ZA984134B - A method of and apparatus for detecting and preventing message collisions in a communication system - Google Patents

A method of and apparatus for detecting and preventing message collisions in a communication system

Info

Publication number
ZA984134B
ZA984134B ZA984134A ZA984134A ZA984134B ZA 984134 B ZA984134 B ZA 984134B ZA 984134 A ZA984134 A ZA 984134A ZA 984134 A ZA984134 A ZA 984134A ZA 984134 B ZA984134 B ZA 984134B
Authority
ZA
South Africa
Prior art keywords
communication system
detecting
signal
message collisions
preventing message
Prior art date
Application number
ZA984134A
Other languages
English (en)
Inventor
Nikolai K N Leung
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA984134B publication Critical patent/ZA984134B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32609—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper
    • H04N1/32614—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper related to a single-mode communication, e.g. at the transmitter or at the receiver
    • H04N1/32619—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper related to a single-mode communication, e.g. at the transmitter or at the receiver with retransmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/015—Reducing echo effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32609—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper
    • H04N1/32614—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper related to a single-mode communication, e.g. at the transmitter or at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32609—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper
    • H04N1/32625—Fault detection
    • H04N1/32641—Fault detection of transmission or transmitted data, e.g. interruption or wrong number of pages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32609—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper
    • H04N1/32646—Counter-measures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32609—Fault detection or counter-measures, e.g. original mis-positioned, shortage of paper
    • H04N1/32646—Counter-measures
    • H04N1/32683—Preventive counter-measures, e.g. using redundant hardware, or anticipating a fault
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0015—Control of image communication with the connected apparatus, e.g. signalling capability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0825—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Facsimile Transmission Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
ZA984134A 1997-05-16 1998-05-15 A method of and apparatus for detecting and preventing message collisions in a communication system ZA984134B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/857,343 US6185195B1 (en) 1997-05-16 1997-05-16 Methods for preventing and detecting message collisions in a half-duplex communication system

Publications (1)

Publication Number Publication Date
ZA984134B true ZA984134B (en) 1998-11-20

Family

ID=25325783

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA984134A ZA984134B (en) 1997-05-16 1998-05-15 A method of and apparatus for detecting and preventing message collisions in a communication system

Country Status (13)

