The Optimal MMSE Transceiver Design for IoT-oriented Cognitive Radio Systems

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Vien Nguyen Duy Nhat; Tri Ngo Minh; Thanh Vu Van

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Journal Paper

Paper Information

Journal: JOURNAL OF ADVANCES IN COMPUTER ENGINEERING AND TECHNOLOGY Year:2019 | Volume:5 | Issue:3 Page(s): 161-168

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Title

The Optimal MMSE Transceiver Design for IoT-oriented Cognitive Radio Systems

Author(s)

Vien Nguyen Duy Nhat | Tri Ngo Minh | Thanh Vu Van | Issue Writer Certificate

Keywords

Internet of Things

Cognitive Radio

MMSE

Precoding

Interference Alignment

Abstract

This paper studies Interference Alignment scheme and minimum mean square error (MMSE) improvement in Internet of Things (IoT)-oriented cognitive systems, where IoT devices share the licensed spectrum by Cognitive Radio in spectrum underlay. Target to manage the intertier interference caused by cognitive spectrum sharing as well as ensure an MMSE at receivers, the Interference Alignment algorithms is proposed. In particular, we focus on the problem of designing the optimal linear pre-coding to minimize the total mean square error while satisfying transmit power constraints. Firstly, we introduce a system model of the downlink IoT-oriented cognitive multi-input multi-output (MIMO) system. Secondly, we propose an interference nulling based cognitive Interference Alignment scheme, and then, the pre-coding and post-coding matrix designs for the primary transceivers to minimum mean square error (MSE), as well as to eliminate the cochannel interference to the primary receivers. We also apply these Interference Alignment scheme and matrix designs for the secondary links. Finally, the numerical results are used to evaluate performance of the proposed algorithm.

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APA: Copy

Vien, Nguyen Duy Nhat, Tri, Ngo Minh, & Thanh, Vu Van. (2019). The Optimal MMSE Transceiver Design for IoT-oriented Cognitive Radio Systems. JOURNAL OF ADVANCES IN COMPUTER ENGINEERING AND TECHNOLOGY, 5(3), 161-168. SID. https://sid.ir/paper/719289/en

Vancouver: Copy

Vien Nguyen Duy Nhat, Tri Ngo Minh, Thanh Vu Van. The Optimal MMSE Transceiver Design for IoT-oriented Cognitive Radio Systems. JOURNAL OF ADVANCES IN COMPUTER ENGINEERING AND TECHNOLOGY[Internet]. 2019;5(3):161-168. Available from: https://sid.ir/paper/719289/en

IEEE: Copy

Nguyen Duy Nhat Vien, Ngo Minh Tri, and Vu Van Thanh, “The Optimal MMSE Transceiver Design for IoT-oriented Cognitive Radio Systems,” JOURNAL OF ADVANCES IN COMPUTER ENGINEERING AND TECHNOLOGY, vol. 5, no. 3, pp. 161–168, 2019, [Online]. Available: https://sid.ir/paper/719289/en

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