161 citations · 295 across the 35 of their papers we have counts for
18 papers · 1 filter
RIS-Assisted OTFS Communications: Phase Configuration via Received Energy Maximization
Mohamad H. Dinan, Arman Farhang
In this paper, we explore the integration of two revolutionary technologies, reconfigurable intelligent surfaces (RISs) and orthogonal time frequency space (OTFS) modulation, to en…
Joint Channel Estimation and Equalization in Massive MIMO Using a Single Pilot Subcarrier
Danilo Lelin Li, Arman Farhang
The focus of this letter is on the reduction of the large pilot overhead in orthogonal frequency division multiplexing (OFDM) based massive multiple-input multiple-output (MIMO) sy…
OTFS Without CP in Massive MIMO: Breaking Doppler Limitations with TR-MRC and Windowing
Danilo Lelin Li, Arman Farhang
Orthogonal time frequency space (OTFS) modulation has recently emerged as an effective waveform to tackle the linear time-varying channels. In OTFS literature, approximately consta…
Analysis of Discrete-Time MIMO OFDM-Based Orthogonal Time Frequency Space Modulation
Ahmad RezazadehReyhani, Arman Farhang, Mingyue Ji +2
Orthogonal Time Frequency Space (OTFS) is a novel modulation scheme designed in the Doppler-delay domain to fully exploit time and frequency diversity of general time-varying chann…
Low Complexity Modem Structure for OFDM-based Orthogonal Time Frequency Space Modulation
Arman Farhang, Ahmad RezazadehReyhani, Linda E. Doyle +1
Orthogonal time frequency space (OTFS) modulation is a two-dimensional signaling technique that has recently emerged in the literature to tackle the time-varying (TV) wireless chan…
Filter Bank Multicarrier in Massive MIMO: Analysis and Channel Equalization
Amir Aminjavaheri, Arman Farhang, Behrouz Farhang-Boroujeny
We perform an asymptotic study of the performance of filter bank multicarrier (FBMC) in the context of massive multi-input multi-output (MIMO). We show that the effects of channel…
5G Wireless and Wired Convergence in a Passive Optical Network using UF-OFDM and GFDM
Colm Browning, Arman Farhang, Arsalan Saljoghei +4
The provision of both wireless and wired services in the optical access domain will be an important function for future passive optical networks (PON). With the emergence of 5th ge…
Prototype Filter Design for FBMC in Massive MIMO Channels
Amir Aminjavaheri, Arman Farhang, Linda E. Doyle +1
We perform an asymptotic study on the performance of filter bank multicarrier (FBMC) in the context of massive multi-input multi-output (MIMO). We show that the signal-to-interfere…
OFDM Without CP in Massive MIMO
Amir Aminjavaheri, Arman Farhang, Ahmad RezazadehReyhani +2
We study the possibility of removing the cyclic prefix (CP) overhead from orthogonal frequency division multiplexing (OFDM) in massive multiple-input multiple-output (MIMO) systems…
Time Reversal with Post-Equalization for OFDM without CP in Massive MIMO
Arman Farhang, Amir Aminjavaheri, Ahmad RezazadehReyhani +2
This paper studies the possibility of eliminating the redundant cyclic prefix (CP) of orthogonal frequency division multiplexing (OFDM) in massive multiple-input multiple-output sy…
5G Waveforms for Overlay D2D Communications: Effects of Time-Frequency Misalignment
Quentin Bodinier, Arman Farhang, Faouzi Bader +3
This paper analyses a scenario where a Device-To-Device (D2D) pair coexists with an Orthogonal Frequency Division Multiplexing (OFDM) based incumbent network. D2D transmitter commu…
Impact of Timing and Frequency Offsets on Multicarrier Waveform Candidates for 5G
Amir Aminjavaheri, Arman Farhang, Ahmad RezazadehReyhani +1
This paper presents a study of the candidate waveforms for 5G when they are subject to timing and carrier frequency offset. These waveforms are: orthogonal frequency division multi…
Frequency Spreading Equalization in Multicarrier Massive MIMO
Amir Aminjavaheri, Arman Farhang, Nicola Marchetti +2
Application of filter bank multicarrier (FBMC) as an effective method for signaling over massive MIMO channels has been recently proposed. This paper further expands the applicatio…
Low Complexity Transceiver Design for GFDM
Arman Farhang, Nicola Marchetti, Linda E. Doyle
Due to its attractive properties, generalized frequency division multiplexing (GFDM) is recently being discussed as a candidate waveform for the fifth generation of wireless commun…
Massive MIMO and Waveform Design for 5th Generation Wireless Communication Systems
Arman Farhang, Nicola Marchetti, Fabricio Figueiredo +1
This article reviews existing related work and identifies the main challenges in the key 5G area at the intersection of waveform design and large-scale multiple antenna systems, al…
Pilot Decontamination in CMT-based Massive MIMO Networks
Arman Farhang, Amir Aminjavaheri, Nicola Marchetti +2
Pilot contamination problem in massive MIMO networks operating in time-division duplex (TDD) mode can limit their expected capacity to a great extent. This paper addresses this pro…
Interference Localization for Uplink OFDMA Systems in Presence of CFOs
Arman Farhang, Arslan Javaid Majid, Nicola Marchetti +2
Multiple carrier frequency offsets (CFOs) present in the uplink of orthogonal frequency division multiple access (OFDMA) systems adversely affect subcarrier orthogonality and impos…
Filter Bank Multicarrier for Massive MIMO
Arman Farhang, Nicola Marchetti, Linda E. Doyle +1
This paper introduces filter bank multicarrier (FBMC) as a potential candidate in the application of massive MIMO communication. It also points out the advantages of FBMC over OFDM…