A reliable communications architecture for real-time IP mobile applications

Authors:
J-Ch. Gregoire;Omneya Issa;Yacine Belala;James Wong
Affiliations:
INRS-EMT, 800, De La Gauchetiere O., Montreal, QC, H2V 1G7, Canada.;Advanced Video Systems, Broadcast Technologies, Communications Research Centre, 3701 Carling Avenue, P.O. Box 11490, Station H., Ottawa, ON, K2H 8S2, Canada.;SAP Labs Canada, 111 Duke Street, Suite 1500, Montreal, QC, H3C 2M1, Canada.;Videotron Limited, 150 Beaubien O., 6th Floor, Montreal, QC, H2V 1C4, Canada
Venue:
International Journal of Mobile Communications
Year:
2009

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Abstract

While the availability of a variety of wireless access technologies already provides users with ubiquitous access to critical content and applications, ensuring a satisfactory Quality of Service (QoS) and high availability further requires reliable delivery schemes that optimally use the available bandwidth. This paper presents a novel architecture to support adaptive real-time IP applications. It includes a layer of abstraction to isolate the application from the actual transport channels. It also uses a message-based protocol to improve communications reliability. Adaptation mechanisms are introduced and validated using a healthcare application. Experimental results are reported that demonstrate the viability of the approach.