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Internet-of-things self-organizing network protocol based on tree routing algorithm

A self-organizing network, Internet of Things technology, applied in the field of telecommunications, can solve the problem of large energy consumption routing table, etc., to achieve the effect of reducing energy consumption and avoiding routing table problems

Inactive Publication Date: 2011-11-23
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

Compared with the above two routing algorithms, this strategy has improved efficiency and energy consumption, but still has the same energy consumption as AODVjr and requires a larger routing table.

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  • Internet-of-things self-organizing network protocol based on tree routing algorithm
  • Internet-of-things self-organizing network protocol based on tree routing algorithm
  • Internet-of-things self-organizing network protocol based on tree routing algorithm

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Embodiment Construction

[0028] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:

[0029] combine first Figure 4 Shown, the Internet of Things ad hoc network protocol based on the tree routing algorithm of the present invention comprises the following steps:

[0030] Step A: Set up a ZigBee network, add information such as the address and depth of neighbor nodes in the node to form a neighbor table,

[0031] figure 1 Shown is the tree topology of the ZigBee network: the coordinator FFD plays a coordinating role, and the role of routing nodes is to discover and maintain routes. The function of terminal nodes is simple, does not provide routing functions, and only maintains a neighbor node table.

[0032] Such as figure 2 The flow chart of a node applying to join the network is shown: when a node A that has not joined the network needs to join the network, node A sends an association request, and when receiving the association request node is...

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Abstract

The invention relates to an internet-of-things self-organizing network protocol based on a tree routing algorithm and belongs to the technical field of telecommunications. The algorithm comprises the following three steps of: searching child nodes, searching the nearest neighboring nodes and searching ancestor nodes. The tree routing algorithm is properly improved, the address, depth and other information of the neighboring nodes are added in the nodes, when the routing is searched, the routing length is effectively reduced, the energy consumption of the nodes is obviously reduced, and the problem of a routing list of Ad hoc ondemand distance vector junior (AODVjr) is avoided.

Description

technical field [0001] The invention relates to an ad hoc network protocol for the Internet of Things based on a tree routing algorithm, belonging to the technical field of telecommunications. Background technique [0002] ZigBee technology is a new low-cost, low-power short-distance wireless communication technology designed for wireless sensor network technology, and has strong networking capabilities. The ZigBee Alliance defines the network layer and application layer on the basis of the physical layer and media access layer defined by IEEE 802.15.4, which constitutes the standard protocol of ZigBee. The network layer specification is an important part of the ZigBee standard. The main functions are Establish a new network, process nodes joining and leaving the network, and provide network routing lookup and data transmission functions. The routing algorithm is its core. [0003] Currently, the routing algorithms supported by the ZigBee network include protocols such as T...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W84/18
CPCY02B60/42Y02D30/00Y02D30/70
Inventor 李孝嗣王兴虎虞月
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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