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5G new radio uplink performance: Noise, interference and emission constraints

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Details

Original languageEnglish
Title of host publication2018 IEEE Wireless Communications and Networking Conference, WCNC 2018
PublisherIEEE
Pages1-6
Number of pages6
ISBN (Electronic)9781538617342
DOIs
Publication statusPublished - 8 Jun 2018
Publication typeA4 Article in a conference publication
EventIEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE -
Duration: 1 Jan 1900 → …

Publication series

Name
ISSN (Electronic)1558-2612

Conference

ConferenceIEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE
Period1/01/00 → …

Abstract

This paper investigates the 5G new radio (NR) uplink (UL) performance with CP-OFDM and DFT-s-OFDM based waveforms. The effects of highly non-linear PA behavior, inter-allocation interference, and UL multi-user MIMO on the relative performance of these waveforms are addressed. It is shown that with relaxed EVM and inband emission requirements for CP-OFDM, the coverage limited operation can be improved to achieve better link budget than DFT-s-OFDM based UL without performance penalty in the multi-user uplink. For high-throughput user equipment, the assumed highly non-linear PA behavior restricts the CP-OFDM based transmit power, which may limit the coverage compared to DFT-s-OFDM based waveform in UL without multi-user MIMO support. In UL multi-user MIMO scenario the CP-OFDM based waveform provides clearly better link performance and achieves better link budget than DFT-s-OFDM based waveform. Within the multi-user MIMO UL scenario, the requirement for substantially better PA linearity in high-throughput cases is also observed.

ASJC Scopus subject areas

Keywords

  • 5G new radio, CP-OFDM, DFT-s-OFDM, Link budget, Peak clipping, PHY layer, Power amplifier, Uplink coverage, WOLA

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