CN111510927A - Television frequency band selection method for recognizing WiFi - Google Patents
Television frequency band selection method for recognizing WiFi Download PDFInfo
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- CN111510927A CN111510927A CN202010349587.2A CN202010349587A CN111510927A CN 111510927 A CN111510927 A CN 111510927A CN 202010349587 A CN202010349587 A CN 202010349587A CN 111510927 A CN111510927 A CN 111510927A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for selecting a television frequency band for recognizing WiFi (wireless fidelity), which comprises the following steps of: installing base stations according to the areas, wherein each base station consists of a base station transmitter and a base station controller; connecting user terminal equipment, a base station transmitter, an operation management center and a spectrum database through the Internet; the frequency spectrum is divided by the operation management center, so that each user uses different frequency bands, and the frequency bands are reasonably utilized. The invention has higher frequency spectrum utilization rate and cleaner frequency spectrum; and the larger coverage range can reach 10-15 kilometers. WiFi can only be 3 kilometers; and the spectrum is more flexibly used, continuous spectrum is not needed, more users are accommodated, and the investment cost is favorably recovered.
Description
Technical Field
The invention relates to the technical field of television frequency band selection, in particular to a method for selecting a television frequency band for recognizing WiFi.
Background
Currently, wireless communication devices are rapidly increasing, and the spectrum resources available for wireless communication are becoming increasingly scarce and increasingly precious. However, there are a large number of "spectrum holes" in the authorized frequency band, and these "spectrum holes" are not used by authorized users in most of the time, and how to use these "spectrum holes" becomes a research hotspot. Cognitive radio spectrum sensing techniques have therefore emerged that allow unauthorized users (cognitive users) to communicate using licensed user frequency bands without the use of "spectrum holes" by the licensed users. How to detect idle frequency bands which are not used by authorized users becomes an important research point, and how to allocate the idle frequency bands to cognitive users needing communication after the idle frequency bands are detected is also very important. DVB-T is a digital terrestrial television broadcasting system standard, the frequency range of the DVB-T is 50-878 Mhz, the frequency band of the DVB-T is often occupied only in a certain time period, and certain frequency bands cannot be fully utilized for a long time. Therefore, under the condition of not interfering the DVB-T frequency band authorized user, the idle frequency band is fully utilized, and the spectrum utilization rate can be improved to a great extent.
Disclosure of Invention
The invention aims to provide a method for selecting a television frequency band for recognizing WiFi, which is used for solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a method for selecting a television frequency band of cognitive WiFi (wireless fidelity) comprises the following steps:
the method comprises the following steps: installing base stations according to the areas, wherein each base station consists of a base station transmitter and a base station controller;
step two: connecting user terminal equipment, a base station transmitter, an operation management center and a spectrum database through the Internet;
step three: the frequency spectrum is divided by the operation management center, so that each user uses different frequency bands, and the reasonable utilization of the frequency bands is ensured;
the base station transmitter is connected with a base station controller, the base station controller is connected with the internet, the internet is connected with a frequency spectrum database, the internet is connected with an operation management center, the operation management center is connected with user terminal equipment, the user terminal equipment is connected with the base station transmitter, the frequency spectrum database comprises a television detection center, an existing television channel, a file database, other databases, fixed equipment registration and a television white spectrum database, the television white spectrum database is connected with the existing television channels and the file database, the television white spectrum database is connected with the fixed equipment in a registered manner, the existing television channel and file database is connected with the fixed equipment in a registered manner, the existing television channel and file database is connected with other databases, and the existing television channel and file database is connected with the television detection center.
Preferably, the user terminal device is placed in a user home and used for providing wired broadband, IPTV and VOIP services of a home customer, the user terminal device is upwards connected with the base station bidirectional transmission network and downwards connected with the user specific service device to complete connection of the access network and the user device, and the television, the computer, the tablet computer and the mobile phone are accessed.
Preferably, the operation management center comprises an upgrade management module, an equipment management module, a statistical analysis module, a positioning module, a charging module, a warning module and a user management module.
Preferably, the statistical analysis module can generate a report with statistical and analysis characteristics according to user conditions.
Preferably, the user management module displays the website according to the classification of the city, the county, the town and the village according to the website division and the region information, displays different statistical information according to different levels for the maintainers to refer to, and the equipment management module can divide the website according to the site and the corresponding geographic information, so that a hierarchical view can be displayed.
Preferably, the warning module can warn of the occurrence of special conditions, and the charging module includes time charging, flow charging and the like for the user.
Preferably, the spectrum database organizes local spectrum resources, and the total spectrum of the spectrum database is divided by a plurality of users, so that each user uses a different spectrum.
Preferably, the base station controller is responsible for performing wireless network management, radio resource management and monitoring management of the base station transmitter.
