KR920019191A - Transmission - Google Patents

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Publication number
KR920019191A
KR920019191A KR1019920004913A KR920004913A KR920019191A KR 920019191 A KR920019191 A KR 920019191A KR 1019920004913 A KR1019920004913 A KR 1019920004913A KR 920004913 A KR920004913 A KR 920004913A KR 920019191 A KR920019191 A KR 920019191A
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KR
South Korea
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signal
data
signal point
data string
transmission
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KR1019920004913A
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Korean (ko)
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KR960002703B1 (en
Inventor
미쯔아끼 오오시마
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다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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Publication of KR920019191A publication Critical patent/KR920019191A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/12Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

내용 없음No content

Description

전송장치Transmission

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

제1도는 본 발명의 일실시예에 전송장치의 시스템전체를 표시한 구성도.1 is a block diagram showing the entire system of a transmission apparatus according to an embodiment of the present invention.

제2도는 본 발명의 실시예1의 송신기(1)의 블록도.2 is a block diagram of a transmitter 1 of Embodiment 1 of the present invention.

제3도는 본 발명의 실시예1의 송신신호의 벡터도.3 is a vector diagram of a transmission signal of Embodiment 1 of the present invention.

Claims (12)

신호의 입력부와, 반송파를, 상기 입력부로 부터의 입력신호에 의하여 변조하여 신호스페이스다이어그램도면 위에 m값의 신호점을 발생시키는 변조부와, 변조신호를 송신하는 송신부로 이루어지고, 데이터전송을 행하는 전송장치에 있어서, 상기 입력신호로서 n값의 제1데이터열과, 제2데이터열을 입력하고, 상기 신호점을 n개의 신호점군으로 분할하여, 상기 신호점군을 각각 제1데이터열의 각 데이터에 할당하고, 상기 신호점군속의 각 신호점에 제2데이터군의 각 데이터를 할당하여, 송신하는 것을 특징으로 하는 전송장치.A signal input section, a modulator for modulating a carrier by an input signal from the input section to generate a signal point of m value on a signal space diagram, and a transmission section for transmitting a modulated signal. A transmission apparatus comprising: inputting a first data string having a value of n and a second data string as the input signal, dividing the signal points into n signal point groups, and assigning the signal point groups to respective data of the first data string, respectively. And each data of the second data group is allocated to each signal point in the signal point group and transmitted. 제1항에 있어서, 영상신호를 고역영상신호와 저역영상신호로 분리하여, 상기 저역영상신호를 제1데이터열로서 전송하고 상기 고역영상신호를 제2데이터열로서 송신하는 것을 특징으로 하는 전송장치.2. The transmission apparatus according to claim 1, wherein the video signal is divided into a high frequency video signal and a low frequency video signal, and the low frequency video signal is transmitted as a first data string and the high frequency video signal is transmitted as a second data string. . 제1항에 있어서, 제1데이터군 및 제2데이터군의 쌍방을 송신 또는 수신중에 할 수 있는 동시에 송신중에 제2데이터군의 부호착오율이 높아졌을 때에, 제2데이터군의 송신 혹은 수신을 중지하여 제1데이터군만을 전송하는 것을 특징으로 하는 전송장치.The transmission or reception of the second data group according to claim 1, wherein both the first data group and the second data group can be transmitted or received, and when the code error rate of the second data group increases during transmission. And stops and transmits only the first data group. 제1항에 있어서, QAM전송방식의 신호다이어그램도 위에 있어서의 원점에 가장가까운 신호점과 Ⅰ축 혹은 Q축과의 거리를 δ로 하고 시프트량을 S로 하였을 경우, 상기 신호점과 상기 Ⅰ축 혹은 Q축과의 거리가 Sδ인 거리로 되고 또한 S〉1이 되도록 상기 신호점이 상기 신호다이어그램도 위의 위치를 이동시킨 것을 특징으로 하는 전송장치.The signal diagram of the QAM transmission system according to claim 1, wherein when the distance between the signal point closest to the origin and the I-axis or the Q-axis is δ and the shift amount is S, Or the signal point is shifted in the signal diagram so that the distance to the Q axis is Sδ and S> 1. 수신신호의 입력부와 신호스페이스다이어그램 도면위에서, P값의 신호점의 QAM변조신호를 복조하는 복조기와, 출력부를 가진 전송장치에 있어서, 상기 신호점을 n값의 신호점군으로 분할하고, 각 신호점군을 n값의 제1데이터열에 대응시켜서 제1데이터열을 복조하고, 신호점군속의 대략 P/n값의 신호점에 P/n값의 제2데이터열을 대응시켜서 제2데이터열을 복조하고, 제1데이터열과 제2데이터열의 데이터를 복조재생하는 것을 특징으로 하는 전송장치.A demodulator for demodulating a QAM modulated signal of a signal point of P value and an output unit on the input section of the received signal and the signal space diagram, the signal point is divided into n signal point groups and each signal point group Demodulate the first data string by mapping n to the first data string of value n, demodulating the second data string by matching a second data string of P / n value to a signal point of approximately P / n value in the signal point group, And a demodulation-reproducing data of the first data string and the second data string. 