144 citations · 341 across the 27 of their papers we have counts for
16 papers · 1 filter
Feedback Acquisition and Reconstruction of Spectrum-Sparse Signals by Predictive Level Comparisons
Mahdi Boloursaz Mashhadi, Saeed Gazor, Nazanin Rahnavard +1
In this letter, we propose a sparsity promoting feedback acquisition and reconstruction scheme for sensing, encoding and subsequent reconstruction of spectrally sparse signals. In…
Iterative method for simultaneous sparse approximation
Sahar Sadrizadeh, Shahrzad Kiani, Mahdi Boloursaz +1
This paper studies the problem of Simultaneous Sparse Approximation (SSA). This problem arises in many applications which work with multiple signals maintaining some degree of depe…
Interpolation of Sparse Graph Signals by Sequential Adaptive Thresholds
Mahdi Boloursaz Mashhadi, Maryam Fallah, Farokh Marvasti
This paper considers the problem of interpolating signals defined on graphs. A major presumption considered by many previous approaches to this problem has been lowpass/ band-limit…
Sampling and Distortion Tradeoffs for Indirect Source Retrieval
Elaheh Mohammadi, Alireza Fallah, Farokh Marvasti
Consider a continuous signal that cannot be observed directly. Instead, one has access to multiple corrupted versions of the signal. The available corrupted signals are correlated…
Power Allocation and Measurement Matrix Design for Block CS-Based Distributed MIMO Radars
Azra Abtahi, M. Modarres-Hashemi, Farokh Marvasti +1
Multiple-input multiple-output (MIMO) radars offer higher resolution, better target detection, and more accurate target parameter estimation. Due to the sparsity of the targets in…
Heart Rate Tracking using Wrist-Type Photoplethysmographic (PPG) Signals during Physical Exercise with Simultaneous Accelerometry
Mahdi Boloursaz Mashhadi, Ehsan Asadi, Mohsen Eskandari +2
This paper considers the problem of casual heart rate tracking during intensive physical exercise using simultaneous 2 channel photoplethysmographic (PPG) and 3 dimensional (3D) ac…
On Optimum Asymptotic Multiuser Efficiency of Randomly Spread CDMA
Mohammad Ali Sedaghat, Ralf Müller, Farokh Marvasti
We extend the result by Tse and Verdú on the optimum asymptotic multiuser efficiency of randomly spread CDMA with Binary Phase Shift Keying (BPSK) input. Random Gaussian and random…
Sampling and Distortion Tradeoffs for Bandlimited Periodic Signals
Elaheh Mohammadi, Farokh Marvasti
In this paper, the optimal sampling strategies (uniform or nonuniform) and distortion tradeoffs for Gaussian bandlimited periodic signals with additive white Gaussian noise are stu…
Interference Networks with General Message Sets: A Random Coding Scheme
Reza K. Farsani, Farokh Marvasti
In this paper, the Interference Network with General Message Sets (IN-GMS) is introduced in which several transmitters send messages to several receivers: Each subset of transmitte…
OFDM pilot allocation for sparse channel estimation
Pooria Pakrooh, Arash Amini, Farrokh Marvasti
In communication systems, efficient use of the spectrum is an indispensable concern. Recently the use of compressed sensing for the purpose of estimating Orthogonal Frequency Divis…
The Capacity Region of p-Transmitter/q-Receiver Multiple-Access Channels with Common Information
Ali Haghi, Reza K. Farsani, Mohammad Reza Aref +1
This paper investigates the capacity problem for some multiple-access scenarios with cooperative transmitters. First, a general Multiple-Access Channel (MAC) with common informatio…
Capacity Achieving Linear Codes with Random Binary Sparse Generating Matrices
A. Makhdoumi Kakhaki, H. Karkeh Abadi, P. Pad +3
In this paper, we prove the existence of capacity achieving linear codes with random binary sparse generating matrices. The results on the existence of capacity achieving linear co…
Capacity Bounds for Multiuser Channels with Non-Causal Channel State Information at the Transmitters
Reza K. Farsani, Farokh Marvasti
In this paper, capacity inner and outer bounds are established for the multiuser channels with Channel State Information (CSI) known non-causally at the transmitters: The Multiple…
A New Decoding Scheme for Errorless Codes for Overloaded CDMA with Active User Detection
Ali Mousavi, Pedram Pad, Farokh Marvasti
Recently, a new class of binary codes for overloaded CDMA systems are proposed that not only has the ability of errorless communication but also suitable for detecting active users…
Deterministic Construction of Binary, Bipolar and Ternary Compressed Sensing Matrices
Arash Amini, Farokh Marvasti
In this paper we establish the connection between the Orthogonal Optical Codes (OOC) and binary compressed sensing matrices. We also introduce deterministic bipolar RIP…
Bounds on the Sum Capacity of Synchronous Binary CDMA Channels
K. Alishahi, F. Marvasti, V. Aref +1
In this paper, we obtain a family of lower bounds for the sum capacity of Code Division Multiple Access (CDMA) channels assuming binary inputs and binary signature codes in the pre…