WEIRD - Real Use Cases and Applications for the WiMAX Technology

Mignanti, Silvano; Castellano, M.; Augusti, V.; Martufi, G.; Neves, Pedro; Mambretti, Cinzia; Andreotti, Fausto

doi:10.1109/ccnc08.2007.219

Cited by 5 publications

(7 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The WEIRD system design ( Figure 2) was based on state-of-theart technologies and ongoing standardization processes and aims to be a part of a full multidomain network architecture, allowing fixed and mobile access. Designed to offer solutions not only for volcano monitoring but also for other emergency scenarios like fire prevention and tele-medicine (Mignanti et al 2008), the WEIRD system aims to enhance WiMAX technology. It takes into account the guidelines of IEEE 802.16d, IEEE 802.16e, and WiMAX Forum (WiMAX Forum 2009) but adds important features, especially with respect to end-toend control plane and QoS resource control and management.…”

Section: The Weird Systemmentioning

confidence: 99%

Using WiMAX to Improve Volcano Monitoring during an Emergency: A Feasibility Study of the WEIRD System Applied to the Campi Flegrei Volcanic Area Scenario (Southern Italy)

Castrucci

Castellano

Bianco

et al. 2009

Seismological Research Letters

View full text Add to dashboard Cite

Section: The Weird Systemmentioning

confidence: 99%

Using WiMAX to Improve Volcano Monitoring during an Emergency: A Feasibility Study of the WEIRD System Applied to the Campi Flegrei Volcanic Area Scenario (Southern Italy)

Castrucci

Castellano

Bianco

et al. 2009

Seismological Research Letters

View full text Add to dashboard Cite

“…Several research works and projects have demonstrated that WiMAX is a good candidate, among the existing wireless networks and notably Wi-Fi which is the reference industrial model, to support audio broadcasting [3][4][5][6][7]. While [3] and [4] are particularly focused on QoS (Quality of Service) support and improvements, [5,6,7] are focused on performance evaluation of resource allocation mechanisms and mobile access.…”

mentioning

confidence: 98%

“…While [3] and [4] are particularly focused on QoS (Quality of Service) support and improvements, [5,6,7] are focused on performance evaluation of resource allocation mechanisms and mobile access.…”

mentioning

confidence: 99%

A WiMAX Physical Layer Use for Emergency Audio Communications

Fourty

Val

Wei

2009

2009 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications

View full text Add to dashboard Cite

Placed in the context of emergency communication situations, where all network infrastructures are totally down, the audio communication is required in the first hours. This paper presents a new WiMAX PHY layer model used to determine thresholds for modulation profile switching in order to enhance the communication robustness or throughput. The model used in this paper is our implemented WiMAX model using Adaptive Modulation and Coding (AMC) schemes. Two channel models and two WiMAX modulation profiles are studied using two different audio samples. The simulation results obtained and confirmed by listening experiments, have demonstrated that the audio quality is improved in terms of perceived noise. Thus, the new criterion using WiMAX radio is well suited for emergency communications.The last decades have been marked by more and more destructive and frequent climatic events. This kind of disaster can cause both important material damage, and difficult humanitarian situations. In the most important disaster case, it is often difficult to offer a coordinated and effective emergency service in the first hours because most of the time, all networks and infrastructures are totally down. The emergency aid success then relies on the quick reaction of human emergency services and their coordination by a telecommunication network for their effectiveness.In major disaster cases a voice communication is expected. First, the emergency centre (or crisis cell) needs the voice communication for the immediate coordination to save lives and material. Then, most of emergency coordination communications use a vocal medium for its highly comprehensive features and the small bandwidth requirements. Consequently, reliable and mobile communications are crucial for emergency services but another parameter is the range of communications. The WiMAX network seems promising to handle these issues. Designed for metropolitan access, this technology enables wide range communication up to 60km. Moreover its PHY and MAC layers are particularly well adapted to support both several quality of services adapted for a multi-user use and a high level of mobility. Moreover the most recently approved version 802.16-2004 [1], enables us to have a comprehensive reading of the standard incorporating previous versions and amendments. The last amendment 802.16e-2005 [2] released on February 2006, offers a modification of Physical (PHY) and Medium Access

show abstract

“…É importante ressaltar que fotodiodos do tipo avalanche (Avalanche Photodiode -APD) não são aplicados em sistemas RoF devido ao grande ruído gerado durante o processo de fotodetecção, o que pode distorcer o sinal, afetando o desempenho do sistema de comunicação. Sistemas RoF podem ser aplicados em soluções de última milha, expansão da área de cobertura, redução de regiões de sombra, distribuição de sinais Wi-Fi em ambientes indoor e outdoor [17,18,23], interconexão de ERBs e na distribuição de internet banda larga sem-fio [17,[25][26][27][28][29], figura 2.2.…”

Section: Arquitetura E Aplicaçõesunclassified

“…Algumas aplicações da tecnologia RoF incluem a implementação de redes de sensores sem-fio [23], distribuição de redes Wi-Fi em ambientes indoor e outdoor [24], redes WiMAX [25][26][27][28][29] e radioastronomia [30][31][32]. Entretanto, a área que mais movimenta o mercado de sistemas RoF é a de telefonia móvel com freqüências de até 6 GHz.…”

Section: Introductionunclassified

Implementação e análise de desempenho de sistemas rádio sobre fibra em redes WSN e Wi-Fi

Lona¹,

Hernandez-Figueroa²

View full text Add to dashboard Cite

Primeiramente, agradeço a Deus por todas as oportunidades de ensinamento em minha vida. A sabedoria é um grande presente e devemos sempre ser gratos pelos desafios e superações que vivemos diariamente.Agradeço a minha família, minha mãe Carmen e meu pai Flávio, que sempre me educaram com muito carinho e me ensinaram os verdadeiros valores da vida.Agradeço a minha namorada, Juliana, por todo o apoio, carinho e atenção nesta fase tão importante de nossas vidas. Ju, você é um anjo que está na minha vida e sempre irei te amar e respeitar. Te amo! Agradeço ao Prof. Hugo Enrique Hernández Figueroa pela oportunidade de trabalhar com os renomados grupos do FOTONICOM e CePOF na elaboração de diversas pesquisas, principalmente com as fibras de cristais fotônicos. Forte abraço Prof. Hugo!

show abstract

WEIRD - Real Use Cases and Applications for the WiMAX Technology

Cited by 5 publications

References 2 publications

Using WiMAX to Improve Volcano Monitoring during an Emergency: A Feasibility Study of the WEIRD System Applied to the Campi Flegrei Volcanic Area Scenario (Southern Italy)

Using WiMAX to Improve Volcano Monitoring during an Emergency: A Feasibility Study of the WEIRD System Applied to the Campi Flegrei Volcanic Area Scenario (Southern Italy)

A WiMAX Physical Layer Use for Emergency Audio Communications

Implementação e análise de desempenho de sistemas rádio sobre fibra em redes WSN e Wi-Fi

Contact Info

Product

Resources

About