Article
Computer Science, Information Systems
Peng Kang, Ziqiang Zhu, Zhijian Lin, Pingping Chen, Yong Li
Summary: In this letter, a scheme combining pulse position modulation (PPM) and permutation index differential chaos shift keying (PI-DCSK) modulation is proposed to improve data rate and performance. The proposed scheme is shown to outperform existing DCSK-based schemes, and its superiority and feasibility are demonstrated in multipath Rayleigh fading channels and typical ultra-wideband channels.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2023)
Article
Computer Science, Information Systems
Xufang Wang, Feng Lin
Summary: This paper proposes a novel intersymbol interference (ISI) cancellation scheme based on wavelet transformation for indoor UWB positioning. The scheme does not require knowledge of the channel and can accurately distinguish and locate the desired signal pulse from the interference pulse. Instead of using the traditional received pulse, a new spike signal is generated using wavelet transformation for detection. The proposed scheme is robust in the case of multiple interference pulses and applicable to any types of UWB pulse waveforms. Both simulation and experimental results demonstrate significantly higher positioning accuracy compared to the original positioning system without ISI cancellation.
IEEE SYSTEMS JOURNAL
(2022)
Article
Computer Science, Information Systems
Bassant Selim, Sami Muhaidat, Paschalis C. Sofotasios, Bayan S. Sharif, Thanos Stouraitis, George K. Karagiannidis, Naofal Aldhahir
Summary: This paper investigates the impact of IQI on the performance of different modulation schemes under multipath fading channels, proposing a comprehensive framework and mathematical expressions for analysis. The study shows that IQI compensation is crucial for ensuring reliable communication, as the effects of IQI on system performance vary and are significant in some cases.
Article
Engineering, Electrical & Electronic
Artem V. V. Medvedev, Yevgeniy S. S. Zhechev, Talgat R. R. Gazizov
Summary: This letter presents the experimental study results for a structure with triple modal reservation before and after failures. Authors used a trapezoidal pulse with total duration of 150 ps as an ultrawideband interference. It was revealed that the maximum voltage at the output of the structure before and after failures changes by no more than 8.18%. The analysis of the N-norms showed that the largest changes in the failure probability determined by the N-1, N-3, and N-5 norms are observed in switching option 3. The failure probability determined by the N-2 norm practically does not change for all switching options. The largest changes in the failure probability determined by the N-4 norm are observed for switching options 2 and 3.
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY
(2023)
Article
Geochemistry & Geophysics
Jiahui Chen, Yang Zhang, Huquan Li, Peilun Wu, Shisheng Guo, Guolong Cui
Summary: This study investigates the problem of ultrawideband (UWB) tomographic imaging for unknown building layouts considering multipath conditions. A delay estimation algorithm is proposed to estimate the direct path delay, and a tomographic projection model is established mapping the relationship between delay and relative permittivity. A modified total variation method is developed for building layout reconstruction, showing significant performance in preserving structure edges. The effectiveness of the algorithm is verified using simulated and real data.
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
(2022)
Article
Automation & Control Systems
Ankush Vashistha, Choi Look Law
Summary: A novel analytical equation is proposed in the article to determine the equivalent time of arrival (E-TOA) for achieving sub-ns resolution with reduced analog-to-digital converter sampling frequency. The equation, different from conventional ones, is sensitive to transmitter and receiver clock drift variations. Experimental validation shows high ranging accuracy can be achieved using the proposed E-TOA technique even with a low sampling rate.
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
(2021)
Article
Computer Science, Information Systems
Muhammad Hanif, Ha H. Nguyen
Summary: This article introduces a novel frequency-shift chirp spread spectrum (FSCSS) system with index modulation (IM), which can achieve much higher data rates than the conventional system. Optimal detection algorithms, both coherently and noncoherently, are presented for the proposed system, along with a low-complexity noncoherent detection algorithm to reduce computational complexity. The results show that the proposed system, while enabling much higher data rates, enjoys similar bit-error performance as that of the conventional FSCSS system.
