Patent ID: 6411814
Filing Date: 2002-06-25
Classification: H04W

Abstract:
A mobile communication system including a base station for transmitting a call regulation signal representative of a call regulation value and a plurality of mobile terminals responsive to the call regulation signal from said base station, each of said mobile terminals having a call setup request section for transmitting a call setup signal to said base station in response to a call setup request, wherein:each of said mobile terminals comprises: a memory which memorizes whether or not a last call end state of a last call at said mobile terminal is a squelch end by squelch interruption and which, in case where the last call end state memorized in said memory is the squelch end, memorizes as a memorized random minimum value a random minimum value having a value greater than that in case where the last call end state memorized in said memory is not the squelch end; and a probability generating section for generating as a call setup request probability one of a plurality of random numbers having values between a specified random minimum value and a random maximum value; said call setup request section of each mobile terminal comprising: a first unit responsive to the call setup request for receiving the call regulation signal to detect the call regulation value from the call regulation signal; a second unit responsive to the call setup request for reading the memorized random minimum value from said memory as a readout random minimum value, supplying said probability generating section with the readout random minimum value as the specified random minimum value to make said probability generating section generate the call request probability; and a third unit for transmitting the call setup signal to said base station if the call setup request probability is greater than the call regulation value.