Transmitting apparatus, receiving apparatus, and control methods thereof
申请公布号:US9565044(B2)
申请号:US201414497633
申请日期:2014.09.26
申请公布日期:2017.02.07
发明人:Lee Hak-ju;Kwon Soon-chan;Myung Se-ho;Park Jung-hyun;Park Joo-sung;Yang Hyun-koo;Yu Jung-pil;Yun Sung-ryul;Jeong Hong-sil;Han Jung-Il
分类号:H04K1/10;H04L27/26;H04L1/00;H04L5/00
主分类号:H04K1/10
代理人:Sughrue Mion, PLLC
地址:Suwon-si KR
摘要:A transmitting apparatus, a receiving apparatus and methods of controlling these apparatuses are provided. The transmitting apparatus includes: an input processor configured to process a plurality of input streams to generate a plurality of base band frames; a bit interleaved and coded modulation (BICM) processor configured to perform forward error correction (FEC) coding, constellation mapping, and interleaving on the plurality of baseband frames; a symbol generator configured to add signaling data to the plurality of baseband frames output from the BICM processor to generate an orthogonal frequency division multiplexing (OFDM) symbol; and a transmitter configured to select at least one of a plurality of pilot patterns based on a fast Fourier transform (FFT) size and a guard interval fraction, insert a pilot in the OFDM symbol according to the selected pilot pattern, and transmit a stream including the pilot-inserted OFDM symbol.
主权项:1. A transmitting apparatus, comprising: an input processor configured to process an input stream to generate at least one frame; a bit interleaved and coded modulation (BICM) processor configured to perform forward error correction (FEC) coding, constellation mapping, and interleaving on the frame; a symbol generator configured to add signaling data to the frame output from the BICM processor to generate an orthogonal frequency division multiplexing (OFDM) symbol; and a transmitter configured to select at least one of a plurality of pilot patterns based on a fast Fourier transform (FFT) size and a guard interval fraction, insert a pilot in the OFDM symbol according to the selected pilot pattern, and transmit a stream including the pilot-inserted OFDM symbol, wherein a maximum length of a predetermined sequence inserted into the OFDM symbol is defined based on an FFT size and a guard interval fraction as shown in a following table.Maximum sequence length, NPN (chips)Guard Interval FactionFFT3/6/12/24/36/48/57/72/96/Mode51251251251251251251251251232K 50 50 50 48 48 46 46NANA16K100100100 96 96 92 92 88 84 8K204204200196192188184180172.
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