IEEE INTERNET OF THINGS JOURNAL
(2021)
Article
Computer Science, Information Systems
Laura Flueratoru, Silvan Wehrli, Michele Magno, Elena Simona Lohan, Dragos Niculescu
Summary: This study evaluates the power and energy consumption, distance measurements, and localization performance of two types of UWB physical interfaces, showing that the LRP interface outperforms the HRP interface. Both interfaces achieved ranging and localization errors within the same order of magnitude, with performance depending on the type of NLOS obstruction.
IEEE INTERNET OF THINGS JOURNAL
(2022)
Article
Engineering, Electrical & Electronic
Shoeib Rahmatollahi, Mohammad Taherzadeh-Sani, Frederic Nabki
Summary: This paper describes an IR-UWB TWR system for indoor and harsh environments. In this system, a sync word with UWB impulses and PPM modulation is transmitted from the anchor and detected by the tag using a continuous-time sync detection mechanism. The tag then reflects a similar sync-word back to the anchor, and the ToF between the transmitted and received sync is calculated to measure the distance. The proposed system reduces sync detection and reply time by using a clock-less active reflector, and mitigates interference by combining OOK and PPM.
IEEE SENSORS JOURNAL
(2023)
Article
Computer Science, Information Systems
Muhammad Hanif, Ha H. Nguyen
Summary: This article proposes a new modulation scheme called SSK-LoRa by adding a set of new orthonormal basis functions to the existing LoRa system to increase achievable data rate. Low-complexity optimum coherent and noncoherent detection algorithms are developed for SSK-LoRa modulation, with closed-form analytical and tight approximations for error probabilities in Rayleigh fading environment. The SSK-LoRa scheme is shown to outperform state-of-the-art LoRa-based modulation schemes.
IEEE INTERNET OF THINGS JOURNAL
(2021)
Article
Computer Science, Information Systems
Mehmet Sukru Kuran, H. Birkan Yilmaz, Ilker Demirkol, Nariman Farsad, Andrea Goldsmith
Summary: This survey paper focuses on modulation aspects of molecular communication, presenting recent advancements in modulation and demodulation schemes for molecular communication via diffusion. Different modulation types are compared, and key metrics for evaluating performance are discussed. The tutorial concludes with a discussion of key open issues and future research directions.
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
(2021)
Article
Computer Science, Information Systems
Keyvan Aghababaiyan, Hamed Kebriaei, Vahid Shah-Mansouri, Behrouz Maham, Dusit Niyato
Summary: The novel concept of Internet of Nano Things (IoNT) and Internet of Bio-Nano Things (IoBNT) have opened up new possibilities for IoT applications by connecting nanomachines and biological entities seamlessly. Molecular communication, inspired by biological systems, plays a crucial role in these nanonetworks. By releasing molecules in specific directions, the performance of molecular communication systems can be enhanced.
IEEE INTERNET OF THINGS JOURNAL
(2022)
Article
Engineering, Electrical & Electronic
Sanjeev Sharma, Kuntal Deka, Manish Mandloi
Summary: The letter proposes a deep learning noncoherent UWB receiver to overcome the impact of various interferences, with numerical results showing its superiority over conventional methods in terms of accurate data symbol detection in interference scenarios.
IEEE SENSORS LETTERS
(2021)
Article
Computer Science, Information Systems
Jae-Mo Kang, Dong-Woo Lim, Kyu-Min Kang
Summary: This article investigates the problem of preamble detection for LoRa modulation and analyzes its performance. The optimal preamble detector is derived and the best preamble is designed to maximize the detection probability and achieve a target false alarm rate. Two special scenarios, namely a large spreading factor and uncorrelated noise, are explored to reduce computational complexity and gain more insights. The analysis is extended to the case with phase offset. The study reveals the limitations of existing preamble detection methods and provides engineering insights and theoretical performance limits for preamble detection with LoRa modulation.
IEEE INTERNET OF THINGS JOURNAL
(2022)
Article
Computer Science, Information Systems
Jiaojiao Liu, Yuanmei Yan, Hua Yu, Biyun Ma
Summary: This letter proposes a method to estimate the performance of LoRa in heavy multipath channels using approximations. By analyzing the interference caused by path overlapping quantitatively, the authors derive simple approximations for bit error rate in both coherent and non-coherent detections. They verify their expressions through Monte Carlo simulations with a realistic indoor industrial scenario model. Performance comparison results demonstrate that a high spreading factor can lead to severe multipath overlap and reduce the bit error rate.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2023)
Article
Telecommunications
Haji M. Furqan, Jehad M. Hamamreh, Huseyin Arslan
Summary: Novel algorithms for secret key generation from the wireless channel in multi-carrier systems are proposed to ensure confidentiality and authentication in wireless communication systems. The proposed algorithms generate random secret bits not only from the magnitudes of OFDM subchannels, but also from the indices/positions of the subchannels corresponding to highest gains. These algorithms enhance overall key rates by providing additional dimensions for secret key generation.
