A Tree-Structured Non-Uniform Filter Bank for Multi-Standard Wireless Receivers

被引：4
|
作者：
Mahesh, R. [1 ]
Vinod, A. P. [1 ]
Tan, B. Y. [1 ]
K-Lai, Edmund M. [2 ]
机构：
[1] Nanyang Technol Univ, Sch Comp Engn, Nanyang Ave, Singapore, Singapore
[2] Massey Univ, Sch Engn & Adv Technol, Palmerston North, New Zealand
来源：
ISCAS: 2009 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-5 | 2009年
关键词：
BASE-STATIONS;
D O I：
10.1109/ISCAS.2009.5117723
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new approach to implement computationally efficient reconfigurable filter banks for multi-standard wireless receivers is presented in this paper. Based on the concepts of tree-structured quadrature mirror filter bank (TQMFB) and coefficient decimation approach, a reconfigurable and efficient tree-structured non-uniform filter bank (TNFB) is proposed in this paper. The proposed filter bank is designed to extract channels of non-uniform bandwidths with reduced complexity when compared to TQMFB. Each stage of the proposed filter bank consists of a modal filter and a complementary delay to obtain the low-pass and high-pass channels respectively. Design examples show that the proposed TNFB offers an average multiplication rate reduction of 69% over the TQMFB.
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页码：213 / +
页数：2
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