METHOD AND APPARATUS FOR DETERMINING CHANNEL QUALITY INDEX IN MULTIPLE USER-MIMO COMMUNICATION NETWORKS
    71.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING CHANNEL QUALITY INDEX IN MULTIPLE USER-MIMO COMMUNICATION NETWORKS 有权
    在多用户MIMO通信网络中确定通道质量指标的方法和装置

    公开(公告)号:US20130128820A1

    公开(公告)日:2013-05-23

    申请号:US13265639

    申请日:2010-04-21

    IPC分类号: H04W72/08 H04B7/04

    摘要: In order to minimize the control signaling overhead associated with transmitting CQI data from mobile stations to base stations in wireless communication networks supporting MU-MIMO, the CQI during MU-MIMO operation is estimated based on SU-MIMO CQI data, mobile station geometry data, and mobile station PMI (Precoding Matrix Index) data. More particularly, the base station maintains and updates a knowledge pool that correlates geometry data and learned impact of interfering precoder data to degradation of CQI values responsive to switching from SU-MIMO operation to MU-MIMO operations. Then, when the base station switches from SU-MIMO operation to MU-MIMO operation, it consults the knowledge pool to predict the degradation in CQI and subtracts them from the known, pre-switching SU-MIMO CQI feedback data for each relevant mobile station to predict the post-switching MU-MIMO CQIs for that mobile station.

    摘要翻译: 为了最小化支持MU-MIMO的无线通信网络中的将CQI数据从移动站发送到基站的控制信令开销,基于SU-MIMO CQI数据,移动站几何数据, 和移动台PMI(预编码矩阵索引)数据。 更具体地,基站维护和更新将几何数据与学习的干扰预编码器数据的影响相关联的知识库与响应于从SU-MIMO操作切换到MU-MIMO操作的CQI值劣化。 然后,当基站从SU-MIMO操作切换到MU-MIMO操作时,它咨询知识库以预测CQI中的劣化,并从每个相关移动站的已知的预切换SU-MIMO CQI反馈数据中减去它们 以预测该移动台的后切换MU-MIMO CQI。

    SYSTEMS AND METHODS FOR UPLINK SIGNALLING
    72.
    发明申请
    SYSTEMS AND METHODS FOR UPLINK SIGNALLING 有权
    上传信号的系统和方法

    公开(公告)号:US20120063409A1

    公开(公告)日:2012-03-15

    申请号:US12677438

    申请日:2008-09-11

    IPC分类号: H04W72/04 H04B1/707

    摘要: Methods, base stations and access terminals for uplink signalling are provided. Resource request channel characteristics such as location in time-frequency, sequence, time slot, are assigned to each access terminal to distinguish their resource requests from the resource requests of other access terminals. Access terminals make requests using a resource request on a resource request channel having the assigned characteristics. The base station can then determine which access terminal transmitted the resource request based on the resource request channel characteristics of the resource request channel upon which the resource request was received. The base station then transmits a response to the request which may for example be a new resource allocation, a default allocation or a renewal of a previous allocation.

    摘要翻译: 提供了用于上行链路信令的方法,基站和接入终端。 向每个接入终端分配资源请求信道特性,例如时频,序列,时隙中的位置,以将其资源请求与其他接入终端的资源请求区分开。 接入终端在具有分配特性的资源请求信道上使用资源请求进行请求。 然后,基站可以基于接收资源请求的资源请求信道的资源请求信道特性来确定哪个接入终端发送资源请求。 然后,基站发送对该请求的响应,该请求例如可以是新的资源分配,默认分配或先前分配的更新。

    METHOD AND SYSTEM FOR PROVIDING AN UPLINK STRUCTURE AND IMPROVED CHANNELIZATION SCHEME IN A WIRELESS COMMUNICATION NETWORK
    73.
    发明申请
    METHOD AND SYSTEM FOR PROVIDING AN UPLINK STRUCTURE AND IMPROVED CHANNELIZATION SCHEME IN A WIRELESS COMMUNICATION NETWORK 有权
    在无线通信网络中提供上行链路结构和改进的通道方案的方法和系统

