WO2015085573A1 - Procédé et dispositif de communication utilisant un spectre blanc - Google Patents

Procédé et dispositif de communication utilisant un spectre blanc Download PDF

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Publication number
WO2015085573A1
WO2015085573A1 PCT/CN2013/089366 CN2013089366W WO2015085573A1 WO 2015085573 A1 WO2015085573 A1 WO 2015085573A1 CN 2013089366 W CN2013089366 W CN 2013089366W WO 2015085573 A1 WO2015085573 A1 WO 2015085573A1
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WO
WIPO (PCT)
Prior art keywords
white spectrum
database
information
white
white space
Prior art date
Application number
PCT/CN2013/089366
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English (en)
Chinese (zh)
Inventor
魏鑫鹏
朱雷
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380003205.9A priority Critical patent/CN104969598B/zh
Priority to PCT/CN2013/089366 priority patent/WO2015085573A1/fr
Publication of WO2015085573A1 publication Critical patent/WO2015085573A1/fr

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Classifications

    • 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
    • H04W16/14—Spectrum sharing arrangements between different networks

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and device for utilizing white space communication. Background technique
  • the application of the white space spectrum technology is currently commonly used to query the database (Database).
  • a database is used to centrally manage white space resources within a region.
  • the white space device in the system refers to a device that uses the white space spectrum to provide wireless access services to other devices.
  • the white space device may be a base station, an AP (Access Point, an access point), etc.; White spectrum information.
  • the white space device uses the PAWS (Protocol to Access White Space) protocol to request white spectrum information available to the white space database in its geographical location, and then utilizes the requested white space information for other devices (such as UE). Provide wireless access service.
  • PAWS Protocol to Access White Space
  • An existing implementation is: Configuring an available white spectrum database in a white space device.
  • the white space database address information available to the device by the device manufacturer can be configured in the firmware of the device when the device is shipped.
  • the biggest drawback of this type of configuration is the poor flexibility.
  • the white spectrum database available for use in China can be configured in this way, but when the device roams to another country, it needs to be re-targeted.
  • the white spectrum database available to the device is configured, and the white space device user may not know which white spectrum databases are available in the country.
  • Another existing implementation scheme is: using a dynamic discovery mechanism to implement a white space device to discover a white space database, that is, when a white space database is needed, the white space device is based on its geographic location. Information such as Location dynamically gets the available white space data address.
  • this implementation still has certain drawbacks. This is because the use of geographic location coordinates to identify the form of the geographic location may have the drawback of insufficient precision, which will cause the white space device to receive less relevant white space database information. For example, if The white space device is used at the border, and the country information of the white space device may be erroneously determined according to the geographical location coordinate information of the device.
  • a method and a device for utilizing white space communication are provided, which can improve the accuracy of establishing a connection between a white space device and a white space database.
  • a white space device sends a request access white to a server Request information of a spectrum database, the server is configured to store attribute information of the white spectrum database;
  • the white space device receives feedback information returned by the server, the feedback information carries address information in attribute information of at least one white space database, and a service provider for identifying the at least one white space database The first identifier information; [13] the white space device establishes a connection with a matching white space database according to the address information and the first identification information, and acquires a corresponding white space resource;
  • the white space device uses the white space resource to provide an access service for the terminal.
  • the white space device establishes a connection with a matching white spectrum database according to the address information and the first identification information, including: The white space device determines, according to the first identification information, at least one white space database that has a contractual relationship with the white space device;
  • the white space device determines at least one white space database of the white space resource required by the white space device in the at least one white spectrum database that has a contract relationship with the white space device as a matched white spectrum. a database; [18] the white space device establishes a connection with one of the matched white spectrum databases. [19]
  • the second aspect provides a method for utilizing white space communication, including:
  • the server receives request information sent by the white space device requesting access to the white space database, the service Used to store attribute information of the white spectrum database;
  • the server returns feedback information to the white space device, where the feedback information carries address information in attribute information of at least one white space database, and a service provider for identifying the at least one white space database a first identification information, where the first identification information is used by the white space device to determine at least one matching white space database; the address information is used by the white space device and one of the matched white spectrum databases Establishing a connection, obtaining a corresponding white space resource, and using the white space resource to provide an access service for the terminal.
  • a method for utilizing white space communication comprising:
  • the white space device sends request information for requesting access to the white space database to the server, the server is configured to store attribute information of the white space database, and the request message carries second identification information for identifying the matched white space database. ;
  • the white space device receives feedback information returned by the server, where the feedback information carries address information of at least one white space database that is matched by the server according to the second identification information and matches the white space device. [25] The white space device establishes a connection with one of the matched white spectrum databases according to the address information, and acquires a corresponding white space resource;
  • the white space device uses the white space resource to provide an access service for the terminal.
  • the second identifier information includes: service provider information of the matched white space database or country code information of a country to which the white space device belongs.
  • a method for utilizing white space communication comprising:
  • the server receives the request information that is sent by the white space device and requests to access the white space database, where the server is used to store the attribute information of the white space database, where the request message carries the second identifier for identifying the matched white space database.
  • the server determines, according to the second identifier information, at least one white space database that matches the white space device;
  • the server returns feedback information to the white space device, where the feedback information carries at least one address information of a white space database that matches the white space device; wherein the address information is used for the white spectrum
  • the device establishes a connection with one of the matched white spectrum databases to obtain a corresponding white spectrum resource. Source, and using the white spectrum resource to provide access services for the terminal.
