WO2017202220A1 - Procédé de sélection de ressources de spectre de fréquence de canal, dispositif et système de sélection de ressources de spectre de fréquence de canal - Google Patents

Procédé de sélection de ressources de spectre de fréquence de canal, dispositif et système de sélection de ressources de spectre de fréquence de canal Download PDF

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Publication number
WO2017202220A1
WO2017202220A1 PCT/CN2017/084289 CN2017084289W WO2017202220A1 WO 2017202220 A1 WO2017202220 A1 WO 2017202220A1 CN 2017084289 W CN2017084289 W CN 2017084289W WO 2017202220 A1 WO2017202220 A1 WO 2017202220A1
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Prior art keywords
channel
information
currently available
spectrum
spectrum query
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PCT/CN2017/084289
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English (en)
Chinese (zh)
Inventor
阳建军
肖峻峰
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华为技术有限公司
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Publication of WO2017202220A1 publication Critical patent/WO2017202220A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for selecting a channel spectrum resource, a first device, a second device, and a channel spectrum resource selection system.
  • SAS Spectral Access System
  • the channel spectrum resources that can be used by the SAS are limited, and the operator cannot actively select the desired channel spectrum resources according to his own needs, and can only use the channel spectrum resources that the SAS has allocated.
  • the operators here can be EMS, NMS, CBSD or third party service providers.
  • the channel spectrum resources selected by SAS may not meet the needs of operators.
  • the embodiment of the present invention provides a method for selecting a channel spectrum resource, a first device, a second device, and a channel spectrum resource selection system, which are used to select information of a target channel from information of a currently available channel according to channel requirements, and satisfy operation. Business needs.
  • a first aspect of the embodiments of the present invention provides a method for selecting a channel spectrum resource, where the method includes: the first device sends a spectrum query request to the second device, where the spectrum query request includes channel feedback information, and the channel feedback information is used to indicate the second The device feeds back information about the currently available channel to the first device; the first device receives the spectrum query response sent by the second device, and the spectrum query response includes information about the currently available channel; the first device selects the target channel from the information of the currently available channel, and the target The channel corresponds to the channel requirement of the first device, that is, the target channel satisfies the channel requirement of the first device.
  • the first device before the first device sends the spectrum query request to the second device, the first device sends an authentication request and a registration request to the second device, where the first device sends a spectrum query request to the second device, and the second device determines the current
  • the information of the available channel is fed back to the first device, as long as the channel with the remaining bandwidth can be referred to as the currently available channel, the first device
  • the target channel can be selected from the information of the currently available channel according to its own channel requirement. In this way, the target channel is selected by the first device, and to a large extent, the operational requirements are met, and the target channel can be flexibly selected.
  • the channel requirement includes a channel number
  • the first device selects a target channel from the information of the currently available channel
  • the method includes: the first device selects a target channel that is the same number of channels from the information of the currently available channel according to the number of channels.
  • the channel requirement includes information of the number of channels, that is, several channels are required, and the first device may select a target channel from the currently available channels according to the number of channels, and provide a Selected option.
  • the channel requirement further includes continuous channel number information, where the continuous channel number information is used to indicate that the channel number of the target channel is
  • the first device selects the target channel from the information of the currently available channel, and may include: the first device selects the target channel with the same number of channels from the information of the currently available channel according to the number of channels and the continuous channel number information, And the channel number of the target channel is continuous.
  • the operator may make additional requirements for the channel requirement because of the demand of the service, where the channel requirement further includes continuous channel number information, then the first device selects the target channel according to the number of channels.
  • the channel number of the selected target channel is continuous, and only the continuous channel number satisfies the channel requirement, and another alternative is provided.
  • the method further includes: the first device sends an authorization request for the target channel to the second device; The second device's authorized response to the target channel.
  • an optional solution is that after the first device selects the target channel, if the target channel is to be used for communication, the second device needs to send an authorization request for the target channel. After receiving the authorization response of the second device, the channel spectrum resource of the target channel can be used for communication.
  • a second aspect of the embodiments of the present invention provides a method for selecting a channel spectrum resource, where the first device sends a spectrum query request to a second device, where the spectrum query request includes a channel requirement, and the first device receives the spectrum query sent by the second device.
  • the spectrum query response includes information of the target channel, and the information of the target channel corresponds to the channel requirement.
  • the first device before the first device sends the spectrum query request to the second device, the first device sends an authentication request and a registration request to the second device, where the first device sends a spectrum query request to the second device, where the spectrum query request includes
  • the channel requirement is that the second device selects the target channel according to the channel requirement, and feeds back the information of the target channel to the first device, thereby saving network resources.
