WO2015123870A1 - Méthode de commande pour l'utilisation d'une ressource radio, appareil, élément de réseau et terminal - Google Patents

Méthode de commande pour l'utilisation d'une ressource radio, appareil, élément de réseau et terminal Download PDF

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Publication number
WO2015123870A1
WO2015123870A1 PCT/CN2014/072395 CN2014072395W WO2015123870A1 WO 2015123870 A1 WO2015123870 A1 WO 2015123870A1 CN 2014072395 W CN2014072395 W CN 2014072395W WO 2015123870 A1 WO2015123870 A1 WO 2015123870A1
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WO
WIPO (PCT)
Prior art keywords
cell
terminal
network element
channel
harq buffer
Prior art date
Application number
PCT/CN2014/072395
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English (en)
Chinese (zh)
Inventor
张健
戴明增
曾清海
黄曲芳
梁永明
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 CN201910486750.7A priority Critical patent/CN110312261B/zh
Priority to PCT/CN2014/072395 priority patent/WO2015123870A1/fr
Priority to CN201480001028.5A priority patent/CN105122859B/zh
Publication of WO2015123870A1 publication Critical patent/WO2015123870A1/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 embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, a device, a network element, and a terminal for using a radio resource. Background technique
  • unlicensed spectrum resources are shared by many users. These users may belong to different radio access technologies (RATs) such as LTE, Wi-Fi (Wireless Fidelity), Bluetooth, and the like.
  • RATs radio access technologies
  • LTE, Wi-Fi, and Bluetooth need to detect whether radar devices are using unlicensed spectrum resources. Once radar devices are detected using unlicensed spectrum, LTE, Wi-Fi, and Bluetooth are all used. It is necessary to stop sending information on the unlicensed spectrum immediately.
  • Devices such as LTE, Wi-Fi, and Bluetooth that use unlicensed spectrum need to listen to whether the spectrum is idle before transmission, that is, "Lear Listen before Talk" to avoid other uses of unlicensed spectrum. User caused interference.
  • a single cell supports only a maximum of 20 MHz bandwidth. Therefore, if you want to make better use of more unlicensed spectrum resources, you need to enable more cells to perform carrier aggregation (Camer Aggregation, CA) to support larger bandwidth.
  • CA carrier aggregation
  • the PDCCH Physical Downlink Control Channel
  • SCell secondary cell
  • the resources on the secondary cell (SCell) have a large demand for the PDCCH capacity on the PCell. Therefore, how to effectively support more spectrum resources when LTE systems use unlicensed spectrum is also a technical problem to be solved. Summary of the invention
  • Embodiments of the present invention provide a method, a device, a network element, and a terminal for using a radio resource, which are used to expand a range of available spectrum resources, and enable a plurality of different systems using unlicensed spectrum resources to coexist reasonably and efficiently. Operation.
  • an embodiment of the present invention provides a control device that uses a radio resource, and includes: an acquiring module, configured to acquire current communication state information;
  • a determining module configured to determine, according to the current communication state information, a currently available resource in the first unlicensed spectrum resource
  • a sending module configured to notify a terminal of a currently available resource in the first unlicensed spectrum resource
  • a communication module configured to communicate with the terminal by using the currently available resource
  • the first unlicensed spectrum resource is configured to configure a first cell for the terminal, where a bandwidth of the currently available resource is not greater than a maximum bandwidth of the first cell, and a maximum bandwidth of the first cell is not greater than The bandwidth of the first unlicensed spectrum resource.
  • the acquiring module body is used for
  • the sending module is specifically used for
  • the indication information is used to enable the terminal to learn the available frequency range in the first cell as the currently available resource. And/or a channel index set corresponding to the channel;
  • the sending module is specifically configured to: use the preset rule to enable the terminal to learn the available frequency range and/or the channel index set corresponding to the current available resource in the first cell.
  • the indication information is transmitted in the form of a bitmap, the bitmap indicating at least one of the available frequency ranges and/or the At least one channel in the set of channel indices is labeled.
  • the sending module is further configured to send a communication to the terminal by using the full range of the available frequency ranges in the first cell System signal
  • the sending module is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the sending module is further configured to send, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal to the terminal;
  • the sending module is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a first channel corresponding to the first channel index in the channel index set in the first cell.
  • the preset rule includes: the terminal may detect, in the first cell, a frequency range of the communication system signal that is sent by the control device that uses the radio resource. As the currently available resource; or
  • the terminal may detect, as the currently available resource, a channel of the communication system signal sent by the control device using the radio resource in the first cell.
  • the determining module is further used to
  • the control device further includes a configuration module, configured to configure the first cell with the first unlicensed spectrum resource for the terminal.
  • the determining module when the determined maximum bandwidth of the first cell is smaller than the total bandwidth of the unlicensed frequency range, the determining module is specifically configured to use the unlicensed frequency range. Dividing a plurality of sub-ranges having a bandwidth not less than a maximum bandwidth of the first cell,
  • an optimal sub-range is determined as a first unlicensed spectrum resource among a plurality of said sub-ranges.
  • the configuration module is specifically used for
  • the MAC entity includes at least a MAC multiplexing/demultiplexing entity and a downlink HARQ entity;
  • the capacity of the HARQ buffer of the first cell is determined according to the maximum bandwidth of the first cell.
  • the configuration module triggers the sending module, and the sending module is further used to
  • the mapping between the maximum bandwidth of the first cell and the HARQ buffer capacity of the first cell is sent to the terminal in advance, so that the terminal determines the HARQ buffer capacity of the terminal for the first cell.
  • the configuration module is further configured to adjust a capacity of the HARQ buffer of the first cell according to the bandwidth of the currently available resource, and obtain the adjusted first cell.
  • the capacity of the HARQ buffer is further configured to adjust a capacity of the HARQ buffer of the first cell according to the bandwidth of the currently available resource, and obtain the adjusted first cell.
  • the configuration module is configured to trigger the sending module, so that the sending module is configured to notify the terminal of the capacity of the adjusted HARQ buffer of the first cell, or the capacity of the adjusted HARQ buffer of the first cell is occupied. a ratio of a total HARQ buffer capacity, such that the terminal determines an adjusted HARQ buffer capacity of the terminal for the first cell; or
  • the configuration module is further used for
  • the terminal is controlled to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell.
  • the configuration module when the configuration module is configured to control the terminal in the first cell, use a DRX timer and a DRX parameter configuration common to other cells. And the DRX process, then
  • the configuration module is further configured to control the terminal in the first cell
  • the DRX timer, DRX parameter configuration, and DRX process are consistent with other cells.
  • the configuration module is further configured to control a DRX process of the terminal in the first cell, if the available frequency range and/or at least one channel that is available as the currently available resource does not exist in the first cell. Stopping, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the configuration module when the configuration module is configured to control the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell, Then
  • the configuration module is further configured to control the terminal to use an independent DRX in the first cell. Timer, independent DRX parameter configuration and independent DRX process;
  • the configuration module is further configured to control the independent DRX of the terminal in the first cell, if the available frequency range and/or at least one channel that can be the currently available resource does not exist in the first cell, The process is stopped, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the embodiment of the present invention provides a control device for using a radio resource, including: an acquiring module, configured to learn, by using a network element, a currently available resource in a first unlicensed spectrum resource; and a communication module, configured to use the current Communicating resources with the network element;
  • the first unlicensed spectrum resource is configured to configure a first cell for the control device that uses the radio resource, where a bandwidth of the currently available resource is not greater than a maximum bandwidth of the first cell, where the first cell is The maximum bandwidth is not greater than the bandwidth of the first unlicensed spectrum resource.
  • the acquiring module is specifically used to
  • the indication information sent by the network element where the indication information is used to enable the acquiring module to learn, in the first cell, the current available resource. Available frequency range and/or channel index corresponding to the channel ⁇
  • the acquiring module is specifically configured to learn, by using a preset rule, a set of available frequency ranges and/or channel index sets corresponding to the currently available resources in the first cell.
  • the indication information is in a bitmap
  • the form is received by the acquisition module, the bitmap representing at least one of the available frequency ranges and/or at least one channel index of the set of channel indices.
  • the acquiring module is further configured to receive, by using the full range of the available frequency ranges in the first cell, a communication system signal sent by the network element;
  • the acquiring module is further configured to receive, by using a pre-configured rule, a communication system signal sent by the network element by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the acquiring module is further configured to receive, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal sent by the network element;
  • the acquiring module is further configured to receive the communication system signal sent by the network element by using the first channel corresponding to the first channel index in the channel index set in the first cell according to a pre-configuration rule.
  • the preset rule includes: the acquiring module may detect, in the first cell, a frequency range of a communication system signal sent by the network element as the Currently available resources; or
  • the acquiring module may detect, in the first cell, a channel of the communication system signal sent by the network element as the currently available resource.
  • control device further includes a control module, configured to
  • the acquiring module is further used to
  • the physical layer energy detection or the matched filtering detection is performed to obtain the current communication state information.
  • the control device further includes a sending module, configured to send the current communication state information to the network element.
  • control module is further configured to receive, by the network element, the first unlicensed spectrum resource a first cell configured by a control device using a radio resource;
  • the maximum bandwidth of the first cell is determined by the network element, and the first unlicensed spectrum resource is determined by the network element in an unlicensed frequency range.
  • the acquiring module is configured to receive a capacity of the HARQ buffer of the first cell or a HARQ buffer of the first cell that is sent by the network element The ratio of the capacity to the total HARQ buffer,
  • control module is configured to determine, according to a ratio of a capacity of the HARQ buffer of the first cell or a capacity of a HARQ buffer of the first cell to a total HARQ buffer capacity, that the control device that uses the radio resource is configured to The HARQ buffer capacity of the first cell; or
  • the control device is directed to the HARQ buffer capacity of the first cell.
  • the acquiring module is further configured to receive the capacity of the adjusted HARQ buffer of the first cell sent by the network element, or the adjusted first cell The ratio of the capacity of the HARQ buffer to the total HARQ buffer capacity;
  • controlling module is configured to determine, according to the adjusted capacity of the HARQ buffer of the first cell or the ratio of the adjusted capacity of the HARQ buffer of the first cell to the total HARQ buffer capacity, the used radio resource. Controlling device for the adjusted HARQ buffer capacity of the first cell; or
  • the control module is configured to pre-process the bandwidth of the currently available resource of the first cell and the adjusted HARQ buffer of the first cell according to the network element to the control device that uses the radio resource. And a mapping relationship of the capacity, determining an adjusted HARQ buffer capacity of the control device using the radio resource for the first cell.
  • control module is further configured to use a DRX timer, a parameter configuration, and a DRX process common to the first cell and other cells; or
  • the independent DRX timer of the first cell, independent parameter configuration, and independent DRX process are used.
  • the control module when configured to use a DRX timer, a DRX parameter configuration, and a common one of the first cell and another cell DRX process, then
  • the DRX timer, parameter configuration, and DRX process used by the control module in the first cell are Other communities are consistent;
  • the DRX process in the first cell stops by the control module, and the first The cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not transmit uplink data.
  • the control module when the control module is configured to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process of the first cell,
  • the available frequency range and/or at least one channel available as the currently available resource in a cell the control module is configured to use an independent DRX timer, independent DRX parameter configuration, and independent DRX of the first cell a process; if the available frequency range and/or at least one channel available as the currently available resource does not exist in the first cell, the control module is configured to stop an independent DRX process in the first cell
  • the first cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • an embodiment of the present invention provides a network element, including:
  • a receiver configured to acquire current communication status information
  • a processor configured to determine, according to the current communication state information, a currently available resource in the first unlicensed spectrum resource
  • a transmitter configured to notify a terminal of a currently available resource in the first unlicensed spectrum resource;
  • the processor is configured to communicate with the terminal by using the currently available resource;
  • the first unlicensed spectrum resource is configured to configure a first cell for the terminal, where a bandwidth of the currently available resource is not greater than a maximum bandwidth of the first cell, and a maximum bandwidth of the first cell is not greater than The bandwidth of the first unlicensed spectrum resource.
