US20040081193A1 - Method for transmitting data within a communication system - Google Patents

Method for transmitting data within a communication system Download PDF

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Publication number
US20040081193A1
US20040081193A1 US10/613,088 US61308803A US2004081193A1 US 20040081193 A1 US20040081193 A1 US 20040081193A1 US 61308803 A US61308803 A US 61308803A US 2004081193 A1 US2004081193 A1 US 2004081193A1
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communication
frame
cycle
shall
node
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Inventor
Thomas Forest
Bernd Hedenetz
Mathias Rausch
Christopher Temple
Harald Eisele
Bernd Elend
Jorn Ungermann
Matthias kuhlewein
Ralf Belschner
Peter Lohrmann
Florian Bogenberger
Thomas Wuerz
Arnold Millsap
Patrick Heuts
Robert Hugel
Thomas Fuhrer
Bernd Muller
Florian Hartwich
Manfred Zinke
Josef Berwanger
Christian Ebner
Harald Weiler
Peter Fuhrmann
Anton Schedl
Martin Peller
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Bayerische Motoren Werke AG
Robert Bosch GmbH
Mercedes Benz Group AG
NXP BV
GM Global Technology Operations LLC
NXP USA Inc
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Individual
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Priority claimed from EP02008171A external-priority patent/EP1355456A1/de
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Abandoned legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • H04L12/40026Details regarding a bus guardian
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/43Majority logic or threshold decoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0638Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0652Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/403Bus networks with centralised control, e.g. polling
    • H04L12/4035Bus networks with centralised control, e.g. polling in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/407Bus networks with decentralised control
    • H04L12/417Bus networks with decentralised control with deterministic access, e.g. token passing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44Star or tree networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0331Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0682Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0685Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0694Synchronisation in a TDMA node, e.g. TTP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40208Bus networks characterized by the use of a particular bus standard
    • H04L2012/40241Flexray
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40267Bus for use in transportation systems
    • H04L2012/40273Bus for use in transportation systems the transportation system being a vehicle
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6432Topology
    • H04L2012/6435Bus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6432Topology
    • H04L2012/644Star
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6445Admission control
    • H04L2012/6459Multiplexing, e.g. TDMA, CDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0823Errors, e.g. transmission errors
    • H04L43/0847Transmission error

Definitions

  • Time triggered communication systems are known in the art. Generally, they comprise a communication media, which for example is a data bus. Various nodes are connected to the communication media. Each node comprises a host controller, a communication controller, a bus driver and optionally a bus guardian. Data can be transmitted across a time triggered communication system according to various protocols. An example of such a protocol is TTCAN (Time Triggered Controller Area Network).
  • TTCAN Time Triggered Controller Area Network
  • FIG. 45 illustrates an assessment of a calculated rate correction value
  • FIG. 51 illustrates a structure of a channel monitoring and of a selection of a startup path
  • FIG. 102 illustrates internal bus events, which are indicated externally
  • FIG. 103 shows the architecture of a node 100 (electronic control unit, ECU) of the communication system. Every node 100 consists of the five sub-components host controller 101 , communication controller 102 , bus guardian 103 , bus driver 104 , and power supply 105 . In the following description the requirements for the communication controller 102 , the bus guardian 103 , the bus driver 104 and the interfaces to the host 101 and the power supply 105 are described.
  • Req In the dynamic segment the media access strategy is based on wait times (mini-slotting scheme) and the priority of identifiers. Controllers transmitting frames with higher priority identifiers send before controllers transmitting lower priority frames.
  • Req The communication system has to support a synchronized system shutdown without error indications.
  • Precision . . . The precision is a time interval bounding the deviations between the local clocks of all active communication controllers. If a communication controllers clock deviates more than the precision from the clocks of the other controllers it must not participate in the communication any longer.
  • any remaining payload data bytes shall be set to the padding pattern 0 ⁇ 00.
  • the start of the dynamic segment requires particular attention.
  • the first action point in the dynamic segment shall occur after max(gdActionPointOffset, gdMsActionPointOffset) macroticks after the end of the static segment.
  • FIG. 19 shows the entire bit stream of a frame transmitted in the dynamic segment.
  • the Wake-up symbol shall be repeated for a configurable number of times (gWakeupPattern).
  • the minimum number of repetitions is 2.
  • the configuration parameters for the WUS are described more detail below. An example with a sequence of two WUS's is shown in FIG. 23.
  • the first sample of the next bit is determined by the central sample of the voting window.
  • the first sample of each consecutive bit of the next byte is considered to occur pSamplesPerBit after first sample of the previous bit.
  • the bit value shall be determined by majority voting over the samples within the voting window (This implies that the number of samples within the voting window, pVotingSamples, must be odd.), i.e., if a majority of samples within the voting window have logical value “0”, the output value of the sampled bit shall be “0”; if a majority of samples within the voting window have logical value “1” the output value of the sampled bit shall be “1”.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Debugging And Monitoring (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Closures For Containers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
US10/613,088 2002-04-16 2003-07-07 Method for transmitting data within a communication system Abandoned US20040081193A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10216984.5 2002-04-16
EP02008171A EP1355456A1 (de) 2002-04-16 2002-04-16 FlexRay Kommunikationsprotokoll
EP02008171.7 2002-04-16
DE10216984A DE10216984A1 (de) 2002-04-16 2002-04-16 Netzwerk mit einem Verbindungs-Netzwerk und mehreren mit dem Verbindungs-Netzwerk gekoppelten Netzknoten
EPPCT/EP03/03991 2003-04-16

