WO2013045160A1 - Kopfstation mit redundanz und zugehöriges verfahren - Google Patents
Kopfstation mit redundanz und zugehöriges verfahren Download PDFInfo
- Publication number
- WO2013045160A1 WO2013045160A1 PCT/EP2012/065501 EP2012065501W WO2013045160A1 WO 2013045160 A1 WO2013045160 A1 WO 2013045160A1 EP 2012065501 W EP2012065501 W EP 2012065501W WO 2013045160 A1 WO2013045160 A1 WO 2013045160A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- output
- processing unit
- side data
- data
- data streams
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
Definitions
- the invention relates to a head station (engl.
- Redundant communication systems typically consist of two communication systems that simultaneously and independently generate one output data stream each. From DE 100 11 267 AI redundant communication modules are known in which the decision which output data stream is
- the object of the invention is therefore to provide a redundantly configured head station in a communication system, in particular in a radio transmission system,
- a plurality of identical processing units are provided which are each supplied by at least one identical input-side data stream.
- each processing unit in each case an output-side data stream by means of carrying out a plurality of processing steps - for example, coding, multiplexing, data formatting, etc. - from the at least one input side
- Processing unit are via an output side
- Bus system interconnected. About the output side bus system are between the individual Processing units by the individual
- the state data includes e.g. Information about the
- Processing unit and the transmitter system is transmitted.
- Output-side data stream which consists of all output side generated by one processing unit
- Processing unit generated output-side data stream or generated by another processing unit and transmitted via the output side bus system to the respective processing unit output side
- the transmitter system selects from all simultaneously received output-side data streams the correct output-side data stream for transmission over the transmission link to the transmitter system.
- the selection of the output-side data stream to be transmitted by the respective processing unit on the associated transmission link takes place on the basis of
- Processing unit the functionality of each processing unit and the operability of the transmission path between the respective processing units
- the decision makers in the head station are designed to be redundant by providing at least two decoders.
- the identification and selection of the respectively functioning decision maker for example by a higher-level monitoring authority in the case of two decision makers or by the determination of the one
- the preferably redundantly executed decision makers are each connected outside the individual processing units to the output-side bus system and make one each for each processing unit based on the output-side data streams and status data transmitted by each processing unit to the output-side bus system Selection of which output-side data stream the respective processing unit to the associated
- Transmission path should be transmitted.
- the preferably redundantly executed decision makers are respectively integrated into a single processing unit acting as master processing unit and make a selection for each of the processing units acting as master processing unit and for all other processing units acting as slave processing units, which output-side data stream the respective ones
- Transmission path should be transmitted.
- the preferably redundantly executed decision makers are integrated in each individual processing unit and make a selection for the respective processing unit which output-side data stream the respective processing unit has on the associated data processing unit
- Transmission path should be transmitted.
- Processing unit the switching between two to be transmitted to the associated transmission link
- the switching between two output-side data streams in each processing unit preferably takes place at the next transition time between respectively successive data frames, ie around the Time delay for the transmission of a data frame.
- the supply of the individual processing units with identical, from a data source - e.g. a studio - respectively generated data streams, e.g. the audio and video data from individual broadcast programs correspond, via an input-side bus system.
- Bus system and / or the output-side bus system preferably designed redundant.
- Input side and / or output side bus system is activated in each time is arbitrary.
- the output side preferably has one
- the data conversion can also be redundant. Also on the input side, a data conversion can be provided in the region of the input-side bus system.
- Headend according to the invention based on the block diagrams in Figures 2A, 2B and 2C and the associated
- step S10 which is carried out optionally, the data streams generated in the data source-generally in the studio-become programs or programs
- Services respective video and / or audio data streams - if necessary converted into another data format may be, for example, an input-side data conversion of a in the Studio technology typically used data format - for example, serial-digital JCnterface- (SDI) data format or I_nternet Protocol (IP) data format - in a head-end proprietary data format and / or to adapt the data stream to be transmitted to a modified transmission medium act.