  • the receiver is used for
  • the transmitter is specifically configured to And transmitting, by the physical downlink control channel PDCCH or the medium access control control unit MAC CE, the indication information, where the indication information is used to enable the terminal to learn the available frequency range in the first cell as the currently available resource. And/or a channel index set corresponding to the channel;
  • the transmitter is specifically configured to enable, by using a preset rule, the terminal to learn the available frequency range of the currently available resource in the first cell and/or the channel index set corresponding to the channel.
  • the indication information is transmitted in the form of a bitmap, the bitmap indicating at least one of the available frequency ranges and/or the At least one channel in the set of channel indices is labeled.
  • the transmitter is further configured to send a communication system signal to the terminal by using a full range of the available frequency ranges in the first cell;
  • the transmitter is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the transmitter is further configured to send, by using each channel corresponding to each channel channel in the channel index set in the first cell, a communication system signal to the terminal;
  • the transmitter is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a first channel corresponding to the first channel index in the channel index set in the first cell.
  • the preset rule includes: the terminal may detect, in the first cell, a frequency range of a communication system signal sent by the transmitter as the current Available resources; or
  • the terminal may detect, in the first cell, a channel of the communication system signal sent by the transmitter as the currently available resource.
  • the processor is further used to:
  • the processor when the determined maximum bandwidth of the first cell is smaller than the total bandwidth of the unlicensed frequency range, the processor is specifically configured to use the unlicensed frequency. Dividing a plurality of sub-ranges whose bandwidth is not less than a maximum bandwidth of the first cell,
  • an optimal sub-range is determined as a first unlicensed spectrum resource among a plurality of said sub-ranges.
  • the processor is further configured to: set a MAC entity and a hybrid automatic repeat request HARQ buffer for the first cell; the MAC entity includes at least a MAC complex And/or demultiplexing the entity, the downlink HARQ entity; the capacity of the HARQ buffer of the first cell is determined according to a maximum bandwidth of the first cell.
  • the processor triggers the transmitter, and the transmitter is further used to
  • the capacity of the HARQ buffer of the first cell or the ratio of the capacity of the HARQ buffer of the first cell to the total HARQ buffer capacity, so that the terminal determines that the terminal is for the first cell HARQ buffer capacity; or,
  • the mapping between the maximum bandwidth of the first cell and the HARQ buffer capacity of the first cell is sent to the terminal in advance, so that the terminal determines the HARQ buffer capacity of the terminal for the first cell.
  • the processor is further configured to adjust a capacity of the HARQ buffer of the first cell according to the bandwidth of the currently available resource, and obtain the adjusted first cell.
  • the capacity of the HARQ buffer is further configured to adjust a capacity of the HARQ buffer of the first cell according to the bandwidth of the currently available resource, and obtain the adjusted first cell.
  • the processor triggers the transmitter, and the transmitter is configured to notify the terminal of the adjusted capacity of the HARQ buffer of the first cell, or the adjusted capacity of the HARQ buffer of the first cell is total. a ratio of HARQ buffer capacity, such that the terminal determines an adjusted HARQ buffer capacity of the terminal for the first cell; or
  • the processor is further configured to Controlling, by the terminal, a DRX timer, a DRX parameter configuration, and a DRX process common to other cells in the first cell; or
  • the terminal is controlled to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell.
  • a DRX timer when the processor is configured to control the terminal in the first cell, use a DRX timer, a DRX parameter configuration, and a common DRX process, then
  • the processor is further configured to control DRX timing of the terminal in the first cell if the available frequency range and/or at least one channel that can be the currently available resource exists in the first cell.
  • the DRX parameter configuration and DRX process are consistent with other cells;
  • the processor is further configured to control a DRX process of the terminal in the first cell Stopping, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the processor when the processor is configured to control the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell,
  • the processor is further configured to control the terminal to use an independent DRX in the first cell. Timer, independent DRX parameter configuration and independent DRX process;
  • the processor is further configured to control the independent DRX of the terminal in the first cell. The process is stopped, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • an embodiment of the present invention provides a terminal, including:
  • a receiver configured to learn, by the network element, a currently available resource in the first unlicensed spectrum resource
  • a processor configured to communicate with the network element by using the currently available resource
  • the first unlicensed spectrum resource is used to configure the first cell, the bandwidth of the currently available resource is not greater than the maximum bandwidth of the first cell, and the maximum bandwidth of the first cell is not greater than the The bandwidth of the first unlicensed spectrum resource.
  • the receiver is specifically used to
  • the indication information sent by the network element where the indication information is used to enable the acquiring module to learn, in the first cell, the current available resource. Available frequency range and/or channel index ⁇ A corresponding to the channel,
  • the receiver is specifically configured to learn, by using a preset rule, a set of available frequency ranges and/or channel index corresponding to the currently available resource in the first cell.
  • the indication information is received by the receiver in the form of a bitmap, the bitmap indicating at least one of the available frequency ranges and / or at least one channel index in the set of channel indices.
  • the receiver is further configured to receive, by using a full range of the available frequency ranges in the first cell, a communication system signal that is sent by the network element;
  • the receiver is further configured to receive, according to a pre-configuration rule, a communication system signal sent by the network element by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the receiver is further configured to receive, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal sent by the network element;
  • the receiver is further configured to receive, by using a first channel corresponding to the first channel index in the channel index set in the first cell, a communication system signal sent by the network element according to a pre-configuration rule.
  • the preset rule includes: the receiver may detect, in the first cell, a frequency range of a communication system signal sent by the network element as the Currently available resources; or
  • the receiver may detect, in the first cell, a channel of a communication system signal sent by the network element as the currently available resource.
  • the processor is further configured to adjust a listening range of a physical downlink control channel PDCCH or an enhanced physical downlink control channel EPDCCH according to the learned current available resource, and The range of detection and reception of the physical control format indication channel PCFICH and the physical hybrid automatic repeat indication channel PHICH is adjusted separately.
  • the receiver is further used in the sixth embodiment
  • the physical layer energy detection or the matched filtering detection is performed to learn the current communication state information; and the terminal further includes a transmitter, where the transmitter is configured to send the current communication state information to the network element.
  • the processor is further configured to receive, by the network element, the first unlicensed spectrum resource.
  • the first cell configured by the terminal;
  • the maximum bandwidth of the first cell is determined by the network element, and the first unlicensed spectrum resource is determined by the network element in an unlicensed frequency range.
  • the receiver is configured to receive a capacity of a HARQ buffer of the first cell or a HARQ buffer of the first cell that is sent by the network element The ratio of capacity to the total HARQ buffer,
  • determining by the processor, determining, according to a ratio of a capacity of the HARQ buffer of the first cell or a capacity of a HARQ buffer of the first cell to a total HARQ buffer capacity, determining, by the terminal, the first cell.
  • HARQ buffer capacity or,
  • the receiver is further configured to receive, by the network element, the capacity of the adjusted HARQ buffer of the first cell, or the adjusted first cell The ratio of the capacity of the HARQ buffer to the total HARQ buffer capacity;
  • the processor is configured to determine, according to the adjusted capacity of the HARQ buffer of the first cell or the ratio of the capacity of the adjusted HARQ buffer of the first cell to the total HARQ buffer capacity, The adjusted HARQ buffer capacity of the first cell; or
  • the processor is configured to determine, according to a mapping relationship between a bandwidth of the currently available resource of the first cell and a capacity of the adjusted HARQ buffer of the first cell, that is sent by the network element to the terminal in advance
  • the terminal is configured for the adjusted HARQ buffer capacity of the first cell.
  • the processor is further configured to use a DRX timer, a parameter configuration, and a DRX process common to the first cell and other cells; or
  • the independent DRX timer of the first cell, independent parameter configuration, and independent DRX process are used.
  • the processor when the processor is configured to use a DRX timer, a DRX parameter configuration, and a DRX process common to the first cell and other cells,
  • the DRX timer, parameter configuration, and DRX process used by the processor in the first cell are Other communities are consistent;
  • the DRX process of the processor in the first cell stops, to the first The cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not transmit uplink data.
  • the processor when the processor is configured to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process of the first cell, if the first The available frequency range and/or at least one channel in the cell that is available as the currently available resource, the processor being configured to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process of the first cell; If the available frequency range and/or at least one channel that is available as the currently available resource does not exist in the first cell, the processor is configured to stop the independent DRX process in the first cell, The first cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not transmit uplink data.
  • a method for controlling a radio resource including: acquiring, by a network element, current communication state information;
  • the network element communicates with the terminal by using the currently available resource
  • the first unlicensed spectrum resource is configured to configure a first cell for the terminal, where a bandwidth of the currently available resource is not greater than a maximum bandwidth of the first cell, and a maximum bandwidth of the first cell is not greater than The bandwidth of the first unlicensed spectrum resource.
  • the acquiring the current communication state information includes: detecting, by the network element, the first unlicensed spectrum, obtaining current communication state information; and/or, the network The element receives current communication status information sent by the terminal.
  • the notifying the terminal of the currently available resources in the first unlicensed spectrum resource according to the current communication state information including: the network element adopts physical downlink The control channel PDCCH or the medium access control control unit MAC CE sends the indication information to the terminal, the indication information is used to enable the terminal to learn the available frequency range and/or the available frequency of the currently available resource in the first cell.
  • the network element obtains, by using a preset rule, the terminal, the available frequency range and/or the channel index set corresponding to the channel in the first cell as the currently available resource.
  • the indication information is transmitted in the form of a bitmap, the bitmap indicating at least one of the available frequency ranges and/or the At least one channel in the set of channel indices is labeled.
  • control method further includes: the network element transmitting the communication system to the terminal by using the full range of the available frequency ranges in the first cell Signal
  • the network element sends a communication system signal to the terminal by using a range corresponding to the pre-configured rule in the available frequency range in the first cell according to a pre-configuration rule;
  • the network element sends a communication system signal to the terminal by using each channel corresponding to each of the channel indexes in the channel index set in the first cell;
  • the network element sends a communication system signal to the terminal by using a first channel corresponding to the first channel index in the channel index set in the first cell according to a pre-configuration rule.
  • the preset rule includes: the terminal may detect, in the first cell, a frequency range of a communication system signal sent by the network element as the current Available resources; or
  • the terminal may detect, in the first cell, a channel of the communication system signal sent by the network element as the currently available resource.
  • the control method before the acquiring current communication state information, includes: Determining, by the network element, a maximum bandwidth of the first cell, and determining a first unlicensed spectrum resource in an unlicensed frequency range;
  • the network element configures the first cell for the terminal by using the first unlicensed spectrum resource.
  • the network element when the maximum bandwidth of the first cell determined by the network element is smaller than the total bandwidth of the unlicensed frequency range, the network element is in an unlicensed frequency range. Determining the first unlicensed spectrum resource, including:
  • the network element divides, in an unlicensed frequency range, a plurality of sub-ranges whose bandwidth is not less than a maximum bandwidth of the first cell,
  • the network element determines an optimal sub-range as the first unlicensed spectrum resource among the plurality of sub-ranges according to the obtained measurement report for the plurality of sub-ranges.
  • control method further includes: the network element setting a MAC entity and a hybrid automatic repeat request HARQ buffer for the first cell;
  • the MAC entity includes at least a MAC multiplexing/demultiplexing entity and a downlink HARQ entity; and a capacity of the HARQ buffer of the first cell is determined according to a maximum bandwidth of the first cell.
