Cooperative data transmission in wireless vehicular networks

Marczak, A.

doi:10.1109/itst.2017.7972233

Cited by 2 publications

(1 citation statement)

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“…In the co-transmission mode, the cooperating node and the transmitting end form a virtual cluster through synchronization, and then transmit the same piece of data with less power, to save power. There have been many documents [17][18][19][20] using these two methods to improve the performance of network transmission. In terms of the mobility management mechanism, the studies [21][22][23][24] propose the cooperative mechanisms at the network layer.…”

Section: Cooperative Assistance Delivery Mechanismmentioning

confidence: 99%

Cooperation-Assisted Spectrum Handover Mechanism in Vehicular Ad Hoc Networks

Chuang

2021

Electronics

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This paper proposes a cooperation-assisted spectrum handover (CASH) scheme in vehicular ad hoc networks (VANETs). In CASH, each vehicle uses cognitive radio technology to collect the surrounding spectrum information, computes the stability of the spectrum, exchanges neighbor information by vehicle-to-vehicle collaboration technology, and then executes a partial prescan mechanism to reduce the handover delay. The proposed method can improve the spectrum utilization, shorten the delay time of the spectrum handover, and reduce the total number of handovers. Finally, the simulation results show that the proposed method outperforms other existing schemes. In spectrum utilization, CASH is about 20% better than that of the traditional full scan method. In average scan time, the time of CASH is about 5 times less than the time of the traditional full scan method. In total number of handovers, CASH improves the performance of the full scan scheme by 33%.

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