Czasopismo | PRZEGLĄD ELEKTROTECHNICZNY | Rocznik 2016 - zeszyt 5

A Scalable Soft Richardson Method for Detection in a Massive MIMO System

nr katalogowy: 98203

The exponential growth in traffic data transmission rates is outpacing current technologies. To overcome these barriers, we propose to use the modified Richardson method, which offers a lower number of iterations and an optimal scalability condition for parallel architecture. Research indicates that the convergence provided by the channel hardening effect offers a good performance in Richardson detection. We then show a simulation of the proposed detector that allows the iteration methods to be set in systems with a large number of antennas. Streszczenie. Metoda Richardsona został uz˙yta do rozwia˛zania problemu wzrostu wielkos´ci przesyłu danych. Metoda ta umoz˙liwia uz˙ycie mniejszej liczby iteracji i optymalizacje˛ skalowalnos´ci w architekturze równoległej. Przedstawiono symulacje wykazuja˛ca˛ z˙e zaproponowana detekcja umoz˙liwia iteracje˛ z duza˛ liczba˛ anten.(Skalowalna metoda Richardsona do detekcji w duz˙ych systemach MIMO) Keywords: soft Richardson method, massive MIMO systems, parallel signal detection, channel hardening Słowa kluczowe: metoda Richardsona, systemy MIMO, równoległa detekcja sygnałów Introduction The exponential growth of mobile services such as cloud computing, software defined by networks (SDN), the internet of things, and video-on-demand has increased the demand for high-speed data transmission in the next generation of communication standards. In this evolution, the infrastructure for the next standards of communication must be able to support a large number of antennas (more than 128) at the base station (BS) [1]. With so many antennas, massive multipleinput and multiple-output (MIMO) systems are recognized as a promising tool for the fifth generation (5G) of wireless data networks [2, 3]. The data transfer rates in such systems is getting near the theoretical limit. It made the researchers focus on new architectures and methods to handle this rapid data traffic growth. The multiplicity of mobile dev[...]

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