Method for realizing wireless personal area network routing protocol based on ultra-wide band positioning assist

A positioning assistance and routing protocol technology, applied in wireless communication, advanced technology, electrical components, etc., can solve the problems of relatively large influence of relative position, simple adjustment of routing request area, and inability to update routing request area in time, so as to achieve routing discovery The effect of high probability, reduced control overhead, and increased probability of route discovery

Inactive Publication Date: 2010-11-17
SOUTHEAST UNIV
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  • Claims
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Problems solved by technology

[0010] The problem to be solved by the present invention is: when the wireless network utilizes the request area to perform routing query, the existing LAR protocol way route can not update the route request area in time because the request area is greatly affected by the relative position of

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  • Method for realizing wireless personal area network routing protocol based on ultra-wide band positioning assist
  • Method for realizing wireless personal area network routing protocol based on ultra-wide band positioning assist
  • Method for realizing wireless personal area network routing protocol based on ultra-wide band positioning assist

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Embodiment Construction

[0040] The invention is a routing technology based on ultra-wideband positioning assistance in a wireless personal area network, which is suitable for the application of the wireless personal area network providing high-quality multimedia services, and belongs to the technical field of wireless communication. In the present invention, the nodes first use the ultra-broadband positioning technology to obtain the coordinates of each node in the network, and then the nodes perform flooding routing discovery with a limited range based on the positioning information, and the intermediate nodes that receive the routing query message can record the location information according to the node To update the routing request area, a fan-shaped area with a dynamically adjustable range is used in the selection of the routing request area. The simulation and analysis results show that, compared with the LAR protocol, the present invention consumes a small amount of node energy for node position...

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Abstract

The invention relates to a method for realizing wireless personal area network routing protocols based on ultra-wide band positioning assist, comprising the following steps of: firstly acquiring the coordinate of each node in a network by utilizing an ultra-wide band positioning technique, then carrying out flooding routing discovery with a limited range by using the nodes based on positioning information, updating routing request areas by utilizing the middle node receiving a routing querying message according to the recording position information of the node, and then selecting fan-shaped areas with dynamically regulated ranges in the routing request areas. The simulated and analyzed results show that compared with LAR (Location-Aided Routing) protocols, after carrying out node positioning with low node energy consumption and calculation and updating on the routing request areas, the invention reduces the overheads of routing control messages, shortens the end-to-end average time delay of data messages, and obviously improves effects.

Description

technical field [0001] The invention is a routing technology based on ultra-wideband positioning assistance in wireless personal area networks, which is suitable for the application of wireless personal area networks providing high-quality multimedia services, belongs to the field of wireless communication technology, and is specifically a wireless network based on ultra-wideband positioning assistance. Implementation method of personal area network routing protocol. Background technique [0002] Wireless Personal Area Network (WPAN) is a wireless network formed in the surrounding space of the individual. It usually refers to a short-distance wireless network with a coverage range within a radius of 10m, especially a short-distance special connection between portable consumer appliances and communication equipment. self-organizing network. WPAN is positioned as a short-distance wireless communication technology, but it is divided into high-speed WPAN (HR-WPAN) and low-speed...

Claims

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Application Information

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IPC IPC(8): H04W40/20H04W40/24
CPCY02D30/70
Inventor 徐平平马远冷汶锴王岩周倩
Owner SOUTHEAST UNIV
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