WO2018137554A1 - 一种干扰协调方法及装置 - Google Patents

一种干扰协调方法及装置 Download PDF

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Publication number
WO2018137554A1
WO2018137554A1 PCT/CN2018/073270 CN2018073270W WO2018137554A1 WO 2018137554 A1 WO2018137554 A1 WO 2018137554A1 CN 2018073270 W CN2018073270 W CN 2018073270W WO 2018137554 A1 WO2018137554 A1 WO 2018137554A1
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Prior art keywords
network device
access network
resource unit
information
coordination
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PCT/CN2018/073270
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English (en)
French (fr)
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闫志宇
官磊
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华为技术有限公司
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Publication of WO2018137554A1 publication Critical patent/WO2018137554A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023Interference mitigation or co-ordination
    • H04J11/005Interference mitigation or co-ordination of intercell interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023Interference mitigation or co-ordination
    • H04J11/005Interference mitigation or co-ordination of intercell interference
    • H04J11/0053Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to an interference coordination method and apparatus.
  • edge frequency resources configured for 2 cells (eg, cell A and cell B).
  • the edge terminal device of the cell A and the edge terminal device of the cell B use the same edge frequency resource at the same time, the access and service of the edge terminal device of the cell A are affected, and the access and service of the edge terminal device of the cell B are affected. It is also affected, that is, interference occurs between the cell A and the cell B, which affects the feelings of the edge users of the cell A and the edge users of the cell B.
  • Inter Cell Interference Coordination technology is adopted to avoid inter-cell interference.
  • an evolved Node Base Station (eNB) A serving the cell A generates interference coordination information of the eNB A based on the scheduling resource unit used by the eNB A, and provides the eNB B serving the cell B through the X2 interface.
  • the interference coordination information is sent, so that the eNB B determines the scheduling information of the eNB B according to the interference coordination information, so that the scheduling of the eNB B avoids the interference of the eNB A as much as possible, and reduces the interference between the cell A and the cell B.
  • the eNB B since the interference coordination information of the eNB A is generated by the eNB A based on the scheduling resource unit used by the eNB A, the eNB B determines the scheduling information of the eNB B according to the acquired interference coordination information, which is equivalent to the eNB B being based on The scheduling resource unit used by the eNB A determines the scheduling information of the eNB B.
  • the eNB B cannot learn the scheduling resource unit used by the eNB A. Therefore, the eNB B cannot accurately determine the eNB A using the above method. The interference situation with the eNB B, so that the scheduling information of the eNB B cannot be accurately determined.
  • the present invention provides an interference coordination method and apparatus, which can solve the problem that the interference between two eNBs cannot be accurately determined according to the interference coordination information of another eNB in a scenario where the sizes of the scheduling resource units of the two eNBs are different. Therefore, the problem of the scheduling information of the eNB cannot be determined.
  • a first aspect provides an interference coordination method, where a first access network device acquires coordination information determined according to a size of an interference coordination resource unit, and reference information used to indicate a size of the interference coordination resource unit, and according to the obtained coordination information And the reference information, determining scheduling information of the first access network device; the first access network device communicating with the terminal device according to the determined scheduling information.
  • the first access network device in the embodiment of the present application can obtain the reference information for indicating the size of the interference coordination resource unit, and can also obtain the information between the second access network device and the first access network device.
  • Coordination information of the interference, and the coordination information is determined according to the size of the interference coordination resource unit.
  • the first access network device can learn the degree of interference between the first access network device and the second access network device according to the reference information and the coordination information. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • the method for the first access network device to obtain the reference information is: the first access network device receives the reference information sent by the second access network device; Or the first access network device receives the reference information sent by the core network device that is connected to the first access network device and the second access network device; or the first access network device determines the second access network.
  • the working frequency band of the device obtains reference information according to the working frequency band and the preset relationship of the second access network device, where the preset relationship includes a correspondence between the working frequency band of the second access network device and the reference information.
  • the method for the first access network device to obtain the coordination information is: the first access network device receives the coordination information sent by the second access network device; Or the first access network device receives the coordination information sent by the core network device that is connected to the first access network device and the second access network device.
  • the first access network device in the embodiment of the present application may obtain at least one of the coordination information and the reference information from the second access network device, and may obtain at least one of the coordination information and the reference information from the core network device.
  • the interference coordination method provided by the embodiment of the present application further includes: acquiring, by the first access network device, interference coordination priority information corresponding to the coordination information.
  • the first access network device may determine scheduling information of the first access network device according to the coordination information, the reference information, and the interference coordination priority information.
  • the interference coordination priority information in the embodiment of the present application is used to indicate the service priority of the first access network device and the second access network device. If the service priority of the first access network device is higher than the service priority of the second access network device, the first access network device determines the first connection based on the scheduling resource unit used by the first access network device. The scheduling information of the network access device. If the service priority of the first access network device is lower than the service priority of the second access network device, the first access network device determines the first connection based on the scheduling resource unit used by the second access network device. The scheduling information of the network access device. In this way, the service of the access network device with higher service priority is effectively guaranteed.
  • the method for the first access network device to obtain the interference coordination priority information is specifically: the first access network device receives the second access network device and sends the The interference coordination priority information; or the first access network device receives the interference coordination priority information sent by the core network device.
  • a second aspect provides an interference coordination method, where the second access network device determines the reference information for indicating the size of the interference coordination resource unit and the coordination information determined according to the size of the interference coordination resource unit, The network access device sends its determined reference information and coordination information.
  • the coordination information is used to coordinate interference between the second access network device and the first access network device.
  • the reference information in the embodiment of the present application is used to indicate reference information of the size of the interference coordination resource unit, where the coordination information is used to indicate interference between the second access network device and the first access network device, and the coordination information is based on The size of the interference coordination resource unit is determined. Therefore, after the second access network device sends the reference information and the coordination information to the first access network device, the first access network device can learn, according to the reference information and the coordination information, the first access network device and the second access network. The degree of interference between devices. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • the method for the second access network device to send the coordination information and the reference information to the first access network device is: the second access network device is the first The access network device sends the coordination information, and sends the reference information to the first access network device; or the second access network device sends the coordination information to the core network device, and sends the reference information to the core network device; or, the second connection The network access device sends one of the coordination information and the reference information to the first access network device, and sends another one of the coordination information and the reference information to the core network device.
  • the core network device is connected to both the first access network device and the second access network device.
  • the second access network device in the embodiment of the present application may simultaneously send the coordination information and the reference information to the first access network device; or may first send the coordination information to the first access network device, and then send the reference information.
  • the reference information may also be sent to the first access network device first, and then the coordination information is sent.
  • the second access network device may simultaneously send the coordination information and the reference information to the core network device, or may first send the information to the core network device.
  • the reference information is sent; the reference information may also be sent to the core network device first, and then the coordination information is sent.
  • the core network device obtains the coordination information and the reference information, the coordination information and the reference information may be simultaneously sent to the first access network device; or the first access network device may first send the coordination information, and then send the reference information.
  • the reference information may also be sent to the first access network device first, and then the coordination information is sent.
  • the first access network device can obtain the coordination information and the reference determined by the second access network device. And determining, according to the coordination information and the reference information, scheduling information of the first access network device.
  • the interference coordination method provided by the embodiment of the present application further includes: determining, by the second access network device, the size of the interference coordination resource unit corresponding to the coordination information, and the interference
  • the coordinated resource unit size is determined according to the working frequency band and the preset relationship of the second access network device.
  • the preset relationship includes a correspondence between a working frequency band of the second access network device and reference information.
  • the interference coordination method provided by the embodiment of the present application further includes: determining, by the second access network device, interference coordination priority information corresponding to the coordination information, and The interference coordination priority information determined by the first access network device is sent to the first access network device.
  • an interference coordination method is provided, after a core network device connected to both the first access network device and the second access network device acquires communication information including at least one of coordination information and reference information, The communication information is sent to the first access network device.
  • the reference information is used to indicate the size of the interference coordination resource unit, and the coordination information is used to coordinate interference between the first access network device and the second access network device, and the coordination information is determined according to the size of the interference coordination resource unit.
  • the reference information in the embodiment of the present application is used to indicate reference information of the size of the interference coordination resource unit, where the coordination information is used to indicate interference between the second access network device and the first access network device, and the coordination information is based on The size of the interference coordination resource unit is determined. Therefore, after the second access network device sends the reference information and the coordination information to the first access network device, the first access network device can learn, according to the reference information and the coordination information, the first access network device and the second access network. The degree of interference between devices. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • the core network device may simultaneously send the coordination information and the reference information to the first access network device, or may send the coordination information to the first access network device first, and then send the reference information; The network device first sends the reference information and then sends the coordination information.
  • the method for the core network device to obtain the communication information is: the core network device receives the communication information sent by the second access network device.
