Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A frequency band allocation and frequency band technology, applied in the field of frequency band allocation methods and devices, can solve the problems of low frequency band utilization efficiency and the like
Active Publication Date: 2019-11-15
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
View PDF3 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0004] The technical problem to be solved by the present invention is to overcome the defect of low frequency band usage efficiency in the isolation transmission of various services in the existing access network
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0050] This embodiment provides a frequency band allocation method.
[0051] First, the frequency spectrum is divided according to network units. For example, the network unit may be an ONU (Optical Network Unit, optical network unit). Different subcarriers are assigned to the multiple ONUs respectively, and the subcarriers may be specific subcarriers for transmission of control information. For the sub-carriers of other data, OFDMA (Orthogonal Frequency Division Multiple Access, Orthogonal Frequency Division Multiple Access) can be used to allocate them to other different ONUs.
[0052] The flow chart of the method is as figure 1 shown. Including the following steps:
[0053] S1: Allocate multiple network elements of the same service data type into the same carrier, where the carrier includes multiple subcarriers.
[0054] Specifically, multiple network units of the same service data type, such as multiple ONUs, can be allocated to the same carrier through the central op...
Embodiment 2
[0103] This embodiment provides a frequency band allocation device, the schematic diagram of which is as follows image 3 As shown, it includes an allocation unit 10 , a determination unit 20 and an adjustment unit 30 .
[0104] First, the frequency spectrum is divided according to network units. For example, the network unit may be an ONU (Optical Network Unit, optical network unit). Different subcarriers are assigned to the multiple ONUs respectively, and the subcarriers may be specific subcarriers for transmission of control information. For the sub-carriers of other data, OFDMA (Orthogonal Frequency Division Multiple Access, Orthogonal Frequency Division Multiple Access) can be used to allocate them to other different ONUs.
[0105] The allocating unit 10 is configured to allocate multiple network elements of the same service data type to the same carrier, where the carrier includes multiple subcarriers.
[0106] Specifically, multiple network units of the same service ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention provides a method and a device for allocating frequency bands. The method includes allocating a plurality of network units with the same types of business data into the same carrier waves comprising a plurality of sub-carrier waves; respectively determining first types of network units with occupied frequency bands larger than frequency band thresholds and second types of network units with occupied frequency bands smaller than or equal to the frequency band thresholds; adjusting the sub-carrier waves occupied by the second types of network units to allow the sub-carrier waves of the first type network units to be shared by the second types of network units. The method and the device have the advantages that distribution of the various sub-carrier waves can be dynamically adjusted in real time, the sub-carrier waves and protective intervals can be allocated, requirements of the different network units on transmission frequency bands can be met, frequency band resources can be utilized to the greatest extent and can be shared without interference on master users, accordingly, the protective intervals can be reduced on the basis of power communication multi-service isolated transmission, the wavelength capacity can be utilized to the greatest extent, and networks can be flexibly and efficiently accessed.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to a frequency band allocation method and device. Background technique [0002] With the sharp increase in access bandwidth requirements of power terminal communication users, how to further improve the use efficiency of the existing power terminal access network is of great significance. In the access network, TDM-PON, a mechanism that allocates time slices to users on a fixed wavelength, not only greatly limits the available bandwidth of each user, but also wastes the bandwidth of the optical fiber itself. [0003] At present, in the same network carrying multiple communication services, guard intervals are usually used to separate data streams, and most dynamic adjustment schemes are allocated according to different services, which cannot make full use of uplink frequency band resources. Since multiple services are carried on the same network, there is isolation b...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.