  • control method further includes: the network element notifying the terminal, the capacity of the HARQ buffer of the first cell, or the HARQ buffer of the first cell The ratio of the capacity of the area to the total HARQ buffer capacity, so that the terminal determines the HARQ buffer capacity of the terminal for the first cell; or
  • the network element sends a mapping relationship between the maximum bandwidth of the first cell and the HARQ buffer capacity of the first cell to the terminal, so that the terminal determines the HARQ buffer of the terminal for the first cell. Area capacity.
  • control method further includes: the network element adjusting a capacity of the HARQ buffer of the first cell according to the bandwidth of the currently available resource, and obtaining the adjusted The capacity of the HARQ buffer of the first cell;
  • the adjusted HARQ buffer capacity of the first cell; or the network element sends the current available resource band of the first cell to the terminal in advance And a mapping relationship between the width and the adjusted capacity of the HARQ buffer of the first cell, so that the terminal determines the adjusted HARQ buffer capacity of the terminal for the first cell.
  • control method further includes:
  • the network element controls the terminal to use a DRX timer, a DRX parameter configuration, and a DRX process common to other cells in the first cell; or
  • the network element controls the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell.
  • the method when the network element controls the terminal to be in the first cell, use a DRX timer, a DRX parameter configuration, and a DRX common to other cells. After the determining, by the network element, the currently available resources in the first unlicensed spectrum resource according to the current communication state information, the method further includes:
  • the network element controls the DRX timer and the DRX of the terminal in the first cell.
  • the parameter configuration and DRX process are consistent with other cells;
  • the network element controls the DRX process of the terminal in the first cell to stop, to The terminal is not to monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the network element when the network element controls the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell, the network element further includes:
  • the network element controls the terminal to use an independent DRX timer in the first cell, Independent DRX parameter configuration and independent DRX process;
  • an embodiment of the present invention provides a control method for using a radio resource, which is characterized by:
  • the terminal learns, by the network element, the currently available resources in the first unlicensed spectrum resource
  • the terminal communicates with the network element by using the currently available resource
  • the first unlicensed spectrum resource is configured to configure a first cell for the terminal, where a bandwidth of the currently available resource is not greater than a maximum bandwidth of the first cell, and a maximum bandwidth of the first cell is not greater than The bandwidth of the first unlicensed spectrum resource.
  • the terminal by using the network element, the currently available resources in the first unlicensed spectrum resource, including:
  • the terminal passes the physical downlink control channel PDCCH or the medium access control control unit MAC
  • the CE Receiving, by the CE, the indication information sent by the network element, where the indication information is used to enable the terminal to learn, in the first cell, an available frequency range and/or a channel index set corresponding to the currently available resource;
  • the terminal by using a preset rule, learns, by using, a set of channel indexes corresponding to the available frequency range and/or channel of the currently available resource in the first cell.
  • the indication information is received by the terminal in the form of a bitmap, and the bitmap refers to at least one of the available frequency ranges and/or Or at least one channel index in the set of channel indices.
  • control method further includes: the terminal using the full range of the available frequency range in the first cell, and receiving the communication sent by the network element System signal
  • the terminal receives the communication system signal sent by the network element by using a range corresponding to the pre-configured rule in the available frequency range in the first cell according to a pre-configuration rule; or, the terminal uses the terminal
  • Each channel corresponding to each of the channel indexes in the channel index set in the first cell receives a communication system signal sent by the network element;
  • the terminal receives the communication system signal sent by the network element by using the first channel corresponding to the first channel index in the channel index set in the first cell according to a pre-configuration rule.
  • the preset rule includes: the terminal may detect, in the first cell, a frequency range of a communication system signal sent by the network element as the current Available resources; or The terminal may detect, in the first cell, a channel of the communication system signal sent by the network element as the currently available resource.
  • control method further includes: the terminal, according to the learned current available resource, adjusting a physical downlink control channel PDCCH or an enhanced physical downlink control channel EPDCCH. Range and adjust the range of detection and reception of the physical control format indication channel PCFICH and the physical hybrid automatic repeat indication channel PHICH, respectively.
  • the control method before the terminal obtains the currently available resource in the first unlicensed spectrum resource by using the network element, the control method also includes:
  • the terminal sends the current communication state information to the network element.
  • the control method before the terminal obtains the currently available resource in the first unlicensed spectrum resource by using the network element, the control method also includes:
  • the maximum bandwidth of the first cell is determined by the network element, and the first unlicensed spectrum resource is determined by the network element in an unlicensed frequency range.
  • control method further includes: the terminal receiving, by the network element, a capacity of the HARQ buffer of the first cell or the first cell The ratio of the capacity of the HARQ buffer to the total HARQ buffer,
  • the terminal determining, by the terminal, the HARQ buffer of the terminal for the first cell according to a ratio of a capacity of the HARQ buffer of the first cell or a capacity of a HARQ buffer of the first cell to a total HARQ buffer capacity. Capacity; or,
  • a HARQ buffer of the terminal for the first cell Determining, by the terminal, a HARQ buffer of the terminal for the first cell according to a mapping relationship between a maximum bandwidth of the first cell and a HARQ buffer capacity of the first cell that is sent by the network element to the terminal in advance Area capacity.
  • the control method further includes: Receiving, by the terminal, the capacity of the adjusted HARQ buffer of the first cell sent by the network element, or the ratio of the capacity of the adjusted HARQ buffer of the first cell to the total HARQ buffer capacity;
  • control method further includes: the terminal using a DRX timer, a parameter configuration, and a DRX process common to the first cell and other cells; or
  • the terminal uses an independent DRX timer of the first cell, an independent parameter configuration, and an independent DRX process.
  • the terminal when the terminal uses the DRX timer, the DRX parameter configuration, and the DRX process common to the first cell and other cells, the terminal passes the network element. After the current available resources in the first unlicensed spectrum resource are obtained, the control method further includes:
  • the DRX timer, parameter configuration, and DRX process used by the terminal in the first cell and other The community remains consistent;
  • the DRX process of the terminal in the first cell stops, the first The cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not transmit uplink data.
  • the terminal when the terminal uses the independent DRX timer, the independent DRX parameter configuration, and the independent DRX process of the first cell, the terminal learns through the network element. After the currently available resources in the first unlicensed spectrum resource, the control method further includes:
  • the terminal using an independent DRX timer of the first cell, an independent DRX parameter configuration, and an independent DRX process; if the first cell does not exist as the currently available resource
  • the available frequency range and/or at least one channel the terminal stops in the independent DRX process in the first cell, does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, does not Send upstream data.
  • the first cell is configured by using the first unlicensed spectrum resource as the terminal, and the available range of the spectrum resource of the communication system is expanded, and according to The current communication state information determines the currently available resources in the first unlicensed spectrum resource, and the communication activity of the terminal can flexibly and rationally use the unlicensed spectrum resource, so that multiple systems using the unlicensed spectrum resource can operate reasonably and efficiently.
  • Embodiment 1 is a structural diagram of Embodiment 1 of a control apparatus for using a radio resource according to the present invention
  • Embodiment 2 is a structural diagram of Embodiment 2 of a control apparatus for using a radio resource according to the present invention
  • Embodiment 3 is a structural diagram of Embodiment 3 of a control apparatus for using a radio resource according to the present invention
  • Embodiment 4 is a structural diagram of Embodiment 1 of a network element according to the present invention.
  • FIG. 5 is a structural diagram of Embodiment 1 of the terminal of the present invention.
  • Embodiment 6 is a flowchart of Embodiment 1 of a method for controlling use of a radio resource according to the present invention
  • Embodiment 7 is a flowchart of Embodiment 2 of a method for controlling use of a radio resource according to the present invention
  • Embodiment 8 is a flowchart of Embodiment 3 of a method for controlling use of a radio resource according to the present invention.
  • Embodiment 9 is a flowchart of Embodiment 4 of a method for controlling use of a radio resource according to the present invention.
  • Embodiment 10 is a signaling diagram of Embodiment 5 of a method for controlling a radio resource according to the present invention.
  • FIG. 11 is a schematic diagram of a first unlicensed spectrum resource according to Embodiment 5 of the present invention.
  • FIG. 1 is a structural diagram of Embodiment 1 of a control apparatus for using a radio resource according to the present invention.
  • the control device using the radio resource in this embodiment may be implemented in the form of software and/or hardware.
  • the control device using the radio resource in the embodiment is integrated in the network element, and the The wireless resource control device includes:
  • the obtaining module 1 1 is configured to obtain current communication status information
  • a determining module 12 configured to determine, according to current communication state information, a currently available resource in the first unlicensed spectrum resource
  • the sending module 13 is configured to notify the terminal of the currently available resources in the first unlicensed spectrum resource;
  • the communication module 14 is configured to communicate with the terminal by using the currently available resource;
  • the first unlicensed spectrum resource is used to configure the first cell for the terminal, and the bandwidth of the currently available resource is not greater than the maximum bandwidth of the first cell, and the maximum bandwidth of the first cell is not greater than the first unlicensed spectrum.
  • the bandwidth of the resource that is, the first cell can flexibly provide the radio resource of the maximum bandwidth of the first cell to the communication activity between the terminal and the network element in the first unlicensed spectrum resource.
  • the control device using the radio resource is integrated in the network element.
  • the first unlicensed spectrum resource of the network element configures the first cell for the terminal. However, because the communication environment is complex and variable, the first system notifies the first non-authorization of the first cell.
  • the current system uses the part of the first unlicensed spectrum resource at the current time, and the current time needs to determine the currently available resource in the first unlicensed spectrum resource according to the current communication state information, where the current The bandwidth of the available resources is not greater than the maximum bandwidth of the first cell, so that the communication between the network element and the terminal may be
  • the use of unlicensed spectrum resources further expands the range of available spectrum resources for communication.
  • Each module in this embodiment corresponds to each step in the corresponding method embodiment.
  • the specific implementation process and beneficial effects can be referred to the method embodiment.
  • the available range of the spectrum resource of the communication system is expanded, and the current communication state information is determined according to the current communication state information.
  • the currently available resources in the first unlicensed spectrum resource the communication activity of the terminal can flexibly and rationally use the unlicensed spectrum resource, so that multiple systems using the unlicensed spectrum resource can operate reasonably and efficiently.
  • Embodiment 2 is a structural diagram of Embodiment 2 of a control apparatus for using a radio resource according to the present invention. As shown in FIG. 2, this embodiment is further described on the basis of the embodiment shown in FIG.
  • the foregoing acquiring module 11 is used for
  • the first unlicensed spectrum is detected to obtain current communication status information; or, the current communication status information sent by the terminal is received.
  • the sending module 13 is specifically configured to use the physical downlink control channel PDCCH or the medium access control control unit MAC CE (Media Access Control Control Element, media)
  • the intervention control unit is configured to send the indication information to the terminal, where the indication information is used to enable the terminal to learn the available frequency range and/or the channel index set corresponding to the channel in the first cell as the currently available resource;
  • the foregoing indication information is sent in the form of a bitmap, where the bitmap refers to at least one of the available frequency ranges and/or at least one of the channel index sets.
  • the sending module 13 is specifically configured to: by using a preset rule, enable the terminal to learn, in the first cell, an available frequency range and/or a channel index set corresponding to the current available resource.
  • the above preset rules include:
  • the terminal may detect, in the first cell, a frequency range of the communication system signal sent by the control device using the radio resource as the currently available resource; or
  • the terminal may detect, as the currently available resource, a channel of the communication system signal sent by the control device using the radio resource in the first cell.
