Publication Details

Popovski, K., Wysocki, T. A. & Wysocki, B. J. (2008). Truncated hyperbolic mapping for non-binary turbo coding in UWB. 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications proceedings.com: Institute of Electrical and Electronics Engineers.


The combination of user multiplexing and data encoding within Ultra Wideband systems has been proposed to improve bit error performance. Relative to conventional binary coding, this technique has shown to reduce error rates in scarcely populated systems. Where non-binary turbo coding modulates data to form an integer sequence, a random mapping is generally applied to develop a time hopping sequence. This paper explores the possibility of mapping through the application of truncated hyperbolic congruence codes. Comparative results against a random mapping indicate an improvement in system performance for higher turbo iteration levels in the receiver. Transceiver architecture is based upon the transmitter side equalization approach of time reversed communications.

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