Patent ID: 6208841
Filing Date: 2001-03-27
Classification: H04B,H04W

Abstract:
An environmental simulator for use in the testing of wireless devices, comprising:a base station simulator configured to create forward link signaling intended for a wireless remote unit;a signal manipulator coupled to said base station simulator and configured to impose a measure of manipulation of said forward link signaling in order to produce one or more manipulated forward link signals;a switch having a plurality of input ports coupled to said one or more manipulated forward link signals and having a series of output ports, wherein said switch is configured to programmably couple one or more input port to one or more output port;an antenna array comprising a plurality of antennas, each antenna coupled to at least one of said series of output ports, said antenna array configured to couple wireless signals to a wireless remote unit; anda controller coupled to said signal manipulator and said switch, said controller controlling said measure of manipulation imposed by said signal manipulator and said programmable coupling of said switch.