Preferably, the base station transmitter performs baseband processing on the information (including voice and data) input by the terminal, modulates the information onto a carrier wave of 470-822MHz in a TDD/TDMA modulation mode, and then performs power amplification to transmit the information from the antenna.
Compared with the prior art, the invention has the beneficial effects that: higher spectrum utilization rate and cleaner spectrum; and the larger coverage range can reach 10-15 kilometers. WiFi can only be 3 kilometers; and the spectrum is more flexibly used, continuous spectrum is not needed, more users are accommodated, and the investment cost is favorably recovered.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a spectrum database according to the present invention.
FIG. 3 is a schematic structural diagram of an operation management center according to the present invention.
Fig. 4 is a schematic diagram of the present invention as used by a user.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
Referring to fig. 1-4, in an embodiment of the present invention, a method for selecting a television frequency band of cognitive WiFi includes the following steps:
the method comprises the following steps: installing base stations according to the areas, wherein each base station consists of a base station transmitter and a base station controller;
step two: connecting user terminal equipment, a base station transmitter, an operation management center and a spectrum database through the Internet;
step three: the frequency spectrum is divided by the operation management center, so that each user uses different frequency bands, and the reasonable utilization of the frequency bands is ensured;
the base station comprises a base station transmitter and a base station controller, the base station transmitter is connected with the base station controller, the base station controller is connected with the internet, the internet is connected with a frequency spectrum database, the internet is connected with an operation management center, the operation management center is connected with user terminal equipment, the user terminal equipment is connected with the base station transmitter, the frequency spectrum database comprises a television detection center, an existing television channel, a file database, other databases, a fixed equipment register and a television white spectrum database, the television white spectrum database is connected with the existing television channel and the file database, the television white spectrum database is connected with the fixed equipment register, the existing television channel and the file database are connected with other databases, and the existing television channel and the existing file database are connected with the fixed equipment register, The file database is connected with the television detection center.
Preferably, the user terminal device is placed in a user home and used for providing wired broadband, IPTV and VOIP services of a home customer, the user terminal device is upwards connected with the base station bidirectional transmission network and downwards connected with the user specific service device to complete connection of the access network and the user device, and the television, the computer, the tablet computer and the mobile phone are accessed.
Preferably, the operation management center comprises an upgrade management module, an equipment management module, a statistical analysis module, a positioning module, a charging module, a warning module and a user management module.
Preferably, the statistical analysis module can generate a report with statistical and analysis characteristics according to user conditions.
Preferably, the user management module displays the website according to the classification of the city, the county, the town and the village according to the website division and the region information, displays different statistical information according to different levels for the maintainers to refer to, and the equipment management module can divide the website according to the site and the corresponding geographic information, so that a hierarchical view can be displayed.
Preferably, the warning module can warn of the occurrence of special conditions, and the charging module includes time charging, flow charging and the like for the user.
Preferably, the spectrum database organizes local spectrum resources, and the total spectrum of the spectrum database is divided by a plurality of users, so that each user uses a different spectrum.
Preferably, the base station controller is responsible for performing wireless network management, radio resource management and monitoring management of the base station transmitter.
Preferably, the base station transmitter performs baseband processing on the information (including voice and data) input by the terminal, modulates the information onto a carrier wave of 470-822MHz in a TDD/TDMA modulation mode, and then performs power amplification to transmit the information from the antenna.
The working principle of the invention is as follows: higher spectrum utilization rate and cleaner spectrum; and the larger coverage range can reach 10-15 kilometers. WiFi can only be 3 kilometers; and the spectrum is more flexibly used, continuous spectrum is not needed, more users are accommodated, and the investment cost is favorably recovered.
Example two
Referring to fig. 1-3, in an embodiment of the present invention, a method for selecting a television frequency band of cognitive WiFi includes the following steps:
the method comprises the following steps: installing base stations according to the areas, wherein each base station consists of a base station transmitter and a base station controller;
step two: connecting user terminal equipment, a base station transmitter, an operation management center and a spectrum database through the Internet;
step three: the frequency spectrum is divided through an operation management center, so that the reasonable utilization of the frequency band is ensured;
the base station comprises a base station transmitter and a base station controller, the base station transmitter is connected with the base station controller, the base station controller is connected with the internet, the internet is connected with a frequency spectrum database, the internet is connected with an operation management center, the operation management center is connected with user terminal equipment, the user terminal equipment is connected with the base station transmitter, the frequency spectrum database comprises a television detection center, an existing television channel, a file database, other databases, a fixed equipment register and a television white spectrum database, the television white spectrum database is connected with the existing television channel and the file database, the television white spectrum database is connected with the fixed equipment register, the existing television channel and the file database are connected with other databases, and the existing television channel and the existing file database are connected with the fixed equipment register, The file database is connected with the television detection center.
