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A new chip for decoding data transmissions demonstrates record-breaking energy efficiency（图）
数据传输 新芯片 能源效率
2023/6/8
Imagine using an online banking app to deposit money into your account. Like all information sent over the internet, those communications could be corrupted by noise that inserts errors into the data.
New research published in Nature Physics details the relationship between a disordered material’s individual particle arrangement and how it reacts to external stressors. The study also found that the...
A universal system for decoding any type of data sent across a network（图）
解码 计算机网络 芯片 半导体技术
2023/6/9
Every piece of data that travels over the internet — from paragraphs in an email to 3D graphics in a virtual reality environment — can be altered by the noise it encounters along the way, such as elec...
Counter Braids: Asymptotic Optimality of the Message Passing Decoding Algorithm
Counter structure braids high-speed link counter braid
2015/8/21
A novel counter architecture, called Counter Braids, has recently been proposed for per-flow counting on high-speed links. Counter Braids has a layered structure and compresses the flow si...
Maxwell Construction: The Hidden Bridge between Iterative and Maximum a Posteriori Decoding
Decoding the decoding algorithm maxwell decoder decoder binary
2015/8/21
There is a fundamental relationship between belief propagation and maximum a posteriori decoding. A decoding algorithm, which we call the Maxwell decoder, is introduced and provides a constructive des...
ENCODING AND DECODING OF PLANAR MAPS THROUGH CONFORMING DELAUNAY TRIANGULATIONS
Planer Maps Conforming Delaunay Triangulations
2015/8/17
This paper describes a method to represent a Planar Map (PM) through a Conforming Delaunay Triangulation (CDT) with applications in a server-client environment. At the server a CDT of the edges of the...
Interference Decoding for Deterministic Channels
Capacity region deterministic model interference alignment interference channel multiuser information theory network information theory simultaneous non-unique decoding
2015/8/12
An inner bound to the capacity region of a class of deterministic interference channels with three user pairs is presented.The key idea is to simultaneously decode the combined interference signal and...
Decoding by Linear Programming
Linear codes decoding of (random) linear codes sparse solutions to underdetermined systems `1 minimization basis pursuit duality in optimization linear programming restricted orthonormality principal angles Gaussian random matrices singular values of random matrices
2015/6/17
This paper considers the classical error correcting problem which is frequently discussed in coding theory. We wish to recover an input vector f ∈ Rn from corrupted measurements y = Af + e. Here, A is...
Layered Decoding of Nonbinary LDPC Codes Suitable for High-Speed Optical Communications
Optical communications Forward error correction Low-density parity- check codes
2015/5/25
We propose using layered update rule in decoding nonbinary LDPC codes. Only 10-15 iterations suffice for good performance. Also, for the same BER performance, it increases throughput by twofold compar...
A Triple-Concatenated FEC using Soft-Decision Decoding for 100 Gb/s Optical Transmission
Optical communications
2015/6/8
We propose a novel triple-concatenated forward error correction for 100Gb/s transmission. Simulation shows that a net coding gain of 10.8dB is obtained by a soft-decision LPDC code concatenated with t...
Efficient Incremental Decoding for Tree-to-String Translation
Efficient Incremental Decoding Tree-to-String Translation
2013/4/22
Syntax-based translation models should in principlebe efficient with polynomially-sized search space, but in practice they are often embarassingly slow, partly due to the cost of language model integr...
An Efficient Shift-Reduce Decoding Algorithm for Phrased-Based Machine Translation
Efficient Shift-Reduce Decoding Algorithm Phrased-Based Machine Translation
2013/4/22
In statistical machine translation, decod-ing without any reordering constraint is an NP-hard problem. Inversion Transduc-tion Grammars (ITGs) exploit linguistic structure and can well balance the nee...
Simplified LLRs for the Decoding of Single Parity Check Turbo Product Codes Transmitted Using 16QAM
LLRs Decoding of Single Parity Turbo Product Codes 16QAM
2009/9/4
Iterative soft-decision decoding algorithms require channel log-likelihood ratios (LLRs) which, when using 16QAM modulation, require intensive computations to be obtained. Therefore, we derive four si...
Decoding the Ternary (23, 11, 9) Quadratic Residue Code
Decoding Ternary (23, 11, 9) Quadratic Residue Code
2009/9/4
The algebraic decoding of binary quadratic residue codes can be performed using the Peterson or the Berlekamp-Massey algorithm once certain unknown syndromes are determined or eliminated. The techniqu...
Joint Decoding with Multiple Translation Models
Joint Decoding Multiple Translation Models
2013/4/22
Current SMT systems usually decode with single translation models and cannot ben-efit from the strengths of other models in decoding phase. We instead proposejoint decoding, a method that combines mul...