基于UFMC系统的叠加认知无线电

2019 6th International Conference on Electrical and Electronics Engineering (ICEEE) Pub Date : 2019-04-01 DOI:10.1109/ICEEE2019.2019.00044

A. Abdou, Firas Koali, A. Abdo, Ali Jamoos

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引用次数: 1

摘要

本文研究了一种由初级宏基站和认知小基站组成的重叠认知无线电(CR)。我们建议研究一种CR，其中主用户(PU)使用正交频分复用(OFDM)，而辅助用户(SU)基于通用滤波多载波(UFMC)。我们推导了在PU接收器上由于SU引起的干扰表达式。然后，我们提出了零强迫波束形成/块对角化(ZFBF/BD)技术来消除干扰。最后，通过与基于OFDM系统的CR对PU和SU的对比研究，验证了所提方案的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Overlay Cognitive Radio Based on UFMC System

In this paper, we consider an overlay cognitive radio (CR) consisting of a primary macro-cell and cognitive small cells of cooperative secondary base stations (SBS). We suggest studying a CR where an orthogonal frequency division multiplexing (OFDM) is used for the primary users (PU) whereas the secondary users (SU) are based on universal filtered multicarrier (UFMC). We derive the interference expression due to SU at the PU receiver. Then, we propose to use zero forcing beamforming/block diagonalization (ZFBF/BD) technique to cancel the interference. At the end, a comparative study with CR based on OFDM systems for both the PU and the SU confirms the efficiency of the proposed scheme.

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2019 6th International Conference on Electrical and Electronics Engineering (ICEEE)

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