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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 and UEs in active mode...
Available doorbell interphone systems are designed under the assumption that residents would be at home to enable the communication between them and their visitors. However, people spend a large fraction of their time away from home, thus undermining the basic assumptions of existing doorbell solutions. Recent developments in 3GPP Home Node B (HNB or Femtocell) and home gateway technologies, along...
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