Country Link
US (2) US6185195B1 (xx)
EP (2) EP0983641B1 (xx)
JP (1) JP2002502563A (xx)
KR (1) KR100641970B1 (xx)
CN (2) CN1244993C (xx)
AT (1) ATE382209T1 (xx)
AU (1) AU7387898A (xx)
DE (1) DE69838906T2 (xx)
ES (1) ES2297884T3 (xx)
HK (2) HK1027449A1 (xx)
TW (1) TW374970B (xx)
WO (1) WO1998052299A1 (xx)
ZA (1) ZA984134B (xx)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185195B1 (en) * 1997-05-16 2001-02-06 Qualcomm Incorporated Methods for preventing and detecting message collisions in a half-duplex communication system
US6031908A (en) * 1997-11-14 2000-02-29 Tellabs Operations, Inc. Echo canceller employing dual-H architecture having variable adaptive gain settings
US6259893B1 (en) * 1998-11-03 2001-07-10 Ibiquity Digital Corporation Method and apparatus for reduction of FM interference for FM in-band on-channel digital audio broadcasting system
US7783299B2 (en) 1999-01-08 2010-08-24 Trueposition, Inc. Advanced triggers for location-based service applications in a wireless location system
US6765531B2 (en) * 1999-01-08 2004-07-20 Trueposition, Inc. System and method for interference cancellation in a location calculation, for use in a wireless location system
US6721279B1 (en) 1999-02-02 2004-04-13 Pctel, Inc. Method and apparatus for adaptive PCM level estimation and constellation training
FR2791208B1 (fr) * 1999-03-16 2001-04-20 Sagem Procede de transmission de telecopies entre deux telecopieurs relies a un reseau de transmission de donnees
JP3927738B2 (ja) * 1999-10-25 2007-06-13 キヤノン株式会社 通信システム
JP3693588B2 (ja) * 2000-11-01 2005-09-07 富士通株式会社 エコー抑制システム
US20030224723A1 (en) * 2002-05-30 2003-12-04 Feng-Wen Sun Method and system for providing two-way communication using an overlay of signals over a non-linear communications channel
US7388954B2 (en) 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
US7016488B2 (en) * 2002-06-24 2006-03-21 Freescale Semiconductor, Inc. Method and apparatus for non-linear processing of an audio signal
US7242762B2 (en) 2002-06-24 2007-07-10 Freescale Semiconductor, Inc. Monitoring and control of an adaptive filter in a communication system
US7215765B2 (en) 2002-06-24 2007-05-08 Freescale Semiconductor, Inc. Method and apparatus for pure delay estimation in a communication system
US7058632B1 (en) 2002-06-27 2006-06-06 Unisys Corporation Method and system for facilitating execution of a user-inputted message in a client-server database network
DE60308529T2 (de) * 2002-07-25 2007-06-06 Koninklijke Philips Electronics N.V. Antikollisionsverfahren mit zeitschlitzen mit verarbeitung von informationen, die die zeitschlitze markieren
US7792089B2 (en) * 2002-07-31 2010-09-07 Cattron-Theimeg, Inc. System and method for wireless remote control of locomotives
US20040157548A1 (en) * 2003-02-06 2004-08-12 Eyer Mark Kenneth Home network interface legacy device adapter
US8085806B2 (en) 2003-09-26 2011-12-27 Agere Systems Inc. Method and apparatus for detecting a collision in a carrier sense multiple access wireless system
US20060159035A1 (en) * 2005-01-19 2006-07-20 Shai Waxman Apparatus and method to detect collisions of data packets
CN100547960C (zh) * 2005-03-18 2009-10-07 中国科学院自动化研究所 一种不对称高速半双工通信系统和通信方法
US7808936B2 (en) * 2005-05-09 2010-10-05 J2 Global Communications, Inc. Systems and methods for facsimile echo cancellation
CN101778025B (zh) * 2005-08-25 2012-08-15 杭州华三通信技术有限公司 一种适用低于千兆传输速率的以太网传输装置及方法
CN100385904C (zh) * 2006-03-15 2008-04-30 华为技术有限公司 一种解决传真过程中帧碰撞的方法、装置和系统
CN100438553C (zh) * 2006-05-23 2008-11-26 华为技术有限公司 减少传真协商帧碰撞的方法
CN1917386B (zh) * 2006-09-05 2010-06-02 华为技术有限公司 一种回波抵消中双讲状态的检测方法
CN101170321B (zh) * 2006-10-25 2010-11-10 杭州华三通信技术有限公司 一种以太网传输装置
US8400913B2 (en) * 2007-05-23 2013-03-19 Microsoft Corporation Method for optimizing near field links
US8559365B2 (en) * 2007-10-30 2013-10-15 Coppergate Communications Ltd. After transmission return signal
JP5325613B2 (ja) * 2009-03-09 2013-10-23 ラピスセミコンダクタ株式会社 エコーキャンセラ装置
US8213957B2 (en) 2009-04-22 2012-07-03 Trueposition, Inc. Network autonomous wireless location system
US20110054586A1 (en) * 2009-04-28 2011-03-03 Endologix, Inc. Apparatus and method of placement of a graft or graft system
US8582443B1 (en) * 2009-11-23 2013-11-12 Marvell International Ltd. Method and apparatus for virtual cable test using echo canceller coefficients
WO2017130097A1 (en) * 2016-01-25 2017-08-03 Valens Semiconductor Ltd. Fast adaptive digital canceller
CN112423403A (zh) * 2019-08-23 2021-02-26 微芯片技术股份有限公司 检测网络上的冲突
CN112422385B (zh) 2019-08-23 2022-11-29 微芯片技术股份有限公司 用于改进的媒体访问的接口以及相关的系统、方法和设备
CN112422153B (zh) 2019-08-23 2023-04-07 微芯片技术股份有限公司 检测到共享传输介质处冲突后处理数据接收的方法和系统
CN112422295B (zh) 2019-08-23 2023-06-13 微芯片技术股份有限公司 以太网接口及相关系统、方法和设备
US11513577B2 (en) 2020-03-24 2022-11-29 Microchip Technology Incorporated Low connection count interface wake source communication according to 10SPE local and remote wake and related systems, methods, and devices

