Browsing by Author "Qaraqe, Khalid"
Now showing items 1-13 of 13
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Anatomical region-specific in vivo wireless communication channel characterization
Demir, Ali Fatih; Abbasi, Qammer H.; Ankaralı, Zekeriyya Esat; Alomainy, Akram; Qaraqe, Khalid; Serpedin, Erchin; Arslan, Hüseyin (IEEE-Inst Electrical Electronics Engineers Inc, 2017)In vivo wireless body area networks and their associated technologies are shaping the future of health-care by providing continuous health monitoring and noninvasive surgical capabilities, in addition to remote diagnostic ... -
Clipping noise mitigation using partial transmit sequence for optical OFDM systems
Esat Ankaralı, Zekeriyya; Hussain, Syed Imtiaz; Abdallah, Mohamed; Qaraqe, Khalid; Arslan, Hüseyin; Haas, Harald (Institute of Electrical and Electronics Engineers Inc., 2014)Orthogonal frequency division multiplexing (OFDM) is a promising technology to achieve higher data rates in optical wireless communication (OWC) systems. Unlike single carrier techniques, OFDM can easily handle inter-symbol ... -
A comparative review on the wireless implantable medical devices privacy and security
Ankaralı, Zekeriyya Esat; Abbasi, Qammer Hussain; Demir, A. Fatih; Serpedin, Erchin; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers, 2014)Nowadays wireless communication is playing a vital role in implantable medical devices (IMDs) on health-care applications. It has many advantages in remote health monitoring, treatment and prediction for critical cases. ... -
Experimental characterization of in vivo radio channel at MICS and ISM Bands
Abdelaziz, Aya; Abbasi, Qammer Hussain; Demir, A. Fatih; Qaraqe, Khalid; Serpedin, Erchin; Arslan, Hüseyin (Electromagnetics Academy, 2015)This paper presents an experimental study for the propagation losses and wave attenuation inside human body for implanted antenna at different body organs. The experimental study discusses the commonly used frequency bands: ... -
Exploiting user diversity in OTFS transmission for beyond 5G wireless systems
Tusha, Armed; Althunibat, Saud; Hasna, Mazen O.; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Orthogonal time frequency space (OTFS) modulation is a recent technology that offers a significant advantage on link reliability due to its strong delay-Doppler resilience. In classical cellular technology, overall system ... -
In vivo communications: Steps toward the next generation of implantable devices
Demir, Ali Fatih; Ankaralı, Zekeriyya Esat; Abbasi, Qammer H.; Liu, Yang; Qaraqe, Khalid; Serpedin, Erchin; Arslan, Hüseyin; Gitlin, Richard D. (IEEE-Inst Electrical Electronics Engineers Inc, 2016)In vivo wireless medical devices have the potential to play a vital role in future healthcare technologies by improving the quality of human life. In order to fully exploit the capabilities of such devices, it is necessary ... -
In vivo wireless channel modeling
Demir, Ali Fatih; Ankaralı, Zekeriyya Esat; Liu, Yang; Abbasi, Qammer Hussain; Qaraqe, Khalid; Serpedin, Erchin; Arslan, Hüseyin; Gitlin, Richard (Institution of Engineering and Technology, 2016)Technological advances in biomedical engineering have significantly improved the quality of life and increased the life expectancy of many people. In recent years, there has been increased interest inwireless body area ... -
Index modulation-aided IQ imbalance compensator for OTFS communications systems
Tusha, Armed; Dogan Tusha, Seda; Althunibat, Saud; Başar, Ertuğrul; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Design of simple transceiver architectures is inevitable in order to provide low computational complexity, low power consumption and affordable cost in beyond 5G (B5G) wireless systems, but it results in hardware impairments ... -
Intelligent spectrum occupancy prediction for realistic measurements: GRU based approach
Tusha, Armed; Kaplan, Batuhan; Çırpan, Hakan Ali; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2022)Cognitive radio (CR) technology has always been a research hotspot in the wireless communications field as it has the potential to significantly improve system capacity at the cost of increased processing time and power ... -
Inter-numerology interference in OFDM-IM systems
Doğan Tusha, Seda; Tusha, Armed; Başar, Ertuğrul; Althunibat, Saud; Qaraqe, Khalid; Arslan, Hüseyin (Wiley, 2021)In 5G and beyond communication systems, distinct numerologies can coexist to serve diverse requirements for users and applications. However, the inter-numerology interference (INI) is a main challenge that significantly ... -
Joint subcarrier and antenna state selection for cognitive heterogeneous networks with reconfigurable antennas
Yılmaz, Mustafa Harun; Abdallah, Mohamed; El-Sallabi, Hassan; Chamberland, Jean-Francois; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers, 2015)Reconfigurable antennas (RA) offer an emerging technology that allows wireless devices to alter their antenna states determined by different radiation patterns to maximize received signal strength. In this paper, we consider ... -
Performance analysis of OTFS under in-phase and quadrature imbalance at transmitter
Tusha, Armed; Doğan Tusha, Seda; Yılmaz, Ferkan; Althunibat, Saud; Qaraqe, Khalid; Arslan, Hüseyin (IEEE-Institute of Electrical and Electronics Engineers Inc., 2021)The influence of in-phase and quadrature (IQ) imbalance on the performance of orthogonal time frequency space (OTFS) transmission is investigated in this work. OTFS is a recent two-dimensional transmission scheme with ... -
Physical effect of in-phase and quadrature imbalance in delay-doppler domain
Tusha, Armed; Doğan Tusha, Seda; Yılmaz, Ferkan; Althunibat, Saud; Qaraqe, Khalid; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2021)Orthogonal time frequency space (OTFS) technique is a recent two-dimensional (2-D) modulation aiming to exploit both time and frequency selectivity of doubly dispersive wireless channel, which significantly affects the ...
