DE60139378D1 - Tonsignalisierung mit tfo-kommunikationsverbindungen - Google Patents

Tonsignalisierung mit tfo-kommunikationsverbindungen

Info

Publication number
DE60139378D1
DE60139378D1 DE60139378T DE60139378T DE60139378D1 DE 60139378 D1 DE60139378 D1 DE 60139378D1 DE 60139378 T DE60139378 T DE 60139378T DE 60139378 T DE60139378 T DE 60139378T DE 60139378 D1 DE60139378 D1 DE 60139378D1
Authority
DE
Germany
Prior art keywords
tfo
link
frame
bits
tone
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.)
Expired - Lifetime
Application number
DE60139378T
Other languages
English (en)
Inventor
Eckhard Delfs
Karl Hellwig
Rudolf Hoffman
Emilian Ertel
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60139378D1 publication Critical patent/DE60139378D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0025—Provisions for signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13098—Mobile subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13367—Hierarchical multiplexing, add-drop multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13405—Dual frequency signaling, DTMF
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephone Set Structure (AREA)
DE60139378T 2000-02-11 2001-02-09 Tonsignalisierung mit tfo-kommunikationsverbindungen Expired - Lifetime DE60139378D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00102223A EP1124386A1 (de) 2000-02-11 2000-02-11 Tonsignalisierung mit TFO-Nachrichtenverbindungen
PCT/EP2001/001444 WO2001060081A1 (en) 2000-02-11 2001-02-09 Tone signalling with tfo communication links

Publications (1)

Publication Number Publication Date
DE60139378D1 true DE60139378D1 (de) 2009-09-10

Family

ID=8167765

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60139378T Expired - Lifetime DE60139378D1 (de) 2000-02-11 2001-02-09 Tonsignalisierung mit tfo-kommunikationsverbindungen

Country Status (7)

Country Link
US (1) US6826404B2 (de)
EP (2) EP1124386A1 (de)
AT (1) ATE438262T1 (de)
AU (1) AU2001254636A1 (de)
DE (1) DE60139378D1 (de)
ES (1) ES2330304T3 (de)
WO (1) WO2001060081A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7289461B2 (en) * 2001-03-15 2007-10-30 Qualcomm Incorporated Communications using wideband terminals
US7158597B2 (en) * 2001-08-20 2007-01-02 Tellabs Operations, Inc. TFO resynchronization system
WO2003024137A1 (en) * 2001-09-13 2003-03-20 Nokia Corporation Signal processing device and signal processing method
CN1596548A (zh) * 2001-11-27 2005-03-16 西门子公司 交换在至少两个用户终端装置之间按不同的编码规则产生的有用信息的方法
EP1518427B1 (de) * 2002-05-31 2006-04-26 Siemens Aktiengesellschaft Abfrage der aktuell gültigen bitraten bei unterbrechung eines trfo-calls (anrufs)
US7864868B2 (en) * 2003-04-21 2011-01-04 Nokia Siemens Networks Oy Method for detecting an octet slip
US20060014559A1 (en) * 2004-07-16 2006-01-19 Utstarcom, Inc. Method and apparatus for recording of conversations by network signaling to initiate recording
US8194722B2 (en) 2004-10-11 2012-06-05 Broadcom Corporation Various methods and apparatuses for impulse noise mitigation
US20060083324A1 (en) * 2004-10-15 2006-04-20 Desjardins Philip Method and apparatus for detecting transmission errors for digital subscriber lines
US7953163B2 (en) 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
WO2006063622A1 (en) * 2004-12-16 2006-06-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for optimising the sending of tones/announcements during tandem-free operation (tfo)
US7852950B2 (en) 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
US9374257B2 (en) 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7813439B2 (en) 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
TWI393453B (zh) * 2008-10-06 2013-04-11 Sonix Technology Co Ltd 適用於自動控制裝置的音調偵測方法及音調偵測裝置
US8605837B2 (en) 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98972C (fi) * 1994-11-21 1997-09-10 Nokia Telecommunications Oy Digitaalinen matkaviestinjärjestelmä
US5768308A (en) * 1994-12-19 1998-06-16 Northern Telecom Limited System for TDMA mobile-to-mobile VSELP codec bypass
DE19544367A1 (de) * 1995-11-29 1997-06-05 Bosch Gmbh Robert Verfahren zum Übertragen von Daten, insbesondere von GSM-Daten
US5983117A (en) * 1996-06-21 1999-11-09 Nortel Networks Corporation System and method for interfacing a standard telephony device to a wireless communication system
KR100248272B1 (ko) * 1997-06-30 2000-03-15 김영환 보코더의 pcm데이터형식에 따른 바이패스모드 동작시기의 제어방법
FI973975A (fi) * 1997-10-16 1999-04-17 Nokia Telecommunications Oy Matkaviestinjärjestelmä ja transkooderiyksikkö
US6009383A (en) * 1997-10-30 1999-12-28 Nortel Networks Corporation Digital connection for voice activated services on wireless networks
US6172974B1 (en) * 1997-10-31 2001-01-09 Nortel Networks Limited Network element having tandem free operation capabilities
US6295302B1 (en) * 1998-04-24 2001-09-25 Telefonaktiebolaget L M Ericsson (Publ) Alternating speech and data transmission in digital communications systems
DE69910837T2 (de) 1999-02-04 2004-07-22 Nokia Corp. Beseitigung von tonerkennung
GB2353192B (en) * 1999-08-11 2004-02-25 Ericsson Telefon Ab L M Transcoder rate controller

Also Published As

Publication number Publication date
WO2001060081A1 (en) 2001-08-16
AU2001254636A1 (en) 2001-08-20
US6826404B2 (en) 2004-11-30
EP1124386A1 (de) 2001-08-16
US20010019958A1 (en) 2001-09-06
EP1254569A1 (de) 2002-11-06
EP1254569B1 (de) 2009-07-29
ES2330304T3 (es) 2009-12-09
ATE438262T1 (de) 2009-08-15

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Legal Events

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8364 No opposition during term of opposition