- SDI serial-digital JCnterface-
- IP I_nternet Protocol
- the input-side data conversion can, as shown in Fig. 2A, by a single
- Conversion module 1 which performs a data conversion from all data formats used in studios to the data format used in the head-end, or, as shown in Fig. 2B, by several individual ones
- the data conversion may be done by a redundant one
- Conversion system 1 consisting of several redundantly running conversion blocks Ii 1 2 l n ' be realized.
- the individual conversion blocks Ii 1 2 l n 'always leads to an identical one
- a decider instance (not shown in FIG. 2C) determines which one
- the input-side bus system 2 can be used to increase the Reliability of the head station according to the invention
- Bus systems 2 is preferably carried out by a decision maker not shown in FIGS. 2A, 2B and 2C.
- the time stamp data stored at certain data bit positions in the header of the individual data packets or also at
- Sequence of the respective data packet can be used in the respective input-side data stream. Also, certain data bit sequences at certain data bit positions in certain data packets of the individual input-side data streams that can be found in the individual
- Transmission standards are specified and thus have a specified relative time interval from each other, identified and used for the synchronization of the individual input-side data streams. Using this synchronization data, the
- 3i, 3 2 ,..., 3 n realized the multiplexing of the output-side data stream from the individual input-side data streams as a very essential processing step.
- Preprocessing processor usual processing steps are carried out, which will not be discussed at this point.
- input side bus system 2 can also be the output side bus system 4 to increase the reliability of
- Processing unit 3i, 3 2 , ..., 3 n to the transmitter system 6 operates error-free. In the event of an error, at least one processing unit 3i, 3 2 ,..., 3 n will each have one
- Method step S50 in one decision-making system or multiple redundant decision-making systems each of the respective processing unit 3i, 3 2 , ..., 3 n to the associated transmission path 5i, 5 2 , ..., 5 n between the respective processing unit 3i , 3 2 , ..., 3 n and the
- Transmitter system 6 to be transmitted output side selected data stream.
- Data streams performed in a decision maker This may be a single decider or, as shown in FIG. 2A, a redundant decider system 7 made up of a plurality of redundantly executed decoders l lr 7 2 ,..., 7 n .
- Each individual decision maker l lr 7 2 , ..., 7 n is connected to the output side bus system 4 and thus has access to the in all processing units
- 3i, 3 2 , ⁇ , 3 n respectively generated output side data streams and state data.
- Processing unit 3i, 3 2 , ..., 3 n works correctly or is operated incorrectly. From the over the
- Output-side bus system 4 the individual decision makers 7i, 7 2 , ..., 7 n respectively supplied and in the individual
- Transmission system 6 each correct or faulty
- a plurality of redundantly executed decision makers l lr 7 2 , ..., 7 n generates each individual decision 7i, 7 2 , ..., 7 n from the supplied output-side data streams and status data in the manner mentioned each control data for the individual processing units 3i, 3 2 , ..., 3 n .
- An additional decision-making entity which is not shown in the individual FIGS. 2A, 2B and 2C, identifies the correctly operating decision makers 7i, 7 2 ,..., 7 n and their generated control data to the individual
- the activated processing unit 3i, 3 2 , ..., 3 n is caused to have the associated control data, in the case of one from the respective processing unit
- Processing unit 3i, 3 2 , ..., 3 n erroneously generated output-side data stream respectively generated by another processing unit 3i, 3 2 , ..., 3 n correctly
- processing unit 3i, 3 2, ..., 3 n output-side data stream generated in each case for selection in the respective processing unit 3i, 3 2, ..., 3 n are prioritized.
- the selection of the output-side data stream to be respectively transmitted by the individual processing units 3i, 3 2 ,..., 3 n is made from that of all the processing units
- Processing units 3 2 , ..., 3 n respectively supplied output-side data streams and state data and the generated in the master processing unit 3i
- Output-side data stream and state data are generated for each processing units 3i, 3 2 , ..., 3 n respectively required control data.
