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    • 31. 发明申请
    • METHOD AND APPARATUS FOR INTERFERENCE REPORTING IN A N-MIMO COMMUNICATION SYSTEM
    • 用于在N-MIMO通信系统中进行干扰报告的方法和设备
    • WO2010048437A2
    • 2010-04-29
    • PCT/US2009061723
    • 2009-10-22
    • QUALCOMM INCPALANKI RAVIGOROKHOV ALEXEI YBHUSHAN NAGA
    • PALANKI RAVIGOROKHOV ALEXEI YBHUSHAN NAGA
    • H04L5/00
    • H04W24/00H04B17/24H04B17/345H04J11/0053H04L1/0026H04L1/0028H04L1/02H04L5/0023H04L5/0035H04L2001/0092H04W72/0426H04W72/085Y02D70/1222Y02D70/1242Y02D70/1262Y02D70/142Y02D70/146
    • Systems and methodologies are described herein that facilitate interference measurement and reporting in a network multiple-in-multiple-out (N-MIMO) communication system. As described herein, a network device can measure and report interference corresponding to network nodes outside a designated set of nodes that can cooperatively serve the device. Respective interference reports can additionally identify dominant interfering nodes, correlation between transmit antennas of respective nodes, or the like. Subsequently, respective interference reports can be combined with per-node channel information to manage coordination and scheduling across respective network nodes. As further described herein, interference from a network node can be measured by observing reference and/or synchronization signals from the network node. To aid such observation, respective non-interfering network nodes can define null pilot intervals in which transmission is silenced or otherwise reduced. As additionally described herein, loading information broadcasted by respective interfering network nodes can be identified and utilized in connection with interference calculation.
    • 这里描述了促成网络多输入多输出(N-MIMO)通信系统中的干扰测量和报告的系统和方法。 如这里所描述的,网络设备可以测量和报告与协作地服务该设备的指定的一组节点之外的网络节点相对应的干扰。 各个干扰报告还可以识别显性干扰节点,各个节点的发射天线之间的相关性等。 随后,各个干扰报告可以与每个节点的信道信息组合以管理各个网络节点之间的协调和调度。 如在此进一步描述的,来自网络节点的干扰可以通过观察来自网络节点的参考和/或同步信号来测量。 为了帮助这种观察,各个非干扰网络节点可以定义其中传输被静音或以其他方式减少的空导频间隔。 如此处另外描述的,可以结合干扰计算来识别和利用由各个干扰网络节点广播的负载信息。
    • 34. 发明申请
    • METHOD AND SYSTEM TO INDICATE A DESIRED TRANSMIT POWER AND SOFT POWER CONTROL IN A WIRELESS NETWORK
    • 在无线网络中显示所需发射功率和软功率控制的方法和系统
    • WO2009114640A2
    • 2009-09-17
    • PCT/US2009036853
    • 2009-03-11
    • QUALCOMM INCGOROKHOV ALEXEI YPALANKI RAVI
    • GOROKHOV ALEXEI YPALANKI RAVI
    • H04W52/00
    • H04W52/243
    • In a wireless communication system, short-term interference mitigation may be used to mitigate (e.g., to avoid or reduce) interference on a given link in order to improve performance of data transmission. The interference mitigation reduces transmit power of interfering transmissions so that a higher signal-to-noise-and-interference ratio (SINR) can be achieved for a desired data transmission. A node may observe high interference from an interfering node that degrades performance of data transmission sent on that link. By taking advantage of an communication path with the interfering node (e.g., wireless data/control channel, backhaul network connection, or analog broadcast signal), the transmitting node can successfully complete time critical communications while allowing the interfering node to also simultaneously communicate without reducing overall resources nor burdening any managing nodes.
