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KR920020869A - Signal transmission system - Google Patents

Signal transmission system Download PDF

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Publication number
KR920020869A
KR920020869A KR1019920005486A KR920005486A KR920020869A KR 920020869 A KR920020869 A KR 920020869A KR 1019920005486 A KR1019920005486 A KR 1019920005486A KR 920005486 A KR920005486 A KR 920005486A KR 920020869 A KR920020869 A KR 920020869A
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KR
South Korea
Prior art keywords
traffic signal
time slots
transmission system
duration
frames
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KR1019920005486A
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Korean (ko)
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KR100291125B1 (en
Inventor
제임스 리챠드슨 앤드류
죤 메이지 피터
Original Assignee
프레데릭 얀 스미트
엔.브이.필립스 글로아이람펜파브리켄
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Publication of KR920020869A publication Critical patent/KR920020869A/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

내용 없음.No content.

Description

신호 전송 시스템Signal transmission system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 채널 구조의 일예를 도시한 도면.2 is a diagram showing an example of a channel structure.

제3도는 각 프레임이 최소 제어 채널인 M을 포함하는 고속 및 저속 채널 구조를 도시한 도면.3 shows a fast and slow channel structure in which each frame includes M, the minimum control channel.

제6도는 2,4 및 16레벨을 가지는 상이한 변조체계의 위상 위치를 도시한 도면.6 shows phase positions of different modulation schemes having 2, 4 and 16 levels.

제7도는 본 발명에 따른 시스템에 사용하기 적합한 송수신기의 블럭도.7 is a block diagram of a transceiver suitable for use in a system in accordance with the present invention.

Claims (10)