  • the determining, by the server, the at least one white space database that matches the white space device according to the second identification information includes:
  • the server determines, according to the second identifier information, at least one white space database that has a contract relationship with the white space device;
  • the server determines at least one white space database of the white space resource required by the white space device in the at least one white space database that has a contract relationship with the white space device as the matched white spectrum. database.
  • the second identifier information includes: service provider information of the matched white space database or the white Country code information for the country of the spectrum device.
  • a white spectrum device comprising:
  • a first requesting module configured to send, to the server, request information for accessing a white space database, where the server is configured to store attribute information of the white space database
  • a first feedback receiving module configured to receive the server And feedback information returned by the request information sent by the first request module, where the feedback information carries address information in attribute information of at least one white space database, and a service provider used to identify the at least one white space database First identification information;
  • a first connection module configured to establish a connection with a matching white space database according to the address information and the first identification information received by the first feedback receiving module, to obtain a corresponding white space resource
  • the first service providing module is configured to provide an access service for the terminal by using the white space resource acquired by the first connection module.
  • the first connecting module includes:
  • a first subscription determining unit configured to determine, according to the first identification information, at least one white space database that has a contractual relationship with the white space device
  • a first matching determining unit configured to: ??? At least one white space database of the white space resource required by the white space device in the at least one white space database having a contract relationship with the white space device is determined as a matched white space database
  • the first connection unit is configured to establish a connection with one of the matched white spectrum databases.
  • a server is provided, where the server is used to store attribute information of a white space database, including:
  • a first request receiving module configured to receive, by the white space device, request information for requesting access to the white space database
  • a first feedback module configured to receive, according to the first request, the request received by the module And returning, to the white space device, feedback information, where the feedback information carries address information in attribute information of at least one white space database, and first identification information used by the service provider for identifying the at least one white space database
  • the first identification information is used by the white space device to determine at least one matching white space database
  • the address information is used by the white space device to establish a connection with one of the matched white space databases, and obtain Corresponding white spectrum resources, and using the white spectrum resources to provide access services for the terminal.
  • a white space device including:
  • a second requesting module configured to send, to the server, request information for accessing the white space database, where the server is configured to store attribute information of the white space database, where the request message carries a white space database for identifying the matching
  • a second feedback receiving module configured to receive feedback information returned by the server according to the request information sent by the second request module, where the feedback information carries the server according to the second identifier Address information of the at least one white space database that is determined by the information to match the white space device;
  • a second connection module configured to establish, according to the address information received by the feedback receiving module, a connection with one of the matched white space databases to obtain a corresponding white space resource;
  • a module configured to provide an access service for the terminal by using the white space resource acquired by the connection module.
  • the second identifier information includes: service provider information of the matched white space database or country code information of a country to which the white space device belongs.
  • a server including: [55] a second request receiving module, configured to receive request information sent by a white space device requesting access to a white space database, where the server is configured to store a white space database Attribute information, where the request message carries second identification information for identifying a matching white space database;
  • a matching database determining module configured to receive, according to the second request, the second identifier received by the module The information determines at least one white spectrum database that matches the white space device;
  • a second feedback module configured to return feedback information to the white space device, where the feedback information carries address information of at least one white space database that matches the white space device determined by the matching database determining module;
  • the address information is used by the white space device to establish a connection with one of the matched white space databases, obtain a corresponding white space resource, and use the white space resource to provide an access service for the terminal.
  • the matching database determining module includes:
  • a second subscription determining unit configured to determine, according to the second identification information, at least one white space database that has a contractual relationship with the white space device
  • a second matching determining unit configured to: At least one white space database in which at least one white space resource required by the white space device exists in the at least one white spectrum database determined by the second subscription determining unit and is in a contracted relationship with the white space device is determined as the matched white spectrum. database.
  • the second identifier information includes: service provider information of the matched white space database or the white Country code information for the country of the spectrum device.
  • a white space device comprising: a first processor, a first receiver, a first transmitter, and a bus;
  • the first processor, the first receiver, and the first transmitter are connected by using the bus;
  • the first transmitter is configured to send, to the server, request information for requesting access to the white space database, where the server is configured to store attribute information of the white space database;
  • the first receiver is configured to receive feedback information returned by the server according to the request message sent by the first transmitter, where the feedback information carries address information in attribute information of at least one white space database. And first identification information for identifying a service provider of the at least one white space database;
  • a first processor configured to establish a connection with a matching white space database according to the address information received by the first receiver and the first identifier information, acquire a corresponding white space resource, and use the The white spectrum resource provides access services for the terminal.
  • the first processor according to the address information received by the receiver, and the first identifier information, and a matched white spectrum Database establishment Connected, specifically including:
  • the first processor determines, according to the first identifier information, at least one white space database that has a contractual relationship with the white space device;
  • the first processor determines, in the at least one white spectrum database that has a contract relationship with the white space device, at least one white space database that is required for the white space resource of the white space device to be a matching white.
  • Spectrum database
  • the first processor establishes a connection with one of the matched white spectrum databases.
  • a server including: a second processor, a second receiver, a second transmitter, and a bus;
  • the second processor, the second receiver, and the second transmitter are connected by the bus;
  • the second receiver is configured to receive, by the white space device, request information for requesting access to the white space database
  • the second processor is configured to: return, according to the request information received by the second receiver, feedback information to the white space device, where the feedback information carries attribute information of at least one white space database Address information, and first identification information of a service provider for identifying the at least one white space database; wherein the first identification information is used by the white space device to determine at least one matching white space database;
  • the address information is used by the white space device to establish a connection with one of the matched white space databases, obtain a corresponding white space resource, and use the white space resource to provide an access service for the terminal;
  • the second transmitter is configured to return, to the white space device, the feedback information returned by the second processor.
