在蜂窝通信系统中，为了减小由于频率复用造成的共信道干扰，必须对用户的发送功率进行控制。
In cellular systems, transmitter power must be controlled in order to reduce the co-channel interference caused by frequency reuse.
这些需求根据信道带宽和发射频率改变，控制允许发送的频谱。
These requirements govern the allowed spectrum of a transmission and vary according to the bandwidth of the channel and the frequency of transmission.
文章主要对频率干扰进行了讨论分析，结合对PHS中控制信道干扰、业务信道干扰的分析及一些解决方法进行了探讨。
This paper analyzes frequency interference, control channel interference and service channel interference in PHS and it also gives some solutions.
信道质量评估是自适应跳频通信的关键技术，其实时评估结果为自适应频率控制和自适应功率控制提供依据。
Link quality analysis (LQA) is a key measurement process in adaptive frequency hopping (AFH) communication systems and results in adaptive frequency and power control.
频率估计装置57、定时估计装置58分别将频率偏移量和定时偏移量通过控制信道从移动台接收的信号中检测出来。
Frequency and timing estimating units (57, 58) measure frequency and timing offsets, respectively, from a signal received from a mobile station via a control channel.
频率估计装置57、定时估计装置58分别将频率偏移量和定时偏移量通过控制信道从移动台接收的信号中检测出来。
Frequency and timing estimating units (57, 58) measure frequency and timing offsets, respectively, from a signal received from a mobile station via a control channel.
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