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Performance of Space-Time Block Coding and Space-Time Trellis Coding for Impulse Radio

Héliot, F, Ghavami, M and Nakhai, MR (2004) Performance of Space-Time Block Coding and Space-Time Trellis Coding for Impulse Radio

Performance_of_Space-Time_Block_coding_and_Space-Time_Trellis_coding_for_Impulse_Radio.pdf - Published Version

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Ultra wideband (UWB) systems have attracted a lot of research interest lately, owing to their appealing features in short-range mobile communications. These features include low power peer-to-peer transmissions, multiple access communications, high data rates, and precise positioning capabilities. Space-time coding (STC) techniques, such as the block coding scheme, or the trellis coding scheme, are known to be simple and practical ways to increase the spectral efficiency in wireless communications. We aim to combine a pulse position modulation (PPM) impulse radio multiple access (IRMA) system with two different space-time coding techniques. Thus, we developed a space-time block code scheme and adapted a space-time trellis code scheme to UWB signalling, relying on the channel state information (CSI) at the receiver side. Then the added diversity produced by these techniques is exploited to enhance the performance of UWB systems. Analysis is conducted in a typical UWB environment, with fractionally-spaced (FS) coherent RAKE detection.

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Depositing User: Fabien Heliot
Date Deposited: 17 Nov 2010 13:23
Last Modified: 23 Sep 2013 18:39

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