Iterative adaptive signaling for wideband wireless channels

Dennis L. Goeckel; William E. Ryan; Pinar Oermeci

doi:10.1117/12.394099

26 July 2000 Iterative adaptive signaling for wideband wireless channels

Dennis L. Goeckel, William E. Ryan, Pinar Oermeci

Proceedings Volume 4045, Digital Wireless Communication II; (2000) https://doi.org/10.1117/12.394099
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

The realization of highly bandwidth-efficient wireless communications over frequency-selective multipath fading channels will be one of the key enabling technologies for future high-speed communication systems that offer ubiquitous access to information. Such bandwidth-efficient communication over broadband wireless channels can be accomplished by a number of different coding, modulation, and framing strategies; in particular, (1) the system can employ a single-carrier or a multicarrier framework, (2) the system can employ adaptive or non-adaptive signaling techniques, and (3) the system can employ iterative or traditional non-iterative decoding. The goal of this ongoing project is to understand the similarities, differences, and applicability of these various techniques in high-speed wireless communications. Such as investigation services not only the specific system design goals here but also aids in the consideration of a number of open issues in the communication theory literature, such as the applicability of adaptive techniques in systems that employ iterative decoding and the robustness to channel uncertainty of iterative single-carrier techniques typically employed in magnetic recording. In this paper, preliminary numerical results from this study are presented for various logical combinations of the aforementioned strategies motivated by previous work of the authors. These numerical results, combined with a complexity and delay analysis of the various receivers, allows the comparison and contrast of the aforementioned techniques for various applications.

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Dennis L. Goeckel, William E. Ryan, and Pinar Oermeci "Iterative adaptive signaling for wideband wireless channels", Proc. SPIE 4045, Digital Wireless Communication II, (26 July 2000); https://doi.org/10.1117/12.394099

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KEYWORDS

Telecommunications

Receivers

Wireless communications

Modulation

Transmitters

Detection theory

Computer programming

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