캐리어는 다수의 타임 슬롯으로 분할되고, 최소한 약간의 타임 슬롯은 트래픽(traffic)신호 타임 슬롯이며, 트래픽 신호 타임 슬롯은 최소한 두 예정된 듀레이션(durations)의 하나를 가지며, 트래픽 신호 타임 슬롯의 듀레이션과 무관하게 트래픽 신호 타임 슬롯마다 심볼수는 사실상 동일한 것을 특징으로 하는 전송 시스템.The carrier is divided into multiple time slots, at least some of the time slots are traffic signal time slots, and the traffic signal time slots have at least one of two scheduled durations, independent of the duration of the traffic signal time slots. Preferably, the number of symbols for each traffic signal time slot is substantially the same. 제1항에 있어서, 타임 슬롯은 연쇄(concatenated)프레임내에 배열되고, 프레임내의 트래픽 신호 타임 슬롯의 듀레이션은 동일한 것을 특징으로 하는 전송 시스템.2. A transmission system according to claim 1, wherein the time slots are arranged in concatenated frames, and the duration of traffic signal time slots in the frames is the same. 제1항에 있어서, 타임 슬롯은 연쇄 프레임내에 배열되고, 최소한 하나의 프레임의트래픽 신호 타임 슬롯은 서로 다른 예정된 듀레이션을 갖는 것을 특징으로 하는 전송 시스템.2. A transmission system according to claim 1, wherein the time slots are arranged in a concatenated frame and the traffic signal time slots of at least one frame have different predetermined durations. 제1항에 있어서, 타임 슬롯은 연쇄 프레임내에 배열되고, 캐리어상의 최소한 몇몇 프레임은 동일한 듀레이션의 트래픽 신호 타임 슬롯을 포함하고, 다른 프레임은 서로 다른 예정된 듀레이션을 가진 트래픽 신호 타임슬롯을 포함하는 것을 특징으로 하는 전송 시스템.The method of claim 1, wherein the time slots are arranged in a concatenated frame, at least some frames on the carrier comprise traffic signal time slots of the same duration, and other frames include traffic signal timeslots having different predetermined durations. Transmission system. 제2 내지 4항의 어느 한 항에 있어서, 상기 프레임은 거의 동일한 듀레이션을 갖는 것을 특징으로 하는 전송 시스템.5. Transmission system according to any of claims 2 to 4, wherein the frames have approximately the same duration. 제1 내지 5항의 어느 한 항에 있어서, 서로 다른 예정된 변조 스킴(schemes)은 트래픽 신호를 전송하는데에 이용되는 것을 특징으로 하는 전송 시스템.6. Transmission system according to any of the preceding claims, characterized in that different predetermined modulation schemes are used to transmit the traffic signal. 제1 내지 5항의 어느 한 항에 있어서, 서로 다른 예정된 심볼 레이트 및 서로 다른 에정된 변조 스킴은 트래픽 신호를 전송하는데에 이용되는 것을 특징으로 하는 전송 시스템.6. Transmission system according to any of the preceding claims, wherein different predetermined symbol rates and different prescribed modulation schemes are used to transmit the traffic signal. 제1 내지 7항의 어느 한 항에 있어서, 제어 신호는 트래픽 신호 타임 슬롯의 듀레이션과 무관한 같은 심볼레이트로 전송되는 것을 특징으로 하는 전송 시스템.8. A transmission system according to any of the preceding claims, wherein the control signal is transmitted at the same symbol rate independent of the duration of the traffic signal time slots. 제1 내지 8항의 어느 한 항에 있어서, 각 예정된 변조 스킴과 공동으로 이용되는 심볼로 이루어진 동기 시스는 각 트래픽 신호 타임 슬롯내에 포함되고, 트래픽 신호의 전송에 이용된 변조 레벨수로 표시된 시 스 키를 포함하며, 수신 스테이션은 시 스의 수신에 응답하여, 타임 슬롯내에 포함된 트래픽 신호를 복조하는 데에 이용될 복조 스킴을 선택하는 수단을 갖는 것을 특징으로 하는 전송 시스템.9. A sequence key according to any one of claims 1 to 8, wherein a synchronization sequence consisting of symbols used jointly with each predetermined modulation scheme is contained in each traffic signal time slot and is indicated by the number of modulation levels used for transmission of the traffic signal. Wherein the receiving station has means for responsive to receiving the system, selecting a demodulation scheme to be used to demodulate the traffic signal contained in the time slot. 제1항에서 청구된 바와 같은 전송 시스템내에 이용되는 송수신기에 있어서, 전송기, 수신기, 채널 코딩수단과, 각 타임 슬롯이 최소한 두 에정된 듀레이션의 하나를 갖도록 채널 코딩 수단에 의해 타임 슬롯 발생을 제어하는 제어 수단을 포함하는 것을 특징으로 하는 전송 시스템.A transceiver for use in a transmission system as claimed in claim 1, characterized in that the time slot generation is controlled by the channel coding means such that the transmitter, the receiver, the channel coding means and each time slot has at least one duration defined. A transmission system comprising control means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920005486A 1991-04-03 1992-04-02 Signal transmission method and transmitter Expired - Fee Related KR100291125B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919106941A GB9106941D0 (en) 1991-04-03 1991-04-03 16 qam mobile digital trunked radio system
GB9106941.9 1991-04-03
GB9204726.5 1992-03-05

Publications (2)

Publication Number Publication Date
KR920020869A true KR920020869A (en) 1992-11-21
KR100291125B1 KR100291125B1 (en) 2001-09-17

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ID=10692554

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920005486A Expired - Fee Related KR100291125B1 (en) 1991-04-03 1992-04-02 Signal transmission method and transmitter

Country Status (2)

Country Link
KR (1) KR100291125B1 (en)
GB (2) GB9106941D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000022704A (en) * 1998-08-12 2000-04-25 루센트 테크놀러지스 인크 A method for formatting and conveying information in a wireless telecommunication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000022704A (en) * 1998-08-12 2000-04-25 루센트 테크놀러지스 인크 A method for formatting and conveying information in a wireless telecommunication system

Also Published As

Publication number Publication date
GB9106941D0 (en) 1991-05-22
KR100291125B1 (en) 2001-09-17
GB9204726D0 (en) 1992-04-15

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