KR970055965A - Data strobe signal generator for the assigned timeslot of personal communication terminal - Google Patents
Data strobe signal generator for the assigned timeslot of personal communication terminal Download PDFInfo
- Publication number
- KR970055965A KR970055965A KR1019950067463A KR19950067463A KR970055965A KR 970055965 A KR970055965 A KR 970055965A KR 1019950067463 A KR1019950067463 A KR 1019950067463A KR 19950067463 A KR19950067463 A KR 19950067463A KR 970055965 A KR970055965 A KR 970055965A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- time slot
- bit
- generating
- slot number
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0694—Synchronisation in a TDMA node, e.g. TTP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1694—Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Abstract
본 발명은 휴대용 전화기 등의 개인통신장치에 있어서 기지국으로부터 송신되어 온 프레임개시신호와 사용이 허용된 타임슬롯번호를 근거로 해당하는 타임슬롯(Time Slot)에 대한 스트로브(Strobe)신호를 생성하도록 된 개인통신용 단말기의 할당된 타임슬롯에 대한 데이터 스트로브신호의 발생장치에 관한 것으로서, 13MHz의 클록을 기준으로 하여 각 데이터 비트를 48클록의 길이를 함과 더불어, 156.25비트로 하나의 타임슬롯을 구성하도록 된 개인통신 시스템에 있어서, 13MHz의 기준클록을 생성하는 클록발생수단과, 상기 기준클록과 프레임개시신호를 근거로 비트동기신호를 생성하는 비트동기신호 발생수단, 상기 비트동기신호와 기준클럭을 근거로 타임슬롯동기신호를 생성하는 타임슬롯동기신호 발생수단, 상기 타임슬롯동기신호를 계수하여 현재의 타임슬롯번호를 출력하는 타임슬롯번호 계수수단, 외부로부터 설정된 타임슬롯번호를 저장하는 래치수단, 상기 타임슬롯번호 계수수단에 의해 계수된 타임슬롯번호와 상기 래치수단에 의해 등록된 타임슬롯번호를 비교하여 양 데이터가 일치하는 기간에 대응하는 클록신호를 출력하는 비교수단, 상기 비트동기신호를 148개 계수하여 148비트신호를 출력하는 148비트신호 발생부 및, 상기 비교수단으로부터 클록신호가 출력되는 시점부터 상기 148비트신호 발생부로부터 148비트신호가 출력되는 시점까지의 시간구간동안 소정의 레벨신호를 출력하는 데이터 스트로브신호 출력수단을 포함하여 구성된 것을 특징으로 한다.The present invention is to generate a strobe signal for a corresponding time slot based on a frame start signal transmitted from a base station and a time slot number allowed for use in a personal communication device such as a portable telephone. The present invention relates to a device for generating a data strobe signal for an allocated time slot of a personal communication terminal, wherein each data bit has a length of 48 clocks based on a 13 MHz clock, and constitutes one time slot with 156.25 bits. A personal communication system, comprising: clock generating means for generating a reference clock of 13 MHz, a bit synchronous signal generating means for generating a bit synchronous signal based on the reference clock and a frame start signal, and based on the bit synchronous signal and the reference clock. A time slot synchronous signal generating means for generating a time slot synchronous signal, said time slot synchronous signal A time slot number counting means for counting and outputting a current time slot number, a latch means for storing a time slot number set from the outside, a time slot number counted by the time slot number counting means and a time registered by the latch means Comparison means for comparing a slot number and outputting a clock signal corresponding to a period in which both data coincide; a 148-bit signal generator for counting 148 bit synchronization signals and outputting a 148-bit signal; and a clock signal from the comparison means And a data strobe signal output means for outputting a predetermined level signal for a time period from the time point at which the 148-bit signal generator to the time point at which the 148-bit signal is output.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제3도는 본 발명의 1실시예에 따른 개인통신용 단말기의 할당된 타임슬롯에 대한 데이터 스트로브신호 발생장치의 구성을 나타낸 회로구성도.3 is a circuit diagram showing the configuration of a data strobe signal generator for an assigned timeslot of a personal communication terminal according to an embodiment of the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950067463A KR100197486B1 (en) | 1995-12-29 | 1995-12-29 | Data strove signal generating device for pcs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950067463A KR100197486B1 (en) | 1995-12-29 | 1995-12-29 | Data strove signal generating device for pcs |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970055965A true KR970055965A (en) | 1997-07-31 |
KR100197486B1 KR100197486B1 (en) | 1999-06-15 |
Family
ID=19447737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950067463A KR100197486B1 (en) | 1995-12-29 | 1995-12-29 | Data strove signal generating device for pcs |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100197486B1 (en) |
-
1995
- 1995-12-29 KR KR1019950067463A patent/KR100197486B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100197486B1 (en) | 1999-06-15 |
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