- Output-side data stream and state data are generated for each processing units 3i, 3 2 , ..., 3 n respectively required control data.
- composite redundant decision maker system In the case of one of several redundant decision makers composite redundant decision maker system
- each processing unit 3i, 3 2 ,..., 3 n one decision maker is integrated, which consists either as a single decision maker or as a redundant decision maker system with a plurality of redundantly designed decision makers.
- This decision maker determines the control data for the associated processing unit 3i, 3 2 , ..., 3 n from the respective processing unit 3i, 3 2 , ..., 3 n via the output-side bus system 4 from the respective other processing units 3i, 3 2 , ..., 3 n respectively supplied output-side data streams and state data and the output-side data stream and state data generated in the associated processing unit 3i, 3 2 , ..., 3 n .
- Data stream takes place by controlling one in the
- Processing unit 3i, 3 2 , ..., 3 n from one of the decision maker supplied control data.
- the transmission system 6 gap between the on the
- Processing unit 3i, 3 2 , ..., 3 n to the transmission system 6 necessary.
- switching operations in the individual switches 8 1 , 8 2 ,..., 8 n take place in each case only at the times of the transition between in each case two consecutive data frames of the individual output-side data streams. Since for the determination of the in the individual processing units 3i, 3 2 , ..., 3 n each to be selected output side
- output-side data streams receives each
- Synchronization unit 9 - for example a
- GPS Global Position System
- Synchronization data which are referred to as synchronization data 2 in Figures 2A, 2B and 2C.
- the data packets provided with synchronization data 1 in the individual output-side data streams are synchronized with the synchronization data 2 provided by the synchronization unit 9, so that a synchronous transmission of the signals from the individual ones
- step S70 an output-side data conversion of the data in each of the individual processing units 3i, 3 2 , ⁇ , 3 n selected and transmitted to the transmitter system 6 takes place
- Headend typically used a proprietary data format to one on the
- the output-side data conversion can be equivalent to the input-side conversion in
- Conversion unit 10 can be realized in accordance with FIG. 2A, which has all possible data conversions.
- the output-side data conversion can also be performed by a plurality of conversion units 10i, 10 2 ,..., 10 n , each of which is a data conversion only between two specific data formats
- the output-side data conversion according to FIG. 2C can also be configured redundantly by implementing a redundant conversion system 10 'consisting of a plurality of redundantly executed conversion modules 10i 10 2 10 n '.
- Transmitter system 2 which typically consists of several regionally distributed transmitters, on the
- the transmitter system 6 detects on the basis of the individual
- Transmission lines 5i, 5 2 , ..., 5 n respectively received output-side data streams, which transmission links 5i, 5 2 , ..., 5 n are faulty.
- a transmission link 5i, 5 2 , ..., 5 n from which the transmitter system 6 has selected the output-side data stream for forwarding to the transmission link 11 between the transmitter system 6 and the receiver system so far after a correct operation passes into a faulty operation, there is a switch to a
- the invention is not limited to the individual
- Embodiments of the head station according to the invention and the associated method according to the invention are limited.
