# Subchannel allocation for vehicle-to-vehicle broadcast communications in mode-3

@article{AbantoLeon2018SubchannelAF,
title={Subchannel allocation for vehicle-to-vehicle broadcast communications in mode-3},
author={Luis F. Abanto-Leon and Arie G. C. Koppelaar and Sonia M. Heemstra de Groot},
journal={2018 IEEE Wireless Communications and Networking Conference (WCNC)},
year={2018},
pages={1-6}
}
• Published 17 May 2018
• Computer Science, Engineering
• 2018 IEEE Wireless Communications and Networking Conference (WCNC)
Conversely to mainstream cellular networks where uplink / downlink data traffic is centrally managed by eN-odeBs, in vehicle-to-vehicle (V2V) broadcast communications mode-3 eNodeBs engage solely in subchannel assignment but ultimately do not intervene in data traffic control. Accordingly, vehicles communicate directly with their counterparts utilizing the allotted subchannels. Due to its loosely controlled one-to-all nature, V2V mode-3 is advantageous for time-critical applications…
7 Citations
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• Engineering, Computer Science
2018 IEEE 87th Vehicular Technology Conference (VTC Spring)
• 2018
This work proposes a three-stage suboptimal approach that is cast as multiple independent knapsack problems (MIKPs) and compares the two approaches through simulations and shows that the latter formulation can attain acceptable performance at lesser complexity.
Decentralized Subchannel Scheduling for C-V2X Mode-4: A Non-Standard Configuration for CAM Retransmissions
This work assumes the existence of a primary sub-band that supports semi-persistently reserved subchannels (as specified by 3GPP) and also considers that there exist auxiliary sub-bands that convey random re-transmissions in order to improve reception reliability.
Enhanced C-V2X Mode-4 Subchannel Selection
• Computer Science, Engineering
2018 IEEE 88th Vehicular Technology Conference (VTC-Fall)
• 2018
A nonlinear power averaging phase, where the most up-to-date measurements are assigned higher priority via exponential weighting is proposed, and it is shown through simulations that the overall system performance can be leveraged in both urban and freeway scenarios.
LTE-V2X Mode 3 scheduling based on adaptive spatial reuse of radio resources
• Computer Science
• 2021
The proposed scheduling scheme, referred to as DIRAC (aDaptive spatIal Reuse of rAdio resourCes), is validated analytically and its performance is evaluated through system level simulations and shows that it outperforms existing LTE-V2X Mode 3 and Mode 4 scheduling schemes and ensures a more scalable and stable network operation as the channel load and congestion increases.
Enhanced CV 2 X mode-4 subchannel selection
In Release 14, the 3rd Generation Partnership Project (3GPP) introduced Cellular Vehicle–to– Everything (C-V2X) mode-4 as a novel disruptive technology to support sidelink vehicular communications in
System Level Simulation of Scheduling Schemes for C-V2X Mode-3
• Engineering, Computer Science
• 2018
Through simulations, it is shown that the proposed schemes outperform C-V2X \textit{mode-4} as the subchannels are assigned in a more efficient manner with mitigated interference.
iVRLS: In-coverage Vehicular Reinforcement Learning Scheduler
• Computer Science
2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring)
• 2021
This paper proposes a reinforcement learning-based approach to scheduling V2V communications, called iVRLS, which delivers higher reliability than an enhanced version of a state-of-the-art benchmark algorithm in case of intermittent coverage conditions, while requiring less frequent scheduling.

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