    公开(公告)号:US20120039290A1

    公开(公告)日:2012-02-16

    申请号:US13264936

    申请日:2010-04-16

    IPC分类号: H04W72/04

    摘要: A method and system are provided to perform channelization in a wireless communication network, wherein the wireless communication network including at least one base station that is communicatively coupled to at least one mobile terminal. A bandwidth of the wireless communication network is divided into a plurality of zones at the base station. Resource blocks are provided at the base station to receive data symbols transmitted in the wireless communication network. A plurality of resource blocks are combined at the base station to form a physical basic channel unit which are allocated to one of the plurality of zones at the base station. A permutation is performed on the physical basic channel unit to form a logical basic channel unit. A channel is provided to communicatively couple the base station and the mobile terminal so that the mobile terminal may send an access grant message and a user identification to the base station to transmit data in the logical basic channel unit.

    摘要翻译: 提供了一种在无线通信网络中执行信道化的方法和系统,其中所述无线通信网络包括通信地耦合到至少一个移动终端的至少一个基站。 无线通信网络的带宽在基站被分成多个区域。 在基站处提供资源块以接收在无线通信网络中发送的数据符号。 在基站处组合多个资源块,以形成分配给基站的多个区域之一的物理基本信道单元。 在物理基本信道单元上执行置换以形成逻辑基本信道单元。 提供了一种通信来通信地耦合基站和移动终端,使得移动终端可以向基站发送接入许可消息和用户标识以在逻辑基本信道单元中发送数据。

    METHOD AND SYSTEM FOR PROVIDING AN UPLINK STRUCTURE AND MINIMIZING PILOT SIGNAL OVERHEAD IN A WIRELESS COMMUNICATION NETWORK
    74.
    发明申请
    METHOD AND SYSTEM FOR PROVIDING AN UPLINK STRUCTURE AND MINIMIZING PILOT SIGNAL OVERHEAD IN A WIRELESS COMMUNICATION NETWORK 有权
    在无线通信网络中提供上行链路结构和最小化导频信号的方法和系统

    公开(公告)号:US20110261781A1

    公开(公告)日:2011-10-27

    申请号:US12989044

    申请日:2009-04-21

    IPC分类号: H04W72/04

    摘要: A method and system are provided having an uplink control structure and a pilot signal having minimal signal overhead for providing channel estimation and data demodulation in a wireless communication network. The uplink control structures enable mobile terminals to communicate with corresponding base stations to perform various functions including obtaining initial system access, submitting a bandwidth request, triggering a continuation of negotiated service, or providing a proposed allocation re-configuration header. A dedicated random access channel is provided to communicatively couple the base station and the mobile terminal so that the mobile terminal can select a random access signaling identification. A resource request is received at the base station to uplink resource information from the mobile terminal and an initial access information request is received from the mobile terminal to configure the base station connection. Pilot signals with varying density configurations are provided to include low density symbol patterns for multiple contiguous resource blocks and high density symbol patterns for single resource blocks.

    摘要翻译: 提供一种方法和系统,其具有上行链路控制结构和具有最小信号开销的导频信号,用于在无线通信网络中提供信道估计和数据解调。 上行链路控制结构使得移动终端能够与相应的基站进行通信,以执行各种功能,包括获得初始系统访问,提交带宽请求,触发协商服务的继续或提供建议的分配重配置报头。 提供专用随机接入信道以通信地耦合基站和移动终端,使得移动终端可以选择随机接入信令标识。 在基站接收资源请求以从移动终端上行资源信息,并且从移动终端接收初始访问信息请求以配置基站连接。 提供具有不同密度配置的导频信号以包括用于多个连续资源块的低密度符号模式和用于单个资源块的高密度符号模式。

    System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation
    75.
    发明授权
    System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation 有权
    用于多载波和协调多点网络运行的虚拟载波的系统和方法

    公开(公告)号:US09014138B2

    公开(公告)日:2015-04-21

    申请号:US12537867

    申请日:2009-08-07

    IPC分类号: H04W72/04 H04B7/02 H04L5/00

    摘要: A method for implementing coordinated multi-point transmission and reception in a multi-carrier network system including a first serving network node and a second cooperating network node is disclosed. The method includes the steps of configuring a first transmission channel. The first transmission channel is established on the first serving network node. The method includes configuring a second transmission channel. The second transmission channel is established on the second cooperating node. The method includes transmitting control information using the first transmission channel. The control information allocates a resource on the second transmission channel and the second transmission channel is not established on the first serving network node.