  • the communication information includes reference information
  • the method for the core network device to obtain the communication information is: the core network device determines the reference information
  • the communication information includes reference information
  • the core network device determines the reference information
  • the core network device further provides the first access network device and the second access The network device sends its determined reference information separately.
  • the interference coordination method provided by the embodiment of the present application further includes: determining, by the core network device, interference coordination priority information corresponding to the coordination information, and performing the first The access network device sends interference coordination priority information.
  • a fourth aspect provides an access network device, where the access network device is a first access network device, where the access network device includes an obtaining unit and a processing unit.
  • the acquiring unit is configured to obtain coordination information and reference information, where the coordination information is used to coordinate interference between the first access network device and the second access network device, where the reference information is used to indicate the size of the interference coordination resource unit, and the coordination information
  • the processing unit is configured to determine scheduling information of the first access network device according to the coordination information and the reference information acquired by the acquiring unit, and to use the scheduling information and the terminal device according to the scheduling information. Communication.
  • the size of the interference coordination resource unit is at least one of a time length of the interference coordination resource unit and a frequency width of the interference coordination resource unit.
  • the acquiring unit is specifically configured to: receive reference information sent by the second access network device; or receive reference information sent by the core network device, and the core network device and The first access network device and the second access network device are both connected.
  • the processing unit is further configured to determine a working frequency band of the second access network device.
  • the acquiring unit is configured to acquire reference information according to a working frequency band and a preset relationship of the second access network device, where the preset relationship is The correspondence between the working frequency band of the second access network device and the reference information is included.
  • the acquiring unit is specifically configured to: receive the coordination information sent by the second access network device; or receive the coordination information sent by the core network device, and the core network device and The first access network device and the second access network device are both connected.
  • the second access network device uses at least one scheduling resource unit, where the size of the interference coordination resource unit is the shortest scheduling resource in the at least one scheduling resource unit.
  • the time length of the unit, or the interference coordination resource unit is a frequency width of the scheduling resource unit with the narrowest frequency width in the at least one scheduling resource unit, or the interference coordination resource unit is the resource unit RE included in the at least one scheduling resource unit.
  • the acquiring unit is further configured to acquire interference coordination priority information corresponding to the coordination information.
  • the acquiring unit is specifically configured to: receive interference coordination priority information sent by the second access network device; or receive interference generated by the core network device. Coordinate priority information.
  • a fifth aspect provides an access network device, where the access network device is a first access network device, where the access network device includes a communication interface, a processor, and a memory; wherein the communication interface, the processor, and the memory pass the system A bus connection; a memory for storing computer instructions, and a processor for executing computer instructions stored in the memory to cause the access network device to perform the interference coordination method as described in the first aspect above and various implementations thereof.
  • a computer readable storage medium comprising one or more program codes; when the processor of the access network device executes the program code, the access network device performs The interference coordination method described in the first aspect above and its various possible implementations.
  • an access network device is provided, where the access network device is a second access network device, where the access network device includes a processing unit and a sending unit.
  • the processing unit is configured to determine coordination information and reference information, where the coordination information is used to coordinate interference between the second access network device and the first access network device, where the reference information is used to indicate the size of the interference coordination resource unit, and the coordination information
  • the determining unit is configured to send, according to the size of the interference coordination resource unit, the foregoing sending unit, to the first access network device, the coordination information and the reference information determined by the processing unit.
  • the sending unit is specifically configured to: send the coordination information to the first access network device, and send the reference information to the first access network device; or, the second connection
  • the network access device sends the coordination information to the core network device, and sends the reference information to the core network device; or the second access network device sends one of the coordination information and the reference information to the first access network device, and sends the information to the core network.
  • the device sends another one of the coordination information and the reference information; wherein the core network device is connected to both the first access network device and the second access network device.
  • the size of the interference coordination resource unit is at least one of a time length of the interference coordination resource unit and a frequency width of the interference coordination resource unit.
  • the second access network device uses at least one scheduling resource unit, where the size of the interference coordination resource unit is the shortest scheduling resource in the at least one scheduling resource unit.
  • the time length of the unit, or the interference coordination resource unit is a frequency width of the scheduling resource unit with the narrowest frequency width in the at least one scheduling resource unit, or the interference coordination resource unit is the resource unit RE included in the at least one scheduling resource unit.
  • the processing unit is further configured to determine interference coordination priority information corresponding to the coordination information, where the sending unit is further configured to use the first access network.
  • the device sends the interference coordination priority information determined by the processing unit.
  • an access network device where the access network device is a second access network device, where the access network device includes a communication interface, a processor, and a memory; wherein the communication interface, the processor, and the memory pass the system A bus connection; a memory for storing computer instructions, and a processor for executing computer instructions stored in the memory to cause the access network device to perform the interference coordination method as described in the second aspect above and various implementations thereof.
  • a computer readable storage medium comprising one or more program codes; when the processor of the access network device executes the program code, the access network device performs The interference coordination method described in the second aspect above and its various possible implementations.
  • the name of the access network device is not limited to the device or the function module itself. In actual implementation, these devices or function modules may appear under other names. As long as the functions of the respective devices or functional modules are similar to the embodiments of the present application, they fall within the scope of the claims of the present application and their equivalents.
  • a core network device in a tenth aspect, includes an obtaining unit and a sending unit.
  • the acquiring unit is configured to acquire communication information, where the communication information includes at least one of coordination information and reference information, where the coordination information is used to coordinate interference between the first access network device and the second access network device, and the reference information is used by
  • the coordination information is determined according to the size of the interference coordination resource unit, and the core network device is connected to the first access network device and the second access network device; the sending unit is used for An access network device sends the communication information acquired by the acquiring unit.
  • the acquiring unit is specifically configured to receive communication information sent by the second access network device.
  • the communication information includes reference information
  • the acquiring unit specifically determines the reference information
  • the communication information includes reference information
  • the sending unit is further configured to: after the obtaining unit determines the reference information, to the first access network device and the second The access network device separately sends reference information.
  • the core network device further includes a processing unit, where the processing unit is configured to determine interference coordination priority information corresponding to the coordination information acquired by the acquiring unit, where The sending unit is further configured to send interference coordination priority information to the first access network device.
  • a core network device comprising a communication interface, a processor, and a memory; wherein the communication interface, the processor, and the memory are connected by a system bus; the memory is configured to store computer instructions, and the processor is configured to execute The memory stores computer instructions to cause the core network device to perform the interference coordination method as described in the third aspect above and various implementations thereof.
  • a twelfth aspect further provides a computer readable storage medium comprising one or more program codes; when the processor of the core network device executes the program code, the core network device performs the above The interference coordination method described in the third aspect and its various possible implementations.
  • the name of the core network device is not limited to the device or the function module itself. In actual implementation, these devices or function modules may appear under other names. As long as the functions of the respective devices or functional modules are similar to the embodiments of the present application, they are within the scope of the claims of the present application and their equivalents.
  • the size of the interference coordination resource unit is at least one of a length of time of the interference coordination resource unit and a frequency width of the interference coordination resource unit.
  • the size of the interference coordination resource unit refers to the granularity of the interference coordination resource unit.
  • the granularity of the interference coordination resource unit may only consider the time domain, or may only consider the frequency domain, and may also comprehensively consider the time domain and the frequency domain.
  • the second access network device uses at least one scheduling resource unit, and the size of the interference coordination resource unit is at least one used by the second access network device.
  • the interference coordination resource unit is a time length and a frequency width of the scheduling resource unit with the smallest number of resource elements (Resource Element, RE) included in the at least one scheduling resource unit used by the second access network device, or the interference coordination resource
  • the length of time of the unit is equal to a minimum value of a length of time in at least one scheduling resource unit used by the second access network device, and the frequency width is equal to a minimum value of a frequency width in at least one scheduling resource unit used by the second access network device
  • the interference coordination resource unit size is based on the operating frequency band of the second access network device and Determining
  • the first access network device uses at least one scheduling resource unit, and the size of the interference coordination resource unit is at least one used by the first access network device.
  • the time length of the scheduling resource unit with the shortest time length in the scheduling resource unit, or the interference coordination resource unit is the frequency bandwidth of the scheduling resource unit with the narrowest frequency width among the at least one scheduling resource unit used by the first access network device, or
  • the interference coordination resource unit is a time length and a frequency width of the scheduling resource unit with the smallest number of resource unit REs included in the at least one scheduling resource unit used by the first access network device, or the time length of the interference coordination resource unit is equal to a minimum value of a length of time in at least one scheduling resource unit used by the first access network device, and a frequency width equal to a minimum value of a frequency width in at least one scheduling resource unit used by the first access network device.
  • the at least one scheduling resource unit used by the first access network device and the at least one scheduling resource unit used by the second access network device form a scheduling resource unit.
  • the aggregation, the size of the interference coordination resource unit is the length of the scheduling resource unit with the shortest time length in the scheduling resource unit set, or the interference coordination resource unit is the frequency width of the scheduling resource unit with the narrowest frequency width in the scheduling resource unit set.
