现代蜂窝无线移动通信（cellular radio mobile communication）的概念是美国的贝尔实验室在1947年提出的[9]，并于1958年向美国联邦通信委员会（FCC）提出了建议。
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扩频技术在数字蜂窝移动通信系统、卫星移动通信、室内无线通信和未来的个人通信中被广泛采用。
Spread Spectrum technique is widely used in digital cell-phone mobile communication system, satellite mobile communication, inside wireless communication and future personal communication.
POC业务是伴随着3 G网络建设的日益临近而随之产生的一种基于无线蜂窝移动通信网的宽带业务。
With the approaching of 3g networking, a kind of business of broadband based on mobile communication network POC (Push to Talk over Cellular) has appeared.
蜂窝数字分组数据通信网(CDPD)是新一代移动无线数据通信技术。
CDPD is a new kind of mobile wireless data communication technology.
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