    摘要翻译: 公开了一种在包括第一服务网络节点和第二协作网络节点的多载波网络系统中实现协调的多点传输和接收的方法。 该方法包括配置第一传输信道的步骤。 在第一服务网络节点上建立第一传输信道。 该方法包括配置第二传输信道。 在第二协作节点上建立第二传输信道。 该方法包括使用第一传输信道发送控制信息。 控制信息在第二传输信道上分配资源,而在第一服务网络节点上不建立第二传输信道。

    Downlink reference signal for type II relay
    78.
    发明授权
    Downlink reference signal for type II relay 有权
    用于II型继电器的下行链路参考信号

    公开(公告)号:US08817686B2

    公开(公告)日:2014-08-26

    申请号:US12817076

    申请日:2010-06-16

    摘要: A network comprising a relay node configured to transmit a first common reference signal (CRS) to a plurality of user agents (UAs) using a first plurality of physical antennas and/or virtual antennas, and an access node configured to transmit a second CRS to the UAs using a second plurality of physical antennas and/or virtual antennas, wherein the first CRS and the second CRS are combined for the same number of first and second physical antennas and/or virtual antennas. Also included is a network comprising a relay node configured to transmit a dedicated reference signal (DRS) to a UA using a first plurality of physical antennas and/or virtual antennas, and an access node configured to transmit a second DRS to the UA using a second plurality of physical antennas and/or virtual antennas, wherein the first DRS and the second DRS are transmitted at about the same time.

    摘要翻译: 一种网络,包括被配置为使用第一多个物理天线和/或虚拟天线向多个用户代理(UA)发送第一公共参考信号(CRS)的中继节点以及被配置为将第二CRS发送到 使用第二多个物理天线和/或虚拟天线的UA,其中第一CRS和第二CRS被组合用于相同数量的第一和第二物理天线和/或虚拟天线。 还包括一种网络,其包括被配置为使用第一多个物理天线和/或虚拟天线向UA发送专用参考信号(DRS)的中继节点,以及被配置为使用 第二多个物理天线和/或虚拟天线,其中第一DRS和第二DRS在大约相同的时间被发送。

    Systems and methods for network MIMO
    79.
    发明授权
    Systems and methods for network MIMO 有权
    网络MIMO的系统和方法

    公开(公告)号:US08537773B2

    公开(公告)日:2013-09-17

    申请号:US13620680

    申请日:2012-09-14

    IPC分类号: H04W4/00 H04J3/00

    摘要: Multiple-Input Multiple-Output (MIMO) systems and methods are provided for enabling network MIMO among base stations (BSs) and a mobile station (MS). A BS configure a network MIMO zone based on an indication of at least one other BS eligible for network MIMO. The network MIMO zone is defined by resources having at least time and frequency dimensions allocated for master transmission under control of the BS, or slave transmission under control of the other BS eligible for network MIMO. The BS can transmit data on the network MIMO zone to the MS. Where there is no data to transmit to the MS, the BS may transmit data on the network MIMO zone to another MS. To configure the network MIMO zone, the BS may look up in a table combinations of the eligible BSs associated with the indication.

    摘要翻译: 提供了多输入多输出(MIMO)系统和方法来实现基站(BS)和移动台(MS)之间的网络MIMO。 基于符合网络MIMO的至少一个其他BS的指示,BS配置网络MIMO区域。 网络MIMO区域由在BS的控制下分配给主传输的至少时间和频率尺寸的资源或在符合网络MIMO的其他BS的控制下的从属传输来定义。 BS可以将网络MIMO区域上的数据发送给MS。 在没有要发送到MS的数据的情况下,BS可以将网络MIMO区域上的数据发送到另一个MS。 为了配置网络MIMO区域,BS可以查找与指示相关联的合格BS的表格组合。