  • the method may further include: The second device sends an authorization request for the target channel; the first device receives the authorization response of the second device to the target channel.
  • the first device after the first device receives the information of the target channel, if the target channel is to be used for communication, the first device needs to send an authorization request for the target channel to the second device.
  • the channel spectrum resource of the target channel can be used for communication after receiving the authorization response of the second device.
  • a third aspect of the embodiments of the present invention provides a method for selecting a channel spectrum resource, where the method includes: the second device receives a spectrum query request sent by the first device, where the spectrum query request includes channel feedback information, and the channel feedback information is used to indicate The second device feeds back information about the currently available channel to the first device; the second device determines information about the currently available channel according to the spectrum query request; the second device sends a spectrum query response to the first device, where the spectrum query response includes information of the currently available channel.
  • the second device receives the spectrum query request sent by the second device, where the spectrum query request includes channel feedback information, and the second device sends the information about the currently available channel to the first device according to the channel feedback information, so that The first device autonomously selects the target channel according to its own channel requirement, so as to better meet the needs of the operator.
  • the method may further include: the second device receiving the first The authorization request sent by the device to the target channel; the second device sends an authorization response to the target channel to the first device according to the authorization request.
  • the second device receives the authorization request for the target channel sent by the first device, and the second device feeds back the authorization response to the first device, so that the first device can use the target channel for communication.
  • a fourth aspect of the embodiments of the present invention provides a method for selecting a channel spectrum resource, which may include: receiving, by a second device, a spectrum query request sent by a first device, where the spectrum query request includes a channel requirement; and the second device according to the channel requirement
  • the target channel is selected from the information of the currently available channel, and the information of the currently available channel is determined by the second device according to the spectrum query request; the second device sends a spectrum query response to the first device, where the spectrum query response includes information of the target channel.
  • the spectrum query request received by the second device includes a channel requirement, where the channel requirement is a channel requirement of the first device, and after the second device determines the information of the currently available channel, directly from the current available according to the channel requirement.
  • the target channel is selected in the channel, and the information of the target channel is sent to the first device, which can meet the needs of the operator and save network resources.
  • the channel requirement includes a channel number
  • the second device selects a target channel from information about the currently available channel according to the channel requirement.
  • the method may include: selecting, by the second device, the target channel that is the same number of channels from the information of the currently available channel according to the number of channels.
  • the channel requirement includes information on the number of channels, that is, several channels are required, and the second device can select a target channel from the currently available channels according to the number of channels, and provides a Selected option.
  • the channel requirement further includes continuous channel number information, where the continuous channel number information is used to indicate the target channel.
  • the channel number is continuous;
  • the second device selects the target channel from the information of the currently available channel according to the channel requirement, and the method includes: the second device selects, according to the number of channels and the continuous channel number information, information from the currently available channel.
  • the target channel is the same as the number of channels, and the channel number of the target channel is continuous.
  • the operator may make additional requirements for the channel requirement because of the demand of the service, where the channel requirement further includes continuous channel number information, then the second device selects the target channel according to the number of channels.
  • the channel number of the selected target channel is continuous, and only the continuous channel number satisfies the channel requirement, and another alternative is provided.
  • the method further The method may include: the second device receives an authorization request for the target channel sent by the first device; and the second device sends an authorization response to the target channel to the first device according to the authorization request.
  • the second device receives the authorization request for the target channel sent by the first device, and the second device feeds back the authorization response to the first device, so that the first device can use the target channel for communication.
  • a fifth aspect of the embodiments of the present invention provides a first device, which has a function of implementing a method corresponding to the channel spectrum resource selection provided by the foregoing first aspect.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • a sixth aspect of the embodiments of the present invention provides a first device, having a function of implementing a method corresponding to the channel spectrum resource selection provided by the foregoing second aspect.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • a seventh aspect of the embodiments of the present invention provides a second device, which has a function of implementing a method corresponding to the channel spectrum resource selection provided by the foregoing third aspect.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • An eighth aspect of the embodiments of the present invention provides a second device, having a function of implementing a method corresponding to the channel spectrum resource selection provided by the foregoing fourth aspect.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • a ninth aspect of the embodiments of the present invention provides a first device, which may include: a transceiver, a processor, and a bus; the transceiver and the processor are connected by using the bus;
  • the transceiver is configured to send a spectrum query request to the second device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to indicate that the second device feeds back the currently available channel to the first device.
  • the processor is configured to select a target channel from the information of the currently available channel, where the target channel corresponds to a channel requirement of the first device.