    • 在无线通信系统中,可以使用短期干扰减轻来减轻(例如,以避免或减少)给定链路上的干扰,以便提高数据传输的性能。 干扰减轻降低干扰传输的发射功率,从而可以实现更高的信噪比干扰比(SINR),用于所需的数据传输。 节点可能会观察到来自干扰节点的高干扰,从而降低在该链路上发送的数据传输的性能。 通过利用与干扰节点(例如,无线数据/控制信道,回程网络连接或模拟广播信号)的通信路径,发送节点可以成功地完成时间关键通信,同时允许干扰节点同时通信而不减少 整体资源也不负责管理节点。
    • 35. 发明申请
    • MULTIPLEXED BEACON SYMBOLS FOR A WIRELESS COMMUNICATION SYSTEM
    • 用于无线通信系统的多路标志符号
    • WO2009036216A2
    • 2009-03-19
    • PCT/US2008076078
    • 2008-09-11
    • QUALCOMM INCPALANKI RAVIAGRAWAL AVNEESHKHANDEKAR AAMOD
    • PALANKI RAVIAGRAWAL AVNEESHKHANDEKAR AAMOD
    • H04L25/4902H04L5/0023H04L5/0044H04L5/0053H04L27/2601
    • Techniques for transmitting information using beacon symbols are described. A transmitter may map first information to at least one subcarrier in a first set of subcarriers, with the first information being conveyed by the position of the at least one subcarrier. The transmitter may map second information to one or more subcarriers in a second set of subcarriers. The second information may be conveyed by one or more modulation symbols sent on the one or more subcarriers. The transmitter may generate at least one beacon symbol having the first information mapped to the at least one subcarrier in the first set and the second information mapped to the one or more subcarriers in the second set. In one design, the transmitter may frequency division multiplex the first information with the second information. In another design, the transmitter may puncture the second information on the at least one subcarrier with the first information.
    • 描述了使用信标符号发送信息的技术。 发射机可以将第一信息映射到第一组子载波中的至少一个子载波,其中第一信息由至少一个子载波的位置传送。 发射机可以将第二信息映射到第二组子载波中的一个或多个子载波。 第二信息可以由在一个或多个子载波上发送的一个或多个调制符号传送。 发射机可以生成具有映射到第一组中的至少一个子载波的第一信息和映射到第二组中的一个或多个子载波的第二信息的至少一个信标符号。 在一种设计中,发射机可以将第一信息与第二信息进行频分复用。 在另一种设计中,发射机可以利用第一信息来对该至少一个子载波的第二信息进行穿孔。
    • 37. 发明申请
    • PROGRESSIVE INFORMATION BEACON SYMBOLS
    • 渐进信息符号符号
    • WO2008051965A2
    • 2008-05-02
    • PCT/US2007082216
    • 2007-10-23
    • QUALCOMM INCRICHARDSON THOMASLI JUNYIPALANKI RAVI
    • RICHARDSON THOMASLI JUNYIPALANKI RAVI
    • H04L5/02
    • H04L27/261H04L5/023H04L27/2608H04W48/12
    • Systems and methodologies are described that facilitate transmitting beacon symbols comprising static and dynamic information about the beacon and/or a transmitter thereof (or substantially any information a beacon transmitter desires to send). In this regard, the beacon symbol transmitter can select a subcarrier of bandwidth for transmitting the beacon symbol where the subcarrier is indicative of data and is in one of a plurality of subcarrier groups related to the total available subcarriers. Thus, the groups can have common virtual subcarriers such that a subcarrier index can be found in each group. In this way, the selected group can indicate additional information that can change based on what group is selected for transmitting a given beacon symbol.
    • 描述了便于发送包括关于信标和/或其发射机(或者基本上信标发射机期望发送的任何信息)的静态和动态信息的信标符号的系统和方法。 就这一点而言,信标符号发射机可以选择用于发送信标符号的带宽的子载波,其中子载波指示数据并且在与全部可用子载波相关的多个子载波组中的一个子载波组中。 因此,这些组可以具有共同的虚拟子载波,使得可以在每个组中找到子载波索引。 以这种方式,所选组可以指示可以基于选择哪个组来发送给定信标符号而改变的附加信息。