[PDF] Top 20 The Optimal Number of Clusters in a Wireless Sensor Network

... model, wireless sensor network, optimum number of ...(wireless sensor network, WSN) 是由多個具有通訊能力的無線 感測器 (sensor node, SN) 所組成的。一個SN是 一種具備偵測、感應與傳輸能力的電子裝置。隨 ... See full document

... possibility of being a cluster representative; and the retransmis- sion times in the MAC layer, as well as the number of hops in the NET ...layer. ... See full document

... First, the centralized heuristic clusters event locations, from a global view, when there are fewer mobile sensors, while the distributed heuristic always clusters event locations into ... See full document

... One of the fundamental issues in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by ...sensors. In ... See full document

... Introduction Wireless ad hoc and sensor networks dispense with the need for fixed infrastructures, such as cables or base stations, which means they can be flexibly deployed with minimal cost for ... See full document

... define a new k-angle object coverage problem in a wireless sensor ...Each sensor can only cover a limited angle and range, but can freely rotate to any direction to cover ... See full document

... shows the evolution of the normalized power consumption at each sensor node, where the upper bound of the encoding distortion in PSNR is ...all of the ... See full document

... is the UTC time with the format ...second. The third one is the latitude and the fifth one is the ...longitude. The first two digits of the latitude are ... See full document

... developed in 1975, based on the concept of natural genetics. The current paper proposes a fault node recovery (FNR) algorithm based on the GD algorithm combined with the ... See full document

... Abstract— In this work, we analyze the performance of a wireless sensor network with distributed classification codes, where independence across sensors, including local ... See full document

... metrics: number of alive nodes, coverage level, and connectivity level. In these experiments, there are 300 sensors randomly deployed in a 100 × 100 square area with sensing range = 15 ... See full document

... 摘要: In this paper, we investigate the optimal assignment problem of cells in PCS (Personal Communication Service) to switches in a wireless ATM ...ATM ... See full document

... R.O.C. In this paper, we investigate the optimal assignment problem of cells in PCS (Per- sonal Communication Service) to switches in a wireless ATM ...ATM ... See full document

... Institute of Networking and Multimedia, National Taiwan University, Taipei, Taiwan, ...explored in many network applications, such as sensor ...on a dual power assignment problem, where ... See full document

... notify the nearest medical personnel to help. The number of sensor node in a sensor network application may be ...when the application change or ... See full document

... consists of three phases. The first phase is to properly partition each sub- network, if necessary, into multiple subnetworks to meet the constraint  e ...flexibility in dealing with ... See full document

... or, the angular velocity in three axes can also be candidate features of rotating ...implements the self-developed WSN-based inertial sensor nodes to measure and recognize six ... See full document

... that the energy consumption of a sensor node is mainly affected by radio transmission and ...flect the most dominate part of energy ...queries in a sensor ... See full document

... OURCE In this section, we consider the data gathering scenarios where an opportunistic routing mechanism joint with oppor- tunistic network coding is applied to increase the network ... See full document

... lifetime in this stage. The sensor deployment component is for topology determination Note that the sensor network topology is non-regular and usually randomly spread as We ... See full document