KR970055971A - Uplink independent control channel strobe signal generator of personal communication terminal - Google Patents

Abstract

The present invention is directed to four subscribers based on a control data number assigned through a base station and a reference clock of 13 MHｚ which is generated by the base station in transmitting control data (C etc) from a terminal to a base station for a personal communication device such as a portable telephone. An apparatus for generating an uplink independent control channel strobe signal of a personal communication terminal capable of generating a strobe signal for an independent control channel (SDCCH). The bit synchronization signal corresponding to each data bit is based on a 13 MH 신호 clock signal. Generate a time slot synchronizing signal having a period of 156.25 bits by using the bit synchronizing signal and the clock signal, and when the count value of the time slot synchronizing signal coincides with the reference time slot number, In addition to generating a timeslot strobe signal, the timeslot synchronization signal The frame synchronization signal is generated by using the time slot number generated according to the number, the frame synchronization signal is counted to generate a frame number, and then based on the frame number and independent control channel numbers assigned to four subscribers. By comparing the generated frame numbers and outputting the timeslot strobe signal corresponding to the period in which both data values coincide, the independent control channel strobe signal for data transmission and reception for four subscribers is generated.

Description

Uplink independent control channel strobe signal generator of personal communication terminal

Since this is an open matter, no full text was included.

5 is a circuit diagram showing the configuration of an uplink independent control channel strobe signal generator of a personal communication terminal according to an embodiment of the present invention.

Claims (1)

A personal communication system configured to form a time slot with 156.25 bits and each data bit having a length of 48 clocks based on a clock of 13MHｚ, comprising: clock generating means for generating a reference clock of 13MHｚ and the reference; A bit synchronous signal generating means for generating a bit synchronous signal based on a clock and a frame start signal, a time slot synchronous signal generating means for generating a time slot synchronous signal based on the bit synchronous signal and a reference clock, and the time slot synchronous signal A time slot number counting means for counting and outputting a current time slot number, a strobe signal corresponding to the assigned time slots based on the time slot number assigned from the outside and the time slot number counted by the time slot number counting means; Time slot strobe signal generating means for outputting, Time slot number outputting from said time slot number counting means Frame synchronous signal generating means for outputting a frame synchronous signal based on the frame, frame number counting means for outputting frame number data by counting the frame synchronous signal output from the frame synchronous signal generating means, and an independent control channel allocated to four subscribers Uplink independent control channel frame number generating means for generating uplink frame numbers for independent control channels corresponding to four subscribers from the number, and the frame number counted by the frame number counting means and the uplink independent control channel frame. And independent control channel strobe signal generation means for comparing the premium number inputted by the number generation means and outputting a time slot strobe signal corresponding to a period in which both data values coincide. Uplink independent control channel strobe signal generator. ※ Note: The disclosure is based on the initial application.