  • the interference coordination resource unit is a time length and a frequency width of the scheduling resource unit with the smallest number of resource unit REs included in the scheduling resource unit set, or the time length of the interference coordination resource unit is equal to the minimum time length in the scheduling resource unit set.
  • the value, and the frequency width is equal to the minimum of the frequency width in the set of scheduling resource elements.
  • the size of the interference coordination resource unit is the length of time of the interference coordination resource unit
  • the size of the interference coordination resource unit is the length of time of the scheduling resource unit with the shortest time length in the at least one scheduling resource unit.
  • the size of the interference coordination resource unit is the frequency width of the interference coordination resource unit
  • the size of the interference coordination resource unit is the frequency width of the scheduling resource unit with the narrowest frequency width in the at least one scheduling resource unit.
  • the size of the interference coordination resource unit is the time length and the frequency width of the interference coordination resource unit
  • the size of the interference coordination resource unit is the length and frequency of the scheduling resource unit including the smallest number of resource unit REs in the at least one scheduling resource unit.
  • the scheduling resource with the smallest time length and/or the narrowest frequency width in the scheduling resource unit of the size of the interference coordination resource unit and the second access network device is used.
  • the coordination information includes load information of the second access network device. The load information is used to indicate a change in the transmit power of the second access network device.
  • the load information of the second access network device may indicate that the transmit power of the second access network device is higher or lower than a certain preset power.
  • the load information of the second access network device includes a Relative Narrowband Tx Power (RNTP) of the second access network device.
  • the RNTP may indicate, by means of a bit bitmap, each physics used by the second access network device within a time period from the second access network device determining the current coordination information to the second access network device next updating the coordination information. Whether the transmission power on the Physical Resource Block (PRB) is greater than the preset power.
  • PRB Physical Resource Block
  • the load information of the second access network device may also indicate a change in the transmit power of the second access network device over time.
  • the load information of the second access network device includes an Enhanced Interference Management Service Adaptation (eIMTA) configuration of the second access network device, and an almost empty subframe of the second access network device (Almost Blank Subframe) At least one of a target time division duplex (TDD) configuration of the second access network device and a coordinated coordinated multi-point (CoMP) configuration of the second access network device.
  • eIMTA, ABS, TDD configuration, and CoMP configuration of the second access network device each indicate which subframes the second access network device transmits information.
  • the load information of the second access network device may also indicate a change in the transmit power of the second access network device as the frequency changes.
  • the load information of the second access network device includes the RNTP of the second access network device.
  • the load information of the second access network device may also indicate a change in the transmit power of the second access network device as the time-frequency changes.
  • the load information of the second access network device includes an enhanced RNTP.
  • the enhanced RNTP indicates each PRB used by the second access network device on a configuration subframe within a time period from the second access network device determining the current coordination information to the second access network device next updating the coordination information Whether the transmit power on the upper limit is greater than the pre-configured threshold.
  • the coordination information also includes location information of the associated configuration subframe.
  • the coordination information includes the load information of the second access network device
  • the first access network device when determining the scheduling information of the first access network device, the first access network device needs to ensure that the scheduling of the first access network device can be avoided. Interference from two access network devices.
  • the size of the interference coordination resource unit corresponds to the size of the scheduling resource unit with the smallest time length and/or the narrowest frequency width in the scheduling resource unit used by the second access network device, so that the first access network can be made.
  • the device accurately determines the interference caused by the second access network device.
  • the scheduling resource with the smallest time length and/or the narrowest frequency width in the scheduling resource unit used by the first access network device in the size of the interference coordination resource unit includes first information indicating that the second access network device is interfered.
  • the first information may indicate a distribution of interference received by the second access network device in time, and may also indicate a distribution of interference received by the second access network device in frequency.
  • the first information includes an uplink interference overload indication (OI), where the uplink OI may indicate, by using a bit bitmap, that the current coordination information is determined from the second access network device to the second access network device.
  • the interference overload indication value of the second access network device on each PRB during the time period before the coordination information is updated.
  • the value of the uplink OI is "1" it means interference overload; when the value of the uplink OI is "0”, it means that the interference is not overloaded.
  • the uplink OI describes that each PRB used by the second access network device is interfered by other access network devices when the second access network device receives the signal.
  • the first information includes High Interference Information (HII), and the uplink HII may indicate, by using a bit bitmap, that the current coordination information is determined from the second access network device to the second access network device.
  • the uplink HII describes the sensitivity level of interference of other access network devices on each PRB used by the second access network device when the second access network device receives the signal.
  • the first information may also indicate the distribution of interference received by the second access network device in time and frequency.
  • the first information includes an extended uplink interference overload indication OI, and the extended uplink OI indicates a period from before the second access network device determines the current coordination information to the second access network device to update the coordination information next time, and second.
  • the coordination information also includes information about the associated uplink subframe.
  • the coordination information includes the first information
  • the first access network device when determining the scheduling information of the first access network device, the first access network device needs to avoid interference of the first access network device with the second access network device.
  • the size of the interference coordination resource unit corresponds to the size of the scheduling resource unit with the smallest time length and/or the narrowest frequency width in the scheduling resource unit used by the first access network device, so that the first access network can be made.
  • the device accurately determines the interference that the scheduling of the first access network device may cause to the second access network device.
  • FIG. 1 is a schematic structural diagram of a radio frame structure in the prior art
  • FIG. 2 is a schematic structural diagram of a resource grid in the prior art
  • FIG. 3 is a schematic structural diagram of a communication system according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of hardware of a mobile phone according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of hardware of a base station in an embodiment of the present application.
  • FIG. 7 is a schematic flowchart 1 of an interference coordination method according to an embodiment of the present application.
  • FIG. 8 is a second schematic flowchart of an interference coordination method according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic flowchart 3 of an interference coordination method according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic flowchart 4 of an interference coordination method according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic flowchart 5 of an interference coordination method according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic flowchart 6 of an interference coordination method according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram 1 of an access network device according to an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram 2 of an access network device according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram 3 of an access network device according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram 1 of a core network device according to an embodiment of the present application.
  • FIG. 17 is a schematic structural diagram 2 of a core network device according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram 3 of a core network device according to an embodiment of the present disclosure.
  • the words “exemplary” or “such as” are used to mean an example, illustration, or illustration. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the present application should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of the words “exemplary” or “such as” is intended to present the concepts in a particular manner.
  • one radio frame is 10 milliseconds, and one radio frame is composed of 20 time slots, each time slot.
  • two consecutive time slots are one subframe, that is, one radio frame includes 10 subframes, and each subframe has a length of 1 millisecond.
  • each time slot includes 7 Orthogonal Frequency Division Multiplexing (OFDM) symbols; when the CP is an extended CP, each time slot contains 6 OFDM symbols.
  • OFDM Orthogonal Frequency Division Multiplexing
  • RE refers to a symbol in a time domain and a resource of a subcarrier in a frequency domain.
  • RBs Resources Blocks
  • the RB is used to describe the mapping of a certain physical channel to a resource unit, and one RB is composed of two PRBs.
  • Each eNB in the E-UTRAN accesses a Mobility Management Entity (MME) in the Evolved Packet Core (EPC) network through the S1 interface.
  • MME Mobility Management Entity
  • EPC Evolved Packet Core
  • Different eNBs in the E-UTRAN are connected through an X2 interface.
  • Each eNB is connected to at least one User Equipment (UE).
  • Figure 3 shows the network architecture of a communication system comprising an E-UTRAN and an EPC network.
  • the connection between the multiple devices may be a wireless connection.
  • a solid line is illustrated in FIG.
  • inter-cell interference coordination technology is generally adopted to reduce the influence of inter-cell interference.
  • the eNB A (serving the cell A) transmits the interference coordination information of the eNB A to the eNB B (serving the cell B) through the X2 interface (the scheduling resource unit used by the eNB A according to the eNB A) Generating interference coordination information of the eNB A, so that the eNB B determines the scheduling information of the eNB B according to the interference coordination information, so that the downlink transmission and/or the uplink transmission corresponding to the scheduling information of the eNB B are reduced as much as possible of the cell B and the cell A.
  • the interference between the two reaches the purpose of interference control.
  • the coverage of the cell A and the coverage of the cell B partially overlap.
  • the edge terminal device A1 of the cell A is located in the overlapping area of the cell A and the cell B
  • the edge terminal device B1 of the cell B is located in the scene of the overlapping area of the cell A and the cell B.
  • the eNB A and the A1 communicate with the frequency resource f1, and the eNB A transmits the interference coordination information of the eNB A corresponding to the frequency resource f1 to the eNB B through the X2 interface, so that the eNB B can determine the eNB B according to the interference coordination information of the eNB A.
  • B1 communicates using frequency resource f2, and f1 ⁇ f2, thus avoiding interference between downlink data transmissions of cell A and cell B.
