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    METHOD FOR D2D RADIOCOMMUNICATION
    2.
    发明公开
    METHOD FOR D2D RADIOCOMMUNICATION 审中-公开
    用于D2D无线连接的方法

    公开(公告)号：EP2901797A4

    公开(公告)日：2016-05-25

    申请号：EP12885937

    申请日：2012-09-28

    Applicant: ERICSSON TELEFON AB L M

    Inventor： LINDOFF BENGT ,  LU QIANXI ,  MIAO QINGYU ,  WILHELMSSON LEIF

    IPC: H04W76/00

    CPC classification number: H04W36/0011 ,  H04W4/008 ,  H04W36/00 ,  H04W36/165 ,  H04W72/0453 ,  H04W76/023 ,  H04W84/042

    Abstract: The present disclosure relates to a method of a first radio device in non-network assisted device-to-device (D2D) communication with a second radio device using a first frequency resource and a first communication protocol. The method comprises determining that the first radio device is within coverage of a cellular network. The method also comprises connecting to the cellular network. The method also comprises sending a message to the second radio device, informing said second radio device that the first radio device is within coverage of the cellular network. The method also comprises receiving a message from the cellular network comprising information about a second frequency resource and a second communication protocol. The method also comprises initiating a handover of the D2D communication from the first frequency resource and communication protocol to the second frequency resource and communication protocol.

    Abstract translation: 本公开涉及在使用第一频率资源和第一通信协议的第二无线电设备的非网络辅助设备到设备（D2D）通信中的第一无线电设备的方法。 该方法包括确定第一无线电设备在蜂窝网络的覆盖范围内。 该方法还包括连接到蜂窝网络。 该方法还包括向第二无线电设备发送消息，通知所述第二无线电设备第一无线电设备在蜂窝网络的覆盖范围内。 该方法还包括从蜂窝网络接收包括关于第二频率资源和第二通信协议的信息的消息。 该方法还包括启动D2D通信从第一频率资源和通信协议到第二频率资源和通信协议的切换。

    METHOD, APPARATUS AND COMPUTER PROGRAM FOR SELECTABLE OPERATION OF A NETWORK NODE
    3.
    发明公开
    METHOD, APPARATUS AND COMPUTER PROGRAM FOR SELECTABLE OPERATION OF A NETWORK NODE 审中-公开
    方法，装置及计算机程序运行的可选的网络节点

    公开(公告)号：EP2904872A4

    公开(公告)日：2016-10-26

    申请号：EP12886101

    申请日：2012-10-05

    Applicant: ERICSSON TELEFON AB L M

    Inventor： GUNNARSSON FREDRIK ,  WILHELMSSON LEIF ,  TILLMAN FREDRIK

    IPC: H04W76/02 ,  H04W84/18 ,  H04W88/02 ,  H04W88/04 ,  H04W88/10

    CPC classification number: H04W76/023 ,  H04L5/14 ,  H04W16/32 ,  H04W72/0413 ,  H04W84/18 ,  H04W88/02 ,  H04W88/04 ,  H04W88/10

    Abstract: A network node (100) enabled to work, within a cellular communication system comprising a plurality of base stations (102), according to a device-to-device, D2D communication mode is disclosed. The network node (100) can also have backhaul (600) capability via a second communication network (602) distinct from a backbone network (502) of the cellular communication network and is enabled to provide D2D communication by direct or multi-hop communication with other nodes or terminals (104, 106) on a peer level for providing service via the second communication network (602) when operating in the D2D communication mode. The network node (100) can have backhaul (500) capability via a backbone network (502) of the cellular communication network, wherein the network node (100) is further enabled to work according to a device-to-device, D2D communication mode within and under control of the cellular communication network. Methods and computer program are also disclosed.

    METHOD FOR D2D RADIOCOMMUNICATION
    4.
    发明公开
    METHOD FOR D2D RADIOCOMMUNICATION 有权
    VERFAHREN ZUR D2D-FUNKVERBINDUNG

    公开(公告)号：EP2901645A4

    公开(公告)日：2016-05-25

    申请号：EP12885705

    申请日：2012-09-28

    Applicant: ERICSSON TELEFON AB L M

    Inventor： LINDOFF BENGT ,  LU QIANXI ,  MIAO QINGYU ,  WILHELMSSON LEIF

    IPC: H04L29/06 ,  H04W76/02

    CPC classification number: H04W76/023 ,  H04L41/0654 ,  H04W36/0055 ,  H04W72/0453 ,  H04W76/028

    Abstract: The present disclosure relates to a method of radio communication between a first radio device and a second radio device using a first frequency resource and a first communication protocol by means of a network node, at least one of the radio devices being served by said network node. The method comprises determining a second frequency resource to use for non-network assisted device-to-device (D2D) communication between the first and second radio devices in case of a radio link failure between said at least one radio device and the network node. The method also comprises determining a second communication protocol to use for the non-network assisted D2D communication between the first and second radio devices in the case of a radio link failure between said at least one radio device and the network node.

