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Establishing method for light-weight self organization net distance vector route at need

A distance vector and establishment method technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of many active neighbor nodes, network node storage capacity burden, increase the complexity of routing table structure, network node storage overhead, etc. , to reduce network overhead, reduce execution complexity, and save storage space

Inactive Publication Date: 2008-05-28
SHANGHAI UNIV +1
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  • Abstract
  • Description
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Problems solved by technology

However, the use of the precursor list increases the complexity of the routing table structure and the storage overhead of network nodes.
In a high-density ad hoc network, the number of active neighbor nodes is large, which will cause a great burden on the storage capacity of network nodes

Method used

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  • Establishing method for light-weight self organization net distance vector route at need
  • Establishing method for light-weight self organization net distance vector route at need
  • Establishing method for light-weight self organization net distance vector route at need

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Embodiment Construction

[0045] A preferred example of the present invention is described in detail as follows in conjunction with accompanying drawing:

[0046] Such as figure 1 As shown, the ad hoc network maintenance steps in the lightweight ad hoc network on-demand distance vector routing establishment method are:

[0047] S1-1: The destination node receives a data packet sent from the source node;

[0048] S1-2: The destination node sends the ACK message corresponding to the received data message;

[0049] S1-3: The source node judges whether the ACK message corresponding to the data message sent by it is received;

[0050] S1-4: The source node receives the ACK message corresponding to the data message it sent, indicating that the routing link communication is normal and ends;

[0051] S1-5: The source node does not receive the ACK message corresponding to the data message sent by it, then add 1 to the corresponding count Num value;

[0052] S1-6: Determine whether the count Num value corres...

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Abstract

Present invention relates to a method for establishing according to need distance vector route in light self networking and to wireless data communication network. Present invention can utilize data end to end reliability package confirming system to maintain link status and complete route establishing without transmitting periodicity broadcast message. Present invention also utilize the method of only destination node responding route request ( RREQ ) to remove serial number, shorten control message, and said route having less consumption of network node and energy.

Description

technical field [0001] The invention relates to a wireless data communication network, in particular to a method for establishing a light-weight ad hoc network on-demand distance vector routing. Background technique [0002] Existing Ad hoc on-demand distance vector (AODV, ad hoc on-demand distance vector) routing protocols can dynamically and automatically establish hop-by-hop routes between various nodes in a wireless network. The protocol mainly consists of two parts: route discovery and route maintenance. ① Route discovery. When the source node wants to send a data message to the destination node, if it does not know the route to the destination node or the route to the destination node has expired, the source node will broadcast a routing request message (RREQ), and the neighbor nodes will send a message to the surrounding nodes in turn. Broadcast this message until the message is sent to an intermediate node that knows the routing information of the destination node ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L1/08H04L47/2466
Inventor 沈明华陈聪冯玉林
Owner SHANGHAI UNIV
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