Patent ID: 6195567
Filing Date: 2001-02-27
Classification: H04B,H04W

Abstract:
An antenna system for a cellular telephone system, wherein the cellular telephone system comprises a plurality of cells, each of the cells being comprised of at least one zone, each of the cells having an assigned set of identification codes, and each of the identification codes used to encode radio frequency (RF) signals, a first identification code being used to encode RF signals communicated to a first mobile telephone within the cell and a second identification code being used to encode RF signals communicated to a second mobile telephone within the cell, comprising:a plurality of antennae coupled to a transceiver for transmitting and receiving the RF signals at assigned frequencies for communicating with the first and second mobile telephones within the cell, wherein the first and second mobile telephones use an identical assigned frequency;a combiner, coupled to the antennae, for maintaining communication with the first and second mobile telephones by selectively coupling the transceiver to a first set of antennae for communicating with the first mobile telephone and selectively coupling the transceiver to a second set of antennae for communicating with the second mobile telephone as the first and second mobile telephones move about the cell; anda controller, coupled to the antennae and to the combiner, for maintaining communications with the first and second mobile telephones by changing the identification codes for the first and second mobile telephones as they move from cell to cell.