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Network neighbor discovery method and system

A neighbor discovery and network technology, applied in the network field to save energy consumption and improve discovery efficiency

Inactive Publication Date: 2016-07-20
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, with the development of neighbor discovery strategies, the main challenge of network neighbor discovery lies in the balance between device battery capacity and discovery efficiency

Method used

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  • Network neighbor discovery method and system
  • Network neighbor discovery method and system

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Embodiment Construction

[0039] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0040] It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implement...

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Abstract

The invention provides a network neighbor discovery method and system. The network neighbor discovery method comprises the following steps: a working mode is set for a network node, wherein the working mode includes an active mode and a passive mode; when the network node is in the active mode, the network node is called active node, and the active node comprises a working period called active period and broadcasts a beacon signal in a preset first time interval; and when the network node is in the passive mode, the network node is called passive node, and the passive node comprises a working period called passive period, receives information in a preset second time interval, and makes a reply to the active node according to the beacon signal when the passive node receives the beacon signal in order to finish a network neighbor discovery process. Through the scheme, the network neighbor discovery efficiency of the active node can be increased on the premise of not remarkably increasing network consumed energy.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a method and system for discovering network neighbors. Background technique [0002] Network Neighborhood Discovery is mainly used in many mobile applications based on nearby locations, which enables users' mobile devices to discover each other through self-organization. An early solution to this problem was through fixed working mechanisms. For example, in a static dense network, all nodes first pass the Global Positioning System, GPS (Global Positioning System) to synchronize their clocks, and then send long header data packets for mutual confirmation. However, this approach requires the sender to have a rough idea of ​​where the receiver is and how it works. Moreover, for currently widespread mobile sensors or smartphones, synchronization via GPS usually consumes a lot of energy. [0003] Aiming at this problem, a series of asynchronous state-based neighbor discovery strat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/00H04W36/00
CPCH04W40/24H04W48/08
Inventor 蒋昌俊闫春钢陈闳中王成杨思骞李重
Owner TONGJI UNIV
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