Yeckel] recently put the finishing touches on an ambitious implementation of a simple D-STAR (Digital Smart Technologies for Amateur Radio) transceiver using some very accessible and affordable ...
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Abstract: This paper presents a novel multi-stream downlink communication system that utilizes a transmissive reconfigurable intelligent surface (RIS) transceiver. Specifically, we elaborate the ...
Abstract: Massive multiple-input multiple-output (MIMO) has been a critical enabling technology in 5th generation (5G) wireless networks. With the advent of 6G, a natural evolution is to employ even ...
China CSSC Holdings Ltd. engages in the ship building and repair, power business, marine engineering, mechanical and electrical equipment. It also repairs ships and engages in marine projects. The ...