  • the sending module 13 is further used for
  • the sending module is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the sending module is further configured to send, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal to the terminal; Or the sending module is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a first channel corresponding to the first channel index in the channel index set in the first cell.
  • the determining module 12 is further used for
  • the control device further includes a configuration module 15 configured to configure the first cell with the first unlicensed spectrum resource for the terminal.
  • the determining module 12 is specifically used to determine the maximum bandwidth of the first cell.
  • an optimal sub-range is determined as a first unlicensed spectrum resource among a plurality of said sub-ranges.
  • the configuration module 15 configures the first cell for the terminal by using the first unlicensed spectrum resource
  • the MAC entity includes at least a MAC multiplexing/demultiplexing entity and a downlink HARQ entity; and a capacity of the HARQ buffer of the first cell is determined according to a maximum bandwidth of the first cell.
  • configuration module 15 triggers the sending module 13, and the sending module 13 is further used to
  • the capacity of the HARQ buffer of the first cell or the ratio of the capacity of the HARQ buffer of the first cell to the total HARQ buffer capacity, so that the terminal determines that the terminal is for the first cell HARQ buffer capacity; or,
  • the configuration module 15 is further configured to adjust the capacity of the HARQ buffer of the first cell according to the bandwidth of the currently available resource, and obtain the adjusted HARQ buffer of the first cell. Capacity of the district;
  • the configuration module 15 triggers the sending module 13 to notify the terminal to notify the terminal of the capacity of the adjusted HARQ buffer of the first cell, or the adjusted HARQ buffer of the first cell.
  • the sending module 13 sends a mapping relationship between the bandwidth of the currently available resource of the first cell and the capacity of the adjusted HARQ buffer of the first cell to the terminal, so that the terminal determines the The adjusted HARQ buffer capacity of the terminal for the first cell.
  • the configuration module 15 is further configured to:
  • the terminal is controlled to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell.
  • the configuration module 15 when configured to control the terminal in the first cell, use a DRX timer, a DRX parameter configuration, and a DRX process common to other cells, when the network element learns the first cell After the currently available resources,
  • the configuration module 15 is further configured to control the DRX of the terminal in the first cell, if the available frequency range and/or at least one channel that is available as the currently available resource exists in the first cell.
  • the timer, DRX parameter configuration, and DRX process are consistent with other cells;
  • the configuration module 15 is further configured to control the DRX of the terminal in the first cell, if the available frequency range and/or at least one channel that is available as the currently available resource does not exist in the first cell. The process is stopped, so that the terminal does not monitor the PDCCH for the first cell, does not perform channel state information (CSI) transmission, does not receive downlink data, and does not send uplink data.
  • CSI channel state information
  • the configuration module 15 when the configuration module 15 is configured to control the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell,
  • the configuration module is further configured to control the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell;
  • the configuration module is further configured to control the independent DRX of the terminal in the first cell, if the available frequency range and/or at least one channel that can be the currently available resource does not exist in the first cell, The process is stopped, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • Each module in this embodiment corresponds to each step in the corresponding method embodiment.
  • the specific implementation process and beneficial effects can be referred to the method embodiment.
  • the first cell is configured by using the first unlicensed spectrum resource as the terminal, the available range of the spectrum resource of the communication system is expanded, and the current in the first unlicensed spectrum resource is determined according to the current communication state information.
  • Available resources the communication activities of the terminal can flexibly and rationally use unlicensed spectrum resources, so that multiple different systems using unlicensed spectrum resources can operate reasonably and efficiently.
  • FIG. 3 is a structural diagram of Embodiment 3 of a control apparatus for using a radio resource according to the present invention.
  • the control device using the radio resource in this embodiment may be implemented by using software and/or hardware.
  • the control device is integrated in the terminal.
  • the control device using the radio resource includes: The obtaining module 21 is configured to learn, by the network element, the currently available resource in the first unlicensed spectrum resource, and the communication module 22 is configured to communicate with the network element by using the currently available resource;
  • the first unlicensed spectrum resource is configured to configure a first cell for the control device that uses the radio resource, where a bandwidth of the currently available resource is not greater than a maximum bandwidth of the first cell, where the first cell is The maximum bandwidth is not greater than the bandwidth of the first unlicensed spectrum resource.
  • the obtaining module 21 learns the currently available resources in the first unlicensed spectrum resource by using the network element.
  • the obtaining module 21 is specifically configured to be used.
  • the indication information that is sent by the network element, where the indication information is used to enable the acquiring module 21 to learn the current available resource in the first cell. Available frequency range and/or a set of channel indices corresponding to the channel; the indication information is received by the acquisition module in the form of a bitmap, the bitmap representing at least one of the available frequency ranges and/or Or at least one channel index in the set of channel indices;
  • the acquiring module 21 is specifically configured to learn, by using a preset rule, in the first cell A set of channel indices corresponding to the available frequency range and/or channel of the currently available resource.
  • the obtaining module 21 is further used for
  • the acquiring module 21 is further configured to receive, by using a pre-configured rule, a communication system signal sent by the network element by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the acquiring module 21 is further configured to receive, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal sent by the network element;
  • the acquiring module 21 is further configured to receive, by using a first channel corresponding to the first channel index in the channel index set in the first cell, a communication system signal sent by the network element according to a pre-configuration rule.
  • the above preset rules include:
  • the acquiring module 21 may detect, in the first cell, a frequency range of the communication system signal sent by the network element as the currently available resource; or
  • the acquiring module 21 may detect, in the first cell, a channel of the communication system signal sent by the network element as the currently available resource.
  • control device further includes a control module 23, configured to control the control device.
  • PCFICH Physical Control Format Indicator Channel
  • PHICH Physical HARQ Indicator Channel
  • the obtaining module 21 is further used before the currently available resources in the first unlicensed spectrum resource are learned by the network element.
  • the physical layer energy detection or the matched filtering detection is performed to obtain the current communication state information.
  • the control device further includes a sending module, configured to send the current communication state information to the network element.
  • control module 23 is further configured to accept the network element as the first unlicensed spectrum resource.
  • a first cell configured with a control device of a radio resource;
  • the maximum bandwidth of the first cell is determined by the network element, and the first unlicensed spectrum resource is determined by the network element in an unlicensed frequency range.
  • the acquiring module 21 is configured to receive a capacity of a HARQ buffer of the first cell sent by the network element or a ratio of a capacity of a HARQ buffer of the first cell to a total HARQ buffer.
  • the control module 23 is configured to determine, according to a ratio of a capacity of the HARQ buffer of the first cell or a capacity of a HARQ buffer of the first cell to a total HARQ buffer capacity, the control device that uses the radio resource. The maximum bandwidth of the first cell and the first cell sent by the control module 23 to the control device using the radio resource in advance according to the network element And determining, by the control device that uses the radio resource, the HARQ buffer of the first cell is received, and after acquiring the currently available resources of the first cell, the acquiring module 21 is further configured to receive, by the network element, an adjusted capacity of a HARQ buffer of the first cell, or an adjusted ratio of a capacity of the HARQ buffer of the first cell to a total HARQ buffer capacity; The module 23 is configured to: according to the adjusted capacity of the HARQ buffer of the first cell or the adjusted capacity of the HARQ buffer of the first cell, the total HARQ buffer a ratio of the capacity of the rushing area, determining an adjusted HARQ
  • the control module 23 is configured to pre-process the bandwidth of the currently available resource of the first cell and the adjusted HARQ buffer of the first cell according to the network element to the control device that uses the radio resource.
  • the mapping relationship of the capacity determines the adjusted HARQ buffer capacity of the control device using the radio resource for the first cell.
  • control module 23 is further configured to use the first cell and other cells in common.
  • the independent DRX timer of the first cell, independent parameter configuration, and independent DRX process are used.
  • control module 23 when the control module 23 is configured to use the DRX timer, the DRX parameter configuration, and the DRX process common to the first cell and other cells, If there is the available frequency range and/or at least one channel available as the currently available resource in the first cell, the DRX timer, parameter configuration, and DRX process used by the control module 23 in the first cell Consistent with other communities;
  • the control module 23 stops in the DRX process in the first cell, A cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not transmit uplink data.
  • control module when the control module is configured to use the independent DRX timer, the independent DRX parameter configuration, and the independent DRX process of the first cell, if there is a current available resource in the first cell Describe an available frequency range and/or at least one channel, the control module is configured to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process of the first cell; if the first cell does not exist, The available frequency range of the currently available resource and/or the at least one channel, the control module is configured to stop the independent DRX process in the first cell, do not monitor the PDCCH for the first cell, do not perform The CSI transmits, does not receive downlink data, and does not send uplink data.
  • Each module in this embodiment corresponds to each step in the corresponding method embodiment.
  • the specific implementation process and beneficial effects can be referred to the method embodiment.
  • control device that uses the radio resource is configured by the network element with the first unlicensed spectrum resource to expand the available range of the spectrum resource of the communication system, and is known in the first unlicensed spectrum resource.
  • the communication activity can flexibly and rationally use the unlicensed spectrum resources, so that multiple different systems using unlicensed spectrum resources can operate reasonably and efficiently.
  • FIG. 4 is a structural diagram of Embodiment 1 of a network element according to the present invention. As shown in FIG. 4, the network element in this embodiment includes:
  • a receiver 31 configured to acquire current communication state information
  • the processor 32 is configured to determine, according to the current communication state information, a currently available resource in the first unlicensed spectrum resource;
  • a transmitter 33 configured to notify a terminal of a currently available resource in the first unlicensed spectrum resource, where the processor 32 is configured to communicate with the terminal by using the currently available resource;
  • the first unlicensed spectrum resource is used to configure a first cell for the terminal, where
  • the bandwidth of the first available resource is not greater than the maximum bandwidth of the first cell, and the maximum bandwidth of the first cell is not greater than the bandwidth of the first unlicensed spectrum resource.
  • the receiver 31 is configured to perform detection on the first unlicensed spectrum to obtain current communication state information.
  • the transmitter 33 is specifically used for
  • the indication information is used to enable the terminal to learn the available frequency range in the first cell as the currently available resource. And/or a channel index set corresponding to the channel; preferably, the indication information is sent in the form of a bitmap, the bitmap refers to at least one of the available frequency ranges and/or the channel At least one channel index in the index set;
  • the transmitter is specifically configured to enable, by using a preset rule, the terminal to learn the available frequency range of the currently available resource in the first cell and/or the channel index set corresponding to the channel. Further, the transmitter 33 is also used for
  • the transmitter 33 is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the transmitter 33 is further configured to send, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal to the terminal;
  • the transmitter 33 is further configured to send, by using a pre-configured rule, a communication system signal to the terminal by using a first channel corresponding to the first channel index in the channel index set in the first cell.
  • the above preset rules include:
  • the terminal may detect, in the first cell, a frequency range of the communication system signal sent by the transmitter as the currently available resource; or
  • the terminal may detect, in the first cell, a channel of the communication system signal sent by the transmitter as the currently available resource.
  • the processor 32 is further configured to determine a maximum bandwidth of the first cell, and determine a first unlicensed spectrum resource in an unlicensed frequency range;
  • the processor 32 is specifically used to determine the maximum bandwidth of the first cell.
  • an optimal sub-range is determined as a first unlicensed spectrum resource among a plurality of said sub-ranges.
  • processor 32 is also used to control the processor 32 .
  • the MAC entity includes at least a MAC multiplexing/demultiplexing entity and a downlink HARQ entity; and the capacity of the HARQ buffer of the first cell is Determined according to the maximum bandwidth of the first cell.
  • the processor 32 triggers the transmitter 33, and the transmitter 33 is also used to determine the transmitter 33.
  • processor 32 is also used to control the processor 32 .
