Zobrazeno 1 - 10
of 197
pro vyhledávání: '"Bin-jie Hu"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Fusing information from LiDAR and cameras can effectively enhance the overall perceptivity of autonomous vehicles in various scenarios. Despite the relatively good results achieved by point-wise fusion and Bird’s-Eye-View (BEV) fusion, the
Externí odkaz:
https://doaj.org/article/eae7ffa136d345d2955bcc85e6b11980
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2019, Iss 1, Pp 1-17 (2019)
Abstract Multiuser access is a critical issue in distributed cognitive radio networks (DCRNs), as the collisions among the competing secondary users (SUs) may decrease the network throughput significantly. In order to reduce the collisions, we propos
Externí odkaz:
https://doaj.org/article/515e9820bc5944bc8462b185ca2d6f93
Precise Transient Electric Field Shaping With Prescribed Amplitude Pattern by Discrete Time Reversal
Publikováno v:
IEEE Access, Vol 7, Pp 84558-84564 (2019)
Generation of arbitrarily shaped transient electric fields in a prescribed bounded region, especially with high precision and low sidelobes, is a challenging fundamental issue with applications ranging from electromagnetic (EM) switch, microwave chem
Externí odkaz:
https://doaj.org/article/201057efebe9425e906be4808e668cc4
Publikováno v:
IEEE Access, Vol 7, Pp 114897-114908 (2019)
Resorting to power accurate delivery for wireless power transfer (WPT) based on microwaves, a theory and method based on time reversal (TR) for WPT in 3D indoor environments are presented in this paper. Conventional WPT methods have the limitations o
Externí odkaz:
https://doaj.org/article/b3d572ca46cc491790de75e01534bea4
Publikováno v:
IEEE Access, Vol 6, Pp 38851-38859 (2018)
Cooperative spectrum sensing (CSS) is widely investigated in cognitive radio networks (CRNs) to improve the spectrum sensing performance. To realize CSS, how to collect sensing data from the secondary users (SUs) is one of the major problems. To solv
Externí odkaz:
https://doaj.org/article/5a90f5ff086345d4850c28522196ddcb
Autor:
Zong-Heng Wei, Bin-Jie Hu
Publikováno v:
IEEE Access, Vol 6, Pp 14255-14267 (2018)
Designing an efficient spectrum assignment (SA) mechanism is a key issue for realizing dynamic spectrum access in cognitive radio network. In multi-channel selection based SA schemes, secondary users (SUs) are able to utilize multiple channels simult
Externí odkaz:
https://doaj.org/article/39e3b00af64443cc8bf2876a6e2fed68
Publikováno v:
IEEE Access, Vol 5, Pp 1164-1177 (2017)
To achieve the maximum network energy efficiency (EE) and guarantee the fairness of EE among cognitive users (CUs), respectively, in the massive multiple-input multiple-output cognitive radio network, we investigate two power optimization problems: n
Externí odkaz:
https://doaj.org/article/a7c90988e0d246629c37088741dcaec6
Publikováno v:
IEEE Access, Vol 5, Pp 27611-27621 (2017)
In this paper, a joint pilot and data power allocation problem with max-min fair energy efficiency (EE) guarantee in the uplink massive multiple-input multiple-output cognitive radio networks is investigated. Given the fractional objective function,
Externí odkaz:
https://doaj.org/article/3f9fea6efddb4e6b9b64571bcc193bdc
Publikováno v:
IEEE Access, Vol 3, Pp 2794-2802 (2015)
This paper proposes a roadside unit (RSU)-coordinated synchronous multi-channel medium access control (MAC) scheme for vehicular ad hoc networks (VANETs). The proposed scheme allows the on board unit (OBU) to reserve service channels (SCHs) on the co
Externí odkaz:
https://doaj.org/article/2d0d532ef4b54a148f8d2677362815b0
Publikováno v:
Sensors, Vol 19, Iss 6, p 1398 (2019)
In this paper, a novel direction-of-arrival (DOA) estimation for unknown (anonymous) emitter signal (ES) based on time reversal (TR) and coprime array (CA) is proposed. The resolution and accuracy of DOA estimation are enhanced from two aspects: one
Externí odkaz:
https://doaj.org/article/3881285542394ee6b14ff5bc9df5f96e