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    • 2. 发明申请
    • ANTENNA ARRANGEMENT FOR MULTI-STREAM COMMUNICATION IN A MIMO CHANNEL
    • MIMO通道中多通道通信的天线布置
    • WO2010040369A1
    • 2010-04-15
    • PCT/EP2008/008511
    • 2008-10-09
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)LINDGREN, UlfHAGERMAN, Bo
    • LINDGREN, UlfHAGERMAN, Bo
    • H04B7/06H04B7/04
    • H04B7/0691H04B7/0417H04B7/0602H04B7/0639
    • The present invention relates to a multi-stream communication system comprising a transmitting node provided with a polyphase antenna and a receiving node provided with an antenna arrangement configured to receive multiple data streams. The polyphase antenna has at least one group of multiple antenna elements, each group having N antenna elements. The transmitting node is also provided with at least one radio chain and a switch for each radio chain arranged to cyclically connect each radio chain to the antenna elements in one of the groups. The switch is configured to operate with a switching frequency f sw . The transmitting node is further configured to transmit M weighted symbols of an uncorrelated signal from each antenna element in each group, the M weighted symbols being less than or equal to N, and the receiving node is further configured to convert the received N data streams into each respective uncorrelated signal.
    • 多流通信系统技术领域本发明涉及一种多流通信系统,包括:具有多相天线的发送节点和配置有接收多个数据流的天线配置的接收节点。 多相天线具有至少一组多个天线元件,每组具有N个天线元件。 发射节点还设置有至少一个无线电链和用于每个无线电链的交换机,其被布置为将每个无线电链周期性地连接到组中的一个中的天线元件。 开关配置为以开关频率fsw运行。 发送节点还被配置为从每个组中的每个天线元件发送不相关信号的M个加权符号,M个加权符号小于或等于N,并且接收节点还被配置为将接收到的N个数据流转换成 各自不相关的信号。
    • 3. 发明申请
    • METHODS AND ARRANGEMENTS IN A WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统中的方法和安排
    • WO2012150881A1
    • 2012-11-08
    • PCT/SE2011/050554
    • 2011-05-03
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)SIMONSSON, ArneBURSTRÖM, PerDE BRUIN, PeterHAGERMAN, BoSKILLERMARK, Per
    • SIMONSSON, ArneBURSTRÖM, PerDE BRUIN, PeterHAGERMAN, BoSKILLERMARK, Per
    • H04W72/12
    • H04W72/12H04B7/024H04W16/06H04W92/20
    • Method and arrangement (600) in a first network node (120-1), serving a first cell (130-1), for forming a coordination group for coordinating multipoint wireless communication. Th method comprising determining (502) interference within the first cell (130-1 ). Also, th method comprises identifying (503) a second network node (120-2), which is either transmitting radio signals causing the interference, serving a user equipment (110-1), which transmits radio signals causing the interference, or being the intended recipient o radio signals causing the interference. Additionally, the method comprises transmitting (504) a token to the identified second network node (120-2), inviting it to coordinate the wireless communication. Furthermore, in addition, if acceptance is received, the method comprises forming (505) a coordination group together with the second network node (120-2), and coordinate the wireless communication. Further, a method and arrangement (800) in a second network node (120-2) is presented.
    • 服务于第一小区(130-1)的第一网络节点(120-1)中的方法和装置(600),用于形成用于协调多点无线通信的协调组。 Th方法包括确定(502)第一小区(130-1)内的干扰。 此外,该方法包括:识别(503)发送导致干扰的无线电信号的第二网络节点(120-2),服务于发送引起干扰的无线电信号的用户设备(110-1),或者是 预期收件人o造成干扰的无线电信号。 另外,该方法包括向识别的第二网络节点(120-2)发送(504)令牌,邀请它协调无线通信。 此外,另外,如果接收到接受,则该方法包括与第二网络节点(120-2)一起形成(505)协调组,并协调无线通信。 此外,呈现第二网络节点(120-2)中的方法和布置(800)。
    • 5. 发明申请
    • BASE STATION AND METHOD FOR VERTICAL TILT ANTENNA BEAM SWEEPING
    • 用于垂直倾斜天线波束扫描的基站和方法
    • WO2010073101A1
    • 2010-07-01
    • PCT/IB2009/007852
    • 2009-12-21
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)HAGERMAN, BoMOLNAR, Karl
    • HAGERMAN, BoMOLNAR, Karl
    • H04W16/28
    • H04W16/28H01Q1/246H01Q3/04H01Q3/08H04L1/0026H04L1/1812H04W36/00H04W72/085H04W72/1231H04W88/08
    • A base station and method are described herein that vertically sweeps an antenna beam (606) within a cell (610) to improve the signal quality at scheduled times for a user terminal (618) located within a coverage area of the cell. In one embodiment, the method improves a signal quality for a user terminal by: (a) vertically sweeping a beam (606) within a cell coverage area (610) to vary a signal quality at scheduled times for the user terminal (618a) located within the cell coverage area; and (b) performing one or more scheduling functions while taking into account variations in the vertical sweep of the antenna beam. For instance, the scheduling function (s) can include a link adaptation function, a resource allocation function, a user admittance/dropping function, a handover function, and/or a hybrid automatic repeat request function.