    Abstract translation: 本公开涉及一种使用第一频率资源和第一通信协议的第一无线电设备与第二无线电设备之间的无线电通信方法，所述无线电设备借助于网络节点，所述无线设备中的至少一个由所述网络节点 。 所述方法包括：在所述至少一个无线电设备和所述网络节点之间的无线电链路故障的情况下，确定用于所述第一和第二无线电设备之间的非网络辅助设备到设备（D2D）通信的第二频率资源。 在所述至少一个无线电设备和网络节点之间的无线电链路故障的情况下，该方法还包括确定用于第一和第二无线电设备之间的非网络辅助的D2D通信的第二通信协议。

    TECHNIQUE FOR CALIBRATING A RECEIVER APPARATUS
    6.
    发明申请
    TECHNIQUE FOR CALIBRATING A RECEIVER APPARATUS 审中-公开
    接收装置的校准技术

    公开(公告)号：WO2013156044A8

    公开(公告)日：2013-12-27

    申请号：PCT/EP2012001723

    申请日：2012-04-20

    Applicant: ERICSSON TELEFON AB L M ,  WILHELMSSON LEIF ,  STRANDBERG ROLAND ,  SVENSSON JIM

    Inventor： WILHELMSSON LEIF ,  STRANDBERG ROLAND ,  SVENSSON JIM

    IPC: H04L27/38

    CPC classification number: H04B17/10 ,  H04B1/10 ,  H04L27/3863

    Abstract: A technique for calibrating a receiver apparatus comprising at least one analog signal processing component and an intermediate frequency, or IF, mixer for converting IF signals comprising an in-phase, or I, signal and a quadrature-phase, or Q, signal to baseband frequency signals is provided. The IF mixer is arranged downstream of the at least one analog signal processing component. A method implementation of the technique comprises the steps of determining, in a digital processing domain downstream of the IF mixer, a metric which is affected by a frequency dependency of an imbalance between I and the Q signal, or IQ-imbalance, over a signal bandwidth, generating, based on the metric thus determined, a calibration signal configured to at least partially compensate a frequency-dependency of the IQ imbalance, and feeding the calibration signal to the at least one analog signal processing component so as to calibrate the at least one analog signal processing component.

    Abstract translation: 一种用于校准包括至少一个模拟信号处理部件和中频的接收器装置的技术或IF混合器，用于将包括同相或I信号和正交相位或Q信号的IF信号转换成基带 提供频率信号。 IF混频器被布置在至少一个模拟信号处理组件的下游。 该技术的方法实现包括以下步骤：在IF混频器下游的数字处理域中确定受到信号上I和Q信号之间的不平衡或IQ不平衡的频率依赖性影响的度量 带宽，基于如此确定的度量生成校准信号，该校准信号被配置为至少部分地补偿IQ不平衡的频率依赖性，并且将校准信号馈送到至少一个模拟信号处理组件，以便校准至少一个 一个模拟信号处理组件。

    METHOD AND A FIRST RADIO COMMUNICATION NODE FOR SCHEDULING A DATA TRANSMISSION
    7.
    发明申请
    METHOD AND A FIRST RADIO COMMUNICATION NODE FOR SCHEDULING A DATA TRANSMISSION 审中-公开
    方法和用于调度数据传输的第一无线电通信节点

    公开(公告)号：WO2012158102A3

    公开(公告)日：2013-01-03

    申请号：PCT/SE2012050505

    申请日：2012-05-14

    Applicant: ERICSSON TELEFON AB L M ,  LINDOFF BENGT ,  WILHELMSSON LEIF ,  BERGLJUNG CHRISTIAN

    Inventor： LINDOFF BENGT ,  WILHELMSSON LEIF ,  BERGLJUNG CHRISTIAN

    IPC: H04L1/00 ,  H04L1/18

    CPC classification number: H04L1/0003 ,  H04J11/003 ,  H04L1/0009 ,  H04L1/0034 ,  H04L1/1867 ,  H04W24/10 ,  H04W72/12 ,  H04W72/1215 ,  H04W72/1226

    Abstract: A method in a first radio communication node (110, 310, 710, 1010) and a first radio communication node (110, 310, 710, 1010) for scheduling a data transmission in a first time frame using one of a plurality of modulation and coding schemes are provided. The data transmission is to be transmitted between the first radio communication node (110, 310, 710, 1010) and a second radio communication node (120, 320, 720, 1020). The first radio communication node (110, 310, 710, 1010) obtains (301, 701, 1001, 1401) a first indication about channel quality for the first time frame. The first radio communication node (110, 310, 710, 1010) obtains (302, 702, 1002, 1402) second indication about a possible upcoming transmission failure. The possible upcoming transmission failure relates to a feedback information to be transmitted in a second time frame. The feedback information is associated with the data transmission in the first time frame. The first radio communication node (110, 310, 710, 1010) selects (303, 703, 1003, 1403) a modulation and coding scheme out of said plurality of modulation and coding schemes based on the first indication and the second indication. Next, the first radio communication node (110, 310, 710, 1010) schedules (304, 704, 1004, 1404) the data transmission using the selected modulation and coding scheme.

