This experiment demonstrated that a terrestrial 5G network backhaul circuit by the overhead relay of 5G (NR system) can be established using 38-GHz band radio waves between a station onboard a Cessna aircraft at an altitude of approximately 4 km and three ground stations.. This experiment demonstrated that a terrestrial 5G network backhaul circuit by the overhead relay of 5G (NR system) can be established using 38-GHz band radio waves between a station onboard a Cessna aircraft at an altitude of approximately 4 km and three ground stations.. Integrated Sensing and Communication (ISAC) is an important trend for future commutation networks. The Communication Base Station (CBS) can be used as a Ground-Based Synthetic Aperture Radar (GB-SAR). By using Synthetic Aperture Radar (SAR) images obtained at a different time, GB-SAR will have the. . HAPS is an unmanned aerial vehicle that can fly nonstop in the stratosphere approximately 20 km above the ground for long periods of time from a few days to several months. By mounting a repeater and other equipment on the aircraft, it will be possible to create a wireless communication service. . Here, we propose a large-scale 2-bit millimeter-wave programmable metasurface to build an integrated smart base station framework for 6G communications. The meta-array is composed of 30 × 30 meta-elements, each with two embedded positive-intrinsic-negative (PIN) diodes. A dish-cone antenna is. . In January 11, 2022, KDDI Research, Inc., (Head office: Fujimino, Saitama; President and CEO: Hajime Nakamura；hereinafter referred to as “KDDI Research”) successfully concluded a demonstration experiment of Cell-Free massive MIMO (*1) for end to end (hereinafter referred to as “E2E”) communication. . To rapidly restore damaged communication systems, we propose a UAV-based mobile base station equipped with Public Safety LTE (PS-LTE) technology to provide standalone communication capabilities. The proposed system includes PS-LTE functionalities, mission-critical push-to-talk, proximity-based. . Most of the current research is based on the performance of the base station (BS) itself or the operation mode of the communication operator without considering the users' needs and signal overlapping coverage. The main research content of this paper is to study the information about the existing.
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