  • the above method is only applicable to the scenario in which the scheduling resource unit used by the eNB A is the same as the scheduling resource unit used by the eNB B.
  • the fifth-generation Telecommunication (5G) new Radio (NR) system is required to meet mobile broadband enhancement, Massive Machine Type Communication (mMTC), ultra-low reliability and Ultra Reliable & Low Latency Communication (URLLC).
  • mMTC Massive Machine Type Communication
  • URLLC Ultra Reliable & Low Latency Communication
  • the key technology design of the NR system may adopt different channel coding methods, multiple access methods, signal waveforms and other advanced technologies.
  • the NR system can be deployed with spectrum resources below 6 GHz and spectrum resources above 6 GHz. In this way, the size of the scheduling resource unit of the eNB in the NR system will be more flexible.
  • an eNB may use at least one scheduling resource unit.
  • the data transmitted by different scheduling resource units on the same carrier may be multiplexed by using a frequency division multiplexing (FDM) method or a time division multiplexing (TDM) method.
  • FDM frequency division multiplexing
  • TDM time division multiplexing
  • the scheduling resource unit used by the eNB A is different from the scheduling resource unit used by the eNB B.
  • eNB A uses a scheduling resource unit 1 having a frequency domain of 180 kHz (kilohertz) and a time domain of 0.5 ms (milliseconds)
  • eNB B uses a scheduling resource unit 2 having a frequency domain of 360 kHz and a time domain of 0.25 ms.
  • the interference coordination information sent by the eNB A to the eNB B in the prior art is generated according to the scheduling resource unit used by the eNB A, and the eNB B
  • the scheduling resource unit used by the eNB A cannot be known. Therefore, the eNB B cannot accurately determine the scheduling information of the eNB B according to the interference coordination information of the eNB A that it acquires, so as to achieve the purpose of interference control.
  • the embodiment of the present application provides an interference coordination method, where a first access network device acquires coordination information for coordinating interference between a first access network device and a second access network device, and is used to indicate interference. Coordinating the reference information of the size of the resource unit, and the coordination information is determined according to the size of the interference coordination resource unit, so that the first access network device can learn that interference occurs between the first access network device and the second access network device. Degree. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • the interference coordination method provided by the embodiment of the present application is applied to the communication system shown in FIG.
  • the first access network device and the second access network device in the embodiment of the present application may be an eNB, and the terminal device may be a UE.
  • the UE in the embodiment of the present application may be: a mobile phone, a tablet computer, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), a netbook, a Personal Digital Assistant (PDA), and the like.
  • UMPC Ultra-Mobile Personal Computer
  • PDA Personal Digital Assistant
  • the UE shown in FIG. 3 may be a mobile phone.
  • the components of the mobile phone in the embodiment of the present application are specifically introduced in conjunction with FIG. 5 .
  • the mobile phone includes a processor 51, a radio frequency (RF) circuit 52, a power source 53, a memory 54, an input unit 55, a display unit 56, an audio circuit 57, and the like.
  • RF radio frequency
  • the structure of the mobile phone shown in FIG. 5 does not constitute a limitation to the mobile phone, and may include more or less components such as those shown in FIG. 5, or may be combined as shown in FIG. Some of the components may be different from the components shown in Figure 5.
  • the processor 51 is the control center of the handset, which connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 54, and invoking data stored in the memory 54, executing The phone's various functions and processing data, so that the overall monitoring of the phone.
  • processor 51 may include one or more processing units.
  • the processor 51 can integrate an application processor and a modem processor.
  • the application processor mainly processes an operating system, a user interface, an application, and the like; the modem processor mainly processes wireless communication.
  • the application processor and the modem processor described above may also be independently configured.
  • the RF circuit 52 can be used for transmitting and receiving information or during a call, and receiving and transmitting the signal. Specifically, after receiving the downlink information of the base station, the processing is performed by the processor 51. In addition, the uplink data is sent to the base station.
  • RF circuits include, but are not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • RF circuitry 52 can also communicate with other devices via wireless communication.
  • Wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile Communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division Multiple) Access, CDMA), Wideband Code Division Multiple Access (WCDMA), LTE, E-mail, Short Messaging Service (SMS), etc.
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • Code Division Multiple Access Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • E-mail Short Messaging Service
  • SMS Short Messaging Service
  • the mobile phone includes a power source 53 (such as a battery) for supplying power to various components.
  • a power source 53 such as a battery
  • the power source can be logically connected to the processor 51 through the power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the memory 54 can be used to store software programs and modules, and the processor 51 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 54.
  • the memory 54 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, image data, phone book, etc.).
  • memory 54 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • Input unit 55 can be used to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 55 can include a touch screen 551 as well as other input devices 552.
  • the touch screen 551 also referred to as a touch panel, can collect touch operations on or near the user (such as the operation of the user using a finger, a stylus, or the like on the touch screen 551 or near the touch screen 551), and according to The preset program drives the corresponding connection device.
  • the touch screen 551 may include two parts of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 51 is provided and can receive commands from the processor 51 and execute them.
  • the touch screen 551 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • Other input devices 552 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, power switch buttons, etc.).
  • the display unit 56 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 56 may include a display panel 561.
  • the display may be configured in the form of a liquid crystal display (LCD) or an organic light-emitting diode (OLED).
  • the touch screen 551 may cover the display panel 561, and when the touch screen 151 detects a touch operation thereon or nearby, it is transmitted to the processor 51 to determine the type of the touch event, and then the processor 51 displays the panel according to the type of the touch event. A corresponding visual output is provided on the 561.
  • the touch screen 551 and the display panel 561 are two independent components to implement the input and output functions of the mobile phone, in some embodiments, the touch screen 551 and the display panel 561 may be integrated to implement the mobile phone. Input and output functions.
  • An audio circuit 57, a speaker 571 and a microphone 572 are provided for providing an audio interface between the user and the handset.
  • the audio circuit 57 can transmit the converted electrical data of the received audio data to the speaker 171 for conversion to the sound signal output by the speaker 571; on the other hand, the microphone 572 converts the collected sound signal into an electrical signal, by the audio circuit 57. After receiving, it is converted to audio data, and the audio data is output to the RF circuit 52 for transmission to, for example, another mobile phone, or the audio data is output to the memory 54 for further processing.
  • the mobile phone may also include various sensors (such as a gyro sensor, a hygrometer sensor, an infrared sensor or a magnetometer sensor), a Wireless Fidelity (Wi-Fi) module, a Bluetooth module, and the like. Not shown in Figure 5.
  • sensors such as a gyro sensor, a hygrometer sensor, an infrared sensor or a magnetometer sensor
  • Wi-Fi Wireless Fidelity
  • the hardware structure of the eNB shown in FIG. 3 can be referred to the constituent components of the base station as shown in FIG. 6.
  • the base station includes: a baseband unit (BBU), a radio remote unit (RRU), and an antenna.
  • BBU baseband unit
  • RRU radio remote unit
  • the BBU and the RRU can be connected by using an optical fiber, and the RRU is further connected by a coaxial cable.
  • the power splitter (coupler) is connected to the antenna, generally one BBU can connect multiple RRUs.
  • the RRU can include four modules: a digital intermediate frequency module, a transceiver module, a power amplifier module, and a filtering module.
  • the digital intermediate frequency module is used for modulation and demodulation of optical transmission, digital up-conversion, digital-to-analog conversion, etc.; the transceiver module completes the conversion of the intermediate frequency signal to the radio frequency signal; and after the amplification of the power amplifier module and the filtering of the filtering module, the RF signal is transmitted through the antenna.
  • a digital intermediate frequency module is used for modulation and demodulation of optical transmission, digital up-conversion, digital-to-analog conversion, etc.
  • the transceiver module completes the conversion of the intermediate frequency signal to the radio frequency signal
  • the RF signal is transmitted through the antenna.
  • the BBU is used to complete the baseband processing functions (encoding, multiplexing, modulation, and spreading) of the Uu interface (ie, the interface between the terminal device and the base station), and between the Radio Network Controller (RNC) and the base station.
  • the interference coordination method provided by the embodiment of the present application is applicable to the following application scenarios in the communication system shown in FIG. :
  • the communication between the first access network device and the edge terminal device of the first cell uses at least two scheduling resource units (such as scheduling resource unit M and scheduling resource unit Q), second access network device and second
  • the communication between the edge terminal devices of the cell uses a scheduling resource unit (such as scheduling resource unit N), and the size of at least one of the scheduling resource unit M and the scheduling resource unit Q is different from the size of the scheduling resource unit N. .
  • the edge terminal device of the cell refers to a terminal device in which the signal strength of the received signal is less than a preset threshold.
  • the central terminal device of the cell refers to a terminal device in which the signal strength of the received signal is greater than or equal to a preset threshold.
  • At least one scheduling resource unit in the embodiment of the present application refers to at least one type of scheduling resource unit.