  • a white spectrum device including: a third processor, a third receiver, a third transmitter, and a bus;
  • the third processor, the third receiver, and the third transmitter are connected by the bus;
  • the third transmitter is configured to send, to the server, request information for requesting access to the white space database, where the server is configured to store attribute information of the white space database, where the request message carries a white space for identifying a match. Second identification information of the database;
  • the third receiver is configured to receive feedback information returned by the server according to the request information sent by the third transmitter, where the feedback information carries the identifier determined by the server according to the second identifier information.
  • the third processor is configured to establish, according to the address information received by the third receiver, a connection with one of the matched white spectrum databases, obtain a corresponding white space resource, and use the connection.
  • the white space resource acquired by the module uses the white space resource to provide an access service for the terminal.
  • the second identifier information includes: service provider information of the matched white space database or country code information of a country to which the white space device belongs .
  • a server comprising: a fourth processor, a fourth receiver, a fourth transmitter, and a bus; wherein
  • the fourth processor, the fourth receiver, and the fourth transmitter are connected by using the bus; [84] a fourth receiver, configured to receive, by the white space device, request information for requesting access to the white space database,
  • the server is configured to store attribute information of a white space database, where the request message carries second identification information for identifying a matched white space database;
  • a fourth processor configured to determine, according to the second identifier information received by the fourth receiver, at least one white space database that matches the white space device; [86] a fourth transmitter, configured to: Returning feedback information to the white space device, where the feedback information carries address information of at least one white space database that matches the white space device determined by the fourth processor; wherein the address information is used for the The white space device establishes a connection with one of the matched white space databases, acquires a corresponding white space resource, and uses the white space resource to provide an access service for the terminal.
  • the fourth processor determines, according to the second identifier information received by the fourth receiver, that the white spectrum device is matched.
  • At least one white spectrum database specifically including:
  • the fourth processor determines, according to the second identifier information, at least one white space database that has a contractual relationship with the white space device;
  • the second identifier information includes: service provider information of the matched white space database or the White Spectrum Equipment Institute Country code information for the country.
  • the white space device when the server receives the request information that is sent by the white space device and requests to access the white space database, when the server returns the feedback information to the white space device, the information carried in the feedback information is used to identify the white
  • the first identifier information of the service provider of the spectrum database the white space device may obtain the matched white space database information according to the first identification information, thereby directly connecting with the matched white spectrum database; or, in the white space device
  • the server sends the request information for requesting access to the white space database the request message carries the second identification information for identifying the matching white space database, and the server directly feeds back the white space device to the white space device according to the second identification information.
  • the information of the matched white spectrum database so that the white space device can directly connect with the matching white spectrum database. It can be seen that the accuracy of establishing a connection between the white space device and the white space database can be improved by carrying the attribute information of the white space database in the interaction information between the white space device and the server.
  • FIG. 1 is a schematic diagram of a prior art white space application system
  • FIG. 2 is a schematic flow chart of an embodiment of a method for utilizing white space communication according to the present invention
  • FIG. 3 is a schematic flowchart diagram of a second embodiment of a method for utilizing white space communication according to the present invention
  • FIG. 4 is a schematic flow chart of a third embodiment of a method for utilizing white space communication according to the present invention.
  • FIG. 5 is a schematic flowchart diagram of a fourth embodiment of a method for utilizing white space communication according to the present invention.
  • FIG. 6 is a schematic structural diagram of an embodiment of a white space device according to the present invention.
  • FIG. 7 is a schematic structural diagram of a server embodiment according to the present invention.
  • FIG. 8 is a schematic structural diagram of another embodiment of a white space device according to the present invention.
  • FIG. 9 is a schematic structural diagram of another server embodiment provided by the present invention.
  • FIG. 10 is a schematic structural diagram of a white space device implemented by a computer system according to the present invention.
  • FIG. 11 is a schematic structural diagram of a server implemented based on a computer system according to the present invention
  • FIG. 12 is a schematic structural diagram of another white space device implemented by a computer system according to the present invention
  • FIG. 11 is a schematic structural diagram of a server implemented based on a computer system according to the present invention
  • FIG. 12 is a schematic structural diagram of another white space device implemented by a computer system according to the present invention
  • FIG. 11 is a schematic structural diagram of a server implemented based on a computer system according to the present invention
  • FIG. 12 is a schematic structural diagram of another white space device implemented by a computer system according to the present invention
  • FIG. 13 is a schematic diagram showing another structure of a server based on a computer system provided by the present invention. detailed description
  • white spectrum can be used to increase wireless bandwidth.
  • the spectrum management organization allocates a large amount of spectrum resources to wireless applications such as television signal transmission.
  • the allocated spectrum resources may not be used for a certain period of time in a certain region.
  • the spectrum that is not used for a certain period of time within a region is called a "white spectrum.” This situation will result in waste of spectrum resources, so the white spectrum can be rationally reused.
  • Step 201 The white space device sends request information for requesting access to the white space database to the server, where the server is configured to store attribute information of the white space database.
  • the application of white space spectrum technology is currently widely used to query the database.
  • the attribute information recorded in the white space database may include: a geographical range in which the spectrum can be used by the white space device, a usage period, and the like.
  • the terminal initiates a white space use request by using the white space device in the area, that is, requesting access to the white space database request information, and the location information of the terminal device can be carried in the request message.
  • Information such as spectrum usage time, required bandwidth, and transmission distance.
  • Step 202 The white space device receives feedback information returned by the server, where the feedback information carries address information in attribute information of at least one white space database, and is used to identify the at least one white space database.
