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Adjacent Channel Interference Aware Joint Scheduling and Power Control for V2V Broadcast Communication
Combitech, Sweden.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.
Chalmers Univ Technol, Sweden.
Chalmers Univ Technol, Sweden.
2021 (English)In: IEEE transactions on intelligent transportation systems (Print), ISSN 1524-9050, E-ISSN 1558-0016, Vol. 22, no 1, p. 443-456Article in journal (Refereed) Published
Abstract [en]

This paper proposes scheduling and power control schemes to mitigate the impact of both co-channel interference (CCI) and adjacent channel interference (ACI) on direct vehicle-to-vehicle broadcast communication. The objective is to maximize the number of vehicles that can communicate with the prescribed requirement on latency and reliability. The joint scheduling and power control problem is formulated as a mixed Boolean linear programming (MBLP) problem. A column generation method is proposed to reduce the computational complexity of the joint problem. From the joint problem, we formulate a scheduling-alone problem (given a power allocation) as a Boolean linear programming (BLP) problem and a power control-alone problem (given a schedule) as an MBLP problem. The scheduling problem is numerically sensitive due to the high dynamic range of channel values and adjacent channel interference ratio (ACIR) values. Therefore, a novel sensitivity reduction technique, which can compute a numerically stable optimal solution at the price of increased computational complexity, is proposed. Numerical results show that ACI, just as CCI, is a serious problem in direct vehicle-to-vehicle (V2V) communication due to near-far situations and hence should not be ignored, and its impact can be reduced by proper scheduling and power control.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2021. Vol. 22, no 1, p. 443-456
Keywords [en]
Power control; Transmitters; Processor scheduling; Dynamic scheduling; Time-frequency analysis; Interchannel interference; Vehicle-to-vehicle (V2V); adjacent channel interference (ACI); ACI ratio (ACIR); RRM; scheduling; power control
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-172943DOI: 10.1109/TITS.2020.2968526ISI: 000603489200035OAI: oai:DiVA.org:liu-172943DiVA, id: diva2:1522764
Note

Funding Agencies|H2020 Project 5GCAR - EU

Available from: 2021-01-26 Created: 2021-01-26 Last updated: 2021-01-26

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Output format
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