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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 4/2017

03.11.2016

Hardware Efficient Modified K-Best Symbol Detection Algorithm for Wireless MIMO Systems

verfasst von: A. Shirly Edward, S. Malarvizhi

Erschienen in: Wireless Personal Communications | Ausgabe 4/2017

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Abstract

This paper presents a novel tree-search based modified K-best algorithm and its hardware structure for spatially multiplexed wireless multiple-input multiple-output systems. The aim is to modify the existing K-best detection algorithm and to address the challenge involved in sorting of the path metrics to improve the suitability for hardware implementation while maintaining the BER performance. The proposed modified K-best algorithm results in reduction of 24% in path metric computations and the VLSI implementation of the modified K-best detector has been done for different antenna configurations and different constellations. Novel hardware architecture was proposed and the hardware complexity analysis was done. The proposed tree-search based modified K-best detector implemented on Xilinx Virtex 5 FPGA, targeting 4 × 4 antenna configuration with 16 QAM, achieves a constant throughput of 1 Gbps.
Vorheriger Artikel Secure Channel Allocation Approach for Video Streaming in Cognitive Radio Networks
Nächster Artikel User Path Prediction Based Key Caching and Authentication Mechanism for Broadband Wireless Networks

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Metadaten
Titel
Hardware Efficient Modified K-Best Symbol Detection Algorithm for Wireless MIMO Systems
verfasst von
A. Shirly Edward
S. Malarvizhi
Publikationsdatum
03.11.2016
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 4/2017
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-016-3857-9

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