  • a tenth aspect of the embodiments of the present invention provides a first device, which may include: a transceiver;
  • the transceiver is configured to send a spectrum query request to the second device, where the spectrum query request includes a channel requirement, and receive a spectrum query response sent by the second device, where the spectrum query response includes information of a target channel, The information of the target channel corresponds to the channel requirement.
  • An eleventh embodiment of the present invention provides a second device, which may include: a transceiver, a processor, and a bus; and the transceiver and the processor are connected by using the bus;
  • the transceiver is configured to receive a spectrum query request sent by the first device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to indicate that the second device feeds back the currently available channel to the first device. Information; transmitting a spectrum query response to the first device, the spectrum query response including information of the currently available channel;
  • the processor is configured to determine information about a currently available channel according to the spectrum query request.
  • a twelfth aspect of the embodiments of the present invention provides a second device, which may include: a transceiver, a processor, and a bus; and the transceiver and the processor are connected by using the bus;
  • the transceiver is configured to receive a spectrum query request sent by the first device, where the spectrum query request includes a channel requirement, and send a spectrum query response to the first device, where the spectrum query response includes information of the target channel;
  • the processor is configured to select, according to the channel requirement, a target channel from information about a currently available channel, where information of the currently available channel is determined by the second device according to the spectrum query request.
  • a thirteenth aspect of the embodiments of the present invention provides a channel spectrum resource selection system, including a first device and a second device, where the first device is the first device described in any one of the possible implementations of the foregoing first aspect.
  • the second device is a second device as described in any of the possible implementations of the third aspect above.
  • a fourteenth aspect of the embodiments of the present invention provides a channel spectrum resource selection system, including a first device and a second device, where the first device is the first device described in any one of the possible implementations of the foregoing second aspect.
  • the second device is a second device as described in any of the possible implementations of the fourth aspect described above.
  • a fifteenth aspect of the embodiments of the present invention provides a storage medium. It should be noted that the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be implemented by software.
  • the computer software product is stored in a storage medium for storing computer software instructions for use in the above apparatus, comprising: for performing the first aspect, the second aspect, the third aspect or the fourth aspect described above The program designed by the device.
  • the 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.
  • the first device sends a spectrum query request to the second device, and after determining the information of the currently available channel, the second device sends a spectrum query response to the first device, where the spectrum query response includes information about the currently available channel.
  • the first device can select the information of the target channel from the information of the currently available channel according to the channel requirement, and the first device can actively select the target channel according to the channel requirement of the first channel, thereby improving the flexibility of channel selection and meeting the channel requirement of the first device.
  • FIG. 1 is a schematic diagram of an application scenario of a spectrum access system according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an embodiment of a method for selecting a channel spectrum resource according to an embodiment of the present invention
  • 3 is a schematic diagram of channel spectrum resources between 3550-3700 MHz according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another embodiment of a method for selecting a channel spectrum resource according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an embodiment of a first device according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another embodiment of a first device according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an embodiment of a second device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of another embodiment of a second device according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another embodiment of a first device according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another embodiment of a first device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram of another embodiment of a second device according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of another embodiment of a second device according to an embodiment of the present invention.
  • the embodiment of the present invention provides a method for selecting a channel spectrum resource, a first device, and a second device, which are used to select information of a target channel from information of a currently available channel according to channel requirements. Meet the needs of operators.
  • the Spectrum Access System is a centralized management center for 3.5 GHz spectrum.
  • SAS directly or indirectly controls the citizens Broadband Radio Service Device (CBSD) using the 3.5 GHz spectrum.
  • CBSD Citizens Broadband Radio Service Device
  • FIG. 1 a schematic diagram of an application scenario of a spectrum access system may include a SAS, a CBSD, a database, a primary user, an Environment Sensing Capability (ESC), a domain proxy (Domain Proxy), and a unit management system ( Other devices such as Element Management System, EMS).
  • ESC Environment Sensing Capability
  • Domain Proxy domain proxy
  • EMS unit management system
  • SAS is mainly used to collect channel occupancy information of geographical locations; provide a list of available channels for geographic locations; CBSD authentication, registration, etc.;
  • CBSD mainly refers to devices that use the 3.5 GHz band in spectrum sharing mode
  • FCC Database generally refers to the FCC database of the Federal Communications Commission (FCC) database, which is mainly used to store Priority Access Layer (PAL) users/devices and General Authorized Access (GAA). User/device information;
  • FCC Federal Communications Commission
  • PAL Priority Access Layer
  • GAA General Authorized Access
  • the main user mainly includes the existing main user information; the exclusive area information;
  • the ESC is mainly used to listen to the primary user signal; it is determined that the primary user reaches the affected area;
  • the domain agent is an intermediate management entity that selects the channel used for CBSD or transmits information to the EMS for calculation by the EMS;
  • the EMS can also be an NMS (Network Management System) network management system, which is an operator network management system. It mainly uses channel and power information for CBSD configuration.
