Patent ID: 6466766
Filing Date: 2002-10-15
Classification: H04B,H04W

Abstract:
A specialized mobile radio system for providing both dispatch and cellular radio operations in a predetermined propagation area, said system comprising:an antenna system having an electronically steerable, narrow beam; at least one repeater coupled to said antenna system, said repeater operable in any one of a plurality of frequencies and capable of changing from one frequency to another frequency in a predetermined sequence; a control computer coupled to said repeater and to said antenna for rotating the beam of said antenna and for scanning a plurality of frequencies to provide service in a plurality of cells extending radially from said antenna system; wherein said control computer includes a memory containing a table of call signs corresponding to said plurality of frequencies and said computer causes each repeater to automatically identify itself with one of said call signs when the corresponding frequency is selected for transmission by downloading frequency and call sign data to each repeater.