  • the first identification information of the service provider is used to identify the at least one white space database.
  • the server that receives the request message returns feedback information to the white space device that initiated the request, and the feedback information follows the LoST (Location to Service) that is followed between the existing white space device and the server.
  • LoST Location to Service
  • the Translation Protocol a Geographic Location Based Service Discovery Protocol, feeds back the white space database address information to the white spectrum device.
  • the LOST protocol is a service discovery protocol for the client server model.
  • the protocol includes: LoST client (client) and LoST server (server).
  • the white space device is used as a LoST client.
  • the LoST client provides the location information (Location info) and the service identifier information (service identifier) to be used by the LoST server.
  • the LoST server finds out the location information provided by the LoST server based on the geographic location information and service type information provided by the LoST client.
  • the address information of a series of servers that require the service, and the provided address may be in the form of a URL (Uniform Resource Locator) and return the URLs to the LoST client; the addresses represent the servers where the white spectrum database is located. Address; After receiving these URLs, the LoST client can find the servers that can provide white space database services for it. For example: In emergency services (such as 110 calls), when users request an emergency service, they hope to get The address of the service center where the emergency service is provided, the LoST server will return the address of the server that can provide services for the user according to the geographical location information and service type information provided by the user.
  • the geographic location information that can be used in the LoST protocol includes geographic coordinates and city streets and house numbers.
  • the white space database allocates available white space resources to the terminal device through a corresponding algorithm according to the information provided by the terminal device and the white space information stored by itself.
  • the white space device in the feedback information sent by the server to the white space device, in addition to the address information in the attribute information carrying the white space database, more importantly, carrying the identifier for carrying The first identification information of the service provider of the white space database.
  • the attribute information of the service provider of the white space database is provided by the first identification information. Therefore, the white space device that is convenient to receive the feedback information can directly determine the white spectrum database that can be connected according to the first identification information.
  • the first identifier information is used to identify a service provider of the white spectrum database, and different white spectrum databases may be provided by the same service provider. Therefore, each white spectrum database corresponds to a first identifier. Information, and the same first identification information may correspond to multiple white spectrum databases at the same time.
  • the URL list of the white space database returned by the LoST server to the LoST client includes only the URL information corresponding to the white space database, where the URL of the database matching the white space device is included, and , also includes the URL of the database that does not match the white space device. Therefore, when the white space device performs the white space database discovery according to the URL list, the white space device cannot determine which one The database corresponding to the URL is suitable for connection. In this implementation mode, the white space device will have to try to establish an attempted connection with each white space database in the returned URL list. It can be seen that the efficiency of selecting the white space database is very good. low.
  • the first identifier information of the service provider for identifying the white space database is carried in the feedback information sent by the server to the white space device, for example: the white space database is identified by the first identification letter.
  • the manager information therefore, when the white space device receives the URL list of the white space database, it can easily determine whether the white space database corresponding to a certain URL matches the self by the first identification information, and then the white space device can Directly select the matching white spectrum database to connect.
  • Step 203 The white space device establishes a connection with a matching white space database according to the address information and the first identification information, and acquires a corresponding white space resource.
  • the white space device receives the feedback information returned by the server, and the first information of the service provider for identifying the white space database is carried in the feedback information, except for the address information carrying the white space database. Therefore, the white space device may select a matching white space database from the received address information of the white space database according to the first identification information, thereby establishing a connection with the matched white space database to obtain the corresponding white space resource. .
  • Step 204 The white space device uses the white space resource to provide an access service for the terminal.
  • the white space device obtains the corresponding white space resources from the matched white space database, and then uses the white space resources to provide access services for the terminal.
  • the white space device when the server receives the request information that is sent by the white space device and requests to access the white space database, when the server returns the feedback information to the white space device, the feedback information carries the white information for identifying the white
  • the white space device can obtain the matched white space database information according to the first identifier information, thereby directly connecting with the matched white spectrum database. Since the white spectrum database initiated by the white spectrum device is matched, the matched white spectrum database can be successfully connected, and then the white spectrum resource is successfully obtained. It can be seen that the white space device determines the matching white space database through the first identification information, which can greatly improve the accuracy of establishing the connection between the white space device and the white spectrum database.
  • the white space database for the white space device, whether the white space database is available or not will be affected by the factor that the white space device that initiated the request has a contract relationship with the manager of the white space database, and only the contract relationship exists.
  • the white spectrum database can successfully establish a connection.
  • the first identification information carried in the feedback information identifies the service provider's letter of the white space database. Therefore, the white space device may determine, according to the first identification information, whether there is a subscription relationship with the white space database corresponding to the first identification information. However, it is not sufficient to determine if the current white space database is a matching white space database simply by determining if there is a contractual relationship. There may be multiple white spectrum databases in which the contract relationship exists. Further, it is also necessary to determine whether the white space databases having the contract relationship have the white space resources required by the white space device.
  • At least one white space database in which at least one white space resource required for the white space device exists in the at least one white space database having a contract relationship with the white space device is determined as a matching white space database.
  • the white space device establishes a connection with one of the matching white spectrum databases.
  • the white space device can select any matching white spectrum database to connect.
  • the white space device can select another white spectrum database to re-initiate the connection.
  • the "administrator" attribute may be added to the URL list returned by the server, and the attribute of the service provider of the white space database is clearly identified by the attribute, for example, the manager information of the white spectrum database.
