DK2086155T4 - Apparat til transmission og modtagelse af et signal samt en fremgangsmåde til transmission og modtagelse af et signal - Google Patents
Apparat til transmission og modtagelse af et signal samt en fremgangsmåde til transmission og modtagelse af et signal Download PDFInfo
- Publication number
- DK2086155T4 DK2086155T4 DK08172467.6T DK08172467T DK2086155T4 DK 2086155 T4 DK2086155 T4 DK 2086155T4 DK 08172467 T DK08172467 T DK 08172467T DK 2086155 T4 DK2086155 T4 DK 2086155T4
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- information
- plp
- layer
- bits
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Radar Systems Or Details Thereof (AREA)
- Mobile Radio Communication Systems (AREA)
- Burglar Alarm Systems (AREA)
- Error Detection And Correction (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Radio Relay Systems (AREA)
Claims (15)
1. Fremgangsmåde til transmission af en udsendelsessignalramme til digitalt TV (DTV), hvilken fremgangsmåde omfatter: at danne (S531) lag-1-information, hvor lag-1-informationen er en fysisk parameter til at signalere en PLP (physical layer pipe), som leverer en servicestrøm, at opbygge (S533) signalrammen, der omfatter en nytteinformation og en præambel, hvor præamblen omfatter et første pilotsignal, der går forud for et andet pilotsignal, hvor det andet pilotsignal indbefatter lag-l-informationen, hvor PLP’en er indbefattet i nytteinformationen og i det andet pilotsignal, og at transmittere signalrammen via mindst én radiofrekvenskanal (RF-kanal), hvor lag-l-informationen er indkodet til en afkortet og punkteret LDPC-kode (Low Density Parity Check).
2. Fremgangsmåde ifølge krav 1, hvor lag-l-informationen indbefatter præsignaleringsinformation og postsignaleringsinformation, og hvor præsignaleringsinformationen indbefatter en størrelse af postsignaleringsinformationen, og postsignaleringsinformationen indbefatter en startadresse for PLP’en.
3. Fremgangsmåde ifølge krav 2, hvor startadressen af PLP’en udskilles ved anvendelse af en størrelse af lag-1-informationens postsignaleringsinformation.
4. Fremgangsmåde ifølge krav 1, hvor lag-l-informationen indbefattes i det andet pilotsignal, og PLP’en indbefattes i nytteinformationen og en tilbageværende del af det andet pilotsignal efter lag-l-informationen.
5. Fremgangsmåde til modtagelse af en udsendelsessignalramme til digitalt TV (DTV), hvilken fremgangsmåde omfatter: at modtage (S541, S543) et signal transmitteret fra en radiofrekvenskanal (RF-kanal) at afkode det modtagne signals signalramme, hvor signalrammen omfatter en nytteinformation og en præambel, hvor præamblen omfatter et første pilotsignal, der går forud for et andet pilotsignal, hvor det andet pilotsignal indbefatter lag-1-informationen, hvor en PLP (physical layer pipe) er indbefattet i nytteinformationen og i det andet pilotsignal, og at udskille (S547) PLP’en fra signalrammen ved anvendelse af lag-1-informationen, hvor lag-1-informationen er en afkortet og punkteret LDPC-kode (Low Density Parity Check).
6. Fremgangsmåde ifølge krav 5, hvor lag-1-informationen indbefatter præsignaleringsinformation og postsignaleringsinformation, og hvor præsignaleringsinformationen indbefatter en størrelse af postsignaleringsinformationen, og postsignaleringsinformationen indbefatter en startadresse for PLP’en.
7. Fremgangsmåde ifølge krav 6, hvor PLP’en udskilles ved anvendelse af mindst én af en størrelse af postsignaleringsinformationen og en startadresse for PLP’en.
8. Fremgangsmåde ifølge krav 7, hvor startadressen for PLP’en er nummeret på en celle indbefattet i et sidste OFDM-symbol for lag-1-informationen.
9. Fremgangsmåde ifølge krav 5, hvor lag-1-informationen indbefattes i det andet pilotsignal, og PLP’en indbefattes i nytteinformationen og i en tilbageværende del af det andet pilotsignal efter lag-1-informationen.
10. Apparat til transmission af en udsendelsessignalramme til digitalt TV (DTV), hvilket apparat omfatter: en informationsgenerator (1301), der er konfigureret til at danne lag-1-information, hvor lag-1 er en fysisk parameter til at signalere en PLP (physical layer pipe), som leverer en servicestrøm, en rammeopbygningsindretning (130), der er konfigureret til at opbygge signalrammen, der omfatter en nytteinformation og en præambel, hvor præamblen omfatter et første pilotsignal, der går forud for et andet pilotsignal, hvor det andet pilotsignal indbefatter lag-1-informationen, hvor PLP’en er indbefattet i nytteinformationen og i det andet pilotsignal, og en transmitteringsenhed (160a, 160r), der er konfigureret til at transmittere den modulerede signalramme via mindst én radiofrekvenskanal (RF-kanal), hvor lag-1-informationen er indkodet til en afkortet og punkteret LDPC-kode (Low Density Parity Check).