IEEE COMMUNICATIONS LETTERS
(2021)
Article
Engineering, Electrical & Electronic
Salah Eddine Zegrar, Haji M. Furqan, Huseyin Arslan
Summary: Novel physical layer security schemes are proposed for securing data and pilots in MIMO systems, utilizing adaptive and flexible algorithms to protect both simultaneously. By exploiting minimum-phase all-pass channel decomposition, the proposed algorithms provide security without compromising legitimate user performance. Analysis on data security and pilot security demonstrate the effectiveness of the algorithms in enhancing communication secrecy.
IEEE TRANSACTIONS ON COMMUNICATIONS
(2022)
Article
Engineering, Electrical & Electronic
Mehmet Ali Aygul, Mahmoud Nazzal, Huseyin Arslan
Summary: This paper proposes a method to improve channel estimation quality in millimeter wave massive multiple input multiple output systems using lens antenna arrays as an effective beam selection mechanism. By simultaneously using orthogonal matching pursuit and support detection algorithms, the proposed method outperforms conventional algorithms.
SIGNAL IMAGE AND VIDEO PROCESSING
(2022)
Article
Engineering, Electrical & Electronic
Musab Alayasra, Huseyin Arslan
Summary: This paper emphasizes the importance of intelligent reflecting surfaces (IRS) as controlled scattering clusters, proposing a new channel model and investigating the role of IRS in beam-space. A segment-activation scheme is introduced to maximize received signal power.
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
(2022)
Article
Computer Science, Information Systems
Armed Tusha, Saud Althunibat, Mazen O. Hasna, Khalid Qaraqe, Huseyin Arslan
Summary: This letter examines the potential of multi-user diversity for OTFS systems considering practical scenarios. A novel scheduling algorithm is proposed to enhance channel diversity by assigning the available resources to the UE with the largest number of channel taps. Mathematical analysis and simulation results demonstrate that the proposed technique outperforms the existing scheme in terms of system bit error rate.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2022)
Article
Computer Science, Information Systems
Salah Eddine Zegrar, Huseyin Arslan
Summary: This letter proposes a novel CCP-OFDM transceiver design enabling low-complexity frequency-domain channel estimation and equalization. Simulations under frequency selective channels have validated the effectiveness of the proposed scheme in terms of computational complexity, normalized mean squared error (NMSE), and bit error rate (BER).
IEEE WIRELESS COMMUNICATIONS LETTERS
(2022)
Article
Telecommunications
Shaima Abidrabbu, Abdelrahman Abushattal, Huseyin Arslan
Summary: This paper investigates the Physical Layer Security (PLS) problem against internal Eavesdropper (Eve) in Cognitive Radio with Nonorthogonal Multiple Access (CR-NOMA) under the limitations of joint delay and confidentiality rate. The proposed scheme includes an initial power allocation based on interference threshold and a multi-objective problem formulated using Stackelberg game modeling. The simulation results demonstrate the superiority of the proposed scheme in terms of average utility function, spectral efficiency, fairness index, and reliability compared to the conventional scheme.
IEEE TRANSACTIONS ON COGNITIVE COMMUNICATIONS AND NETWORKING
(2023)
Article
Engineering, Electrical & Electronic
Mostafa Ibrahim, Huseyin Arslan, Hakan Ali Cirpan, Sabit Ekin
Summary: This paper proposes a novel time-frequency warped waveform composed of asymmetric raised cosine pulses for short symbols, mMTC, and IoT applications. The waveform has low power tails in the time domain, better performance in the presence of delay spread and time offsets. The time-axis warping unitary transform is applied to control waveform occupancy and compensate for high roll-off factor pulses at symbol edges. Comparisons with conventional ZT-DFT-s-OFDM and CP DFT-s-OFDM schemes are presented in the simulations section.
