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

Content Provider	Springer Nature Link
Author	Shirly Edward, A. Malarvizhi, S.
Copyright Year	2016
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.
Starting Page	2633
Ending Page	2644
Page Count	12
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	94
Issue Number	4
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2016-11-03
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multiple-input multiple-output (MIMO) FPGA Spatial multiplexing Tree-search Partial Euclidean distance Symbol detector Communications Engineering, Networks Signal,Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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