15 citations · 25 across the 24 of their papers we have counts for
13 papers · 1 filter
Off-Grid Aware Spatial Covariance Estimation in mmWave Communications
Chethan Kumar Anjinappa, Ali Cafer Gurbuz, Yavuz Yapici +1
This work investigates the problem of spatial covariance matrix estimation in a millimeter-wave (mmWave) hybrid multiple-input multiple-output (MIMO) system with an emphasis on the…
Low-Resolution Limited-Feedback NOMA for mmWave Communications
Yavuz Yapici, Ismail Guvenc, Huaiyu Dai
The spectrum-efficient millimeter-wave (mmWave) communications has recently attracted much attention as a viable solution to spectrum crunch problem. In this work, we propose a nov…
Dynamic Interference Management for UAV-Assisted Wireless Networks
Ali Rahmati, Seyyedali Hosseinalipour, Yavuz Yapici +4
The deployment of unmanned aerial vehicles (UAVs) is proliferating as they are effective, flexible and cost-efficient devices for a variety of applications ranging from natural dis…
Hybrid Precoding for mmWave Massive MIMO with One-Bit DAC
Sung Joon Maeng, Yavuz Yapıcı, Ismail Guvenc +2
Hybrid beamforming is key to achieving energy-efficient 5G wireless networks equipped with massive amount of antennas. Low-resolution data converters bring yet another degree of fr…
Channel Estimation in mmWave Hybrid MIMO System via Off-Grid Dirichlet Kernels
Chethan Kumar Anjinappa, You Zhou, Yavuz Yapici +2
In this paper, we tackle channel estimation in millimeter-wave hybrid multiple-input multiple-output systems by considering off-grid effects. In particular, we assume that spatial…
Off-Grid Aware Channel and Covariance Estimation in mmWave Networks
Chethan Kumar Anjinappa, Ali Cafer Gurbuz, Yavuz Yapici +1
The spectrum scarcity at sub-6 GHz spectrum has made millimeter-wave (mmWave) frequency band a key component of the next-generation wireless networks. While mmWave spectrum offers…
RSS-Based Detection of Drones in the Presence of RF Interferers
Priyanka Sinha, Yavuz Yapici, Ismail Guvenc +2
Drones will have extensive use cases across various commercial, government, and military sectors, ranging from delivery of consumer goods to search and rescue operations. To mainta…
Coverage Enhancement for NLOS mmWave Links Using Passive Reflectors
Wahab Khawaja, Ozgur Ozdemir, Yavuz Yapici +3
The future 5G networks are expected to use millimeter wave (mmWave) frequency bands to take advantage of large unused spectrum. However, due to the high path loss at mmWave frequen…
Impact of 3D Antenna Radiation Patterns on TDOA-Based Wireless Localization of UAVs
Priyanka Sinha, Yavuz Yapici, Ismail Guvenc
Next big commercial applications of drones require to fly the drone beyond the visual line of sight (BVLOS). This inevitable ability to fly BVLOS will also necessitate the ability…
Interference Avoidance in UAV-Assisted Networks: Joint 3D Trajectory Design and Power Allocation
Ali Rahmati, Seyyedali Hosseinalipour, Yavuz Yapici +4
The use of the unmanned aerial vehicle (UAV) has been foreseen as a promising technology for the next generation communication networks. Since there are no regulations for UAVs dep…
NOMA for VLC Downlink Transmission with Random Receiver Orientation
Yavuz Yapici, Ismail Guvenc
Visible light communications (VLC) is an emerging technology with a promise of viable solution to spectrum crunch problem in conventional radio frequency (RF) bands. In this work,…
Energy Efficiency of RSMA and NOMA in Cellular-Connected mmWave UAV Networks
Ali Rahmati, Yavuz Yapıcı, Nadisanka Rupasinghe +3
Cellular-connected unmanned aerial vehicles (UAVs) are recently getting significant attention due to various practical use cases, e.g., surveillance, data gathering, purchase deliv…
SLNR Based Precoding for One-Bit Quantized Massive MIMO in mmWave Communications
Yavuz Yapıcı, Sung Joon Maeng, İsmail Güvenç +2
Massive multiple-input multiple-output (MIMO) is a key technology for 5G wireless communications with a promise of significant capacity increase. The use of low-resolution data con…