WO2014101148A1 - 小区频带管理装置、系统及方法 - Google Patents

小区频带管理装置、系统及方法 Download PDF

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Publication number
WO2014101148A1
WO2014101148A1 PCT/CN2012/087927 CN2012087927W WO2014101148A1 WO 2014101148 A1 WO2014101148 A1 WO 2014101148A1 CN 2012087927 W CN2012087927 W CN 2012087927W WO 2014101148 A1 WO2014101148 A1 WO 2014101148A1
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WO
WIPO (PCT)
Prior art keywords
frequency band
cell
information
band
available
Prior art date
Application number
PCT/CN2012/087927
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English (en)
French (fr)
Inventor
李靖
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 PCT/CN2012/087927 priority Critical patent/WO2014101148A1/zh
Priority to CN201280027926.9A priority patent/CN103703820B/zh
Publication of WO2014101148A1 publication Critical patent/WO2014101148A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a cell band management apparatus, system, and method. Background technique
  • Embodiments of the present invention provide a cell band management apparatus, system, and method to improve cell management flexibility.
  • an embodiment of the present invention provides a cell band management method, where an access network side of a cell stores frequency band information of the cell, where the frequency band information includes all frequency bands allowed by the cell and status information of each frequency band.
  • the status information includes whether it is available, and the method includes: detecting whether a current frequency band of the cell is available;
  • the selected target frequency band is configured to the cell.
  • the method further includes:
  • the method further includes:
  • Configuring the selected target frequency band to the cell includes:
  • the status information further includes a usage priority.
  • a fourth possible implementation manner when the current frequency band of the cell is unavailable, the frequency band information of the cell is queried, and the status information is available.
  • Select the target frequency band in the frequency band including:
  • the frequency band with the highest priority is selected from the frequency band in which the status information is available as the target frequency band.
  • the method further includes:
  • the target frequency band is selected from the replaceable frequency band, wherein the status information of the replaceable frequency band is available and the use priority is higher than the current frequency band of the cell. Use priority.
  • the method further includes:
  • the frequency band information of the cell is updated.
  • the status information further includes whether the information of the frequency band of the cell is updated, and the method includes:
  • the frequency band information of the cell is updated according to the result of the availability detection.
  • the status information further includes whether it is used by another cell
  • the updating the frequency band information of the cell further includes:
  • the frequency band information of the cell is updated according to frequency band information currently used by a neighboring cell of the cell.
  • the updating the frequency band information of the cell further includes:
  • an embodiment of the present invention provides a cell band management apparatus, including: a storage unit that stores frequency band information of a cell, where the frequency band information includes all frequency bands used by the cell and status information of each frequency band, where The status information includes whether it is available; the detecting unit is configured to detect whether a current frequency band of the cell is available;
  • a selecting unit configured to query frequency band information of the small area when the detection result of the detecting unit is unavailable, and select a target frequency band from the available frequency bands;
  • a configuration unit configured to configure the selected target frequency band to the cell.
  • the apparatus further includes:
  • a cell management unit configured to: when the detection result of the detecting unit is unavailable, cause the cell to enter an initial established state.
  • the detecting unit is further configured to:
  • the configuration unit is configured to configure the target frequency band to the cell when the target frequency band is available;
  • the cell management unit is further configured to enter the cell into a normal working state.
  • the status information further includes a usage priority.
  • the selecting unit selects a target frequency band from the available frequency bands, including:
  • the frequency band with the highest priority is selected from the frequency band in which the status information is available as the target frequency band.
  • the selecting unit is further configured to:
  • the target frequency band is selected from the replaceable frequency band, wherein the status information of the replaceable frequency band is available and the use priority is higher than the current frequency band of the cell. Use priority.
  • the apparatus further includes: And an updating unit, configured to update frequency band information of the cell.
  • the status information further includes whether the device is detectable, and the device further includes:
  • An out-of-band detecting unit configured to perform, for the availability detection, status information outside the current frequency band of the cell in the frequency band information of the cell as a detectable frequency band;
  • the updating unit is further configured to update the frequency band information of the cell according to the result of the availability detection.
  • the status information further includes whether it is used by another cell
  • the updating unit is further configured to:
  • the frequency band information of the cell is updated according to frequency band information currently used by a neighboring cell of the cell.
  • the updating unit is further configured to:
  • the frequency band information of the cell is updated according to a target policy.
  • an embodiment of the present invention provides a cell band management apparatus, including: a memory, a frequency band information of a storage cell, where the frequency band information includes all frequency bands used by the cell and status information of each frequency band,
  • the status information includes whether or not the processor is connected to the memory, and is configured to perform an operation according to any one of the foregoing methods according to the frequency band information of the cell stored by the memory.
  • the embodiment of the present invention provides a cell band management system, including: the cell band management apparatus according to any one of the preceding claims.
  • the system further includes: a network band management apparatus, configured to configure, to the cell band management apparatus, a frequency band range or a target policy that is allowed to be used.
  • an embodiment of the present invention provides a computer program product, comprising a computer readable medium, the computer readable medium comprising a set of program code for performing the operations of any of the above methods.
  • the cell band management apparatus, system and method provided by the embodiments of the present invention store frequency band information of a cell, detect whether a current frequency band of the cell is available, and when the current frequency band of the cell is unavailable, check The frequency band information is selected to select a target frequency band from the available frequency bands, and the target frequency band is configured to the cell, wherein the frequency band information includes all frequency bands allowed for the cell and status information of each frequency band, and the status information includes availability.
  • the frequency band information of the cell covered by the access network side is maintained on the access network side of the wireless network, and the cell covered by the access network side includes one or more, each The frequency band information of the cell includes all frequency bands used by the cell and status information of each frequency band, and then the frequency band of each cell is dynamically managed by using the frequency band information, and the static management of the existing cell frequency band is performed, thereby improving the flexibility of cell management. . DRAWINGS
  • FIG. 1 is a schematic structural diagram of a cell band management apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a cell band management method according to Embodiment 2 of the present invention
  • FIG. 3 is a cell band management according to Embodiment 3 of the present invention
  • FIG. 4 is a flowchart of a method for managing a cell band according to Embodiment 4 of the present invention
  • FIG. 5 is a flowchart of a method for managing a cell band according to Embodiment 5 of the present invention
  • FIG. 7 is a schematic structural diagram of a cell band management apparatus according to Embodiment 7 of the present invention
  • FIG. 1 is a schematic structural diagram of a cell band management apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a cell band management method according to Embodiment 2 of the present invention
  • FIG. 3 is a cell band management according to Embodiment 3 of the present invention
  • FIG. 8 is a flowchart of a method for managing a cell band according to Embodiment 8 of the present invention
  • FIG. 10 is a schematic structural diagram of a cell band management apparatus according to Embodiment 11 of the present invention
  • FIG. 11 is a cell band management apparatus according to Embodiment 12 of the present invention
  • FIG. 12 is a schematic structural diagram of a cell band management apparatus according to Embodiment 13 of the present invention
  • FIG 13 is a flowchart of a cell management method provided by the embodiment of the band fourteen embodiment of the present invention.
  • the embodiment of the present invention considers the disadvantages of static management of cells in the existing wireless network, and proposes a scheme for dynamic management of the small area.
  • the access network side of the wireless network maintains the frequency band information of the cell covered by the access network side, and the cell covered by the access network side includes one or more frequency band information of each cell. It includes all frequency bands allowed by the cell and status information of each frequency band, and then uses the frequency band information to dynamically manage the frequency band of each cell, and the static management of the existing cell frequency band improves the flexibility of cell management.
  • FIG. 1 is a schematic structural diagram of a cell band management apparatus according to Embodiment 1 of the present invention.
  • the device is located on the access network side and can be implemented through existing access network devices or separately.
  • it can be implemented by a base station in various communication systems, such as a Base Transceiver Station (BTS), a Node B (Node B), an evolved Node B (eNB or eNodeB), or the like; Radio Network Controller (RNC) in the Base Station Controller (BSC) in the Global System for Mobile Communications (GSM) or the Universal Mobile Telecommunications System (UMTS) Implementation, the invention does not impose any restrictions.
  • BTS Base Transceiver Station
  • Node B Node B
  • eNB or eNodeB evolved Node B
  • RNC Radio Network Controller
  • BSC Base Station Controller
  • GSM Global System for Mobile Communications
  • UMTS Universal Mobile Telecommunications System
  • the cell band management apparatus 100 includes a memory 110 and a processor 120 coupled thereto.
  • the memory 1 10 stores the frequency band information of the cell covered by the access network side of the device 100, and the cell covered by the access network side of the device 100 includes one or more, and the frequency band information of each cell includes the permission. All frequency bands used by the cell and status information for each frequency band.
  • the processor 120 is configured to maintain frequency band information of each cell stored in the memory 110 and dynamically manage the frequency band of each cell by using the frequency band information, and the static management of the existing cell frequency band improves the flexibility of cell management.
  • the second embodiment of the present invention further provides a cell band management method, where the frequency band information of the cell is maintained on the access network side of the cell, and the frequency band information includes all frequency bands that are allowed to be used by the cell, and Status information for each band.