  • Step 301 The server receives request information sent by the white space device requesting access to the white space database, where the server is configured to store attribute information of the white space database;
  • Step 302 The server returns feedback information to the white space device, where the feedback information carries address information in attribute information of at least one white space database, and a service for identifying the at least one white space database
  • the first identification information of the provider wherein the first identification information is used by the white space device to determine at least one matching white space database; the address information is used by the white space device to match one of the
  • the white space database establishes a connection, acquires a corresponding white space resource, and uses the white space resource to provide an access service for the terminal.
  • This embodiment corresponds to the first embodiment, and the description of the communication flow is performed from the server side.
  • the server After receiving the request information sent by the white space device requesting access to the white space database, the server carries the first information of the service provider for identifying the white space database in the feedback information when the feedback information is returned to the white space device.
  • the identification information the white space device can obtain the matched white space database information according to the first identification information, and directly connect with the matched white spectrum database. Since the white space database that the white space device initiates connection is matched with, the matched white spectrum database can be successfully connected, and then the white space resource is successfully obtained. It can be seen that the white space device determines the matching white space database through the first identification information, which can greatly improve the white spectrum. The accuracy of the connection between the device and the white spectrum database.
  • the present invention also provides a third embodiment of a method for utilizing white space communication, which also improves the accuracy of establishing a connection between a white space device and a white space database.
  • Step 401 The white space device sends request information for accessing the white space database to the server, where the server is used to store the white space database. Attribute information, where the request message carries second identification information for identifying a matching white space database.
  • the white space device sends request information for accessing the white space database to the server.
  • the white space device carries the identification information in the sent request information.
  • the second identification information of the white spectrum database Through the second identification information, the white space device clearly identifies the white spectrum database that matches itself.
  • the server may explicitly learn the information of the white space database that matches the white space device that initiated the request according to the second identifier information.
  • Step 402 The white space device receives feedback information returned by the server, where the feedback information carries at least one white space database that is matched by the server according to the second identification information and matches the white space device. Address information.
  • the white space device receives the feedback information returned by the server, and the feedback information carries the address information in the attribute information of the white space database. It should be emphasized that the white space database corresponding to the address information carried in the feedback information matches the white spectrum device that initiated the request. The reason is that after the server receives the request information carrying the second identifier information, the white spectrum database matching the white space device may be directly determined according to the second identifier information, so that the address information of the matched white spectrum database is obtained. Feedback to the white space device that initiated the request facilitates direct connection of the white space device to the white space database.
  • Step 403 The white space device establishes a connection with one of the matched white spectrum databases according to the address information, and acquires a corresponding white space resource. [141] In this step, since the address information carried in the feedback information corresponds to the white spectrum database matched with the white space device, the white space device can successfully connect with the matched white spectrum database according to the address information.
  • the white space device establishes a connection with one of the matched white spectrum databases.
  • White spectrum devices can choose any one A matching white spectrum database is connected.
  • the white space device may select another white spectrum database to re-initiate the connection.
  • Step 404 The white space device uses the white space resource to provide an access service for the terminal.
  • the white space device obtains the corresponding white space resources from the matched white space database, and then uses the white space resources to provide access services for the terminal.
  • the request message when the white space device sends the request information for requesting access to the white space database to the server, the request message carries the second identification information for identifying the matching white space database, and the server according to the second The identification information feeds back information of the white space database matching the white space device to the white space device, so that the white space device can directly connect with the matched white space database. It can be seen that the accuracy of establishing a connection between the white space device and the white space database can be improved by carrying the attribute information of the white space database in the interaction information between the white space device and the server.
  • whether the white space database matches the factor that is also subject to the signing relationship between the white space device that initiated the request and the manager of the white space database is only present.
  • a white space database with a contracted relationship and white spectrum resources required for white space devices is a matching white space database to successfully establish a connection with the white space device.
  • the second identifier information carried in the request information may include: service provider information of the matched white space database, or country code information of a country to which the white space device belongs.
  • An application scenario is that, in addition to the geographical location information, the service type information, and the like of the white space device, the request information sent by the white space device to the server is newly added with a new attribute, and the new attribute identifier is used.
  • Service provider information for white spectrum databases acceptable to white space devices for example: If the white space device is contracted with some white space database administrators, the white space device can sign these white contracts with itself. The information of the spectrum database manager is notified to the server. After the server receives the identification information identifying the matching white space database manager information, the server may return the white space device only to the white space device according to the identified contract relationship. The address of the white spectrum database of the relationship. Thereby, the unnecessary connection between the white space device and the white spectrum database without the contract relationship is saved, and the connection efficiency between the white space device and the white spectrum database is greatly improved.
  • the LoST server returns the URL of the server that can provide the corresponding service to the LoST client according to the Location information.
  • the location information usually used in the location information may have inherent inaccuracy. Defect, which causes the LoST server to return according to the Location information.
  • some unrelated servers may be returned to the LoST client. For example: If the white space device is used at the border, when the white space device reports the geographic location coordinates to the LoST server, the LoST server may incorrectly determine the country in which the white spectrum device is located.
  • the present invention provides the following corresponding solutions to the problem that the LoST server returns too much inappropriate white space database information due to insufficient accuracy of the location information in the form of geographic coordinates.
  • the embodiment of the present invention requests access to the white space database in the white space information request.
  • An attribute element representing the country code information is added to the request information, and the attribute element is used to clearly identify the country in which the white space device is currently located.
  • the server feeds back the address information of the white space database in the country corresponding to the country code to the white space device according to the country code information, thereby greatly improving the connection efficiency between the white space device and the white space database.
  • an embodiment of the present invention provides a fourth embodiment of a method for utilizing white space communication.
