DMRS design and evaluation for 3GPP 5G new radio in a high speed train scenario

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This paper proposes demodulation reference signal (DMRS) designs for the 3GPP 5G New Radio (NR) high speed train scenario. Considering a carrier frequency of 30 GHz, each DMRS design specifies the density and location of the DMRS symbols in the frequency- and time-domains. The proposed DMRS design sets are intended to support accurate channel estimation in a very high mobility environment up to 500 km/h while limiting DMRS overhead to an acceptable level. Throughout extensive link-level simulations, it is shown that satisfactory block error rate (BLER) and spectrum efficiency performances can be achieved by using the proposed DMRS design sets even with severe Doppler shift/spread.
Publisher
Institute of Electrical and Electronics Engineers Inc.
Issue Date
2017-12
Language
English
Citation

2017 IEEE Global Communications Conference, GLOBECOM 2017, pp.1 - 6

DOI
10.1109/GLOCOM.2017.8254568
URI
http://hdl.handle.net/10203/310784
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