Patent ID: 6775317
Filing Date: 2004-08-10
Classification: H04B

Abstract:
A method for spread spectrum communications between a base station and a mobile station, said method comprising the steps of:(a) controlling a transmitter of said base station to stop a spread modulation so as to transmit a free-line signal and a call-in signal to said mobile station which is in a wait state of waiting to receive said signals; (b) controlling a receiver of said mobile station to stop a despread modulation in said wait state of said mobile station so as to receive said free-line signal and said call-in signal from said base station; and (c) controlling said transmitter to modulate, spread, and then transmit and the receiver to receive and then despread and demodulate: a control signal for connecting a line after transmitting and receiving said call-in signal are completed; a control signal for connecting said line when a call-out request is sent from said mobile station; and a communication information signal and a communication-completion control signal which are transmitted and received through said line.