  • the communication between the first access network device and the edge terminal device of the first cell uses a scheduling resource unit (such as scheduling resource unit M), and the second access network device and the edge terminal device of the second cell
  • a scheduling resource unit such as scheduling resource unit M
  • the second access network device and the edge terminal device of the second cell uses a scheduling resource unit (such as scheduling resource unit N)
  • the size of the scheduling resource unit M is different from the size of the scheduling resource unit N.
  • the communication between the first access network device and the edge terminal device of the first cell uses a scheduling resource unit (such as scheduling resource unit M), and the second access network device and the edge terminal device of the second cell
  • the communication between the two uses at least two scheduling resource units (such as scheduling resource unit N and scheduling resource unit Y), and the size of at least one of the scheduling resource unit N and the scheduling resource unit Y is different from the size of the scheduling resource unit M .
  • the size of the scheduling resource unit used between the first access network device and the central terminal device of the first cell and the scheduling used between the first access network device and the edge terminal device of the first cell Resource units can be the same size or different.
  • the size of the scheduling resource unit used between the second access network device and the central terminal device of the second cell may be the same as the size of the scheduling resource unit used between the second access network device and the edge terminal device of the second cell, It can also be different.
  • the scheduling resource unit in the embodiment of the present application is a downlink data scheduling unit or an uplink data scheduling unit when the access network device and the terminal device communicate.
  • a scheduling resource unit is a time-frequency unit composed of resources including a certain frequency width and length of time.
  • a scheduling resource unit is a time-frequency unit composed of resources including a certain frequency width and length of time. Therefore, in the embodiment of the present application, the scheduling resource units of different sizes may refer to scheduling resource units with the same frequency width in the frequency domain but different time lengths in the time domain; or may refer to the same time length in the time domain, but the frequency is A scheduling resource unit having a different frequency width of the domain; or a scheduling resource having different frequency widths in the frequency domain and different time lengths in the time domain.
  • the embodiments of the present application aim to solve the problem of how to avoid inter-cell interference caused by different sizes of scheduling resource units. If there is interference between cells, communication between the edge terminal device of any cell and the access network device of the cell may be affected by communication between other access network devices and their edge terminal devices, or may affect other access. Communication between the network device and its edge terminal device. Therefore, the embodiment of the present application is mainly for communication between an access network device and an edge terminal device that provides services for the access network device.
  • FIG. 7 is a schematic flowchart of an interference coordination method provided by an embodiment of the present application, and the interference coordination method may be applied to the communication system shown in FIG. 3.
  • the interference coordination method includes:
  • the first access network device obtains coordination information and reference information.
  • the coordination information is used to coordinate interference between the second access network device and the first access network device, and the reference information is used to indicate the size of the interference coordination resource unit.
  • the coordination information is determined by the second access network device according to the size of the interference coordination resource unit.
  • the first access network device determines scheduling information of the first access network device according to the coordination information and the reference information.
  • the first access network device communicates with the terminal device of the first cell according to the determined scheduling information.
  • the coordination information in the embodiment of the present application includes at least one of an uplink OI, an extended uplink OI, an uplink HII, an RNTP, an enhanced RNTP, an ABS, a target UL-DL configuration, and a CoMP.
  • the uplink OI in the embodiment of the present application may indicate, in a bit bitmap manner, a time period from the second access network device determining the current coordination information to the second access network device updating the coordination information, and second.
  • the interference overload indication value of the access network device on each PRB Exemplarily, when the value of the uplink OI is "1", it represents interference overload; when the value of the uplink OI is "0", it means that the interference is not overloaded.
  • the uplink OI describes that each PRB used by the second access network device is interfered by other access network devices when the second access network device receives the signal.
  • the extended uplink OI in the embodiment of the present application indicates that the second access network device is in the relevant uplink time period from the time when the second access network device determines the current coordination information to the second access network device to update the coordination information next time. Interference overload indication value on each PRB of the frame. If the coordination information includes an extended uplink interference overload indication, the coordination information further includes information about the relevant uplink subframe.
  • the uplink HII in the embodiment of the present application may indicate, in a bit bitmap manner, a time period from before the second access network device determines the current coordination information to the second access network device to update the coordination information next time, and the second access
  • the high interference sensitive indication value of the network device on each PRB Exemplarily, when the value of the uplink HII is "1", it represents high interference sensitivity; when the value of the uplink HII is "0", it represents low interference sensitivity.
  • the uplink HII describes the sensitivity level of interference of other access network devices on each PRB used by the second access network device when the second access network device receives the signal. If the coordination information acquired by the first access network device includes the uplink HII, the first access network device needs to avoid scheduling the data of the edge terminal device it serves to the high-interference sensitive PRB.
  • the RNTP in the embodiment of the present application may indicate, by means of a bit bitmap, a time period from the second access network device determining the current coordination information to the second access network device updating the coordination information, the second access network. Whether the transmit power on each PRB used by the device is greater than the preset power preset.
  • the enhanced RNTP in the embodiment of the present application indicates that the second access network is configured on a configuration subframe within a time period from the second access network device determining the current coordination information to the second access network device next updating the coordination information. Whether the transmit power on each PRB used by the device is greater than a pre-configured threshold. If the coordination information includes enhanced RNTP, the coordination information also includes information about the associated configuration subframe.
  • the ABS in the embodiment of the present application may indicate that the null subframe is in the time period before the second access network device determines the current coordination information to the second access network device to update the coordination information in the bit bitmap manner.
  • the pattern on time The ABS describes the distribution of the transmission power of the second access network device in each subframe.
  • the target UL-DL configuration is used to indicate the allocation of the UL subframe and the DL subframe to be used within a time period from the second access network device determining the current coordination information to the second access network device next updating the coordination information. Than the configuration parameters.
  • the CoMP is used to indicate CoMP parameters on each scheduling resource unit PRB on a configuration subframe within a time period from the second access network device determining the current coordination information to the second access network device next updating the coordination information. . If the coordination information includes CoMP, the coordination information also includes information about the associated configuration subframe.
  • the method for the first access network device to obtain the coordination information is: the first access network device receives the coordination information sent by the second access network device; or the first access network device receives the first access network device and the Coordination information sent by the core network device to which the two access network devices are connected.
  • the coordination information is sent by the second access network device to the core network device.
  • the second access network device when there is a direct transmission interface between the first access network device and the second access network device, the second access network device sends the coordination information to the first access network device.
  • the second access network device sends coordination information to the core network device, and then the core network device sends the information to the first access network device. Coordinating information so that the first access network device obtains coordination information.
  • the coordination information is determined by the second access network device according to the size of the interference coordination resource unit. Specifically, the second access network device determines, according to the size of the interference coordination resource unit, a size of the resource unit corresponding to the information included in the coordination information. Exemplarily, if the size of the interference coordination resource unit is the length of time of the interference coordination resource unit, the coordination information is time-interference coordination information of the time length of each interference coordination resource unit; if the size of the interference coordination resource unit is interference coordination The frequency width of the resource unit, and the coordination information is interference coordination information on the frequency resource of the frequency width of each interference coordination resource unit.
  • the reference information in the embodiment of the present application is used to indicate the size of the interference coordination resource unit.
  • the foregoing coordination information is determined by the second access network device according to the size of the interference coordination resource unit.
  • the size of the interference coordination resource unit can be considered from the perspective of the time domain and/or the frequency domain.
  • the size of the interference coordinated resource unit refers to at least one of a length of time that interferes with the coordinated resource unit and a frequency width of the interference coordinated resource unit.
  • the size of the interference coordination resource refers to the frequency width of the interference coordination resource unit. If the coordination information includes enhanced RNTP, the size of the interference coordination resource unit refers to the length of time of the interference coordination resource unit and the frequency width of the interference coordination resource unit. If the coordination information includes the ABS, the size of the interference coordination resource refers to the length of time that the coordination resource unit is interfered.
  • the method for the first access network device to obtain the reference information is: the first access network device receives the reference information sent by the second access network device; or the first access network device receives the first access network device and the first The reference information sent by the core network device to which the second access network device is connected; or the first access network device determines the working frequency band of the second access network device, and according to the working frequency band and the preset of the second access network device
  • the relationship acquires reference information, where the preset relationship includes a correspondence between a working frequency band of the second access network device and reference information.
  • the reference information sent by the core network device to the first access network device may be used by the core network device to receive the reference information sent by the second access network device, or may be the reference information determined by the core network device itself.
  • the core network device can learn the scheduling resource unit used by each of the first access network device and the second access network device, and according to The scheduling unit used by each of the two determines a size of an interference coordination resource unit for coordinating interference between the first access network device and the second access network device, and uses the determined reference for indicating the size of the interference coordination resource unit
  • the information is sent to the first access network device and/or the second access network device.
  • the size of the interference coordination resource unit is used by the second access network device.
  • the time length of the scheduling resource unit with the shortest time length in the at least one scheduling resource unit, or the size of the interference coordination resource unit is the scheduling resource unit with the narrowest frequency width among the at least one scheduling resource unit used by the second access network device.
