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In this paper, a distributed ant colony system (DACS) based on large scale wireless sensor is proposed. The algorithm aims to solve the problem of large scale data transmission in wireless sensor networks from three aspects of the operational efficiency, energy balance and network congestion. The algorithm can optimize the transmission time and provide a more optimal capacity allocation scheme for...
Network virtualization has emerged as a powerful and flexible platform for future network. A major challenge is virtual network embedding problem that deals with efficiently mapping of virtual nodes and virtual links onto substrate network resources. However, resource quantity requested by virtual network service is related to time and revenue, which is not concerned by existing researches, resulting...
This paper presents a novel customer QoE improvement method. The method which aims at satisfying the customer demand, shields the heterogeneous networks making the impact on the operation support capacity in the converged network environment. Based on the method, through extracting, packaging and proposing the OSS service enabler-OSE, the OSE proposing platform is built on managing the customer service...
Nowadays configuration parameters about network and service in intelligent terminals are getting more complex. Faults and security risks in the terminal are increasing. These have become key holdbacks for usage of services. So it is necessary to manage the terminals to keep them normal and promote satisfaction from customer. OMA and 3GPP have done researches about management of terminals. But there...
Operating and maintenance for femto network is becoming one of the main challenges for telecommunication operators as the femto base station (BS) is indoor, portable, distributed, switching on and off frequently. According to the characteristics of femto network, a management information model (MIM) is proposed to provide information support for management of femto network, including managed objects,...
Heterogeneous network devices and management technologies bring many different kinds of network management systems. In traditional layered network management architecture, cooperation mechanism is not efficient enough for different network management systems to interact and cooperate with each other flexibly. Comprehensive network management tasks cannot be timely accomplished to meet with constantly...
The emerging new service and its QoS management requirements are challenging the NGI service management, demanding extendibility and scalability. SLA has been considered as an effective way of solving QoS management. First the characteristics of a normative SLA representation are presented. Then a neutral template of SLA representation service-independent and technology-independent is proposed. At...
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