Antenna Placement Designs for Distributed Antenna Systems with Multiple-Antenna Ports 


Vol. 37,  No. 10, pp. 865-875, Oct.  2012


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  Abstract

In this paper, we optimize antenna locations for a distributed antenna system (DAS) with distributed antenna (DA) ports equipped with multiple antennas under per-DA port power constraint. Maximum ratio transmission and scaled zero-forcing beamforming are employed for single-user and multi-user DAS, respectively. Instead of maximizing the cell average ergodic sum rate, we focus on a lower bound of the expected signal-to-noise ratio (SNR) for the single-cell scenario and the expected signal-to-leakage ratio (SLR) for the two-cell scenario to determine antenna locations. For the single-cell case, optimization of the SNR criterion generates a closed form solution in comparison to conventional iterative algorithms. Also, a gradient ascent algorithm is proposed to solve the SLR criterion for the two-cell scenario. Simulation results show that DAS with antenna locations obtained from the proposed algorithms achieve capacity gains over traditional centralized antenna systems.

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  Cite this article

[IEEE Style]

C. Lee, E. Park, I. Lee, "Antenna Placement Designs for Distributed Antenna Systems with Multiple-Antenna Ports," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 10, pp. 865-875, 2012. DOI: .

[ACM Style]

Changhee Lee, Eunsung Park, and Inkyu Lee. 2012. Antenna Placement Designs for Distributed Antenna Systems with Multiple-Antenna Ports. The Journal of Korean Institute of Communications and Information Sciences, 37, 10, (2012), 865-875. DOI: .

[KICS Style]

Changhee Lee, Eunsung Park, Inkyu Lee, "Antenna Placement Designs for Distributed Antenna Systems with Multiple-Antenna Ports," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 10, pp. 865-875, 10. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880