    • 本文描述了基站和方法,其垂直地扫描小区(610)内的天线波束(606),以便在位于小区的覆盖区域内的用户终端(618)的调度时间改善信号质量。 在一个实施例中,该方法通过以下步骤来改善用户终端的信号质量:(a)垂直扫描小区覆盖区域(610)内的波束(606),以在所设置的用户终端(618a)的调度时间改变信号质量 在小区覆盖区域内; 和(b)在考虑天线波束的垂直扫描的变化的同时执行一个或多个调度功能。 例如,调度功能可以包括链路适配功能,资源分配功能,用户导纳/删除功能,切换功能和/或混合自动重传请求功能。
    • 6. 发明申请
    • METHODS AND ARRANGEMENTS IN A MOBILE TELECOMMUNICATION NETWORK
    • 移动通信网络中的方法和安排
    • WO2007049998A1
    • 2007-05-03
    • PCT/SE2005/001605
    • 2005-10-26
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)HAGERMAN, BoGUNNARSSON, Fredrik
    • HAGERMAN, BoGUNNARSSON, Fredrik
    • H04Q7/00H04B7/216H04B1/38
    • H04W72/082H04B1/7097H04B2201/70702
    • The present invention relates to a first unit adapted to be used in a base station in a mobile telecommunication network adapted to use an identity for identifying a mobile terminal or for identifying a channel in the uplink. The first unit comprises means for managing information of at least one additional identity of a mobile terminal or a channel, belonging to at least a second base station, it should be aware of for interference mitigation purposes, preferably means for detecting whether the mobile terminal or channel identified by said additional identity is active and means for mitigating cell-interference caused by an active mobile terminal or a channel identified by the additional identity. The invention also relates to a second unit comprising means for reserving at least one identity for identifying a mobile terminal or for identifying a channel in order to make the at least one identity identifiable to at least a second base station.
    • 本发明涉及一种适于在移动电信网络中的基站中使用的第一单元,其适于使用用于识别移动终端的标识或用于在上行链路中识别信道。 第一单元包括用于管理属于至少第二基站的移动终端或信道的至少一个附加身份的信息的装置,其应当注意干扰减轻目的,优选地用于检测移动终端或 由所述附加标识识别的信道是有效的,并且用于减轻由活动移动终端或由附加身份标识的信道引起的小区干扰的装置。 本发明还涉及第二单元,其包括用于保留用于识别移动终端的至少一个身份或用于识别信道以便使至少一个身份可被至少第二基站识别的装置。
    • 8. 发明申请
    • METHOD AND ARRANGEMENTS FOR LOAD BALANCING OF POWER AMPLIFIERS
    • 功率放大器负载平衡的方法和布置
    • WO2008033089A2
    • 2008-03-20
    • PCT/SE2007/050628
    • 2007-09-06
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)GÖRANSSON, BoHAGERMAN, Bo
    • GÖRANSSON, BoHAGERMAN, Bo
    • H04B7/04
    • H04B7/0697H04B1/707H04B2001/70724
    • The present invention relates to a transmit unit, a control unit and a method in a transmit unit comprising at least two antennas for transmitting signals relating to a plurality of radio channels. The transmit unit transmit signals relating to a first subset of channels from the first antenna and pilot signals from the first antenna for use a reference for the first subset of channels. The transmit unit is further arranged to transmit signals relating to a second subset of channels from the second antenna using single antenna transmission. The transmit unit also transmits pilot signals on a second type of pilot channel such as the S-CPICH, different from the first type of pilot channel, from the second antenna for use as a reference for the second subset of channels, wherein the first and second type of pilot channels are substantially covering the same area.
    • 本发明涉及发送单元中的发送单元,控制单元和方法,该发送单元包括用于发送与多个无线电信道有关的信号的至少两个天线。 发射单元从第一天线发射与第一子信道有关的信号和来自第一天线的导频信号,以用于第一子信道子集的参考。 发射单元还被布置成使用单天线传输从第二天线发射与第二子信道有关的信号。 发射单元还从第二天线在诸如与第一类型的导频信道不同的第二类型的导频信道(例如S-CPICH)上发送导频信号,以用作第二子信道子集的参考,其中,第一和第 第二类型的导频信道基本覆盖相同的区域。