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Data sending method and device, data receiving method and device, ONU (Optical Network Unit) and OLT (Optical Line Terminal)

A data transmission method and a technology for slicing data, applied in the field of communication, can solve problems such as low data transmission efficiency

Active Publication Date: 2018-05-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a data sending and receiving method and device, OLT, and ONU, to at least solve the problem that in the related art, when the ONU in the passive optical network supports multi-channel data transmission, there is no coordinated setting for multiple channels. The solution of bandwidth leads to the problem of low data transmission efficiency

Method used

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  • Data sending method and device, data receiving method and device, ONU (Optical Network Unit) and OLT (Optical Line Terminal)
  • Data sending method and device, data receiving method and device, ONU (Optical Network Unit) and OLT (Optical Line Terminal)
  • Data sending method and device, data receiving method and device, ONU (Optical Network Unit) and OLT (Optical Line Terminal)

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Embodiment 1

[0045] The method embodiment provided in Embodiment 1 of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking running on a terminal device as an example, image 3 It is a hardware structural block diagram of a terminal device of a data sending method according to an embodiment of the present invention. Such as image 3 As shown, the terminal device 30 may include one or more (only one is shown in the figure) processor 302 (the processor 302 may include but not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA), for A memory 304 for storing data, and a transmission device 306 for communication functions. Those of ordinary skill in the art can understand that, image 3 The shown structure is only for illustration, and it does not limit the structure of the above-mentioned electronic device. For example, terminal device 30 may also include image 3 more or fewer ...

Embodiment 2

[0062] In this embodiment, a data sending device is also provided, which is used to implement the above embodiments and preferred implementation modes, and what has been explained will not be repeated here. As used below, the term "module" may be a combination of software and / or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

[0063] Figure 5is a structural block diagram of a data sending device according to an embodiment of the present invention, such as Figure 5 shown, the device includes

[0064] The fragmentation module 50 is used for fragmenting the data to be sent that needs to be sent on a plurality of channels bound with the ONU to obtain a plurality of fragmented data;

[0065] The distribution module 52 is configured to distribute the plurality of fragmente...

Embodiment 3

[0069] The embodiment of the present invention provides a data receiving method, such as Figure 6 As shown, the method includes:

[0070] Step S602, the OLT receives the fragmented data of the data to be sent sent by the ONU on multiple channels according to the upstream bandwidth; wherein, the upstream bandwidth is the bandwidth allocated by the OLT to the ONUs according to the total amount of data to be sent; Multiple channels are channels bound to the above ONU;

[0071] Optionally, before the above-mentioned OLT receives the fragmented data of the data to be sent sent by the above-mentioned ONU on multiple channels according to the upstream bandwidth, the OLT receives the above-mentioned total amount of data sent by the above-mentioned ONU, and according to the above-mentioned total amount of data for the above-mentioned multiple channels Allocate the above-mentioned uplink bandwidth respectively.

[0072] Optionally, each of the plurality of data fragments carries a da...

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Abstract

The embodiment of the invention provides a data sending method and device, a data receiving method and device, an OLT (Optical Line Terminal) and an ONU (Optical Network Unit). The data sending methodcomprises the steps that the ONU fragments to-be-sent data which needs to be sent on a plurality of channels bound with the ONU, thereby acquiring a plurality of pieces of fragmented data; the ONU distributes the plurality of pieces of fragmented data to the plurality of channels according to uplink bandwidths allocated to the plurality of channels by the OLT, wherein the uplink bandwidths are the bandwidths allocated to the plurality of channels by the OLT according to the total data quantity of the to-be-sent data of the ONU; and the ONU sends the plurality of pieces of fragmented data to the OLT through the plurality of channels.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data sending and receiving method and device, an Optical Line Terminal (abbreviated as OLT), and an Optical Network Unit (abbreviated as ONU). Background technique [0002] With the development of network technology, the network can be used to transmit a large amount of voice, data, video and other services, so the requirements for bandwidth continue to increase. Passive Optical Network (PON) was born under this demand . [0003] The topology of the PON system is as follows figure 1 As shown, the PON system usually consists of an optical line terminal (OLT) at the office side, an optical network unit (ONU) at the user side, and an optical distribution network (ODN for short), and usually adopts a point-to-multipoint network structure. ODN is composed of passive optical components such as single-mode optical fibers, optical splitters, and optical connectors, and provides opti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/911
CPCH04L47/70H04L12/2885H04L12/2898
Inventor 耿丹张伟良袁立权马壮李明生
Owner ZTE CORP
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