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    • 14. 发明授权
    • System and method for reduced feedback in multiuser multiple input, multiple output wireless communications
    • 用于多用户多输入,多输出无线通信的减少反馈的系统和方法
    • US08705443B2
    • 2014-04-22
    • US12711654
    • 2010-02-24
    • Yang TangPengfei XiaZhigang Rong
    • Yang TangPengfei XiaZhigang Rong
    • H04W4/00H04L12/16H04Q11/00H04L27/00
    • H04L25/0248H04B7/0452H04B7/0663H04L25/0204
    • A system and method for reduced feedback in MU-MIMO communications is provided. A method for transmitter operations includes transmitting a pilot signal, receiving channel information feedback from a set of K communications devices served by a transmitter, where K is a non-negative integer value and K≧2, selecting M communications devices out of the set of K communications devices, where M is a non-negative integer value and M≦K, computing a precoder for each of the M selected communications devices based on the channel information feedback, and simultaneously transmitting information to the M selected communications devices. The channel information feedback includes partial information for a communications channel between the transmitter and a communications device, the selecting being based on the channel information feedback, and the information transmitted to each communications device in the M selected communications devices being precoded using a computed precoder associated with the communications device.
    • 提供了一种用于MU-MIMO通信中的减少反馈的系统和方法。 一种用于发射机操作的方法包括:传输导频信号,从由发射机服务的一组K个通信设备接收信道信息反馈,其中K是非负整数值,K≥2,选择M个通信设备 K通信设备,其中M是非负整数值,并且M&NlE; K,基于信道信息反馈计算M个选择的通信设备中的每一个的预编码器,并且同时向M个选择的通信设备发送信息。 信道信息反馈包括用于发射机和通信设备之间的通信信道的部分信息,所述选择基于信道信息反馈,并且传输到M个选择的通信设备中的每个通信设备的信息使用计算的预编码器相关联进行预编码 与通信设备。
    • 15. 发明申请
    • System and Method for Direct Mobile Communications Power Control
    • 直接移动通信功率控制系统与方法
    • US20130244715A1
    • 2013-09-19
    • US13424078
    • 2012-03-19
    • Young Hoon KwonZhigang Rong
    • Young Hoon KwonZhigang Rong
    • H04W52/04H04W88/06H04W24/02
    • H04W52/242H04W52/243H04W52/244H04W52/367H04W52/383H04W76/14
    • A method for transmitting to a direct mobile communications (DMC) device by a user equipment operating in both a cellular mode and a DMC mode includes estimating a first pathloss of a first channel from the user equipment to a base station according to a difference between a known base station transmit power level and a received base station power level, and estimating a second pathloss of a second channel from the user equipment to the DMC device according to a difference between a known DMC device transmit power level and a received DMC device power level. The method also includes setting a transmit power level for transmission to the DMC device according to the first pathloss and the second pathloss, and transmitting a signal to the DMC device at the transmit power level.
    • 通过在蜂窝模式和DMC模式下操作的用户设备向直接移动通信(DMC)设备发送的方法包括:根据第一信道之间的差异来估计第一信道从用户设备到基站的第一路径损耗 已知基站发射功率电平和接收到的基站功率电平,并且根据已知的DMC设备发射功率电平和所接收的DMC设备功率电平之间的差异,从用户设备向DMC设备估计第二信道的第二路径损耗 。 该方法还包括根据第一路径损耗和第二路径损耗设置发送到DMC设备的发送功率电平,并以发送功率电平向DMC设备发送信号。
    • 19. 发明申请
    • METHOD AND SYSTEM FOR RESOURCE ALLOCATION FOR OFDM WIRELESS NETWORKS
    • OFDM无线网络资源分配方法与系统
    • US20080310528A1
    • 2008-12-18
    • US11836725
    • 2007-08-09
    • Anthony C.K. SoongJianmin LuZhigang Rong
    • Anthony C.K. SoongJianmin LuZhigang Rong
    • H04L27/28
    • H04L5/0007H04L5/0037H04L5/0046H04L5/0094H04W72/04H04W72/12
    • According to an embodiment, the present invention provides a method for providing resource allocation in a wireless communication network. The method includes providing an access provider that is configured to perform orthogonal frequency division multiplexing (OFDM). The access provider is configured to allocate transmission resources. The method also includes providing a first plurality of terminals that are wirelessly connected to the access provider. The method further includes assigning the first plurality of terminals to a first scheduling group that is associated with a first plurality of resources. The first plurality of resources includes at least a first resource. The method additionally includes providing a second plurality of terminals that are wirelessly connected to the access provider. The method further includes assigning the second plurality of terminals to a second scheduling group that is associated with a second plurality of resources.
    • 根据实施例,本发明提供了一种在无线通信网络中提供资源分配的方法。 该方法包括提供被配置为执行正交频分复用(OFDM)的接入提供商。 接入提供者被配置为分配传输资源。 该方法还包括提供无线连接到接入提供商的第一多个终端。 该方法还包括将第一多个终端分配给与第一多个资源相关联的第一调度组。 第一多个资源包括至少第一资源。 该方法还包括提供无线连接到接入提供商的第二多个终端。 该方法还包括将第二多个终端分配给与第二多个资源相关联的第二调度组。