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Adaptive Multicarrier Frequency Hopping Spread Spectrum Combined with Channel Coding

Adaptive Multicarrier Frequency Hopping Spread Spectrum Combined with Channel Coding

Abid Yahya, Othman Sidek, Farid Ghani, R. Badlishah Ahmad, M. F. M. Salleh
Copyright: © 2011 |Pages: 18
ISBN13: 9781609600426|ISBN10: 1609600428|EISBN13: 9781609600433
DOI: 10.4018/978-1-60960-042-6.ch010
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MLA

Yahya, Abid, et al. "Adaptive Multicarrier Frequency Hopping Spread Spectrum Combined with Channel Coding." Handbook of Research on Mobility and Computing: Evolving Technologies and Ubiquitous Impacts, edited by Maria Manuela Cruz-Cunha and Fernando Moreira, IGI Global, 2011, pp. 157-174. https://doi.org/10.4018/978-1-60960-042-6.ch010

APA

Yahya, A., Sidek, O., Ghani, F., Ahmad, R. B., & Salleh, M. F. (2011). Adaptive Multicarrier Frequency Hopping Spread Spectrum Combined with Channel Coding. In M. Cruz-Cunha & F. Moreira (Eds.), Handbook of Research on Mobility and Computing: Evolving Technologies and Ubiquitous Impacts (pp. 157-174). IGI Global. https://doi.org/10.4018/978-1-60960-042-6.ch010

Chicago

Yahya, Abid, et al. "Adaptive Multicarrier Frequency Hopping Spread Spectrum Combined with Channel Coding." In Handbook of Research on Mobility and Computing: Evolving Technologies and Ubiquitous Impacts, edited by Maria Manuela Cruz-Cunha and Fernando Moreira, 157-174. Hershey, PA: IGI Global, 2011. https://doi.org/10.4018/978-1-60960-042-6.ch010

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Abstract

This chapter presents an adaptive Multicarrier Frequency Hopping Spread Spectrum (MCFH-SS) system employing proposed Quasi Cyclic Low Density Parity Check (QC-LDPC) codes instead of the conventional LDPC codes. A new technique for constructing the QC-LDPC codes based on row division method is proposed. The new codes offer more flexibility in terms of girth, code rates and codeword length. Moreover, a new scheme for channel prediction in MCFH-SS system is also proposed. The technique adaptively estimates the channel conditions and eliminates the need for the system to transmit a request message prior to transmitting the packet data. The proposed adaptive MCFH-SS system uses PN sequences to spread out frequency spectrum, reduce the power spectral density and minimize the jammer effects.

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