  • Frequency width, or the size of the interference coordination resource unit is the time length and frequency width of the scheduling resource unit with the smallest number of resource units RE included in the at least one scheduling resource unit used by the second access network device, or interference
  • the time length of the coordinated resource unit is equal to the minimum value of the length of time in the at least one scheduling resource unit used by the second access network device
  • the frequency width is equal to the frequency width of the at least one scheduling resource unit used by the second access network device
  • the minimum value, or the interference coordination resource unit size is based on the second access network device And a preset frequency band of the determined relationship, the correspondence between the predetermined relationship comprises a second operating band access network device and the reference information.
  • the communication between the second access network device and the terminal device of the second cell uses two scheduling resource units, one is a scheduling resource unit whose frequency domain resource size is B1 and the time domain resource size is T1.
  • the other is a scheduling resource unit whose frequency domain resource size is B2 and the time domain resource size is T2, and the time length of the interference coordination resource unit is min(T1, T2), or the frequency width of the interference coordination resource unit is min (B1) , B2), or the length of time to interfere with the coordination resource unit is min (T1, T2), and the frequency width is min (B1, B2).
  • the second access network device uses the scheduling resource unit 1 with a frequency domain of 15 kHz and a time domain of 0.5 ms, and a scheduling resource unit 2 with a frequency domain of 30 kHz and a time domain of 0.1 ms.
  • the length of the interference coordination resource unit is the length of time for scheduling the resource unit 2; if the coordination information indicates the second connection If the interference between the network access device and the first access network device is in the frequency domain, the frequency width of the interference coordination resource unit is the frequency width of the scheduling resource unit 1; if the coordination information indicates the second access network device and the first connection If there is interference between the network access devices on a timing frequency resource, the size of the interference coordination resource unit is the size of the scheduling resource unit with the smallest number of resource unit REs included in the two scheduling resource units.
  • the size of the interference coordination resource unit is used by the first access network device.
  • the time length of the scheduling resource unit with the shortest time length in the at least one scheduling resource unit, or the size of the interference coordination resource unit is the scheduling resource unit with the narrowest frequency width among the at least one scheduling resource unit used by the first access network device.
  • Frequency width, or the size of the interference coordination resource unit is the time length and frequency width of the scheduling resource unit with the smallest number of resource unit REs included in the at least one scheduling resource unit used by the first access network device, or interference
  • the time length of the coordinated resource unit is equal to the minimum value of the length of time in the at least one scheduling resource unit used by the first access network device
  • the frequency width is equal to the frequency width in the at least one scheduling resource unit used by the first access network device. Minimum value.
  • the communication between the first access network device and the terminal device of the first cell uses two scheduling resource units, one is a scheduling resource unit with a frequency domain resource size of B3 and a time domain resource size of T3.
  • the other is a scheduling resource unit with a frequency domain resource size of B4 and a time domain resource size of T4.
  • the time length of the interference coordination resource unit is min (T3, T4), or the frequency bandwidth of the interference coordination resource unit is min (B3). , B4), or the length of time to interfere with the coordination resource unit is min (T3, T4), and the frequency width is min (B3, B4).
  • the second access network device uses at least one scheduling resource unit
  • the at least one scheduling resource unit used by the first access network device is The at least one scheduling resource unit used by the two access network devices constitutes a set of scheduling resource units
  • the size of the interference coordinated resource unit is the length of the scheduling resource unit with the shortest time length in the set of scheduling resource units, or the interference coordination resource unit
  • the size is the frequency width of the scheduling resource unit with the narrowest frequency width in the set of scheduling resource units, or the size and frequency of the scheduling resource unit with the smallest number of resource unit REs included in the scheduling resource unit set.
  • the width, or the length of time of the interference coordination resource unit is equal to the minimum value of the length of time in the set of scheduling resource elements
  • the frequency width is equal to the minimum value of the frequency width in the set of scheduling resource elements.
  • the communication between the first access network device and the terminal device of the first cell uses two scheduling resource units, one is a scheduling resource unit with a frequency domain resource size of X1 and a time domain resource size of Y1.
  • the other is a scheduling resource unit whose frequency domain resource size is X2 and time domain resource size is Y2.
  • the communication between the second access network device and the terminal device of the second cell uses two scheduling resource units, one is a scheduling resource unit with a frequency domain resource size of X3 and a time domain resource size of Y3, and the other is a frequency.
  • the time length of the interference coordination resource unit is min (X1, X2, X3, X4), or the frequency of the interference coordination resource unit is min (Y1, Y2, Y3, Y4), or the length of the interference coordination resource unit is min (X1, X2, X3, X4), and the frequency width is min (Y1, Y2, Y3, Y4).
  • the size of the interference coordination resource unit can be used with the first access network device.
  • the size of the scheduling resource unit with the smallest time length and/or the narrowest frequency width in the scheduling resource unit corresponds to, or the size of the interference coordination resource unit may be the smallest in the scheduling resource unit used by the second access network device and/ Or the size of the scheduling resource unit with the narrowest frequency width corresponds to, or the size of the interference coordination resource unit may correspond to the size of the scheduling resource unit with the smallest time length and/or the narrowest frequency width in the set of scheduling resource units.
  • the interference situation of the second access network device to other access network devices may be represented in the most detailed manner, or the second access network device may be interfered by other access network devices.
  • the coordination information may include the second connection.
  • Load information of the network access device The load information of the second access network device is used to indicate a change in the transmit power of the second access network device.
  • the size of the interference coordination resource unit corresponds to the size of the scheduling resource unit with the smallest time length and/or the narrowest frequency width in the scheduling resource unit used by the second access network device, so that the first access network can be made. The device accurately determines the interference caused by the second access network device.
  • the load information of the second access network device may indicate that the transmit power of the second access network device is higher or lower than a preset power, and may also indicate that the second access network device changes with time.
  • the change of the transmit power may also indicate the change of the transmit power of the second access network device over time, and may also indicate the change of the transmit power of the second access network device as the time-frequency changes. happening.
  • the coordination information of the load information including the second access network device can accurately describe the second access The interference condition of the network device to the first access network device.
  • the first access network device can prevent the second access network device from providing the serving cell to the first connection when scheduling the data of the terminal device that the first access network device provides the service. Interference from the cell to which the network access device provides services.
  • the data of the terminal device that the first access network device provides for the service provided by the first access network device refers to the data of the terminal device that the first access network device sends or receives the service provided by the first access network device.
  • the load information of the second access network device in the embodiment of the present application includes the RNTP of the second access network device, the enhanced RNTP of the second access network device, the eIMTA configuration of the second access network device, and the second access network. At least one of an ABS of the device, a TDD configuration of the second access network device, and a CoMP configuration of the second access network device.
  • the coordination information may include The second access network device is interfered with the first information.
  • the first information may be used for the time distribution of the interference received by the second access network device, and may also be used to indicate the frequency interference of the second access network device, and may also be used for indicating The distribution of interference received by the second access network device in time and frequency.
  • the coordination information includes the first information
  • the first access network device when determining the scheduling information of the first access network device, the first access network device needs to avoid interference of the first access network device with the second access network device.
  • the size of the interference coordination resource unit corresponds to the size of the scheduling resource unit with the smallest time length and/or the narrowest frequency width in the scheduling resource unit used by the first access network device, so that the first access network can be made.
  • the device accurately determines the interference that the scheduling of the first access network device may cause to the second access network device.
  • the first information includes at least one of an HII of the second access network device and an OI of the second access network device and an extended uplink interference overload indication of the second access network device.
  • the first access network device and the second access network device are connected through an X2 interface, and the first access network device and the second access network device are connected to the core network device through the S1 interface. Therefore, in S700, the first access network device may obtain at least one of the coordination information and the reference information from the second access network device by using the X2 interface, or obtain the coordination information and the reference information from the core network device by using the S1 interface.
  • the coordination information may be obtained from the second access network device or the core network device, and after the first access network device determines the working frequency band of the second access network device, according to the second access network device
  • the working frequency band and the preset relationship are used to obtain the reference information, which is not specifically limited in this embodiment of the present application.
  • the preset relationship in the embodiment of the present application refers to a correspondence between a working frequency band and reference information.
  • the size of the interference coordination resource unit corresponding to the operating frequency band A1 is G1
  • the size of the interference coordination resource unit corresponding to the working frequency band A2 is G2, ...
  • the size of the interference coordination resource unit corresponding to the working frequency band An is Gn.
  • the first access network device may determine the reference information according to the preset relationship and the determined working frequency band of the second access network device.
  • the preset relationship between the working frequency band and the reference information is applicable to all access network devices.
  • the first access network device only needs to determine the working frequency band of the second access network device, and can determine the reference information corresponding to the working frequency band of the second access network device according to the preset relationship.
