公开(公告)号：US08542640B2

公开(公告)日：2013-09-24

申请号：US12546471

申请日：2009-08-24

申请人： Sean A. Ramprashad ,  Xiaojun Tang ,  Haralabos C. Papadopoulos

发明人： Sean A. Ramprashad ,  Xiaojun Tang ,  Haralabos C. Papadopoulos

IPC分类号： H04W4/00

CPC分类号： H04W16/10

摘要： Methods, architectures and techniques of operating a joint beam-forming and user-selection system across multiple cells for downlink communication in a multi-cell environment. The system coordinates beamforming vector and user selection across multiple cells, but is cellular in the sense that users are served only from the transmission signals originating from one cell. There is provided methods, architectures and techniques to control the level and effect of inter-cell interference through a partially coordinated multi-cell process of user scheduling and beam selection based on the division of cells into different subsets. Multi-step techniques are utilized that can scale to large numbers of cells, specifying which operations remain as independent operations within a cell, and which operations, with what cells, require information exchange.

摘要翻译： 在多小区环境中跨多个小区操作联合波束形成和用户选择系统以进行下行链路通信的方法，架构和技术。 该系统协调跨多个单元的波束形成向量和用户选择，但是在仅从源自一个小区的传输信号向用户服务的意义上是蜂窝的。 提供了通过部分协调的用户调度的多小区过程和基于将小区划分成不同子集的波束选择来控制小区间干扰的水平和影响的方法，体系结构和技术。 利用可以扩展到大量单元的多步骤技术，指定哪些操作在单元内保持独立操作，哪些操作与哪些单元需要信息交换。

公开(公告)号：US20100056171A1

公开(公告)日：2010-03-04

申请号：US12546471

申请日：2009-08-24

申请人： Sean A. Ramprashad ,  Xiaojun Tang ,  Haralabos C. Papadopoulos

发明人： Sean A. Ramprashad ,  Xiaojun Tang ,  Haralabos C. Papadopoulos

IPC分类号： H04W72/00

CPC分类号： H04W16/10

摘要： Methods, architectures and techniques of operating a joint beam-forming and user-selection system across multiple cells for downlink communication in a multi-cell environment. The system coordinates beamforming vector and user selection across multiple cells, but is cellular in the sense that users are served only from the transmission signals originating from one cell. There is provided methods, architectures and techniques to control the level and effect of inter-cell interference through a partially coordinated multi-cell process of user scheduling and beam selection based on the division of cells into different subsets. Multi-step techniques are utilized that can scale to large numbers of cells, specifying which operations remain as independent operations within a cell, and which operations, with what cells, require information exchange.

摘要翻译： 在多小区环境中跨多个小区操作联合波束形成和用户选择系统以进行下行链路通信的方法，架构和技术。 该系统协调跨多个单元的波束形成向量和用户选择，但是在仅从源自一个小区的传输信号向用户服务的意义上是蜂窝的。 提供了通过部分协调的用户调度的多小区过程和基于将小区划分成不同子集的波束选择来控制小区间干扰的水平和影响的方法，体系结构和技术。 利用可以扩展到大量单元的多步骤技术，指定哪些操作在单元内保持独立操作，哪些操作与哪些单元需要信息交换。

公开(公告)号：US20130142183A1

公开(公告)日：2013-06-06

申请号：US13312631

申请日：2011-12-06

申请人： Hyun Ok Lee ,  Vibhav Kapnadak ,  Fereidoun Tafreshi ,  Xiaojun Tang ,  Ernest Tsui ,  Gustavo Enrique Ulffe Whu

发明人： Hyun Ok Lee ,  Vibhav Kapnadak ,  Fereidoun Tafreshi ,  Xiaojun Tang ,  Ernest Tsui ,  Gustavo Enrique Ulffe Whu

IPC分类号： H04W24/00 ,  H04B17/00 ,  H04B7/24

CPC分类号： H04W72/046 ,  H04L5/0057 ,  H04W24/02 ,  H04W24/08 ,  H04W24/10 ,  H04W72/08 ,  H04W88/08

摘要： Systems, methods, and apparatus for cluster-based optimization of antenna tilts in a wireless network are presented herein. A screening component can receive information indicating wireless conditions of respective wireless access points of a geographical region, select, based on a performance criterion, an access point of the respective wireless access points, and group the access point and an other access point of the respective wireless access points into a representation of a cluster of access points. Further, an optimization component can derive antenna tilt values for respective access points of the cluster of the access points in response to a simulation of an application of the antenna tilt values to the respective access points. Furthermore, an implementation component can direct the antenna tilt values to respective components of the respective access points.

摘要翻译： 本文介绍了用于无线网络中天线倾斜的基于簇优化的系统，方法和装置。 筛选部件可以接收指示地理区域的各个无线接入点的无线状况的信息，基于性能标准，选择各个无线接入点的接入点，并对接入点和相应的无线接入点的其他接入点进行分组 无线接入点成为一组接入点的表示。 此外，响应于对各个接入点的天线倾斜值的应用的仿真，优化部件可以导出接入点的簇的相应接入点的天线倾斜值。 此外，实施部件可以将天线倾斜值引导到各个接入点的相应部件。

公开(公告)号：US08971302B2

公开(公告)日：2015-03-03

申请号：US13312631

申请日：2011-12-06

申请人： Hyun Ok Lee ,  Vibhav Arun Kapnadak ,  Fereidoun Tafreshi ,  Xiaojun Tang ,  Ernest Tinyork Tsui ,  Gustavo Enrique Ulffe Whu

发明人： Hyun Ok Lee ,  Vibhav Arun Kapnadak ,  Fereidoun Tafreshi ,  Xiaojun Tang ,  Ernest Tinyork Tsui ,  Gustavo Enrique Ulffe Whu

IPC分类号： H04W24/00

CPC分类号： H04W72/046 ,  H04L5/0057 ,  H04W24/02 ,  H04W24/08 ,  H04W24/10 ,  H04W72/08 ,  H04W88/08

摘要： Systems, methods, and apparatus for cluster-based optimization of antenna tilts in a wireless network are presented herein. A screening component can receive information indicating wireless conditions of respective wireless access points of a geographical region, select, based on a performance criterion, an access point of the respective wireless access points, and group the access point and an other access point of the respective wireless access points into a representation of a cluster of access points. Further, an optimization component can derive antenna tilt values for respective access points of the cluster of the access points in response to a simulation of an application of the antenna tilt values to the respective access points. Furthermore, an implementation component can direct the antenna tilt values to respective components of the respective access points.

摘要翻译： 本文介绍了用于无线网络中天线倾斜的基于簇优化的系统，方法和装置。 筛选部件可以接收指示地理区域的各个无线接入点的无线状况的信息，基于性能标准，选择各个无线接入点的接入点，并对接入点和相应的无线接入点的其他接入点进行分组 无线接入点成为一组接入点的表示。 此外，响应于对各个接入点的天线倾斜值的应用的仿真，优化部件可以导出接入点的簇的相应接入点的天线倾斜值。 此外，实施部件可以将天线倾斜值引导到各个接入点的相应部件。