  • NMS Network Management System
  • the user of the Incumbent Access has the highest priority channel spectrum resource usage right at the first layer, and the other priority access layer users and the general authorized access users cannot interfere with the primary user;
  • Priority Access (PA) users or Priority Access Layer (PAL) users At the second level, the channel spectrum resource usage rights of one or more census tracts are obtained through auction, and channel spectrum resources are used.
  • the priority is lower than that of the primary user but higher than that of the GAA user.
  • the channel spectrum resources being used need to exit the spectrum occupation when the primary user arrives, and will not be interfered by the GAA user;
  • GAA General Authorized Access
  • an embodiment of a method for selecting a channel spectrum resource in an embodiment of the present invention includes:
  • the first device sends a spectrum query request to the second device, where the spectrum query request includes channel selection information.
  • the first device sends a spectrum query request to the second device, and the spectrum query request includes channel selection information; the two steps of a and b may be included, as follows:
  • the first device sends a spectrum query request to the second device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to instruct the second device to feed back information about the currently available channel to the first device.
  • the first device before the first device sends the spectrum query request to the second device, the first device sends an authentication request (Authenticate Request) to the second device, where the authentication request may include the device identity and the user.
  • the second device sends an authentication response (Authenticate Response) to the first device, and the first device sends a registration request (Register Request) to the second device, where the registration request may include the type, name, and geography of the device.
  • the second device sends a registration response (Register Response) to the first device, and then the first device sends a spectrum inquiry request to the second device, where the spectrum query request includes channel feedback information and channel feedback information. And information for instructing the second device to feed back the currently available channel to the first device.
  • the first device herein may be the EMS or NMS of the operator mentioned above, or may be a CBSD or a base station eNB. If the operator or the enterprise does not deploy the EMS, the NMS, or the CBSD, the first device also It can be replaced by a domain proxy, which is not limited herein.
  • the second device here may be the SAS mentioned above.
  • the first device mainly acquires channel spectrum resources for the PAL user and the GAA user.
  • the second device receives the spectrum query request sent by the first device, and the spectrum query request includes channel feedback information, where the channel feedback information is used to instruct the second device to feed back information about the currently available channel to the first device.
  • the second device receives the spectrum query request sent by the first device, where the spectrum query request includes channel feedback information, and the channel feedback information is used to indicate that the second device is The first device feeds back information of the currently available channel, and the first device selects information of the target channel from information of the currently available channel.
  • the second device determines information about a currently available channel according to the spectrum query request.
  • the second device determines the currently available channel information (Available Channels) according to the spectrum query request. Specifically, in an actual application, the second device may determine information about the currently available channel according to the spectrum query request, the currently available spectrum, the interference situation, and the geographic location. It should be noted that the reference condition that the second device determines the information of the currently available channel is not limited to the available spectrum, the interference, or the geographic location, and may include other reference conditions, which are not limited herein.
  • FIG. 3 it is a schematic diagram of channel spectrum resources between 3550-3700 MHz, PAL is a priority access layer user, and in the second layer, an optional channel is channel number 1-7, GAA is general Authorized access to users, at the most At the bottom layer, the optional channels are channel numbers 1-15.
  • the information of the currently available channel determined by the second device is represented by a channel number, which is [2, 3, 5, 8, 9, 10, 12].
  • the second device sends a spectrum query response to the first device.
  • the second device sends the spectrum query response to the first device, which may include two steps of c and d, as follows:
  • the second device sends a spectrum query response to the first device, where the spectrum query response includes information about the currently available channel;
  • the second device after determining, according to the spectrum query request, the second device sends a spectrum inquiry response (Spectrum Inquiry Response) to the first device, where the spectrum query response includes information about the currently available channel. 3, 5, 8, 9, 10, 12].
  • a spectrum inquiry response (Spectrum Inquiry Response)
  • the first device receives the spectrum query response sent by the second device, where the spectrum query response includes information about the currently available channel.
  • the first device receives the spectrum query response sent by the second device, where the spectrum query response includes information about the currently available channel [2, 3, 5, 8, 9, 10, 12].
  • the first device selects a target channel from information about a currently available channel, where the target channel corresponds to a channel requirement of the first device.
