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    • 7. 发明申请
    • Reduction of Power Consumption in Wireless Communication Terminals
    • 降低无线通信终端的功耗
    • US20080108397A1
    • 2008-05-08
    • US11664483
    • 2004-10-15
    • Antti PiipponenAarno Parssinen
    • Antti PiipponenAarno Parssinen
    • H04B1/38
    • G06F1/3215G06F1/325H04W52/0219H04W52/0245Y02D70/142Y02D70/144Y02D70/22
    • The invention relates to a mechanism for decreasing power consumption in a wireless terminal intended for a communication system where availability of a common air medium is to be determined by the terminal prior to transmission. The terminal selects at least one communication device as a communicating peer and adjusts receiver performance based on received signal strength and optionally other parameters measured from at least one of the at least one wireless communication device, the receiver performance being adjusted for listening to the at least one wireless communication device with reduced power consumption. The terminal further generates an indication when its own transmission is approaching and readjusts the receiver performance for determining the availability of the common air medium at a performance level enabling detection of devices that may be disturbed by said own transmission.
    • 本发明涉及一种用于降低无线终端中功耗的机制,该无线终端用于通信系统,其中在传输之前由终端确定公用空气介质的可用性。 终端选择至少一个通信设备作为通信对等体,并且基于接收到的信号强度和可选地从至少一个无线通信设备测量的其他参数来调整接收机性能,接收机性能被调整以至少收听 一种具有降低的功耗的无线通信设备。 终端在其自身传输正在接近时进一步产生指示,并且重新调整接收机的性能,以便在能够检测可能被所述自身传输干扰的设备的性能级别上确定公共空气介质的可用性。
    • 10. 发明授权
    • Method and apparatus providing calibration technique for RF performance tuning
    • 提供RF性能调谐校准技术的方法和设备
    • US07203472B2
    • 2007-04-10
    • US10099626
    • 2002-03-15
    • Pauli SeppinenAarno ParssinenMikael GustafssonMika Makitalo
    • Pauli SeppinenAarno ParssinenMikael GustafssonMika Makitalo
    • H04B17/00H04B1/28
    • H04B17/21H04B1/30H04B17/20H04B17/318
    • A method is disclosed for operating a RF receiver of a communications equipment, as is circuitry for implementing the method. The method includes, while operating under the control of a data processor of the communications equipment, generating a calibration signal; injecting the calibration signal into a low noise amplifier (LNA) of the RF receiver; measuring a downconverted response of the receiver at a plurality of different frequencies of the calibration signal, or measuring the downconverted response of the receiver at a plurality of different LNA tuning combinations using a fixed calibration frequency, and at least one of tuning a resonance frequency of at least one LNA resonator based on the measured downconverted response so as to compensate at least for variations in component values that comprise the at least one resonator, or adjusting the linearity of the receiver.
    • 公开了一种用于操作通信设备的RF接收器的方法,以及用于实现该方法的电路。 该方法包括:在通信设备的数据处理器的控制下运行,产生校准信号; 将校准信号注入RF接收机的低噪声放大器(LNA); 测量所述接收机在所述校准信号的多个不同频率处的下变频响应,或者使用固定校准频率来测量所述接收机在多个不同LNA调谐组合的下变频响应,以及调谐所述接收机的谐振频率 基于所测量的下变频响应的至少一个LNA谐振器,以便至少补偿构成所述至少一个谐振器的分量值的变化,或者调整所述接收机的线性度。