  • the processor triggers the transmitter, and the transmitter is configured to notify the terminal of the adjusted capacity of the HARQ buffer of the first cell, or the adjusted capacity of the HARQ buffer of the first cell is total. a ratio of HARQ buffer capacity, such that the terminal determines an adjusted HARQ buffer capacity of the terminal for the first cell; or
  • processor 32 is also used for the processor 32 .
  • the terminal is controlled to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell.
  • the processor when configured to control the terminal in the first cell, use a DRX timer, a DRX parameter configuration, and a DRX process common to other cells,
  • the processor 32 is further configured to control the DRX of the terminal in the first cell if the available frequency range and/or at least one channel that is available as the currently available resource exists in the first cell.
  • the timer, DRX parameter configuration, and DRX process are consistent with other cells;
  • the processor 32 is further configured to control the DRX of the terminal in the first cell. The process is stopped, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the processor 32 when the processor 32 is configured to control the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell,
  • the processor 32 is further configured to control the terminal to use the first cell independently.
  • the processor 32 is further configured to control the independence of the terminal in the first cell.
  • the DRX process is stopped, so that the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the various working units in the embodiment such as the receiver, the transmitter and the processor, are in one-to-one correspondence with the respective steps in the corresponding method embodiments.
  • the specific implementation process and the beneficial effects can be referred to the method embodiments.
  • the bandwidth of the currently available resource of the first cell may be flexibly variable within the maximum bandwidth of the first cell according to the current communication state information, and the network element is determined by the first of the unlicensed frequency ranges.
  • the unlicensed spectrum resource configures the first cell for the terminal, and the frequency range of the first unlicensed spectrum resource is flexible, so that the network element and the terminal can flexibly, reasonably, and efficiently utilize the unlicensed wireless resource.
  • FIG. 5 is a structural diagram of Embodiment 1 of a terminal according to the present invention.
  • the terminal in this embodiment includes: a receiver 41, configured to learn, by using a network element, a currently available resource in a first unlicensed spectrum resource; a processor 42, configured to use the currently available resource and the network Meta communication
  • the first unlicensed spectrum resource is used to configure the first cell, the bandwidth of the currently available resource is not greater than the maximum bandwidth of the first cell, and the maximum bandwidth of the first cell is not greater than the The bandwidth of the first unlicensed spectrum resource.
  • receiver 41 is specifically used for
  • the indication information sent by the network element, where the indication information is used to enable the acquiring module to learn, in the first cell, the current available resource. a set of available frequency ranges and/or a set of channel indices corresponding to the channel; preferably, the indication information is received by the receiver in the form of a bitmap, the bitmap representing at least one of the available frequency ranges Interval and/or at least one channel index in the set of channel indices;
  • the receiver is specifically configured to learn, by using a preset rule, a set of available frequency ranges and/or channel index corresponding to the currently available resource in the first cell.
  • receiver 41 is also used for the receiver 41 .
  • the receiver 41 is further configured to receive, by using a pre-configured rule, a communication system signal sent by the network element by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the receiver 41 is further configured to receive, by using each channel corresponding to each of the channel indexes in the channel index set in the first cell, a communication system signal sent by the network element;
  • the receiver 41 is further configured to receive, by using a first channel corresponding to the first channel index in the channel index set in the first cell, a communication system signal sent by the network element according to a pre-configuration rule.
  • the above preset rules include:
  • the receiver 41 can detect the communication system signal sent by the network element in the first cell. a frequency range as the currently available resource; or
  • the receiver 41 may detect, in the first cell, a channel of a communication system signal sent by the network element as the currently available resource.
  • processor 42 is also used to control the processor 42 .
  • receiver 41 is also used for the receiver 41 .
  • the physical layer energy detection or the matched filtering detection is performed to learn the current communication state information; and the terminal further includes a transmitter 43.
  • the transmitter 43 is configured to send the current communication state information to the network element.
  • the processor 42 is further configured to accept, by the network element, the first cell configured by using the first unlicensed spectrum resource as the terminal, before the current available resource is learned;
  • the maximum bandwidth of the first cell is determined by the network element, and the first unlicensed spectrum resource is determined by the network element in an unlicensed frequency range.
  • the receiver 41 is configured to receive a ratio of a capacity of a HARQ buffer of the first cell sent by the network element or a capacity of a HARQ buffer of the first cell to a total HARQ buffer.
  • the processor 42 is configured to determine, according to a ratio of a capacity of the HARQ buffer of the first cell or a capacity of a HARQ buffer of the first cell to a total HARQ buffer capacity, that the terminal is for the first The HARQ buffer capacity of the cell; or,
  • the receiver 41 is further configured to receive the capacity of the adjusted HARQ buffer of the first cell sent by the network element, or adjust the capacity of the HARQ buffer of the first cell to occupy a total HARQ buffer. Ratio of capacity;
  • the processor 42 is configured to determine, according to the adjusted capacity of the HARQ buffer of the first cell or the ratio of the capacity of the adjusted HARQ buffer of the first cell to the total HARQ buffer capacity, The adjusted HARQ buffer capacity of the first cell; or The processor 42 is configured to map, according to the network element, the bandwidth of the currently available resource of the first cell and the adjusted capacity of the HARQ buffer of the first cell to the terminal. Determining, by the terminal, the adjusted HARQ buffer of the first cell, the processor 42 is further configured to use the first cell and other cells together.
  • the independent DRX timer of the first cell, independent parameter configuration, and independent DRX process are used.
  • processor 42 when the processor 42 is configured to use a DRX timer, a DRX parameter configuration, and a DRX process common to the first cell and other cells,
  • a DRX timer, parameter configuration, and DRX process used by the processor 42 in the first cell if the available frequency range and/or at least one channel available as the currently available resource are present in the first cell Consistent with other communities;
  • the processor 42 stops the DRX process in the first cell, A cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not transmit uplink data.
  • the processor 42 When the processor 42 is configured to use the independent DRX timer, the independent DRX parameter configuration, and the independent DRX process of the first cell, if the available frequency available as the currently available resource exists in the first cell Range and/or at least one channel, the processor 42 is configured to use an independent DRX timer of the first cell, an independent DRX parameter configuration, and an independent DRX process; if the first cell does not exist, the The available frequency range of the currently available resources and/or at least one channel, the processor 42 is configured to stop the independent DRX process in the first cell, do not monitor the PDCCH for the first cell, and do not perform CSI Send, do not receive downlink data, do not send uplink data.
  • the various working units in the embodiment such as the receiver, the transmitter and the processor, are in one-to-one correspondence with the respective steps in the corresponding method embodiments.
  • the specific implementation process and the beneficial effects can be referred to the method embodiments.
  • the terminal is configured with the first cell by the network element by using the first unlicensed spectrum resource, and the available range of the spectrum resource of the communication system is expanded, and is learned in the first unlicensed spectrum resource.
  • the currently available resources, the communication activity between the network element and the terminal can flexibly and rationally use the unlicensed spectrum resources, so that multiple different systems using unlicensed spectrum resources can operate reasonably and efficiently.
  • FIG. 6 is a flowchart of Embodiment 1 of a method for controlling use of a radio resource according to the present invention.
  • the execution entity of this embodiment is a control device that uses a radio resource, and the control device is integrated on a network element for communication service, where the network element is specifically a base station that provides services to the terminal, and the specific control method as follows:
  • the network element obtains current communication state information.
  • the network element detects the first unlicensed spectrum, and obtains current communication state information. For example, the network element performs detection before transmitting the communication system signal according to LBT (Listen Before Talk), such as physical layer energy detection. Determining the available resources for communication without other system interference, thereby determining the current communication state information; or the network element may receive the current communication state information sent by the terminal; wherein the first unlicensed spectrum resource is used to configure the first
  • the first unlicensed spectrum resource in the first cell provides a radio resource for the communication activity between the terminal and the network element, but the maximum bandwidth of the first cell is not greater than the bandwidth of the first unlicensed spectrum resource, that is,
  • the first cell can flexibly provide wireless resources in the first unlicensed spectrum resource to the communication activity between the terminal and the network element that is not greater than the maximum bandwidth of the first cell.
  • the network element determines, according to the current communication state information, a currently available resource in the first unlicensed spectrum resource.
  • the network element configures the first cell with the first unlicensed spectrum resource as the terminal, but because the communication environment is complex and variable, if the different system shares the first unlicensed spectrum resource of the first cell, the current system uses other systems. A part of the first unlicensed spectrum resource, the current time network element needs to determine the currently available resource in the first unlicensed spectrum resource according to the current communication state information, where the bandwidth of the currently available resource is not greater than the first cell. Maximum bandwidth.
  • the network element notifies the terminal of the currently available resources in the first unlicensed spectrum resource.
  • the network element communicates with the terminal by using currently available resources.
  • the communication between the network element and the terminal in this embodiment may be based on the use of the licensed spectrum resource, and further utilize the unlicensed spectrum resource to expand the available spectrum resource range of the communication.
  • the network element configures the first cell with the first unlicensed spectrum resource as the terminal, expands the available range of the spectrum resource of the communication system, and determines according to the current communication state information.
  • the currently available resources in the first unlicensed spectrum resource, the communication activity between the network element and the terminal can flexibly and rationally use the unlicensed spectrum resource, so that multiple systems using the unlicensed spectrum resource can operate reasonably and efficiently.
  • FIG. 7 is a flowchart of Embodiment 2 of a method for controlling a radio resource according to the present invention. As shown in FIG. 7, this embodiment is further described on the basis of the embodiment shown in FIG. 6. The specific control process of this embodiment is as follows:
  • the network element determines a maximum bandwidth of the first cell, and determines a first unlicensed spectrum resource in an unlicensed frequency range.
  • the unlicensed frequency range in this embodiment refers specifically to the unlicensed spectrum that the network element needs to use in the actual application, and the total bandwidth or part of the bandwidth of the unlicensed spectrum that is allowed to be used in the country or region where the network element is located, such as the network.
  • the 5GHz band unlicensed spectrum that is allowed to be used includes 5170MHz ⁇ 5330MHz and 5490MHz ⁇ 5710MHz. In the US application environment, both the above spectrum and the 5710MHz ⁇ 5730MHz spectrum can be used.
  • the network element uses the unlicensed spectrum allocation rule of the country or region, the unlicensed spectrum usage status of the area where the network element is located, the measurement of the unlicensed spectrum by the network element or the terminal, or the unlicensed spectrum use.
  • the historical statistical information is used to determine the first unlicensed spectrum resource for configuring the first cell in the unlicensed frequency range.
  • the first unlicensed spectrum resource may be determined to be in the unlicensed frequency range 5170 MHz to 5250 MHz, and the frequency range is 5170 MHz. 5230MHz; at the same time, the network element can determine the maximum bandwidth of the first cell according to the requirement of the communication traffic, and the maximum bandwidth of the first cell is adapted to the maximum bandwidth capability that the terminal can report in advance to the network element.
  • the network element configures the first cell for the terminal by using the first unlicensed spectrum resource.
  • the network element sends radio resource configuration information to the terminal, where the radio resource configuration information includes at least the following information: an Evolved Cell Global Identifier (ECGI) and/or the first cell of the secondary cell (SCdl) Or a physical cell identity (PCI), a maximum bandwidth, and/or at least one frequency range (frequency) and/or a frequency range corresponding to a channel index or channel number (channel number) ).
  • ECGI Evolved Cell Global Identifier
  • SCdl secondary cell
  • PCI physical cell identity
  • the network element may set the foregoing information by using a radio resource control connection reconfiguration (Radio Resource Control Connection Reconfiguration) message.
  • Radio Resource Control Connection Reconfiguration Radio Resource Control Connection Reconfiguration
  • the network element When the network element receives the configuration completion message sent by the terminal, it indicates that the network element is configured as the first terminal. The cell is completed.