  • the first device selects a target channel from the information [2, 3, 5, 8, 9, 10, 12] of the currently available channel, and the target channel corresponds to the channel requirement of the first device, that is, the target The channel satisfies the channel requirements of the first device.
  • the channel requirement includes the number of channels. Then, specifically, the first device selects the same target channel as the number of channels from the information of the currently available channel according to the number of channels. That is, the first device needs several channels, and selects the target channel that satisfies the number of channels from the information of the currently available channel.
  • the channel requirement includes channel number and continuous channel number information, and the continuous channel number information is used to indicate that the channel number of the target channel is continuous.
  • the first device selects the target channel with the same number of channels from the information of the currently available channel according to the number of channels and the continuous channel number information, and the channel number of the target channel is continuous.
  • the first device here requests the channel spectrum resource for the GAA user, the channel requirement is that three channels are required, and the channel numbers of the three channels are required to be continuous, then the information from the currently available channel [2]
  • the information of the target channel selected in 3, 5, 8, 9, 10, 12] is [8, 9, 10], and 3 consecutive channels are used as target channels.
  • the channel requirement includes the number of channels and the same channel number information.
  • the same channel number information here means that the first device requests channel spectrum resources for several PAL users or GAA users at the same time, and these PAL users or GAA users require The selected channel numbers are the same; or, at the same time, several first devices request channel spectrum resources for the PAL user or the GAA user, and the first device requires that the selected channel numbers be the same.
  • the first device requests channel spectrum resources for three PAL users, and that the channel numbers selected for the three PAL users are the same, the first device selects the same channel as the target channel. Or, at the same time, two first devices request channel spectrum resources for the GAA user, and request the target signals selected by the two first devices. The channel numbers of the channels are the same, then the two first devices select the same channel as the target channel.
  • the channel requirement herein may also include other information, and the corresponding target channel may be selected according to different channel requirements of the first device, thereby meeting the requirements of the operator.
  • the first device sends an authorization request for the target channel to the second device.
  • the first device sends an authorization request for the target channel to the second device; and may include two steps e and f, as follows:
  • the first device sends an authorization request for the target channel to the second device.
  • the first device after the first device selects the information of the target channel from the information of the currently available channel, the first device sends an authorization request (Grant Request) to the target channel, where the authorization request includes the target channel.
  • Grant Request an authorization request
  • Information the information of the target channel is explained by the above [8, 9, 10].
  • the second device receives an authorization request for the target channel sent by the first device.
  • the second device receives the authorization request for the target channel sent by the first device, where the authorization request includes the information of the target channel. , 9, 10].
  • the second device sends an authorization response to the target channel to the first device.
  • the second device sends an authorization response to the target channel to the first device; and may include two steps of g and h, as follows:
  • the second device sends an authorization response to the target channel to the first device according to the authorization request.
  • the second device sends an authorization response (Grant Response) to the target channel according to the authorization request, where the authorization response may include the bandwidth and frequency authorized for the target channel [8, 9, 10]. , time and other information.
  • Grant Response an authorization response
  • the authorization response may include the bandwidth and frequency authorized for the target channel [8, 9, 10]. , time and other information.
  • the first device receives an authorization response of the second device to the target channel.
  • the first device receives an authorization response of the second device to the target channel, where the authorization response may include information such as bandwidth, frequency, duration, and the like authorized on the target channel, and the first device may be according to the authorized target channel. 8, 9, 10] to communicate.
  • steps 205 and 206 are optional steps. In actual applications, whether or not execution is required may be determined according to actual needs.
  • the second device sends the information about the currently available channel to the first device, and the first device may select the information of the target channel corresponding to the channel requirement from the currently available channel according to the channel requirement, which is different from the existing information.
  • the technical device is that the first device can independently select the target channel according to the channel requirement, and meets the requirements of the operator.
  • another embodiment of a method for selecting a channel spectrum resource in an embodiment of the present invention includes:
  • the first device sends a spectrum query request to the second device, where the spectrum query request includes a channel requirement.
  • the first device sends a spectrum query request to the second device, and the spectrum query request includes a channel requirement; the two steps of a and b may be included, as follows:
  • the first device sends a spectrum query request to the second device, where the spectrum query request includes a channel requirement;
  • the first device before the first device sends the spectrum query request to the second device, the first device sends an authentication request (Authenticate Request) to the second device, where the authentication request may include the device identity, the user identity, and the like.
  • the second device sends an authentication response (Authenticate Response) to the first device, and the first device sends a registration request (Register Request) to the second device, where the registration request may include information such as the type, name, and geographic location of the device.