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129753A (en) * 1977-12-09 1978-12-12 Bell Telephone Laboratories, Incorporated Echo canceller using feedback to improve speech detector performance
US4644108A (en) * 1982-10-27 1987-02-17 International Business Machines Corporation Adaptive sub-band echo suppressor
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
JPH0638601B2 (ja) * 1985-11-13 1994-05-18 富士通株式会社 光複合トランシーバー
GB8700669D0 (en) * 1987-01-13 1987-02-18 British Telecomm Transmission system
US4897831A (en) * 1987-03-02 1990-01-30 Canon Kabushiki Kaisha Data transmission/reception apparatus
DE3874997T2 (de) * 1987-07-20 1993-03-25 Nippon Electric Co Echokompensator.
US5237429A (en) 1990-06-04 1993-08-17 Motorola, Inc. Facsimile interface device for radios
JP2794999B2 (ja) * 1991-08-14 1998-09-10 国際電信電話株式会社 エコーキャンセル方式
US5274705A (en) * 1991-09-24 1993-12-28 Tellabs Inc. Nonlinear processor for an echo canceller and method
US5295136A (en) 1992-04-13 1994-03-15 Motorola, Inc. Method of performing convergence in a, least mean square, adaptive filter, echo canceller
JP2538176B2 (ja) * 1993-05-28 1996-09-25 松下電器産業株式会社 エコ―制御装置
GB2286739B (en) 1994-02-09 1996-08-07 Int Maritime Satellite Organiz Communication apparatus
ZA95599B (en) 1994-02-28 1996-02-06 Qualcomm Inc Doubletalk detection by means of spectral content
US5668871A (en) * 1994-04-29 1997-09-16 Motorola, Inc. Audio signal processor and method therefor for substantially reducing audio feedback in a cummunication unit
US5609155A (en) * 1995-04-26 1997-03-11 Acuson Corporation Energy weighted parameter spatial/temporal filter
US5596439A (en) * 1995-08-01 1997-01-21 Viasat, Inc. Self-interference cancellation for two-party relayed communication
US5664011A (en) * 1995-08-25 1997-09-02 Lucent Technologies Inc. Echo canceller with adaptive and non-adaptive filters
US5663955A (en) * 1995-08-25 1997-09-02 Lucent Technologies Inc. Echo canceller system with shared coefficient memory
US5646990A (en) * 1995-09-21 1997-07-08 Rockwell International Corporation Efficient speakerphone anti-howling system
US6049548A (en) * 1996-11-22 2000-04-11 Stanford Telecommunications, Inc. Multi-access CS-P/CD-E system and protocols on satellite channels applicable to a group of mobile users in close proximity
US6185195B1 (en) * 1997-05-16 2001-02-06 Qualcomm Incorporated Methods for preventing and detecting message collisions in a half-duplex communication system

Also Published As

Publication number Publication date
EP0983641B1 (en) 2007-12-26
DE69838906T2 (de) 2008-12-11
CN1474519A (zh) 2004-02-11
JP2002502563A (ja) 2002-01-22
KR100641970B1 (ko) 2006-11-02
US6185195B1 (en) 2001-02-06
ATE382209T1 (de) 2008-01-15
HK1027449A1 (en) 2001-01-12
ES2297884T3 (es) 2008-05-01
KR20010012637A (ko) 2001-02-26
CN1267408A (zh) 2000-09-20
US6487179B1 (en) 2002-11-26
CN1244993C (zh) 2006-03-08
AU7387898A (en) 1998-12-08
TW374970B (en) 1999-11-21
WO1998052299A1 (en) 1998-11-19
DE69838906D1 (de) 2008-02-07
EP1478101A1 (en) 2004-11-17
HK1061313A1 (en) 2004-09-10
CN1140067C (zh) 2004-02-25
EP0983641A1 (en) 2000-03-08

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