Wireless networks based on high-altitude platforms for the provision of integrated navigation/communication services

Avagnina, D.; Dovis, Fabio; Ghiglione, A.; Mulassano, Paolo

doi:10.1109/35.983918

Cited by 47 publications

(15 citation statements)

References 5 publications

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“…Audio/video-streaming, software distribution, audio/video conference, distributed games, distance education, marketing news, electronic communication systems [15]. This resolution paves the way to studies about UMTS service provisioning by means of HAPs [16]. The cited paper gives interesting indication on how this integration of HAPs into 3G systems can be done; other interesting information can be found in [17].…”

Section: Introductionmentioning

confidence: 95%

The Role of HAPs in Supporting Multimedia Broadcast and Multicast Services in Terrestrial-Satellite Integrated Systems

Araniti

Iera

Molinaro

2005

Wireless Pers Commun

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New-generation telecommunications systems are expected to meet the rising user exigencies of mobility and ubiquitous access to multimedia services. As a consequence, 3GPP consortium has introduced the Multimedia Broadcast and Multicast Service (MBMS) concept into 3G/beyond-3G networks. Supporting MBMS in next generation hybrid wireless platforms becomes a challenging issue due to high traffic load deriving from both signaling message exchange and data transmission between multicast sources (BM-SC) and end users. Therefore, in this context, key research issues are surely: effective exploitation of the limited radio spectrums available, coordination of users accessing radio resources, as well as provisioning of desired QoS guarantees. Given the high mobility profiles typical of UMTS users, it clearly appears that the cited target performance can only be achieved through networking solutions based on an overlapped terrestrial-HAP-satellite coverage. An inter-working scenario where HAPs operate in synergy with the UMTS terrestrial and satellite segments seems to be the most promising solution to provide mobile users with MBMS services. Our work, dealing with architectural design options, takes into account many metrics relevant to aspects, such as: frequency allocation, costs in terms of resource utilization, signaling traffic load, number and location of customers, reliability, possible retransmission paths, user mobility, and QoS.

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Section: Introductionmentioning

confidence: 95%

The Role of HAPs in Supporting Multimedia Broadcast and Multicast Services in Terrestrial-Satellite Integrated Systems

Araniti

Iera

Molinaro

2005

Wireless Pers Commun

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“…The possibility of employing flying platforms in the stratosphere has been recently proposed as a valid alternative to traditional terrestrial or satellitebased infrastructure for the design of future generation communication systems. Stratospheric airplanes are more reliable, and several projects are addressing the design of telecommunication networks based on the use of manned and unmanned aerial vehicles [1][2][3][4]. Mobility on demand, large coverage, and payload re-configuration are only some examples of the expected benefits for personal communications systems based on the use of such platforms.…”

Section: Introductionmentioning

confidence: 99%

Integrated Services on High Altitude Platform: Receiver Driven Smart Selection of HAP-Geo Satellite Wireless Access Segment and Performance Evaluation

Rango

Tropea

Marano

2006

Int J Wireless Inf Networks

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A renewed interest in the development of high-altitude platforms (HAPs), which are stratospheric aircraft or airship carrying payloads tailored for a wide range of applications in telecommunications and remote sensing, is becoming progressively widespread. HAPs offer a reduced propagation delay and they are especially suitable for interactive multimedia services. In this paper, the inter-working between HAP and satellite segments in an integrated QoS architecture has been addressed. A new way to manage integrated services over a new hybrid wireless platform has been proposed. A smart terminal device has been considered in order to perform an intelligent switching on the wireless access segment. The switching criteria applied in the HAP/satellite architecture is based on the available bandwidth and on the admissible data packet end-to-end delay. Performance evaluations of the integrated HAP-satellite platform have been evaluated in terms of bandwidth utilization and number of admitted calls. The simulations show an improvement of admitted calls, reduced data packet end-to-end delay and increased bandwidth utilization.

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“…earthquake, flood, volcano eruption). In a disaster scenario, HAPs can provide immediate coverage of the disaster area for both communication and monitoring applications (Antonini et al 2003;Avagnina et al 2002;Grace et al 2001). Table 1 summarizes a comparison between terrestrial, HAP and satellite delivery for a generic broadband service.…”

Section: Introductionmentioning

confidence: 99%

Low multipath antennas for GNSS-based attitude determination systems applied to high-altitude platforms

et al. 2007

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High-altitude platforms (HAPs) are a flexible and attractive technology for providing innovative wireless services. These aerial platforms can be successfully employed for mobile or broadband communications and for disaster monitoring or response. However, one of the open issues is whether HAP stations can provide reliable services without temporal outages owing to stratospheric winds that can cause positional and attitude instabilities thus affecting the communication system operation. To counteract this issue, one possible solution is to use reconfigurable antennas whose pointing direction can be adjusted depending on the platform spatial orientation. However, this would require real-time three-axial attitude data. As a possible solution, this paper will review the potential of GNSS-based attitude determination systems with reference to HAP stations. In particular, it will be shown how the use of a particular class of low multipath and lightweight antennas can provide a high degree of accuracy without altering the avionic ballast.

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Wireless networks based on high-altitude platforms for the provision of integrated navigation/communication services

Cited by 47 publications

References 5 publications

The Role of HAPs in Supporting Multimedia Broadcast and Multicast Services in Terrestrial-Satellite Integrated Systems

The Role of HAPs in Supporting Multimedia Broadcast and Multicast Services in Terrestrial-Satellite Integrated Systems

Integrated Services on High Altitude Platform: Receiver Driven Smart Selection of HAP-Geo Satellite Wireless Access Segment and Performance Evaluation

Low multipath antennas for GNSS-based attitude determination systems applied to high-altitude platforms

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