  • the second device sends a registration response (Register Response) to the first device, and then the first device sends a spectrum inquiry request to the second device, where the spectrum query request includes a channel requirement, and the channel requirement is the first device. Channel requirements.
  • the first device herein may also be the EMS or NMS of the operator mentioned above, or may be a CBSD or a base station eNB. If the operator or enterprise does not deploy EMS, NMS, or CBSD, the first device It can also be replaced by a domain proxy, which is not limited herein.
  • the second device here may be the SAS mentioned above.
  • the first device mainly acquires channel spectrum resources for the PAL user and the GAA user.
  • the second device receives the spectrum query request sent by the first device, where the spectrum query request includes a channel requirement;
  • the second device receives the spectrum query request sent by the first device, where the spectrum query request includes the channel requirement.
  • the second device selects a target channel from the information of the currently available channel according to the channel requirement, and the information of the currently available channel is determined by the second device according to the spectrum query request, and may go through step 402.
  • And 403 are implemented as follows:
  • the second device determines information about a currently available channel according to the spectrum query request.
  • the second device determines the currently available channel information (Available Channels) according to the spectrum query request. Specifically, in an actual application, the second device may determine information about the currently available channel according to the spectrum query request, the currently available spectrum, the interference situation, and the geographic location.
  • the information that the second device determines the currently available channel includes, but is not limited to, the several reference conditions mentioned above.
  • FIG. 3 it is a schematic diagram of channel spectrum resources between 3550-3700 MHz, PAL is a priority access layer user, and in the second layer, an optional channel is channel number 1-7, GAA is Generally, the access user is authorized. At the lowest level, the optional channel is channel number 1-15.
  • the information of the currently available channel determined by the second device is represented by a channel number, which is [2, 3, 5, 8, 9, 10, 12].
  • the second device selects information about the target channel from information about the currently available channel according to channel requirements.
  • the second device selects information of the target channel from the information of the currently available channel according to the channel requirement, and the information of the target channel corresponds to the channel requirement.
  • the channel requirement includes the number of channels. Then, specifically, the second device selects the target channel with the same number of channels from the information of the currently available channel according to the number of channels. That is, the first device needs several channels, and the second device selects a target channel that satisfies the number of channels from the information of the currently available channel.
  • the channel requirement includes channel number and continuous channel number information, and the continuous channel number information is used to indicate that the channel number of the target channel is continuous.
  • the second device selects and selects information from the currently available channel according to the number of channels and the continuous channel number information.
  • the number of channels is the same as the target channel, and the channel number of the target channel is continuous.
  • the first device here requests the channel spectrum resource for the GAA user, the channel requirement is that three channels are required, and the channel numbers of the three channels are required to be continuous, then the second device is from the currently available channel.
  • the information of the target channel selected in the information [2, 3, 5, 8, 9, 10, 12] is [8, 9, 10], and three consecutive channels are used as the target channel.
  • the channel requirement includes the number of channels and the same channel number information.
  • the same channel number information here means that the first device requests channel spectrum resources for several PAL users or GAA users at the same time, and these PAL users or GAA users require The selected channel number is the same; or, at the same time, several first devices request channel spectrum resources for the PAL user or the GAA user, and the channel numbers requested by the PAL users or the GAA users are the same.
  • the channel number selected by a device is the same.
  • the second device selects the same channel as the target channel.
  • the second device selects the same channel as the two. The target channel of the first device.
  • the channel requirement herein may also include other information, and the corresponding target channel may be selected according to different channel requirements of the first device, thereby meeting the requirements of the operator.
  • the second device sends a spectrum query response to the first device.
  • the second device sends the spectrum query response to the first device; the two steps may include c and d, as follows:
  • the second device sends a spectrum query response to the first device, where the spectrum query response includes information of the target channel.
  • the second device after the second device selects the information of the target channel from the information of the currently available channel according to the channel requirement, the second device sends a spectrum inquiry response (Spectrum Inquiry Response) to the first device, where the spectrum query response includes Information on the target channel.
  • a spectrum inquiry response (Spectrum Inquiry Response) to the first device, where the spectrum query response includes Information on the target channel.
  • the information of the target channel here is [8, 9, 10] in the above.
  • the first device receives a spectrum query response sent by the second device, where the spectrum query response includes information of the target channel.
  • the first device receives the spectrum query response sent by the second device, where the spectrum query response includes the information of the target channel, and the information of the target channel is first.
  • the channel requirements of the device correspond.
  • the information of the target channel is [8, 9, 10].
  • the first device sends an authorization request for the target channel to the second device.
  • the second device sends an authorization response to the target channel to the first device.
