DE602006007907D1 - Verbesserungen für einen on channel Zwischenverstärker - Google Patents

Verbesserungen für einen on channel Zwischenverstärker

Info

Publication number
DE602006007907D1
DE602006007907D1 DE602006007907T DE602006007907T DE602006007907D1 DE 602006007907 D1 DE602006007907 D1 DE 602006007907D1 DE 602006007907 T DE602006007907 T DE 602006007907T DE 602006007907 T DE602006007907 T DE 602006007907T DE 602006007907 D1 DE602006007907 D1 DE 602006007907D1
Authority
DE
Germany
Prior art keywords
channel repeater
repeater
channel
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602006007907T
Other languages
English (en)
Inventor
Peter Neil Moss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of DE602006007907D1 publication Critical patent/DE602006007907D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
DE602006007907T 2005-05-20 2006-05-18 Verbesserungen für einen on channel Zwischenverstärker Active DE602006007907D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0510385.8A GB0510385D0 (en) 2005-05-20 2005-05-20 Improvements relating to on-channel repeaters

Publications (1)

Publication Number Publication Date
DE602006007907D1 true DE602006007907D1 (de) 2009-09-03

Family

ID=34834419

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006007907T Active DE602006007907D1 (de) 2005-05-20 2006-05-18 Verbesserungen für einen on channel Zwischenverstärker

Country Status (5)

Country Link
US (1) US7627287B2 (de)
EP (1) EP1724946B1 (de)
DE (1) DE602006007907D1 (de)
ES (1) ES2328620T3 (de)
GB (2) GB0510385D0 (de)

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CA2605834C (en) * 2005-04-25 2012-02-14 Electronics And Telecommunications Research Institute Apparatus and method of on-channel repeater
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KR100873486B1 (ko) * 2007-05-09 2008-12-15 한국전자통신연구원 동일채널 중계장치 및 그 방법
KR100902336B1 (ko) * 2007-07-20 2009-06-12 한국전자통신연구원 동일채널 중계장치 및 그 방법
GB0720660D0 (en) * 2007-10-22 2007-12-05 British Broadcasting Corp Improvements relating to on channel repeaters
GB0720658D0 (en) 2007-10-22 2007-12-05 British Broadcasting Corp Improvements relating to adaptive finite impulse response filters such as used in on-channel repeaters
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US8116254B2 (en) * 2008-01-31 2012-02-14 Powerwave Technologies, Inc. Wireless repeater with smart uplink
KR100974870B1 (ko) 2008-08-04 2010-08-11 연세대학교 산학협력단 디지털 동일 채널 중계기를 위한 궤환 신호 제거 장치 및방법
US8135339B2 (en) * 2008-12-31 2012-03-13 Andrew Llc System and method for feedback cancellation in repeaters
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US20100284447A1 (en) * 2009-05-11 2010-11-11 Qualcomm Incorporated Frequency domain feedback channel estimation for an interference cancellation repeater including sampling of non causal taps
US9049065B2 (en) * 2009-05-11 2015-06-02 Qualcomm Incorporated Removal of ICI/ISI errors in frequency domain channel estimation for wireless repeaters
US20110116531A1 (en) * 2009-05-11 2011-05-19 Qualcomm Incorporated Removal of multiplicative errors in frequency domain channel estimation for wireless repeaters
US8364076B2 (en) 2009-09-18 2013-01-29 Electronics And Telecommunications Research Institute Apparatus and method of feedback cancellation for radio signal
US9013541B2 (en) 2009-12-18 2015-04-21 At&T Mobility Ii, Llc System and method for broadcast station adjacency
US8610832B2 (en) * 2009-12-18 2013-12-17 At&T Mobility Ii, Llc System and method for broadcast station adjacency
US8542623B2 (en) * 2010-01-13 2013-09-24 Qualcomm Incorporated Use of RF reference in a digital baseband interference cancellation repeater
CN102148787A (zh) * 2010-02-10 2011-08-10 思亚诺移动芯片有限公司 用于降低或消除接收信号噪声的方法、电路和系统
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GB2481614B (en) * 2010-06-30 2017-11-22 Fujitsu Ltd Coverage hole compensation in wireless communication networks
US8630211B2 (en) * 2010-06-30 2014-01-14 Qualcomm Incorporated Hybrid radio architecture for repeaters using RF cancellation reference
US8861429B2 (en) 2011-06-07 2014-10-14 Qualcomm Incorporated Selective carrier amplification in a wireless repeater
US8937874B2 (en) 2011-09-23 2015-01-20 Qualcomm Incorporated Adjusting repeater gains based upon received downlink power level
US20130077556A1 (en) * 2011-09-23 2013-03-28 Qualcomm Incorporated Setting gains in an interference cancellation repeater based on path loss
US20130078907A1 (en) * 2011-09-23 2013-03-28 Qualcomm Incorporated Per carrier gain control in a multi-carrier repeater
GB2497772B (en) 2011-12-19 2018-10-10 British Broadcasting Corp Method and apparatus for an on-channel repeater
US9215019B2 (en) * 2012-02-13 2015-12-15 Alcatel Lucent Method and apparatus for interference cancellation in hybrid satellite-terrestrial network
US9014652B2 (en) * 2012-06-22 2015-04-21 Infineon Technologies Ag Mobile communication device
CN103916148B (zh) * 2013-01-05 2016-08-03 华为技术有限公司 一种自适应射频干扰抵消装置、方法、接收机及通信系统
US10305575B2 (en) * 2013-01-08 2019-05-28 Advanced Rf Technologies, Inc. Mobile telecommunication repeater for canceling feedback signals
KR101415943B1 (ko) 2013-05-30 2014-07-04 주식회사 에이디알에프코리아 간섭 제거 중계기 및 그 중계 방법
KR101485378B1 (ko) * 2013-10-01 2015-01-26 서울대학교산학협력단 다중 안테나 무선 중계 시스템 및 이를 이용한 궤환 간섭 제거 방법
WO2015058361A1 (zh) * 2013-10-22 2015-04-30 华为技术有限公司 一种干扰抵消方法和装置
CN106464420B (zh) * 2014-04-25 2019-08-20 华为技术有限公司 估计基带自干扰信道响应的方法和装置
US9762416B2 (en) * 2015-09-08 2017-09-12 Abtum Inc. Reflection coefficient reader
EP3427419B1 (de) * 2016-03-11 2022-01-26 Seakr Engineering, Inc. Erhöhung der leistungseffizienz bei strahlformenden hf-systemen

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Also Published As

Publication number Publication date
US7627287B2 (en) 2009-12-01
US20060264174A1 (en) 2006-11-23
ES2328620T3 (es) 2009-11-16
GB2426415A (en) 2006-11-22
GB0510385D0 (en) 2005-06-29
GB2426415B (en) 2009-09-23
EP1724946A1 (de) 2006-11-22
GB2426415C (en) 2009-10-28
GB0609933D0 (en) 2006-06-28
EP1724946B1 (de) 2009-07-22

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Legal Events

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