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    • 85. 发明申请
    • TRANSMISSION OF MEASUREMENTS PARAMETERS CONCERNING INTERFERING CELL FOR CELL RESELECTION
    • 传播干扰细胞测量细胞参数的参数
    • WO2011057300A3
    • 2011-08-18
    • PCT/US2010056085
    • 2010-11-09
    • QUALCOMM INCJI TINGFANGGAAL PETERPRAKASH RAJATDURAL OZGURPALANKI RAVI
    • JI TINGFANGGAAL PETERPRAKASH RAJATDURAL OZGURPALANKI RAVI
    • H04W48/16H04W36/00
    • H04W36/0066H04W36/0094H04W48/12H04W48/16H04W84/045
    • Methods and apparatuses are provided that facilitate measuring frequencies for cell reselection. A base station providing a cell can be interfered by one or more closed subscriber group (CSG) cells over at least a portion of frequency utilized by the base station to serve one or more devices. The base station can determine and provide one or more parameters related to performing a measurement of a system bandwidth to one or more devices that are within range of the one or more CSG cells that includes at least a portion of the bandwidth utilized by the one or more CSG cells. The one or more devices can accordingly perform measurements of the system bandwidth of the base station for determining one or more communication metrics related to performing reselection and/or measuring other frequencies for reselection. The measurement can relate to a wideband measurement, a plurality of narrowband measurements, etc.
    • 提供了便于测量细胞再选择频率的方法和装置。 提供小区的基站可以被一个或多个封闭用户组(CSG)小区干扰在基站所使用的频率的至少一部分上,以服务于一个或多个设备。 该基站可以确定和提供一个或多个参数,该参数与对一个或多个CSG小区的范围内的一个或多个设备进行系统带宽的测量相关,所述一个或多个设备包括一个或多个CSG小区利用的带宽的至少一部分, 更多的CSG小区。 一个或多个设备可以相应地执行基站的系统带宽的测量,以确定与执行重新选择相关的一个或多个通信度量和/或测量用于重选的其他频率。 测量可以涉及宽带测量,多个窄带测量等。
    • 86. 发明申请
    • DATA TRANSMISSION WITH CROSS-SUBFRAME CONTROL IN A WIRELESS NETWORK
    • 在无线网络中具有跨子帧控制的数据传输
    • WO2010141912A3
    • 2011-07-14
    • PCT/US2010037534
    • 2010-06-04
    • QUALCOMM INCPALANKI RAVIKHANDEKAR AAMOD DINKARBHATTAD KAPIL
    • PALANKI RAVIKHANDEKAR AAMOD DINKARBHATTAD KAPIL
    • H04L5/00
    • H04L5/0091H04L5/0053H04L5/0055Y02D70/12Y02D70/122Y02D70/124Y02D70/126Y02D70/14
    • Techniques for supporting communication in dominant interference scenarios are described. In an aspect, communication in a dominant interference scenario may be supported with cross-subframe control. Different base stations may be allocated different subframes for sending control information. Each base station may send control messages in the subframes allocated to that base station. Different base stations may have different timelines for sending control messages due to their different allocated subframes. With cross-subframe control, control information (e.g., grants, acknowledgement, etc.) may be sent in a first subframe and may be applicable for data transmission in a second subframe, which may be a variable number of subframes from the first subframe. In another aspect, messages to mitigate interference may be sent on a physical downlink control channel (PDCCH).
