KR970055976A - Uplink low speed combined control channel strobe signal generator for personal communication terminal - Google Patents

Abstract

In the present invention, when transmitting control data (C's data) from a terminal to a base station for a personal communication device such as a mobile phone, the four subscribers are based on a control data number assigned through the base station and a reference clock of 13 MHz generated by itself. The apparatus for generating an uplink low speed coupled control channel strobe signal of a personal communication terminal capable of generating a strobe signal for an uplink low speed coupled control channel (SACCH). When a corresponding bit synchronization signal is generated, a time slot synchronization signal having a period of 156.25 bits is generated using the bit synchronization signal and the clock signal, and when the count value of the time slot synchronization signal and the reference time slot number coincide. In addition to generating a time slot strobe signal for data transmission and reception, The frame synchronization signal is generated by using the time slot number generated according to the coefficient of the signal, and the frame synchronization signal is generated by counting the frame synchronization signal, and the low speed combined control channel allocated to this frame number and four subscribers. In the signal generated when the frame numbers for the uplinks generated based on the numbers match, a low speed combined control channel strobe signal for transmitting and receiving data corresponding to the corresponding timeslot is generated according to the selection signal for the corresponding 51-multiframe. Will be created.

Description

Uplink low speed combined control channel strobe signal generator for 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 low speed coupled 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 synchronization signal generating means for outputting a frame synchronization signal based on the frame, frame number counting means for outputting frame number data by counting the frame synchronization signal output from the frame synchronization signal generating means, and low speed combining control assigned to four subscribers Means for generating an uplink low speed combined control channel frame number for generating a frame number for the inlink low speed combined control channel based on a reference data value selected from the channel numbers, from the low speed combined control channel numbers assigned to the four subscribers; Reference 51-multi-frame selection signal generating means for generating a selection signal for 51-multi-frame, and frame number counted by the frame number counting means is output from the uplink low speed combined control channel frame number generating means. In the signal that occurs when it matches with the corresponding 51-multi Uplink low speed combining of a personal communication terminal comprising a low speed combining control channel strobe signal generating means for generating a low speed combining control channel strobe signal for transmitting and receiving data corresponding to a corresponding time slot according to a selection signal for a frame; Control channel strobe signal generator. ※ Note: The disclosure is based on the initial application.