A low-area flexible MIMO detector for WiFi/WiMAX standards

Authors:
Nariman Moezzi-Madani;Thorlindur Thorolfsson;William Rhett Davis
Affiliations:
North Carolina State University, Raleigh;North Carolina State University, Raleigh;North Carolina State University, Raleigh
Venue:
Proceedings of the Conference on Design, Automation and Test in Europe
Year:
2010

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Abstract

MIMO wireless technology is required to increase the data rates for a broad range of applications, including low cost mobile devices. In this paper we present a very low area reconfigurable MIMO detector which achieves a high throughput of 103Mbps and uses 27 Kilo Gates when implemented in a commercial 180nm CMOS process. The low area is achieved by the proposed in-place architecture. This architecture implements the K-best algorithm and reduces area 4-fold compared to the widely used multi-stage architecture, while provides reconfigurability in terms of antenna configuration during real-time operation.