    • 描述了在主要干扰场景中支持通信的技术。 在一方面,可以通过跨子帧控制来支持主要干扰场景中的通信。 可以为不同的基站分配不同的子帧以发送控制信息。 每个基站可以在分配给该基站的子帧中发送控制消息。 不同的基站可能具有不同的时间线,用于由于其不同的分配子帧而发送控制消息。 利用跨子帧控制,可以在第一子帧中发送控制信息(例如,授权,确认等),并且可以适用于第二子帧中的数据传输,其可以是来自第一子帧的可变数量的子帧。 在另一方面,可以在物理下行链路控制信道(PDCCH)上发送用于减轻干扰的消息。
    • 88. 发明申请
    • METHOD AND APPARATUS FOR MITIGATION OF INTERFERENCE DUE TO PEER-TO PEER COMMUNICATION
    • 用于减轻对等通信干扰的方法和装置
    • WO2011011637A3
    • 2011-04-07
    • PCT/US2010042966
    • 2010-07-22
    • QUALCOMM INCPALANKI RAVILI JUNYI
    • PALANKI RAVILI JUNYI
    • H04W52/24
    • H04W52/265H04B17/354H04W24/08H04W52/242H04W52/245H04W52/383
    • Techniques for mitigating interference due to peer-to-peer (P2P) communication are described. In an aspect, a P2P UE may measure the signal strength of downlink signals from base stations and may set its transmit power based on (e.g., proportional to) the measured signal strength in order to mitigate interference to WWAN UEs communicating with base stations. In another aspect, the P2P UE may measure the signal strength of uplink signals from WWAN UEs and may set its transmit power based on (e.g., inversely proportional to) the measured signal strength in order to mitigate interference to the WWAN UEs. In one design, the P2P UE may measure the signal strength of an uplink signal from a WWAN UE, estimate the pathloss between the two UEs based on the measured signal strength, and determine its transmit power based on the estimated pathloss.
    • 描述了用于减轻由于对等(P2P)通信引起的干扰的技术。 在一方面,P2P UE可以测量来自基站的下行链路信号的信号强度,并且可以基于(例如,与所测量的信号强度成比例)来设置其发射功率,以便减轻对与基站通信的WWAN UE的干扰。 另一方面,P2P UE可以测量来自WWAN UE的上行链路信号的信号强度,并且可以基于(例如与测量的信号强度成反比)来设置其发射功率,以便减轻对WWAN UE的干扰。 在一种设计中,P2P UE可以测量来自WWAN UE的上行链路信号的信号强度,基于测量的信号强度来估计两个UE之间的路径损耗,并且基于估计的路径损耗来确定其发射功率。
    • 90. 发明申请
    • INTER-CELL INTERFERENCE CANCELLATION
    • 内部干扰消除
    • WO2010005640A3
    • 2010-12-23
    • PCT/US2009045202
    • 2009-05-26
    • QUALCOMM INCBUDIANU PETRU CPALANKI RAVI
    • BUDIANU PETRU CPALANKI RAVI
    • H04L5/00
    • H04L1/1812H04L5/006H04L25/03006
    • Communication techniques enable efficient communication to UE (User Equipment) that is subject to a dominant interference signal that is transmitted by a different base station. Disclosed interference cancellation techniques, both UE-centric and network-centric, are suitable to this situation. These techniques are particularly advantageous when it is undesirable or difficult to introduce changes in the physical (PHY) and medium access control (MAC) layers at the existing base stations. An UE-centric framework refers to an approach largely implemented by UEs to include pico or femto cells. Network-centric framework closed-loop coordination between base stations and UEs achieves interference mitigation thereby improving network performance. In particular, an interfering base-station can help a "victim" UE by adjusting downlink pilot and control power and to adjust traffic data rates responsive to information that the "victim" UEs provide, including information about the interfering link and performance of the cancellation itself sent over the air or using backhaul.
    • 通信技术使得能够受到由不同基站发送的主要干扰信号的UE(用户设备)的有效通信。 以网络为中心的以网络为中心的公开的干扰消除技术适用于这种情况。 当在现有基站处引入物理(PHY)和介质访问控制(MAC)层中的变化是不期望的或难以引入时,这些技术是特别有利的。 以UE为中心的框架是指由UE主要实现的包括微微或毫微微小区的方法。 以网络为中心的基站与UE之间的闭环协调实现干扰减轻,从而提高网络性能。 特别地,干扰基站可以通过调整下行链路导频和控制功率来帮助“受害者”UE,并且响应于“受害者”提供的信息来调整业务数据速率,包括关于干扰链路的信息和取消的性能 本身已经空中传送或使用回程。