33 citations · 109 across the 20 of their papers we have counts for
30 papers
Filtered Multi-Tone Spread Spectrum with Overlapping Subbands
Brian Nelson, Hussein Moradi, Behrouz Farhang-Boroujeny
A new form of the filter bank multi-carrier spread spectrum (FBMC-SS) waveform is presented. This new waveform modifies the filtered multi-tone spread spectrum (FMT-SS) system, and…
Theoretical Analysis of Multi-coding with Arbitrary Correlations Among the Codes
Brian Nelson, Behrouz Farhang-Boroujeny
The use of non-orthogonal signals has several benefits over orthogonal signals in multi-coded communications. We provide a novel, theoretical study of non-orthogonal signaling to e…
Ultra-Wideband Communications: Interference Challenges and Solutions
Brian Nelson, Hussein Moradi, Behrouz Farhang-Boroujeny
The idea of ultra-wideband (UWB) communications for short ranges (up to a few tens of meters) has been around for nearly three decades. However, despite significant efforts by the…
Filter-Banks for Ultra-Wideband for Communications, Sensing, and Localization
Brian Nelson, Hussein Moradi, Behrouz Farhang-Boroujeny
Recently, filter-bank multicarrier spread spectrum (FBMC-SS) has been proposed as a candidate waveform for ultra-wideband (UWB) communications, sensing, and localization. It has be…
Downlink Transmission in FBMC-based Massive MIMO with Co-located and Distributed Antennas
Hamed Hosseiny, Arman Farhang, Behrouz Farhang-Boroujeny
This paper introduces a practical precoding method for the downlink of Filter Bank Multicarrier-based (FBMC-based) massive multiple-input multiple-output (MIMO) systems. The propos…
Resource Allocation for Single Carrier Massive MIMO Systems
Brent A. Kenney, Arslan J. Majid, Hussein Moradi +1
Resource allocation in orthogonal frequency division multiplexing (OFDM) systems is performed through allocating blocks of subcarriers to each user. Even though OFDM is the primary…
Downlink Precoding for FBMC-based Massive MIMO with Imperfect Channel Reciprocity
Hamed Hosseiny, Arman Farhang, Behrouz Farhang-Boroujeny
In this paper, a practical precoding method for the downlink of filter bank multicarrier-based (FBMC-based) massive multiple-input multiple-output (MIMO) is developed. The proposed…
FBMC Receiver Design and Analysis for Medium and Large Scale Antenna Systems
Hamed Hosseiny, Arman Farhang, Behrouz Farhang-Boroujeny
In this paper, we design receivers for filter bank multicarrier-based (FBMC-based) massive MIMO considering practical aspects such as channel estimation and equalization. In partic…
Efficient Precoding for Single Carrier Modulation in Multi-User Massive MIMO Networks
Brent A. Kenney, Arslan J. Majid, Hussein Moradi +1
By processing in the frequency domain (FD), massive MIMO systems can approach the theoretical per-user capacity using a single carrier modulation (SCM) waveform with a cyclic prefi…
Frequency Domain Multi-user Detection for Single Carrier Modulation with Cyclic Prefix
Brent A. Kenney, Arslan J. Majid, Hussein Moradi +1
Frequency domain (FD) multi-user detection (MUD) has been shown to be an effective means of approaching the theoretical per-user capacity for single carrier modulation (SCM) scheme…
Multi-user Capacity of Cyclic Prefix Direct Sequence Spread Spectrum with Linear Detection and Precoding
Brent A. Kenney, Arslan J. Majid, Hussein Moradi +1
Cyclic Prefix Direct Sequence Spread Spectrum (CP-DSSS) is a promising solution for futuristic 6G ultra-reliable low latency communications (URLLC) and massive machine type communi…
Cyclic Prefix Direct Sequence Spread Spectrum Capacity Analysis
Brent A. Kenney, Stephen N. Jenkins, Arslan J. Majid +2
Cyclic Prefix Direct Sequence Spread Spectrum (CP-DSSS) is a novel waveform that is proposed as a solution to massive machine type communications (mMTC) for 5G and beyond. This pap…
Spectrally Efficient Pilot Structure and Channel Estimation for Multiuser FBMC Systems
Hamed Hosseiny, Arman Farhang, Behrouz Farhang-Boroujeny
In this paper, we consider channel estimation problem in the uplink of filter bank multicarrier (FBMC) systems. We propose a pilot structure and a joint multiuser channel estimatio…
Underlay Control Signaling for Ultra-Reliable Low-Latency IoT Communications
Amir Aminjavaheri, Ahmad RezazadehReyhani, Ramon Khalona +2
Future mobile networks not only envision enhancing the traditional link quality and data rates of mobile broad band (MBB) links, but also development of new control channels to mee…
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…
Achieving Near MAP Performance with an Excited Markov Chain Monte Carlo MIMO Detector
Jonathan C. Hedstrom, Chung Him, Yuen +2
We introduce a revised derivation of the bitwise Markov Chain Monte Carlo (MCMC) multiple-input multiple-output (MIMO) detector. The new approach resolves the previously reported h…
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…
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…
Improving Bandwidth Efficiency of FBMC-OQAM Through Virtual Symbols
Daiming Qu, Fang Wang, Tao Jiang +1
Filter bank multicarrier (FBMC) systems that are based on offset quadrature amplitude modulation (OQAM), namely, FBMC-OQAM, have been criticized for their inefficiency in the use o…
Asynchronous Performance of Circularly Pulse-Shaped Waveforms for 5G
Ahmad RezazadehReyhani, Behrouz Farhang-Boroujeny
The fifth generation of wireless networks (5G) necessitates the use of waveforms with loose constraints on synchronization in multiuser scenarios. Also, carrier aggregation, as a w…
Design, Construction and Operation of a Low-Power, Autonomous Radio-Frequency Data-Acquisition Station for the TARA Experiment
S. Kunwar, R. Abbasi, C. Allen +19
Employing a 40-kW radio-frequency transmitter just west of Delta, UT, and operating at 54.1 MHz, the TARA (Telescope Array RAdar) experiment seeks radar detection of extensive air…