  • steps 405 and 406 are the same as the steps 205 and 206 shown in FIG. 2, and are not described here again. It should be noted that steps 405 and 406 are optional steps in practical applications. In the middle, you can determine whether you need to perform according to actual needs.
  • the channel requirement of the first device when the first device sends a spectrum query request to the second device, the channel requirement of the first device is carried, and after the second device determines the information of the currently available channel, the target channel may be selected according to the channel requirement, thereby Satisfying the needs of the first device, that is, the operator, saves network resources.
  • the method for selecting a channel spectrum resource in the embodiment of the present invention is described above, and the following is an embodiment of the present invention.
  • the first device and the second device are described.
  • FIG. 5 it is a schematic diagram of an embodiment of a first device in an embodiment of the present invention, including:
  • the sending module 501 is configured to send a spectrum query request to the second device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to instruct the second device to feed back information about the currently available channel to the first device.
  • the receiving module 502 is configured to receive a spectrum query response sent by the second device, where the spectrum query response includes information about a currently available channel.
  • the selecting module 503 is configured to select a target channel from the information of the currently available channel received by the receiving module, where the target channel corresponds to a channel requirement of the first device.
  • the sending module 501 is further configured to perform the step e in the foregoing FIG. 2; the receiving module 502 is further configured to perform the step h in FIG. 2 above.
  • FIG. 6 is a schematic diagram of another embodiment of a first device according to an embodiment of the present invention, including:
  • the sending module 601 is configured to send a spectrum query request to the second device, where the spectrum query request includes a channel requirement;
  • the receiving module 602 is configured to receive a spectrum query response sent by the second device, where the spectrum query response includes information of the target channel, and the information of the target channel corresponds to the channel requirement.
  • the sending module 601 is further configured to perform the step e in the foregoing FIG. 4; the receiving module 602 is further configured to perform step h in FIG. 4 above.
  • FIG. 7 is a schematic diagram of an embodiment of a second device according to an embodiment of the present invention, including:
  • the receiving module 701 is configured to receive a spectrum query request sent by the first device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to indicate that the second device feeds back information about the currently available channel to the first device.
  • a determining module 702 configured to determine information about a currently available channel according to the spectrum query request
  • the sending module 703 is configured to send a spectrum query response to the first device, where the spectrum query response includes information about the currently available channel.
  • FIG. 8 is a schematic diagram of another embodiment of a second device according to an embodiment of the present invention, including:
  • the receiving module 801 is configured to receive a spectrum query request sent by the first device, where the spectrum query request includes a channel requirement;
  • the selecting module 802 is configured to select a target channel from the information of the currently available channel according to the channel requirement, where the information of the currently available channel is determined by the second device according to the spectrum query request;
  • the sending module 803 is configured to send a spectrum query response to the first device, where the spectrum query response includes information of the target channel selected by the selection module.
  • FIG. 9 is a schematic diagram of another embodiment of a first device in an embodiment of the present invention.
  • the first device may vary considerably depending on configuration or performance, and may include a transceiver 901, one or more central processing units (CPU) 902 (eg, one or more processors), and a memory 903, one or more storage media 904 that store application 9041 or data 9042 (eg, one or one storage device in Shanghai).
  • the memory 903 and the storage medium 904 may be short-term storage or persistent storage.
  • the program stored on storage medium 904 may include one or more modules (not shown in Figure 9), each of which may include a series of instruction operations in the first device.
  • the central processing unit 902 can be configured to be associated with a storage medium. Quality 904 communicates, and a series of instruction operations in storage medium 904 are performed on the first device.
  • the transceiver 901 is configured to send a spectrum query request to the second device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to instruct the second device to feed back information about the currently available channel to the first device.
  • the processor 902 is configured to select a target channel from the information of the currently available channel, where the target channel corresponds to a channel requirement of the first device.
  • the transceiver 901 is further configured to perform steps e and h in FIG. 2 above.
  • FIG. 10 is a schematic diagram of another embodiment of a first device in an embodiment of the present invention.
  • the first device may vary considerably depending on configuration or performance, and may include transceiver 1001, one or more central processing units (CPU) 1002 (eg, one or more processors), and memory 1003.
  • CPU central processing units
  • One or more storage media 1004 that store application 10041 or data 10042 eg, one or one storage device in Shanghai.
  • the memory 1003 and the storage medium 1004 may be short-term storage or persistent storage.
  • the program stored on the storage medium 1004 may include one or more modules (not shown in FIG. 10), each of which may include a series of instruction operations in the first device.
  • the central processor 1002 can be configured to communicate with the storage medium 1004 to perform a series of instruction operations in the storage medium 1004 on the first device.
