An Adaptive Real-Time Intravehicle Network Protocol for Intelligent Vehicle Systems

Richardson, Paul; Elkateeb, Ali; Sieh, L.

doi:10.1109/tvt.2004.833616

Cited by 8 publications

(9 citation statements)

References 27 publications

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“…Therefore, all the periodic messages will be repeated in 60 transmission frames. There are many optimizing algorithms in scheduling [3,5]. Here, the minimal E is chosen as the evaluation function for scheduling the periodic messages, in order that more empty space can be left for transmission of aperiodic / sporadic messages.…”

Section: Auv Transmission Modelmentioning

confidence: 99%

“…Richardson introduced an adaptive real-time network protocol (ARTNP) to handle the arrival, sporadic, or aperiodic messages. ARTNP is an efficient approach in handling with the transient surge in network loading [5]. The time-triggered protocol (TTP) architecture supports reliable and fault-tolerant operations by providing optional redundant components, but its primary drawback is inflexible and inefficient as compared to CAN [6,7].…”

Section: Introductionmentioning

confidence: 99%

“…These periodic messages must be transmitted in certain intervals. Failure to reasonably schedule the transmission message for these periodic messages can result in the late delivery of time sensitive messages and damage to the system [4,5]. In AUV applications, all the messages have fixed length.…”

Section: Introductionmentioning

confidence: 99%

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Communication Scheduling for CAN bus Autonomous Underwater Vehicles

Liu

Gao

Yi-lin

et al. 2006

2006 International Conference on Mechatronics and Automation

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The electronic control units (ECUs) are more modular in autonomous underwater vehicles (AUVs). The controller area network (CAN) is selected as the underlying networks in AUVs, because of the modularity, safety, and availability in the fields of distributed real-time systems. CAN is based on the broadcast communication mechanism. Every message has a message identifier, which is unique within the whole network since it defines content and the priority of the message. Bus access conflicts are resolved by bit-wise arbitration of the identifiers, which makes the node with the highest priority message holds the bus access and all the other competitors automatically become receivers of the message. This paper introduces an approach of message transmission scheduling for CAN-bus AUV. The objective is to provide the real-time transmission of periodic messages and guarantee low message latency times for messages including periodic, aperiodic and sporadic messages. Finally, an example of message transmission scheduling is presented for AUV.

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Section: Auv Transmission Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Communication Scheduling for CAN bus Autonomous Underwater Vehicles

Liu

Gao

Yi-lin

et al. 2006

2006 International Conference on Mechatronics and Automation

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“…Several research and industrial studies have addressed inter and intravehicle communications [2][3][4][5][6]. Most of them are interested in safety security issues, traffi c congestion predictions and data traffi c relaying through the multihop mobile ad hoc network formed by the vehicles.…”

Section: Introductionmentioning

confidence: 99%

An adaptive resource reservation for vehicular mobile networks

Hamida¹,

Boukhatem²

2008

Int J Network Mgmt

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SUMMARYThis paper presents the time-based bandwidth reservation (TBR) algorithm, suitable for handoff management in cellular systems. TBR is based on real-time measurements of mobile stations (position, velocity and acceleration). The scheme consists in sending reservation requests to the neighboring cells based on an extrapolation of the user's motion. The originality of our approach lies in dynamically adjusting the amount of time for which bandwidth has to be allocated and reserved in a cell. In addition, we propose an optimal channel requests arrangement (CRA) algorithm in order to improve the performance of TBR in terms of resource utilization. Finally, we propose VTBR, an adapted and extended version of TBR for better support of vehicular network specifi cities where service degradation or forced call termination may occur owing to frequent handoffs. Detailed simulation results for TBR and VTBR schemes and a comparison with the guard channel scheme are presented. The results show that TBR and VTBR can effi ciently improve the fl ow dropping probability.

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“…In [13], the authors propose the use of optimal dynamic priority assignment approaches for CAN-based real-time networks. The use of dynamic priorities to improve the ability to efficiently handle time-critical message transmissions is proposed in [14] and [15]. In [14], adaptive real-time network protocol (ARTNP) is proposed as an effective method for handling sporadic message traffic and transient overload conditions by estimating network state and dynamically adjusting message priorities based on estimates of network state.…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of a Real-Time Control Network Test Bed in a Linux-Based System With Sporadic Message Arrivals

Richardson

Xiang

Ab-Rahman

2006

IEEE Trans. Ind. Inf.

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This paper describes the results from a real-time network test bed for a Linux-based control system with event-driven message traffic. Interest has grown in the use of Linux as a cost-effective alternative to expensive proprietary real-time operating systems. However, kernel tasks in Linux can cause random delays in message transmissions. Event-driven traffic can result in unpredictable message inter-arrival rates. Nondeterministic delays in message transmissions and sporadic message arrival times complicate the design of the network as they require the use of an estimation technique to analyze feasibility. Random temporal behavior can lead to network overloads, where it becomes unavoidable that some messages will be late. We discuss the design and feasibility analysis for the network and evaluate the network's performance in the presence of random kernel delay and sporadic message arrivals. Three message scheduling approaches are evaluated using different Linux configurations at different levels of network loading.

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An Adaptive Real-Time Intravehicle Network Protocol for Intelligent Vehicle Systems

Cited by 8 publications

References 27 publications

Communication Scheduling for CAN bus Autonomous Underwater Vehicles

Communication Scheduling for CAN bus Autonomous Underwater Vehicles

An adaptive resource reservation for vehicular mobile networks

Performance Analysis of a Real-Time Control Network Test Bed in a Linux-Based System With Sporadic Message Arrivals

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