Index modulation (IM) is an innovative technique that enhances the performance of Orthogonal Frequency Division Multiplexing (OFDM) systems, which are widely used in modern communication technologies.

In this work, we propose an equal-length level conversion (ELLC) scheme to jointly optimize the delta-sigma modulation (DSM) quantization noise and optical transmission performance. The ELLC scheme ...

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The fast development of wireless communication technologies has increased the application of automatic modulation recognition (AMR) in sectors such as cognitive radio and electronic countermeasures.

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Existing Home Sales Add to a Miserable June for U.S. Housing Data By Investing.com - Jul 20, 2022 4 By Geoffrey Smith and Scott Kanowsky Investing.com -- The number of sales of existing homes ...

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In this paper, we propose a non-coherent reconfigurable intelligent surface (RIS)-empowered differential chaos shift keying scheme with two-level nested index modulation (RIS-DCSK-TLNIM). In the ...

For investors who desire a more hands-off option that still grants a range of investment diversity, index funds are an avenue worth exploring. An index fund is a fund that tracks a market index ...

Nikkei 225 is an index which belongs to the Tokyo Stock Exchange (TSE). The Nihon Keizai Shimbun (Nikkei) calculates the index daily since 1950. The calculation of Nikkei 225 index began on ...