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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/4822

Title: A Systolic Array RLS Processor
Authors: Asai, T.
Matsumoto, T.
Issue Date: 2000-05
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Magazine name: IEEE 51st Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo.
Volume: 3
Start page: 2247
End page: 2251
DOI: 10.1109/VETECS.2000.851672
Abstract: This paper describes the outline of the systolic array recursive least-squares (RLS) processor that we developed primarily with the aim of broadband mobile communication applications. To perform the RLS algorithm effectively, this processor uses an orthogonal triangularization technique known in matrix algebra as QR decomposition for parallel pipelined processing. The processor board is comprised of 19 application-specific integrated circuit chips, each having approximately one million gates. 32-bit fixed point signal processing takes place in the processor, with which one cycle of internal cell signal processing requires about 500 nsec, and boundary cell signal processing about 80 nsec. The processor board can estimate up to 10 parameters and takes approximate 35 μs to estimate 10 parameters by using 41 known symbols. To evaluate this processor, we conduct minimum mean-squared error adaptive array in-lab experiments using a complex baseband fading/array response simulator. In terms of parameter estimation accuracy, the processor is found to produce virtually the same results as a conventional software engine using floating-point operations
Rights: Copyright (c)2000 IEEE. Reprinted from IEEE 51st Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of JAIST's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
URI: http://hdl.handle.net/10119/4822
Material Type: publisher
Appears in Collections:b11-1. 会議発表論文・発表資料 (Conference Papers)

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