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Bandwidth allocation method, device and optical network system

A bandwidth allocation method and optical network technology, which are applied in the bandwidth allocation method, optical network system, and device fields, and can solve problems such as insufficient bandwidth and affecting user experience.

Active Publication Date: 2015-05-20
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0003] In the prior art, when carrying out wireless communication, because OLT (Optical Line Terminal, Optical Network Terminal) selects the modulation format for ONU (Optical Network Unit, Optical Network Unit), factors such as bandwidth requirements of ONU will not be considered, so based on The available bandwidth determined by the modulation format selected by the OLT may not be able to meet the bandwidth requirements of the ONU when allocating bandwidth to the ONU. In particular, when the current service data sent by the ONU to the OLT has a large demand for bandwidth, there may be insufficient bandwidth. , which in turn affects the user experience

Method used

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  • Bandwidth allocation method, device and optical network system
  • Bandwidth allocation method, device and optical network system
  • Bandwidth allocation method, device and optical network system

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Embodiment Construction

[0061] 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 only some, not all, embodiments of the present invention. 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.

[0062] As is well known to those skilled in the art, for various optical network systems, there is usually a phenomenon that the geographical location of users is unevenly distributed. If the distance between users is far away, it cannot be guaranteed that users within a certain distance can access the same optical network. In the system, in order to ensure the quality of communication in practical applications, operators usually need to establish multiple optical n...

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Abstract

The embodiment of the invention discloses a bandwidth allocation method, a bandwidth allocation device and an optical network system, and relates to the field of wireless communication. The bandwidth allocation method is applied to an OLT (Optical Line Terminal) in the optical network system, and comprises the following steps: receiving the bandwidth demand information of an objective community in a current period; selecting modulation formats of ONUs (Optical Network Units) included in the objective community from a plurality of preset modulation formats according to a preset algorithm on the basis of the bandwidth demand information; determining available bandwidths according to the selected modulation formats and physical bandwidths; allocating bandwidths to each ONU in the objective community according to the bandwidth demand of the objective community and the determined available bandwidths; allocating subcarriers and time slots to different service grades of businesses of each ONU according to the bandwidths allocated to each ONU in the objective community. According to the scheme provided by the embodiment of the invention, the bandwidth demands of the ONU of each community on different businesses can be met, and the experience of a user is improved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a bandwidth allocation method, device and optical network system. Background technique [0002] With the rapid development of wireless communication technology, the customer base is getting larger and larger, and the services provided by service providers to customers are also becoming more and more abundant. However, due to the different business content of various services, various services have different requirements on bandwidth. [0003] In the prior art, when carrying out wireless communication, because OLT (Optical Line Terminal, Optical Network Terminal) selects the modulation format for ONU (Optical Network Unit, Optical Network Unit), factors such as bandwidth requirements of ONU will not be considered, so based on The available bandwidth determined by the modulation format selected by the OLT may not be able to meet the bandwidth requirements of the ONU when allo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/927H04L12/861H04L47/80
Inventor 张民杨洋蒋俊刘晶丹张治国
Owner BEIJING UNIV OF POSTS & TELECOMM
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