Method for centralized resource reservation management in mobile wireless sensor network

A sensor network and resource reservation technology, applied in data exchange networks, transmission systems, digital transmission systems, etc., can solve the problems affecting the continuity of data packet transmission, increase the transmission delay and transmission success rate of data packets, etc. QoS guarantee, shorten the use time, reduce the effect of overhead

Inactive Publication Date: 2008-08-20
JIAXING WIRELESS SENSOR NETWORKS CENT CAS
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  • Abstract
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Problems solved by technology

This will seriously affect the continuity of data packet transmission
Before each data packet is sent, the connection process needs to be re-initiated, which undoubtedly increases the transmission delay and transmission success rate of the data packet

Method used

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  • Method for centralized resource reservation management in mobile wireless sensor network
  • Method for centralized resource reservation management in mobile wireless sensor network
  • Method for centralized resource reservation management in mobile wireless sensor network

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Experimental program
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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the drawings and embodiments.

[0034] Before the network is established, all nodes are required to have a preset ID. The specified cluster head node ID is 1. The remaining node IDs are greater than 2. Set the maximum radio frequency transmission power value of the cluster head node to be twice that of ordinary nodes. The available resources in the network are sufficient to support at least two pairs of nodes for service flow transmission. Assuming that the network radius is the maximum propagation distance of the cluster head node's signal, the nodes in the network should be connected to the cluster head node through two hops at most.

[0035] The network is built on the concept of a superframe. The superframe structure used in the embodiment is a fixed period of time for the transmission of beacon frames, and the rest of the time is the CSMA competition time, and each node in the network has the rig...

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Abstract

The present invention relates to a method of centralized resource management in the mobile wireless sensor network, used in the multi-jump mobile wireless sensor network and mobile Ad Hoc network. When the network initialize, the preassigned first cluster node are used for accomplishing the time in-phase of the other nodes around. All the in-phase nodes constitute the virtual cluster. In the process of synchronization, the node can get the route information of reaching the cluster first nod. When virtual cluster member node produces Qos service flow, first the access can be got, then tell the useful route information and service kind information to the cluster first nod, which distributes and manages all the resources used for Qos service flow in the cluster. The invention can realize the resource reservation when need the multi-jump transferring among the cluster members.

Description

Technical field [0001] The invention relates to a mobile wireless sensor network and a mobile self-organizing network, in particular to a method for centralized resource reservation management in a mobile wireless sensor network. Background technique [0002] Mobile wireless sensor network is a complex distributed network system. It is a self-organizing and self-healing network composed of wireless mobile nodes; wireless mobile nodes can freely and dynamically self-organize into any temporary network topology, allowing people to install without prior Seamless interconnection and intercommunication in the environment of the existing communication infrastructure. The wireless propagation conditions between any two mobile nodes are restricted by the transmit power between these two nodes. [0003] In mobile wireless sensor networks, the most commonly used are competing MAC protocols and on-demand routing. These two layers occupy a very important position in the entire mobile ad hoc ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/08H04L47/724
Inventor 张帅杨栋杨旸王翔刘海涛
Owner JIAXING WIRELESS SENSOR NETWORKS CENT CAS
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