  • FIG. 2 is a flowchart of a method for managing a cell band according to Embodiment 2 of the present invention, where the method includes the following Steps:
  • S210 Dynamically manage a frequency band of the cell according to the frequency band information of the cell.
  • S220 Update frequency band information of the cell.
  • the execution time of the S220 There is no limitation on the execution time of the S220.
  • the frequency band used by the cell is allowed to change, or the state of the frequency band changes, the frequency band information of the cell can be updated.
  • the detection trigger condition may also be set. When the detection trigger condition is met, the detection is triggered to determine whether the state of the frequency band changes to update the frequency band information of the cell.
  • the detection trigger condition may be a time condition, such as a period; or an event trigger, for example, triggering detection of other frequency band states when the current frequency band of the cell is unavailable, and the present invention does not impose any limitation.
  • the frequency band information in the initial stage of cell establishment may be configured by the upper management entity to the access network side, or may be pre-stored on the access network side.
  • FIG. 3 is a schematic structural diagram of a cell band management system according to Embodiment 3 of the present invention.
  • the cell band management system 1000 includes a network band management device 300 in addition to the cell band management device 100 shown in FIG.
  • the network band management device 300 and the cell band management device 100 are connected by an interconnection channel such as Hypertext Transfer Protocol Secure (HTTPS), File Transfer Protocol (FTPS), or the like.
  • HTTPS Hypertext Transfer Protocol Secure
  • FTPS File Transfer Protocol
  • the network band management apparatus 300 is configured to configure a frequency band range that each base station of the wireless network is allowed to use, so that each base station can allocate a frequency band according to the base station.
  • the network band management device 300 can also configure a target policy for band usage to each base station.
  • the network band management device 300 can be implemented by an Operation Administration and Maintenance (OAM) center.
  • OAM Operation Administration and Maintenance
  • the target strategy is a basis for updating the band information. For example, in order to reduce inter-cell interference, an allowable frequency band outside the current frequency band of other cells may be used for detection, and preferably such a frequency band is an available frequency band; in order to maximize frequency band multiplexing, other cells may be selected for detection.
  • the detectable priority of the frequency band in which the collision history is not detected may be identified as a higher priority, or the earlier frequency band of the conflicted time may be identified as a higher priority;
  • Business continuity the usable priority of the previously conflicting frequency band can be identified as low priority, and vice versa as high priority, in order to protect The continuity of the certificate service determines the number of minimum frequency bands that the cell needs to be available at the same time.
  • the network band management device 300 may be provided in each wireless network, and the network band management device 300 of each wireless network is interconnected to implement integrated band management of a plurality of wireless networks.
  • the frequency band configuration of the cell of the base station may also be centrally configured by the network band management device 300.
  • the frequency band information of the cell can also be placed in the network band management device 300 for unified storage, and sent to the access network side when needed.
  • the embodiment of the invention does not impose any limitation.
  • the access network side may also preset the frequency band information of the cell to the local area, and update the frequency band information of the cell by using information exchange between the access network side devices.
  • the network band management device 300 may not be provided.
  • a base station exchanges information of a current frequency band used by a cell with another base station through an X2 or S1 interface, thereby updating cell band information of the base station.
  • the status information of the frequency band may further include an identifier used by other cells, geographical location information, etc., and the identifier is updated according to the above information interaction.
  • the frequency band allocation of the cells of the base station may be allocated by the frequency band management apparatus 300 having the higher frequency band use priority to the frequency band management apparatus 300 having the lower priority of the other frequency bands.
  • a cell managed by the band management device 300 having a lower priority is allocated to the frequency band.
  • the band management device 300 in which the frequency band of the network to which the network belongs is a military band can transmit the free band used by the other band management device 300 to the band management device 300 whose frequency band is the civil band of the network to be used, so that the band having the lower priority is used.
  • the management device 300 configures a frequency band for the cell under jurisdiction based on the received frequency band information.
  • FIG. 4 is a flowchart of a method for managing a cell band according to Embodiment 4 of the present invention.
  • the access network side of the cell stores the frequency band information of the cell, and the frequency band information includes all frequency bands allowed by the cell and status information of each frequency band, and the status information includes availability.
  • the method includes the following steps:
  • S410 Detect whether a current frequency band of the cell is available.
  • the cell can be re-assigned other available frequency bands to implement dynamic management of the cell.
  • detecting whether the current frequency band of the cell is available is the current frequency band of the cell.
  • An availability check that can be detected for conflicts. For example, detecting whether a frequency band currently used by a cell is occupied by high-end services such as weather radar, military radar, and satellite communication causes a frequency band collision. When it is detected that the current frequency band has a conflict, it is judged that the current frequency band is unavailable. At this point, the cell can enter the initial setup state and wait for the allocated band resources.
  • the initial setup state means that the hardware and software resources required for the normal operation of the cell in addition to the band resources are ready. Therefore, when the cell is in the initial setup state, the cell is waiting for available band resources.
  • the cell Once the cell obtains the available frequency band, it enters the cell activation state, that is, the cell can transmit power and enter a normal working state.
  • the cell can also enter the initial establishment state to wait for the frequency band resource.
  • the target frequency band is selected from the available frequency bands by querying the frequency band information of the cell; and the target frequency band is configured to the cell, so that the cell re-enters the normal working state.
  • FIG. 5 is a flowchart of a cell band management method according to Embodiment 5 of the present invention. As shown in FIG. 5, the cell band management method in this embodiment includes:
  • S410 Detect whether a current frequency band of the cell is available.
  • the cell entering the initial setup state may be performed before the target frequency band is selected, or may be performed simultaneously with the selection of the target frequency band, and the present invention does not impose any limitation.
  • the available frequency band can be directly selected as the target frequency band.
  • the status information is a plurality of available frequency bands, it may be selected according to a certain strategy. For example, it is also possible to set the use priority in the status information, thereby selecting the band having the highest priority from the status information as the target band based on the use priority. Of course, it is also possible not to set the use priority, and arbitrarily select one frequency band from the status information as the target frequency band.
  • the invention is not limited in any way.
  • the 5GHZ band is mainly used for high-end services such as weather radar, military radar and satellite communications.
  • the wireless network needs to support the Dynamic Frequency Selection (DFS) function when using the 5GHZ band, that is, when detecting radar, etc.
  • DFS Dynamic Frequency Selection
  • the wireless network stops using the frequency band.
  • Wi-Fi standard 802.11-based wireless local area networks
  • Wi-MAX standard 802.16-based wireless metropolitan area networks
  • the cell frequencies are statically planned. Selecting the frequency band directly through DFS will cause serious inter-cell interference, low spectrum utilization, and even service interruption. Through the above method, the dynamic allocation of the cell frequency band can be realized, which is an important basis for the existing cellular wireless communication system to support DFS.
  • the methods shown in Figures 4 and 5 can be implemented by existing access network devices or by separate cell management devices.
  • it can be implemented by a base station in various communication systems; it can also be implemented by BSC in GSM or RNC in UMTS, and the present invention does not impose any limitation.
  • FIG. 6 is a schematic structural diagram of a cell band management apparatus according to Embodiment 6 of the present invention.
  • the cell band management apparatus 600 includes a storage unit 610, a detecting unit 620, a selecting unit 630, and a configuration unit 640.
  • the storage unit 610 stores the frequency band information of the cell, and the frequency band information includes all frequency bands that are allowed to be used by the cell and status information of each frequency band, and the status information includes whether the information is available.
  • the detecting unit 620 is configured to detect whether the current frequency band of the cell is available.
  • the selecting unit 630 is configured to: when the detection result of the detecting unit 620 is unavailable, query the frequency band information of the cell, and select the target frequency band from the available frequency band; the configuration unit 640 is configured to configure the target frequency band to the cell.
  • the device 600 can be implemented by the structure of the device 100 of Fig. 1.
  • the storage unit 610 may be disposed on the memory 110 independent of the processor 120, or may be a storage area disposed in the processor 120.
  • the detecting unit 620 may be a detecting circuit that is independent of the processor 120, or may be embedded in the processor 120; of course, it may also be stored in the storage area of the processor 120 in software, so that the processor 120 calls the execution detecting unit 620.
  • the present invention does not impose any limitation on the corresponding operation.
  • the implementation of the selection unit 630 and the configuration unit 640 is similar to the implementation of the detection unit 620, and details are not described herein again.
  • the detecting unit 620, the selecting unit 630, and the configuring unit 640 are invoked by the processor 120 in a software manner, or embedded in the processor in a hardware manner.
  • the memory 110 stores frequency band information of a cell, the frequency band information includes all frequency bands allowed for use by the cell, and status information of each frequency band, and the status information includes availability.
  • the processor 120 is coupled to the memory 110 for performing the following operations: Detecting whether the current frequency band of the cell is available;
  • the frequency band information of the cell is queried, and the target frequency band is selected from the available frequency bands;
  • the target frequency band is configured to the cell.
  • FIG. 7 is a schematic structural diagram of a cell band management apparatus according to Embodiment 7 of the present invention.
