TY - GEN

T1 - Context-aware middleware architecture for vertical handover support to multi-homed nomadic mobile services

AU - Pawar, Pravin

AU - Maret, Pierre

AU - Wac, Katarzyna

AU - Van Halteren, Aart

AU - Van Beijnum, Bert Jan

AU - Hermens, Hermie

PY - 2008/12/1

Y1 - 2008/12/1

N2 - To accommodate the requirements such as high usability and personalization of 4G (mobile) networks, conventional handheld single network-interface mobile devices are evolving into multi-homed devices. Moreover, owing to the recent advances in the mobile middleware technologies, hardware technologies and association with the human user, handheld mobile devices are evolving into data producers and in turn acting as Nomadic Mobile Service (NMS) providers. For these devices, a vertical handover support is essential for the improved and reliable NMS delivery. Also, the fulfillment of the required QoS by the NMS is bounded by the end-to-end QoS (e2eQoS) provided by the underlying heterogeneous networks. To deal with these aspects, we propose a context-aware middleware architecture supporting vertical handover for the NMSs hosted on the handheld mobile devices. We emphasize the following features of the proposed middleware: 1) Context-aware computing based approach which uses an extensive set of context information collected from the mobile device and a fixed network; 2) Provisioning of and interaction with the end-to-end QoS (e2eQoS) predictions context source in the fixed network to obtain near-accurate estimation of the e2eQoS at a certain geographic location and to reduce unnecessary power usage in searching for available networks.

AB - To accommodate the requirements such as high usability and personalization of 4G (mobile) networks, conventional handheld single network-interface mobile devices are evolving into multi-homed devices. Moreover, owing to the recent advances in the mobile middleware technologies, hardware technologies and association with the human user, handheld mobile devices are evolving into data producers and in turn acting as Nomadic Mobile Service (NMS) providers. For these devices, a vertical handover support is essential for the improved and reliable NMS delivery. Also, the fulfillment of the required QoS by the NMS is bounded by the end-to-end QoS (e2eQoS) provided by the underlying heterogeneous networks. To deal with these aspects, we propose a context-aware middleware architecture supporting vertical handover for the NMSs hosted on the handheld mobile devices. We emphasize the following features of the proposed middleware: 1) Context-aware computing based approach which uses an extensive set of context information collected from the mobile device and a fixed network; 2) Provisioning of and interaction with the end-to-end QoS (e2eQoS) predictions context source in the fixed network to obtain near-accurate estimation of the e2eQoS at a certain geographic location and to reduce unnecessary power usage in searching for available networks.

KW - Context-aware computing

KW - End-to-end QoS

KW - M-health services

KW - Multi-homing

KW - Nomadic mobile services

KW - Vertical handover

UR - http://www.scopus.com/inward/record.url?scp=56749184904&partnerID=8YFLogxK

U2 - 10.1145/1363686.1363806

DO - 10.1145/1363686.1363806

M3 - Article in proceedings

AN - SCOPUS:56749184904

SN - 9781595937537

T3 - Proceedings of the ACM Symposium on Applied Computing

SP - 481

EP - 488

BT - Proceedings of the 23rd Annual ACM Symposium on Applied Computing, SAC'08

T2 - 23rd Annual ACM Symposium on Applied Computing, SAC'08

Y2 - 16 March 2008 through 20 March 2008

ER -