ＣＴ２与ＰＣＮ吴彦群科学技术的更新及物质生活的提高，促进了移动通信的迅速普及。近年来，研究人员又提出个人通信（ＰＣＮ）的概念，它不仅是人们的一种美好愿望，同时又是一场通信革命，已经成为无线通信乃至整个通信领域发展的必然趋势。但很多人对个人通信的含义不... CT2 and PCN Wu Yanqun Science and technology updates and material life improvement, and promote the rapid popularization of mobile communications. In recent years, researchers have proposed the concept of Personal Communication (PCN). It is not only a good wish of people, but also a communication revolution. It has become an inevitable trend of development in the field of wireless communication and even the entire communication field. But many people do not mean the meaning of personal communication ...