Zobrazeno 1 - 10
of 141
pro vyhledávání: '"Fengkui Gong"'
Publikováno v:
IEEE Access, Vol 9, Pp 34708-34721 (2021)
Land mobile satellite communication and physical layer security are considered as the promising paradigms in beyond 5G networks. In this paper, we establish the multi-relay hybrid satellite-terrestrial systems (HSTSs) with artificial noise (AN) to in
Externí odkaz:
https://doaj.org/article/e9f4cc74613e4d14ae407961184fdca8
Publikováno v:
IEEE Access, Vol 8, Pp 68866-68873 (2020)
Faster-than-Nyquist (FTN) is a promising paradigm to improve bandwidth utilization at the expense of additional intersymbol interference (ISI). In this paper, we apply state-of-the-art deep learning (DL) technology into receiver design for FTN signal
Externí odkaz:
https://doaj.org/article/cf7b7146ee5141b4bd871d8870861d1f
Publikováno v:
IEEE Access, Vol 8, Pp 14809-14819 (2020)
Traditional DOA estimation algorithms have poor adaptability to antenna errors. To enhance the direction of arrival (DOA) estimation performance for moving target echo signals in the environment of multiple type illuminators of opportunity, a DOA est
Externí odkaz:
https://doaj.org/article/41c5dc730cbc48358325f0d9dc16f199
Publikováno v:
IEEE Access, Vol 7, Pp 16032-16042 (2019)
In this paper, the low-performance problem of two-dimensional (2-D) direction of arrival (DOA) estimation with non-Gaussian noise in low signal-to-noise ratio is addressed. For echo signals of the multiple satellites' passive radar, a robust 2-D DOA
Externí odkaz:
https://doaj.org/article/155c778774bf472aaa91b099e4fbddf5
Publikováno v:
IEEE Access, Vol 7, Pp 58277-58285 (2019)
As the single-signal carrier frequency estimation method is unsuitable for the time-frequency overlapped signals in an underlay cognitive radio network (CRN), in this paper, we propose a novel carrier frequency estimation method for the time-frequenc
Externí odkaz:
https://doaj.org/article/4b259781a04141a0a1957e5ed7605ec8
Publikováno v:
IEEE Access, Vol 7, Pp 83974-83983 (2019)
In complex electromagnetic environments, electromagnetic signal classification rates are low as long time have to be the cost to extract features. To cope with the issue, in this paper, an electromagnetic signal classification method is proposed base
Externí odkaz:
https://doaj.org/article/ab9629684c33412b9ce7aeaf9796e4c9
Publikováno v:
IEEE Access, Vol 6, Pp 60862-60868 (2018)
This paper focuses on how to effectively improve the tradeoff between security and reliability by developing power allocation problems for a secure relaying network with a full-duplex (FD) relay, an FD receiver and a passive eavesdropper. FD radio he
Externí odkaz:
https://doaj.org/article/017d824aa8404dfda3e33ac8112a0058
Publikováno v:
Remote Sensing, Vol 12, Iss 7, p 1150 (2020)
Passive detection of a moving aerial target is critical for intelligent surveillance. Its implementation can use signals transmitted from satellites. Nowadays, various types of satellites co-exist which can be used for passive detection. As a result,
Externí odkaz:
https://doaj.org/article/30526dc0914d4138ad7b8b0e2198ca2b
Publikováno v:
Remote Sensing, Vol 12, Iss 2, p 263 (2020)
Passive localization is an important part of intelligent surveillance in security and emergency applications. Nowadays, Global Navigation Satellite Systems (GNSSs) have been widely deployed. As a result, the satellite signal receiver may receive mult
Externí odkaz:
https://doaj.org/article/a363832532f340e5a3dd15ff52c3f2f1
Publikováno v:
IEEE Internet of Things Journal. 9:24669-24681