제5항에 있어서, 영상신호를 고역영상신호와 저역영상신호로 분리하고, 상기 저역영상신호를 제1데이터열로서 전송하고 상기 고역영상신호를 제2데이터열로서 수신하는 것을 특징으로 하는 전송장치.6. The transmission apparatus according to claim 5, wherein the video signal is divided into a high frequency video signal and a low frequency video signal, the low frequency video signal is transmitted as a first data string, and the high frequency video signal is received as a second data string. . 제5항에 있어서, 제1데이터군 및 제2데이터열의 쌍방을 수신중에, 제2데이터열의 부호착오율이 높아졌을 때에, 필요에 따라서 제1데이터군열의 전송에 한정하는 것을 특징으로 하는 전송장치.6. The transmission apparatus according to claim 5, wherein, when both the first data group and the second data string are received, when the coding error rate of the second data string increases, the transmission device is limited to transmission of the first data group string as necessary. . 제5항에 있어서, 수신신호로부터 반송파를 재생하는 반송파재생부를 가지고, 상기 반송파 재생부는 수신신호의 주파수를 16체배하므로서 반송파를 재생하는 것을 특징으로 하는 전송장치.6. The transmission apparatus according to claim 5, further comprising a carrier reproducing unit for reproducing a carrier wave from the received signal, wherein the carrier reproducing unit reproduces the carrier by multiplying the frequency of the received signal by 16. 제5항에 있어서, QAM전송방식의 신호다이어그램도 위에 있어서의 원점에 가장가까운 신호점과 Ⅰ축 혹은 Q축과의 거리를 δ로 하고 시프트량을 S로 하였을 경우, 상기 신호점과 상기 Ⅰ축 혹은 Q축과의 거리가 Sδ인 거리로 되고 또한 S〉1이 되도록 상기 신호점이 상기 신호다이어그램도면 위의 위치를 이동시킨 것을 특징으로 하는 전송장치.The signal diagram of the QAM transmission system according to claim 5, wherein when the distance between the signal point closest to the origin and the I-axis or the Q-axis is δ and the shift amount is S, Or the signal point is shifted in position on the signal diagram so that the distance from the Q axis is Sδ and S > 신호의 입력부와, 반송파를 상기 입력부로 부터의 입력신호에 의하여 변조해서 신호스페이스다이어그램 도면위에 m값의 신호점을 발생시키는 변조부와, 변조신호를 송신하는 송신부로 이루어지고, 데이터송신을 행하는 전송장치에 있어서, 상기 입력신호로서 n값의 제1데이터열과, 제2데이터열을 입력하고, 상기 신호점을 n개의 신호점군으로 분할하고, 상기 신호점군을 각각 제1데이터열의 각 데이터에 할당하고, 상기 신호점군속의 각 신호점에 제2데이터군의 각 데이터를 할당해서, 송신하는 송신기에 의해 송신신호를 보내고, 상기 송신신호의 입력부와 신호스페이스다이어그램 도면 위에서, P값의 신호점의 QAM변조파를 복조하는 복조기와, 출력부를 가진 수신장치에 있어서, 상기 신호점을 n값의 신호점군으로 분할하고, 각 신호점군을 n값의 제1데이터열에 대응시켜서 복조하고, 신호점군속의 대략 P/n값의 신호점에 P/n값의 제2데이터열을 대응시켜서 복조하고, 제1데이터열과 제2데이터열의 데이터를 복조재생하는 수신장치를 사용하여 데이터수신을 행하는 것을 특징으로 하는 전송장치.A signal input section, a modulation section for modulating a carrier wave by an input signal from the input section to generate a signal point of m value on the signal space diagram, and a transmission section for transmitting a modulated signal, wherein the transmission section performs data transmission. A device comprising: inputting a first data string and a second data string of n values as the input signal, dividing the signal points into n signal point groups, and assigning each of the signal point groups to respective data of the first data string; QAM modulation of the signal point of P value on the input part of the transmission signal and the signal space diagram diagram by sending a transmission signal by transmitting a transmitter by assigning each data of the second data group to each signal point in the signal point group. A demodulator for demodulating a wave, and a receiving device having an output section, wherein the signal points are divided into n-value signal point groups, and each signal point group is a first value of n values. A receiving device for demodulating in correspondence with the column, demodulating by correlating and demodulating and reproducing the data of the first data stream and the second data stream by matching the second data stream of the P / n value to a signal point of approximately P / n value in the signal point group. And a data receiving device for transmitting data. 제10항에 있어서, 영상신호를 고역영상신호와 저역영상신호로 분리하여, 상기 저역영상신호를 제1데이터열로서 전송하고 상기 고역영상신호를 제2데이터열로서 전송하는 것을 특징으로 하는 전송장치.The transmission apparatus according to claim 10, wherein the video signal is divided into a high frequency video signal and a low frequency video signal, and the low frequency video signal is transmitted as a first data string, and the high frequency video signal is transmitted as a second data string. . 제10항에 있어서, QAM전송방식의 신호다이어그램도면 위에 있어서의 원점에 가장가까운 신호점과 Ⅰ축 혹은 Q축과의 거리를 δ로 하고 시프트량을 S로 하였을 경우, 상기 신호점과 상기 Ⅰ축 혹은 Q축과의 거리가 Sδ인 거리로 되고 또한 S〉1이 되도록 상기 신호점이 상기 신호다이어그램도면 위의 위치를 이동시킨 것을 특징으로 하는 전송장치.The signal point and the I-axis according to claim 10, wherein when the distance between the signal point closest to the origin on the signal diagram of the QAM transmission method and the I-axis or the Q-axis is δ and the shift amount is S, Or the signal point is shifted in position on the signal diagram so that the distance from the Q axis is Sδ and S > ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920004913A 1991-03-27 1992-03-26 Signal transmission system KR960002703B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP6279891 1991-03-27
JP91-62798 1991-03-27
JP9581391 1991-04-25
JP91-155650 1991-05-29
JP15565091 1991-05-29
JP18223691 1991-07-23
JP91-182236 1991-07-23
JP91-95813 1991-09-28