  • the detecting unit 620 is a detecting circuit 130 that is independent of the processor 120.
  • the selecting unit 630 and the configuration unit 640 are invoked by the processor 120 in a software manner, or Embedded in the processor in hardware.
  • the memory 1 10 stores frequency band information of a cell, the frequency band information includes all frequency bands allowed for use by the cell, and status information of each frequency band, and the status information includes availability.
  • the processor 120 is coupled to the memory 110 and the detection circuit 130, respectively.
  • the detecting circuit 130 is configured to detect whether the current frequency band of the cell is available. When the current frequency band of the cell is unavailable, the detecting circuit 130 notifies the processor 120, so that the processor 120 queries the frequency band information of the cell, and selects the state information as the available frequency band.
  • the target frequency band and the target frequency band is allocated to the cell.
  • the configuration unit 640 can also be independent of the processor 120, as opposed to the map.
  • processor 120 provides the selected target frequency band to configuration unit 640 so that configuration unit 640 configures the target frequency band to the cell.
  • FIG. 8 is a flowchart of a method for managing a cell band according to Embodiment 8 of the present invention.
  • the cell band is replaced if the cell has a better available frequency band.
  • the method includes the following steps:
  • S810 Detect whether a current frequency band of the cell is available.
  • S820 When the current frequency band of the cell is available, and the replaceable frequency band is present, the replaceable frequency band is used as the target frequency band or the frequency band with the highest priority is selected as the target frequency band, wherein the status information of the replaceable frequency band is available. And the use priority is higher than the use priority of the current frequency band of the cell;
  • S830 Configure the target frequency band to the cell. It can be seen that, in this embodiment, the status information of each frequency band further includes a usage priority.
  • the replaceable frequency band when the replaceable frequency band is one, the frequency band is directly selected as the target frequency band.
  • the frequency band with the highest priority may be selected as the target frequency band; of course, one may be arbitrarily selected, and the present invention does not impose any limitation.
  • the reason for replacing the frequency band for example, the current frequency band of the cell is not available, the cell has a better available frequency band, etc., may be used at the same time, or only one of them may be used, and the present invention does not impose any limitation.
  • FIG. 9 is a flowchart of a method for managing a cell band according to Embodiment 9 of the present invention.
  • the state of the target frequency band is still available in the process of configuring the target frequency band to the cell before the cell band information is last updated.
  • the cell band management method of this embodiment may further include: performing initial channel availability detection on the target frequency band. As shown in FIG. 9, the method includes the following steps:
  • S910 Detect whether a current frequency band of the cell is available.
  • S930 Perform availability detection on the selected target frequency band
  • the cell is activated, that is, the cell is put into a normal working state.
  • the target frequency band may be directly configured to the cell, and when the cell works normally, when the frequency band of the current channel being used is detected to detect that the frequency band is unavailable (for example, there is a conflict), Then, the steps shown in FIG. 4 are repeated, and the frequency band of the cell is replaced again.
  • Embodiment 10 of the present invention whether the current frequency band of the detected cells of the above S410, S810, and S910 is available may be implemented by In-Service Monitoring of the current channel being used.
  • the availability detection of the selected target frequency band in S930 above can be implemented by using an initial Channel Availability Check (CAC).
  • CAC Channel Availability Check
  • the two detection steps can be implemented by using the same detection unit 620, but the detection time is different.
  • the initial channel availability detection is used to perform availability detection on the selected cell frequency band in the initial setup state of the cell; the availability detection of the current channel being used is used to perform availability detection on the current frequency band of the cell when the cell is in a normal working state.
  • the above two detection steps can also be implemented by different detection units, which perform the two detections respectively in different states of the cell.
  • the availability detection of the selected target frequency band in S930 above is implemented by the initial detection unit 620 independent of the detecting unit 620.
  • the tenth embodiment of the present invention may be combined with any other embodiment of the present invention, that is, those skilled in the art may combine the detection method in the tenth embodiment with any method embodiment to obtain more embodiments, or may implement The detection unit of Example 10 is combined with any of the device embodiments to obtain further embodiments.
  • FIG. 10 is a schematic structural diagram of a cell band management apparatus according to Embodiment 11 of the present invention.
  • the cell band management apparatus 600 of the present invention further includes: a cell management unit 650, configured to activate or deactivate a cell, that is, to configure the cell to an initial setup state or a normal working state.
  • the cell management unit 650 may be separately or independently embedded in the processor; or may be stored in the storage area of the processor in software, so that the processor invokes the operation corresponding to the cell management unit 650. It may also be stored in a storage area outside the processor in software, so that the processor invokes the operation corresponding to the execution of the cell management unit 650, and the present invention does not impose any limitation.
  • the cell management unit 650 may be integrated with the configuration unit 640, or may be separately set, and the present invention does not impose any limitation.
  • the eleventh embodiment of the present invention can be combined with any other embodiment of the present invention, that is, those skilled in the art can combine the detection method in the eleventh embodiment with any method embodiment to obtain more embodiments, or The cell management unit in the eleventh embodiment is combined with any device embodiment to obtain more embodiments.
  • the cell band management method further includes: updating frequency band information of the cell.
  • FIG. 11 is a schematic structural diagram of a cell band management apparatus according to Embodiment 12 of the present invention.
  • the cell band management apparatus 600 further includes an updating unit 660, configured to update frequency band information of the cell.
  • the updating unit 660 may be separately set independently of the processor, or may be embedded in the processor; of course, it may also be stored in the storage area of the processor in software, so as to be
  • the operation corresponding to the execution of the update unit 660 may also be stored in a storage area outside the processor in the form of software, so that the processor invokes the operation corresponding to the execution update unit 660, and the present invention does not impose any limitation.
  • the steps between this step and any of the above method embodiments are not limited in sequence, and may be performed at any time during the process of cell band management, and the basis of the update may also include multiple types: for example, the current cell may be The frequency bands outside the frequency band are subjected to availability detection (e.g., off-channel CAC) to provide an alternate available frequency band.
  • availability detection e.g., off-channel CAC
  • the status information in the frequency band information of the cell further includes whether it is detectable.
  • the frequency band management method of the cell further includes: performing availability detection on the status information outside the current frequency band of the cell for the detectable frequency band; and updating the frequency band information of the cell by using the result of the availability detection.
  • the detectable frequency bands are Band 1, Band 2, and Band 3, wherein Band 2 is the current band, and in addition to the availability detection of whether or not the band 2 is occupied, the availability detection of Band 1 and Band 3 may be performed. And when the availability detection results of Band 1 and Band 3 are available, the status information of Bands 1 and 3 is updated to be usable as an alternative band.
  • Embodiment 12 of the present invention may be combined with any other embodiment of the present invention, that is, those skilled in the art may combine the update process in Embodiment 12 with any method embodiment to obtain more embodiments, or may The update unit of the twelfth embodiment is combined with any of the device embodiments to obtain further embodiments.
  • FIG. 12 is a schematic structural diagram of a cell band management apparatus according to Embodiment 13 of the present invention.
  • the cell band management apparatus 600 further includes an out-of-band detecting unit 670 for performing availability detection on a frequency band outside the current frequency band of the cell by the out-of-band detecting unit 670 to provide an alternate available frequency band.
  • the out-of-band detecting unit 670 is separately configured separately from the above detecting unit 620. It can also be implemented by using the above detecting unit 620. When implemented by the detecting unit 620, it is required to configure the detecting unit 620 to be detected at different time periods. Frequency band.
  • the configuration unit 640 may configure the to-be-detected frequency band for the detecting unit 620 and the out-of-band detecting unit 670 according to the frequency band information of the cell.
  • the updating unit 660 may further update the frequency band information of the cell according to the frequency band information currently used by the neighboring cell of the cell.
  • the frequency band information currently used by the neighboring cell can be obtained by information interaction between the access network side device (for example, the base station) of the local cell and other access network side devices. It can also be obtained from other access network side devices through 0 AM.
  • the update can also be performed on the OAM side and then sent to the access network side device.
  • the update unit 660 can also update the frequency band information of the cell according to the target policy.
  • the target policy is the main basis for the cell band management device to mark the band attribute or select the current band. For example, in order to reduce inter-cell interference, an allowable frequency band outside the current frequency band of other cells may be used for detection, and preferably such a frequency band is an available frequency band; in order to maximize frequency band multiplexing, other cells may be selected for detection.
  • the detectable priority of the frequency band without detecting the collision history may be identified as a higher priority, or the earlier frequency band of the conflicted time may be identified as a higher priority; Continuity, the available priority of the previously conflicting frequency band can be identified as a low priority, and vice versa as a high priority.
  • the number of minimum frequency bands that the cell needs to be available at the same time is determined.
  • the thirteenth embodiment of the present invention can be combined with any other embodiment of the present invention, that is, those skilled in the art can combine the updating method in the thirteenth embodiment with any method embodiment to obtain more embodiments, or
  • the out-of-band detection unit of the thirteenth embodiment is combined with any of the device embodiments to obtain further embodiments.
