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热词
    • 68. 发明授权
    • Fast adaptive power control for a variable multirate communications system
    • 用于可变多速率通信系统的快速自适应功率控制
    • US07542777B2
    • 2009-06-02
    • US11654967
    • 2007-01-17
    • John W. Haim
    • John W. Haim
    • H04B7/00
    • H04W52/146H04W52/08H04W52/10H04W52/12H04W52/24H04W52/241H04W52/242H04W52/265H04W52/267H04W52/362
    • A system and a method of controlling transmitter power in a wireless communication system in which user data is processed as a multirate signal in which the user data signal having a first rate is converted into a transmission data signal having a faster second rate for transmission. The transmission power is adjusted on a relatively slow basis based on quality of data received by a receiver of the transmitted data. The transmitter power is determined as a function of the first and second rates such that a change in the data rate in the multiple channels or the rate of the transmission data signal is compensated in advance of a quality of data based adjustment associated with such data rate change. Preferably, the user data signal having the first rate is converted into the transmission data signal having the second faster rate by repeating selected data bits whereby the energy per bit to noise spectrum density ratio is increased in the transmission data signal.
    • 一种在无线通信系统中控制发射机功率的系统和方法,其中用户数据被处理为多速率信号,其中具有第一速率的用户数据信号被转换为具有更快的第二速率用于传输的传输数据信号。 基于发送数据的接收器接收的数据的质量,相对较慢地发送发送功率。 发射机功率被确定为第一和第二速率的函数,使得多个信道中的数据速率的变化或传输数据信号的速率在与这种数据速率相关联的基于数据的调整的质量之前被补偿 更改。 优选地,通过重复所选择的数据位,具有第一速率的用户数据信号被转换为具有第二较快速率的传输数据信号,由此在传输数据信号中每比特噪声频谱密度比的能量增加。