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    • 27. 发明申请
    • DC TO DC CONVERTER AND METHOD FOR REDUCING OVERSHOOT
    • 直流到直流转换器和减少太阳能的方法
    • US20100219803A1
    • 2010-09-02
    • US12710860
    • 2010-02-23
    • Wei HanChing-Ji LiangTao Liu
    • Wei HanChing-Ji LiangTao Liu
    • G05F1/10
    • H02M3/158
    • A DC to DC converter includes a control circuit, a gate driver circuit, and a power stage circuit. The control circuit receives and compares a DC output voltage. When the DC output voltage lower than a first threshold voltage, a PWM signal with a first frequency is outputted, and when the DC output voltage higher than the first threshold voltage, the PWM signal with a second frequency is outputted. The second frequency is higher than the first frequency. The gate driver circuit receives the PWM signal and converts the PWM signal to a first driving signal and a second driving signal. The power stage circuit converts a DC input voltage to the DC output voltage according to the first driving signal and the second driving signal.
    • DC-DC转换器包括控制电路,栅极驱动电路和功率级电路。 控制电路接收并比较直流输出电压。 当DC输出电压低于第一阈值电压时,输出具有第一频率的PWM信号,并且当DC输出电压高于第一阈值电压时,输出具有第二频率的PWM信号。 第二频率高于第一频率。 栅极驱动电路接收PWM信号,并将PWM信号转换为第一驱动信号和第二驱动信号。 功率级电路根据第一驱动信号和第二驱动信号将DC输入电压转换为DC输出电压。
    • 29. 发明申请
    • Methods and equipment for performing channel aware relays in an enhanced relay cluster
    • 在增强型中继集群中执行信道识别中继的方法和设备
    • US20100015914A1
    • 2010-01-21
    • US12311436
    • 2007-09-26
    • Hui LiTao LiuXinglin WangYi Sheng XueWolfgang Zirwas
    • Hui LiTao LiuXinglin WangYi Sheng XueWolfgang Zirwas
    • H04B3/36
    • H04W16/26H04B7/15542H04B7/2606H04W76/20H04W84/047
    • This invention provides a type of method used for providing channel aware relays in enhanced relay clusters. This method is based on the Centralized Cluster Relay Implementation Proposal, and is implemented by transferring MMR-BS channel information based functions to RS. Specifically, in this invention, RS receives authorization from the MMR-BS to receive the channel information from the MS or next single-hop RS point within its single-hop range, and, after performing applicable channel aware relays, reports the processing result to MMR-BS; MMR-BS configures the signal according to the processing result and joins RS to transmit the control signal to the cluster MS. Using the method provided by this invention can reduce the channel overhead between MMR-BS and RS, and at the same time ensure that the RS composition is simple, and the production costs are low.
    • 本发明提供了一种用于在增强型继电器集群中提供信道感知中继的方法。 该方法基于集中式集群中继实施方案,通过将基于MMR-BS信道信息的功能转移给RS来实现。 具体地说,在本发明中,RS接收来自MMR-BS的授权,从MS或其单跳范围内的下一个单跳RS点接收信道信息,在执行适用的信道识别中继之后,将处理结果报告给 MMR-BS; MMR-BS根据处理结果配置信号,并连接RS将控制信号发送到集群MS。 使用本发明提供的方法可以降低MMR-BS和RS之间的信道开销,同时确保RS组合简单,生产成本低。