Abstract
Modified generalised quadrature spatial modulation scheme is developed to increase the data rate of quadrature spatial modulation. By considering multiple radio frequency chains, this scheme allows more number of active antennas to transmit the data. In this scheme, the complex data symbol is separated as the real part and imaginary part, the real part is modulated on in-phase, and the imaginary part is modulated on quadrature, and transmitted over the channel. This scheme provides an extra one bit per channel use data rate over generalised quadrature spatial modulation. This paper presents the uncoded modified generalised quadrature spatial modulation system performance over Weibull fading channel. We consider two different Weibull fading environments, i.e. deep fade environment and non-fading environment with shape parameter values are 0.5 and 5, respectively. Using maximum likelihood algorithm, we study the system and compare the performance with spatial modulation and quadrature spatial modulation systems.
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Notes
- 1.
Notation: \(\lfloor \cdot \rfloor \) denotes floor operation, \( \lbrace \cdot \rbrace \) denotes the fractional part, \(\left( {\begin{array}{c}\cdot \\ \cdot \end{array}}\right) \) denotes binomial coefficient, bold uppercase, and lowercase letters denote matrices and column vectors, respectively. \(\Vert \cdot \Vert _{0}\) denotes norm zero vector, \(\vert \cdot \vert \) denotes cardinality of a set.
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Gunde, K., Sundru, A. (2021). Modified Generalised Quadrature Spatial Modulation Performance over Weibull Fading Channel. In: Kumar, S., Purohit, S.D., Hiranwal, S., Prasad, M. (eds) Proceedings of International Conference on Communication and Computational Technologies. Algorithms for Intelligent Systems. Springer, Singapore. https://doi.org/10.1007/978-981-16-3246-4_7
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DOI: https://doi.org/10.1007/978-981-16-3246-4_7
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