大量
发表于 2025-3-25 05:17:07
A Novel Compact Frequency and Polarization Reconfigurable Slot Antenna Using PIN Diodes for Cognitivngrossment. In this chapter, the proposed design has a straightforward and effortless construction. A simple rectangular microstrip patch cut by slot and the patch interconnect with four L-shaped strip lines. By enabling/disabling (ON/OFF) the (HPND4005) PIN diodes, the antenna operates at different
AMOR
发表于 2025-3-25 11:29:09
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山间窄路
发表于 2025-3-25 13:14:42
Study of Various Beamformers and Smart Antenna Adaptive Algorithms for Mobile Communicationace during the last decade. This can be accomplished using multiple-input multiple-output and smart antenna technologies. One of the main quickly evolving areas of connectivity is the smart antenna technology, which allows achieving greater exposure by growing signal intensity only in the chosen dir
Brocas-Area
发表于 2025-3-25 17:58:17
Microstrip Patch Antennas: Past and Present State of the Art Federal Communications Commission (FCC) has mentioned the UWB unlicensed bandwidth (3.10 GHz–10.60 GHz) for applications in RADAR, detection-collision systems in vehicles, medical imaging, surveillance system, through-wall imaging system, etc. UWB technology on the other hand utilizes low power of
柏树
发表于 2025-3-25 20:32:14
Planar Design, Analysis, and Characterization of Multiple-Input Multiple-Output Antennahe channel bandwidth. Diversity methods are achieved for polarization, frequency, and pattern by using different design methods according to the requirement of applications. MIMO antenna where multiple radiating elements are radiating increases the channel bandwidth and also maintains the overall ef
EWE
发表于 2025-3-26 00:42:51
Design of Smooth Curved Hexagonal-Shaped Four-Element MIMO Antenna for WiMAX, Wi-Fi, and 5G Applicatication bands such as 5G n79 band (4.4 GHz–5 GHz), WLAN channels (5 GHz–5.9 GHz), and 5G Wi-Fi (6 GHz). Each radiator consists of a smooth curved hexagonal patch having partial ground. The individual radiator is operating from 4.6 GHz to 6.7 GHz. Each element is placed orthogonally to form a four-el
披肩
发表于 2025-3-26 07:30:48
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adroit
发表于 2025-3-26 10:30:02
5G Massive MIMO-OFDM System Model: Existing Channel Estimation Algorithms and Its Reviewhigh energy consumption, not provided by the fourth generation. The fifth-generation wireless systems are able to provide high data rates and mobility that are required by wireless system designers. These systems are expected to be deployed beyond 2020. The main work of the fifth generation is to pr
信条
发表于 2025-3-26 15:31:38
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小隔间
发表于 2025-3-26 20:28:50
Smart Antennas978-3-030-76636-8Series ISSN 2522-8595 Series E-ISSN 2522-8609