COMPANDING


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AcronymDefinition
COMPANDINGCompressing/Expanding
References in periodicals archive ?
Li et al., "Hadamard transform combined with companding transform technique for PAPR reduction in an optical direct-detection OFDM system," Journal of Optical Communications and Networking, vol.
Theoretical and Experimental Investigation of Direct Detection Optical OFDM Systems with Clipping and Normalization
Ng, "Reduction of peak-to-average power ratio of OFDM system using a companding technique", IEEE Trans.
PAPR Reduction of OFDM Signal with SPS-SLM Technique and Analysis of BER Performance through AWGN Channel
The watermarking data are embedded into the detailed sub-bands of every block with the companding technique consisting of a successive process of compression and expansion [20].
Reversible watermarking with adaptive embedding threshold matrix
"Companding Transform for reduction in peak-to-average power ratio of OFDM signals," IEEE transactions on Wireless Communications, 3(4): 2030-2039.
Two novel low complexity schemes for PAPR reduction in OFDM systems using cyclically shifted time domain sequences
The DWT-64DAPSK system in Fig.2a using Rayleigh channel with Jakes or Gaussian spectrum is shown to have at least 32dB lower PSD with or without companding when compared to that with exponential transform.
High performance OFDM systems for digital video broadcasting-terrestrial (DVB-T)
High-quality DPCM speech coding scheme employing the scalar companding quantizer and the switched first-order predictor is proposed in [10].
Multilevel Delta Modulation with Switched First-Order Prediction for Wideband Speech Coding
In this paper, further motivated by tradeoffs among BER performance, PAPR reduction, distortion noise, and transmit power of MCM systems, we propose an adaptive nonlinear companding scheme with low companding distortion noise.
Reduction of peak-to-average power ratio of multicarrier modulation signals with adaptive companding scheme
PAPR can also be reduced at the expense of non-linear distortion by using iterative clipping and filtering (ICF), peak windowing and companding [2][3].
Optimal design of piecewise linear companding transforms for PAPR reduction in OFDM systems
Log domain filters use companding in signal processing idea [18], [19].
Log-domain universal biquad filter design using lossy integrators
PAPR can also be reduced by deterministic operations, like iterative clipping and filtering (ICF), peak windowing and companding.
An adaptive companding scheme for peak-to-average power ratio reduction in OFDM systems
Aleksic, "Optimization of [mu]-law companding quantizer for Laplacian source using Muller's method", Przeglad Elektrotevhniczny, vol.
Speech signal coding using forward adaptive quantization and simple transform coding
Chen, "Implementation of low-complexity companding technique for efficient peak-to-average power ratio reduction in orthogonal frequency division multiplexing systems," IET Communications, vol.
Prototype of a peak to average power ratio reduction scheme in orthogonal frequency division multiplexing systems
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