公开(公告)号：CA2687675C

公开(公告)日：2014-05-27

申请号：CA2687675

申请日：2009-12-07

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM HYOUNGSOO ,  KIM HEUNG-MOOK ,  LEE SOO-IN

IPC: H04W48/10 ,  H04H20/71 ,  H04H60/02 ,  H04H60/90 ,  H04W24/08 ,  H04W36/30

Abstract: An apparatus for transmitting a signal for handoff in a transmitter of a broadcasting network where a plurality of center frequencies exist includes: a baseband broadcasting signal generation unit configured to generate a baseband broadcasting signal from broadcasting data to be transmitted; a transmitter identification signal sequence generation unit configured to generate a transmitter identification signal of the transmitter; a first transmission unit configured to combine the baseband broadcasting signal and the transmitter identification signal, and up-convert the combined signal to a center frequency of the transmitter; and a second transmission unit configured to modulate the transmitter identification signal, and up-convert the modulated transmitter identification signal to center frequencies of adjacent transmitters.

公开(公告)号：CA2714748C

公开(公告)日：2013-07-16

申请号：CA2714748

申请日：2010-09-08

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： PARK SUNG-IK ,  LIM HYOUNGSOO ,  KIM HEUNG-MOOK ,  KANG DONGHOON ,  OH WANGROK

IPC: H04L23/02 ,  H03D7/00 ,  H03M9/00 ,  H04B1/68 ,  H04H20/00 ,  H04L27/32

Abstract: A transmitter for transmitting data in a communication system includes: a serial/parallel (S/P) conversion unit configured to convert data into an I signal and a Q signal; multiplication units configured to multiply the converted I and Q signals by orthogonal sequences, respectively; conversion units configured to Hilbert-transform the I and Q signals multiplied by the orthogonal sequences; addition units configured to add the I and Q signals multiplied by the orthogonal sequences and the Hilbert-transformed Q and I signal, respectively; and an intermediate frequency (IF)/radio frequency (RF) unit configured to up-convert the added I signal and the added Q signal and transmit the converted I and Q signals.

公开(公告)号：EP2087686A4

公开(公告)日：2012-06-27

申请号：EP07833781

申请日：2007-10-31

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM HYOUNGSOO ,  PARK SO-RA ,  KIM SUNG-HOON ,  BAE JAE-HWUI ,  LIM JONG-SOO ,  LEE SOO-IN

IPC: H04L27/36 ,  H04L25/02 ,  H04L27/26

CPC classification number: H04L27/2604 ,  H04L25/022 ,  H04L25/0236

公开(公告)号：EP2103148A4

公开(公告)日：2013-10-09

申请号：EP07851325

申请日：2007-12-07

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： KIM SUNG-HOON ,  LIM JONG-SOO ,  LEE SOO-IN ,  YUN KUG-JIN ,  LIM HYOUNGSOO ,  KIM YANG-SU

IPC: H04N13/00 ,  H04N7/088 ,  H04N7/26 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/4402 ,  H04N21/63

CPC classification number: H04N21/2365 ,  H04H20/28 ,  H04H20/40 ,  H04N13/0048 ,  H04N13/0059 ,  H04N13/0456 ,  H04N19/597 ,  H04N21/234 ,  H04N21/234327 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/238 ,  H04N21/4345 ,  H04N21/440227 ,  H04N21/816

Abstract: Provided are a transmitting and receiving system for non-realtime based digital realistic broadcasting, and a method thereof. The transmitting system includes a broadcasting TS generator for generating a 2-D TS for a 2-D image and an auxiliary TS for auxiliary information necessary for realistic broadcasting of the 2-D image, and a transmitter for transmitting the generated auxiliary transport stream before a corresponding broadcasting time and transmitting the generated 2-D transport stream according to a corresponding broadcasting schedule.

公开(公告)号：EP2299704A4

公开(公告)日：2014-03-05

申请号：EP09755053

申请日：2009-05-29

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： PARK SUNG-IK ,  LIM HYOUNGSOO ,  KIM HEUNG-MOOK ,  LEE SOO-IN

IPC: H04N7/08 ,  H04L1/00

CPC classification number: H04H40/18 ,  H04B1/709 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L2001/0093

Abstract: A method and apparatus for transmitting/receiving broadcasting-communication data is provided. The apparatus includes: an original signal generator configured to receive the original data and generate baseband original signals; a first modulator configured to receive the baseband additional signals and generate original signals of a predetermined band; an additional signal generator configured to receive the additional data and generate baseband additional signals; a second modulator configured to receive the baseband additional signals and generate additional signals of a predetermined band; an average power controller configured to control an average power of the additional signals of the predetermined band; an inserter configured to insert the additional signals of the predetermined band with a controlled average power to the original signals of the predetermined band to thereby generate mixed signals of a predetermined band; and a transmitter configured to transmit the mixed signals of the predetermined band.

公开(公告)号：EP2100450A4

公开(公告)日：2012-02-29

申请号：EP07851295

申请日：2007-12-06

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： KIM JU-YEUN ,  BAE JAE-HWUI ,  PARK SO-RA ,  LIM HYOUNGSOO ,  KIM YANG-SU ,  KIM YOUNG-SU ,  CHOI SEOMEE ,  SEO JAE-HYUN ,  KIM HEUNG-MOOK ,  LIM JONG-SOO ,  LEE SOO-IN ,  AHN CHIETEUK ,  EUM NAK-WOONG

IPC: H04N7/24 ,  H03M13/15 ,  H03M13/27 ,  H04H20/28 ,  H04H20/44 ,  H04H20/95 ,  H04H40/18 ,  H04L1/00 ,  H04L27/18 ,  H04L27/34

CPC classification number: H03M13/1515 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/23 ,  H03M13/2732 ,  H03M13/2957 ,  H03M13/6368 ,  H04H20/28 ,  H04H20/44 ,  H04H20/95 ,  H04H40/18 ,  H04L27/183 ,  H04L27/3488 ,  H04L2001/0093 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2383 ,  H04N21/2662 ,  H04N21/4382 ,  H04N21/64792

公开(公告)号：EP2090049A4

公开(公告)日：2011-11-30

申请号：EP07851250

申请日：2007-12-04

Applicant: KOREA ELECTRONICS TELECOMM ,  INST RES INDUSTRY COOPERATION PNU

Inventor： LIM HYOUNGSOO ,  KIM YOUNG-SU ,  CHOI SEOMEE ,  LIM JONG-SOO ,  KWON DAE-KEN ,  KIM HYOUNG-NAM

IPC: H04L27/18 ,  H04L27/20 ,  H04L27/34 ,  H04L27/38

CPC classification number: H04L27/389 ,  H04L5/0007 ,  H04L25/0224 ,  H04L27/02 ,  H04L27/2071 ,  H04L27/2075 ,  H04L27/3483 ,  H04L27/361