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Topic: Error burst

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	Burst/slip correction decoder and method - Patent 4059825
		A b-length burst error is a sequence of b consecutive digits in which, at least, the first and last digit are in error and wherein the intermediate digits may or may not be in error.
		However, during periods in which burst error conditions prevail, the Phased Locked Loop is deprived of a reliable corrective feedback signal and the master receiver clock may drift with respect to the transmitting clock.
		The actual error burst was basically correctable but the detection circuitry associated with S-register 26 prematurely signalled a correctable condition prior to arriving at the region of the actual error.
	www.freepatentsonline.com /4059825.html (9401 words)

	BATSE4B - CGRO/BATSE 4B Catalog
		During the burst data readout, the 64 ms threshold is revised to correspond to the maximum rate attained by the current burst, and triggering is disabled on the 256 ms and 1024 ms timescales.
		The angular error in position is the radius of a circle having the same area as the 68% confidence ellipse defined by the formal covariance matrix from a chi^2 fit on the assumption of normal errors.
		The error in angular location is the radius of a circle having the same area as the 68% confidence ellipse defined by the formal covariance matrix from a chi^2 fit on the assumption of normal errors.
	heasarc.gsfc.nasa.gov /W3Browse/cgro/batse4b.html (3065 words)

	Error burst: Definition and Links by Encyclopedian.com
		...Error burst Error burst In telecommunication, an error burst is a contiguous...symbols are in error and there exists no contiguous subsequence of m correctly received...error and there exists no contiguous subsequence of m correctly received symbols within the error...
		In telecommunication, an error burst is a contiguous sequence of symbols, received over a data transmission channel, such that the first and last symbols are in error and there exists no contiguous subsequence of m correctly received symbols within the error burst[?].
		Note: The integer parameter m is referred to as the guard band of the error burst.
	www.encyclopedian.com /er/Error-burst.html (311 words)

	Error correction extending over multiple sectors of data storage patent invention
		An example of a catastrophic failure is a damaged head, and an example of a long duration error burst would be a dislodged particle from the interior of the disc drive that had settled on the media at some point after the drive left the factory.
		When an error burst is encountered that is too long to be corrected by conventional techniques, then a second tier correction using the superblock error correction codes is performed to correct the long error burst.
		A horizontal axis 202 represents a size of an error burst and a vertical axis 204 represents a statistical frequency of occurrence of the error burst.
	www.freshpatents.com /Error-correction-extending-over-multiple-sectors-of-data-storage-dt20060105ptan20060005068.php (1787 words)

	Definition: error burst
		error burst: A contiguous sequence of symbols, received over a data transmission channel, such that the first and last symbols are in error and there exists no contiguous subsequence of m correctly received symbols within the error burst.
		Note: The integer parameter m is referred to as the guard band of the error burst.
		The last symbol in a burst and the first symbol in the following burst are accordingly separated by m correct bits or more.
	www.atis.org /tg2k/_error_burst.html (125 words)

	Ch 16 Errors
		As hard as we strive to eliminate errors, we have seen that errors are as common as viruses found in a healthy body.
		Errors that have no relation to each other occur singly and are easily corrected.
		The problem with BER is that it counts large and small burst errors equally and not the distribution of the errors.
	csunix1.lvc.edu /~snyder/errors.html (1152 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: )
		CIRC corrects error bursts up to 3,500 bits in sequence (2.4 mm in length as seen on CD surface) and compensates for error bursts up to 12,000 bits (8.5 mm) that may be caused by minor scratches.
		Errors found in the CD system are a combination of random and burst errors.
		If a major error occurs and a sample cannot be perfectly reconstructed by the error control circuitry, it is possible to "guess" the content of the sample; that is, obtain an approximation by interpolating it off the neighbouring audio samples.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=CIRC (301 words)

	Digital Audio Reproduction
		Error correction uses redundancy to replace erroneous data with newly calculated valid data.
		When a burst error happens, both the data and redundant data are lost and error correction becomes difficult or impossible.
		If an error is detected but cannot be corrected, error concealment techniques are used to be sure the error is not audible.
	mtsu.edu /~jakins/4200/4200error.html (489 words)

	GL Communications - Error Insertion
		Multiframe Errors uses a multiframe mask file that was created by the Tx Multiframe application to insert errors.
		You can direct that an error will be inserted in the timeslot and bit position of their choice.
		Bulk delay is an added feature in Error insertion application (applicable only to USB Analyzers) under Intrusive Tests menu, that allows users to apply delay on the entire T1/E1 trunk (full multi-frame) of 1.544Mbps (T1) pipe or 2.048 Mbps (E1) pipe.
	www.gl.com /errorinsertion.html (518 words)

	Checking Up
		If the same bit errors should happen to occur in both copies, the errors will not be detected by the receiver.) In addition to reducing the bandwidth cost of transmitting the error detection code itself, this also increases the message throughput.
		That's because our previous requirement for error detectionÑthat the lowest-order column with an error have only one errorÑis always met when the length of the error burst is no longer than the width of the checksum.
		Errors will only be overlooked if the modified message has exactly the same sum as the original one, for which there is a 2-8 chance.
	www.netrino.com /Connecting/1999-11/index.php (3153 words)