  • the frequency range of the first unlicensed spectrum resource may be a continuous spectrum or a discontinuous spectrum, but the bandwidth of the first unlicensed spectrum resource is not less than the maximum bandwidth of the first cell, for example, the first non-
  • the frequency range of the licensed spectrum resource is 5170MHz ⁇ 5230MHz
  • the bandwidth of the first unlicensed spectrum resource is 60 MHz
  • the maximum bandwidth of the first cell can be 40 MHz.
  • the maximum resource of the first cell is a resource of any 40 MHz bandwidth of 5170 MHz to 5230 MHz.
  • the unlicensed frequency range is 5170 MHz to 5250 MHz, and the maximum bandwidth of the first cell is 80 MHz.
  • the first unlicensed spectrum resource determined in the unlicensed frequency range is 5170 MHz to 5250 MHz.
  • An unlicensed spectrum resource configures a first cell for a terminal, where the first cell includes four channels with channel indexes of 36, 40, 44, and 48, each channel index represents a channel of 20 MHz bandwidth, and a frequency range of each channel According to the channel index increasing in ascending order, the center frequencies of each channel are 5180MHz, 5200MHz, 5220MHz, 5240MHz
  • the maximum bandwidth of the first cell is 5170MHz ⁇ 5250MHz.
  • the maximum bandwidth of the first cell determined by the network element is smaller than the total bandwidth of the unlicensed frequency range, and multiple sub-ranges whose bandwidth is not less than 20 MHz of the maximum bandwidth of the first cell may be allocated in the unlicensed frequency range.
  • the network element determines the optimal sub-range as the first unlicensed spectrum resource in the plurality of sub-ranges according to the obtained measurement report for multiple sub-ranges (which can indicate whether the communication environment of each range is good), for example, determining the sub-range 5170 MHz ⁇ 5190MHz is an optimal sub-range, and the network element configures the first cell with the optimal sub-range as the first unlicensed spectrum resource, and the first cell only includes the channel index of 36; if the sub-range 5170MHz ⁇ 5230MHz is determined to be optimal The sub-range, the network element configures the first cell with the optimal sub-range as the first unlicensed spectrum resource, and the available channels in the first cell include the channel corresponding to the channel index 36, the channel index 40, and the channel index 44, and each The bandwidth of the channel is 20 MHz, but since the maximum bandwidth of the first cell is 20 MHz, the first cell is in each subframe.
  • Only one channel can be used; it can be understood that the network element can re-measure the sub-range in the unlicensed frequency range according to the change of the communication environment, and then the network element can also determine the sub-range 5190MHz ⁇ 5210MHz, or 5210MHz according to the measurement report. 5230MHz, or 5230MHz ⁇ 5250MHz, etc. are optimal sub-ranges, as the first unlicensed spectrum resource.
  • the network element determines the optimal sub-range among the multiple sub-ranges according to the obtained measurement report for the multiple sub-ranges.
  • the first unlicensed spectrum resource for example, determining that the sub-range 5170 MHz ⁇ 5210 MHz is the optimal sub-range, the network element configuring the first cell with the optimal sub-range as the first unlicensed spectrum resource, and the channel that the first cell can use includes the channel
  • the channels corresponding to the indexes 36 and 40, and the bandwidth of each channel is 20 MHz, but since the maximum bandwidth of the first cell is 40 MHz, the first cell can use the above two channels in each subframe; if the sub-range is determined to be 5170 MHz ⁇ 5230MHz is an optimal sub-range, and the network element configures the first cell with the optimal sub-range as the first unlicensed spectrum resource, and the available channel in the first cell includes the channel index 36, the channel index 40, and the channel index 44.
  • the first cell can use any two of the above three channels in each subframe; it can be understood that, according to the change of the communication environment, the network element can re-measure the sub-range in the unlicensed frequency range, and adjust The frequency range of an unlicensed spectrum resource.
  • the network element configures the first cell by using the first unlicensed spectrum resource determined in the unlicensed frequency range, and the bandwidth and frequency range of the currently available resource of the first cell are based on the maximum bandwidth and the non-
  • the flexible frequency range of the authorized frequency enables the network element and the terminal to flexibly, reasonably and efficiently utilize the unlicensed radio resources, and can configure a frequency range with a large bandwidth in one cell, that is, when the demand for supporting the large bandwidth is met.
  • the network element can determine the frequency range with a large bandwidth in the unlicensed frequency range, and is used to configure the first cell, and does not need to be aggregated by carriers of multiple cells as in the prior art, so that a larger bandwidth can be obtained.
  • the network element When the network element configures the first cell for the terminal, optionally, the network element further includes a MAC (Media Access Control) entity and a Hybrid Automatic Repeat Reques (HARQ) for the first cell.
  • Buffer When the network element configures the first cell for the terminal, optionally, the network element further includes a MAC (Media Access Control) entity and a Hybrid Automatic Repeat Reques (HARQ) for the first cell.
  • MAC Media Access Control
  • HARQ Hybrid Automatic Repeat Reques
  • the MAC entity includes at least a MAC multiplexing/demultiplexing entity and a downlink HARQ entity. If the network element is configured with an uplink for the first cell, an uplink HARQ entity and a logical channel prioritization (LCP) entity are also required to be set. Optionally, it also includes a random access control entity;
  • the capacity of the HARQ buffer of the first cell is determined according to the maximum bandwidth of the first cell; for example, when the first cell and other small cells If the other cell is a cell configured for the terminal, and the other cell can perform carrier aggregation with the first cell in this embodiment, if the total HARQ buffer capacity is shared, the maximum bandwidth of the first cell is used.
  • the maximum bandwidth of the first cell is 80 MHz, because the first cell belongs to the cellular network system and is shared with the different system. In the spectrum, the 80 MHz resource is not always occupied by the first cell. Therefore, the capacity of the HARQ buffer configured for the first cell is smaller than the capacity determined according to the bandwidth ratio of each cell.
  • the network element is When the terminal configures the first cell, the network element also notifies the capacity of the HARQ buffer of the first cell when configuring the first cell for the terminal. Or the ratio of the capacity of the HARQ buffer of the first cell to the total HARQ buffer capacity, so that the terminal determines the HARQ buffer capacity of the terminal for the first cell; or the network element sends the first to the terminal in advance.
  • the mapping between the maximum bandwidth of the cell and the HARQ buffer capacity of the first cell when the network element configures the first cell for the terminal, the terminal can determine the HARQ buffer of the first cell according to the maximum bandwidth of the first cell and the mapping relationship.
  • the capacity of the area such that the terminal determines the HARQ buffer capacity of the terminal for the first cell.
  • the network element further controls the terminal to use a common DRX timer, a DRX parameter configuration, and a DRX process in the first cell and other cells; or
  • the network element controls the terminal to use an independent DRX timer, a DRX independent parameter configuration, and an independent DRX process in the first cell.
  • the other cell is also a cell that provides resources for the terminal.
  • the first cell may also perform carrier aggregation with other cells to provide more resources for the terminal.
  • the prior art defines DRX timers, DRX parameters, and DRX rules that determine DRX behavior.
  • the DRX timer includes an on-time timer for controlling the DRX cycle, an inactivity timer that controls the terminal to receive the length of the active time after scheduling the new transmission, and the control terminal waits for the HARQ retransmission.
  • the DRX parameters include the DRX start offset of the start time position of the DRX periodically waking up, and the like.
  • the DRX process refers to the behavior of the terminal to determine the start, restart, and stop of the timer to maintain the active time or inactive time according to the scheduling situation and the DRX rule;
  • the DRX state corresponding to the terminal is maintained according to the DRX timer, parameter configuration, and specific scheduling of the terminal, so that the active state and the inactive state of the terminal can be known.
  • the common DRX timer, the DRX parameter configuration, and the DRX process refer to the network configuring a common DRX timer and DRX parameter configuration for the terminal, and the DRX process of the terminal in any active cell is consistent with the DRX process of other cells. For example, when the terminal periodically wakes up at the active time, the terminal monitors the PDCCH or the EPDCCH in all the cells, and performs downlink reception and uplink transmission. When the terminal is scheduled to transmit a new transmission in any cell, the terminal starts or restarts the inactivity. An inactivity timer, so that during the inactivity time timer operation, the terminal can remain active for monitoring the PDCCH or EPDCCH of each cell. If the activity timer is not running and the inactivity time timer is not running, the terminal is inactive time, and the PDCCH or EPDCCH is not monitored in each cell, and downlink reception and uplink transmission cannot be performed.
  • the independent DRX timer, the DRX parameter configuration, and the DRX process refer to a network that configures a set of DRX timers and DRX parameter configurations for each of the cells, and the terminal configures according to the DRX timer and DRX parameters corresponding to the cell.
  • the scheduling situation on the cell determines that the terminal is in active time or inactive time, and the DRX behavior of the terminal on each cell is independent of each other and does not affect each other.
  • the network element when the network element configures the first cell by using the first unlicensed spectrum resource in the unlicensed frequency range, when the network element configures the physical layer for the first cell, the new physical layer is configured, and correspondingly, the terminal
  • the physical layer needs to be configured according to the above new physical layer; during use, the terminal can automatically switch between the traditional physical layer configuration and the new physical layer configuration.
  • Physical layer configuration switching may require one or more orthogonal frequency division multiplexing (OFDM) symbols or one or more subframe transitions or transition times, and the terminal is in transition or transition time.
  • the traditional physical layer configuration may continue to be used or not received/transmitted during the period; or the network element may also indicate that the terminal always configures according to the traditional physical layer or always uses the new physical layer configuration.
  • the new physical layer configured for the first cell includes at least one or more of the following contents:
  • the terminal needs to use a radio frequency chain (RF chain, g ⁇ radio frequency chain) or multiple radio frequency chains use the resources of the first cell, and are used to carry one transport block TB.
  • RF chain radio frequency chain
  • the allocation of physical resource blocks may be indicated according to the frequency offset between the channel indexes, such as according to the lowest channel index.
  • the difference between the PRB 1 allocated by the corresponding frequency range plus the frequency of the current channel and the lowest channel indicates the PRB 2 allocated by the frequency range corresponding to the current channel, and the PRB 1 and PRB 2 are used for the same transport block TB.
  • the resources needed are needed.
  • the granularity of the PRB resource allocation can be expanded.
  • the minimum unit of the number of PRBs or the number of resource block groups (RBGs) is the base 2 exponential multiple of the prior art.
  • the minimum unit for allocating PRB resources each time is 2, 4, 8, 16... PRB, etc.; resource block group The minimum allocation unit of RBG is 2, 4, 8, 16...etc.
  • a PRB has a granularity of 12 subcarriers at a frequency of 180 KHz in a frequency domain, and a subcarrier spacing of 15 KHz per subcarrier, and an extended PRB can occupy 18, 24 subcarriers or each.
  • the subcarriers have a width of 30 KHz and the like.
  • the granularity or step size of the frequency raster can be extended.
  • the traditional granularity is 100 KHz, which can be expanded to 200 KHz.
  • the new physical layer configured by the network element in the first cell can dynamically adjust corresponding parameters according to the current available resources in the first cell, and is used to support more radio resource allocation and higher peak data rate.
  • the network element obtains current communication status information.
  • the network element determines, according to current communication state information, a currently available resource in the first unlicensed spectrum resource.
  • the network element notifies the terminal of the currently available resources in the first unlicensed spectrum resource.