  • the coordination information acquired by the first access network device includes information about a working frequency band of the second access network device, and the first access network device may determine, according to the coordination information that is obtained by the first access network device, the second access network device.
  • the working frequency band of the second access network device may be determined in other manners, which is not specifically limited in this embodiment of the present application.
  • the first access network device determines the scheduling information of the first access network device according to the obtained coordination information and the reference information, that is, performs S701.
  • the first access network device is eNB-1, and eNB-1 provides service for cell 1.
  • the scheduling resource unit used by eNB-1 to communicate with the terminal device of cell 1 includes 12 subcarriers in the frequency domain, and each The subcarriers have a width of 15 kHz, and the time length of the scheduling resource unit in the time domain is 1 ms.
  • the second access network device is eNB-2, and eNB-2 provides service for cell 2.
  • the scheduling resource unit used by eNB-2 to communicate with the terminal device of cell 2 includes 12 subcarriers in the frequency domain, and the width of each subcarrier. It is 60 KHz, and the time length of the scheduling resource unit in the time domain is 0.25 ms.
  • the coordination information includes the RNTP of the eNB-2, and the coordination information is determined according to the frequency width of the interference coordination resource unit being 60 kHz.
  • the eNB-2 transmits coordination information (RNTP of eNB-2) and reference information (the frequency of the interference coordination resource unit is 60 KHz) to the eNB-1 through the X2 interface. After acquiring the coordination information and the reference information, the eNB-1 can accurately determine the transmission power of the eNB-2 on the frequency resource in units of 60 KHz before the next update of the RNTP, so that the eNB-1 can determine the eNB-1 and the cell 1.
  • the scheduling information used by the edge terminal device communication enables the eNB-1 to communicate with the edge terminal device of the cell 1 to avoid the interference of the eNB-2.
  • the first access network device communicates with the terminal device of the first cell according to the determined scheduling information, that is, S702 is performed. Specifically, the first access network device communicates with the edge terminal device of the first cell according to the determined scheduling information.
  • the first access network device in the embodiment of the present application may also obtain interference coordination priority information corresponding to the coordination information before determining the scheduling information. In this way, the first access network device can determine the scheduling information according to the coordination information, the reference information, and the interference coordination priority information.
  • the interference coordination priority information in the embodiment of the present application is used to indicate the service priority of the first access network device and the second access network device. If the service priority of the first access network device is higher than the service priority of the second access network device, the first access network device determines the first connection based on the scheduling resource unit used by the first access network device. The scheduling information of the network access device. If the service priority of the first access network device is lower than the service priority of the second access network device, the first access network device determines the first connection based on the scheduling resource unit used by the second access network device. The scheduling information of the network access device. In this way, the service of the access network device with higher service priority is effectively guaranteed.
  • the method for the first access network device to obtain the interference coordination priority information is similar to the method for the first access network device to obtain the coordination information.
  • the first access network device receives the interference coordination priority information sent by the second access network device; or the first access network device receives the interference coordination priority information sent by the core network device.
  • the first access network device can obtain at least one of the coordination information and the reference information from the second access network device through the X2 interface, and can also obtain the coordination information and the reference information from the core network device through the S1 interface. At least one of them. Therefore, the method for the first access network device to obtain the coordination information and the reference information may be:
  • the second access network device sends the coordination information to the first access network device, and sends the reference information to the first access network device.
  • the second access network device sends the coordination information to the core network device, and sends the reference information to the core network device. After receiving the coordination information, the core network device sends the coordination information to the first access network device; the core network device is After receiving the reference information, the reference information is sent to the first access network device.
  • the second access network device sends one of the coordination information and the reference information to the first access network device, and sends another one of the coordination information and the reference information to the core network device; the core network device receives the coordination information. And after the other of the reference information, the other one of the coordination information and the reference information is sent to the first access network device.
  • the second access network device or the core network device sends the coordination information to the first access network device; the first access network device determines the working frequency band of the second access network device, and according to the work of the second access network device
  • the frequency band and the preset relationship determine reference information, where the preset relationship includes a correspondence between a working frequency band of the second access network device and reference information.
  • the core network device determines the reference information; the core network device separately sends the determined reference information to the first access network device and the second access network device; and the second access network device determines according to the reference information sent by the core network device. Coordinating the information and transmitting the coordination information to the first access network device.
  • the S700 may be replaced with S800-S801.
  • the second access network device determines coordination information and reference information.
  • the second access network device sends a first message of the coordination information to the first access network device, and sends a second message of the reference information.
  • the first message and the second message may also be the same message or different messages.
  • the S700 may be replaced with S900-S902.
  • the second access network device determines coordination information and reference information.
  • the second access network device sends the coordination information to the core network device, and sends the reference information.
  • the core network device sends the coordination information and the reference information to the first access network device.
  • the core network device may send the coordination information and the reference information to the first access network device at the same time.
  • the coordination information may be sent first, and then the reference information may be sent.
  • the reference information may be sent first, and then the coordination information is sent. This is not specifically limited.
  • the above S700 may be replaced with S100-S102.
  • the second access network device determines coordination information and reference information.
  • the second access network device sends one of the coordination information and the reference information to the first access network device, and sends another one of the coordination information and the reference information to the core network device.
  • the core network device sends another one of the coordination information and the reference information to the first access network device.
  • the above S700 may be replaced with S110-S112.
  • the second access network device or the core network device sends the coordination information to the first access network device.
  • the second access network device determines the coordination information, so that the second access network device can directly send the coordination information to the first access network device, and can also send the coordination information to the core network device, so as to facilitate the core network device. Coordination information is sent to the first access network device.
  • the first access network device determines an operating frequency band of the second access network device.
  • the first access network device determines the reference information according to the working frequency band and the preset relationship of the second access network device.
  • the S700 may be replaced with S120-S12.
  • the core network device determines reference information.
  • the core network device sends reference information to the first access network device and the second access network device respectively.
  • the second access network device determines coordination information according to the reference information that is received by the second access network device.
  • the second access network device sends the coordination information to the first access network device.
  • the first access network device in the embodiment of the present application can obtain the reference information for indicating the size of the interference coordination resource unit, and can also obtain the information between the second access network device and the first access network device.
  • Coordination information of the interference, and the coordination information is determined according to the size of the interference coordination resource unit.
  • the first access network device can learn, according to the reference information and the coordination information, the degree of interference between the first access network device and the second access network device. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • An embodiment of the present application provides an access network device, where the access network device is configured to perform the steps performed by the first access network device or the second access network device in the foregoing interference coordination method.
  • the access network device provided by the embodiment of the present application may include a module corresponding to the corresponding step.
  • the embodiment of the present application may divide the function module into the access network device according to the foregoing method example.
  • each function module may be divided according to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and may be further divided in actual implementation.
  • FIG. 13 is a schematic diagram showing a possible structure of an access network device involved in the foregoing embodiment, in a case where each functional module is divided by corresponding functions.
  • the access network device includes an obtaining unit 120, a processing unit 121, and a transmitting unit 122.
  • the obtaining unit 120 is configured to instruct the access network device to perform S700 in FIG. 7.
  • the processing unit 121 is configured to support the access network device to perform S701 and S702 in FIG. 7.
  • the transmitting unit 122 is configured to support the access network device to execute S801 in FIG. 8, S901 in FIG. 9, S101 in FIG. 10, and S110 in FIG.
  • the access network device may further include a storage unit 123, where the storage unit 123 is configured to store coordination information and reference information, and may also be used to store software programs and application modules.
  • FIG. 14 shows a possible structural diagram of the access network device involved in the above embodiment.
  • the access network device includes: a processing module 130 and a communication module 131.
  • the processing module 130 is configured to control and manage the action of the access network device.
  • the processing module 130 is configured to support the access network device to perform S701 and S702 in FIG. 7, and/or used in the techniques described in this application. Other processes.
  • the communication module 131 is configured to support the access network device to communicate with other devices.
  • the communication module 131 is configured to support the access network device to perform S700 in FIG. 7, S801 in FIG. 8, S901 in FIG. 9, and FIG. S101 in the middle and S110 in Fig. 11.
  • the access network device may further include a storage module 132 for storing coordination information and reference information, and may also be used for storing program codes and data of the access network device.
  • the processing module 130 may be a processor or a controller, and may be, for example, a central processing unit (CPU) or a digital signal processor (DSP). It is possible to implement or perform various exemplary logical blocks, modules and circuits described in connection with the disclosure of the embodiments of the present application.
  • the communication module 131 can be a communication interface, a transceiver circuit or a transceiver, or the like.
  • the storage module 132 can be a memory.
  • the access network device involved in the embodiment of the present application may be the access network device shown in FIG.
  • the access network device includes a communication interface 140, a processor 141, and a memory 142.
  • the communication interface 140, the processor 141 and the memory 142 are connected by the system bus 143, and the mutual communication is completed.
  • the access network device When the access network device is in operation, the access network device performs the interference coordination method as shown in any of Figures 7-11.
