Subcarrier-index modulation
Webper subcarrier, levels of modulation, channel spacing between subcarriers, optical power, and modulation indexes. A 10-Gb/s SCM test bed has been set up in which 4 2.5 Gb/s data streams are combined into one wavelength that occupies a 20-GHz optical bandwidth. … WebIn this paper, the subcarrier index modulation super-Nyquist carrierless amplitude phase (SIM-SCAP) modulation scheme is proposed and investigated to enhance the system spectral efficiency (SE) and the energy efficiency of the multiband CAP (m-CAP) scheme …
Subcarrier-index modulation
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http://ittc.ku.edu/publications/documents/Hui2002_Hui2002JoLTpp417.pdf Web26 Jul 2024 · Subband index carrierless amplitude and phase modulation (SI-CAP) is proposed and investigated in this paper to improve the performance of multi-band CAP ( $m$ The bit-error-rate (BER) analysis...
Websubcarrier index along the antenna array is a non-linear function of the corresponding antenna element index. The PSS was defined as a set whose subcarrier index is prime. ... method based on index modulation. On one hand, the bitstream was a random binary … Web30 Mar 2024 · Index modulation (IM) has recently been found to be a promising technique due to the transmission of additional data bits via the indices of the available transmit entities. However, the practical implementation of IM remains a great challenge …
Web16 Sep 2009 · Subcarrier-index modulation OFDM. Abstract: A new transmission approach, referred to as subcarrier-index modulation (SIM) is proposed to be integrated with the orthogonal frequency division multiplexing (OFDM) systems. More specifically, it relates … Web12 May 2016 · The achievable performance of subcarrier-index modulation (SIM) is analyzed in terms of its minimum Euclidean distance, constrained and unconstrained average mutual information, as well as its peak-to-average power ratio (PAPR). Our …
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WebOrigins of CASM and Interplex. The CASM Modulation is very similar to Interplex [S. Butman and U. Timor, 1972].It receives also the name of Modified Tri-code Hexaphase modulation since it can be seen as a constant envelope modification of the Tri-code Hexaphase … intredgedWeb17 Sep 2024 · Differential subcarrier index modulation (DSIM) system provides resource efficient information transmission without the need of channel state information and equalisation. However, maximum likelihood detector applied in DSIM possesses high … intred eir bresciaWeb1 Apr 2024 · In OFDM-GIM2, independent index modulation is performed on the in-phase and quadrature component per subcarrier. Through such ways, a higher spectral efficiency than that of OFDM-IM may be achieved. new meijer stores in michiganWeb31 Oct 2024 · So far, a variety of index modulation techniques have been proposed for OFDM systems. However, they are almost always based on modulating the active subcarrier indices. We propose a novel index modulation technique by employing the part of the transmitted bit group into the null subcarrier location index within the predefined size of … new meijer stores 2022 in michiganWeb31 Oct 2024 · So far, a variety of index modulation techniques have been proposed for OFDM systems. However, they are almost always based on modulating the active subcarrier indices. We propose a novel index modulation technique by employing the part of the … new me in 23WebThe FM broadcast band is a range of radio frequencies used for FM broadcasting by radio stations.The range of frequencies used differs between different parts of the world. In Europe and Africa (defined as International Telecommunication Union (ITU) region 1) and … intred facebookWebA novel modulation technique coined SIM-OFDM was recently proposed. SIM-OFDM uses different frequency carrier states to convey information and leads to increased performance in comparison to conventional OFDM. new me instagram names