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Title:
TIME SYNCHRONIZATION METHOD BETWEEN COMMUNICATION UNITS AND SYSTEM THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/076480
Kind Code:
A1
Abstract:
Provided is a time synchronization system between communication units, comprising: a remote radio unit (RRU) which comprises a GPS antenna and receives a GPS signal from a satellite through the GPS antenna; and a communication unit which is connected to the remote radio unit by an optical line, and performs time synchronization by receiving the GPS signal through the optical line.

Inventors:
LEE, Jong Gu (Hanil Apt, 11, Jangja-daero 111beon-gil,,Guri-si, Gyeonggi-do 471-768, 471-768, KR)
KIM, Kwon (201-710 Poonglim Apt, 18, Dongcheon-ro, Suji-gu,,Yongin-si, Gyeonggi-do 448-745, 448-745, KR)
KIM, Hyoung Ho (101-102 Daehoplaza apt, 90, Bulgwang-ro,,Eunpyeong-gu, Seoul 122-847, 122-847, KR)
LEE, Kil Soo (111-803 Beodeulchi Maeul Kyoungnam HonorsVille, 157 Seongbok 1-ro, Suji-gu,,Yongin-si, Gyeonggi-do 448-739, 448-739, KR)
Application Number:
KR2014/007591
Publication Date:
May 28, 2015
Filing Date:
August 14, 2014
Export Citation:
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Assignee:
SOLID CO., LTD. (220, Pangyoyeok-ro Bundang-gu,,Seongnam-si, Gyeonggi-do 463-400, 463-400, KR)
International Classes:
H04L7/04
Domestic Patent References:
WO2006007762A1
Foreign References:
CN103259607A
KR20130048382A
US20110158332A1
US20030011514A1
Attorney, Agent or Firm:
ZENA PATENT LAW FIRM (4F, 148 Dogok-ro,,Gangnam-gu, Seoul 135-935, 135-935, KR)
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