Preferably, the user terminal device is placed in a user home and used for providing wired broadband, IPTV and VOIP services of a home customer, the user terminal device is upwards connected with the base station bidirectional transmission network and downwards connected with the user specific service device to complete connection of the access network and the user device, and the television, the computer, the tablet computer and the mobile phone are accessed.
Preferably, the operation management center comprises an upgrade management module, an equipment management module, a statistical analysis module, a positioning module, a charging module, a warning module and a user management module.
Preferably, the statistical analysis module can generate a report with statistical and analysis characteristics according to user conditions.
Preferably, the user management module displays the website according to the classification of the city, the county, the town and the village according to the website division and the region information, displays different statistical information according to different levels for the maintainers to refer to, and the equipment management module can divide the website according to the site and the corresponding geographic information, so that a hierarchical view can be displayed.
Preferably, the warning module can warn of the occurrence of special conditions, and the charging module includes time charging, flow charging and the like for the user.
Preferably, the base station controller is responsible for performing wireless network management, radio resource management and monitoring management of the base station transmitter.
Preferably, the base station transmitter performs baseband processing on the information (including voice and data) input by the terminal, modulates the information onto a carrier wave of 470-822MHz in a TDD/TDMA modulation mode, and then performs power amplification to transmit the information from the antenna.
The working principle of the invention is as follows: higher spectrum utilization rate and cleaner spectrum; and the larger coverage range can reach 10-15 kilometers. WiFi can only be 3 kilometers; and the spectrum is more flexibly used, continuous spectrum is not needed, more users are accommodated, and the investment cost is favorably recovered.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for selecting a television frequency band of cognitive WiFi is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: installing base stations according to the areas, wherein each base station consists of a base station transmitter and a base station controller;
step two: connecting user terminal equipment, a base station transmitter, an operation management center and a spectrum database through the Internet;
step three: the frequency spectrum is divided by the operation management center, so that each user uses different frequency bands, and the reasonable utilization of the frequency bands is ensured;
the base station transmitter is connected with a base station controller, the base station controller is connected with the internet, the internet is connected with a frequency spectrum database, the internet is connected with an operation management center, the operation management center is connected with user terminal equipment, the user terminal equipment is connected with the base station transmitter, the frequency spectrum database comprises a television detection center, an existing television channel, a file database, other databases, fixed equipment registration and a television white spectrum database, the television white spectrum database is connected with the existing television channels and the file database, the television white spectrum database is connected with the fixed equipment in a registered manner, the existing television channel and file database is connected with the fixed equipment in a registered manner, the existing television channel and file database is connected with other databases, and the existing television channel and file database is connected with the television detection center.
2. The method of claim 1, wherein the method for selecting the television bands for cognitive WiFi comprises: the user terminal equipment is placed in a user home and used for providing wired broadband, IPTV and VOIP services of a home client, the user terminal equipment is upwards connected with the base station bidirectional transmission network and downwards connected with user specific service equipment to finish connection of an access network and the user equipment, and the access of a television, a computer, a tablet personal computer and a mobile phone is realized.
3. The method of claim 1, wherein the method for selecting the television bands for cognitive WiFi comprises: the operation management center comprises an upgrade management module, an equipment management module, a statistical analysis module, a positioning module, a charging module, a warning module and a user management module.
4. The method of claim 3, wherein the method comprises: the statistical analysis module can generate a report with statistical and analysis characteristics according to user conditions.
5. The method of claim 3, wherein the method comprises: the user management module is used for displaying according to the classification of cities, counties, towns and villages according to the site division and the region information, displaying different statistical information for the reference of maintenance personnel according to different levels, and the equipment management module is used for dividing according to the sites and the corresponding geographic information, so that a hierarchical view can be displayed.
6. The method of claim 3, wherein the method comprises: the warning module can warn the occurrence of special conditions, and the charging module comprises time charging, flow charging and the like for the user.
7. The method of claim 1, wherein the method for selecting the television bands for cognitive WiFi comprises: the frequency spectrum database is used for sorting local frequency spectrum resources, and the total frequency spectrum of the frequency spectrum database is divided by a plurality of users respectively, so that each user uses different frequency spectrums.
8. The method of claim 1, wherein the method for selecting the television bands for cognitive WiFi comprises: the base station controller is responsible for completing wireless network management, wireless resource management and monitoring management of the base station transmitter.
9. The method of claim 1, wherein the method for selecting the television bands for cognitive WiFi comprises: the base station transmitter performs baseband processing on information (including voice and data) input by the terminal, modulates the information to 470-822MHz carrier wave in a TDD/TDMA modulation mode, amplifies the power and transmits the information from an antenna.
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