Transmission of wireless backhaul signal in a cellular system with small moving cells
Hyoung-Keon Kim, Yong-Suk Byun, Geon-Woong Jung and 1 more
EURASIP Journal on Wireless Communications and Networking · 2019
doi:10.1186/s13638-019-1551-9 (opens in a new tab)
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Abstract
Abstract Deployment of small moving cells (SMCs) has been considered in advanced cellular systems, where wireless backhaul links are required between base stations and SMCs. In this paper, we consider signal transmission by means of multiuser beamforming in the wireless backhaul link. We generate the beam weight in an eigen-direction of weighted combination of short- and long-term channel information of the backhaul link. The beam weight can maximize the average signal-to-leakage-plus-noise ratio (SLNR), while providing the transmission robust to SMC mobility. We analyze the performance of the proposed scheme in terms of the average signal-to-interference-plus-noise ratio (SINR) and optimize the transmit power by iterative water-filling. Finally, we verify the performance of the proposed scheme by computer simulation.
Abstract licence: CC BY-NC-ND
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