본 논문에서는 SCA 기반 무선통신환경에 적합한 코바 미들웨어의 확장에 대해 기술한다. 제안한 미들웨어 확장은 모든 컴포넌트가 컴포넌트의 구현 방식에 대한 고려없이 상호 연동될 수 있도록 보장하며 기존 방식에 비해 성능 개선이 가능하다. 이러한 미들웨어 확장은 HAO와 IDL2VHDL 컴파일러, 그리고 ORBit의 개선을 포함한다. HAO는 FPGA 환경을 고려하여 로직수준에서 개발된 ORB이며, FPGA의 특성에 따라 일부 기능은 제한되었다. 추가로, IDL2VHDL 컴파일러는 CORBA IDL로부터 하드웨어 기술언어인 VHDL로의 매핑과 추가의 절차들을 제공한다. 마지막으로, ORBit는 HAO와 직접 연동할 수 있도록 개선된 GPP상의 코바 ORB이다.
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