(eWiley) Cellular Mobile Radio...

(eWiley) Cellular Mobile Radio Systems1

Introduction

The potential of communicating with moving vehicles without the use of wire was soon recognized following the invention of radio equipment by the end of the nineteenth century and its development in the beginning of the twentieth century [1.1, 1.2]. However, it is only the availability of compact and relatively cheap radio equipment which has led to the rapid expansion in the use of land mobile radio systems. Land mobile radio systems are now becoming so popular, for both business and domestic use, that the available frequency bands are becoming saturated without meeting even a fraction of the increasing demand. To give an example, the estimated number of mobile radios in use in 1984 was about 540 000 with a growth rate of about 10% per annum in the UK; estima