  • the network element can dynamically adjust the capacity of the HARQ buffer of the first cell, that is, the network element is based on the currently available resources, while the network element notifies the currently available resource in the first unlicensed spectrum resource of the terminal. Bandwidth, dynamically adjust the capacity of the HARQ buffer of the first cell, and dynamically notify the terminal of the adjusted capacity of the HARQ buffer of the first cell or the adjusted capacity of the HARQ buffer of the first cell in the total HARQ buffer.
  • the mapping of the HARQ buffer capacity of the cell specifically, the bandwidth of the current available resource of the first cell is 20 MHz, but the capacity of the HARQ buffer set for the first cell when the network element performs S202 is the largest according to the first cell.
  • the bandwidth is set to 40 MHz, but the bandwidth of the currently available resource of the first cell is 20 MHz, and the network element adjusts the capacity of the HARQ buffer of the first cell.
  • the adjusted capacity of the HARQ buffer of the first cell is adjusted, and the ratio of the capacity of the adjusted HARQ buffer of the first cell to the capacity of the total HARQ buffer is also adjusted, and the adjusted HARQ of the first cell is obtained.
  • the ratio of the capacity of the buffer to the total HARQ buffer capacity and then notifying the terminal by MAC CE or RRC signaling or PDCCH, so that the terminal determines the adjusted HARQ buffer capacity of the terminal for the first cell; or
  • the element sends a mapping relationship between the bandwidth of the currently available resource of the first cell and the adjusted capacity of the HARQ buffer of the first cell to the terminal, that is, the terminal may be based on the first time after the bandwidth of the currently available resource changes.
  • the mapping between the bandwidth of the current available resource of the cell and the adjusted capacity of the HARQ buffer of the first cell determines the capacity of the adjusted HARQ buffer of the first cell, so that the terminal can determine that the terminal is for the first
  • the adjusted HARQ buffer capacity of the cell thus, the HARQ buffer of the first cell is adjusted according to the currently available resources of the first cell. Small, make more efficient use of the terminal resources the HARQ buffer, then the cost of the terminal to ensure that the premise of reducing data throughput and peak data rate.
  • the physical layer of the first cell may be based on the bandwidth of the currently available resources, and the transmission of the CRS/CSI-RS may skip the frequency range occupied by the different system in the frequency domain, that is, the frequency corresponding to some channel indexes.
  • the base station does not transmit CRS, CSI-RS, etc. within the range.
  • the network element may also use the bandwidth of the currently available resource, and the transmission of the sounding reference signal (SRS) may skip the frequency range occupied by the different system in the frequency domain, that is, in some channel indexes.
  • the terminal does not transmit SRS or the like in the corresponding frequency range.
  • the network element in the foregoing S202 controls the terminal to use the DRX timer, the DRX parameter configuration, and the DRX process common to other cells in the first cell
  • the network element is configured according to the current
  • the communication status information determines the currently available resources in the first unlicensed spectrum resource, if the available frequency range and/or at least one channel available as the currently available resource exists in the first cell
  • the network The UE controls the DRX timer, the DRX parameter configuration, and the DRX process of the first cell to be consistent with other cells;
  • the network element controls the DRX process of the terminal in the first cell to stop, to The terminal is not to monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the network element in S202 controls the terminal to use an independent DRX timer, an independent DRX parameter configuration, and an independent DRX process in the first cell
  • the network element determines, according to the current communication state information, a first non- After authorizing the currently available resources in the spectrum resource,
  • the network element controls the terminal to use an independent DRX timer in the first cell, DRX independent parameter configuration and independent DRX process;
  • the network element controls the terminal to stop the independent DRX process in the first cell, Therefore, the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the network element controls the DRX timer, the DRX parameter configuration, and the DRX process of the terminal, where the network element configures a DRX timer and a DRX parameter configuration for the terminal, and controls the terminal DRX timing by using a scheduling and resource allocation process.
  • the DRX process such as the operation of the device and the active time and inactivity time of the terminal, the network element may also notify the terminal of the available frequency range information of the first cell, combine the pre-defined relationship between the DRX behavior and the available frequency, and the DRX.
  • the rules control the DRX process of the terminal.
  • the network element communicates with the terminal by using currently available resources.
  • the network element schedules the terminal at the currently available resources, and transmits and/or receives communication behaviors such as control signaling and service data with the terminal.
  • the bandwidth of the currently available resource of the first cell may be flexibly variable within the maximum bandwidth of the first cell according to the current communication state information, and the network element is determined by the first unlicensed spectrum resource in the unlicensed frequency range.
  • the first cell is configured for the terminal, and the frequency range of the first unlicensed spectrum resource is flexible, so that the network element and the terminal can flexibly, reasonably, and efficiently utilize the unlicensed wireless resource.
  • FIG. 8 is a flowchart of Embodiment 3 of a method for controlling a radio resource according to the present invention.
  • the executor of the embodiment is a terminal, and the terminal accesses the serving cell of the network element in the foregoing Embodiment 1 or Embodiment 2, specifically:
  • the terminal learns the currently available resources in the first unlicensed spectrum resource by using the network element.
  • the first unlicensed spectrum resource is used to configure the first cell for the terminal, and the first unlicensed spectrum resource of the first cell provides radio resources for communication between the network element and the terminal, and the communication environment is complex and variable. If the first system uses the first unlicensed spectrum resource in the first cell, and the other system uses the part of the first unlicensed spectrum resource at the current time, the first unlicensed spectrum resource in the first cell at the current time. It cannot be used for communication between the network element and the terminal. Therefore, the terminal needs to know the currently available resources in the first unlicensed spectrum resource.
  • the indication information sent by the network element where the indication information is used to enable the terminal to learn, in the first cell, the available frequency range and/or channel corresponding to the currently available resource. Or the channel index set corresponding to the currently available resource in the first cell, and the channel index set corresponding to the channel in the first cell; or the indicator information is in the form of a bitmap.
  • the bitmap refers to at least one of the above-mentioned available frequency ranges and/or at least one of the channel index sets.
  • the frequency domain interval and the channel are in one-to-one correspondence, since the bandwidth of the channel is 20 MHz.
  • the bandwidth of each frequency domain interval is 20 MHz.
  • the frequency range of the first unlicensed spectrum resource of the first cell is 5170 MHz to 5250 MHz
  • the available frequency range as the currently available resource includes the frequency range 5170 MHz to 5190 MHz and the frequency.
  • the domain interval is 5190MHz ⁇ 5210MHz
  • the channel index of the corresponding channel is 36 and 44
  • each bit in the bitmap Corresponding to the frequency domain interval or channel index for example, the first bit in the bitmap 1000 is 1, which refers to the first frequency domain interval of 5 ⁇ 0 ⁇ 5250 ⁇ , that is, according to the channel index from low to high, at 5170 ⁇
  • Channel it can be known that when there is more than one channel index or frequency domain interval, the network element sends the indication information to the terminal in the form of a bitmap, and the terminal can be notified of multiple frequency domain intervals or multiples by one transmission of information.
  • Channel index it can be known that when there is more than one channel index or frequency domain interval, the network element sends the indication information to the terminal in the form of a bitmap, and the terminal can be notified of multiple frequency domain intervals or multiples by one transmission of information.
  • the terminal communicates with the network element by using the currently available resource.
  • the terminal accepts the first cell in which the network element configures the first unlicensed spectrum resource as the terminal, but the maximum bandwidth of the first cell is not greater than the bandwidth of the first unlicensed spectrum resource. That is, the first cell may flexibly provide wireless resources in the first unlicensed spectrum resource to the communication activity between the terminal and the network element that is not greater than the maximum bandwidth of the first cell.
  • the terminal is configured with the first cell by the network element with the first unlicensed spectrum resource, the available range of the spectrum resource of the communication system is expanded, and the currently available resource in the first unlicensed spectrum resource is learned.
  • the communication activity between the network element and the terminal can flexibly and rationally use the unlicensed spectrum resource, so that multiple different systems using the unlicensed spectrum resource can operate reasonably and efficiently.
  • FIG. 9 is a flowchart of Embodiment 4 of a method for controlling use of a radio resource according to the present invention.
  • the execution subject of the embodiment is a terminal, which is further described on the basis of the embodiment described in FIG. 8.
  • the specific steps are as follows:
  • the terminal accepts, by the network element, the first unconfigured spectrum resource as the first cell configured by the terminal.
  • the maximum bandwidth of the first cell is determined by the network element, and the first unlicensed spectrum resource is determined by the network element in an unlicensed frequency range.
  • the terminal receives the wireless sent to the network element.
  • the resource configuration information, the radio resource configuration information includes at least the following information: an Evolved Cell Global Identifier (ECGI) and/or a physical cell identity (ECG) of the first cell of the secondary cell (SCell) Referred to as PCI), maximum bandwidth, and/or at least one frequency range and/or frequency range corresponding to the channel index or channel number.
  • the network element may configure the foregoing information for the terminal by using a radio resource control connection reconfiguration message. Then, the terminal performs corresponding parameter configuration according to the radio resource configuration information sent by the network element.
  • the terminal After the terminal completes its own parameter configuration, it sends the configuration completion message to the network element to complete the configuration of the first cell.
  • the terminal receiving the The capacity of the HARQ buffer of the first cell or the ratio of the capacity of the HARQ buffer of the first cell to the total HARQ buffer,
  • the terminal determining, by the terminal, the HARQ buffer of the terminal for the first cell according to a ratio of a capacity of the HARQ buffer of the first cell or a capacity of a HARQ buffer of the first cell to a total HARQ buffer capacity. Capacity; or,
  • a HARQ buffer of the terminal for the first cell Determining, by the terminal, a HARQ buffer of the terminal for the first cell according to a mapping relationship between a maximum bandwidth of the first cell and a HARQ buffer capacity of the first cell that is sent by the network element to the terminal in advance Area capacity.
  • the terminal uses the DRX timer, the DRX parameter configuration, and the DRX process common to the first cell and other cells according to the control of the first cell by the network element; or
  • the terminal uses an independent DRX timer of the first cell, an independent DRX parameter configuration, and an independent DRX process.
  • the terminal performs physical layer energy detection or matched filtering detection to obtain the current communication status information.
  • the terminal sends the current communication state information to the network element.
  • the terminal may directly execute S402 by performing the foregoing S402 and S403.
  • the terminal learns, by using the network element, the currently available resources in the first unlicensed spectrum resource. Specifically, as described in the foregoing S301; further, in S401, the terminal controls the first cell according to the network element, and when the terminal uses the DRX timer and the DRX parameter configuration common to the first cell and other cells.
  • the DRX process if it is learned by S404 that the available frequency range and/or at least one channel that is available as the currently available resource exists in the first cell, the DRX timer and the DRX parameter used by the terminal in the first cell
  • the configuration and DRX processes are consistent with other cells;
  • the DRX process of the terminal in the first cell stops, and According to the control of the network element, the terminal does not monitor the PDCCH for the first cell, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the terminal controls the first cell according to the network element, and when the terminal uses the independent DRX timer of the first cell, independent DRX parameter configuration, and After the DRX process is established, after the terminal learns the currently available resources in the first unlicensed spectrum resource through the network element,
  • the terminal still uses an independent DRX timer of the first cell in the first cell, Independent DRX parameter configuration and independent DRX process;
  • the independent DRX process of the terminal in the first cell stops, and the terminal According to the control of the network element, the first cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the terminal communicates with the network element by using the currently available resource.
  • the terminal when the network element adjusts the capacity of the HARQ buffer of the first cell, the terminal further needs to receive the adjusted capacity of the HARQ buffer of the first cell sent by the network element, or adjust The ratio of the capacity of the HARQ buffer of the first cell to the total HARQ buffer capacity; the terminal according to the adjusted capacity of the HARQ buffer of the first cell or the adjusted HARQ buffer of the first cell The ratio of the capacity to the total HARQ buffer capacity, determining the adjusted HARQ buffer capacity of the terminal for the first cell; or
  • the terminal is configured with the first cell by the network element with the first unlicensed spectrum resource, the available range of the spectrum resource of the communication system is expanded, and the currently available resource in the first unlicensed spectrum resource is learned.
