A novel 256-element wirelessly powered transceiver array for non-line-of-sight 5G communication, featuring efficient wireless power transmission and high-power conversion efficiency, has been designed.
Researchers have designed a novel wirelessly powered relay transceiver that improves 5G network coverage even in areas with link blockage The innovative design can enhance the 5G network coverage even to places with link blockage, improving flexibility and coverage area, and potentially making high-speed, low-latency communication more accessible.
Beamforming is a key technique for long-distance communication using millimeter waves which improves SNR. This technique uses an array of sensors to focus radio signals into a narrow beam in a specific direction, akin to focusing a flashlight beam on a single point. However, it is limited to line-of-sight communication, where transmitters and receivers must be in a straight line, and the received signal can become degraded due to obstacles.
The proposed transceiver consists of 256 rectifier arrays with 24 GHz wireless power transfer . These arrays consist of discrete ICs, including gallium arsenide diodes, and baluns, which interface between balanced and unbalanced signal lines, DPDT switches, and digital ICs. Notably, the transceiver is capable of simultaneous data and power transmission, converting 24 GHz WPT signal to direct current and facilitating 28 GHz bi-directional transmission and reception at the same time.
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