During 2011-2012 I was a Newton International Fellow (NIF), funded by the British Academy and the Royal Society. NIFs are grants for early stage post-doctoral researchers from all over the world that offer support for up two years at a UK research institution. The name of my research project was “Fundamental limits of bit-interleaved coded modulation”.
Bandwidth is a limited resource in modern communication systems, and to make the most efficient use of it, one needs to combine coding and modulation. Bit-interleaved coded modulation (BICM) is the newest design paradigm of bandwidth-efficient communication systems. Despite not being fully understood theoretically, BICM has been rapidly adopted in commercial systems such as wireless and wired broadband access networks, 3G telephony, ultrawideband transceivers, and digital video broadcasting. It will also be the de facto choice for most, if not all, future telecommunications standards. When analyzing communication systems, we are often interested in the channel capacity, the maximum transmission rate of the system. We will study this fundamental limit for BICM hence improving the theoretical understanding of BICM. We will then use this knowledge to improve current BICM designs, and also to propose new designs for future communication standards.
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