  • the frequency band information of the cell may be a band attribute list. All frequency bands that will be allowed to be used by the cell and status information for each frequency band are presented in a list. Of course, it can also be presented in other ways, and the invention is not limited in any way.
  • the frequency band information of the cell may include one or more of the following information: whether it is detectable, a detectable priority, whether it is usable, a usable priority, a reason for not being usable, whether it needs to be replaced, or whether there is a conflict, Whether it has been used, the time of the last use, whether it is used by other cells, and the available time interval. For example, when it is detected that the current frequency band of the cell is unavailable, it is possible to update whether the state identifier needs to be replaced or whether there is a conflict, thereby determining whether the cell frequency band needs to be replaced by querying the frequency band information of the cell. Of course, the information may not be set.
  • the cell band replacement is directly triggered. For example, during the use of the frequency band, if the current frequency band detects a collision, the marked frequency band is unavailable and the collision time is marked, and at a set time (for example, 6 minutes, for example only, those skilled in the art can After setting), re-marking the band is detectable, triggering the availability of the CAC or Off-Channel C AC detection band.
  • FIG. 13 is a flowchart of a method for managing a cell band according to Embodiment 14 of the present invention.
  • a process of cell establishment is illustrated.
  • the execution entity of the method is a cell.
  • the band management device is located on the access network side and can be implemented by an existing access network device or separately. The following is a detailed description of the present invention by using the existing access network device as a cell band management device. Specifically, the method includes the following steps:
  • S131 Acquire frequency band information of the cell, where the frequency band information includes all frequency bands allowed by the cell and status information of each frequency band.
  • S132 Query frequency band information of the cell, select state information as an available frequency band, and allocate the frequency band to the small area;
  • S133 Activate the cell, that is, bring the cell into a normal working state.
  • the access network device may acquire the frequency band information of the cell from the OAM, or may establish an initial cell frequency band information according to the frequency band range of the OAM configuration to the access network device.
  • the method may further include:
  • the detectable information and the detectable priority information of each frequency band of the frequency band information are set, and when used, they are sequentially allocated to the respective cells. For example, according to the target policy issued by the OAM, the frequency bands 1 to 10 are set, the frequency bands 1 to 5 are detectable, and the detectable priorities are sequentially decreased.
  • the availability check is performed on Band 1, and if Band 1 is available, it is configured to Cell 1. Then, for Band 2, the availability check (e.g., initial channel availability detection), if Band 2 is not available, reselect Band 3 for availability detection, and if Band 3 is available, configure it to Cell 2.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium may include RAM, ROM, EEPROM, A CD-ROM or other optical disc storage, magnetic storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of an instruction or data structure and that can be accessed by a computer.
  • any connection may suitably be a computer readable medium.
  • a disk and a disc include a compact disc (CD), a laser disc, a disc, a digital versatile disc (DVD), a floppy disc, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

Abstract

本发明实施例提供一种小区频带管理装置、系统及方法。该方法包括:存储小区的频带信息,频带信息包括允许小区使用的所有频带以及每个频带的状态信息,状态信息包括该频带是否可用;检测小区的当前频带是否可用(S410);当小区的当前频带不可用时,查询小区的频带信息,从状态信息为可用的频带中选取目标频带(S420);将目标频带配置给小区(S430)。本实施例提供的小区频带管理方法,在无线网络的接入网侧维护一个该接入网侧所覆盖的小区的频带信息,且接入网侧所覆盖的小区包括一个或多个,每个小区的频带信息包括允许该小区使用的所有频带以及每个频带的状态信息,进而利用这些频带信息对每个小区的频带进行动态管理,相对现有小区频带静态管理,提高了小区管理的灵活性。

Description

小区频带管理装置、 系统及方法