  • the communication activity between the network element and the terminal can flexibly and rationally use the unlicensed spectrum resource, so that multiple different systems using the unlicensed spectrum resource can operate reasonably and efficiently.
  • FIG. 10 is a signaling diagram of Embodiment 5 of a method for controlling a radio resource according to the present invention. As shown in FIG. 10, this embodiment combines the foregoing embodiments shown in FIG. 6 to FIG. 9 to further describe the details. Specifically, the steps of this embodiment are as follows:
  • the S50K network element determines the maximum bandwidth of the first cell and determines the first unlicensed spectrum resource in the unlicensed frequency range.
  • the first cell may be configured by using the unlicensed frequency range as the first unlicensed spectrum resource, and the maximum bandwidth of the first cell determined by the network element is smaller than the total bandwidth of the unlicensed frequency range.
  • the network element divides, in an unlicensed frequency range, a plurality of sub-ranges that are not less than a maximum bandwidth of the first cell,
  • the network element determines an optimal sub-range as the first unlicensed spectrum resource among the plurality of sub-ranges according to the obtained measurement report for the plurality of sub-ranges.
  • S502 The network element sends radio resource configuration information to the terminal.
  • the terminal performs parameter configuration according to the radio resource configuration information.
  • S504 The network element receives a configuration completion message sent by the terminal.
  • the S502 to the S503 are configured to configure the first cell by using the first unlicensed spectrum resource as the terminal, that is, the network element configures the first cell by using the first unlicensed spectrum resource as the terminal, and the terminal is configured according to the wireless.
  • the configuration of the resource configuration information is performed to complete the configuration of the first cell, and the configuration completion message is sent to the network element.
  • the specific process is as described in S202.
  • the network element sets a MAC entity and a hybrid automatic repeat request HARQ buffer, and a DRX timer, a DRX parameter configuration, and the first cell.
  • the specific process is as described in S202.
  • the terminal cooperates with the behavior of the network element to determine the HARQ buffer capacity of the terminal for the first cell, and uses the DRX timer, the DRX parameter configuration, and the DRX process. For details, refer to S401. .
  • the radio resource communication between the network element and the terminal by using the unlicensed spectrum, and determining the currently available resources in the first cell, that is, after the network element is configured as the terminal, the unlicensed wireless is used.
  • the resource performs communication between the network element and the terminal the above S501 to S504 need not be performed.
  • the terminal performs physical layer energy detection or matched filtering detection, and learns the current communication status.
  • I Ft is self-defeating.
  • the terminal sends current communication status information to the network element.
  • the network element performs physical layer energy detection or matched filtering detection, and learns the current communication status.
  • I Ft is self-defeating.
  • S505b is used instead of S505a, then S507 will be executed directly.
  • the network element notifies the terminal in the first unlicensed spectrum resource according to the current communication state information.
  • Currently available resources Currently available resources.
  • FIG. 11 is a schematic diagram of a first unlicensed spectrum resource in Embodiment 5 of the present invention.
  • the network element configures the first cell by using the first unlicensed spectrum resource as the terminal, and the four channels are set in the first cell, and the channel index and each frequency of each channel are used. Interval one-to-one correspondence; the current available resources are specifically one or more channels in FIG. 6 (also can be understood as a frequency interval), and the manner in which the network element notifies the terminal of the currently available resources in the first unlicensed spectrum resource is as follows: Ways:
  • the first mode the network element sends the indication information to the terminal by using the PDCCH or the media intervention control unit MAC CE, where the indication information is used to enable the terminal to learn that the current available resource is available in the first cell. a frequency range and/or a channel index set corresponding to the channel; in the first mode, optionally, the indication information is sent in the form of a bitmap, and the bitmap refers to at least one of the available frequency ranges. a frequency interval and/or at least one channel index in the set of channel indices;
  • the second mode the network element obtains, by using a preset rule, the terminal, the available frequency range of the current available resource in the first cell, and/or the channel index set corresponding to the channel;
  • the preset rule includes: the terminal may detect, in the first cell, a frequency range of the communication system signal sent by the network element as the currently available resource; or
  • the terminal may detect, in the first cell, a channel of a communication system signal sent by the network element as the currently available resource;
  • the terminal periodically receives on the first spectrum resource periodically, if the terminal is in the figure
  • the channel 1 and the channel 3 shown in FIG. 5 receive the communication system signal transmitted by the network element, and the terminal determines the channel 1 and the channel 3 as the currently available resources;
  • the communication system signal includes: a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) of the LTE system, and cell-specific The reference signal (CRS, cell reference signal); optionally, the channel information corresponding to the system information broadcast (MIB, master information block).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • CRS cell-specific The reference signal
  • MIB system information broadcast
  • S508 The network element sends a communication system signal to the terminal.
  • S508 may occur before S507, or may occur simultaneously with S507, or It may also occur after S508.
  • the network element sends the communication system signal to the terminal by using the full range of the available frequency ranges in the first cell; for example, the available frequency range includes two frequency intervals, and the network element is in the two frequency intervals. Transmitting the communication system signal to the terminal; that is, the terminal uses the full range of the available frequency range in the first cell, and receives the communication system signal sent by the network element;
  • the network element sends the communication system signal to the terminal according to a pre-configured rule using a range corresponding to the pre-configured rule in the available frequency range in the first cell; for example, the available frequency range includes two frequency intervals, and the pre-configuration rule defines
  • the network element transmits the communication system signal in the frequency interval of the middle frequency band (which may also be the high frequency band) in the available frequency range. Therefore, the network element transmits the communication system signal in the frequency interval with the low frequency band in the two frequency intervals; that is, the terminal according to the advance Configuring a rule to receive a communication system signal sent by the network element by using a range corresponding to the pre-configured rule in the available frequency range in the first cell;
  • the network element sends the communication system signal to the terminal by using each channel corresponding to each of the channel indexes in the channel index set in the first cell; for example, the channel index includes a channel index of 4 channels, and the network element is 4
  • the communication system signals are sent to the terminal on the channel; that is, the terminal uses the communication system signals sent by the respective channels corresponding to the respective channel indexes in the channel index set in the first cell to the receiving network element;
  • the network element sends the communication system signal to the terminal by using the first channel corresponding to the first channel index in the channel index set in the first cell according to a pre-configuration rule; for example, the pre-configuration rule specifies that the network element can use the channel index set.
  • the channel corresponding to any one of the channel indexes transmits the communication system signal, and the network element arbitrarily selects one channel index as the first channel index in the channel index set, thereby transmitting the communication system signal to the terminal on the channel corresponding to the first channel index; for example
  • the pre-configuration rule stipulates that the network element uses the maximum channel index in the channel index set as the first channel index, so that the communication system signal is sent by using the first channel corresponding to the first channel index; that is, the terminal uses the channel in the first cell according to the pre-configuration rule.
  • the first channel corresponding to the first channel index in the index set receives the communication system signal sent by the network element.
  • the terminal adjusts the listening range of the PDCCH/EPDCCH control channel according to the learned current available resources, and adjusts the physical control format indication channel PCFICH and the physical hybrid automatic retransmission respectively.
  • the terminal can adjust the range of monitoring, monitoring, and receiving in real time according to the currently available resources, so that the terminal does not always work in the full range.
  • the network element sets the MAC entity and the hybrid automatic repeat request HARQ buffer, and the DRX timer, the DRX parameter configuration, and the DRX process for the first cell
  • the current available resource is the currently available resource
  • the HARQ buffer, the DRX timer, the DRX parameter configuration, and the DRX process need to be adjusted accordingly.
  • the network element is based on the currently available resource. Bandwidth, adjusting the capacity of the HARQ buffer of the first cell, and obtaining the adjusted capacity of the HARQ buffer of the first cell;
  • the terminal Notifying the terminal of the adjusted capacity of the HARQ buffer of the first cell, or the ratio of the adjusted capacity of the HARQ buffer of the first cell to the total HARQ buffer capacity, so that the terminal determines that the terminal is targeted by the terminal
  • the adjusted HARQ buffer capacity of the first cell; or the network element sends the bandwidth of the currently available resource of the first cell to the terminal and the HARQ of the adjusted first cell in advance a mapping relationship between the capacity of the buffer, so that the terminal determines the adjusted HARQ buffer capacity of the terminal for the first cell; correspondingly, the terminal also adjusts with the network element, specifically referring to the foregoing FIG. Example.
  • the network element Controlling the DRX timer, the DRX parameter configuration, and the DRX process of the first cell are consistent with the DRX timer, parameter configuration, and DRX process of other cells;
  • the network element controls the terminal to use a common DRX timer, parameter configuration, and DRX process in the first cell and other cells; or
  • the network element controls the terminal to use mutually independent DRX timers, DRX parameter configurations, and DRX processes in the first cell and other cells;
  • the network element Determining, by the network element, that the available frequency range and/or channel that is the currently available resource does not exist in the first cell according to the current communication state information, the network element notifying the terminal to the A cell does not monitor the PDCCH, does not perform CSI transmission, does not receive downlink data, and does not send uplink data.
  • the terminal also performs corresponding steps in cooperation with the network element, with specific reference to the foregoing embodiment shown in FIG.
  • the communication between the network element and the terminal can flexibly utilize the currently available resources of the first cell.
  • the bandwidth of the currently available resource of the first cell may be based on the current communication status information.
  • the information is flexible and variable in the maximum bandwidth of the first cell, and the network element configures the first cell for the terminal by using the first unlicensed spectrum resource determined in the unlicensed frequency range, and the frequency range of the first unlicensed spectrum resource is flexible. Variable, enabling network elements and terminals to utilize unlicensed wireless resources flexibly, reasonably, and efficiently.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention concernent une méthode de commande pour l'utilisation d'une ressource radio, un appareil, un élément de réseau et un terminal. La méthode comprend les étapes suivantes : obtenir, par un élément de réseau, des informations d'état de communication actuel ; déterminer, par l'élément de réseau, une ressource disponible actuellement dans une première ressource de spectre non autorisé selon les informations d'état de communication actuel ; notifier, par l'élément de réseau, à un terminal la ressource disponible actuellement dans la première ressource de spectre non autorisé ; et communiquer, par l'élément de réseau, avec le terminal en utilisant la ressource disponible actuellement, la première ressource de spectre non autorisé étant utilisée pour configurer une première cellule pour le terminal, une bande passante de la ressource disponible actuellement n'étant pas supérieure à une bande passante maximale de la première cellule, et la bande passante maximale de la première cellule n'étant pas supérieure à une bande passante de la première ressource de spectre non autorisé. Grâce à la méthode de commande pour l'utilisation d'une ressource radio, l'appareil, l'élément de réseau et le terminal, une ressource de spectre non autorisé peut être utilisée de façon flexible.
PCT/CN2014/072395 2014-02-21 2014-02-21 Méthode de commande pour l'utilisation d'une ressource radio, appareil, élément de réseau et terminal WO2015123870A1 (fr)

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CN201910486750.7A CN110312261B (zh) 2014-02-21 2014-02-21 使用无线资源的控制方法、装置、网元及终端
PCT/CN2014/072395 WO2015123870A1 (fr) 2014-02-21 2014-02-21 Méthode de commande pour l'utilisation d'une ressource radio, appareil, élément de réseau et terminal
CN201480001028.5A CN105122859B (zh) 2014-02-21 2014-02-21 使用无线资源的控制方法、装置、网元及终端

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