Abstract
We investigate the use of pipelining Tomlinson Harashima precoding (PIPTHP) for downlink multiple-input multiple-output (MIMO) systems. PIPTHP were previously analyzed in SISO systems but to our knowledge, implementation and analysis of PIPTHP in MIMO systems do not exist in the literature. Earlier studies have shown that PIPTHP technique can improve the BER performance and speed of the SISO systems. Here, the technique is extended to and analyzed in implementation for MIMO system. Furthermore, we develop and explore the idea of concatenated PIPTHP (C-PIPTHP) to improve the BER performance even more. The improved speed and bit error rate (BER) performance of C-PIPTHP are described in our simulation result. Our fast precoder can be implemented in 802.11 WLAN systems where MIMO has become the standard. We are also investigating an extension into multi-user (MU-) MIMO which is the technique of choice for the next generation of 802.11.
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Bamrungkitjaroen, T., Suksompong, P., Charoenlarpnopparut, C., Sripimanwat, K., Fukawa, K. (2012). Application of Pipelining Technique in Concatenated Tomlinson Harashima Precoder for Downlink MIMO Systems. In: Kim, JH., Lee, K., Tanaka, S., Park, SH. (eds) Advanced Methods, Techniques, and Applications in Modeling and Simulation. Proceedings in Information and Communications Technology, vol 4. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54216-2_20
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DOI: https://doi.org/10.1007/978-4-431-54216-2_20
Publisher Name: Springer, Tokyo
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