THE ATTENTIVE PROBLEMS DEALING WITH THE DEVELOPMENT OF MOBILE COMMUNICATION IN CHINA

摘要

This paper will put forward some problems appearing in further developing mobile communications,which have to be urgently resolved.The paper will describe in detail the principles about the determination of mobile communication border and antenna height,and beam forming techniques.Some technical policies will be also discussed.Authors expect that the principles and points mentioned in the paper will be of active significance to developing countries in development of mobile communications.In recent years,development of mobile communications has rapidly been progressing in China.Up to now,the subscriber's number for radio paging has been over 3.6 millions,and the subscriber's number for cellular systems exceeded one million.It is noticed that there are some problems which should be discussed and resolved to speed up the development of mobile communications in China.