摘要
移动通信是移动用户之间或移动用户与固定用户之间的通信。随着电子技术的发展,特别是半导体、集成电路和计算机技术的发展,移动通信得到了迅速的发展。随着其应用领域的扩大和对性能要求的提高,促使移动通信在技术上和理论上向更高水平发展。
Mobile communication connects the mobile communicative users with the fixed communicative users. With the development of electronic technology,especially the development of semiconductor,integrated circuit and computer technology,mobile communication has made rapid progress. The application field has expanded and the performance requirements has improved. It makes mobile communication in technology and theoretical development develop to a higher level.
关键词
第四代移动通信系统
4G移动通信
第四代移动通信
无线覆盖
The fourth generation mobile communication
4 g mobile communication system
the fourth generation of mobile communication
wireless coverage