Quality of service evaluation in satellite systems

Tou, Ihsane; Gineste, Mathieu; Berthou, Pascal

doi:10.1109/iwssc.2008.4656767

Cited by 3 publications

(3 citation statements)

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“…The QoS issue should be dealt with addressing the diverse network layers and the QoS architecture, and assessing the application and network behaviour. In addition to classic QoS metrics [16], subjective metrics should also be introduced in order to evaluate the IP applications from a user point of view, such as PSNR (Peak Signal to Noise Ratio) and MOS (Mean Opinion Score) [28]. The data to be transmitted is characterized mainly in terms of bit rate, overhead, error rates (BER [Bit Error Rate], or PER [Packet Error Rate]), delay, jitter, average and maximum packet sizes.…”

Section: Qos Issuesmentioning

confidence: 99%

Satellite and Wireless Links Issues in Healthcare Monitoring

Kacimi

Pech²

2013

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Thanks to the facilities offered by telecommunications, telemedicine today allows physicians and clinicians to access, monitor and diagnose patients remotely. Telemedicine includes several applications such as remote monitoring of chronically ill patients, monitoring people in their everyday lives to provide early detection and intervention for various types of diseases, computer-assisted physical rehabilitation in ambulatory settings, and assisted living for the elderly at home. These new applications require a reliable, wireless communication link between the devices implanted in the patient's skin and a clinician. In this article, this issue is discussed and a list of performance criteria for the different communication links used is addressed, especially focusing on the satellite link.

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Section: Qos Issuesmentioning

confidence: 99%

Satellite and Wireless Links Issues in Healthcare Monitoring

Kacimi

Pech²

2013

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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“…This module is a post-processing module in charge of computing the transmission link performance mainly in terms of link availability, bit rate, error rates (BER or PER), delay, jitter, average and maximum packet sizes in order to characterize the application-level QoS, but also in terms of IP throughput, IP traffic characteristics (Tou et al, 2008) (inter-packet delay, IP delay variation, one way delay with maximum and minimum values, packet losses), and IP over frame efficiency over the DVB-S2 (in connection with the encapsulation overhead and the MODCODs selected, and more generally the implemented adaptive strategy), as well as in terms of attenuation prediction errors. Some performance figures related to VoIP over DVB-S2 links have been made available in recent studies , and could serve as a reference basis for the present project, in particular regarding a comparison between GSE and MPE/ULE encapsulation schemes.…”

Section: Extern Matlab Post-processing Modulementioning

confidence: 99%

Design and Simulation of a DVB-S2-like Adaptive Air interface Designed for Low Bit Rate Emergency Communications Satellite Link in Ku/Ka/Q/V Bands

Pech¹,

Robert²,

Duverdier³

et al. 2010

Satellite Communications

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“…Effectively, some measures realized on Ourses-Project [11] using a DVB-S2/RCS system using a Ka-Band link show that timeouts barely occur and TCP works finally most of the time as congestion avoidance instead of a slow start at the beginning of the connection.…”

Section: A a Fluid-flow Model Of Tcp Congestion Control Mechanismmentioning

confidence: 99%

Enhancing Multimedia Experience in Satellite Communication Systems with AQM-Based Traffic Controllers

Delpoux

Berthou

Gouaisbaut

et al. 2010

2010 Second International Conference on Advances in Satellite and Space Communications

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This paper deals with an algorithm of the Satellite Terminal, more precisely, it contributes to the Quality of Service management of the return link, a central problem in satellite network (compared to wire network) due to the satellite delay and the scare uplink resources. Instead of oversizing the connection, which could be very expensive, we aim at reaching an optimal exploitation of uplink resources. In order to solve this problem, we design a congestion control mechanism (an Active Queue Management). This mechanism is equivalent to a controller designed by using the Automatic methods. This article treats two different Active Queue Management strategies, a robust proportional integral and a robust dead time based controllers. These mechanisms are applied to an existing model of the Transmission Control Protocol for wire network that we adapt to the satellite network. The different methods are simulated on Network Simulator and compared to the DropTail mechanism.

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Quality of service evaluation in satellite systems

Cited by 3 publications

References 0 publications

Satellite and Wireless Links Issues in Healthcare Monitoring

Satellite and Wireless Links Issues in Healthcare Monitoring

Design and Simulation of a DVB-S2-like Adaptive Air interface Designed for Low Bit Rate Emergency Communications Satellite Link in Ku/Ka/Q/V Bands

Enhancing Multimedia Experience in Satellite Communication Systems with AQM-Based Traffic Controllers

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