技术领域 本发明实施例涉及无线通信技术领域,尤其涉及一种小区频带管理装置、 系统及方法。 背景技术
目前, 在无线通信系统中, 小区都是静态规划的。 也就是说, 小区建立 好以后, 其频带是静态的, 即固定不变的。 当需要更改现有小区的频带时, 需要删除现有小区, 重新配置一个新小区并激活, 不利于小区的灵活管理。 发明内容
本发明实施例提供一种小区频带管理装置、 系统及方法, 以提高小区管 理的灵活性。
第一个方面,本发明实施例提供一种小区频带管理方法, 小区的接入网 侧存储该小区的频带信息, 所述频带信息包括允许所述小区使用的所有频 带以及每个频带的状态信息,所述状态信息包括是否可用,所述方法包括: 检测所述小区的当前频带是否可用;
当所述小区的当前频带不可用时, 查询所述小区的频带信息, 从状态 信息为可用的频带中选取目标频带;
将所选取的目标频带配置给所述小区。
在第一个方面的第一种可能的实现方式中, 所述检测所述小区的当前 频带是否可用之后, 还包括:
当所述小区的当前频带不可用时, 使所述小区进入初始建立状态。 结合第一个方面的第一种可能的实现方式, 在第二种可能的实现方式 中, 将所选取的目标频带配置给所述小区之前, 还包括:
对所述目标频带进行可用性检测;
将所选取的目标频带配置给所述小区, 包括:
当所述目标频带可用时, 将所述目标频带配置给所述小区, 以使所述 小区进入正常工作状态。
结合第一个方面、 或第一个方面的第一种及第二种可能的实现方式之 一, 在第三种可能的实现方式中, 所述状态信息还包括使用优先级。
结合第一个方面的第三种可能的实现方式, 在第四种可能的实现方式 中, 所述当所述小区的当前频带不可用时, 查询所述小区的频带信息, 从 状态信息为可用的频带中选取目标频带, 包括:
从状态信息为可用的频带中选取使用优先级最高的频带作为所述目 标频带。
结合第一个方面的第三种及第四种可能的实现方式之一, 在五种可能 的实现方式中, 该方法还包括:
当所述小区的当前频带可用, 且存在可更换频带时, 从所述可更换频 带中选取目标频带, 其中, 所述可更换频带的状态信息为可用且使用优先 级高于所述小区当前频带的使用优先级。
结合第一个方面或第一个方面的第一种至第五种可能的实现方式之 一, 在第六种可能的实现方式中, 该方法还包括:
更新所述小区的频带信息。
结合第一个方面的第六种可能的实现方式, 在第七种可能的实现方式 中, 所述状态信息还包括是否可检测, 所述更新所述小区的频带信息, 包 括:
对所述小区的频带信息中所述小区的当前频带之外的状态信息为可 检测的频带进行可用性检测;
根据所述可用性检测的结果更新所述小区的频带信息。
结合第一个方面的第六种及第七种可能的实现方式之一, 在第八种可 能的实现方式中, 所述状态信息还包括是否被其它小区使用;
所述更新所述小区的频带信息, 还包括:
根据所述小区的相邻小区当前使用的频带信息更新所述小区的频带 信息。
结合第一个方面的第六种至第八种可能的实现方式之一, 在第九种可 能的实现方式中, 所述更新所述小区的频带信息, 还包括:
根据目标策略, 更新所述小区的频带信息。 第二个方面, 本发明实施例提供一种小区频带管理装置, 包括: 存储单元, 存储小区的频带信息, 所述频带信息包括允许所述小区使 用的所有频带以及每个频带的状态信息, 所述状态信息包括是否可用; 检测单元, 用于检测所述小区的当前频带是否可用;
选取单元, 用于当所述检测单元的检测结果为不可用时, 查询所述小 区的频带信息, 从状态信息为可用的频带中选取目标频带;
配置单元, 用于将所选取的目标频带配置给所述小区。
在第二个方面的第一种可能的实现方式中, 该装置还包括:
小区管理单元, 用于当所述检测单元的检测结果为不可用时, 使所述 小区进入初始建立状态。
结合第二个方面的第一种可能的实现方式, 在第二种可能的实现方式 中, 所述检测单元还用于:
在将所选取的目标频带配置给所述小区之前, 对所述目标频带进行可 用性检测;
所述配置单元用于当所述目标频带可用时, 将所述目标频带配置给所 述小区;
所述小区管理单元还用于使所述小区进入正常工作状态。
结合第二个方面、 或第二个方面的第一种及第二种可能的实现方式之 一, 在第三种可能的实现方式中, 所述状态信息还包括使用优先级。
结合第二个方面的第三种可能的实现方式, 在第四种可能的实现方式 中, 所述选取单元从状态信息为可用的频带中选取目标频带, 包括:
从状态信息为可用的频带中选取使用优先级最高的频带作为所述目 标频带。
结合第二个方面的第三种及第四种可能的实现方式之一, 在第五种可 能的实现方式中, 所述选取单元还用于:
当所述小区的当前频带可用, 且存在可更换频带时, 从所述可更换频 带中选取目标频带, 其中, 所述可更换频带的状态信息为可用且使用优先 级高于所述小区当前频带的使用优先级。
结合第二个方面或第二个方面的第一种至第五种可能的实现方式之 一, 在第六种可能的实现方式中, 该装置还包括: 更新单元, 用于更新所述小区的频带信息。
结合第二个方面的第六种可能的实现方式, 在第七种可能的实现方式 中, 所述状态信息还包括是否可检测, 所述装置还包括:
带外检测单元, 用于对所述小区的频带信息中所述小区的当前频带之 外的状态信息为可检测的频带进行可用性检测;
所述更新单元还用于根据所述可用性检测的结果更新所述小区的频 带信息。
结合第二个方面的第六种及第七种可能的实现方式之一, 在第八种可 能的实现方式中, 所述状态信息还包括是否被其它小区使用, 所述更新单 元还用于:
根据所述小区的相邻小区当前使用的频带信息更新所述小区的频带 信息。
结合第二个方面的第六种至第八种可能的实现方式之一, 在第九种可 能的实现方式中, 所述更新单元还用于:
根据目标策略, 更新所述小区的频带信息。
第三个方面, 本发明实施例提供一种小区频带管理装置, 包括: 存储器, 存储小区的频带信息, 所述频带信息包括允许所述小区使用 的所有频带以及每个频带的状态信息, 所述状态信息包括是否可用; 处理器, 与所述存储器连接, 用于根据所述存储器存储的所述小区的 频带信息, 执行如上方法中任一所述的操作。
第四个方面, 本发明实施例提供一种小区频带管理系统, 包括: 如上 任一所述的小区频带管理装置。
在第四个方面的第一种可能的实现方式中, 该系统还包括: 网络频带管理装置, 用于向所述小区频带管理装置配置允许使用的频 带范围或目标策略。
第五个方面, 本发明实施例提供一种计算机程序产品, 包括计算机可 读介质, 所述计算机可读介质包括一组程序代码, 用于执行如上方法中任 一所述的操作。
本发明实施例提供的小区频带管理装置、 系统及方法, 存储小区的频 带信息, 检测小区的当前频带是否可用, 当小区的当前频带不可用时, 查 询频带信息以从状态信息为可用的频带中选取目标频带, 将目标频带配置 给小区, 其中, 频带信息包括允许小区使用的所有频带以及每个频带的状 态信息, 状态信息包括是否可用。 本实施例提供的小区频带管理方法, 在 无线网络的接入网侧维护一个该接入网侧所覆盖的小区的频带信息, 且接 入网侧所覆盖的小区包括一个或多个, 每个小区的频带信息包括允许该小 区使用的所有频带以及每个频带的状态信息, 进而利用这些频带信息对每 个小区的频带进行动态管理, 相对现有小区频带静态管理, 提高了小区管 理的灵活性。 附图说明
实施例或现有技术描述中所需要使用的附图作一简单地介绍, 显而易见 地, 下面描述中的附图是本发明的一些实施例, 对于本领域普通技术人员 来讲, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的 附图。
图 1为本发明实施例一提供的小区频带管理装置的结构示意图; 图 2为本发明实施例二提供的小区频带管理方法的流程图; 图 3为本发明实施例三所提供的小区频带管理系统的结构示意图; 图 4为本发明实施例四所提供的小区频带管理方法的流程图; 图 5为本发明实施例五所提供的小区频带管理方法的流程图; 图 6为本发明实施例六提供的小区频带管理装置的结构示意图; 图 7为本发明实施例七提供的小区频带管理装置的结构示意图; 图 8为本发明实施例八所提供的小区频带管理方法的流程图; 图 9为本发明实施例九提供的小区频带管理方法的流程图; 图 10为本发明实施例十一提供的小区频带管理装置的结构示意图; 图 1 1为本发明实施例十二提供的小区频带管理装置的结构示意图; 图 12为本发明实施例十三提供的小区频带管理装置的结构示意图; 图 13为本发明实施例十四提供的小区频带管理方法的流程图。
具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本 发明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描 述,显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有做出创造性劳动前提 下所获得的所有其他实施例, 都属于本发明保护的范围。
本发明实施例考虑到现有无线网络中小区静态管理的弊端, 提出了小 区动态管理的方案。 为了实现小区动态管理, 在无线网络的接入网侧维护 一个该接入网侧所覆盖的小区的频带信息, 且接入网侧所覆盖的小区包括 一个或多个, 每个小区的频带信息包括允许该小区使用的所有频带以及每 个频带的状态信息, 进而利用这些频带信息对每个小区的频带进行动态管 理, 相对现有小区频带静态管理, 提高了小区管理的灵活性。
图 1为本发明实施例一提供的小区频带管理装置的结构示意图。 该装 置位于接入网侧, 可以通过现有接入网设备实现,也可以单独设置。例如, 可以通过各种通信系统中的基站 ,如基站收发台( Base Transceiver Station, BTS ) 、 节点 B ( node B ) 、 演进型节点 B ( Evolutional Node B , eNB或 eNodeB )等实现;也可以通过全球移动通信系统( Global System for Mobile Communications, GSM ) 中的基站控制器 ( Base Station Controller, BSC ) 或通用移动通信系统 ( Universal Mobile Telecommunications System , UMTS ) 中的无线网络控制器 ( Radio Network Controller , RNC ) 实现, 本发明不做任何限制。