	Using bit-error-rate testers to test-drive FEC codes - Electronics Design News Asia \| EDNAsia.com (Site not responding. Last check: )
		Whenever the number of symbol errors within the 204-byte block is less than or equal to eight, you can remove the errors from further error counting and analysis, because an error corrector would have removed them.
		Error distributions, which you obtain by applying various error-location-analysis techniques, reveal the bursts to be random and correlated.
		Figure 4 shows that both bit and burst errors are present and that some errors are highly correlated with the segment length (the horizontal "band"), which equals the system's "natural" data-packet size.
	www.ednasia.com /article-419-usingbiterrorratetesterstotestdrivefeccodes-Asia.html (2775 words)

	Error burst Information - eve burst error faq
		In telecommunication, eve burst error faq an error burst is a contiguous sequence of symbols, received over a data transmission channel, such that the first and last symbols are in error and there exists no contiguous subsequence of m correctly received symbols within the error burst.
		The last symbol in a burst and eve burst error walkthrough the first symbol in the following burst eve burst error are accordingly separated by m correct bits or more.
		The study of new semiconductor devices and their technology is sometimes considered as a branch of physics.
	www.inanot.com /Ina-Electronics_Topics_Em_-_F-/Error_burst.html (186 words)

	Burst
		Suddenly and violently broken open especially from internal pressure; "a burst balloon"; "burst pipes"; "burst seams"; "a ruptured appendix"; (`busted' is an informal term for `burst' as in "a busted balloon").
		A sudden momentary increase of the error rate of a signal A typical value is for example an increase of the error rate from 0 to 1 in 10 for 0 5 ms.
		The incorrect past tense forms attackted, bursted, drownded, are sometimes heard; as, "The cashier was attackted by three of the ruffians," "The cannon bursted and killed the gunners,"" The fishermen were drownded off the bar." Use attacked, burst, drowned.
	www.websters-dictionary-online.net /definition/english/bu/burst.html (3267 words)

	[No title]
		Error models and goals We will analyze the code behavior under two conditions: - noisy channel - burst errors of an average length of n bits - low noise channel - independent single bit errors Burst errors are the prevalent natural phenomenon on communication lines and recording media.
		For the burst error rate we will take 10^-10 (the numbers quoted for BER on wired communication channels are between 10^-10 to 10^-12 and we consider the BER as burst-error-rate*average-burst-length).
		Please observe also that burst errors that are characterized by a fixed average time will have higher impact on error detection capability as the speed of the channels (machines and networks) increases.
	www.haifa.il.ibm.com /satran/ips/draft-sheinwald-iSCSI-CRC-00.txt (2380 words)

	Term Paper on Error Detection Coding
		Error detection coding The theoretical limitations of coding are placed by the results of information theory.
		Error detection coding is designed to permit the detection of errors.
		A polynomial code can detect any error burst of length less than or equal to the length of the generator polynomial.
	www.swiftpapers.com /essay/Error_Detection_Coding-123183.html (176 words)

	[No title]
		Multiplying this by the generous upper bound on the probability that this burst error is not detected, Pud(p33), we get that the probability that a burst* occurred at a specific position, and is not detected, is 7.79 x 10 ^{-46}.
		For burst errors, by the simple examples that exist for three consecutive values that can produce an undetected burst, we take the factor to be at least the same.
		Error detection, i.e., computing the CRC bits by the data and header parts that arrive, and comparing them with the CRC part that arrives together with them, can be done at the final, end-target node only, and the detected errors will include unwanted changes introduced by the intermediate nodes.
	www.ietf.org /rfc/rfc3385.txt (3275 words)

	Reliable Multicast Considering the Temporal Dependence in Packet Loss
		In the centralized burst detection method, the sender is responsible for examining the temporal burst and notifying it to receivers in the multicast group.
		After detecting the temporal burst, the protocol changes its group management method by adjusting the number of multiple channels and the number of packets in a data block according to the level of the burst.
		In the centralized burst detection method, the sender is responsible for examining the burst loss and notifying it to members of the multicast group.
	www.isoc.org /inet2001/CD_proceedings/T54/T54.htm (3275 words)

	[No title]
		For the burst error rate we will take 10^-10 (the numbers quoted for BER on wired communication channels are between 10^-10 to 10^-12 and we consider the BER as burst-error-rate*average-burst- length).
		Multiplying this by the probability that this burst error is not Sheinwald, D. Informational, Expire October 2001 9 iSCSI CRC considerations 28-Feb-02 detected, Pud(p33), we get that the probability that a burst* that occurred at a specific position is not detected is 7.79 x 10 ^{-46}.
		Error detection, i.e., computing the CRC bits by the data and header parts that arrive, and comparing them with the CRC part that arrive together with them, can be done at the final, end- target node only, and the detected errors will include unwanted changes introduced by the intermediate nodes.
	www.research.ibm.com /haifa/satran/ips/draft-sheinwald-iscsi-crc-01.txt (3161 words)

