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公开(公告)号：US09042937B2
公开(公告)日：2015-05-26
申请号：US14093565
申请日：2013-12-02
Applicant: NEC Laboratories America, Inc.
Inventor： Honghai Zhang , Narayan Prasad , Sampath Rangarajan
CPC classification number: H04W52/146 , H04W52/08 , H04W52/10 , H04W52/242 , H04W52/243
Abstract: A method for uplink power control implemented in a wireless communications system including one or more user equipment, a serving base station, and at least one neighboring base station is disclosed. The method comprises measuring, at each user equipment, pathloss, sending, from each user equipment to the serving base station, the pathloss, and determining, at the serving base station, uplink transmit power based on the pathloss. Other methods, systems, and apparatuses also are disclosed.
Abstract translation: 公开了一种在包括一个或多个用户设备，服务基站和至少一个相邻基站的无线通信系统中实现的上行链路功率控制的方法。 该方法包括在每个用户设备处测量路径损耗，从每个用户设备向服务基站发送路径损耗，以及基于路径损耗在服务基站确定上行链路发射功率。 还公开了其它方法，系统和装置。
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公开(公告)号：US09369391B2
公开(公告)日：2016-06-14
申请号：US14220837
申请日：2014-03-20
Applicant: NEC Laboratories America, Inc.
Inventor： Rajesh Mahindra , Sampath Rangarajan , Honghai Zhang
IPC: H04L12/801 , H04L12/853 , H04L12/851 , H04L12/841 , H04L12/823
CPC classification number: H04L47/19 , H04L47/2416 , H04L47/2433 , H04L47/283 , H04L47/32
Abstract: Methods and systems for data flow control include establishing a first connection between a gateway and a network client responsive to a connection request from the network client; establishing a second connection between the gateway and a server specified by the connection request; determining a user class for the network client based on a level of network congestion detected at the gateway based on throughput and round-trip-time delays; modifying a data flow received at the gateway on the second connection to remove data from the flow based on the determined user class of the network client; and transmitting the modified data flow to the network client via the first connection.
Abstract translation: 用于数据流控制的方法和系统包括响应于来自网络客户端的连接请求建立网关与网络客户端之间的第一连接; 建立网关与由连接请求指定的服务器之间的第二连接; 基于吞吐量和往返时间延迟，基于在网关处检测到的网络拥塞的级别来确定网络客户端的用户类别; 修改在第二连接处在网关处接收的数据流，以基于所确定的网络客户端的用户类别从流中移除数据; 以及经由所述第一连接将修改的数据流发送到所述网络客户端。
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公开(公告)号：US20130237239A1
公开(公告)日：2013-09-12
申请号：US13787985
申请日：2013-03-07
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： Rajesh Mahindra , Mohammad A. Khojastepour , Sampath Rangarajan , Honghai Zhang
IPC: H04W16/14
Abstract: A method implemented in an apparatus used in a radio access network (RAN) sharing system including a plurality of basestations is disclosed. The method includes estimating resource requirement or demand of one or more entities in each base station according to feedback from the plurality of basestations, computing resource allocation for said one or more entities, and enforcing the computed resource allocation using basestation-level virtualization. Other methods, apparatuses, and systems also are disclosed.
Abstract translation: 公开了一种在包括多个基站的无线电接入网络（RAN）共享系统中使用的装置中实现的方法。 该方法包括根据来自多个基站的反馈来估计每个基站中的一个或多个实体的资源需求或需求，计算所述一个或多个实体的资源分配，以及使用基站级虚拟化来执行所计算的资源分配。 还公开了其它方法，装置和系统。
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4.发明授权公开(公告)号：US08923239B2
公开(公告)日：2014-12-30
申请号：US14247431
申请日：2014-04-08
Applicant: NEC Laboratories America, Inc.
Inventor： Ravindranath Kokku , Rajesh Mahindra , Honghai Zhang , Sampath Rangarajan
IPC: H04B1/26 , H04W72/04 , H04L12/875 , H04W28/02 , H04W88/08
CPC classification number: H04W72/0433 , H04L47/564 , H04W28/02 , H04W88/08
Abstract: A basestation used in a wireless communications system is disclosed. The basestation includes a plurality of flow management schedulers, wherein the base station receives an indication of function selection from an entity, and wherein the base station chooses for the entity one of the plurality of flow management schedulers according to the indication of function selection. Other methods, apparatuses, and systems also are disclosed.
