论文部分内容阅读
近年来,移动通信在技术、设备和服务规模等方面都有很大的进展。但根据移动通信的特点也带来了不少特殊的技术问题。如窄带数字调制技术、卫星通信技术和计算机技术都将成为移动通信发展的关键。移动通信发展的总趋势是容量越来越大,组网和入网方式越
In recent years, mobile communications have made great strides in terms of technology, equipment and service scale. However, according to the characteristics of mobile communications has also brought a lot of special technical problems. Such as narrowband digital modulation technology, satellite communications technology and computer technology will become the key to the development of mobile communications. The general trend of the development of mobile communication is that the capacity is getting bigger and bigger, the networking and the way of entering the network are more