Analysis of packet networks having contention-based reservation with application to GPRS

Daigle, John N.; Magalhães, Marcos Nascimento

doi:10.1109/tnet.2003.815298

Cited by 18 publications

(9 citation statements)

References 27 publications

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“…In our study, the probability of a successful contention depends upon the total number of contenders simultaneously transmitting their requests and is governed by the capture model presented in [15][16][17], which specifies the probability of success as a function of the number of contenders (an example is given in Table 2). …”

Section: Capturementioning

confidence: 99%

A new bandwidth allocation mechanism for next generation wireless cellular networks

2008

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In this paper we design and study the performance of a Medium Access Control (MAC) scheme for the multiplexing and the integrated delivery of voice, mobile messaging, IP, gaming and H.264 videoconference traffic over a high-speed cellular TDMA channel with errors and capture. To the best of our knowledge, this is one of the first papers in the literature investigating the integration of actual H.264 video traces and gaming traffic with other types of traffic over wireless networks. Our results show that the proposed scheme achieves high throughput results while preserving the strict Quality of Service (QoS) requirements of each traffic type, and outperforms two efficient schemes previously proposed in the literature.

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Section: Capturementioning

confidence: 99%

A new bandwidth allocation mechanism for next generation wireless cellular networks

2008

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“…It is probable that the request packet with the stronger signal will be successfully received (captured) by the BS [14]. In our study, the probability of a successful contention in each request minislot depends upon the total number of contenders choosing the minislot in question and is governed by the capture model presented in [15], which specifies the probability of success as a function of the number of contenders (an example is given in Table 3). In the event that a success occurs when more than one terminal transmit in the same slot, the successful terminal is chosen at random among the contenders, in our simulation.…”

Section: Capturementioning

confidence: 99%

Resource Allocation for High Quality H.264 Streams Integrated with Web and MP3 Traffic over High-Speed Cellular Networks with Capture

Koutsakis

2007

2007 16th International Conference on Computer Communications and Networks

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In this paper we explore, via an extensive simulation study, the performance of a Medium Access Control (MAC) protocol when integrating high-quality video, web and MP3 data packet traffic over a wireless picocellular system of very high capacity, with errors and capture. Mobile terminals are considered to be high performance devices with extended storage capabilities which can act like cache memories streaming multimedia material. To the best of our knowledge, this is one of the first papers in the literature investigating the integration of H.264 video traffic with other types of traffic over wireless networks. Our results show that, despite the very bursty nature of the examined traffic and the burstiness of channel errors, the proposed scheme achieves very high throughput results while preserving the strict Quality of Service (QoS) requirements of each traffic type.

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“…Several MAC protocols [3], [4], [5], [6], [7] have been proposed in wireless sensor networks (WSNs). And several MAC protocols [8], [9], [10], [11], [12] have been proposed specially to address these QoS issues, namely to support service differentiation. However, they have not addressed the multimodality issues in this application case.…”

Section: Introductionmentioning

confidence: 99%

App-MAC: An Application-Aware Event-Oriented MAC Protocol for Multimodality Wireless Sensor Networks

Shi

2008

IEEE Trans. Veh. Technol.

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Abstract-Urban target recognition at intersection using multimodality wireless sensor networks is very promising in reducing accidents by detecting unusual events in real time. To provide alarm signal about the incoming car to the pedestrian using sound, or notify the car driver about the pedestrian using infrastructure-to-vehicle communication, the deployed sensor system collects the sense data from multimodality sensor nodes, performs data fusion, and conducts reactions to avoid imminent accident. To address the problem, we design and implement App-MAC to support prioritized event delivery, provide interevent and intra-event fairness, improve the performance of channel utilization, and reduce energy consumption. App-MAC leverages the advantages of contention-based and reservation-based MAC protocols to coordinate the channel access, and propose channel contention and reservation algorithms to adaptively allocate the time slots according to application requirements and current events status. To evaluate App-MAC, we have conducted simulations through TOSSIM simulator and empirical studies using Berkeley TelosB motes with target recognition events, and compared with three state-of-the-art MAC protocols, i.e., S-MAC, TDMA, and TRAMA, in terms of the proposed performance metrics, namely average event delivery latency, event and sensor fairness index, channel utilization efficiency, and energy consumption efficiency. We found that App-MAC outperforms other protocols tremendously in this application scenario.

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Analysis of packet networks having contention-based reservation with application to GPRS

Cited by 18 publications

References 27 publications

A new bandwidth allocation mechanism for next generation wireless cellular networks

A new bandwidth allocation mechanism for next generation wireless cellular networks

Resource Allocation for High Quality H.264 Streams Integrated with Web and MP3 Traffic over High-Speed Cellular Networks with Capture

App-MAC: An Application-Aware Event-Oriented MAC Protocol for Multimodality Wireless Sensor Networks

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