- the invention covers in particular all combinations of the features claimed in the individual patent claims, the features disclosed in the description and the features illustrated in the individual figures of the drawing.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112014006889-5A BR112014006889B1 (pt) | 2011-09-30 | 2012-08-08 | Estação mestre e método para a seleção de fluxos de dados de saída |
| EP12748415.2A EP2761792B1 (de) | 2011-09-30 | 2012-08-08 | Kopfstation mit redundanz und zugehöriges verfahren |
| CN201280047911.9A CN103828271B (zh) | 2011-09-30 | 2012-08-08 | 具有冗余的头端及相关的方法 |
| US14/240,786 US9703746B2 (en) | 2011-09-30 | 2012-08-08 | Headend with redundancy, and an associated method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011083816A DE102011083816A1 (de) | 2011-09-30 | 2011-09-30 | Kopfstation mit Redundanz und zugehöriges Verfahren |
| DE102011083816.3 | 2011-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013045160A1 true WO2013045160A1 (de) | 2013-04-04 |
Family
ID=46704603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/065501 Ceased WO2013045160A1 (de) | 2011-09-30 | 2012-08-08 | Kopfstation mit redundanz und zugehöriges verfahren |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9703746B2 (de) |
| EP (1) | EP2761792B1 (de) |
| CN (1) | CN103828271B (de) |
| BR (1) | BR112014006889B1 (de) |
| DE (1) | DE102011083816A1 (de) |
| WO (1) | WO2013045160A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018000559A1 (de) * | 2018-01-24 | 2019-07-25 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | System zum erzeugen eines datenstroms auf basis redundanter informationen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10011267A1 (de) | 2000-03-08 | 2001-09-13 | Tenovis Gmbh & Co Kg | Kommunikationsmodul für den Busbetrieb sowie System mit mehreren Kommunikationsmodulen |
| US20060088023A1 (en) * | 2004-10-26 | 2006-04-27 | Nokia Corporation | System and method for synchronizing a transport stream in a single frequency network |
| EP2282451A1 (de) * | 2009-07-27 | 2011-02-09 | Rohde & Schwarz GmbH & Co. KG | Verteilerkopf mit Bussystem |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10291055D2 (de) | 2001-03-15 | 2004-04-15 | Bosch Gmbh Robert | Verfahren zur Ansteuerung einer Komponente eines verteilten sicherheitsrelevanten Systems |
| JP2006129355A (ja) * | 2004-11-01 | 2006-05-18 | Internatl Business Mach Corp <Ibm> | 情報処理装置、データ伝送システム、データ伝送方法、および該データ伝送方法を情報処理装置に対して実行させるためのプログラム |
| US7979746B2 (en) * | 2009-04-27 | 2011-07-12 | Honeywell International Inc. | Dual-dual lockstep processor assemblies and modules |
| US8655156B2 (en) * | 2010-03-02 | 2014-02-18 | Cisco Technology, Inc. | Auxiliary audio transmission for preserving synchronized playout with paced-down video |
-
2011
- 2011-09-30 DE DE102011083816A patent/DE102011083816A1/de not_active Withdrawn
-
2012
- 2012-08-08 US US14/240,786 patent/US9703746B2/en active Active
- 2012-08-08 EP EP12748415.2A patent/EP2761792B1/de active Active
- 2012-08-08 WO PCT/EP2012/065501 patent/WO2013045160A1/de not_active Ceased
- 2012-08-08 CN CN201280047911.9A patent/CN103828271B/zh active Active
- 2012-08-08 BR BR112014006889-5A patent/BR112014006889B1/pt active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10011267A1 (de) | 2000-03-08 | 2001-09-13 | Tenovis Gmbh & Co Kg | Kommunikationsmodul für den Busbetrieb sowie System mit mehreren Kommunikationsmodulen |
| US20060088023A1 (en) * | 2004-10-26 | 2006-04-27 | Nokia Corporation | System and method for synchronizing a transport stream in a single frequency network |
| EP2282451A1 (de) * | 2009-07-27 | 2011-02-09 | Rohde & Schwarz GmbH & Co. KG | Verteilerkopf mit Bussystem |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112014006889B1 (pt) | 2022-04-05 |
| US20140207985A1 (en) | 2014-07-24 |
| DE102011083816A1 (de) | 2013-04-04 |
| BR112014006889A2 (pt) | 2017-04-04 |
| US9703746B2 (en) | 2017-07-11 |
| CN103828271A (zh) | 2014-05-28 |
| EP2761792B1 (de) | 2016-10-05 |
| CN103828271B (zh) | 2016-05-04 |
| EP2761792A1 (de) | 2014-08-06 |
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