Results 111 to 120 of about 77,272 (302)
Advanced Functional Materials, EarlyView.The article reviews laser‐processed carbons from various precursors, processing mechanism and their application in advanced batteries. The laser process is chemical free, fast, and scalable, enabling improved battery performance and stability for Li, Na, and Zn battery technologies.
Sujit Deshmukh +2 more
wiley +1 more source
Exploiting Phase Diversity for CDMA2000 1X Smart Antenna Base Stations
EURASIP Journal on Advances in Signal Processing, 2004 A performance analysis of an access channel decoder is presented which exploits a diversity gain due to the independent magnitude of received signals energy at each of the antenna elements of a smart-antenna base-station transceiver subsystem (BTS ...
Hyeon Seungheon +2 more
doaj +1 more source
Antennas are essential and crucial components of radar and wireless communication systems, but sometimes their inability to adapt to new operating conditions can hamper system performance. These limitations can be mitigated or eliminated, and reconfigurable antennas can bring new levels of functionality to any system by enabling it to modify its ...
Faouzi Rahmani +5 more
openaire +1 more source
Wireless lans with smart antennas
, 2005 ABSTRACT Smart antenna systems not only enable users to have high quality links but also increase network throughput by allowing spatial reuse of wireless channels by the use of directional transmission. However performance of smart antenna systems is limited because of the increased hidden terminal problem and deafness of nodes.
openaire +2 more sources
Advanced Functional Materials, EarlyView.The concept of foulant particle manipulation and detachment from active microfiltration membranes via voltage‐driven vibrations is introduced. Actuator components are initially integrated onto the filtration membranes using an airbrush spray printing technique.
Irem Gurbuz, Hanieh Bazyar, Andres Hunt
wiley +1 more source
Spatial de-correlation of the UTRA-FDD radio channel [PDF]
, 2000 For smart antenna deployment in Frequency Division Duplex (FDD) applications the downlink weight vector can be derived from the uplink steering vector, assuming a degree of correlation between these channels.
Allen, Ben, Beach, Mark, Karlsson, Peter
core +1 more source
4D Printing of Self‐Immolative Polymers
Advanced Functional Materials, EarlyView.The integration of self‐immolative polymers (SIPs) into light‐based 3D printed structures is presented as a new “living” 4D printing strategy. By exploiting their metastability and stimuli‐responsiveness, SIP‐containing printed objects can undergo rapid and triggered degrowth under ambient conditions and subsequent regrowth through polymer ...
Johannes Markhart +3 more
wiley +1 more source
, 2020 Recently there has been a flurry of research on the use of reconfigurable intelligent surfaces (RIS) in wireless networks to create smart radio environments.
ElMossallamy, Mohamed A. +5 more
core
Performances of conformal and planar arrays [PDF]
, 2003 Static and dynamic deformations can have a severe impact on the performance of conformal antennas on aircrafts and other vehicles. Therefore it is essential to study the different deformation and vibration mechanisms and their influence on the antenna's ...
Deloues, Thierry +6 more
core
Advanced Functional Materials, EarlyView.Enzymatically crosslinked gelatin‐based organohydrogels, fabricated through a fully bio‐based and scalable process, exhibit exceptional strain and temperature sensing capabilities with minimal interference from environmental humidity. These transparent, stretchable, and ionically conductive materials operate without synthetic fillers or dopants.
Pietro Tordi +7 more
wiley +1 more source