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1007 results about "Network deployment" patented technology

Deployment, in the context of network administration, refers to the process of setting up a new computer or system to the point where it is ready for productive work in a live environment.

Cost optimization unmanned aerial vehicle base station deployment method based on an improved genetic algorithm

The invention discloses a cost optimization unmanned aerial vehicle base station deployment method based on an improved genetic algorithm, and mainly solves the problem that the unmanned aerial vehicle base station deployment cost is difficult to optimize in the prior art. The realization method comprises the following steps: 1) establishing a ground wireless communication coverage model of the unmanned aerial vehicle base station; 2) calculating the maximum coverage radius and the optimal hovering height of the unmanned aerial vehicle base station in the unmanned aerial vehicle base station ground wireless communication coverage model scene; 3) deploying the unmanned aerial vehicle base stations at the optimal hovering height, enabling the deployment problem to be reduced from three-dimensional dimensionality to a two-dimensional plane, establishing an unmanned aerial vehicle base station deployment optimization model taking unmanned aerial vehicle base station deployment number optimization as a target, and solving the model to obtain an optimal chromosome; 4) converting the optimal chromosome into a corresponding unmanned aerial vehicle base station coordinate set to obtain an optimal unmanned aerial vehicle base station deployment scheme, reducing the complexity of the deployment problem, improving the solution accuracy, and being applicable to communication network deployment planning, temporary communication network construction and disaster area emergency communication.
Owner:XIDIAN UNIV

Wireless self-organized network-based integrated heterogeneous emergency communication network

The invention discloses a wireless self-organized network-based integrated heterogeneous emergency communication network. The emergency communication network comprises a layered framework, a layered framework-based system structure and a layered framework-based network structure, wherein the layered framework consists of a communication network layer, an information acquisition layer, a distributed computation layer and an application service layer sequentially from bottom to top; the system structure consists of a network infrastructure layer, a public service layer, a specific functional layer and an application system layer sequentially from bottom to top; and the network structure is a layered three-dimensional communication network structure. The emergency communication network provided by the invention can adapt to various emergency network deployment situations, can provide network capacity and a coverage area at any given time or place as required, can be conveniently expandedto a network of a required scale, enhances situational perception capability of an emergency occasion by comprehensively utilizing various communication measures, shortens transmission time delay andcall establishment time, can support the requirement on the performance of various services and expands the communication ranges and service support capabilities of various user groups on different emergency occasions.
Owner:PLA UNIV OF SCI & TECH

Energy priority node clustering method for wireless sensor network

The invention discloses an energy priority node clustering method for a wireless sensor network. The method comprises the following steps that: after network deployment is finished, a base station starts running all nodes in a network by transmitting a broadcast signal; each started node in the network computes own threshold value for becoming a cluster head; the nodes of which rest energy is more than or equal to the average energy of the network and which generate random numbers lower than the threshold values in the network are selected to be the cluster heads; the cluster heads broadcast own cluster head messages to the whole network, and each ordinary node computes own distances away from the cluster heads according to received signal strength after receiving the cluster head messages, and is added into the closest cluster as a cluster member; and the cluster heads allocate time division multiple access (TDMA) timeslots to each cluster member, so that each cluster member performs communication according to the allocated timeslots. By the method provided by the invention, the time to live of the network can be remarkably prolonged, and performance remarkably higher than that of a low energy adaptive clustering hierarchy (LEACH) protocol is ensured.
Owner:兴科迪科技(泰州)有限公司

Device for monitoring states and diagnosing faults of coal mine underground working surface conveyer

InactiveCN101727085AEasy to expand monitoring volumeSimple structureComputer controlSimulator controlEngineeringCrusher
The invention discloses a device for monitoring conditions and diagnosing faults of a coal mine underground working surface conveyer, which consists of a state monitoring and fault diagnosis central station and a substation, uses PLC for control, adopts a modularization design, and supports multi-bus data transmission. The device realizes the real-time monitoring and display of the following parameters: the bearing temperature, the oil temperature and the oil level of a speed reducer matched with the devices of a working surface conveyer namely a slat conveyer, a reversed loader, a crusher and the like; the stator temperature and the rotor bearing temperature of a motor; and the flow and the pressure of cooling water, and the distance between a coal mining machine and the slat conveyer, and the like. The device diagnoses the running states of the conveyer and makes an early warning or an alarm. The device can meet different requirements underground a coal mine, has the advantages of simple structure, convenient maintenance and expansion, convenient and fast network deployment and the like, reaches the aims of performing long-distance and on-site real-time monitoring and fault diagnosis on the working surface conveyer, and realizes the production target of safe, stable and reliable operations in a coal mine.
Owner:TAIYUAN UNIV OF TECH
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