Journal
2020 34TH INTERNATIONAL CONFERENCE ON INFORMATION NETWORKING (ICOIN 2020)
Volume -, Issue -, Pages 814-817Publisher
IEEE
DOI: 10.1109/icoin48656.2020.9016621
Keywords
5G; Wireless Backhaul; OFDM
Funding
- Cross-Ministry Giga KOREA Project - Korea government(MSIT) [GK19N0600]
- Institute for Information & Communication Technology Planning & Evaluation (IITP), Republic of Korea [GK19N0600] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In order to provide backhaul link wirelessly for emerging convergence services, we develop an OFDM-based backhaul system operating in the E-band channel. Firstly, we make our own backhaul specification considering the E band channel in which the proposed backhaul system operates, where LDPC, 1024-QAM and 2-stream transmission using dual polarizations are adopted. Based on the specification, we simulate the PER performance on AWGN and modified 3GPP channel environment respectively and implement the backhaul system on FPGA (Xilinx Virtex UltraScale xcvu440). To compensate the RF impairments, several baseband signal processing techniques such as phase tracking, IQ balancing and XPIC are used. The backhaul system we develop can support up to 25Gbps throughputin a 2GHz channel bandwidth.
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