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Method and gateway device for sending data

A gateway device and a technology for sending data, which is applied in the field of communication, can solve problems such as not taking into account the time delay characteristics of data packets, non-emergency data packets occupying real-time data resources, and urgent data from sensor networks cannot be reported in time, so as to reduce Sending delay, timely and reasonable reporting effect

Active Publication Date: 2012-10-24
HONOR DEVICE CO LTD
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Problems solved by technology

[0003] When the gateway forwards the data packets collected by the sensor network to the external network, it does not consider the time delay characteristics of different data packets, but forwards them directly. When the network bandwidth is narrow, some real-time data may not be sent in time, and Non-emergency data packets will occupy real-time data resources, so that the urgent data of the sensor network cannot be reported in time

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  • Method and gateway device for sending data
  • Method and gateway device for sending data
  • Method and gateway device for sending data

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0016] The embodiments of the present invention can reasonably schedule the data packet forwarding, so that the data packets transmitted from the sensor network are packaged and sent to another network through a reasonable time window arrangement. figure 1 is a flowchart of a data packet forwarding method according to an embodiment of the present invention. figure 1 The method is executed by the gateway device.

[0017] 101. Receive a data packet from...

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Abstract

A method and gateway device for sending data are provided by the embodiments of the invention. The method includes: receiving a data packet from a sensor network, and determining the application layer data attribute and / or delay demand of the data packet; according to the application layer data attribute and / or delay demand of the data packet, determining the time window which the data packet belongs to, and storing the data packet in a storage area corresponding to the determined time window; when arriving a sending time of the current time window, packing the data packet stored in the storage area corresponding to current time window, and sending the packetized data packet to another network. The invention embodiments uses forwarding mechanism based on the time window, determines the time window for the data packet according to the application layer data attribute and / or delay demand of the data packet, and timely packs and forwards the data packet within the time window, therefore reasonable schedules the sending time for the different data packet, and debases the sending delay for the high instantaneity data packet.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communications, and more specifically, to a data sending method and a gateway device. Background technique [0002] The sensor network gateway will play a very important role in the future Internet of Things era, and it will become the link between the sensor network and the traditional communication network. As a gateway device, the sensor network gateway can realize the protocol conversion between the sensor network and the communication network, as well as different types of sensor networks, such as realizing wide-area interconnection or local-area interconnection. The sensors in the Internet of Things send the collected data to the gateway in the form of data packets, and then forward them to the external network (such as Ethernet) based on other protocols through the gateway. At this time, the gateway is responsible for the protocol conversion between different networks, and...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/66
CPCH04W4/006H04W4/38
Inventor 刘培牛旭亮
Owner HONOR DEVICE CO LTD
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