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Practical Non-Uniform Channelization for Multistandard Base Stations

Palomo Navarro, Alvaro and Villing, Rudi and Farrell, Ronan J. (2011) Practical Non-Uniform Channelization for Multistandard Base Stations. ZTE Communications, 9 (4). pp. 115-24. ISSN 1673-5188

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Abstract

A Multistandard software-defined radio base station must perform non-uniform channelization of multiplexed frequency bands. Non-uniform channelization accounts for a significant portion of the digital signal processing workload in the base station receiver and can be difficult to realize in a physical implementation. In non-uniform channelization methods based on generalized DFT filter banks, large prototype filter orders are a significant issue for implementation. In this paper, a multistage filter design is applied to two different non-uniform generalized DFT-based channelizers in order to reduce their filter orders. To evaluate the approach, a TETRA and TEDS base station is used. Experimental results show that the new multistage design reduces both the number of coefficients and operations and leads to a more feasible design and practical physical implementation.

Item Type: Article
Additional Information: The final and definitive version of this article has been published at www.zte.com.cn/magazine/English.
Keywords: Non-Uniform Channelization; Multistandard; Base Radio Stations; multistage filter design;
Subjects: Science & Engineering > Electronic Engineering
Item ID: 3950
Depositing User: Rudi Villing
Date Deposited: 23 Oct 2012 15:06
Journal or Publication Title: ZTE Communications
Publisher: ZTE
Refereed: Yes
URI:

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