Zobrazeno 1 - 10
of 632
pro vyhledávání: '"Richard W. Ziolkowski"'
Autor:
Wei Lin, Richard W. Ziolkowski
Publikováno v:
Engineering, Vol 11, Iss , Pp 42-59 (2022)
Far-field wireless power transfer (WPT) is a major breakthrough technology that will enable the many anticipated ubiquitous Internet of Things (IoT) applications associated with fifth generation (5G), sixth generation (6G), and beyond wireless ecosys
Externí odkaz:
https://doaj.org/article/c4bc003e5988443799c70c13eb99478f
Autor:
Richard W. Ziolkowski
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 154-188 (2022)
Multipole expansions are an essential analysis tool in the foundations of the descriptions of the electromagnetic fields radiated by electric and magnetic sources. Nevertheless, practical antenna systems generally rely on them as an academic explanat
Externí odkaz:
https://doaj.org/article/0b424bb7b8e2496a87729e26e060aeef
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 2, Pp 807-830 (2021)
Multi-beam antennas are critical components in future terrestrial and non-terrestrial wireless communications networks. The multiple beams produced by these antennas will enable dynamic interconnection of various terrestrial, airborne and space-borne
Externí odkaz:
https://doaj.org/article/1b74bd5b9b6e4d2dac293961322f6974
Autor:
Wei Lin, Richard W. Ziolkowski
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 2, Pp 954-967 (2021)
The theoretical analysis of beam-steerable, broadside-radiating Huygens dipole antenna arrays (HDAAs) is presented. Linear HDAAs with different numbers of elements are investigated and compared with full-wave simulations. Their attractive performance
Externí odkaz:
https://doaj.org/article/bbf726971265478e91ae5c18fb8cce07
Autor:
Richard W. Ziolkowski
Publikováno v:
IEEE Access, Vol 7, Pp 163365-163383 (2019)
System-on-Chip (SoC) applications include embedded systems and mobile computing platforms. They will play major roles in fifth generation (5G) wireless systems, notably with the many associated IoT (internet-of-things) devices. Their wireless functio
Externí odkaz:
https://doaj.org/article/b551d38e9cf7481097b0a10381907b69
Autor:
Wei Lin, Richard W. Ziolkowski
Publikováno v:
IEEE Access, Vol 7, Pp 39762-39769 (2019)
This paper introduces the first reported electrically small Huygens dual-functional wireless power transfer (WPT) and communication system operating in the 915-MHz ISM band. It is realized by the seamless combination of a Huygens linearly polarized (
Externí odkaz:
https://doaj.org/article/d47e31825f1d4e62b123ec911309343f
Autor:
Junping Geng, Richard W. Ziolkowski, Kun Wang, Xiaonlan Zhao, Han Zhou, Guanshen Chenhu, Xianling Liang, Ronghong Jin
Publikováno v:
IEEE Access, Vol 7, Pp 96284-96296 (2019)
A compact T-shaped feed structure (TFS) is reported that enables the realization of two types of diversity antennas: a polarization diversity antenna (PDA) and a spatial diversity antenna (SDA). Both systems have a high potential for mobile wireless
Externí odkaz:
https://doaj.org/article/ebf0789e25fa48eab4ae86ddefd30c94
Publikováno v:
IEEE Access, Vol 6, Pp 5780-5794 (2018)
Future fifth generation (5G) wireless platforms will require reconfigurable antenna systems to meet their performance requirements in compact, light-weight, and cost-effective packages. Recent advances in reconfigurable radiating and receiving struct
Externí odkaz:
https://doaj.org/article/118d244222594704b6b784cb269ad321
Autor:
Andrei Muller, Richard W. Ziolkowski, Jusung Kim, Elena Blokhina, Mircea Dragoman, Maurizio Bozzi
Publikováno v:
IEEE Access, Vol 6, Pp 42368-42372 (2018)
The tunability of devices is a prerequisite for modern communications: the next generation of systems operating at RF, microwave, millimeter-wave, THz, and optical frequencies requires operation over ultra-wide bands, fast switching between channels,
Externí odkaz:
https://doaj.org/article/c85637811d9644ca975915411ff89236
Publikováno v:
IEEE Access, Vol 5, Pp 14657-14663 (2017)
A broadband electrically small antenna with directive circularly polarized radiation is presented. It is composed of a compact single-feed crossed dipole driver, which is backed by a near-field resonant parasitic (NFRP) reflector to achieve the direc
Externí odkaz:
https://doaj.org/article/ccd4d8b074274b71aa8b39ef4d0516fc