  • the specific communication process is as follows: [153] Step 501: The server receives request information sent by the white space device requesting access to the white space database, where the server is configured to store attribute information of the white space database, the request The message carries second identification information for identifying a matching white space database;
  • Step 502 The server determines, according to the second identifier information, at least one white space database that matches the white space device.
  • Step 503 The server returns feedback information to the white space device.
  • the feedback information carries at least one address information of a white space database that matches the white space device; wherein the address information is used by the white space device to establish a connection with one of the matched white space databases, and obtain corresponding A white space resource, and the white space resource is used to provide an access service for the terminal.
  • the request message when the white space device sends the request information for requesting access to the white space database to the server, the request message carries the second identification information for identifying the matching white space database, and the server according to the second The identification information feeds back information of the white space database matching the white space device to the white space device, so that the white space device can directly connect with the matched white space database. It can be seen that the accuracy of establishing a connection between the white space device and the white space database can be improved by carrying the attribute information of the white space database in the interaction information between the white space device and the server.
  • the white space database matches the factor of whether the white space device that initiates the request has a contractual relationship with the manager of the white space database, only the contract relationship exists, and the white space device exists.
  • a white space database that requires white space resources is a matching white space database to successfully establish a connection with a white space device.
  • the second identifier information carried in the request information may include: service provider information of the matched white space database, or country code information of a country to which the white space device belongs.
  • the present invention provides an embodiment of a white space device.
  • the white space device may specifically include:
  • the first requesting module 601 is configured to send, to the server, request information for requesting access to the white space database, where the server is configured to store attribute information of the white space database;
  • the first feedback receiving module 602 is configured to receive feedback information returned by the server according to the request information sent by the first request module, where the feedback information carries address information in attribute information of at least one white space database. And first identification information for identifying a service provider of the at least one white space database;
  • the first connection module 603 is configured to establish a connection with a matching white space database according to the address information and the first identification information received by the first feedback receiving module, to obtain a corresponding white space resource;
  • the first service providing module 604 is configured to provide an access service for the terminal by using the white space resource acquired by the first connection module.
  • the attribute information recorded in the white space database may include: a geographical range, a usage time period, and the like of the spectrum that can be used by the white space device.
  • the terminal initiates a white space use request by using the white space device in the area, that is, requesting access to the white space database request information, and the location information of the terminal device can be carried in the request message.
  • Information such as spectrum usage time, required bandwidth, and transmission distance.
  • the feedback information returned by the server to the requesting white space device feeds back the address information of the white space database to the white space device according to the LOST protocol followed between the existing white space device and the server.
  • the feedback information sent by the server to the white space device in addition to the address information in the attribute information carrying the white space database, more importantly, carrying the service provider for identifying the white space database An identification information.
  • the attribute information of the service provider of the white space database is provided by the first identification information. Therefore, the white space device that is convenient to receive the feedback information can directly determine the white spectrum database that can be connected according to the first identification information.
  • the white space device When the white space device receives the feedback information returned by the server, the feedback information carries the first identification information of the service provider for identifying the white space database, in addition to the address information carrying the white space database.
  • the white space device may select a matching white space database from the received address information of the white space database according to the first identification information, thereby establishing a connection with the matched white space database to obtain the corresponding white space resource.
  • the white space device when the server receives the request information that is sent by the white space device and requests to access the white space database, when the server returns the feedback information to the white space device, the information is carried in the feedback information for identifying the white
  • the first identifier information of the service provider of the spectrum database the white space device can obtain the matched white space database information according to the first identifier information, thereby directly connecting with the matched white spectrum database. Since the white spectrum database initiated by the white spectrum device is matched, the matched white spectrum database can be successfully connected, and then the white spectrum resource is successfully obtained. It can be seen that the white space device determines the matching white space database through the first identification information, which can greatly improve the accuracy of establishing the connection between the white space device and the white spectrum database.
  • the first connection module may specifically include:
  • the first subscription determining unit is configured to determine, according to the first identification information, at least one white space database that has a contractual relationship with the white space device;
  • the first matching determining unit is configured to determine, in the at least one white space database that has the contracting relationship with the white space device, at least one white space database that is required for the white space resource of the white space device to match White spectrum database;
  • a first connecting unit configured to establish a connection with one of the matched white spectrum databases.
  • at least one white space database in which at least one white space resource required for the white space device exists in the at least one white space database having a contract relationship with the white space device is determined as a matched white space database.
  • the white space device establishes a connection with one of the matching white spectrum databases.
  • the white space device can select any one of the matched white spectrum databases to connect.
  • the white space device can select another white spectrum database to re-initiate the connection.
  • the present invention further provides a server embodiment.
  • the server may specifically include:
  • the first request receiving module 701 is configured to receive request information sent by the white space device requesting access to the white space database;
  • the first feedback module 702 is configured to: return, according to the request message received by the first request receiving module, feedback information to the white space device, where the feedback information carries attribute information of at least one white space database. Address information, and first identification information of a service provider for identifying the at least one white space database; wherein the first identification information is used by the white space device to determine at least one matching white space database;
  • the address information is used by the white space device to establish a connection with one of the matched white space databases, obtain a corresponding white space resource, and use the white space resource to provide an access service for the terminal.
  • the white space device when the server receives the request information that is sent by the white space device and requests to access the white space database, when the feedback information is returned to the white space device, the feedback information is carried in the feedback information for identifying the white
  • the first identifier information of the service provider of the spectrum database the white space device can obtain the matched white space database information according to the first identifier information, thereby directly connecting with the matched white spectrum database. Since the white space database that the white space device initiates the connection matches, the matched white spectrum database can be successfully connected, and then the white spectrum resource is successfully obtained. It can be seen that the white space device determines the matching white space database through the first identification information, which can greatly improve the accuracy of establishing a connection between the white space device and the white space database.
