When we are layouting field route, the calculation of designed elevation in vertical and horizontal section is big workload and very tedious. So using Excel which has powerful data processing function and convenient operation of the form to complete a large number of height calculation in vertical and...

Wireless Multimedia Sensor Network (WMSN) achieves the multimedia information from the distributed sensor nodes. In this paper, we design a transmission scheme to ensure the efficient and reliable data transmission in WMSN. Firstly, LT codes are employed as the channel coding. A method is proposed to...

This paper describes the design of a sampling holder, Using a higher linearity bootstrapped switch, by using the bottom plate sampling to offset the effect of charge injection effect, By using the capacitance flip type structure to reduce power consumption, designing a high gain and high speed operational...

A wireless sensor network (WSN) node is designed for monitoring rice field in order to solve the existing problems of poor real-time performance, Low system stability and large monitoring area, etc. The node uses a STM32F103VET6 as a processing core, and a WLK01L39 RF chip is used in wireless communication...

Periodically collecting information and then transmit to a remote base station (BS) is one of the most important applications of sensor networks. But the energy restriction of battery makes this difficult, especially in large area. In order to improve the lifetime of networks in large area, we propose...

In order to solve the measurement of noise in long term and real time on line way, the noise-measuring system based on the wireless sensor network is designed and developed. It can be used collected at the unattended measuring-points, and transmitted to the data center. After data processing, it will...

BeiDou Navigation System can provide PNT services for mainland China. In this paper we present the design, implementation and evaluation of a simple, practical and cost effective Localization solution for wireless sensor network notes. This method is designed especially for manual deployments of WSN....

With a view to the nodes deployment of the water quality on-line monitoring system based on WSN, and the problem of the imbalanced node energy consumption caused by the unreasonable selection of the chain tag in PEGASIS agreement, this paper puts forward a routing algorithm of optimal energy heterogeneous...

The security of hierarchical wireless sensor network (HWSN) attracts more attentions with the rapid deployment of HWSN recently. In this paper, the user authentication technology of HWSN is investigated and a more efficient and more secure user authentication protocol is proposed. Overcoming the main...

Terrestrial Microbial Fuel Cells (TMFCs) can be inoculated and work using of soil, which overcomes the shortcomings of Aquatic Microbial Fuel Cells (AMFCs) and extends application areas of MFCs. Energy supply, as a primary influential factor determining the lifetime of Wireless Sensor Network (WSN) nodes,...

Wireless sensor networks (WSNs) have been widely used in many fields. However, it is difficult to detect WSNs performance status directly. Therefore, a reasonable network performance evaluation system can help to detect and maintain the WSN, so as to ensure the normal operation of the wireless sensor...

In wireless sensor networks (WSNs), nodes fault diagnosis is the important measure for the continuous monitoring service. Efficient and accurate methods for diagnose nodes fault is a hot research topic in the field of WSNs in the recent years. This paper propose an improved distributed fault diagnosis...

This paper applies wireless sensor networks to monitoring sitting condition (presence and posture). Specifically, we develop a sitting condition monitoring system based on an ambient light sensor network. As the system is hard to be modeled, a feature learning experiment has been conducted to learn about...

This Wireless sensor networks often suffer from fails or get damages. This may lead to network partitioning and thus hinder the fulfillment of the network applications. Therefore, it is critical to maintain the connectivity in applications of such networks. In this paper, we propose a movement-assisted...

Authentication and key agreement scheme is an important mechanism for legal users to access the services of wireless sensor network. However, the design of authentication and key agreement schemes in WSNs is still quite a challenging problem. In this paper, we analyze an untraceable temporal credential-based...

In the industrial scenes, the real-time property has to be considered in the data transmission. A novel routing scheme is proposed to reduce the packet loss rate effectively in the industrial wireless sensor networks. The scheme is based on Bellman-Ford algorithm, and saves some other shorter paths for...

Maintaining global dynamic routing in large-scale wireless network requires lots of overhead due to the mobility of nodes, thus the hierarchical network structure is widely used in reality. Therefore, this paper proposes a modified local community detection algorithm in large scale wireless network scenario...

This work investigates the problem of channel sensing order in spatially distributed networks with multi-user. We model this problem into a non-cooperative game and define a generalized interference metric. In order to minimize the aggregate interference and maximize the normalized throughput, we employ...

Accurate and reliable data collection and real-time dynamic monitoring are the basis for realizing the intelligent forest. Aiming at the problem of real-time dynamic environmental parameters monitoring in protected areas, a wireless sensor network (WSN) will be constructed, and ZigBee and mobile geographic...

One of the fundamental issues in WSN is the design of energy efficient approaches that achieve full area coverage and maintain the connectivity of the whole network. Coverage reflects how well a sensor field is monitored. In order to monitor the area of interest in the most efficient way, finding the...

The wireless sensor networks (WSN) with the distributed network protocol, the node with the abilities of sensor, Wireless Communication and data processing. It can monitor, aware and acquire the information of environment or monitoring object in real time. The coal mine can overcome the difficulties...

A pushbroom sensor consists of a line of sensors arranged perpendicular to the flight direction of the spacecraft. The earth's surface is imaged as the spacecraft flies forward. Supermode sampling using a pair of linear arrays in quincunx arrangement has been implemented on the SPOT5 earth observation...

In view of the real-time IDC environment monitoring, this paper designs a kind of environmental condition monitoring system based on the Arduino. The system takes the Arduino mage2560 and all kinds of sensors as the core, to design and write the Arduino mage2560. It realizes monitor the IDC environment...

In order to study the influence of the agricultural greenhouse environment on the channel of wireless sensor networks (WSNs) and to establish the WSNs channel model suitable for the agricultural greenhouse, this paper measures the path loss characteristics of the 2.4GHz radio frequency in the agricultural...

One-dimensional FDTD (Finite Different Time Domain) method for electromagnetic (EM) wave in obliquely incident time-varied plasma is introduced in this paper. By eliminating a field value in two-dimensional Maxwell equation, it can be converted to one-dimensional Maxwell equation with time-varied value....

In this paper, the quantitative loading and weighing system is designed to optimize the current bulk cement delivery process. Directing at the traffic congestion and reciprocating weighing problem during the cement plant vehicles in and out of the factory, the article designs a quantitative loading system...