Polar coded multi-antenna multidimensional constellations in partially coherent channels
As one of the multiple-input-multiple-output (MIMO) techniques that work close to capacity, Hochwald and ten Brink proposed to send forward error correction (FEC) coded two-dimensional symbols from multiple antennas in each time slot and decode them using a maximum likelihood decoder. This can be generally considered as the transmission of multidimensional symbols in each time slot and here is referred to as multi-antenna multidimensional constellations (MMCs). Polar codes are a new class of forward error correction codes that benefit from simple rate matching and low complexity decoders, and therefore, facilitate the design of efficient systems. Due to the availability of partial channel state information at the receiver in time varying fading systems, the performance of uncoded MMCs can be improved by employing MMCs designed for partially coherent systems. However, the choice of the constellation in presence of FEC codes is of importance. In this paper, we propose the concatenation of the polar codes and MMC as a high-performance scheme for time varying fading systems. We further study different methods of design of the scheme in partially coherent systems and discuss the choice of the constellation.
|Conference||28th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017|
Khoshnevis, H. (Hossein), Marsland, I, & Yanikomeroglu, H. (2018). Polar coded multi-antenna multidimensional constellations in partially coherent channels. In IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC (pp. 1–6). doi:10.1109/PIMRC.2017.8292554