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Data packet header processing method and network gateway for sensor network

A sensor network and network gateway technology, which is applied to the data packet header processing method for sensor network data transmission and the gateway field, can solve the problem of large header overhead occupation, and achieve the effects of saving related resources and improving the efficiency of packet header overhead

Inactive Publication Date: 2012-05-23
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, for the aforementioned technical solutions, for the data communication between sensor nodes and remote sites within the sensor network, the header overhead still occupies a large amount in the sensor network

Method used

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  • Data packet header processing method and network gateway for sensor network
  • Data packet header processing method and network gateway for sensor network
  • Data packet header processing method and network gateway for sensor network

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Embodiment Construction

[0018] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0019] image 3 It is an example of a wireless sensor network system structure diagram provided by the present invention, which includes a sensor network 300 composed of several sensor nodes 301, 302, 303, etc., an IP network 320, and a sensor gateway connecting the aforementioned sensor network 300 and IP network 320 310, and a remote site 330 communicable with a sensor node 301 in the sensor network, wherein:

[0020] The sensor network 300 can be a typical network built on the basis of 6LoWPAN. The underlying technology adopts IEEE 802.15.4, and the MAC layer adopts IPv6 protocol stack to realize the transmission of IPv6 data packets on IEEE 802.15.4. Any sensor node 301 in the sensor network can be identified by a 128-bit global unicast address or a 16-bit link local address, and the 16-bit link local address is a short address that ...

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PUM

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Abstract

The invention provides a data packet header processing method and a device for a sensor network. The sensor network is connected with an IP (Internet Protocol) network through a network gateway; after receiving a data packet from the IP network, the network gateway replaces an IP source address and a destination address in the packet header with a link local area address applicable to the sensor network; and then, local address encapsulation and transmission applicable to the sensor network is carried out. The network gateway can use the reserved link local area address to replace the IP source address, and establishes a mapping relationship between a UDP (User Datagram Protocol) interface on a sensor network side and the IP source address, so that the recovery of the packet header is further realized. According to the technical scheme of the invention, the transmission cost of the data packet in the sensor network when data communication is carried out between sensor nodes in the sensor network and long-range sites can be effectively reduced, and thus the related resources is further saved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a data packet header processing method suitable for sensor network data transmission and a gateway thereof. Background technique [0002] With the popularization of the Internet, the influence of the Internet on people's life style is getting bigger and bigger, and it will continue to exert its influence in various fields in the future. The sensor network that integrates network technology, embedded technology, micro-electromechanical system and sensor technology extends the Internet from the virtual world to the physical world, thus integrating the logical information world with the real physical world and satisfying people's desire for "infinite" “everywhere” network needs. [0003] The IEEE (Institute of Electrical and Electronics Engineers) 802.15.4 working group is committed to defining a low-speed wireless connection technology for cheap, fixed, convenient or mobile ...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L29/08
Inventor 梁铮刘刚郑军温海波宾梵翔姚春燕
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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