OFDM TRANSMISSION METHOD AND DEVICE IN WIRELESS LAN SYSTEM

WIPO Patent Application WO/2013/191449

A1

An OFDM transmission method and device in a wireless LAN system are disclosed. An OFDM transmission device ini a wireless LAN system according to one embodiment of the present invention comprises: a signal repetition unit for repeating an encoded signal in block units and outputting both the encoded signal and a repeated signal; an interleaver for outputting an interleaved signal by interleaving the encoded signal and the repeated signal; a modulation unit for outputting modulated symbols by modulating the interleaved signal; and a phase rotation unit for shifting the phases of the modulated symbols.

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YU HEE JUNG (KR)
CHEONG MIN HO (KR)
LEE JAE SEUNG (KR)
KWON HYOUNG JIN (KR)
LEE SOK KYU (KR)

PCT/KR2013/005376

December 27, 2013

June 19, 2013

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KOREA ELECTRONICS TELECOMM (KR)

H04L27/26

WO2011084356A1

2011-07-14

US20070296616A1

2007-12-27

ZHANG, HONGYUAN ET AL.: "11ah Data Transmission Flow", IEEE 802.11-11/1484RL, 8 November 2011 (2011-11-08), Retrieved from the Internet
YU, HEE JUNG ET AL.: "Repetition Schemes For TGah", IEEE 802.11-11/1490R0, 7 November 2011 (2011-11-07), Retrieved from the Internet
CARIOU, LAURENT: "DFT-spread OFDM optimized for 802.11ah", IEEE 802.11-11/0753R0, 10 May 2011 (2011-05-10), Retrieved from the Internet

MUHANN PATENT & LAW FIRM IV-1 (KR)
특허법인 무한 (KR)

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