Publications (2)

Publication Number Publication Date
KR920019191A true KR920019191A (en) 1992-10-22
KR960002703B1 KR960002703B1 (en) 1996-02-24

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KR1019920004913A KR960002703B1 (en) 1991-03-27 1992-03-26 Signal transmission system

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CN (1) CN1045036C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617531A1 (en) * 1993-03-25 1994-09-28 Matsushita Electric Industrial Co., Ltd. Multiresolution transmission system
CN105791896A (en) * 2013-05-09 2016-07-20 蔡留凤 Ultrahigh-definition digital television signal transmitter on mobile vehicle
CN105763888A (en) * 2013-05-09 2016-07-13 蔡留凤 Ultra high definition digital television signal transmitter capable of improving television program resolution
US9553754B1 (en) * 2015-09-10 2017-01-24 Qualcomm Incorporated Post distortion in satellite communications

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271527A (en) * 1979-08-31 1981-06-02 Paradyne Corporation Double side band-quadrature carrier modulation signal structures
US4597090A (en) * 1983-04-14 1986-06-24 Codex Corporation Block coded modulation system
EP0311188A3 (en) * 1987-10-06 1989-08-16 Koninklijke Philips Electronics N.V. System for broadcasting hdtv images over standard television frequency channels

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KR960002703B1 (en) 1996-02-24
CN1066946A (en) 1992-12-09
CN1045036C (en) 1999-09-08

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