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    • 11. 发明申请
    • Downlink Control Signaling for a Backhaul Link
    • 用于回程链路的下行链路控制信令
    • US20140254468A1
    • 2014-09-11
    • US13520816
    • 2010-01-08
    • Bernhard RaafGilles CharbitXiangguang CheErlin ZengLars Lindh
    • Bernhard RaafGilles CharbitXiangguang CheErlin ZengLars Lindh
    • H04W16/26
    • H04W16/26H04B7/15528H04W52/325H04W52/38H04W56/003H04W84/047
    • In one exemplary embodiment of the invention, a method includes: sending, within at least one of a first and a second symbol time, a first transmission having first downlink control information from a network access node to a first mobile node located within a first cell serviced by the network access node; and sending, within at least a third symbol time, a second transmission having second downlink control information from the network access node to a relay node over a wireless communication link that is a backhaul link, where the second transmission is configured to enable the relay node to send, within the first symbol time, a third transmission having third downlink control information from the relay node to a second mobile node located within a second cell serviced by the relay node, where the second cell is different from the first cell.
    • 在本发明的一个示例性实施例中,一种方法包括:在第一和第二符号时间的至少一个内发送具有第一下行链路控制信息的第一传输,该第一传输具有从网络接入节点到位于第一小区内的第一移动节点 由网络接入节点服务; 以及在至少第三符号时间内,通过作为回程链路的无线通信链路,将具有第二下行链路控制信息的第二传输从所述网络接入节点发送到中继节点,其中所述第二传输被配置为使能所述中继节点 在第一符号时间内发送具有第三下行链路控制信息的第三传输,该第三传输从中继节点到由中继节点服务的第二小区内的第二移动节点,其中第二小区与第一小区不同。
    • 16. 发明授权
    • Method, apparatus and computer program for downlink MU-MIMO power settings and control
    • 用于下行MU-MIMO功率设置和控制的方法,装置和计算机程序
    • US08326341B2
    • 2012-12-04
    • US12489862
    • 2009-06-23
    • Klaus HugiTimo RomanLars Lindh
    • Klaus HugiTimo RomanLars Lindh
    • H04B7/00
    • H04W52/143H04L5/0023H04L5/0041H04W48/08H04W52/346H04W52/36H04W52/42H04W72/0453
    • A set of J predetermined power level offsets that scale transmission power per user are stored in a local computer-readable memory. A set of N users to which are allocated overlapping downlink frequency resources are selected. From the stored set is then selected a power level offset. An indication of the selected power level offset is signaled to at least one of the N users; and the at least one of the N users are also sent a multiplexed transmission using the selected power level offset. N is an integer at least equal to two, J is an integer at least equal to two, and at least one member of the set is other than 1/n in which n is any positive integer less than Nmax in which Nmax is a maximum number of users that can be multiplexed together. Various embodiments include an apparatus such as a network access node, a method, and a stored computer program. Also detailed are apparatus and method and stored computer program for practicing the invention from the perspective of the user/UE.
    • 将每个用户的发送功率缩小的一组J个预定功率电平偏移量存储在本地计算机可读存储器中。 选择一组分配重叠的下行链路频率资源的N个用户。 然后从存储的集合中选择功率电平偏移。 所选择的功率电平偏移的指示被发送给N个用户中的至少一个; 并且N个用户中的至少一个也使用所选择的功率电平偏移发送多路传输。 N是至少等于2的整数,J是至少等于2的整数,并且该集合中的至少一个成员不是1 / n,其中n是小于Nmax的任何正整数,其中N max是最大值 可以多路复用的用户数。 各种实施例包括诸如网络接入节点,方法和存储的计算机程序的装置。 还详细描述了从用户/ UE的角度来实践本发明的装置和方法以及存储的计算机程序。
    • 18. 发明申请
    • Processing of an OFDM signal
    • OFDM信号的处理
    • US20060126764A1
    • 2006-06-15
    • US11007237
    • 2004-12-09
    • Carl EklundLars Lindh
    • Carl EklundLars Lindh
    • H03D1/00
    • H04L27/3411H04L27/2614
    • The invention relates to an OFDM-transmitter, comprising means for transforming (400) data to be transmitted in frequency-to-time transformation to a basic waveform containing waveform components representing subbands of the spectrum of the signal. The transmitter comprises means for forming (402) at least one alternative waveform from components of the basic waveform, where at least one component in the alternative waveform is delayed in time, and means for selecting (414) a waveform for transmission from the group of waveforms, containing the basic waveform and the at least one alternative waveform. The invention also relates to a method for transmitting an OFDM signal, a method for processing an OFDM signal and an OFDM signal processing arrangement.
    • 本发明涉及一种OFDM发射机,包括用于将要在频率 - 时间变换中发射的数据(400)变换成包含表示信号频谱的子带的波形分量的基本波形的装置。 发射机包括用于从基本波形的分量形成(402)至少一个替代波形的装置,其中替代波形中的至少一个分量在时间上被延迟,以及用于从 波形,包含基本波形和至少一个替代波形。 本发明还涉及OFDM信号的发送方法,OFDM信号的处理方法以及OFDM信号处理装置。
    • 19. 发明申请
    • MULTIPLE USER MIMO INTERFERENCE SUPPRESSION COMMUNICATIONS SYSTEM AND METHODS
    • 多用户MIMO干扰抑制通信系统和方法
    • US20120113794A1
    • 2012-05-10
    • US13147352
    • 2010-01-28
    • Timo RomanCássio RibeiroTommi KoivistoLars Lindh
    • Timo RomanCássio RibeiroTommi KoivistoLars Lindh
    • H04J1/12H04W24/00
    • H04B7/0452H04W72/1289
    • Systems and methods for providing an efficient mechanism for transmitting interference vectors to communications terminals, such as user equipments (UEs), in an over the air radio telecommunications network with spatially multiplexed multiple user multiple input multiple output (MU-MIMO) capability. A new pre-coding information downlink channel is defined. Messages containing semi-persistent interference vector information for MU-MIMO user equipment are defined and transmitted over the new channel in a manner that allows infrequent transmission and efficient use of resources. Using the interference vectors and applying inter-user interference adaptation to received messages, the UEs may receive spatially multiplexed MIMO transmissions and actively remove inter-user interference after reception of the messages. Compression of the pre-coding vector information transmitted over the pre-coding information channel may result in additional increases in efficiency in the system.
    • 用于提供用于通过空间多路复用多用户多输入多输出(MU-MIMO)能力在空中无线电电信网络中向诸如用户设备(UE)的通信终端发送干扰矢量的有效机制的系统和方法。 定义新的预编码信息下行链路信道。 包含用于MU-MIMO用户设备的半持续干扰矢量信息的消息通过新信道以允许频繁传输和有效利用资源的方式被定义和传输。 使用干扰向量并对接收的消息应用用户间干扰适应,UE可以接收空间复用的MIMO传输,并且在接收到消息之后主动消除用户间干扰。 通过预编码信息信道传送的预编码矢量信息的压缩可能导致系统效率的额外增加。