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    • 63. 发明授权
    • Management of uplink resources in multi-carrier CDMA system
    • 多载波CDMA系统上行资源管理
    • US08498273B2
    • 2013-07-30
    • US12537148
    • 2009-08-06
    • Yi-Pin Eric WangAnders WallénStephen Grant
    • Yi-Pin Eric WangAnders WallénStephen Grant
    • H04B1/707
    • H04W72/0486H04W72/0453
    • The method an apparatus described herein manages uplink resources to increase spectral efficiency and system capacity. According to one embodiment of the present invention, a base station may be assigned two or more downlink carriers for downlink transmission and two or more corresponding uplink carriers. In a multi-carrier mode, the base station may transmit signals on two or more downlink carriers to the same mobile terminal, and receive signals from the mobile terminal on one of the paired uplink terminals. The uplink carriers can be operated at different interference levels and the uplink traffic can be divided between the available uplink carriers based on the type of traffic and/or data transmission parameters. The mobile terminals may also be allowed to switch between the uplink carriers to improve overall efficiency.
    • 本文描述的方法和装置管理上行链路资源以提高频谱效率和系统容量。 根据本发明的一个实施例,可以为基站分配用于下行链路传输的两个或更多个下行链路载波和两个或更多个对应的上行链路载波。 在多载波模式中,基站可以在两个或多个下行链路载波上发送信号到同一个移动终端,并且在一个上行链路终端中的一个上接收来自移动终端的信号。 上行链路载波可以以不同的干扰级别操作,并且可以基于业务类型和/或数据传输参数在可用的上行链路载波之间划分上行链路业务。 还可以允许移动终端在上行链路载波之间切换以提高整体效率。
    • 64. 发明申请
    • Method and Network Node
    • 方法和网络节点
    • US20130136012A1
    • 2013-05-30
    • US13388558
    • 2012-01-02
    • Xinyu GuStephen GrantNiklas JohanssonTorbjörn WigrenZhang Zhang
    • Xinyu GuStephen GrantNiklas JohanssonTorbjörn WigrenZhang Zhang
    • H04L12/26H04W24/00
    • H04L41/147H04L41/142
    • Network node (110), and method (300) in a network node (110), for load control in a cell (130) in a wireless communication system (100). The method (300) comprises starting an interference cancellation process, for reducing interference between uplink signals, estimating an interference cancellation gain, relative to an interference reduced received uplink signal power resulting from the interference cancellation process, wherein the interference cancellation gain is estimated after the start of the interference cancellation process but before the interference cancellation process is completed. In addition, the method (300) comprises controlling the traffic load of the cell (130), by considering the estimated interference cancellation gain.
    • 网络节点(110)和网络节点(110)中的方法(300),用于无线通信系统(100)中的小区(130)中的负载控制。 所述方法(300)包括开始干扰消除处理,用于减少上行链路信号之间的干扰,相对于由干扰消除处理产生的干扰减小的接收到的上行链路信号功率来估计干扰消除增益,其中在干扰消除增益 开始干扰消除处理,但在干扰消除处理完成之前。 另外,方法(300)包括通过考虑估计的干扰消除增益来控制小区(130)的业务负载。
    • 68. 发明申请
    • REDUCED-COMPLEXITY COORDINATED MULTIPOINT RECEPTION
    • 降低复杂度协调多点接收
    • US20110080879A1
    • 2011-04-07
    • US12645616
    • 2009-12-23
    • Stephen Grant
    • Stephen Grant
    • H04W72/04H04M1/00
    • H04B7/024H04B1/7115H04B7/0495H04B7/0848H04B7/0854H04B7/0874
    • Teachings herein offer reduced-complexity coordinated multipoint (CoMP) reception of an uplink signal transmitted by a mobile terminal. The teachings obtain, for each sector antenna in a set of sector antennas deployed in a CoMP cell, a signal strength measurement of one or more downlink signals received by the mobile terminal from a sector associated with that sector antenna. The teachings compare the signal strength measurements and then select from the set, based on that comparison, a subset of sector antennas for CoMP reception of the uplink signal. By using a subset of sector antennas for CoMP reception, instead of all sector antennas in the set, the teachings reduce the computational complexity of CoMP reception. Moreover, the teachings in some embodiments minimize any performance degradation possibly resulting from performing CoMP reception with a reduced number of antennas, by selecting the subset to include sector antennas having the strongest signal strength measurements.
    • 本文中的教导提供了由移动终端发送的上行链路信号的降低复杂度的协调多点(CoMP)接收。 该教导为部署在CoMP单元中的一组扇区天线中的每个扇区天线获得由移动终端从与该扇区天线相关联的扇区接收的一个或多个下行链路信号的信号强度测量。 该教导比较信号强度测量,然后基于该比较从该组中选择用于CoMP接收上行链路信号的扇区天线的子集。 通过使用用于CoMP接收的扇区天线的子集,代替组中的所有扇区天线,教导降低了CoMP接收的计算复杂度。 此外,在一些实施例中的教导通过选择该子集以包括具有最强信号强度测量的扇区天线,最小化可能由于通过减少数量的天线执行CoMP接收而导致的任何性能退化。
    • 70. 发明申请
    • UPLINK CHANNEL QUALITY FEEDBACK REDUCTION IN A MOBILE COMMUNICATION SYSTEM
    • 移动通信系统中的上行信道质量反馈减少
    • US20100167657A1
    • 2010-07-01
    • US12346313
    • 2008-12-30
    • Karl MolnarStephen Grant
    • Karl MolnarStephen Grant
    • H04B17/00
    • H04W24/10
    • Operating a user equipment in a mobile communication system includes generating a measure of reliability of a predicted channel estimate and of impairment stability, wherein the predicted channel estimate is a predicted estimate of a channel between the user equipment and a node of the mobile communications system. Transmission of a channel quality report to the node of the mobile communication system is controlled as a function of the generated measure of reliability of the predicted channel estimate and of impairment stability. Transmission control includes inhibiting transmission of the channel quality report to the node of the mobile communication system for a duration of time corresponding to the measure of reliability of the predicted channel estimate and of impairment stability.
    • 在移动通信系统中操作用户设备包括生成预测信道估计和损害稳定性的可靠性度量,其中预测信道估计是用户设备与移动通信系统的节点之间的信道的预测估计。 将信道质量报告发送到移动通信系统的节点作为所产生的预测信道估计的可靠性测量值和损害稳定性的函数进行控制。 传输控制包括在对应于预测信道估计的可靠性测量和损害稳定性的持续时间内禁止信道质量报告传输到移动通信系统的节点。