Implementation of Beamformer and Gain Validation for Beam Alignment in MIMO 


Vol. 44,  No. 10, pp. 1975-1978, Oct.  2019
10.7840/kics.2019.44.10.1975


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  Abstract

This paper describes the implementation of analog beamformer which operates on 13.8 GHz carrier frequency using USRP(universal software radio peripheral). MIMO(multiple-input multiple-output) channel transceiver system is composed of two beamformer testbeds, which use identical ULA(uniform linear array) antennas. Transmit end sends signal modulated by OFDM(orthogonal frequency division multiplexing)/QPSK(quadrature phase shift keying), and receive end measures RSS(received signal strength) and EVM(error vector magnitude) during demodulation. This research compares and analyzes the RSS and EVM depending on whether beams are aligned or misaligned.

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  Cite this article

[IEEE Style]

J. Hong, Y. Song, H. Chung, J. Kang, S. Kim, "Implementation of Beamformer and Gain Validation for Beam Alignment in MIMO," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 10, pp. 1975-1978, 2019. DOI: 10.7840/kics.2019.44.10.1975.

[ACM Style]

Junyeol Hong, Yongmin Song, Hyeonjin Chung, Jungwan Kang, and Sunwoo Kim. 2019. Implementation of Beamformer and Gain Validation for Beam Alignment in MIMO. The Journal of Korean Institute of Communications and Information Sciences, 44, 10, (2019), 1975-1978. DOI: 10.7840/kics.2019.44.10.1975.

[KICS Style]

Junyeol Hong, Yongmin Song, Hyeonjin Chung, Jungwan Kang, Sunwoo Kim, "Implementation of Beamformer and Gain Validation for Beam Alignment in MIMO," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 10, pp. 1975-1978, 10. 2019. (https://doi.org/10.7840/kics.2019.44.10.1975)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880