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Title: Wireless Communication Using Real-Time Extensions to the Linux Network Subsystem
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Keywords: wireless communication
Real-time mobile applications
Issue Date: 2006
Citation: Barbara Hughes and Vinny Cahill, Wireless Communication Using Real-Time Extensions to the Linux Network Subsystem, Dept. of Computer Science Technical Report, TCD-CS-2006-57, 2006
Series/Report no.: Dept. of Computer Science Technical Report
Abstract: Timely wireless communication is essential to allow real-time mobile applications, e.g., communication between mobile robots and intervehicle communication to be realized. The current IEEE 802.11 ad hoc protocol is unable to provide real-time communication guarantees due to its underlying contention-based MAC layer. Our current research is addressing the implementation of a time-bounded MAC protocol as a layer above 802.11. The implementation of a timely MAC protocol requires predictable and deterministic behavior at the device driver level, currently unavailable in the Linux operating system. This paper describes real-time extensions to the Linux operating system to provide real-time guarantees at the device driver level. To our knowledge, we are the first to implement a real-time ORiNOCO driver for real-time Linux. In addition we provide a low-level evaluation of the timeliness of packet transmission achievable using IEEE 802.11.
Description: PUBLISHED
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Appears in Collections:Computer Science (Scholarly Publications)
Computer Science Technical Reports

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