A Data Transmission and Retention Method for Heterogeneous Networks

A data transmission and heterogeneous network technology, which is applied to the selection device, electrical components, and selection device of the multiplexing system, can solve the problems of high error probability, low reliability of the physical layer, and inconvenient comprehensive analysis of large amounts of data. Achieve the effect of QoS guarantee

Active Publication Date: 2018-11-27
DONGGUAN UNIV OF TECH
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Problems solved by technology

At present, sensor networks are usually connected to personal computers or local area networks. Such an access method is not convenient for monitoring multiple sensor networks, and it is not convenient for comprehensive analysis of a large amount of collected data.
[0003] The sensor network transmits data through the wireless communication link, the reliability of the physical layer of the wireless communication link is low, and there is a high error probability

Method used

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  • A Data Transmission and Retention Method for Heterogeneous Networks
  • A Data Transmission and Retention Method for Heterogeneous Networks
  • A Data Transmission and Retention Method for Heterogeneous Networks

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Embodiment Construction

[0046] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] 1. System introduction

[0048] Based on optical fiber transmission, EPON provides a variety of network-side and user-side interfaces, adapting to a variety of access technologies and application environments. In order to increase the mobility of the network, a wireless interface is added to the EPON system to form a heterogeneous fusion network, which aggregates a large amount of data collected by sensor network nodes to the core network through optical fiber transmission. The network has multiple advantages, not only providing large bandwidth, suitable for large data volume tra...

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Abstract

The invention discloses a heterogeneous network data transmission and maintenance method, which realizes the convergence and access of sensor networks. Divided into uplink and downlink direction data transmission. During data transmission in the uplink direction, the ONU optical network unit receives the uplink data of the sensor network, encapsulates the data frame in the payload part of the EPON data frame structure, invokes the QoS processing strategy, sets different priorities for different sensor networks, and sends them to Corresponding priority queue, the data flow with higher priority level is sent first. During data transmission in the downlink direction, the EPON data frame is transmitted to the ONU optical network unit for decapsulation and then sent to the sensor network coordinator. The method enables multiple sensor networks to be aggregated and connected to the core network through EPON, so as to realize comprehensive management and centralized scheduling of multiple sensor networks, and is more convenient for collecting, analyzing, and processing big data from multiple sensor networks.

Description

technical field [0001] The invention relates to the technical field of communication data transmission, in particular to a method for data transmission and retention in a heterogeneous network. Background technique [0002] The application range of sensor network is getting wider and wider, and the number is more and more. At present, sensor networks are usually connected to personal computers or local area networks. Such an access method is not convenient for monitoring multiple sensor networks, and it is not convenient for comprehensive analysis of a large amount of collected data. [0003] The sensor network transmits data through the wireless communication link, the reliability of the physical layer of the wireless communication link is low, and there is a high error probability. The performance of the physical layer of the wired communication link is stable, the communication quality is high, and it can provide carrier-level QoS (Quality of Service, service quality) gu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00
Inventor 陈卫
Owner DONGGUAN UNIV OF TECH
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