Routing method for mobile multi-hop grouping wireless network based on random broadcast mode

A wireless network and routing technology, applied in the field of mobile multi-hop packet wireless network routing, can solve the problem of not using the Peer-to-Peer service retrieval method, not considering the Peer-to-Peer service particularity, consuming large network resources and Time and other issues, to achieve the effect of improving link utilization efficiency, reducing transmission delay, and balancing network traffic

Inactive Publication Date: 2009-04-15
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
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Problems solved by technology

[0006] However, the existing AAODV protocol does not take into account the particularity of Peer-to-Peer services, especially when there are many mobile nodes in the Ad Hoc network, it will consume a lot of network resources and time to forward data through a

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  • Routing method for mobile multi-hop grouping wireless network based on random broadcast mode
  • Routing method for mobile multi-hop grouping wireless network based on random broadcast mode
  • Routing method for mobile multi-hop grouping wireless network based on random broadcast mode

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Example Embodiment

[0017] In the embodiment of the present invention, by establishing an anycast group in an Ad Hoc network, adding a service value and an anycast group address (namely an anycast group ID) to the routing request packet, the destination anycast group of the routing request packet can be quickly found through a function algorithm address, and quickly determine the destination node in the anycast group, and establish a communication connection between the source node and the destination node, which greatly improves the efficiency of network resource retrieval.

[0018] In the embodiment of the present invention, several nodes are formed into an anycast group, each anycast group has a unique anycast group ID, and the nodes in each group share an anycast group ID. The source node sends a routing request packet containing the service value and the address of the anycast group where it belongs. The service value is obtained by performing a hash function operation on the keyword of the s...

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Abstract

The embodiment of the invention provides a mobile multi-hop packet wireless network routing method based on an anycast manner. The method comprises the following steps: a source node sends a routing request packet containing a service value and an anycast group address of the source node; a forwarding node which receives the routing request packet searches a destination node in the anycast group of the forwarding node, if the destination node is not found, an anycast group which is closest to the anycast group of the forwarding node is determined by a function algorithm according to the anycast group address information, and the routing request packet is sent to the closest anycast group so as to continue searching the destination node in the closest anycast group; the steps are repeated until the destination node is found; and communication connection between the source node and the destination node is established. The method achieves rapid search of the destination node and enhances the resource retrieval and inquiry efficiency.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to an anycast-based mobile multi-hop packet wireless network routing method. Background technique [0002] With the development of wireless communication technology, the fusion technology of Ad Hoc (mobile multi-hop packet wireless) network technology and Peer-to-Peer (peer-to-peer computing network technology) has been paid more and more attention. Ad Hoc network is not dependent on any infrastructure, non-center self-organizing distributed multi-hop wireless network, the nodes in the network are all mobile hosts. In the Ad Hoc network, if two mobile hosts are within the communication coverage of each other, they can communicate directly; but because the communication coverage of the mobile host is limited, if two mobile hosts that are far apart need to communicate, they must use this Other mobile hosts between two mobile hosts forward data to achieve communication....

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Application Information

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IPC IPC(8): H04W40/04H04W84/18H04L12/18H04L12/56
Inventor 孟琦纪红李屹李亭司鹏博李曦梅敬青
Owner BEIJING UNIV OF POSTS & TELECOMM
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