Method and device for determining survival time value of multi-hop network nodes
A time-to-live value, multi-hop network technology, applied in the field of wireless communication, can solve the problems of redundant repeated transmission, the inability of multi-hop network nodes to adapt to the network scanning range, etc.
Active Publication Date: 2021-09-03
MIDEA GRP CO LTD
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Therefore, such multi-hop network nodes cannot adapt to a wider network scanning range, or are prone to redundant repeated transmissions in a compact multi-hop network range
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[0067] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.
[0068] In the description of the embodiments of the present invention, it should be noted that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing this Inventive embodiments and simplified descriptions are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limitin...
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The present invention relates to the field of wireless communication, and provides a method and device for determining the survival time value of a multi-hop network node. The method includes: a target node sends a data packet requesting node status to a node in a multi-hop network according to the current planned survival time value, and obtains The node state extracts the unicast address feedback list, and performs unicast address matching with the unicast address scanning list. If the unicast addresses on the list are determined to be the same, the current planned lifetime value is configured as the lifetime value of the data packet sent by the target node. The method and device for determining the survival time value of multi-hop network nodes provided by the present invention send data packets requesting node status to other nodes through nodes with different survival time values, and collect node status to generate a unicast address feedback list, and unicast address Scan the list for address comparison to determine the time-to-live value that the node should set each time it sends a data packet, so as to ensure that the data packet is transmitted to other nodes in the network without redundant and invalid repeated transmission.
Description
technical field [0001] The present invention relates to the field of wireless communication, in particular to a method and a device for determining the lifetime value of a multi-hop network node. Background technique [0002] Multi-hop networks are constructed from nodes, including devices such as computers and mobile phones, that are all wirelessly connected to each other, which can then forward data to each other over the network. Data hops from node to node until it reaches its destination. Data is always available unless all nodes fail, making this network topology reliable and scalable. [0003] The multi-hop network consists of nodes to form the backbone network and is connected to the Internet, responsible for providing multi-hop network connections for clients. The multi-hop network is based on the mutual cooperation and coordination among many nodes distributed in a mesh. It has the advantages of high speed broadband and high spectral efficiency, and has outstandi...
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IPC IPC(8): H04W40/18H04W40/22H04W84/18
CPCH04W40/18H04W40/22H04W84/18H04L45/20
Inventor 林羽帆韩宇航杨思淙
Owner MIDEA GRP CO LTD