Zobrazeno 1 - 10
of 2 177
pro vyhledávání: '"Millimeter-wave (mmWave)"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 18, Pp 1551-1561 (2025)
Millimeter-wave (mmWave) synthetic aperture radar (SAR) has found wide applications in autonomous driving, landslide detection, urban mapping, etc. However, the high propagation loss of mmWave bands and the limitation of transmitting power have led t
Externí odkaz:
https://doaj.org/article/7a07a09590d84664a7cd1724c638f569
Autor:
Safak Sonmez, Kenan Furkan Kaptan, Muhammet Ali Tunç, Ibraheem Shayea, Ayman A. El-Saleh, Bilal Saoud
Publikováno v:
Alexandria Engineering Journal, Vol 96, Iss , Pp 344-354 (2024)
Handover (HO) management in Heterogeneous Networks (HetNets) poses challenges arising from network densification and dynamic environmental behaviors. Existing HO decision algorithms struggle to efficiently utilize network resources and ensure a high-
Externí odkaz:
https://doaj.org/article/32855c2fa4954022b446819a4aea667c
Publikováno v:
Materials & Design, Vol 242, Iss , Pp 112983- (2024)
A high-gain circularly polarized (CP) magnetoelectric (ME) dipole antenna with metallic radiating structure is presented. The proposed CP antenna element consists of two pairs of metallic posts with a supporting metallic plate, a metallic air-filled
Externí odkaz:
https://doaj.org/article/69e8c65e0fb34063be798a8dc311c969
Publikováno v:
IEEE Open Journal of the Solid-State Circuits Society, Vol 4, Pp 226-237 (2024)
A fractional-N frequency synthesizer with low total jitter [e.g., $(\Delta \Sigma )$ quantization cancellation using a digital-to-time converter (DTC) (and more recently, DACs) have demonstrated low-jitter performance and are well understood in terms
Externí odkaz:
https://doaj.org/article/9f472b62428147c1908ca680cd346197
Publikováno v:
IEEE Access, Vol 12, Pp 187265-187277 (2024)
With the emergence of sixth-generation (6G) wireless services, low Earth orbit (LEO) satellite communications are increasingly recognized as a promising solution for providing extensive wireless coverage to terrestrial users. Subarray-based hybrid be
Externí odkaz:
https://doaj.org/article/786a59d734e448f8a067bfec57b54bc0
Publikováno v:
IEEE Access, Vol 12, Pp 172714-172729 (2024)
The rapid advancements in wireless communications have prompted a surge in mobile data traffic, necessitating innovative solutions for 5G and beyond. This paper introduces a two-tier Heterogeneous Cloud Radio Access Network (HC-RAN) model leveraging
Externí odkaz:
https://doaj.org/article/219a47aa07b04ab382b0b30e31aa013a
Publikováno v:
IEEE Access, Vol 12, Pp 151507-151514 (2024)
This paper presents a novel shared-aperture smartphone antenna for sub-6 GHz and millimeter-wave (mmWave) bands. The proposed antenna module comprises a four-element mmWave patch antenna array integrated into a wideband sub-6 GHz slot antenna. The mm
Externí odkaz:
https://doaj.org/article/27bd00414d3541bdb8e0820e0a0b909e
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 5667-5679 (2024)
Unmanned aerial vehicles (UAVs) are envisioned to play a pivotal role in modern telecommunication and wireless sensor networks, offering unparalleled flexibility and mobility for communication and data collection in diverse environments. This paper p
Externí odkaz:
https://doaj.org/article/bfab0b817b184eafa4d6b112dbd760de
Publikováno v:
IEEE Access, Vol 12, Pp 106770-106780 (2024)
We present a novel concept of a millimeter-wave patch antenna that integrates the functions of a dual-polarized antenna and a capacitive proximity sensor to detect the state of a hand grip on a smartphone and compensate for the effect. The antenna ha
Externí odkaz:
https://doaj.org/article/309d78ef87e04b758c90c1133b3b0fb2
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4400-4416 (2024)
Future networks are expected to make substantial use of unmanned aerial vehicles (UAVs) as aerial base stations (BSs). The backhauling of UAVs is often considered with license-free and highbandwidth free-space optical (FSO) communication. Employing U
Externí odkaz:
https://doaj.org/article/de22f43b3968461ea91af28b2193bdc7