OLSR (Optimized Link State Routing) method based on energy awareness and location prediction

OLSR (Optimized Link State Routing) method based on energy awareness and location prediction

The invention discloses an OLSR (Optimized Link State Routing) method based on energy awareness and location prediction. The method is performed through following steps. Firstly, calculate the distances of a transmitting node at three historical locations to a receiving node; based on the informatio...

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Hauptverfasser: JI XIN, LIU JIAN, HUANG CI, ZHANG WEIJIONG
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator JI XIN
LIU JIAN
HUANG CI
ZHANG WEIJIONG
description The invention discloses an OLSR (Optimized Link State Routing) method based on energy awareness and location prediction. The method is performed through following steps. Firstly, calculate the distances of a transmitting node at three historical locations to a receiving node; based on the information of the three historical locations and the information of two historical locations respectively, calculate predicted distances of the transmitting node at predicted locations to the receiving node. A Weighted mean is performed for the predicted distances obtained through the above two methods and the distance of the transmitting node at the most recently historical location to the receiving node to obtain a dinal predicted distance. When selecting routing under the condition with the same hop count, the method takes the node with the smallest predicted distance as the next hop of the routing. According to the embodiments of the invention, distance from a transmitting node to a receiving node is predicated, and the moving factor of the node is introduced into routing selecting. All these steps achieve routing with better quality and thus improving the packet arrival rate of a system.
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The method is performed through following steps. Firstly, calculate the distances of a transmitting node at three historical locations to a receiving node; based on the information of the three historical locations and the information of two historical locations respectively, calculate predicted distances of the transmitting node at predicted locations to the receiving node. A Weighted mean is performed for the predicted distances obtained through the above two methods and the distance of the transmitting node at the most recently historical location to the receiving node to obtain a dinal predicted distance. When selecting routing under the condition with the same hop count, the method takes the node with the smallest predicted distance as the next hop of the routing. According to the embodiments of the invention, distance from a transmitting node to a receiving node is predicated, and the moving factor of the node is introduced into routing selecting. 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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title OLSR (Optimized Link State Routing) method based on energy awareness and location prediction
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