Zobrazeno 1 - 10
of 266
pro vyhledávání: '"Hikmet Sari"'
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 4, Pp 413-429 (2023)
Massive multi-input multi-output (MIMO) has been recognized as a key technology for fifth generation (5G) networks. Indeed, it enables to meet the challenging requirements of increased coverage, capacity and massive connectivity. Nevertheless, its pe
Externí odkaz:
https://doaj.org/article/6b9e86d9facd4ab38381377ea09df610
UAV-Assisted Wideband Terahertz Wireless Communications with Time-Delay Phased UPA under Beam Squint
Publikováno v:
Drones, Vol 7, Iss 10, p 608 (2023)
Future Unmanned Aerial Vehicle (UAV)-assisted wireless communication systems are expected to utilize wide bandwidths available at terahertz (THz) frequencies to enhance system throughput. To compensate for the severe path loss in the THz band, it is
Externí odkaz:
https://doaj.org/article/5573226059614a1c83c0b19e58281856
Publikováno v:
IEEE Access, Vol 7, Pp 16281-16290 (2019)
Feature learning has been introduced in the modeling of echo state networks (ESNs). However, the procedure of feature learning is generally accompanied by certain information loss. In this regard, this paper proposes a hybrid neural network model fro
Externí odkaz:
https://doaj.org/article/399ad997172e4b2e8996c8795134878c
Publikováno v:
IEEE Access, Vol 7, Pp 163097-163104 (2019)
Design of the intelligent making system (iMAS) poses a big technical challenge to recognize both printed and handwriting characters from the scanned images. In this paper, we propose an iMAS method based on the attention generative adversarial networ
Externí odkaz:
https://doaj.org/article/93ae22af4dc349e3998f5cbcada51df4
Publikováno v:
IEEE Access, Vol 7, Pp 114631-114638 (2019)
Signal modulation identification (SMI) plays a very important role in orthogonal frequency-division multiplexing (OFDM) systems. Currently, SMI methods are often implemented via feature extraction based on machine learning. However, the traditional m
Externí odkaz:
https://doaj.org/article/ab557184664d45b79e3db0e37aef85ab
Publikováno v:
IEEE Access, Vol 6, Pp 5618-5632 (2018)
Resource allocation (RA) for mobile secondary users is considered one of the most important techniques for designing the next-generation cognitive radio network (CRN). In this paper, effective capacity (EC) is proposed to improve the RA performance f
Externí odkaz:
https://doaj.org/article/af8c21ed30c54a0c97dce21b4cee4ca0
Publikováno v:
IEEE Access, Vol 6, Pp 16795-16805 (2018)
Compressive sensing (CS) is an effective approach for compressive recovery, such as the imaging problems. It aims at recovering sparse signal or image from a small number of under-sampled data by taking advantage of the sparse signal structure. $L_{1
Externí odkaz:
https://doaj.org/article/4678cd871c3e4d809cf34a90b389b5e7
Publikováno v:
IEEE Access, Vol 6, Pp 69850-69859 (2018)
Transmitting multiple independent data streams through the same medium can increase the capacity of line-of-sight-based wireless communication systems. One of the promising approaches is to utilize spatial multiplexing with multiple spatially separat
Externí odkaz:
https://doaj.org/article/f6f8d5ac4e5f4eb181685653ccd180ea
Publikováno v:
IEEE Access, Vol 6, Pp 73561-73571 (2018)
Traditional surveillance systems for observing water levels are often complex, costly, and time-consuming. In this paper, we developed a low-cost unmanned surveillance system consisting of remote measuring stations and a monitoring center. The system
Externí odkaz:
https://doaj.org/article/60552511b40947398043f021618f385a
Publikováno v:
IEEE Access, Vol 5, Pp 17869-17880 (2017)
Nonorthogonal multiple access (NOMA) with successive interference cancellation is considered as one of the most promising schemes in multi-user access wireless networks. Based on the principles of NOMA and full-duplex (FD) communications, this paper
Externí odkaz:
https://doaj.org/article/1592601bdf5440a0b4698c1f4fed8909