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Full-Duplex Communication in Cooperative Cognitive Radio Network

협력 인지 통신망에서의 전 이중 통신

  • Park, Sangwoo (School of Electrical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Song, Iickho (School of Electrical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Lee, Seungwon (School of Electrical Engineering, Korea Advanced Institute of Science and Technology)
  • Received : 2016.07.22
  • Accepted : 2016.08.16
  • Published : 2016.11.30

Abstract

In almost all schemes of cooperative cognitive radio networks (CCRN), the users transmit and receive signals in half-duplex mode. In this paper, a design of CCRN adopting the full-duplex (FD) technique is addressed. In order to enable FD communication among users in the CCRN, simultaneous transmitting and receiving antennas are employed for the secondary users. Preliminary results from analysis and numerical evaluation indicate that the proposed FD multiple-input-multiple-output CCRN framework can provide a performance gain over the conventional CCRN frameworks.

이제까지의 협력 인지 통신망에서는 쓰는 이들이 거의 대부분 서로 반 이중 방식으로 신호를 주고 받았다. 이 논문에서는 부 쓰는이들이 전 이중 통신 기술을 쓰는 협력 인지 통신망을 제안하고 그 성능을 간단히 살펴본다. 제안한 방식에서는 협력 인지 통신망의 부 쓰는이들이 동시 송수신 안테나를 쓰는 환경을 생각하여, 전 이중으로 통신할 수 있도록 하였다. 제안한 방식에서 이룰 수 있는 전송률을 해석적으로 얻고, 이제까지의 협력 인지 통신망보다 전송률 성능이 더 높다는 것을 수치적인 계산으로 보인다.

Keywords

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