Results 21 to 30 of about 54,084 (297)
The next generation textile antennas based on substrate integrated waveguide technology [PDF]
, 2014 Textile antennas for body-worn applications have some very specific requirements and needs. From an electrical engineer's point of view, good radiation characteristics and impedance matching to the active electronics are important.
Agneessens, Sam +4 more
core +2 more sources
Adaptive antennas at the mobile and base stations in an OFDM/TDMA system [PDF]
, 2001 In recent years, several smart antenna systems have been proposed and demonstrated at the base station (BS) of wire-less communications systems, and these have shown that significant system performance improvement is possible.
Cheng, RSK, Wong, KK
core +1 more source
Smart Antennas in aerospace applications [PDF]
2010 URSI International Symposium on Electromagnetic Theory, 2010 The interest in Smart Antennas for aerospace applications is growing. This paper describes smart antennas which can be used on aircraft. Two aerospace applications are discussed in more detail: a phased array antenna with optical beam forming and a large vibrating phased array antenna with electronic compensation techniques.
Verpoorte, Jaco +3 more
openaire +3 more sources
IEEE Access, 2022 This paper focuses on direction of arrival (DoA) estimation using adaptive arrays that consist of radiation pattern reconfigurable antenna (RPRA) elements for 2D direction finding (i.e., azimuth and elevation DoA estimation).
Brad R. Jackson
doaj +1 more source
A Wideband Direct Data Domain Genetic Algorithm Beamforming [PDF]
, 2015 In this paper, a wideband direct data-domain genetic algorithm beamforming is presented. Received wideband signals are decomposed to a set of narrow sub-bands using fast Fourier transform.
Elkamchouchi, H. M., Hassan, M. M.
core +2 more sources
On Capacity and Delay of Multi-channel Wireless Networks with Infrastructure Support [PDF]
, 2016 In this paper, we propose a novel multi-channel network with infrastructure support, called an MC-IS network, which has not been studied in the literature. To the best of our knowledge, we are the first to study such an MC-IS network.
Dai, Hong-Ning +2 more
core +3 more sources
Cogent Engineering, 2022 Wearable electronics sector is a fast-growing industry due to the rapid progress gained by developing textile-based conductive materials and conductive yarns.
Rameesh Lakshan Bulathsinghala
doaj +1 more source
Understanding Link Dynamics in Wireless Sensor Networks with Dynamically Steerable Directional Antennas [PDF]
, 2013 . By radiating the power in the direction of choice, electronicallyswitched directional (ESD) antennas can reduce network contention and avoid packet loss.
C. Noda +9 more
core +2 more sources
A State-of-the-Art Review on 4D Printed Antennas and Other Adaptable Designs
IEEE AccessThis article offers a thorough review of the current state-of-the-art in four-dimensional (4D) printed antennas and possible adaptable designs. It provides a succinct examination of various categories of materials used in three-dimensional (3D) and 4D ...
Saul S. Carvalho +2 more
doaj +1 more source
Designing Smart Antennas Using Machine Learning Algorithms
Journal of Telecommunications and Information Technology, 2023 Smart antenna technologies improve spectral efficiency, security, energy efficiency, and overall service quality in cellular networks by utilizing signal processing algorithms that provide radiation beams to users while producing nulls for interferers ...
Barsa Samantaray +2 more
doaj +1 more source