47 citations · 178 across the 34 of their papers we have counts for
27 papers · 1 filter
Two-layer Coded Channel Access with Collision Resolution: Design and Analysis
MohammadReza Ebrahimi, Farshad Lahouti, Victoria Kostina
We propose a two-layer coding architecture for communication of multiple users over a shared slotted medium enabling joint collision resolution and decoding. Each user first encode…
Analysis of Statistical QoS in Half Duplex and Full Duplex Dense Heterogeneous Cellular Networks
Alireza Sadeghi, Michele Luvisotto, Farshad Lahouti +1
Statistical QoS provisioning as an important performance metric in analyzing next generation mobile cellular network, aka 5G, is investigated. In this context, by quantifying the p…
RCFD: A Frequency Based Channel Access Scheme for Full Duplex Wireless Networks
Michele Luvisotto, Alireza Sadeghi, Farshad Lahouti +2
Recently, several working implementations of in--band full--duplex wireless systems have been presented, where the same node can transmit and receive simultaneously in the same fre…
Analysis of Key Generation Rate from Wireless Channel in In-Band Full-Duplex Communications
Alireza Sadeghi, Michele Zorzi, Farshad Lahouti
In this paper, the impact of in-band full-duplex (IBFD) wireless communications on secret key generation via physical layer channel state information is investigated. A key generat…
Statistical QoS Analysis of Full Duplex and Half Duplex Heterogeneous Cellular Networks
Alireza Sadeghi, Michele Luvisotto, Farshad Lahouti +2
In this paper, statistical Quality of Service provisioning in next generation heterogeneous mobile cellular networks is investigated. To this aim, any active entity of the cellular…
Abnormality Detection in Correlated Gaussian Molecular Nano-Networks: Design and Analysis
Siavash Ghavami, Farshad Lahouti
A nano abnormality detection scheme (NADS) in molecular nano-networks is studied. This is motivated by the fact that early detection of diseases such as cancer play a crucial role…
Information Rates of ASK-Based Molecular Communication in Fluid Media
Siavash Ghavami, Raviraj Adve, Farshad Lahouti
This paper studies the capacity of molecular communications in fluid media, where the information is encoded in the number of transmitted molecules in a time-slot (amplitude shift…
Bounds on the Capacity of ASK Molecular Communication Channels with ISI
Siavash Ghavami, Raviraj Adve, Farshad Lahouti
There are now several works on the use of the additive inverse Gaussian noise (AIGN) model for the random transit time in molecular communication~(MC) channels. The randomness inva…
Degrees of Freedom for Instantaneous-Relay Aided Interference Channel: Bounds and Achievable Schemes
Amin Azari, Farshad Lahouti, Tobias Weber
The K-user flat fading MIMO interference channel with J instantaneous relays (KICJR) is considered. In the KICJR, the effective channel between sources and destinations including t…
Power Allocation in Multi-hop OFDM Transmission Systems with Amplify-and-Forward Relaying: A Unified Approach
Amin Azari, Jalil S. Harsini, Farshad Lahouti
In this paper a unified approach for power allocation (PA) problem in multi-hop orthogonal frequency division multiplexing (OFDM) amplify-and-forward (AF) relaying systems has been…
Delay-Distortion-Power Trade Offs in Quasi-Stationary Source Transmission over Block Fading Channels
Roghayeh Joda, Farshad Lahouti, Elza Erkip
This paper investigates delay-distortion-power trade offs in transmission of quasi-stationary sources over block fading channels by studying encoder and decoder buffering technique…
Design of LDPC Codes Robust to Noisy Message-Passing Decoding
Alla Tarighati, Hamed Farhadi, Farshad Lahouti
We address noisy message-passing decoding of lowdensity parity-check (LDPC) codes over additive white Gaussian noise channels. Message-passing decoders in which certain processing…
A Matrix Completion Approach to Linear Index Coding Problem
Homa Esfahanizadeh, Farshad Lahouti, Babak Hassibi
In this paper, a general algorithm is proposed for rate analysis and code design of linear index coding problems. Specifically a solution for minimum rank matrix completion problem…
On Capacity and Capacity per Unit Cost of Gaussian Multiple Access Channel with Peak Power Constraints
Siavash Ghavami, Farshad Lahouti
This paper investigates the capacity and capacity per unit cost of Gaussian multiple access-channel (GMAC) with peak power constraints. We first devise an approach based on Blahut-…
Performance Analysis of Ad-Hoc Routing in Clustered Multi-hop Wireless Networks
Amin Azari, Jalil Seifali Harsini, Farshad Lahouti
This paper analyzes the performance of clustered decode-and-forward multi-hop relaying (CDFMR) wireless Rayleigh fading networks, and sheds light on their design principles for ene…
Synchrony in Neuronal Communications: An Energy Efficient Scheme
Siavash Ghavami, Vahid Rahmati, Farshad Lahouti +1
We are interested in understanding the neural correlates of attentional processes using first principles. Here we apply a recently developed first principles approach that uses tra…
Modeling and Analysis of Abnormality Detection in Biomolecular Nano-Networks
Siavash Ghavami, Farshad Lahouti, Ali Masoudi-Nejad
A scheme for detection of abnormality in molecular nano-networks is proposed. This is motivated by the fact that early diagnosis, classification and detection of diseases such as c…
Delay-limited Source and Channel Coding of Quasi-Stationary Sources over Block Fading Channels: Design and Scaling Laws
Roghayeh Joda, Farshad Lahouti
In this paper, delay-limited transmission of quasi-stationary sources over block fading channels are considered. Considering distortion outage probability as the performance measur…
Channel Optimized Distributed Multiple Description Coding
Mehrdad Valipour, Farshad Lahouti
In this paper, channel optimized distributed multiple description vector quantization (CDMD) schemes are presented for distributed source coding in symmetric and asymmetric setting…
Network Code Design for Orthogonal Two-hop Network with Broadcasting Relay: A Joint Source-Channel-Network Coding Approach
Roghayeh Joda, Farshad Lahouti
This paper addresses network code design for robust transmission of sources over an orthogonal two-hop wireless network with a broadcasting relay. The network consists of multiple…
Spectral Efficiency Optimization for an Interfering Cognitive Radio with Adaptive Modulation and Coding
Mehrdad Taki, Farshad Lahouti
In this paper, we consider a primary and a cognitive user transmitting over a wireless fading interference channel. The primary user transmits with a constant power and utilizes an…
Spectral Efficiency Optimized Adaptive Transmission for Cognitive Radios in an Interference Channel
Mehrdad Taki, Farshad Lahouti
In this paper, we consider a primary and a cognitive user transmitting over a wireless fading interference channel. The primary user transmits with a constant power and utilizes an…
Delay Performance Optimization for Multiuser Diversity Systems with Bursty-Traffic and Heterogeneous Wireless Links
Jalil Seifali Harsini, Farshad Lahouti
This paper presents a cross-layer approach for optimizing the delay performance of a multiuser diversity system with heterogeneous block-fading channels and a delay-sensitive burst…
Joint Adaptive Modulation Coding and Cooperative ARQ over Relay Channels-Applications to Land Mobile Satellite Communications
Morteza Mardani, Jalil S. Harsini, Farshad Lahouti +1
In a cooperative relay network, a relay node (R) facilitates data transmission to the destination node (D), when the latter is unable to decode the source node (S) data correctly.…