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IEICE TRANSACTIONS on Communications

A DSP-Based Reconfigurable SDR Platform for 3G Systems

Gweon-Do JO, Min-Joung SHEEN, Seung-Hwan LEE, Kyoung-Rok CHO

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Summary :

As the code division multiple access (CDMA) based third generation cellular infrastructure requires high performance signal processing in a baseband modem, an application-specific integrated circuit or a field-programmable gate array has commonly been used for chip rate processing. In this paper, the use of digital signal processors (DSP) is explored for a cdma2000 and a wideband CDMA channel modem with the goal of increasing flexibility. The design concepts of the prototype software-defined radio platform we implemented to estimate the potential and feasibility of commercial SDR platforms are presented. We discuss the hardware and software architecture of the platform, considerations for reconfigurability, and the test results. We also address practical issues for real-time chip rate processing and optimization schemes of DSP software, and provide detailed measurement results of DSP performance.

Publication
IEICE TRANSACTIONS on Communications Vol.E88-B No.2 pp.678-686
Publication Date
2005/02/01
Publicized
Online ISSN
DOI
10.1093/ietcom/e88-b.2.678
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

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