In wireless sensor networking applications, gathering sensed information and relaying it to the sink node using multi-hop communication in an energy efficient manner is of paramount importance. In this paper we present the idea of using Aggregator Nodes in order to decrease the amount of packets sent, hence reducing the energy required for communication. We introduce DDAP, a self-organizing Dis...

—This paper investigates the problem of proportionally fair double-sided energy auction involving buying and selling agents. The grid is assumed to be operating under islanded mode. A distributed auction algorithm that can be implemented by an aggregator, as well as a possible approach by which the agents may approximate price anticipation is considered. Equilibrium conditions arising due to pr...

Guanxi is deeply ingrained in Chinese society and business etiquette; therefore, it is critical to understand and appreciate it to gain a commercial foothold in China. This paper explores the fundamental differences between Chinese and Western approaches to business dealings, to identify the factors that make it difficult for Western managerial practises to adopt guanxi. The authors identify th...

Secure data transmission for the wireless sensor network (WSN) is always an important issue. The technique of traditional authenticated encryption allows a sensor node to generate a ciphertext which can only be decrypted and authenticated by a designated data aggregator. The convertible property further enables the aggregator to announce an ordinary signature for public verification. To allevia...

We study competition and cooperation among a group of storage units. We show that as the number of storages increases, the profit of storages approaches zero under Nash competition. We propose two ways in which storages can achieve non-zero profit and show that they are optimal in the sense that storages achieve the maximum possible profit. The first is a decentralized approach in which storage...

To increase the lifespan of wireless sensor networks (WSN) and preserve the energy of sensors, data aggregation techniques are usually used. Aggregation can be seen as the process by which data sent from sensors to the BS are little-by-little processed by some nodes called aggregator nodes. Aggregators collect data from surrounding nodes and produce a small sized output, thus preventing that al...

Active participation of demand-side resources in power system control tasks, i.e., demand response, is expected to facilitate the integration of renewable energy sources in the grid. In this paper, we present a novel hierarchical control scheme to enable provision of frequency control reserves by a pool of office buildings managed by an aggregator. The reserves are provided by controlling the c...

In this paper, a generic architecture for intrusion alert management, analysis and security decision support is described. The architecture is composed of four components: (1)Alert Aggregator, (2)Alert Evaluation and Security Decision Support Component, (3)Alert Correlator and (4)Synthetic Alert Report Generator. The core of this architecture is the Alert Evaluation and Security Decision Suppor...