Recent topics in the ITU-R relating to mobile radio communications

摘要

Headquartered in Geneva, Switzerland, the International Telecommunication Union (ITU) is responsible for international regulation and standardization in the telecommunications field. In 1985, the ITU's Radiocommunication Sector (ITU-R) initiateddevelopment of the mobile telephone standards underlying the explosive worldwide growth of cellular phone and other mobile radio services. ITU-R's Task Group 8/1, responsible for mobile radio services, is working towards standards for a globally unifiedterrestrial mobile system with completion targeted for the year 2000. ITU-R is also developing a worldwide mobile communications systems using a network of low earth orbiting satellites (LEO). The ITU-R is concerned with both regulations and standards.Reference 1 describes various activities of the ITU-R related to mobile radiocommunications until 1994. This article presents various developments in this field since 1994.