  • the present invention provides an embodiment of a white space device.
  • the white space device may specifically include:
  • the second requesting module 801 is configured to send, to the server, request information for requesting access to the white space database, where the server is configured to store attribute information of the white space database, where the request message carries a white space database for identifying the matching. Second identification information;
  • the second feedback receiving module 802 is configured to receive feedback information returned by the server according to the request information sent by the second request module, where the feedback information carries the identifier determined by the server according to the second identifier information. Address information of at least one white space database matched by the white space device;
  • the second connection module 803 is configured to establish, according to the address information received by the feedback receiving module, a connection with one of the matched white spectrum databases to obtain a corresponding white space resource.
  • the second service providing module 804 is configured to provide an access service for the terminal by using the white space resource acquired by the connection module.
  • the white space device sends request information for accessing the white space database to the server.
  • the white space device passes the second request module 801.
  • the second identification information used to identify the matching white space database is carried in the sent request information.
  • the white space device clearly identifies the white spectrum database that matches itself. Because the request information carries the second identifier information, the server can explicitly learn the information of the white space database that matches the white space device that initiated the request according to the second identifier information.
  • the white space device receives the feedback information returned by the server,
  • the white space device can successfully connect with the matched white space database according to the address information. Specifically, there may be more than one white spectrum database matching the white space device, in which case the white space device establishes a connection with one of the matched white spectrum databases. The white space device can select any matching white spectrum database to connect. When the white space device is successfully connected to the currently selected white space database, the white space device can select another white spectrum database to re-initiate the connection.
  • the white space device in the embodiment of the present invention when the white space device sends the request information for requesting access to the white space database to the server, the request message carries the second identification information for identifying the matching white space database, and the server And transmitting, according to the second identifier information, information of the white space database that matches the white space device to the white space device, so that the white space device can directly connect with the matched white space database. It can be seen that the accuracy of establishing a connection between the white space device and the white space database can be improved by carrying the attribute information of the white space database in the interaction information between the white space device and the server.
  • the second identifier information carried in the request information may include: service provider information of the matched white space database, or country code information of a country to which the white space device belongs.
  • the white space device can notify the server of the service provider information of the matched white space database. After the server receives the service provider information identifying the matched white space databases, the server can follow the identified contract relationship. The address of the white space database having a contracted relationship with the white space device is returned only to the white space device. Thereby, the unnecessary connection between the white space device and the white spectrum database without the contract relationship is omitted, and the connection efficiency between the white space device and the white spectrum database is greatly improved.
  • an attribute element representing country code information is added to the request information for requesting access to the white space database initiated by the white space information, and the attribute element is used to clearly identify the country in which the white space device is currently located. Therefore, the server feeds back the address information of the white space database in the country range corresponding to the country code to the white space device according to the country code information, which can greatly improve the connection efficiency between the white space device and the white space database.
  • the present invention provides a server embodiment.
  • the server may specifically include:
  • the second request receiving module 901 is configured to receive request information that is sent by the white space device to request access to the white space database, where the server is configured to store attribute information of the white space database, where the request message is carried in the identifier for carrying Second identification information of the white spectrum database;
  • the matching database determining module 902 is configured to determine, according to the second identification information received by the second request receiving module, at least one white space database that matches the white space device;
  • the second feedback module 903 is configured to return feedback information to the white space device, where the feedback information carries address information of at least one white space database that matches the white space device determined by the matching database determining module.
  • the address information is used by the white space device to establish a connection with one of the matched white space databases, obtain a corresponding white space resource, and use the white space resource to provide an access service for the terminal.
  • the request message when the white space device sends the request information for requesting access to the white space database to the server, the request message carries the second identification information for identifying the matching white space database, and the server according to the second The identification information feeds back information of the white space database matching the white space device to the white space device, so that the white space device can directly connect with the matched white space database. It can be seen that the accuracy of establishing a connection between the white space device and the white space database can be improved by carrying the attribute information of the white space database in the interaction information between the white space device and the server.
  • the matching database determining module may specifically include:
  • a second subscription determining unit configured to determine, according to the second identification information, at least one white space database that has a contractual relationship with the white space device;
  • a second matching determining unit configured to: the white spectrum resource required by the white space device exists in at least one white spectrum database that is determined by the second subscription determining unit to be in a contract relationship with the white space device At least one white spectrum database is determined as the matched white spectrum database.
  • the spectrum database is the matching white spectrum database to successfully establish a connection with the white space device.
  • the second identifier information includes: service provider information of the matched white space database or country code information of a country to which the white space device belongs.
  • the present invention further provides a white space device implemented by a computer system.
  • the white space device of the embodiment of the present invention may include: a first processor 1001, a first receiver 1002, a first transmitter 1003 and a bus 1004; wherein
  • the first processor 1001, the first receiver 1002, and the first transmitter 1003 are connected by the bus;
  • the first transmitter 1003 is configured to send, to the server, request information for requesting access to a white space database, where the server is configured to store attribute information of the white space database;
  • the first receiver 1002 is configured to receive feedback information returned by the server according to the request message sent by the first transmitter 1003, where the feedback information carries an address in attribute information of at least one white space database.
  • the first processor 1001 is configured to establish a connection with a matching white space database according to the address information received by the first receiver 1002 and the first identification information, to obtain a corresponding white space resource, and
  • the white spectrum resource is used to provide an access service for the terminal.
