H04L45/302 , H04L45/66
摘要： A provider equipment having a backhaul resiliency module operable to determine multiple, alternative communication paths in a backhaul portion of a telecommunication network and then compare the different, alternative communication paths, based on their respective backhaul component reuse, to identify one or more resilient communication paths as options for a particular backhaul communication. The provider equipment can then select a preferred resilient communication path for either an uplink or a downlink of the backhaul network. Each of the alternative communication paths can correspond to a unique combination of Carrier Ethernet nodes and links that connect pairs of provider equipment devices located on opposing sides of a Carrier Ethernet, such as on a RAN side, an MSO side, or another Network side of the telecommunication network).
摘要翻译： 具有回程弹性模块的提供商设备，其可操作以确定电信网络的回程部分中的多个备选通信路径，然后基于它们各自的回程组件重用来比较不同的备选通信路径，以识别一个或多个弹性通信路径 作为特定回程通信的选项。 然后，提供商设备可以为回程网络的上行链路或下行链路选择优选的弹性通信路径。 每个替代通信路径可以对应于运营商以太网节点和链路的唯一组合，所述链路将位于运营商以太网的相对侧上的提供商设备设备的对，例如在RAN侧，MSO侧或另一个网络侧 电信网络）。
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公开(公告)号：US20210037480A1
公开(公告)日：2021-02-04
申请号：US17076461
申请日：2020-10-21
申请人： T-Mobile USA, Inc.
发明人： Chunming Liu
摘要： For a cluster of cellular communication sites, the power consumption and data load of each site is measured over multiple time periods to determine an energy factor indicating the degree by which the power consumption of each site increases with increasing data load. The energy factors are then analyzed to determine coverage area sizes for the communications sites that will serve a given area while taking advantage of more efficient site to reduce overall power consumption of the cluster of sites. Transmission power levels are then adjusted at the sites to achieve these coverage area sizes.
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公开(公告)号：US20190059008A1
公开(公告)日：2019-02-21
申请号：US15681132
申请日：2017-08-18
申请人： T-Mobile USA, Inc.
发明人： Chunming Liu
摘要： A wireless communication network provides various services to its subscribers. Techniques and architecture described herein allow performance measuring and monitoring of the wireless communication network and developing a prediction model for predicting causes of faults within the wireless communication network. Such techniques allow for gathering of key performance indicator (KPI) performance measurements between points within the wireless communication network. The performance measurements can include evaluating nodes, links, subnetworks, etc., within the wireless communication network. Based upon the performance measurements and historical data, a prediction model can be developed that can be used to predict a likely possible cause of a future fault within the wireless communication network.
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