    Abstract translation: 一种在第一无线电通信节点（110,310,710,1010）和第一无线电通信节点（110,310,710,1010）中的方法，用于使用多个调制中的一个来调度第一时间帧中的数据传输，以及 提供编码方案。 数据传输将在第一无线电通信节点（110,310,710,1010）和第二无线电通信节点（120,320,720,1020）之间传输。 第一无线电通信节点（110,310,710,1010）获得关于第一时间帧的信道质量的第一指示（301,701,1001,1401）。 第一无线电通信节点（110,310,710,1010）获得关于可能的即将到来的传输故障的第二指示（302,702,1002,1402）。 可能的即将到来的传输故障涉及要在第二时间帧中发送的反馈信息。 反馈信息与第一时间帧中的数据传输相关联。 基于第一指示和第二指示，第一无线电通信节点（110,310,710,1010）从所述多个调制和编码方案中选择（303,703,1003,1403）调制和编码方案。 接下来，第一无线电通信节点（110,310,710,1010）使用所选择的调制和编码方案来调度（304,704,1004,1404）数据传输。

    ROBUST AND LOW-COMPLEXITY COMBINED SIGNAL POWER ESTIMATION FOR OFDM
    8.
    发明申请
    ROBUST AND LOW-COMPLEXITY COMBINED SIGNAL POWER ESTIMATION FOR OFDM 审中-公开
    OFDM的稳健和低复杂度组合信号功率估计

    公开(公告)号：WO2008049714A8

    公开(公告)日：2008-07-10

    申请号：PCT/EP2007060468

    申请日：2007-10-02

    Applicant: ERICSSON TELEFON AB L M ,  WILHELMSSON LEIF ,  LINDOFF BENGT

    Inventor： WILHELMSSON LEIF ,  LINDOFF BENGT

    IPC: H04L27/26

    CPC classification number: H04L1/20 ,  H04L25/0206 ,  H04L25/0212 ,  H04L27/2665

    Abstract: Ascertaining a signal power of an Orthogonal Frequency Division Multiplexing (OFDM) signal involves ascertaining a plurality of channel estimates from the OFDM signal. Compensating phase shift values for phase aligning the plurality of channel estimates are estimated and used to generate phase corrected channel estimates. The phase corrected channel estimates are coherently combined, thereby ascertaining the signal power of the OFDM signal. The compensating phase shift values may be based on a channel characteristic (e.g., delay spread) or may alternatively be hypothesized.

    Abstract translation: 确定正交频分复用（OFDM）信号的信号功率涉及从OFDM信号确定多个信道估计。 用于相位对准多个信道估计的补偿相移值被估计并用于产生相位校正信道估计。 相位校正的信道估计被相干组合，从而确定OFDM信号的信号功率。 补偿相移值可以基于信道特性（例如，延迟扩展），或者可以替代地假设。

    INITIAL PARAMETER ESTIMATION IN OFDM SYSTEMS
    10.
    发明申请
    INITIAL PARAMETER ESTIMATION IN OFDM SYSTEMS 审中-公开
    OFDM系统中的初始参数估计

    公开(公告)号：WO2006111275A3

    公开(公告)日：2007-01-04

    申请号：PCT/EP2006003173

    申请日：2006-04-07

    Applicant: ERICSSON TELEFON AB L M ,  BERKEMAN ANDERS ,  SVENSSON JIM ,  WILHELMSSON LEIF

    Inventor： BERKEMAN ANDERS ,  SVENSSON JIM ,  WILHELMSSON LEIF

    IPC: H04L27/26 ,  H04L1/20

    CPC classification number: H04L25/0232 ,  H04L25/0216 ,  H04L25/022 ,  H04L25/0234 ,  H04L27/2647 ,  H04L27/2665

    Abstract: A coarse estimate of a location of an information carrying part of a symbol in a received signal in a telecommunication system is generated. This involves generating correlation values by correlating the received signal with a delayed received signal. A maximum correlation value of the correlation values is identified, and a duration in time during which the correlation values are greater than or equal to a predetermined percentage of the maximum correlation value is identified, wherein the duration in time begins at a first moment in time and ends at a second moment in time. The coarse estimate of the location of the peak correlation value is set equal to a moment in time between the first moment in time and the second moment in time, for example, a midpoint between the first moment in time and the second moment in time.

    Abstract translation: 产生在电信系统中的接收信号中承载符号部分的信息的位置的粗略估计。 这涉及通过将接收的信号与延迟的接收信号相关来产生相关值。 识别相关值的最大相关值，并且识别相关值大于或等于最大相关值的预定百分比的时间持续时间，其中时间持续时间从第一时刻开始 并在第二时刻结束。 将峰值相关值的位置的粗略估计设置为等于第一时刻与第二时刻之间的时刻，例如，第一时刻与第二时刻之间的中点。

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