  • the first processor establishes a connection with the matched white data database according to the address information received by the receiver and the first identification information, and specifically includes:
  • the first processor determines, according to the first identification information, at least one white space database that has a contractual relationship with the white space device; [210] the first processor: the first processor At least one white space database in which at least one white space database of the spectrum device has a subscription relationship and at least one white spectrum database required for the white space device is determined to be a matching white space database;
  • the first processor establishes a connection with one of the matched white spectrum databases.
  • the present invention further provides a server implemented based on a computer system, including: a second processor 1101, a second receiver 1102, a second transmitter 1103, and a bus 1104;
  • the second processor 1101, the second receiver 1102, and the second transmitter 1103 are connected by the bus 1104;
  • the second receiver 1102 is configured to receive a request sent by the white space device to access the white space database. Ask for information;
  • the second processor 1101 is configured to return, according to the request information received by the second receiver 1102, feedback information to the white space device, where the feedback information carries attributes of at least one white space database. Address information in the information, and first identification information of the service provider for identifying the at least one white space database; wherein the first identification information is used by the white space device to determine at least one matching white spectrum database The address information is used by the white space device to establish a connection with one of the matched white space databases, obtain a corresponding white space resource, and use the white space resource to provide an access service for the terminal;
  • the second transmitter 1103 is configured to return the feedback information returned by the second processor 1101 to the white space device.
  • the present invention further provides a white space device implemented by a computer system.
  • the white space device of the embodiment of the present invention may include: a third processor 1201 and a third receiver. 1202, a third transmitter 1203 and a bus 1204; wherein
  • the third processor 1201, the third receiver 1202, and the third transmitter 1203 are connected by the bus 1204;
  • the third transmitter 1203 is configured to send, to the server, request information for requesting access to the white space database, where the server is configured to store attribute information of the white space database, where the request message carries white for identifying the matching. Second identification information of the spectrum database;
  • the third receiver 1202 is configured to receive feedback information returned by the server according to the request information sent by the third transmitter 1203, where the feedback information carries the server determines according to the second identifier information. Address information of at least one white space database matching the white space device;
  • the second processor 1201 is configured to establish a connection with one of the matched white space databases according to the address information received by the third receiver 1202, acquire a corresponding white space resource, and use the The white space resource acquired by the connection module is used to provide an access service for the terminal by using the white space resource.
  • the second identification information includes: service provider information of the matched white space database or country code information of a country to which the white space device belongs.
  • the present invention further provides a server implemented based on a computer system, comprising: a fourth processor 1301, a fourth receiver 1302, a fourth transmitter 1303, and a bus 1304;
  • the fourth processor 1301, the fourth receiver 1302, and the fourth transmitter 1303 are connected by the bus 1304; [225]
  • the fourth receiver 1302 is configured to receive, by the white space device, request information for requesting access to the white space database, where the server is configured to store attribute information of the white space database, where the request message carries identifiers for identifying matches. Second identification information of the white spectrum database;
  • the fourth processor 1301 is configured to determine, according to the second identifier information received by the fourth receiver 1302, at least one white space database that matches the white space device;
  • a fourth transmitter 1303, configured to return feedback information to the white space device, where the feedback information carries an address of at least one white space database that is matched by the fourth processor 1301 and matches the white space device.
  • the address information is used by the white space device to establish a connection with one of the matched white space databases, obtain a corresponding white space resource, and use the white space resource to provide an access service for the terminal.
  • Determining, by the fourth processor, the at least one white space database that matches the white spectrum device according to the second identifier information received by the fourth receiver specifically:
  • the fourth processor determines, according to the second identifier information, at least one white space database that has a contractual relationship with the white space device;
  • the fourth processor determines, as the match, at least one white space database of the white space resource required by the white space device in the at least one white space database that has a contract relationship with the white space device White spectrum database.
  • the second identification information includes: service provider information of the matched white space database or country code information of a country to which the white space device belongs.
  • the processor may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), or the like.
  • the computer storage medium may store a program that, when executed, may include some or all of the steps in various embodiments of the method of data transmission provided by embodiments of the present invention.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple networks. On the unit. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

Abstract

L'invention concerne un procédé et un dispositif de communication utilisant un spectre blanc, qui peuvent améliorer la précision d'un dispositif de spectre blanc dans l'établissement d'une connexion à une base de données de spectres blancs. Le procédé de communication utilisant un spectre blanc consiste plus particulièrement : à envoyer, au moyen d'un dispositif de spectre blanc, des informations de requête concernant la requête d'un accès à une base de données de spectres blancs à un serveur, le serveur étant utilisé pour stocker des informations d'attribut concernant la base de données de spectres blancs ; à recevoir, au moyen du dispositif de spectre blanc, des informations de rétroaction renvoyées par le serveur, les informations de rétroaction véhiculant des informations d'adresse dans les informations d'attribut concernant au moins une base de données de fréquences blanches et étant utilisées pour identifier des premières informations d'identification concernant un fournisseur de services de la ou des bases de données de spectres blancs ; selon les informations d'adresse et les premières informations d'identification, à établir, au moyen du dispositif de spectre blanc, une connexion à une base de données de spectres blancs mise en correspondance, de façon à acquérir une ressource de spectre blanc correspondante ; et à fournir, au moyen du dispositif de spectre blanc, un service d'accès pour un terminal par utilisation de la ressource de spectre blanc.
PCT/CN2013/089366 2013-12-13 2013-12-13 Procédé et dispositif de communication utilisant un spectre blanc WO2015085573A1 (fr)

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CN108124312A (zh) * 2017-11-22 2018-06-05 余仪琳 一种物联网通信控制方法

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