With the increase of welfare cost all over the developed world, there is a need to resort to new ... more With the increase of welfare cost all over the developed world, there is a need to resort to new technologies that could help reduce this enormous cost and provide some quality eldercare services. This paper presents a middleware-level solution that integrates monitoring and emergency detection solutions with networking solutions. The proposed system enables efficient integration between a variety of sensors and actuators deployed at home for emergency detection and provides a framework for creating and managing rescue teams willing to assist elders in case of emergency situations. A prototype of the proposed system was designed and implemented. Results were obtained from both computer simulations and a real-network testbed. These results show that the proposed system can help overcome some of the current problems and help reduce the enormous cost of eldercare service.
2011 IEEE Global Telecommunications Conference - GLOBECOM 2011, 2011
In the Evolved Packet System, service resiliency can be heavily impacted by a node failure in its... more In the Evolved Packet System, service resiliency can be heavily impacted by a node failure in its control plane. Ensuring service resiliency in EPS via defining efficient and proactive restoration mechanisms is of vital importance. In this paper, we address the case of MME failure. We propose schemes for MME failure detection and restoration considering both UEs in idle mode
2008 33rd IEEE Conference on Local Computer Networks (LCN), 2008
Page 1. On Supporting Handoff Management for Multi-Source Video Streaming in Mobile Communication... more Page 1. On Supporting Handoff Management for Multi-Source Video Streaming in Mobile Communication Systems Tarik Taleb∗, Tomoyuki Nakamura, and Kazuo Hashimoto Graduate School of Information Sciences, Tohoku University ∗talebtarik@ieee.org ...
2013 IEEE Global Communications Conference (GLOBECOM), 2013
ABSTRACT Whilst Machine Type Communication (MTC) represents an important business opportunity for... more ABSTRACT Whilst Machine Type Communication (MTC) represents an important business opportunity for mobile operators, mobile operators fear the congestion that could come with the deployment of billions/trillions of MTC devices. In this paper, we present a new mechanism that anticipates system overload due to MTC signaling messages in 3GPP networks. This mechanism proactively avoids system congestion by compacting the signaling message content for a group of MTC devices sharing redundant Information Elements (IE) by creating a profile ID for this group. Furthermore, along with this solution, we propose a dynamic grouping solution, which groups MTC devices with common subscription features in order to control the MTC signaling traffic when the network is overloaded. Simulation results show that compared to the Access Class Baring (ACB) mechanism, introduced by 3GPP, our proposed solution can avoid system overload without dropping MTC signaling messages, which is highly beneficial for MTC applications requiring service reliability.
With the increase of welfare cost all over the developed world, there is a need to resort to new ... more With the increase of welfare cost all over the developed world, there is a need to resort to new technologies that could help reduce this enormous cost and provide some quality eldercare services. This paper presents a middleware-level solution that integrates monitoring and emergency detection solutions with networking solutions. The proposed system enables efficient integration between a variety of sensors and actuators deployed at home for emergency detection and provides a framework for creating and managing rescue teams willing to assist elders in case of emergency situations. A prototype of the proposed system was designed and implemented. Results were obtained from both computer simulations and a real-network testbed. These results show that the proposed system can help overcome some of the current problems and help reduce the enormous cost of eldercare service.
2011 IEEE Global Telecommunications Conference - GLOBECOM 2011, 2011
In the Evolved Packet System, service resiliency can be heavily impacted by a node failure in its... more In the Evolved Packet System, service resiliency can be heavily impacted by a node failure in its control plane. Ensuring service resiliency in EPS via defining efficient and proactive restoration mechanisms is of vital importance. In this paper, we address the case of MME failure. We propose schemes for MME failure detection and restoration considering both UEs in idle mode
2008 33rd IEEE Conference on Local Computer Networks (LCN), 2008
Page 1. On Supporting Handoff Management for Multi-Source Video Streaming in Mobile Communication... more Page 1. On Supporting Handoff Management for Multi-Source Video Streaming in Mobile Communication Systems Tarik Taleb∗, Tomoyuki Nakamura, and Kazuo Hashimoto Graduate School of Information Sciences, Tohoku University ∗talebtarik@ieee.org ...
2013 IEEE Global Communications Conference (GLOBECOM), 2013
ABSTRACT Whilst Machine Type Communication (MTC) represents an important business opportunity for... more ABSTRACT Whilst Machine Type Communication (MTC) represents an important business opportunity for mobile operators, mobile operators fear the congestion that could come with the deployment of billions/trillions of MTC devices. In this paper, we present a new mechanism that anticipates system overload due to MTC signaling messages in 3GPP networks. This mechanism proactively avoids system congestion by compacting the signaling message content for a group of MTC devices sharing redundant Information Elements (IE) by creating a profile ID for this group. Furthermore, along with this solution, we propose a dynamic grouping solution, which groups MTC devices with common subscription features in order to control the MTC signaling traffic when the network is overloaded. Simulation results show that compared to the Access Class Baring (ACB) mechanism, introduced by 3GPP, our proposed solution can avoid system overload without dropping MTC signaling messages, which is highly beneficial for MTC applications requiring service reliability.
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