  • the transceiver 1001 is configured to send a spectrum query request to the second device, where the spectrum query request includes a channel requirement, and receive a spectrum query response sent by the second device, where the spectrum query response includes the target channel.
  • Information, the information of the target channel corresponds to the channel requirement.
  • the transceiver 1001 is further configured to perform steps e and h in FIG. 4 above.
  • FIG. 11 is a schematic diagram of another embodiment of a second device according to an embodiment of the present invention.
  • the first device may vary considerably depending on configuration or performance, and may include a transceiver 1101, one or more central processing units (CPU) 1102 (eg, one or more processors), and a memory 1103, one or more storage media 1104 that store application 11041 or data 11042 (eg, one or one storage device in Shanghai).
  • the memory 1103 and the storage medium 1104 may be short-term storage or persistent storage.
  • the program stored on storage medium 1104 may include one or more modules (not shown in FIG. 11), each of which may include a series of instruction operations in the first device.
  • central processor 1102 can be arranged to communicate with storage medium 1104 to perform a series of instruction operations in storage medium 1104 on the first device.
  • the transceiver 1101 is configured to receive a spectrum query request sent by the first device, where the spectrum query request includes channel feedback information, where the channel feedback information is used to instruct the second device to feed back information about the currently available channel to the first device. Transmitting a spectrum query response to the first device, the spectrum query response including information of the currently available channel;
  • the processor 1102 is configured to determine information about a currently available channel according to the spectrum query request.
  • the transceiver 1101 is further configured to perform steps f and g in FIG. 2 above.
  • FIG. 12 is a schematic diagram of another embodiment of a second device according to an embodiment of the present invention.
  • the first device may vary considerably depending on configuration or performance, and may include a transceiver 1201, one or more central processing units (CPU) 1202 (eg, one or more processors), and a memory 1203.
  • CPU central processing units
  • One or more storage media 1204 that store application 12041 or data 12042 eg, one or one storage device in Shanghai.
  • the memory 1203 and the storage medium 1204 may be temporarily stored or held Long storage.
  • the program stored on the storage medium 1204 may include one or more modules (not shown in FIG. 12), each of which may include a series of instruction operations in the first device.
  • central processor 1202 can be configured to communicate with storage medium 1204 to perform a series of instruction operations in storage medium 1204 on the first device.
  • the transceiver 1201 is configured to receive a spectrum query request sent by the first device, where the spectrum query request includes a channel requirement, and send a spectrum query response to the first device, where the spectrum query response includes information of the target channel;
  • the processor 1202 is configured to select a target channel from the information of the currently available channel according to the channel requirement, where the information of the currently available channel is determined by the second device according to the spectrum query request.
  • the transceiver 1201 is further configured to perform steps f and g in FIG. 4 above.
  • the embodiment of the invention further provides a computer program product for data processing, comprising a computer readable storage medium storing program code, the program code comprising instructions for executing the method flow described in any one of the foregoing method embodiments.
  • a person skilled in the art can understand that the foregoing storage medium includes: a USB flash drive, a mobile hard disk, a magnetic disk, an optical disk, a random access memory (RAM), a solid state disk (SSD), or other nonvolatiles.
  • a non-transitory machine readable medium that can store program code, such as non-volatile memory.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • 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 network units. 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 above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) 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. .

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Des modes de réalisation de la présente invention concernent un procédé de sélection de ressources de spectre de fréquence de canal utilisé pour sélectionner un canal cible en fonction de besoins de canal, de manière à satisfaire les besoins d'opérateurs. Le procédé des modes de réalisation de la présente invention comprend : l'envoi, par un premier dispositif, d'une demande d'interrogation de spectre de fréquence à un second dispositif, la demande d'interrogation de spectre de fréquence comprenant des informations de rétroaction de canal pour donner l'instruction au second dispositif de renvoyer des informations d'un canal actuellement disponible au premier dispositif; la réception, par le premier dispositif, d'une réponse d'interrogation de spectre de fréquence envoyée par le second dispositif, la réponse d'interrogation de spectre de fréquence comprenant les informations du canal actuellement disponible; la sélection, par le premier dispositif, d'un canal cible à partir des informations du canal actuellement disponible, le canal cible correspondant à une demande de canal du premier dispositif.
PCT/CN2017/084289 2016-05-27 2017-05-15 Procédé de sélection de ressources de spectre de fréquence de canal, dispositif et système de sélection de ressources de spectre de fréquence de canal WO2017202220A1 (fr)

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CN201610365341.8 2016-05-27

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