如图 1所示, 该小区频带管理装置 100包括存储器 110和与之连接的 处理器 120。 其中, 存储器 1 10存储有该装置 100所在接入网侧所覆盖的 小区的频带信息,且装置 100所在接入网侧所覆盖的小区包括一个或多个, 每个小区的频带信息包括允许该小区使用的所有频带以及每个频带的状 态信息。 处理器 120用于维护存储器 1 10所存储的每个小区的频带信息并 利用这些频带信息对每个小区的频带进行动态管理, 相对现有小区频带静 态管理, 提高了小区管理的灵活性。
相应于实施例一的小区频带管理装置, 本发明实施例二还提供一种小 区频带管理方法, 在小区的接入网侧维护该小区的频带信息, 频带信息包 括允许该小区使用的所有频带以及每个频带的状态信息。 请参考图 2, 图 2为本发明实施例二提供的小区频带管理方法的流程图, 该方法包括如下 步骤:
S210: 根据小区的频带信息, 对小区的频带进行动态管理。
在动态管理过程中、 之前或之后还可以包括:
S220: 更新小区的频带信息。
其中, 对于 S220的执行时间没有限制, 当允许该小区使用的频带发 生变化, 或者有频带的状态发生变化时, 便可以更新该小区的频带信息。 当然,也可以设置检测触发条件, 当满足这个检测触发条件时,触发检测, 从而判断频带的状态是否发生变化, 以更新小区的频带信息。 这个检测触 发条件可以是时间条件, 例如周期; 也可以是事件触发, 例如, 当小区当 前频带不可用时, 触发对其它频带状态的检测, 本发明不做任何限制。
需要说明的是, 小区建立初期的频带信息可以由上层管理实体配置给 接入网侧, 也可以预存于接入网侧。
例如, 请参考图 3 , 图 3为本发明实施例三所提供的小区频带管理系 统的结构示意图。 如图 3所示, 该小区频带管理系统 1000除包括图 1所 示的小区频带管理装置 100以外, 还包括网络频带管理装置 300。 网络频 带管理装置 300与小区频带管理装置 100通过互联通道, 如超文本传输安 全协议 ( Hypertext Transfer Protocol Secure, HTTPS )、文件传输协议 ( File Transfer Protocol, FTPS ) 等相连。 该网络频带管理装置 300用于配置无 线网络的各基站允许使用的频带范围, 从而每个基站便可以据此为其下的 小区分配频带。 另外, 网络频带管理装置 300还可以向各个基站配置频带 使用的目标策略。 比如, 业务连续优先、 单个频带的可使用时间间隔等, 从而可以根据该目标策略更新小区的频带信息。 该网络频带管理装置 300 可以通过操作管理和维护 ( Operation Administration and Maintenance , OAM ) 中心来实现。 目标策略, 是更新频带信息的一个依据。 例如, 为降 低小区间干扰, 可以优选其它小区当前频带之外的容许频带用于检测, 并 优选这类频带为可用频带; 为了最大限度的进行频带复用, 可以选取其它 小区当前频带用于检测; 为了保证检测到频带可用的概率, 则可以把没有 检测到冲突历史的频带的可检测优先级标识为较高优先级, 或者将已冲突 时刻较早的频带标识为较高优先级; 为了保证业务连续性, 可以将曾经冲 突的频带的可使用优先级标识为低优先级, 反之标识为高优先级, 为了保 证业务的连续性, 确定小区需要同时可用的最少频带的个数等。 另外, 可在每个无线网络中均设置网络频带管理装置 300 , 每个无线 网络的网络频带管理装置 300互连以实现多个无线网络的频带综合管理。
可选的, 基站的小区的频带配置也可以由网络频带管理装置 300集中 配置。 相应地、 小区的频带信息也可以放置在网络频带管理装置 300来统 一存储, 需要时下发给接入网侧。 本发明实施例不做任何限制。
可选的, 接入网侧也可以将小区的频带信息预设于本地, 通过接入网 侧设备之间的信息交换, 来更新小区的频带信息。 此时, 可以不用设置网 络频带管理装置 300。 例如, 在 LTE网络中, 基站通过 X2或 S 1接口与其 它基站进行小区当前使用频带的信息的交互, 从而更新本基站的小区频带 信息。例如,频带的状态信息可以进一步包括是否被其他小区使用的标识、 地理位置信息等, 根据以上信息交互, 更新该标识。
可选的, 多个无线网络的频带管理装置 300互联时, 基站的小区的频 带配置也可以由频带使用优先级高的频带管理装置 300为其他频带使用优 先级低的频带管理装置 300分配可用频带进而配置给该频带使用优先级低 的频带管理装置 300所管辖的小区。 例如, 所属网络的频带为军用频带的 频带管理装置 300可以将其允许其他频带管理装置 300使用的空闲频带发 送给所属网络的频带为民用频带的频带管理装置 300 , 使得该使用优先级 低的频带管理装置 300根据接收到的频带信息为所管辖的小区配置频带。
图 4为本发明实施例四所提供的小区频带管理方法的流程图。 其中, 小区的接入网侧存储该小区的频带信息, 频带信息包括允许该小区使用的 所有频带以及每个频带的状态信息,状态信息包括是否可用。如图 4所示, 该方法包括如下步骤:
S410: 检测小区的当前频带是否可用;
S420: 当小区的当前频带不可用时, 查询小区的频带信息, 从状态信 息为可用的频带中选取目标频带;
S430: 将目标频带配置给小区。
如此, 当小区的当前频带不可用时, 便可以重新为小区分配其它的可 用频带, 以实现小区的动态管理。
在以上 S410 中, 检测小区的当前频带是否可用, 是对小区当前频带 的一个可用性检测, 该可用性检测可以为冲突检测。 例如, 检测小区当前 使用的频带是否被气象雷达、 军事雷达和卫星通信等高端业务占用而引起 频带冲突。 当检测到当前频带发生冲突后, 则判断当前频带不可用。 此时, 可以使小区进入初始建立状态, 重新等待分配频带资源。 初始建立状态是 指除了频带资源以外小区正常工作所需的软硬件资源已经准备好。 因此, 小区处于初始建立状态时, 小区在等待可用的频带资源。 这时, 小区一旦 获得可用频带, 则进入小区激活状态, 即小区可以发射功率, 进入正常工 作状态。 当然, 在第一次小区建立的时候, 也可以使小区进入初始建立状 态, 以等待频带资源。 同时或之后, 通过查询小区的频带信息, 从状态信 息为可用的频带中选取目标频带; 并将该目标频带配置给小区, 使小区重 新进入正常工作状态。
可见, 当小区的当前频带不可用时, 请参考图 5 , 方法还可以包括: 使小区进入初始建立状态。 图 5为本发明实施例五所提供的小区频带管理 方法的流程图, 如图 5所示, 本实施例的小区频带管理方法包括:
S410: 检测小区的当前频带是否可用;
S421 : 当小区的当前频带不可用时, 使小区进入初始建立状态, 且查 询小区的频带信息, 从状态信息为可用的频带中选取目标频带;
S430: 将目标频带配置给小区。
使小区进入初始建立状态可以在选取目标频带之前执行, 也可以与选 取目标频带同时进行, 本发明不做任何限制。
当状态信息为可用的频带仅有一个时, 可以直接选取该可用的频带作 为目标频带。 当状态信息为可用的频带包括多个时, 可以根据一定的策略 进行选取。 例如, 还可以在状态信息中设置使用优先级, 从而根据该使用 优先级从状态信息为可用的频带中选取使用优先级最高的频带作为目标 频带。 当然, 也可以不设置使用优先级, 从状态信息为可用的频带中任意 选取一个频带作为目标频带。 本发明不做任何限制。
为了满足无线网络对吞吐量的需求, 目前提出了使用 5GHZ频带的方 案。 但 5GHZ频带主要用于气象雷达、 军事雷达和卫星通信等高端业务。 为了保证高端业务的正常运行, 无线网络使用 5GHZ频带时需要支持动态 频率选择( Dynamic Frequency Selection, DFS ) 功能, 即当检测到雷达等 高端业务信号时, 无线网络停止使用该频带。 目前, 基于标准 802.11的无 线局域网 (以下简称 Wi-Fi ) 和基于标准 802.16的无线城域网 (以下简称 Wi-MAX ) 可支持 DFS功能。 但是, 对于 GSM、 UMTS , LTE等蜂窝移 动通信网络, 小区频率都是静态规划的, 直接通过 DFS选择频带会带来严 重的小区间干扰, 频谱利用率低, 甚至会造成业务中断。 而通过以上方法, 可以实现小区频带的动态分配,是现有的蜂窝无线通信系统支持 D F S的重 要基础。
图 4及图 5所示的方法可以通过现有接入网设备实现, 也可以通过单 独的小区管理设备实现。 例如, 可以通过各种通信系统中的基站实现; 也 可以通过 GSM中的 BSC或 UMTS中的 RNC实现,本发明不做任何限制。
图 6为本发明实施例六提供的小区频带管理装置的结构示意图。 如图 6所示, 该小区频带管理装置 600包括存储单元 610、 检测单元 620、 选取 单元 630以及配置单元 640。 其中,存储单元 610存储有小区的频带信息, 该频带信息包括允许小区使用的所有频带以及每个频带的状态信息, 状态 信息包括是否可用; 检测单元 620, 用于检测小区的当前频带是否可用; 选取单元 630, 用于当检测单元 620的检测结果为不可用时, 查询小区的 频带信息, 从状态信息为可用的频带中选取目标频带; 配置单元 640用于 将该目标频带配置给小区。
该装置 600可以通过图 1装置 100的结构来实现。 请同时参照图 6及 图 1 , 其中, 存储单元 610可以设置在独立于处理器 120的存储器 110上, 也可以为设置于处理器 120中的存储区域。 检测单元 620可以为独立于处 理器 120设置的检测电路, 也可以内嵌于处理器 120中; 当然也可以以软 件形式存储于处理器 120的存储区中, 以便处理器 120调用执行检测单元 620对应的操作, 本发明不做任何限制。 选取单元 630 以及配置单元 640 的实现方式与检测单元 620的实现方式类似, 在此不再赘述。
