Zobrazeno 1 - 10
of 10
pro vyhledávání: '"João N. Matos"'
Publikováno v:
Sensors, Vol 24, Iss 8, p 2408 (2024)
Wireless communication systems have grown rapidly, moving towards being highly compact, intelligent, and flexible to adapt to changing operating requirements. Multifunctional and highly versatile antennas are key in this development to ensure system
Externí odkaz:
https://doaj.org/article/a9277b47ec0342a8a8e87f6d470e3d07
Publikováno v:
Applied Sciences, Vol 11, Iss 14, p 6267 (2021)
Modern communication systems require high bandwidth to meet the needs of the huge number of sensors and the growing amount of data consumed, and an exponential growth is expected in the future with the integration of internet of things networks. Spec
Externí odkaz:
https://doaj.org/article/07749018c05f4fceb35b715bf6f5dade
Publikováno v:
Sensors, Vol 21, Iss 10, p 3321 (2021)
With the rise of 5G, Internet of Things (IoT), and networks operating in the mmWave frequencies, a huge growth of connected sensors will be a reality, and high gain antennas will be desired to compensate for the propagation issues, and with low cost,
Externí odkaz:
https://doaj.org/article/b1fc426469a843329ecb27bb2678a1d0
Publikováno v:
Sensors, Vol 20, Iss 21, p 6366 (2020)
This paper presents a simple, compact and low-cost design method that allows one to obtain low-profile multi-band antennas for the overcrowded future generation networks, which are widely versatile and very heterogeneous in the K/Ka bands. The propos
Externí odkaz:
https://doaj.org/article/43f2bcddfac947f3a538bfbcde12c4b7
Publikováno v:
Applied Sciences, Vol 10, Iss 20, p 7187 (2020)
Based on the flexibility of software-defined radio (SDR) techniques applied to an array of antennas, this article presents a beamforming architecture designed to operate in millimeter-wave bands (28 GHz), with possible applications in radar and 5G sy
Externí odkaz:
https://doaj.org/article/cfc53db4964b421d864e76c4c3a84491
Publikováno v:
Sensors, Vol 20, Iss 8, p 2333 (2020)
Large constellations of low-orbit satellites have already been launched with the aim of offering complete worldwide coverage of broadband Internet; however, compact, simple, and low-cost mobile terminals are necessary to establish the communication.
Externí odkaz:
https://doaj.org/article/c4bce9ad65114d96bea262c8eb5b166a
Publikováno v:
Sensors, Vol 18, Iss 9, p 2914 (2018)
To increase the capacity and performance of communication systems, the new generation of mobile communications (5G) will use frequency bands in the mmWave region, where new challenges arise. These challenges can be partially overcome by using higher
Externí odkaz:
https://doaj.org/article/68a3128290214d6f958d264c38f48754
Publikováno v:
Sensors, Vol 16, Iss 12, p 2101 (2016)
Vehicular communications have been subject to a great development in recent years, with multiple applications, such as electronic payments, improving the convenience and comfort of drivers. Its communication network is supported by dedicated short ra
Externí odkaz:
https://doaj.org/article/65c6a2ff28984862984ee09b775b7ace
Publikováno v:
IEEE Access, Vol 11, Pp 143143-143166 (2023)
In the most recent years multiple-input multiple-output (MIMO) antennas have been widely implemented to take advantage of the opportunity in controlling their radiation pattern and/or polarization in overcoming modern telecommunication systems issues
Externí odkaz:
https://doaj.org/article/95f0c6665b91479ba84f6bbaaf75679a
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