11. Apparat ifølge krav 10, hvor lag-1-informationen indbefatter præsignaleringsinformation og postsignaleringsinformation, og hvor præsignaleringsinformationen indbefatter en størrelse af postsignaleringsinformationen, og postsignaleringsinformationen indbefatter en startadresse for PLP’en.
12. Apparat til modtagelse af en udsendelsessignalramme til digitalt TV (DTV), hvilket apparat omfatter: en modtager (210a, 210n), der er konfigureret til at modtage et signal transmitteret fra en radiofrekvenskanal (RF-kanal) og detektere et første pilotsignal fra det modtagne signal; en rammeparser (240), der er konfigureret til at afkode det modtagne signals signalramme, hvor signalrammen omfatter en nytteinformation og en præambel, hvor præamblen omfatter et første pilotsignal, der går forud for et andet pilotsignal, hvor det andet pilotsignal indbefatter lag-1-information, hvor en PLP (physical layer pipe) er indbefattet i nytteinformationen og i det andet pilotsignal, og at udskille PLP’en fra signalrammen ved anvendelse af lag-1-informationen, hvor lag-1-informationen er en afkortet og punkteret LDPC-kode (Low Density Parity Check).
13. Apparat ifølge krav 12, hvor lag-1-informationen indbefatter præsignaleringsinformation og postsignaleringsinformation, og hvor præsignaleringsinformationen indbefatter en størrelse af postsignaleringsinformationen, og postsignaleringsinformationen indbefatter en startadresse for PLP’en.
14. Apparat ifølge krav 13, hvor rammeparseren endvidere er konfigureret til at udskille PLP’en ved anvendelse af mindst én af en størrelse af postsignaleringsinformationen og en startadresse for PLP’en.
15. Apparat ifølge krav 12, hvor lag-1-informationen indbefattes i det andet pilotsignal, og PLP’en indbefattes i nytteinformationen og en tilbageværende del af det andet pilotsignal efter lag-1-informationen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2582308P | 2008-02-04 | 2008-02-04 | |
| KR1020080127315A KR100937429B1 (ko) | 2008-02-04 | 2008-12-15 | 신호 송수신 방법 및 신호 송수신 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK2086155T3 DK2086155T3 (da) | 2010-11-29 |
| DK2086155T4 true DK2086155T4 (da) | 2014-12-15 |
Family
ID=43304028
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK08872240.0T DK2238750T3 (da) | 2008-02-04 | 2008-12-19 | Indretning til afsendelse og modtagelse af et signal og fremgangsmåde til afsendelse og modtagelse af et signal |
| DK09178373.8T DK2154810T3 (da) | 2008-02-04 | 2008-12-19 | Apparat til transmission og modtagelse af et signal og fremgangsmåde til transmission og modtagelse af et signal |
| DK10168037.9T DK2228938T3 (da) | 2008-02-04 | 2008-12-19 | Fremgangsmåde og indretning til modtagelse af et signal |
| DK10168038.7T DK2228939T3 (da) | 2008-02-04 | 2008-12-19 | Fremgangsmåde og indretning til transmission af et signal |
| DK08172467.6T DK2086155T4 (da) | 2008-02-04 | 2008-12-19 | Apparat til transmission og modtagelse af et signal samt en fremgangsmåde til transmission og modtagelse af et signal |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK08872240.0T DK2238750T3 (da) | 2008-02-04 | 2008-12-19 | Indretning til afsendelse og modtagelse af et signal og fremgangsmåde til afsendelse og modtagelse af et signal |
| DK09178373.8T DK2154810T3 (da) | 2008-02-04 | 2008-12-19 | Apparat til transmission og modtagelse af et signal og fremgangsmåde til transmission og modtagelse af et signal |
| DK10168037.9T DK2228938T3 (da) | 2008-02-04 | 2008-12-19 | Fremgangsmåde og indretning til modtagelse af et signal |
| DK10168038.7T DK2228939T3 (da) | 2008-02-04 | 2008-12-19 | Fremgangsmåde og indretning til transmission af et signal |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20110013718A1 (da) |
| EP (5) | EP2238750B1 (da) |
| KR (2) | KR100937429B1 (da) |
| CN (1) | CN101933325B (da) |
| AT (3) | ATE477633T1 (da) |
| DE (2) | DE602008003570D1 (da) |
| DK (5) | DK2238750T3 (da) |
| ES (4) | ES2388417T3 (da) |
| HR (1) | HRP20100518T4 (da) |
| PL (5) | PL2086155T5 (da) |
| RU (1) | RU2440690C1 (da) |
| SI (4) | SI2228938T1 (da) |
| WO (1) | WO2009099272A2 (da) |
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