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Circulant matrix

Known as: Circulant, Circulant determinant, Circulant matrices 
In linear algebra, a circulant matrix is a special kind of Toeplitz matrix where each row vector is rotated one element to the right relative to the… 
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Related topics

Related topics

27 relations
Adjacency matrixCircular convolutionCompetitive Lotka–Volterra equationsConvolution

Broader (1)

Numerical linear algebra

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2010
2010
Compressive radar imaging using white stochastic waveforms
In this paper, we apply the principles of compressive sampling to ultra-wideband (UWB) stochastic waveform radar. The theory of… 
2010
2010
Channel Estimation in Wireless OFDM Systems With Irregular Pilot Distribution
This paper addresses pilot-assisted channel estimation for wireless orthogonal frequency division multiplexing (OFDM) systems… 
2009
2009
High Performance Non-Binary Quasi-Cyclic LDPC Codes on Euclidean Geometries LDPC Codes on Euclidean Geometries
This paper presents algebraic methods for constructing high performance and efficiently encodable non-binary quasi-cyclic LDPC… 
Highly Cited
2008
Highly Cited
2008
Mitigation of linear and nonlinear impairments in high-speed optical networks by using LDPC-coded turbo equalization
We study a turbo equalization scheme based on low-density parity-check (LDPC) coded turbo equalization (TE). This scheme is… 
2008
2008
A Low-Complexity LMMSE Channel Estimation Method for OFDM-Based Cooperative Diversity Systems with Multiple Amplify-and-Forward Relays
Orthogonal frequency division multiplexing- (OFDM-) based amplify-and-forward (AF) cooperative communication is an effective way… 
2006
2006
Multilevel coding in M-ary DPSK/differential QAM high-speed optical transmission with direct detection
A bandwidth- and power-efficient modulation scheme using M-ary differential phase-shift keying (DPSK)/differential quadrature… 
2006
2006
An optimal message routing algorithm for circulant networks
2005
2005
Some Classes of Quasi-Cyclic LDPC Codes: Properties and Efficient Encoding Method
Low-density parity-check (LDPC) codes are one of the most promising next-generation error-correcting codes. For practical use… 
Highly Cited
2004
Highly Cited
2004
Block-circulant low-density parity-check codes for optical communication systems
A novel family of structured low-density parity-check (LDPC) codes with block-circulant parity-check matrices that consist of… 
2002
2002
Speech encryption using circulant transformations
A new analog encryption technique using unitary circulant transformations of the sampled analog signal is proposed. This… 
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