Preemptive Scheduling of Latency Critical Traffic and its Impact on Mobile Broadband Performance

Klaus I. Pedersen; Guillermo Andrés Pocovi Gerardino; Jens Steiner

doi:10.1109/VTCSpring.2018.8417637

Preemptive Scheduling of Latency Critical Traffic and its Impact on Mobile Broadband Performance

Klaus I. Pedersen, Guillermo Andrés Pocovi Gerardino, Jens Steiner

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

20 Citations (Scopus)

417 Downloads (Pure)

Abstract

In this paper, we present an exhaustive system level analysis of using preemptive scheduling for latency critical traffic in coexistence with mobile broadband for the 3GPP 5G New Radio. Enhanced recovery and HARQ retransmission mechanisms exploiting base station a priori knowledge of punctured radio resources from using preemptive scheduling are proposed. It is demonstrated that a scheme with HARQ multi-bit feedback and selective retransmission of punctured resources is an attractive solution. Furthermore, the performance sensitivity from using either fully interleaved or frequency-first code block layouts is assessed. The impact on the mobile broadband performance is
evaluated at TCP-level, studying both the penalty on throughput and smoothened TCP round trip time to assess how preemptive scheduling affects the end-to-end performance of other traffic.

Original language	English
Title of host publication	2018 IEEE 87th Vehicular Technology Conference, VTC Spring 2018 - Proceedings
Number of pages	6
Publisher	IEEE
Publication date	Jun 2018
Pages	1-6
ISBN (Print)	978-1-5386-6356-1
ISBN (Electronic)	978-1-5386-6355-4
DOIs	https://doi.org/10.1109/VTCSpring.2018.8417637
Publication status	Published - Jun 2018
Event	IEEE Vehicular Technology Conference Spring 2018 - Porto, Portugal Duration: 3 Jun 2018 → 6 Jun 2018 http://www.ieeevtc.org/vtc2018spring/

Conference

Conference	IEEE Vehicular Technology Conference Spring 2018
Country/Territory	Portugal
City	Porto
Period	03/06/2018 → 06/06/2018
Internet address	http://www.ieeevtc.org/vtc2018spring/

Series	I E E E V T S Vehicular Technology Conference. Proceedings
ISSN	1550-2252

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10.1109/VTCSpring.2018.8417637

PreemptiveScheduling_Conf_Paper_v09Submitted manuscript, 1.15 MBLicence: Unspecified

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title = "Preemptive Scheduling of Latency Critical Traffic and its Impact on Mobile Broadband Performance",

abstract = "In this paper, we present an exhaustive system level analysis of using preemptive scheduling for latency critical traffic in coexistence with mobile broadband for the 3GPP 5G New Radio. Enhanced recovery and HARQ retransmission mechanisms exploiting base station a priori knowledge of punctured radio resources from using preemptive scheduling are proposed. It is demonstrated that a scheme with HARQ multi-bit feedback and selective retransmission of punctured resources is an attractive solution. Furthermore, the performance sensitivity from using either fully interleaved or frequency-first code block layouts is assessed. The impact on the mobile broadband performance isevaluated at TCP-level, studying both the penalty on throughput and smoothened TCP round trip time to assess how preemptive scheduling affects the end-to-end performance of other traffic. ",

author = "Pedersen, {Klaus I.} and Gerardino, {Guillermo Andr{\'e}s Pocovi} and Jens Steiner",

year = "2018",

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address = "United States",

note = "IEEE Vehicular Technology Conference Spring 2018 ; Conference date: 03-06-2018 Through 06-06-2018",

url = "http://www.ieeevtc.org/vtc2018spring/",

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Pedersen, KI, Gerardino, GAP & Steiner, J 2018, Preemptive Scheduling of Latency Critical Traffic and its Impact on Mobile Broadband Performance. in 2018 IEEE 87th Vehicular Technology Conference, VTC Spring 2018 - Proceedings. IEEE, I E E E V T S Vehicular Technology Conference. Proceedings, pp. 1-6, IEEE Vehicular Technology Conference Spring 2018, Porto, Portugal, 03/06/2018. https://doi.org/10.1109/VTCSpring.2018.8417637

Preemptive Scheduling of Latency Critical Traffic and its Impact on Mobile Broadband Performance. / Pedersen, Klaus I.; Gerardino, Guillermo Andrés Pocovi; Steiner, Jens.
2018 IEEE 87th Vehicular Technology Conference, VTC Spring 2018 - Proceedings. IEEE, 2018. p. 1-6 (I E E E V T S Vehicular Technology Conference. Proceedings).

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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AB - In this paper, we present an exhaustive system level analysis of using preemptive scheduling for latency critical traffic in coexistence with mobile broadband for the 3GPP 5G New Radio. Enhanced recovery and HARQ retransmission mechanisms exploiting base station a priori knowledge of punctured radio resources from using preemptive scheduling are proposed. It is demonstrated that a scheme with HARQ multi-bit feedback and selective retransmission of punctured resources is an attractive solution. Furthermore, the performance sensitivity from using either fully interleaved or frequency-first code block layouts is assessed. The impact on the mobile broadband performance isevaluated at TCP-level, studying both the penalty on throughput and smoothened TCP round trip time to assess how preemptive scheduling affects the end-to-end performance of other traffic.

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Preemptive Scheduling of Latency Critical Traffic and its Impact on Mobile Broadband Performance

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