Scalable rate control for video transmission over UMTS

Alexiou, Antonios; Bouras, Christos; Igglesis, Vaggelis

doi:10.1002/dac.867

Cited by 6 publications

(3 citation statements)

References 15 publications

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“…However, they covered different aspects, such as downlink transmissions [6,8], older wireless technologies [6,7,8], TCP traffic [12], and/or simulation or test bed results [11,13]. Some of the ideas in these papers such as performance evaluation may be similar to our work, but there are significant differences.…”

Section: Introductionmentioning

confidence: 89%

A Design of Experiment (DOE) Analysis of the Performance of Uplink Real-Time Traffic over a 3G Network

Goulart

Zhan

2008

2008 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications

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The bandwidth and reliability of the reverse link (or uplink) as the performance metrics of real-time traffic are studied in this paper. A two-level full factorial Design of Experiment (DOE) was conducted to identify the impact on the bandwidth and reliability of four factors: packet size, data streaming rate, time of the day, and buffer size in a real network environment. Two extreme cases for each factor were tested and statistical analysis is performed to characterize how different factors and their interactions may affect the bandwidth and reliability. The importance of this study is illustrated in the optimal channel selection mechanism where appropriate packet size, data streaming rate and buffer size can be chosen to achieve the best result.

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Section: Introductionmentioning

confidence: 89%

A Design of Experiment (DOE) Analysis of the Performance of Uplink Real-Time Traffic over a 3G Network

Goulart

Zhan

2008

2008 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications

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“…This network supports wireless devices with and can seamlessly interoperate in more than one wireless technology. A good example is the combination of the universal mobile telecommunication system (UMTS) network and IEEE 802.11‐based vehicular ad hoc network (VANET) to produce a more robust network in terms of speed and coverage area.…”

Section: Introductionmentioning

confidence: 99%

Simplified gateway selection scheme for multihop relay in vehicular ad hoc network

Alawi

Saeed

Hassan

et al. 2013

Int J Communication

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SUMMARYIntegrating vehicular ad hoc network (VANET) and universal mobile telecommunication system (UMTS) could be a promising architecture for future machine-to-machine applications. This integration can help vehicles have steady Internet connection through the UMTS network and in communicating with other vehicles. However, dead spot areas and unsuccessful handoff processes caused by the high speed of vehicles can disrupt the implementation of this kind of architecture. In this paper, a new simplified gateway selection (SGS) scheme for multihop relay in a VANET-UMTS integration network is proposed. The proposed scheme extends the coverage or/and calming of the frequent handoff process and allows vehicles to continue to be connected to the UMTS infrastructure network. An integrated simulation environment that combines VanetMobiSim and NS2 is used to simulate and evaluate the proposed scheme. The simulation results show that the SGS scheme performed better when it was implemented with ad hoc on a demand distance vector routing and destination-sequenced distance vector routing protocols. Furthermore, the SGS scheme is compared with other cluster-based gateway selections used in the previous works. The results show that our SGS scheme outperforms other cluster-based gateway selections scheme in terms of selection delay, control packet overhead, packet delivery ratio, and overall throughput.

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“…There are several studies on the performance of realtime applications over 3G systems. However, they covered different aspects, such as downlink transmissions [5,7], older wireless technologies [5,6,7], TCP traffic [8], simulation, or test bed results [9,10]. Some of the ideas in those papers such as performance evaluation may be similar to what we are trying to do, but there are significant differences.…”

Section: Introductionmentioning

confidence: 99%

Statistical Analysis of Broadband Wireless Links in Rural Areas

Zhan¹,

Goulart

2009

JCM

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Third-generation (3G) cellular systems are often considered as a promising strategy for high-speed internet deployment in rural areas. However, bandwidth in 3G systems is a limited resource and can be quite different from the advertised bandwidth. In addition, in wireless applications such as voice over IP, video-conference, remote monitoring and telemetry (e.g., for healthcare applications) the Quality of Service (QoS) is critical. It is therefore important to understand how different factors affect the QoS requirements of real-time applications. Focusing on the reverse link (or uplink), we performed an assessment of the bandwidth and packet loss rate in a real network environment, using test data collected with two wireless data cards from different providers, in both rural and urban locations. The main contribution of this paper is the presentation of a formal statistical method – a Design of Experiments (DOE) analysis - that can be used to analyze the interactions between different variables, such as packet size, location, buffer size, and wireless provider. With a better understanding of the impact of such factors and their interactions, the end-user may be able to make the best selection of certain controllable parameters, in an effort to improve the QoS of the 3G connection. This is especially important for users located in rural areas, where cellular coverage is limited.

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Scalable rate control for video transmission over UMTS

Cited by 6 publications

References 15 publications

A Design of Experiment (DOE) Analysis of the Performance of Uplink Real-Time Traffic over a 3G Network

A Design of Experiment (DOE) Analysis of the Performance of Uplink Real-Time Traffic over a 3G Network

Simplified gateway selection scheme for multihop relay in vehicular ad hoc network

Statistical Analysis of Broadband Wireless Links in Rural Areas

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