HRP20110693T1 - Poboljšani načini sinhronizacije jednofrekventnog istodobnog emitiranja pokretne radio komunikacijske mreže - Google Patents

Poboljšani načini sinhronizacije jednofrekventnog istodobnog emitiranja pokretne radio komunikacijske mreže Download PDF

Info

Publication number
HRP20110693T1
HRP20110693T1 HR20110693T HRP20110693T HRP20110693T1 HR P20110693 T1 HRP20110693 T1 HR P20110693T1 HR 20110693 T HR20110693 T HR 20110693T HR P20110693 T HRP20110693 T HR P20110693T HR P20110693 T1 HRP20110693 T1 HR P20110693T1
Authority
HR
Croatia
Prior art keywords
frequency
reference signal
signal
universal
station
Prior art date
Application number
HR20110693T
Other languages
English (en)
Croatian (hr)
Inventor
Residori Francesco
Original Assignee
Selex Elsag S.P.A.
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 Selex Elsag S.P.A. filed Critical Selex Elsag S.P.A.
Publication of HRP20110693T1 publication Critical patent/HRP20110693T1/hr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0008Synchronisation information channels, e.g. clock distribution lines
    • H04L7/0012Synchronisation information channels, e.g. clock distribution lines by comparing receiver clock with transmitter clock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations
    • H04B7/15528Control of operation parameters of a relay station to exploit the physical medium
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/67Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HR20110693T 2007-03-15 2011-09-28 Poboljšani načini sinhronizacije jednofrekventnog istodobnog emitiranja pokretne radio komunikacijske mreže HRP20110693T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000194A ITTO20070194A1 (it) 2007-03-15 2007-03-15 Perfezionamenti nelle tecniche di sincronizzazione per reti di comunicazioni radio-mobili iso-frequenziali simulcast
PCT/IB2008/050889 WO2008110992A1 (en) 2007-03-15 2008-03-12 Improvements to synchronization methods for single-frequency simulcast mobile radio communication networks

Publications (1)

Publication Number Publication Date
HRP20110693T1 true HRP20110693T1 (hr) 2011-10-31

Family

ID=39616418

Family Applications (1)

Application Number Title Priority Date Filing Date
HR20110693T HRP20110693T1 (hr) 2007-03-15 2011-09-28 Poboljšani načini sinhronizacije jednofrekventnog istodobnog emitiranja pokretne radio komunikacijske mreže

Country Status (12)

Country Link
US (1) US8688155B2 (it)
EP (1) EP2130321B8 (it)
CN (1) CN101682499B (it)
AT (1) ATE515853T1 (it)
BR (1) BRPI0808242B1 (it)
ES (1) ES2369117T3 (it)
HR (1) HRP20110693T1 (it)
IT (1) ITTO20070194A1 (it)
PL (1) PL2130321T3 (it)
RU (1) RU2461134C2 (it)
WO (1) WO2008110992A1 (it)
ZA (1) ZA200906425B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100932279B1 (ko) * 2007-12-11 2009-12-16 한국전자통신연구원 중계기 및 그의 신호 처리 방법 및 주파수 변환 방법
US8279908B2 (en) 2008-12-31 2012-10-02 Ibiquity Digital Corporation Synchronization of separated platforms in an HD radio broadcast single frequency network
US20140169345A1 (en) * 2011-09-21 2014-06-19 Lg Electronics Inc. Method and apparatus for acquiring synchronization in radio communication system
US9585121B2 (en) 2012-01-05 2017-02-28 Motorola Solutions, Inc. Method and apparatus for simulcasting within a communication system
US20140255039A1 (en) * 2013-03-05 2014-09-11 Phase Sensitive Innovations, Inc Establishing optical coherence using free-space optical links
GB2564406B (en) * 2017-07-06 2022-09-07 Focal Point Positioning Ltd Method and system for correcting the frequency or phase of a local signal generated using a local oscillator
CN112383930B (zh) * 2020-11-12 2022-06-21 东方通信股份有限公司 同频同播载波分配方法
WO2023205811A1 (en) * 2022-04-22 2023-10-26 The Regents Of The University Of California Multi-gigabit per second frequency-shift keying (fsk) transceiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5059926A (en) * 1991-03-13 1991-10-22 Motorola, Inc. Frequency synchronization apparatus
IT1248029B (it) * 1991-06-11 1995-01-05 Prod El Prodotti Elettronici S Procedimento di estrazione di un segnale sincrono con la frequenza di una portante modulata in ampiezza o angolarmente
EP1149481B1 (en) * 1999-03-16 2002-12-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Repeater system and method of receiving a modulated input signal and transmitting a modulated output signal
KR100613908B1 (ko) * 2004-05-12 2006-08-22 한국전자통신연구원 동일채널 중계기의 주파수 일치 장치 및 그 방법
ITMI20051641A1 (it) * 2005-09-07 2007-03-08 Digital Instr S R L Apparato per la trasmissione di onde radio in isofrequenza