Abstract translation: 公开了一种在无线通信系统中使用的基站。 基站包括多个流管理调度器，其中基站从实体接收功能选择的指示，并且其中基站根据功能选择的指示为多个流管理调度器中的一个选择实体。 还公开了其它方法，装置和系统。
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公开(公告)号：US08874125B2
公开(公告)日：2014-10-28
申请号：US13787985
申请日：2013-03-07
Applicant: NEC Laboratories America, Inc.
Inventor： Rajesh Mahindra , Mohammad A. Khojastepour , Sampath Rangarajan , Honghai Zhang
Abstract: A method implemented in an apparatus used in a radio access network (RAN) sharing system including a plurality of basestations is disclosed. The method includes estimating resource requirement or demand of one or more entities in each base station according to feedback from the plurality of basestations, computing resource allocation for said one or more entities, and enforcing the computed resource allocation using basestation-level virtualization. Other methods, apparatuses, and systems also are disclosed.
Abstract translation: 公开了一种在包括多个基站的无线电接入网络（RAN）共享系统中使用的装置中实现的方法。 该方法包括根据来自多个基站的反馈估计每个基站中的一个或多个实体的资源需求或需求，计算所述一个或多个实体的资源分配，以及使用基站级虚拟化来执行所计算的资源分配。 还公开了其它方法，装置和系统。
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Patent Agency Ranking
公开(公告)号：US20130254805A1
公开(公告)日：2013-09-26
申请号：US13903576
申请日：2013-05-28
Applicant: NEC Laboratories America, Inc.
Inventor： Rajesh Mahindra , Sampath Rangarajan , Honghai Zhang
IPC: H04N21/81
CPC classification number: H04N21/812 , G06Q30/0241 , H04L67/20 , H04L67/2847 , H04W4/00 , H04W28/0231
Abstract: Advertisements are shown to users when the queue underflows to avoid video stalls in players/plugins so users see minimum disruption in video quality. The advertisements are pre-fetched and cached at the mobile phone to schedule them during queue underflows. If there is no congestion in the network, the queue does no underflow and advertisements are shown only to meet ad contracts. During network congestion or disruption, the queue might underflow and specific advertisements are shown to equalize network unavailability until sufficient video data has been received.
Abstract translation: 当队列下溢时，向用户显示广告，以避免播放器/插件中的视频停滞，因此用户看到视频质量最小化。 在移动电话上预先抓取和缓存广告，以便在队列下溢期间进行安排。 如果网络中没有拥塞，则队列不会下溢，并且仅显示广告以满足广告合同。 在网络拥塞或中断期间，队列可能会下溢，并显示特定广告，以均衡网络不可用性，直到收到足够的视频数据。
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公开(公告)号：US20130155935A1
公开(公告)日：2013-06-20
申请号：US13716295
申请日：2012-12-17
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： Honghai Zhang , Jongwon Yoon , Sampath Rangarajan
IPC: H04N21/6405
CPC classification number: H04N21/6405 , H04N21/2383 , H04N21/2408 , H04N21/2662 , H04N21/6131 , H04W72/04
Abstract: A method for video multicast delivery for 4g wireless networks includes collecting client feedback and obtaining supportable modulation and coding scheme MCS for each client over a base station of wireless network, prioritizing video packets for said clients and setting a utility for each of the video packets; performing a radio resource allocation for determining a utility optimization for transmitted frames of the video packets; and assigning an MCS to each transmitted frame of the video packets, responsive to step performing a radio resource allocation
Abstract translation: 用于4g无线网络的视频多播传送的方法包括：通过无线网络的基站收集客户端反馈并为每个客户端获得可支持的调制和编码方案MCS，为所述客户端优先化视频分组并为每个视频分组设置效用; 执行无线电资源分配以确定所述视频分组的发送帧的效用优化; 以及响应于执行无线电资源分配的步骤，向所述视频分组的每个发送的帧分配MCS
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8.发明授权Dynamic and configuration based fractional frequency reuse for uneven load distributions 有权基于动态和配置的分数频率复用用于不均匀的负载分布公开(公告)号：US08942712B2
公开(公告)日：2015-01-27
申请号：US13970878
申请日：2013-08-20
Applicant: NEC Laboratories America, Inc.
