Modelling and optimising TinyTP over IrDA stacks
Anthony C. Boucouvalas,Pi Huang +1 more
TL;DR: A mathematical model for TinyTP over the IrDA protocol stacks taking into account the presence of bit errors is presented and four major parameters are optimised for maximum throughput including TinyTP receiver window, IrLap window and frame size, as well as IrLAP turnaround time.
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Abstract: TinyTP is the IrDA transport layer protocol for indoor infrared communications. For the first time, this paper presents a mathematical model for TinyTP over the IrDA protocol stacks taking into account the presence of bit errors. Based on this model, we carry out a comprehensive optimisation study to improve system performance at the transport layer. Four major parameters are optimised for maximum throughput including TinyTP receiver window, IrLAP window and frame size, as well as IrLAP turnaround time. Equations are derived for the optimum IrLAP window and frame sizes. Numerical results show that the system throughput is significantly improved by implementing the optimised parameters. The major contribution of this work is the modelling of TinyTP including the low-layer protocols and optimisation of the overall throughput by appropriate parameter selection.
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Citations
A review of communication-oriented optical wireless systems
Deva K. Borah,Anthony C. Boucouvalas,Christopher C. Davis,Steve Hranilovic,Konstantinos Yiannopoulos +4 more
TL;DR: This article presents an overview of optical wireless communication systems that operate both in the short- (personal and indoor systems) and the long-range (outdoor and hybrid) regimes, and concludes with hybrid optical wireless/radio-frequency (OW/RF) systems that employ an additional RF link to improve the overall system reliability.
WLC10-3: IrSimple Modeling and Performance Evaluation for High-Speed Infrared Communications
Alam Mohammad Shah,Shawkat Shamim Ara,Gontaro Kitazumi,Mitsuji Matsumoto +3 more
- 01 Nov 2006
TL;DR: A mathematical model is provided with which a simple equation for IrSimple throughput efficiency is derived and it is revealed that IrSimple protocol scales well for use with high data rates compared to the existing OBEX protocol.
6
Link-layer buffering requirements and optimization of Gb/s infrared enabled devices
TL;DR: The analysis shows that it is possible to optimize the link-layer window and frame size in order to achieve maximum efficiency for any given buffer size and link configuration, and the model is utilized to establish the buffer size that is required to achieve acceptable efficiencies for a broad range of standardized infrared link and link-Layer protocol configurations.
3
References
IrDA: past, present and future
TL;DR: IrDA's communications model is discussed, which charts the evolution of the IrDA-Data (1.x) platform architecture, and the early applications and application services now in common Use.
110
Optimization of IrDA IrLAP link access protocol
V. Vitsas,Anthony C. Boucouvalas +1 more
TL;DR: A protocol improvement that utilizes special supervisory frames to pass transmission control is proposed to deal with delays introduced by F-timer expiration and results indicate that employing the special S frame highly improves throughput performance when optimum window and frame-size values are implemented.
Performance modelling of the IrDA infrared wireless communications protocol
TL;DR: A performance analysis of the Infrared Data Association (IrDA) IR data communications protocol is presented using a mathematical throughput model based on the virtual transmission time of uni-directional IrDA data packets.
Simultaneous optimisation of window and frame size for maximum throughput IrDA links
V. Vitsas,Anthony C. Boucouvalas +1 more
TL;DR: A protocol improvement that utilises special supervisory frames (S-frames) to pass transmission control is proposed that results in maximum throughput performance when both optimal window and frame size values are implemented.
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