'Hamming codes' presentation slideshows

Chapter 4 Data Link Layer

Chapter 4 Data Link Layer. Framing Error control Flow control Multiplexing Link Maintenance Security. Services. Transfers frames across direct connections Directly connected (can be wireless), wire-like Losses & errors, but no out-of-sequence frames More detailed services

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Some optimization problems in Coding theory

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COT 5611 Operating Systems Design Principles Spring 2010

COT 5611 Operating Systems Design Principles Spring 2010. Dan C. Marinescu Office: HEC 439 B Office hours: M-Wd 1:00-2:00 PM. Names and the three basic abstractions. Memory ? stores named objects write(name, value) value ? READ(name)

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Hamming Codes

Hamming Codes. History.

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296.3:Algorithms in the Real World

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15-853:Algorithms in the Real World

15-853:Algorithms in the Real World. Error Correcting Codes I Overview Hamming Codes Linear Codes. Mathematicians are like Frenchmen: whatever you say to them they translate into their own language and forthwith it is something entirely different. - Goethe. message (m). coder.

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15-853:Algorithms in the Real World

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Redundancy

Redundancy. The object of coding is to introduce redundancy so that even if some of the information is lost or corrupted, it will still be possible to recover the message at the receiver.

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CMOL vs NASICs

CMOL vs NASICs. T. Wang University of Massachusetts, Amherst September 29, 2005. Agenda. Problems of pure nanoelectronics Problems of Nano-CMOS interface Advantages Problems Conclusions on CMOL. Why not Pure Nanoelectronics?. Problems of Nanodevices

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Error Detection

Error Detection. Error detecting codes enable the detection of errors in data, but do not determine the precise location of the error. - store a few extra state bits per data word to indicate a necessary condition for the data to be correct

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II. Linear Block Codes

II. Linear Block Codes. Hamming Linear Block Codes. For any positive integer m ? 3, there exists a Hamming code such that:. Hamming Codes. Code Length: n = 2 m -1 No. of information symbols: k = n-m =2 m -m-1 No. of parity check symbols: n-k = m

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Functions of the Data Link Layer

Functions of the Data Link Layer. Provide service interface to the network layer Dealing with transmission errors Regulating data flow Slow receivers not swamped by fast senders. Functions of the Data Link Layer (2). Relationship between packets and frames. Errors in transmission.

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Functions of the Data Link Layer

Functions of the Data Link Layer. Provide service interface to the network layer Dealing with transmission errors Regulating data flow Slow receivers not swamped by fast senders. Functions of the Data Link Layer (2). Relationship between packets and frames. Errors in transmission.

286 views • 11 slides

Functions of the Data Link Layer

Functions of the Data Link Layer. Provide service interface to the network layer Dealing with transmission errors Regulating data flow Slow receivers not swamped by fast senders. Functions of the Data Link Layer (2). Relationship between packets and frames. Errors in transmission.

158 views • 11 slides

Hamming Codes

Hamming Codes. By: Eng. Jalal Al Roumy.

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Efficient Quantum Query Algorithms Detecting Hamming and Reed-Solomon Codes

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