482 citations
- Institute for Research in Fundamental SciencesIR35 papers
- Shahid Beheshti UniversityIR10 papers
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- University of TehranIR8 papers
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6 papers · 1 filter
Design and Practical Decoding of Full-Diversity Construction A Lattices for Block-Fading Channels
Hassan Khodaiemehr, Daniel Panario, Mohammad-Reza Sadeghi
Block-fading channel (BF) is a useful model for various wireless communication channels in both indoor and outdoor environments. The design of lattices for BF channels offers a cha…
Low-power and Reliable Solid-state Drive with Inverted Limited Weight Coding
Armin Ahmadzadeh, Omid Hajihassani, Pooria Taheri +1
In this work, we propose a novel coding scheme which based on the characteristics of NAND flash cells, generates codewords that reduce the energy consumption and improve the reliab…
Robust Cooperative Relay Beamforming
Behrad Mahboobi, Mehrdad Ardebilipour, Ashkan Kalantari +1
In this paper, the robust distributed relay beamforming problem is solved using the worst case approach, where the problem solution has been involved because of the effect of uncer…
Nonlinear FM Waveform Design to Reduction of sidelobe level in Autocorrelation Function
Roohollah Ghavamirad, Hossein Babashah, Mohammad Ali Sebt
This paper will design non-linear frequency modulation (NLFM) signal for Chebyshev, Kaiser, Taylor, and raised-cosine power spectral densities (PSDs). Then, the variation of peak s…
Parity Check Matrix Recognition from Noisy Codewords
Yasser Karimian, Saeideh Ziapour, Mahmoud Ahmadian Attari
We study recovering parity check relations for an unknown code from intercepted bitstream received from Binary Symmetric Channel in this paper. An iterative column elimination algo…
Lowering the Error Floor of LDPC Codes Using Cyclic Liftings
Reza Asvadi, Amir H. Banihashemi, Mahmoud Ahmadian-Attari
Cyclic liftings are proposed to lower the error floor of low-density parity-check (LDPC) codes. The liftings are designed to eliminate dominant trapping sets of the base code by re…