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Method for realizing routing in wireless network, forwarding node and wireless network

A forwarding node, wireless network technology, applied in the field of wireless networks, to achieve the effect of saving energy consumption and reducing transmission delay

Active Publication Date: 2012-11-14
CHINA MOBILE GRP GUANGDONG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The inventors found that the existing technology has the following problems: in order to save the energy consumption of transmitting information data and reduce the transmission delay under the limited node resources, it is necessary to dynamically plan the most suitable transmission distance to extend the life cycle of the wireless network to meet the needs of different needs

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  • Method for realizing routing in wireless network, forwarding node and wireless network
  • Method for realizing routing in wireless network, forwarding node and wireless network
  • Method for realizing routing in wireless network, forwarding node and wireless network

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Embodiment Construction

[0023] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0024] In the embodiment of the present invention, such as figure 1 In the shown wireless sensor network (wireless network for short), the first node receiving the information data is the initial forwarding node, and the information data needs to be sent to a destination node far away from M, and the destination node is specifically a network A base station in . In the process of transmitting information data, you can choose a node with the minimum reachable maximum transmission distance value (RSSI, Received Signal Strength Indication) as the forwarding node of the next hop, or you can choose a node whose RSSI value is within the preset range A certain node acts as the forwarding node of the next hop, and finally sends the information data to the desti...

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Abstract

The invention provides a method for realizing routing in a wireless network, a forwarding node and the wireless network. The wireless network comprises a plurality of nodes. The method comprises the following steps of using nodes which information data sent by a first forwarding node with a first transmitting power can reach as neighbor nodes of the first forwarding node in the nodes; selecting a first neighbor node, determining the next second forwarding node to transmit the information data according to the size relationship between the second link energy consumption between the forwarding node and the non-first neighbor node and the first link energy consumption between the forwarding node and the first neighbor bode. The technology is applicable if any changes of the nodes in a wireless network exist, thus, the information data can be flexibly transmitted; and moreover, as the power of the transmitted information data between the selected forwarding nodes is smaller than the first transmitting power, thus, the energy consumption for transmitting information data is saved, and the transmission delay is reduced.

Description

technical field [0001] The invention relates to wireless network technology, in particular to a method for realizing routing in a wireless network, a forwarding node and a wireless network. Background technique [0002] Wireless sensor networks (referred to as wireless networks, WSNs, Wireless Sensor Networks) are composed of multiple smart sensors with environmental perception, data processing and communication capabilities as nodes in a self-organizing form, and the communication between smart sensor nodes requires routing protocols. Support, the existing fixed grid network topology cannot meet the robustness requirements of the application routing mechanism, so a reasonable selection of routing protocols based on adaptive topology changes and effective control of the transmission distance of each hop of nodes has become a problem to be solved in the current wireless sensor network . [0003] In this type of routing protocol, the active forwarding node is dynamically sele...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W40/10
CPCY02B60/50Y02D30/70
Inventor 顾箭盛小宁陈炯谢昭裕谭樯马磊王俊嘉陈宜杰雷默王星杰
Owner CHINA MOBILE GRP GUANGDONG CO LTD
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