Also Published As

Publication number Publication date
PL2130321T3 (pl) 2011-12-30
ZA200906425B (en) 2010-11-24
BRPI0808242A2 (pt) 2014-10-14
EP2130321B8 (en) 2011-10-05
WO2008110992A1 (en) 2008-09-18
EP2130321B1 (en) 2011-07-06
EP2130321A1 (en) 2009-12-09
BRPI0808242B1 (pt) 2021-01-05
US20100103990A1 (en) 2010-04-29
RU2009138046A (ru) 2011-04-20
ATE515853T1 (de) 2011-07-15
ES2369117T3 (es) 2011-11-25
CN101682499A (zh) 2010-03-24
US8688155B2 (en) 2014-04-01
CN101682499B (zh) 2014-03-19
ITTO20070194A1 (it) 2008-09-16
RU2461134C2 (ru) 2012-09-10

Similar Documents

Publication Publication Date Title
HRP20110693T1 (hr) Poboljšani načini sinhronizacije jednofrekventnog istodobnog emitiranja pokretne radio komunikacijske mreže
US8195224B2 (en) Multiple data services over a distributed antenna system
US9219520B2 (en) Distributed antenna system using time division duplexing scheme
US6459881B1 (en) Repeater for radio signals
KR20170048425A (ko) 다중­입력 및 다중­출력(mimo)신호들을 위한 분산 안테나 시스템
JP2011525754A (ja) 同期された時分割複信信号を切り替えるシステム及び方法
JPWO2010084553A1 (ja) 無線中継装置及び無線中継システム
CN103684604A (zh) 射频信号收发装置及方法,自我监控光学传输装置及方法
CN101958734A (zh) 无线覆盖整体解决方案
JP2009094572A (ja) Rofシステムとその信号処理方法
CN105554779A (zh) 一种短波信息光电观察传输系统及其通信方法
CN101583134B (zh) 铁道无线综合中继设备及连接传输方法
CN201430591Y (zh) 铁道无线综合中继设备
WO2008012865A1 (fr) dispositif de station parent, dispositif de station enfant et système de transmission de signaux optiques
RU118813U1 (ru) Радиопередающее устройство коротковолнового диапазона
CN201690606U (zh) 一拖多微波拉远系统
WO2015124793A1 (en) Method and apparatus for high data rate communication
KR20060027077A (ko) 마이크로 웨이브 중계기를 이용하는 기지국과 단말기간의중계 네트워크
WO2009113329A1 (ja) 通信装置、歪み補償回路、および歪み補償方法
KR100867902B1 (ko) 휴대인터넷 시스템의 교란장치 및 그 방법
KR101040363B1 (ko) 감시 기능을 갖는 WiMAX 중계 장치 및 그 방법
JP2010213223A (ja) 無線通信システムおよび無線通信方法
JP6334451B2 (ja) 無線装置、折り返し試験装置、折り返し試験方法
KR100333141B1 (ko) 광 선로를 이용한 시디엠에이 기지국의 송수신 인터페이스장치
JPH04291831A (ja) マルチキャリア方式の無線通信システムにおけるヘテロダイン中継装置