Abstract: Underlay Cognitive Radio (CR) systems were introduced to resolve the issue of spectrum scarcity in wireless communication. In CR systems, an unlicensed Secondary Transmitter (ST) shares the ...

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Losing your phone can leave you in panic mode, especially when the battery dies. The good news is that both Apple and Android offer built-in tools that help you track a missing device even when it is ...

Abstract: paper reports on the design and practical development of RF co-designed low-noise amplifiers (LNAs) with multi-band RF filter and diplexer capabilities. Split-type multi-resonant stages are ...

"Buy cheap, buy twice," the old saying goes, and it's one so many of us have been stung by. It's always difficult to resist the siren call of what looks to be a good bargain, but you don't want to ...