Patent ID: 6674791
Filing Date: 2004-01-06
Classification: G06F,H03H,H04B,H04J,H04L,H04N,H04W,Y02D

Abstract:
A method of self blocking for a subscriber unit (SU) which conducts wireless communication with a base station in a spread spectrum communication system using code division multiple access, the method comprising:providing a SU transmitter for transmitting signals over global and assigned channels to a base station which are initialized at a initial power level and adjusted to a controlled power level in advance of transmitting a communication data signal on an assigned channel to the base station; controlling the power level of said SU transmitter to adjust the SU transmitter power level in response to power control signals received from the base station; and monitoring the SU transmitter power level in advance of transmitting a communication data signal on an assigned channel to the base station and controlling the transmitter such that transmission of a communication data signal on an assigned channel is blocked if a predetermined power limit is reached before commencing transmission of the communication data signal on the assigned channel.