请继续参考图 1及图 6, 在一种实现方式中, 检测单元 620、 选取单 元 630以及配置单元 640以软件的方式由处理器 120调用执行, 或以硬件 的方式内嵌于处理器中。 存储器 110中存储有小区的频带信息, 频带信息 包括允许小区使用的所有频带以及每个频带的状态信息, 状态信息包括是 否可用。 处理器 120与存储器 110连接, 用于执行以下操作: 检测小区的当前频带是否可用;
当小区的当前频带不可用时, 查询小区的频带信息, 从状态信息为可 用的频带中选取目标频带;
将目标频带配置给小区。
图 7为本发明实施例七提供的小区频带管理装置的结构示意图。 请参 考图 6及图 7 , 在另一种实现方式中, 检测单元 620为独立于处理器 120 设置的检测电路 130; 选取单元 630以及配置单元 640以软件的方式由处 理器 120调用执行, 或以硬件的方式内嵌于处理器中。 存储器 1 10中存储 有小区的频带信息, 频带信息包括允许小区使用的所有频带以及每个频带 的状态信息, 状态信息包括是否可用。 处理器 120分别与存储器 110及检 测电路 130连接。其中,检测电路 130用于检测小区的当前频带是否可用; 当小区的当前频带不可用时, 检测电路 130通知处理器 120, 以便处理器 120查询小区的频带信息, 从状态信息为可用的频带中选取目标频带, 并 将目标频带配置给小区。
在另一实施例中, 配置单元 640也可以独立于处理器 120, 相对于图
7所示的实施例, 处理器 120将选取的目标频带提供给配置单元 640, 以 便配置单元 640将目标频带配置给小区。
在以上实施例中, 当小区的当前频带不可用时,需要更换小区的频带; 当小区的当前频带可用时, 可以不更换小区的频带, 也可以更换为更优的 频带。 即更换频带的原因可以包括小区的当前频带不可用、 小区有更好的 可用频带等。 请参考图 8 , 图 8为本发明实施例八所提供的小区频带管理 方法的流程图。 用于小区有更好的可用频带的情况下更换小区频带。 本领 域技术人员可以将该方法与任一其它方法实施例结合, 得到更多的实施 例。 在此, 不再赘述。 如图 8所示, 该方法包括如下步骤:
S810: 检测小区的当前频带是否可用;
S820: 当小区的当前频带可用, 且存在可更换频带时, 将可更换频带 作为目标频带或从可更换频带中选取使用优先级最高的频带作为目标频 带, 其中, 可更换频带的状态信息为可用且使用优先级高于小区当前频带 的使用优先级;
S830: 将目标频带配置给小区。 可见, 在本实施例中, 每个频带的状态信息还包括使用优先级。
以上 S820 中, 当可更换频带为一个时, 则直接选取该频带为目标频 带。 当可更换频带为多个时,可以选取使用优先级最高的频带为目标频带; 当然, 也可以任意选取一个, 本发明不做任何限制。
需要说明的是, 更换频带的原因, 例如小区的当前频带不可用、 小区 有更好的可用频带等, 可以同时使用, 也可以仅釆用其中的一种, 本发明 不做任何限制。
图 9为本发明实施例九提供的小区频带管理方法的流程图。 请参考图 9, 在本发明实施例九中, 在将目标频带配置给小区之前, 为了保证在上 次更新小区频带信息之前到配置目标频带给小区的过程中, 该目标频带的 状态仍然是可用状态, 本实施例的小区频带管理方法还可以包括: 对目标 频带进行初始的信道可用性检测。 如图 9所示, 该方法包括如下步骤:
S910: 检测小区的当前频带是否可用;
S920: 当小区的当前频带不可用时, 使小区进入初始建立状态, 且查 询小区的频带信息, 从状态信息为可用的频带中选取目标频带;
S930: 对选取的目标频带进行可用性检测;
S940: 将目标频带配置给小区。
当 S930 中的可用性检测显示目标频带可用时, 将目标频带配置给小 区,
S950: 激活小区。
激活小区, 即, 使小区进入正常工作状态。
需要说明的是, 在另一种实现方式中, 也可以直接将目标频带配置给 小区, 当小区正常工作后, 通过正在使用的当前信道的可用性检测发现该 频带不可用 (例如, 存在冲突) 时, 则重复图 4所示的步骤, 再次更换小 区的频带。
在本发明的实施例十中, 以上 S410、 S810及 S910的检测小区的当前 频带是否可用, 可以通过正在使用的当前信道的可用性检测 (In-Service Monitoring )来实现。 以上 S930中对选取的目标频带进行可用性检测可以 利用初始的信道可用性检测 ( Channel Availability Check, CAC ) 来实现。 这两个检测步骤可以利用同一检测单元 620来实现,只是检测的时间不同, 其中, 初始的信道可用性检测用于小区处于初始建立状态下对所选取的小 区频带进行可用性检测; 正在使用的当前信道的可用性检测用于小区处于 正常工作状态下对小区的当前频带进行可用性检测。
当然, 以上两个检测步骤也可以通过不同的检测单元来实现, 这两个 检测单元在小区的不同状态下分别进行这两种检测。 例如, 以上 S930 中 对选取的目标频带进行可用性检测通过独立于检测单元 620的初始检测单 元 620来实现。
本发明实施例十可以与本发明的其它任一实施例结合, 即本领域技术 人员可以将实施例十中的检测方法与任一方法实施例结合, 得到更多的实 施例, 也可以将实施例十中的检测单元与任一装置实施例结合, 得到更多 的实施例。
图 10为本发明实施例十一提供的小区频带管理装置的结构示意图。 请参考图 10 ,本发明的小区频带管理装置 600还包括: 小区管理单元 650 , 用于激活或去激活小区, 即用于将小区配置为初始建立状态或正常工作状 态。 小区管理单元 650可以为独立于处理器单独设置, 也可以内嵌于处理 器中; 当然也可以以软件形式存储于处理器的存储区中, 以便处理器调用 执行小区管理单元 650对应的操作, 也可以以软件形式存储于处理器之外 的存储区中, 以便处理器调用执行小区管理单元 650对应的操作, 本发明 不做任何限制。
另外, 该小区管理单元 650可以与配置单元 640集成在一起, 也可以 单独设置, 本发明不做任何限制。
本发明实施例十一可以与本发明的其它任一实施例结合, 即本领域技 术人员可以将实施例十一中的检测方法与任一方法实施例结合, 得到更多 的实施例, 也可以将实施例十一中的小区管理单元与任一装置实施例结 合, 得到更多的实施例。
在本发明的实施例十二中, 小区频带管理方法还包括: 更新小区的频 带信息。 图 1 1 为本发明实施例十二提供的小区频带管理装置的结构示意 图, 请参考图 1 1 , 小区频带管理装置 600还包括更新单元 660 , 用于更新 小区的频带信息。 更新单元 660可以为独立于处理器单独设置, 也可以内 嵌于处理器中; 当然也可以以软件形式存储于处理器的存储区中, 以便处 理器调用执行更新单元 660对应的操作, 也可以以软件形式存储于处理器 之外的存储区中, 以便处理器调用执行更新单元 660对应的操作, 本发明 不做任何限制。
该步骤与以上任一方法实施例之间的步骤没有顺序上的限制, 其可以 在小区频带管理的过程中的任一时刻执行, 且更新的依据也包括多种: 例如, 可以对小区的当前频带之外的频带进行可用性检测 (例如, 当 前信道外的可用性检测 ( Off-Channel CAC ) ) , 以提供备选的可用频带。 此时, 小区的频带信息中的状态信息还包括是否可检测。 小区的频带管理 方法还包括: 对小区的当前频带之外的状态信息为可检测的频带进行可用 性检测; 利用该可用性检测的结果更新小区的频带信息。 例如, 可检测的 频带为频带 1、 频带 2及频带 3 , 其中频带 2为当前频带, 除了对该频带 2 进行是否被占用的可用性检测之外, 还可以对频带 1及频带 3进行可用性 检测, 且当频带 1和频带 3的可用性检测结果为可用时, 将频带 1和 3的 状态信息更新为可使用, 以作为备选频带。
本发明实施例十二可以与本发明的其它任一实施例结合, 即本领域技 术人员可以将实施例十二中的更新过程与任一方法实施例结合, 得到更多 的实施例, 也可以将实施例十二中的更新单元与任一装置实施例结合, 得 到更多的实施例。
图 12为本发明实施例十三提供的小区频带管理装置的结构示意图。 请参考图 12, 小区频带管理装置 600还包括带外检测单元 670 , 通过带外 检测单元 670对小区的当前频带之外的频带进行可用性检测, 以提供备选 的可用频带。需要说明的是,该带外检测单元 670独立于以上检测单元 620 单独设置; 也可以利用以上检测单元 620来实现, 当利用检测单元 620来 实现时, 需要在不同时段为检测单元 620配置待检测的频带。
可选的, 可以利用配置单元 640根据小区的频带信息为检测单元 620 和带外检测单元 670配置待检测频带。
再请参照图 12 , 本是实例中, 更新单元 660还可以根据小区的相邻小 区当前使用的频带信息更新该小区的频带信息。 其中, 相邻小区当前使用 的频带信息可以通过本小区的接入网侧设备(例如, 基站)与其它接入网 侧设备之间的信息交互获得。也可以通过 0 AM从其它接入网侧设备获得。 当然, 该更新也可以于 OAM侧进行, 而后下发给接入网侧设备。
另外, 更新单元 660还可以根据目标策略, 更新小区的频带信息。 目 标策略, 是小区频带管理装置标记频带属性或选取当前频带等的主要依据。 例如, 为降低小区间干扰, 可以优选其他小区当前频带之外的容许频带用于 检测, 并优选这类频带为可用频带; 为了最大限度的进行频带复用, 可以选 取其他小区当前频带用于检测; 为了保证检测到频带可用的概率, 则可以把 没有检测冲突历史的频带的可检测优先级标识为较高优先级, 或者将已冲突 时刻较早的频带标识为较高优先级; 为了保证业务连续性, 可以将曾经冲突 的频带的可使用优先级标识为低优先级, 反之标识为高优先级, 为了保证业 务的连续性, 确定小区需要同时可用的最少频带的个数等。
本发明实施例十三可以与本发明的其它任一实施例结合, 即本领域技 术人员可以将实施例十三中的更新方法与任一方法实施例结合, 得到更多 的实施例, 也可以将实施例十三中的带外检测单元与任一装置实施例结 合, 得到更多的实施例。
在以上每个实施例中, 小区的频带信息可以为频带属性列表。 即将允 许小区使用的所有频带以及每个频带的状态信息以列表的方式呈现。 当 然, 也可以以其它方式呈现, 本发明不做任何限制。
