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    • 1. 发明申请
    • Scheduling Data Transmissions Between a Mobile Terminal and a Base Station in a Wireless Communications Network Using Component Carriers
    • 使用组件载体在无线通信网络中的移动终端和基站之间调度数据传输
    • US20120155407A1
    • 2012-06-21
    • US13378021
    • 2010-05-31
    • Bengt LindoffStefan AnderssonYlva JadingStefan ParkvallLars Sundström
    • Bengt LindoffStefan AnderssonYlva JadingStefan ParkvallLars Sundström
    • H04W72/12
    • A method of scheduling wireless data transmissions between a mobile terminal (701) and a base station using multiple component carrier signals is disclosed. The method comprises the steps of: receiving in the mobile terminal information from the base station indicating available component carriers; detecting in the mobile terminal at least one dynamic parameter indicative of the mobile terminal's current ability to handle component carriers having non-contiguous bandwidths; determining in the mobile terminal in dependence of the at least one dynamic parameter which of the available component carriers to utilize; and transmitting from the mobile terminal to the base station information indicating the component carriers determined to utilize. By doing this the mobile terminal may choose to limit the number of component carriers used in situations where it is disadvantageous, such as situations where the power consumption of supporting multiple component carriers is high or situations where complex hardware is needed.
    • 公开了一种使用多分量载波信号来调度移动终端(701)和基站之间的无线数据传输的方法。 该方法包括以下步骤:在移动终端中从基站接收指示可用分量载波的信息; 在移动终端中检测至少一个表示移动终端当前处理具有不连续带宽的分量载波的能力的动态参数; 根据所述至少一个动态参数在所述移动终端中确定要使用的可用分量载波中的哪一个; 以及从所述移动终端向所述基站发送指示被确定要利用的分量载波的信息。 通过这样做,移动终端可以选择限制在不利的情况下使用的分量载波的数量,例如支持多分量载波的功耗高或需要复杂硬件的情况。
    • 2. 发明申请
    • Power Efficient Data Transmission
    • 高效数据传输
    • US20110003609A1
    • 2011-01-06
    • US12633848
    • 2009-12-09
    • Lars SundströmStefan AnderssonBengt LindoffStefan Parkvall
    • Lars SundströmStefan AnderssonBengt LindoffStefan Parkvall
    • H04B7/00
    • H04W52/0206Y02D70/1262Y02D70/1264Y02D70/24Y02D70/25
    • Teachings herein schedule a data transmission in a variable bandwidth wireless communication system based on the power efficiency of a mobile node. One or more processing circuits, of the mobile node or a network node, determine the value of a control setting that defines a power efficiency configuration of the mobile node. In one embodiment, for example, the power efficiency configuration indicates the mobile node is configured to operate at the maximum power efficiency attainable without the data rate of the data transmission falling below a minimum data rate required by a quality of service. Regardless, the one or more processing circuits select from different possible bandwidths of the data transmission a bandwidth that supports a given data rate and that, according to a power efficiency model that models power efficiency of the mobile node for the different possible bandwidths, yields a power efficiency comporting with the power efficiency configuration.
    • 这里的教导是基于移动节点的功率效率来调度可变带宽无线通信系统中的数据传输。 移动节点或网络节点的一个或多个处理电路确定定义移动节点的功率效率配置的控制设置的值。 在一个实施例中,例如,功率效率配置指示移动节点被配置为以可达到的最大功率效率工作,而数据传输的数据速率低于服务质量所要求的最小数据速率。 无论如何,一个或多个处理电路从数据传输的不同可能带宽中选择支持给定数据速率的带宽,并且根据为不同可能带宽建模移动节点的功率效率的功率效率模型,产生一个 功率效率与功率效率配置相匹配。
    • 9. 发明授权
    • Down-conversion using square wave local oscillator signals
    • 使用方波本地振荡器信号进行下变频
    • US08665000B2
    • 2014-03-04
    • US13576827
    • 2011-02-14
    • Stefan AnderssonFredrik TillmanImad Ud DinDaniel Eckerbert
    • Stefan AnderssonFredrik TillmanImad Ud DinDaniel Eckerbert
    • G06G7/12
    • H03D7/165H03D7/18H03D2200/0086
    • A method of frequency down-converting an input signal to an output signal, a first local oscillator signal is generated as a square wave having a duty cycle of 1/3 or 2/3, and the input signal is mixed with first oscillator signal to achieve a first down-converted signal, a second local oscillator signal is generated as a modified square wave having the same period time as the first oscillator signal and a duty cycle of 2/3, of which one part has a positive amplitude and another part has a negative amplitude. The input signal is mixed with the second oscillator signal to achieve a second down-converted signal. The first oscillator signal has a delay of 1/4 of the period time to achieve a phase shift of π/2 between the oscillator signals, and at least one down-converted signal is multiplied by a pre-calculated factor. The resulting down-converted signals are added to achieve the output signal.
    • 将输入信号下变频为输出信号的方法,产生第一本地振荡器信号作为占空比为1/3或2/3的方波,并将输入信号与第一振荡器信号混合 实现第一下变频信号,产生第二本地振荡器信号作为具有与第一振荡器信号相同周期时间的修正方波,并且产生其中一部分具有正振幅的占空比2/3,另一部分 具有负幅度。 输入信号与第二振荡器信号混合以实现第二下变频信号。 第一振荡器信号具有周期时间的1/4的延迟以实现振荡器信号之间的π/ 2的相移,并且至少一个下变频信号乘以预先计算的因子。 所产生的下变频信号被加入以实现输出信号。