	Link Error Simulator - Model 108 - GDP Space Systems - Telemetry Systems, Synchronizers, BERTS, Demodulaters, ...
		The probability of error burst occurrence and the number of errors per burst are settable.
		Error insertion is controlled by digital pseudo-random sequence generators.
		) opq error bits/bit; where m and n are selectable from 0 through 9 to form the burst rate and opq (a three digit number which represents the average number of (errors per burst) is selectable from 0 to 999.
	www.gdpspace.com /products/108.htm (190 words)

	WildPackets - Soft Errors
		A parity error was detected during DMA (Direct Memory Access) between the adapter and the attached system.
		The AC Error is Isolating; the FC Error is Non-Isolating.
		The Isolating error points to the immediate upstream neighbor; the AC Error points to the immediate upstream neighbor as being the one who didn’t set the bits properly in the AMP or SMP frame.
	www.wildpackets.com /support/compendium/token_ring/soft_errors/printable (1053 words)

	Memtech: Error Detection and Correction (EDAC)
		Error Detection and Correction (EDAC) logic helps the drive maintain data integrity by allowing single or multiple bit corrections on the data stored in the flash array.
		If the data in the flash array is corrupted due to aging or during the programming process, the EDAC can compensate for the errors and deliver good data to the host computer on subsequent reads.
		On the AT2500 and AT3500, an 88-bit Reed-Solomon ECC (Error Correction Code) polynomial is implemented, capable of correcting a single, 11-bit error burst on-the-fly, and detecting up to three 11-bit error bursts.
	www.memtech.com /ecc.html (221 words)

	Space Efficient Position Error Burst Pattern and Demodulation
		Head positioning control in a disk-drive is dependent on having a sufficient number of position error samples around a track.
		In the prior art, servo burst pattern is segmented with spaces between servo bursts as shown in Fig.
		burst, the normal servo burst transitions in the lower track are
	www.priorartdatabase.com /IPCOM/000122791 (429 words)

	BitAlyzer BA1500 1.5 Gb/s Data Analyzer User Interface :: SyntheSys Research
		Errors are Identified by comparing the incoming data stream with the expected sequence, bit-by-bit.
		Quantifying the occurrences of bursts of different lengths, this chart can measure the probability of having errors of given lengths and qualitatively analyze a channel's baseline performance.
		The length of a repetitive error free interval points to the frequency of interference, giving an excellent clue to possible causes.
	www.synthesysresearch.com /Products/ba1500_tour.html (436 words)

	Cisco - Soft Error Information
		The first station detecting a line error increments its appropriate error counter and sets the E=1 in the ED of the frame; this prevents other stations from also logging the error and isolates the source of the disturbance to the proper error domain.
		When a station detects an error condition on the ring (such as FCS error, lost token, or lost frame) it increments the appropriate error counter.
		These errors are reported on a periodic basis to the REM.
	www.cisco.com /warp/public/482/12.html (609 words)

	Frequently Asked Questions About Compact Discs
		A BURST error is defined as a region having seven or more contiguous C1 frames, each having two or more error bytes.
		As a result, errors from a disc having a "large" defect might be correctable in one drive but not in another.
		The presence of E22, E32, or BURST errors indicate the presence of physical defects that violate the requirements of CD-DA, CD-ROM, and CD-R standards.
	www.mscience.com /faq16.html (899 words)

	Gamma
		Thus, for a number of error boxes, the limits on the existence of extragalactic objects within their confines already imposes constraints on the minimum luminosity of the GRB sources, as well as that of its host galaxy (Schaefer 1992, Fenimore et al., 1993).
		When the burst position is plotted with respect to the cluster boundary, we find that two of the bursts fall well outside the boundaries of the cluster, two bursts fall on the cluster boundary, and one burst is consistent with the position of a cluster (Abell 2503 with GRB910814).
		One result from our investigation is that while the burst- source matches are consistent with random distributions, in each case the number of real matches in the first bin was always lower than that predicted from the random distribution.
	astro.nmsu.edu /~bwebber/gammadoc.html (3463 words)

	ERROR-CORRECTING ENCODER AND DECODER FOR ASYMMETRIC BINARY DATA CHANNELS (US3648238)
		A message group is encoded by a burst error correcting cyclic code to form a code group consisting of message bits and check bits, the check bits being the remainder after division of the message bits by the cyclic code.
		The burst error pattern is compared with respective error syndromes in error cosets generated by division of the retrieved code group and its complement by the cyclic code group and its complement by the cyclic code to determine whether the error burst occurred in the code group or its complement.
		comparing the detected error burst pattern with the respective error syndromes of the cyclic-coded digital data and its complement to determine whether the error burst occurred in the cyclic-coded digital data or its complement; and
	www.delphion.com /details?pn=US03648238__ (381 words)

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