NDLI: Polyphase channelizer as bandpass filters in multi-standard Software Defined Radios

Content Provider	IEEE Xplore Digital Library
Author	Awan, M.-u.-R. Koch, P.
Copyright Year	2009
Description	Author affiliation: Center for Software Defined Radio, Department of Electronic Systems, Aalborg University, Denmark (Awan, M.-u.-R.; Koch, P.)
Abstract	The aim of this work is to design efficient bandpass filters for multistandard software defined radios. Software Defined Radio (SDR) based applications which demand high sampling rate to eleminate the most of the analog components require high-performance technology and digital signal processing methods to handle and process the high sample rate data. State of the art technology such as FPGAs can support several hundred MHz of I/O data transfer rate. The internal hardware architecture, however, would limit the maximum operating frequency of the design. An alternative is therefore to use advanced DSP methods to overcome this bottleneck. Polyphase channelizers having spectral shifter to move the filter position are used in a scenario of dual standard (WLAN and UMTS) SDR receiver for the bandpass filtering. It will not only split the data in multiple paths to reduce the per arm data rate but the filter also operates at lower rate than the input sample frequency. Furthermore it can also eleminate the need of IQ demodulator.
Starting Page	59
Ending Page	63
File Size	537975
Page Count	5
File Format	PDF
ISBN	9781424445820
DOI	10.1109/COGART.2009.5167234
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-18
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN Signal sampling 3G mobile communication Digital signal processing Frequency Band pass filters Hardware Application software Field programmable gate arrays Software radio
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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