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Software Radios: Unifying the Reconfiguration Process over Heterogeneous Platforms

Abstract

Future radio transceivers supporting the software radio concept will provide increased features for radio access networks. However, the reconfiguration of radio equipment requires the existence of an architecture, a common framework, which allows the flexible management of software running on radio processors. Such a framework must take into account the heterogeneity of hardware devices and platforms for radio applications. Since the flexibility has a cost in terms of added overhead, a conceptually simple but efficient structure that allows powerful mechanisms to develop and deploy software radio applications is required. This paper describes our approach, the reasons that motivated it, and some implementation issues. The proposed framework is essentially based on four items: an abstraction layer which hides any platform-dependent issue, a simple time-driven software structure, a delimited interface format for software blocks which does not actually constrain communication, and a global time-reference mechanism to guarantee real-time behaviour.

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Correspondence to Xavier Revés.

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Revés, X., Gelonch, A., Marojevic, V. et al. Software Radios: Unifying the Reconfiguration Process over Heterogeneous Platforms. EURASIP J. Adv. Signal Process. 2005, 158343 (2005). https://doi.org/10.1155/ASP.2005.2626

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Keywords and phrases:

  • software (-defined) radio
  • reconfiguration
  • flexible radio
  • software abstraction layer (middleware)
  • hardware abstraction layer
  • radio execution environment