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Application Number Title Priority Date Filing Date
EPPCT/EP03/03991 Continuation 2002-04-16 2003-04-16

Publications (1)

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US20040081193A1 true US20040081193A1 (en) 2004-04-29

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Family Applications (4)

Application Number Title Priority Date Filing Date
US10/613,039 Active 2025-12-19 US7430261B2 (en) 2002-04-16 2003-07-07 Method and bit stream decoding unit using majority voting
US10/613,027 Active - Reinstated 2025-08-28 US7586953B2 (en) 2002-04-16 2003-07-07 Method for monitoring a communication media access schedule of a communication controller of a communication system
US10/613,000 Abandoned US20050141565A1 (en) 2002-04-16 2003-07-07 Method for synchronizing clocks in a distributed communication system
US10/613,088 Abandoned US20040081193A1 (en) 2002-04-16 2003-07-07 Method for transmitting data within a communication system

Family Applications Before (3)

Application Number Title Priority Date Filing Date
US10/613,039 Active 2025-12-19 US7430261B2 (en) 2002-04-16 2003-07-07 Method and bit stream decoding unit using majority voting
US10/613,027 Active - Reinstated 2025-08-28 US7586953B2 (en) 2002-04-16 2003-07-07 Method for monitoring a communication media access schedule of a communication controller of a communication system
US10/613,000 Abandoned US20050141565A1 (en) 2002-04-16 2003-07-07 Method for synchronizing clocks in a distributed communication system

Country Status (4)

Country Link
US (4) US7430261B2 (de)
EP (4) EP1355458B1 (de)
AT (4) ATE313195T1 (de)
DE (4) DE60301752T9 (de)

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US20050135404A1 (en) * 2003-11-19 2005-06-23 Honeywell International Inc. Asynchronous hub
US20050165531A1 (en) * 2003-09-26 2005-07-28 Haldex Brake Products Ab Brake system with distributed electronic control units incorporating failsafe mode
US20050278457A1 (en) * 2003-11-19 2005-12-15 Honeywell International Inc. Voting mechanism for transmission schedule enforcement
US20060203825A1 (en) * 2005-03-08 2006-09-14 Edith Beigne Communication node architecture in a globally asynchronous network on chip system
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DE60302697T2 (de) 2006-08-03
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DE60314935D1 (de) 2007-08-30
EP1355459A2 (de) 2003-10-22
DE60301637D1 (de) 2005-10-27
EP1355460B1 (de) 2005-10-05
EP1355460A3 (de) 2004-04-21
EP1355459B1 (de) 2005-12-14
US20040081079A1 (en) 2004-04-29
EP1355458A2 (de) 2003-10-22
DE60314935T2 (de) 2007-12-20
DE60301637T2 (de) 2006-06-22
US7430261B2 (en) 2008-09-30
EP1355461B1 (de) 2007-07-18
EP1355458A3 (de) 2004-04-21
DE60301752D1 (de) 2006-02-16
ATE313195T1 (de) 2005-12-15
DE60302697D1 (de) 2006-01-19
ATE306163T1 (de) 2005-10-15
EP1355461A3 (de) 2006-04-12
US20050141565A1 (en) 2005-06-30
EP1355461A2 (de) 2003-10-22
ATE367700T1 (de) 2007-08-15
EP1355459A3 (de) 2004-04-21
DE60301752T2 (de) 2006-06-29
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US20040090962A1 (en) 2004-05-13
ATE305197T1 (de) 2005-10-15

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