149 citations · 182 across the 19 of their papers we have counts for
23 papers · 1 filter
Machine Learning-Aided Efficient Decoding of Reed-Muller Subcodes
Mohammad Vahid Jamali, Xiyang Liu, Ashok Vardhan Makkuva +3
Reed-Muller (RM) codes achieve the capacity of general binary-input memoryless symmetric channels and are conjectured to have a comparable performance to that of random codes in te…
Low-Complexity Decoding of a Class of Reed-Muller Subcodes for Low-Capacity Channels
Mohammad Vahid Jamali, Mohammad Fereydounian, Hessam Mahdavifar +1
We present a low-complexity and low-latency decoding algorithm for a class of Reed-Muller (RM) subcodes that are defined based on the product of smaller RM codes. More specifically…
ProductAE: Towards Training Larger Channel Codes based on Neural Product Codes
Mohammad Vahid Jamali, Hamid Saber, Homayoon Hatami +1
There have been significant research activities in recent years to automate the design of channel encoders and decoders via deep learning. Due the dimensionality challenge in chann…
KO codes: Inventing Nonlinear Encoding and Decoding for Reliable Wireless Communication via Deep-learning
Ashok Vardhan Makkuva, Xiyang Liu, Mohammad Vahid Jamali +3
Landmark codes underpin reliable physical layer communication, e.g., Reed-Muller, BCH, Convolution, Turbo, LDPC and Polar codes: each is a linear code and represents a mathematical…
Coded Computing via Binary Linear Codes: Designs and Performance Limits
Mahdi Soleymani, Mohammad Vahid Jamali, Hessam Mahdavifar
We consider the problem of coded distributed computing where a large linear computational job, such as a matrix multiplication, is divided into smaller tasks, encoded using an…
Reed-Muller Subcodes: Machine Learning-Aided Design of Efficient Soft Recursive Decoding
Mohammad Vahid Jamali, Xiyang Liu, Ashok Vardhan Makkuva +3
Reed-Muller (RM) codes are conjectured to achieve the capacity of any binary-input memoryless symmetric (BMS) channel, and are observed to have a comparable performance to that of…
Covert Millimeter-Wave Communication: Design Strategies and Performance Analysis
Mohammad Vahid Jamali, Hessam Mahdavifar
In this paper, we investigate covert communication over millimeter-wave (mmWave) frequencies. In particular, a mmWave transmitter, referred to as Alice, attempts to reliably commun…
Massive Coded-NOMA for Low-Capacity Channels: A Low-Complexity Recursive Approach
Mohammad Vahid Jamali, Hessam Mahdavifar
In this paper, we present a low-complexity recursive approach for massive and scalable code-domain nonorthogonal multiple access (NOMA) with applications to emerging low-capacity s…
Covert Millimeter-Wave Communication via a Dual-Beam Transmitter
Mohammad Vahid Jamali, Hessam Mahdavifar
In this paper, we investigate covert communication over millimeter-wave (mmWave) frequencies. In particular, a dual-beam mmWave transmitter, comprised of two independent antenna ar…
Coded Distributed Computing: Performance Limits and Code Designs
Mohammad Vahid Jamali, Mahdi Soleymani, Hessam Mahdavifar
We consider the problem of coded distributed computing where a large linear computational job, such as a matrix multiplication, is divided into smaller tasks, encoded using an…
Uplink Non-Orthogonal Multiple Access over Mixed RF-FSO Systems
Mohammad Vahid Jamali, Hessam Mahdavifar
In this paper, we consider a relay-assisted uplink non-orthogonal multiple access (NOMA) system. In this system, two radio frequency (RF) users are grouped for simultaneous transmi…
Channel Coding at Low Capacity
Mohammad Fereydounian, Hamed Hassani, Mohammad Vahid Jamali +1
Low-capacity scenarios have become increasingly important in the technology of the Internet of Things (IoT) and the next generation of wireless networks. Such scenarios require eff…
Outage Probability Analysis of Uplink NOMA over Ultra-High-Speed FSO-Backhauled Systems
Mohammad Vahid Jamali, Seyed Mohammad Azimi-Abarghouyi, Hessam Mahdavifar
In this paper, we consider a relay-assisted uplink non-orthogonal multiple access (NOMA) system where two radio frequency (RF) users are grouped for simultaneous transmission, over…
A Low-Complexity Recursive Approach Toward Code-Domain NOMA for Massive Communications
Mohammad Vahid Jamali, Hessam Mahdavifar
Nonorthogonal multiple access (NOMA) is a promising technology to meet the demands of the next generation wireless networks on massive connectivity, high throughput and reliability…
Statistical Studies of Fading in Underwater Wireless Optical Channels in the Presence of Air Bubble, Temperature, and Salinity Random Variations (Long Version)
Mohammad Vahid Jamali, Ali Mirani, Alireza Parsay +6
Optical signal propagation through underwater channels is affected by three main degrading phenomena, namely absorption, scattering, and fading. In this paper, we experimentally st…
MIMO Underwater Visible Light Communications: Comprehensive Channel Study, Performance Analysis, and Multiple-Symbol Detection
Mohammad Vahid Jamali, Pooya Nabavi, Jawad A. Salehi
In this paper, we analytically study the bit error rate (BER) performance of underwater visible light communication (UVLC) systems with binary pulse position modulation (BPPM). We…
Mining DNA Sequences Based on Spatially Coded Technique Using Spatial Light Modulator
Masoome Fazelian, Sajjad AbdollahRamezani, Sima Bahrani +6
In this paper, we present an optical computing method for string data alignment applicable to genome information analysis. By applying moire technique to spatial encoding patterns…
Statistical Distribution of Intensity Fluctuations for Underwater Wireless Optical Channels in the Presence of Air Bubbles
Mohammad Vahid Jamali, Pirazh Khorramshahi, Arvin Tashakori +6
In this paper, we experimentally investigate the statistical distribution of intensity fluctuations for underwater wireless optical channels under different channel conditions, nam…
Performance Analysis of Multi-Hop Underwater Wireless Optical Communication Systems (Extended Version)
Mohammad Vahid Jamali, Ata Chizari, Jawad A. Salehi
In this paper, we evaluate the end-to-end bit error rate (BER) of point-to-point underwater wireless optical communication (UWOC) systems with multi-hop transmission. To do so, we…
Designing A Dimmable OPPM-Based VLC System Under Channel Constraints
Ata Chizari, Mohammad Vahid Jamali, Jawad A. Salehi +1
In this paper, we design a dimming compatible visible light communication (VLC) system in a standard office room according to illumination standards under channel constraints. We u…
On the BER of Multiple-Input Multiple-Output Underwater Wireless Optical Communication Systems
Mohammad Vahid Jamali, Jawad A. Salehi
In this paper we analyze and investigate the bit error rate (BER) performance of multiple-input multiple-output underwater wireless optical communication (MIMO-UWOC) systems. In ad…
Performance Characterization of Relay-Assisted Wireless Optical CDMA Networks in Turbulent Underwater Channel
Mohammad Vahid Jamali, Farhad Akhoundi, Jawad A. Salehi
In this paper, we characterize the performance of relay-assisted underwater wireless optical code division multiple access (OCDMA) networks over turbulent channels. In addition to…
Performance Studies of Underwater Wireless Optical Communication Systems with Spatial Diversity: MIMO Scheme
Mohammad Vahid Jamali, Jawad A. Salehi, Farhad Akhoundi
In this paper, we analytically study the performance of multiple-input multiple-output underwater wireless optical communication (MIMO UWOC) systems with on-off keying (OOK) modula…