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Full Frequency Diversity Codes for Single Input Single Output Systems

Summary: Full Frequency Diversity Codes for
Single Input Single Output Systems
Enis Akay and Ender Ayanoglu
Center for Pervasive Communications and Computing
Department of Electrical Engineering and Computer Science
The Henry Samueli School of Engineering
University of California, Irvine
Irvine, California 92697-2625
Email: eakay@uci.edu ayanoglu@uci.edu
Abstract-- Due to the severe conditions of wireless channels,
it is crucial for wireless systems to accommodate some sort
of diversity to achieve reliable communication. Different types
of diversity techniques such as temporal, frequency, code, and
spatial have been developed in the literature. In addition to
the destructive multipath nature of wireless channels, frequency
selective channels pose intersymbol interference (ISI) while
offering frequency diversity for successfully designed systems.
Orthogonal frequency division multiplexing (OFDM) has been
shown to fight ISI very well by converting the frequency selective
channel into parallel flat fading channels. On the other hand,


Source: Ayanoglu, Ender - Department of Electrical and Computer Engineering, University of California, Irvine


Collections: Engineering