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
(2023)
Article
Engineering, Electrical & Electronic
Jun Li, Shuping Dang, Yu Huang, Pengxu Chen, Xiaomin Qi, Miaowen Wen, Huseyin Arslan
Summary: In this paper, a composite multiple-mode orthogonal frequency division multiplexing with index modulation (C-MM-OFDM-IM) scheme is proposed to increase the spectral efficiency (SE) of OFDM-IM systems by extending the indexing to the energy and constellation domains. A variant IM scheme named C-MM-OFDM-IM-II is also proposed to further increase the SE of C-MM-OFDM-IM. Upper-bounded bit error rate (BER) and lower-bounded achievable rate are both derived to evaluate the performance of C-MM-OFDM-IM(-II).
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
(2023)
Article
Computer Science, Information Systems
Salah Eddine Zegrar, Huseyin Arslan
Summary: This letter introduces a novel OTFS structure by modifying the FCP structure in OTFS modulation to enhance system performance at the receiver. The proposed approach utilizes the FCP structure in the delay-Doppler domain to decode information in the CP block instead of discarding it. Simulation results validate the reduction in channel estimation overhead and improved signal-to-noise ratio (SNR) of the received signal.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2023)
Article
Computer Science, Information Systems
Muhammad Sohaib J. Solaija, Salah Eddine Zegrar, Huseyin Arslan
Summary: Key generation for secure communication is challenging in high-mobility scenarios due to the low coherence time. This is further exacerbated in frequency-division duplex systems due to the non-reciprocal wireless channel in uplink and downlink. The current work leverages the symplectic Fourier transform to convert fast-varying time-frequency domain signals to slow-varying delay-Doppler (DD) domain and utilizes the wireless channel representation in the DD domain to generate shared keys. The proposed approach is evaluated in terms of key generation and mismatch rates considering correlated eavesdropper, as well as the various randomness criteria provided by the National Institute of Standards and Technology.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2023)
Article
Computer Science, Information Systems
Hanadi Salman, Huseyin Arslan
Summary: This article introduces a scheme that provides highly reliable and secure algorithm in the Internet of Things. The scheme adopts asymmetric multi-level physical layer security technology, which provides security protection for legitimate links and simplifies receiver design. Numerical results show that the scheme effectively confounds eavesdroppers without compromising the bit error rate of the intended receiver.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2023)
Article
Computer Science, Information Systems
Ahmet Enes Duranay, Ebubekir Memisoglu, Basak Ozbakis, Huseyin Arslan
Summary: This paper proposes a phase rotation PAPR reduction approach for mixed-numerology OFDM in order to address the high PAPR disadvantage of OFDM. The proposed approach eliminates the need for additional IFFT and side information overhead, and exploits the mixed-numerology transmitter structure to provide three novel approaches for PAPR reduction.
Article
Computer Science, Information Systems
Liza Afeef, Gokhan Mumcu, Huseyin Arslan
Summary: This paper proposes a sub-grouped LAS-MIMO architecture and a hybrid precoding algorithm to improve the energy efficiency and spectral efficiency of wireless networks. The LAS structure is divided into sub-groups to serve multiple users with different requirements, and an optimization problem is formulated to maximize the spectral efficiency. The proposed precoding algorithm effectively controls the architecture and achieves high efficiency in terms of both spectral efficiency and energy efficiency.
Article
Engineering, Electrical & Electronic
Mehmet Mert Sahin, Huseyin Arslan, Kwang-Cheng Chen
Summary: This paper introduces the formation of a smart radio environment for efficient utilization of radio spectrum in any given geographical area, utilizing reconfigurable intelligent surface (RIS) and ambient backscatter communication (ABC) technologies. The use of multiple RISs to enhance secondary usage capacity, controlling electromagnetic energy in the spatial domain, and the introduction of repositionable dynamic RIS for changing shadowing effects are explored. Additionally, the use of multiple coordinated ABCs to protect the primary usage region against radiation from secondary uses is investigated. By merging these technologies, high spectral efficient wireless systems can be achieved in a smart radio environment.
IEEE OPEN JOURNAL OF THE COMMUNICATIONS SOCIETY
(2022)
