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Title: Breadth-first tree search MIMO signal detector design and VLSI implementation
Authors: Sizhong, C.
Tong, Z.
Yan, X. 
Issue Date: 2005
Citation: Sizhong, C.,Tong, Z.,Yan, X. (2005). Breadth-first tree search MIMO signal detector design and VLSI implementation. Proceedings - IEEE Military Communications Conference MILCOM 2005 : -. ScholarBank@NUS Repository.
Abstract: Efficient VLSI implementation of multiple-input multiple-output (MIMO) signal detectors plays an important role in the real-life MIMO communication systems. This paper presents a nonlinear MIMO detector design solution, called relaxed K-best detector, that can support efficient VLSI implementation, while maintaining good detection performance. To the best of our knowledge, this is the first nonlinear detector ever reported in the open literature, capable of supporting 4×4 MIMO transmission with 64 quadrature amplitude modulation (QAM). A soft-output relaxed K-best detector has been designed and synthesized using Synopsys with 0.18 μm CMOS technology. With the silicon area of 20 mm2, the detector can achieve up to 50 Mbps throughput for 4×4 MIMO with 64-QAM modulation. The detector can achieve almost the same performance as the detectors using the sphere decoding algorithm.
Source Title: Proceedings - IEEE Military Communications Conference MILCOM
ISBN: 0780393937
DOI: 10.1109/MILCOM.2005.1605884
Appears in Collections:Staff Publications

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