另外, 小区的频带信息可以包括以下信息中的一个或多个: 是否可检 测、 可检测的优先级、 是否可使用、 可使用的优先级、 不能使用的原因、 是否需要更换或是否存在冲突、 是否使用过、 上次使用的时间、 是否被其 它小区使用、 可使用的时间间隔。 例如, 当检测到小区的当前频带不可用 时, 可以更新否需要更换或是否存在冲突的状态标识, 从而通过查询该小 区的频带信息判断是否需要更换小区频带。 当然, 也可以不设置该信息, 当检测到小区的当前频带不可用时, 直接触发小区频带的更换。 再如, 在 频带使用过程中, 如果当前频带检测到冲突后, 则标记频带为不可用并标 记冲突时间, 并在设定时间 (如, 6分钟, 仅为举例, 本领域技术人员可 以根据需要设定)后,重新标记该频带可检测,触发 CAC 或者 Off-Channel C AC检测频带的可用性。
总之, 对于小区频带信息的内容以及更新方式, 可以根据实际需要进 行设定, 本发明不做任何限制。 请参考图 13 , 图 13为本发明实施例十四提供的小区频带管理方法的 流程图, 在本实施例中, 体现了小区建立的过程, 如图 13 所示, 该方法 的执行主体为小区频带管理装置, 该装置位于接入网侧, 可以通过现有接 入网设备实现, 也可以单独设置, 以下以小区频带管理装置通过现有接入 网设备为例对本发明进行详细说明。 具体的, 该方法包括如下步骤:
S131 : 获取小区的频带信息, 频带信息包括允许该小区使用的所有频 带以及每个频带的状态信息。
S132: 查询小区的频带信息, 选取状态信息为可用的频带并配置给小 区;
S133 : 激活小区, 即, 使小区进入正常工作状态。
在以上 S 131 中, 接入网设备可以从 OAM获取小区的频带信息, 也 可以根据 OAM配置给接入网设备的频带范围, 建立一个初始的小区的频 带信息。
当接入网设备设置多个小区时, 需要多次执行以上 S132, 为多个小区 分别配置频带。 此时, 在执行上述 S132之前, 还可以包括:
设置频带信息种各个频带的可检测信息与可检测优先级信息, 利用该 用时, 依次配置给各个小区。 例如, 根据 OAM下发的目标策略, 设置频 带 1到 10中, 频带 1到 5可检测, 且可检测优先级依次下降。 首先, 对 频带 1进行可用性检测, 如果频带 1可用, 则将其配置给小区 1。 而后, 对频带 2进行可用性检测 (例如, 初始的信道可用性检测) , 如果频带 2 不可用, 重新选取频带 3进行可用性检测, 且如果频带 3可用, 则将其配 置给小区 2。
通过以上的实施例的描述 , 所属领域的技术人员可以清楚地了解到 本发明可以用硬件实现, 或固件实现, 或它们的组合方式来实现。 当使用 软件实现时, 可以将上述功能存储在计算机可读介质中或作为计算机可读 介质上的一个或多个指令或代码进行传输。 计算机可读介质包括计算机存 储介质和通信介质, 其中通信介质包括便于从一个地方向另一个地方传送 计算机程序的任何介质。 存储介质可以是计算机能够存取的任何可用介 质。以此为例但不限于:计算机可读介质可以包括 RAM、 ROM, EEPROM、 CD-ROM或其他光盘存储、磁盘存储介质或者其他磁存储设备、 或者能够 用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计 算机存取的任何其他介质。 此外, 任何连接可以适当的成为计算机可读介 质。例如,如果软件是使用同轴电缆、光纤光缆、双绞线、数字用户线( Digital Subscriber Loop, DSL ) 或者诸如红外线、 无线电和 波之类的无线技术 从网站、 服务器或者其他远程源传输的, 那么同轴电缆、 光纤光缆、 双绞 线、 DSL或者诸如红外线、 无线和微波之类的无线技术包括在所属介质的 定影中。 如本发明所使用的, 盘( Disk )和碟 ( disc )包括压缩光碟( CD ) 、 激光碟、 光碟、 数字通用光碟(DVD ) 、 软盘和蓝光光碟, 其中盘通常磁 性的复制数据, 而碟则用激光来光学的复制数据。 上面的组合也应当包括 在计算机可读介质的保护范围之内。
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非对 其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换; 而这些修改或者替换, 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims

权 利 要 求 书
1、 一种小区频带管理方法, 其特征在于, 小区的接入网侧存储该小 区的频带信息, 所述频带信息包括允许所述小区使用的所有频带以及每个 频带的状态信息, 所述状态信息包括是否可用, 所述方法包括:
检测所述小区的当前频带是否可用;
当所述小区的当前频带不可用时, 查询所述小区的频带信息, 从状态 信息为可用的频带中选取目标频带;
将所选取的目标频带配置给所述小区。
2、 根据权利要求 1 所述的方法, 其特征在于, 所述检测所述小区的 当前频带是否可用之后, 还包括:
当所述小区的当前频带不可用时, 使所述小区进入初始建立状态。
3、 根据权利要求 2所述的方法, 其特征在于, 将所选取的目标频带 配置给所述小区之前, 还包括:
对所述目标频带进行可用性检测;
将所选取的目标频带配置给所述小区, 包括:
当所述目标频带可用时, 将所述目标频带配置给所述小区, 以使所述 小区进入正常工作状态。
4、 根据权利要求 1至 3任一项所述的方法, 其特征在于, 所述状态 信息还包括使用优先级。
5、 根据权利要求 4所述的方法, 其特征在于, 所述当所述小区的当 前频带不可用时, 查询所述小区的频带信息, 从状态信息为可用的频带中 选取目标频带, 包括:
从状态信息为可用的频带中选取使用优先级最高的频带作为所述目 标频带。
6、 根据权利要求 4或 5所述的方法, 其特征在于, 还包括: 当所述小区的当前频带可用, 且存在可更换频带时, 从所述可更换频 带中选取目标频带, 其中, 所述可更换频带的状态信息为可用且使用优先 级高于所述小区当前频带的使用优先级。
7、 根据权利要求 1至 6任一项所述的方法, 其特征在于, 还包括: 更新所述小区的频带信息。
8、 根据权利要求 7 所述的方法, 其特征在于, 所述状态信息还包括 是否可检测, 所述更新所述小区的频带信息, 包括:
对所述小区的频带信息中所述小区的当前频带之外的状态信息为可 检测的频带进行可用性检测;
根据所述可用性检测的结果更新所述小区的频带信息。
9、 根据权利要求 7或 8所述的方法, 其特征在于, 所述状态信息还 包括是否被其它小区使用;
所述更新所述小区的频带信息, 还包括:
根据所述小区的相邻小区当前使用的频带信息更新所述小区的频带 信息。
10、 根据权利要求 7至 9任一项所述的方法, 其特征在于, 所述更新 所述小区的频带信息, 还包括:
根据目标策略, 更新所述小区的频带信息。
1 1、 一种小区频带管理装置, 其特征在于, 包括:
存储单元, 存储小区的频带信息, 所述频带信息包括允许所述小区使 用的所有频带以及每个频带的状态信息, 所述状态信息包括是否可用; 检测单元, 用于检测所述小区的当前频带是否可用;
选取单元, 用于当所述检测单元的检测结果为不可用时, 查询所述小 区的频带信息, 从状态信息为可用的频带中选取目标频带;
配置单元, 用于将所选取的目标频带配置给所述小区。
12、 根据权利要求 1 1所述的装置, 其特征在于, 还包括:
'J、区进入初始建立状态。
13、 根据权利要求 12所述的装置, 其特征在于, 所述检测单元还用 于:
在将所选取的目标频带配置给所述小区之前, 对所述目标频带进行可 用性检测;
所述配置单元用于当所述目标频带可用时, 将所述目标频带配置给所 述小区;
所述小区管理单元还用于使所述小区进入正常工作状态。
14、 根据权利要求 11至 13任一项所述的装置, 其特征在于, 所述状 态信息还包括使用优先级。
15、 根据权利要求 14所述的装置, 其特征在于, 所述选取单元从状 态信息为可用的频带中选取目标频带, 包括:
从状态信息为可用的频带中选取使用优先级最高的频带作为所述目 标频带。
16、 根据权利要求 14或 15所述的装置, 其特征在于, 所述选取单元 还用于:
当所述小区的当前频带可用, 且存在可更换频带时, 从所述可更换频 带中选取目标频带, 其中, 所述可更换频带的状态信息为可用且使用优先 级高于所述小区当前频带的使用优先级。
17、根据权利要求 11至 16任一项所述的装置, 其特征在于,还包括: 更新单元, 用于更新所述小区的频带信息。
18、 根据权利要求 17 所述的装置, 其特征在于, 所述状态信息还包 括是否可检测, 所述装置还包括:
带外检测单元, 用于对所述小区的频带信息中所述小区的当前频带之 外的状态信息为可检测的频带进行可用性检测;
所述更新单元还用于根据所述可用性检测的结果更新所述小区的频 带信息。
19、 根据权利要求 17或 18所述的装置, 其特征在于, 所述状态信息 还包括是否被其它小区使用, 所述更新单元还用于:
根据所述小区的相邻小区当前使用的频带信息更新所述小区的频带 信息。
20、 根据权利要求 17至 19任一项所述的装置, 其特征在于, 所述更 新单元还用于:
根据目标策略, 更新所述小区的频带信息。
21、 一种小区频带管理装置, 其特征在于, 包括:
存储器, 存储小区的频带信息, 所述频带信息包括允许所述小区使用 的所有频带以及每个频带的状态信息, 所述状态信息包括是否可用;
处理器, 与所述存储器连接, 用于根据所述存储器存储的所述小区的 频带信息, 执行如权利要求 1至 10任一项所述的操作。
22、 一种小区频带管理系统, 其特征在于, 包括: 如权利要求 11 至 21任一项所述的小区频带管理装置。
23、 根据权利要求 22所述的系统, 其特征在于, 还包括:
网络频带管理装置, 用于向所述小区频带管理装置配置允许使用的频 带范围或目标策略。
24、 一种计算机程序产品, 包括计算机可读介质, 其特征在于, 所述 计算机可读介质包括一组程序代码,用于执行如权利要求 1-10中任意一项 所述的方法。
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