WO2011096735A3 - Broadcast signal transmitter and receiver, and broadcast signal transmitting and receiving method - Google Patents

Broadcast signal transmitter and receiver, and broadcast signal transmitting and receiving method Download PDF

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Publication number
WO2011096735A3
WO2011096735A3 PCT/KR2011/000737 KR2011000737W WO2011096735A3 WO 2011096735 A3 WO2011096735 A3 WO 2011096735A3 KR 2011000737 W KR2011000737 W KR 2011000737W WO 2011096735 A3 WO2011096735 A3 WO 2011096735A3
Authority
WO
WIPO (PCT)
Prior art keywords
input signal
signal
broadcast signal
qam
symbol
Prior art date
Application number
PCT/KR2011/000737
Other languages
French (fr)
Korean (ko)
Other versions
WO2011096735A2 (en
Inventor
고우석
문상철
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2011096735A2 publication Critical patent/WO2011096735A2/en
Publication of WO2011096735A3 publication Critical patent/WO2011096735A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/33—Arrangements for simultaneous broadcast of plural pieces of information by plural channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/71—Wireless systems
    • H04H20/72—Wireless systems of terrestrial networks
    • 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
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded modulation
    • 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
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • 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
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Radio Transmission System (AREA)

Abstract

According to one embodiment of the present invention, a broadcast signal transmitter comprises: an FEC encoder which performs FEC encoding on data; a demultiplexer which reorders the bit order of the FEC-encoded data; a divider which reorders the reordered bits in accordance with the QAM types of a first input signal and of a second input signal so as to output the first input signal and the second input signal; a first symbol mapper and a second symbol mapper which perform symbol mapping on the first input signal and on the second input signal to generate an M-QAM symbol signal and an N-QAM symbol signal, respectively; a MIMO encoder which performs MIMO processing on the first input signal and on the second input signal so as to output a first M*N-QAM-type transmission signal and a second M*N-QAM-type transmission signal; and a first OFDM generator and a second OFDM generator which perform OFDM modulation on the first transmission signal and on the second transmission signal, respectively.
PCT/KR2011/000737 2010-02-04 2011-02-01 Broadcast signal transmitter and receiver, and broadcast signal transmitting and receiving method WO2011096735A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30159610P 2010-02-04 2010-02-04
US61/301,596 2010-02-04

Publications (2)

Publication Number Publication Date
WO2011096735A2 WO2011096735A2 (en) 2011-08-11
WO2011096735A3 true WO2011096735A3 (en) 2011-11-24

Family

ID=44355979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/000737 WO2011096735A2 (en) 2010-02-04 2011-02-01 Broadcast signal transmitter and receiver, and broadcast signal transmitting and receiving method

Country Status (1)

Country Link
WO (1) WO2011096735A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1661346B1 (en) * 2003-07-14 2008-07-30 NTT DoCoMo, Inc. Apparatus and method for providing a multi-carrier signal to be transmitted and apparatus and method for providing an output signal from a received multi-carrier signal
KR20080105822A (en) * 2007-06-01 2008-12-04 삼성전자주식회사 Apparatus and method for transmitting and receiving signal multiple input multiple output broadband wireless communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1661346B1 (en) * 2003-07-14 2008-07-30 NTT DoCoMo, Inc. Apparatus and method for providing a multi-carrier signal to be transmitted and apparatus and method for providing an output signal from a received multi-carrier signal
KR20080105822A (en) * 2007-06-01 2008-12-04 삼성전자주식회사 Apparatus and method for transmitting and receiving signal multiple input multiple output broadband wireless communication system

Also Published As

Publication number Publication date
WO2011096735A2 (en) 2011-08-11

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