Inventor： Honghai Zhang , Narayan Prasad , Sampath Rangarajan
CPC classification number: H04W72/0453 , H04B17/0085 , H04B17/0087 , H04B17/345 , H04B17/382 , H04W16/02 , H04W16/10
Abstract: A fractional frequency reuse method for assigning physical resource units of a contiguous frequency band to sectors of cells is disclosed. Each cell includes at least one base station, for transmission of data to users in the sectors The method comprises, for each cell, segmenting the frequency band such that each separate segment includes a first contiguous portion of physical resource units dedicated to all sectors of the cell in vicinities of the center of the cell and a second contiguous portion of physical resource units dedicated for use in only one of the sectors in the cell in an outer area of the cell, assigning each cell with a physical resource unit configuration such that the second contiguous portion of physical resource units of a sector of a given cell partially overlaps with the first contiguous portion of physical resource units in a segment including the second contiguous portion dedicated to the same sector of a cell neighboring the given cell, and transmitting the data to the users in the sectors in accordance with the assigned physical resource unit configurations. Other methods, apparatuses, and systems also are disclosed.
Abstract translation: 公开了一种用于将连续频带的物理资源单元分配给小区扇区的分数频率重用方法。 每个小区包括至少一个基站，用于向扇区中的用户传输数据。该方法包括：对于每个小区，对频带进行分段，使得每个分离的段包括专用于所述扇区的所有扇区的物理资源单元的第一连续部分 小区中心附近的小区以及专用于小区外区域中的小区中只有一个扇区的物理资源单元的第二连续部分，为每个小区分配物理资源单元配置，使得 给定小区的扇区的物理资源单元的第二连续部分部分地与包括专用于与所述给定小区相邻的小区的相同扇区的所述第二连续部分的段中的物理资源单元的第一连续部分重叠，并且发送所述数据 根据分配的物理资源单元配置向扇区中的用户发送。 还公开了其它方法，装置和系统。
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公开(公告)号：US20140286164A1
公开(公告)日：2014-09-25
申请号：US14220837
申请日：2014-03-20
Applicant: NEC Laboratories America, Inc.
Inventor： Rajesh Mahindra , Sampath Rangarajan , Honghai Zhang
IPC: H04W28/02
CPC classification number: H04L47/19 , H04L47/2416 , H04L47/2433 , H04L47/283 , H04L47/32
Abstract: Methods and systems for data flow control include establishing a first connection between a gateway and a network client responsive to a connection request from the network client; establishing a second connection between the gateway and a server specified by the connection request; determining a user class for the network client based on a level of network congestion detected at the gateway based on throughput and round-trip-time delays; modifying a data flow received at the gateway on the second connection to remove data from the flow based on the determined user class of the network client; and transmitting the modified data flow to the network client via the first connection.
Abstract translation: 用于数据流控制的方法和系统包括响应于来自网络客户端的连接请求建立网关与网络客户端之间的第一连接; 建立网关与由连接请求指定的服务器之间的第二连接; 基于吞吐量和往返时间延迟，基于在网关处检测到的网络拥塞的级别来确定网络客户端的用户类别; 修改在第二连接处在网关处接收的数据流，以基于所确定的网络客户端的用户类别从流中移除数据; 以及经由所述第一连接将修改的数据流发送到所述网络客户端。
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10.发明申请公开(公告)号：US20140233485A1
公开(公告)日：2014-08-21
申请号：US14247431
申请日：2014-04-08
Applicant: NEC Laboratories America, Inc.
Inventor： Ravindranath Kokku , Rajesh Mahindra , Honghai Zhang , Sampath Rangarajan
CPC classification number: H04W72/0433 , H04L47/564 , H04W28/02 , H04W88/08
Abstract: A basestation used in a wireless communications system is disclosed. The basestation includes a plurality of flow management schedulers, wherein the base station receives an indication of function selection from an entity, and wherein the base station chooses for the entity one of the plurality of flow management schedulers according to the indication of function selection. Other methods, apparatuses, and systems also are disclosed.
Abstract translation: 公开了一种在无线通信系统中使用的基站。 基站包括多个流管理调度器，其中基站从实体接收功能选择的指示，并且其中基站根据功能选择的指示为多个流管理调度器中的一个选择实体。 还公开了其它方法，装置和系统。
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