  • the method of the interference coordination of the specific access network device refer to the related description in the foregoing embodiment shown in any of the figures in FIG. 7 to FIG. 11 , and details are not described herein again.
  • the communication interface 140 is used for communication with other devices and the like.
  • the memory 142 is configured to store coordination information and reference information, and can also be used to store software programs and application modules.
  • the processor 141 executes various functions of the access network device by running a software program stored in the memory 142 and an application module. Application and data processing.
  • the memory 142 may mainly include a storage program area 1420 and a storage data area 1421, wherein the storage program area 1420 may store an operating system, an application required for at least one function, such as sending coordination information, and the like; the storage data area 1421 may store coordination information and Reference Information.
  • the memory 142 may be a read-only memory (ROM), or other types of static storage devices that can store static information and instructions, a random access memory (RAM), or may store information and instructions.
  • ROM read-only memory
  • RAM random access memory
  • Other types of dynamic storage devices which may also be Electrically Erasable Programmable Read-Only Memory (EEPROM), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing instructions or
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing instructions or
  • the desired program code in the form of a data structure and any other medium that can be accessed by the access network device, but is not limited thereto.
  • Memory 142 may be present independently and coupled to processor 141 via system bus 143.
  • the memory 142 can also be integrated with the processor 141.
  • the processor 141 is a control center of the access network device.
  • the processor 141 connects various portions of the entire access network device using various interfaces and lines, performs access by running or executing software programs and/or application modules stored in the memory 142, and invoking data stored in the memory 142.
  • the network device has various functions and processing data to perform overall monitoring of the access network device.
  • the processor 141 may include one or more CPUs, for example, the processor 141 in FIG. 15 includes a CPU 0 and a CPU 1.
  • the system bus 143 can be divided into an address bus, a data bus, a control bus, and the like. For the sake of clarity in the embodiments of the present application, various buses are illustrated as the system bus 143 in FIG.
  • the embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium includes one or more program codes; when the processor of the access network device executes the program code, the access network The device performs the interference coordination method as shown in any of Figures 7-11.
  • An embodiment of the present application provides an access network device, where the access network device is a first access network device.
  • the first access network device can obtain reference information for indicating the size of the interference coordination resource unit, and can also obtain coordination information for indicating interference between the second access network device and the first access network device, And the coordination information is determined according to the size of the interference coordination resource unit.
  • the first access network device can learn, according to the reference information and the coordination information, the degree of interference between the first access network device and the second access network device. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • the embodiment of the present application provides a core network device, where the core network device is configured to perform the steps performed by the core network device in the foregoing interference coordination method.
  • the core network device provided by the embodiment of the present application may include a module corresponding to the corresponding step.
  • the embodiment of the present application may divide the functional modules of the core network device according to the foregoing method. For example, each functional module may be divided according to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and may be further divided in actual implementation.
  • FIG. 16 shows a possible structural diagram of the core network device involved in the foregoing embodiment, in the case where the respective functional modules are divided by corresponding functions.
  • the core network device includes an obtaining unit 150 and a transmitting unit 151.
  • the obtaining unit 150 is configured to instruct the core network device to execute S901 in FIG. 9 and S101 in FIG.
  • the transmitting unit 151 is configured to support the core network device to execute S902 in FIG. 9, S102 in FIG. 10, and S110 in FIG. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional descriptions of the corresponding functional modules, and details are not described herein again.
  • the core network device may further include a storage unit 152 and a processing unit 153, where the storage unit 152 is configured to store a software program and an application module.
  • FIG. 17 shows a possible structural diagram of the core network device involved in the above embodiment.
  • the core network device includes a processing module 160 and a communication module 161.
  • the processing module 160 is configured to control and control the action of the core network device.
  • the processing module 160 is configured to support the core network device to forward to the first access network device after receiving the reference information or the coordination information, and/or Other processes for the techniques described herein.
  • the communication module 161 is configured to support the core network device to communicate with other devices.
  • the communication module 161 is configured to support the core network device to perform S901 and S902 in FIG. 9, S101 and S102 in FIG. 10, and S110 in FIG. .
  • the core network device may further include a storage module 162 for storing program code and data of the core network device.
  • the processing module 160 can be a processor or a controller, such as a CPU or a DSP. It is possible to implement or perform various exemplary logical blocks, modules and circuits described in connection with the disclosure of the embodiments of the present application.
  • the communication module 161 can be a communication interface, a transceiver circuit or a transceiver, or the like.
  • the storage module 162 can be a memory.
  • the core network device involved in the embodiment of the present application may be the core network device shown in FIG. 18.
  • the core network device includes a communication interface 170, a processor 171, and a memory 172.
  • the communication interface 170, the processor 171 and the memory 172 are connected by the system bus 173, and the mutual communication is completed.
  • the core network device When the core network device is running, the core network device performs the interference coordination method as shown in any of Figures 7-11.
  • the method of the interference coordination of the core network device refer to the related description in the foregoing embodiment shown in any of the figures in FIG. 7 to FIG. 11 , and details are not described herein again.
  • the communication interface 170 is used to communicate with other devices and the like.
  • the memory 172 is used to store software programs and application modules, and the processor 171 executes various functional applications and data processing of the core network devices by running software programs stored in the memory 172 and application modules.
  • the memory 172 may mainly include a storage program area 1720 and a storage data area 1721, wherein the storage program area 1720 may store an operating system, an application required for at least one function, such as forwarding coordination information, and the like; the storage data area 1721 may store the first connection. Information of the network access device and information of the second access network device.
  • the memory 172 may be a ROM, or other type of static storage device that can store static information and instructions, RAM or other types of dynamic storage devices that can store information and instructions, or EEPROM, disk storage media, or other magnetic storage.
  • Memory 172 may be present independently and coupled to processor 171 via system bus 173.
  • the memory 172 can also be integrated with the processor 171.
  • the processor 171 is the control center of the core network device.
  • the processor 171 connects various portions of the entire core network device using various interfaces and lines, performs core network devices by running or executing software programs and/or application modules stored in the memory 172, and invoking data stored in the memory 172.
  • the various functions and processing of data to provide overall monitoring of the core network devices.
  • the processor 171 may include one or more CPUs, for example, the processor 171 in FIG. 18 includes a CPU 0 and a CPU 1.
  • the system bus 173 can be divided into an address bus, a data bus, a control bus, and the like. For the sake of clarity in the embodiments of the present application, various buses are illustrated as the system bus 173 in FIG.
  • the embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium includes one or more program codes; when the processor of the core network device executes the program code, the core network device performs The interference coordination method shown in any of Figures 7-11.
  • the embodiment of the present application provides a core network device, where the core network device is connected to both the first access network device and the second access network device.
  • the first access network device can obtain reference information for indicating the size of the interference coordination resource unit, and can also obtain coordination information for indicating interference between the second access network device and the first access network device, And the coordination information is determined according to the size of the interference coordination resource unit.
  • the first access network device can learn, according to the reference information and the coordination information, the degree of interference between the first access network device and the second access network device. In this way, even if the size of the scheduling resource unit used by the first access network device is different from the size of the scheduling resource unit used by the second access network device, the first access network device can accurately determine according to the reference information and the coordination information. Scheduling information used by the first access network device to communicate with the terminal device, thereby avoiding interference between the cell served by the first access network device and the cell served by the second access network device, and implementing interference control the goal of.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the object of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a flash memory, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk, and the like, which can store program codes.

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Abstract

本申请提供一种干扰协调方法及装置,涉及通信技术领域,能够解决两个eNB的调度资源单元的大小不同的场景中,任一eNB无法根据另外一个eNB的干扰协调信息准确确定两个eNB之间的干扰情况,从而无法确定出该eNB的调度信息的问题。该干扰协调方法包括:第一接入网设备获取协调信息和参考信息,协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,参考信息用于指示干扰协调资源单元的大小,协调信息为根据干扰协调资源单元的大小确定的;第一接入网设备根据协调信息和参考信息,确定第一接入网设备的调度信息;第一接入网设备根据调度信息与终端设备通信。

Description

一种干扰协调方法及装置
本申请要求于2017年01月25日提交中国专利局、申请号为201710061328.8、发明名称为“一种干扰协调方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术领域,尤其涉及一种干扰协调方法及装置。
背景技术
在组网过程中,存在两个不同小区的覆盖范围重叠的场景。在该场景中,为2个小区(例如小区A和小区B)配置的边缘频率资源存在相同的情况。小区A的边缘终端设备和小区B的边缘终端设备在同一时间使用相同的边缘频率资源时,小区A的边缘终端设备的接入和业务会受到影响,小区B的边缘终端设备的接入和业务也会受到影响,即小区A与小区B之间产生干扰,影响了小区A的边缘用户和小区B的边缘用户的感受。
现有技术中,采用小区间干扰协调(Inter Cell Interference Coordination,ICIC)技术来避免小区间干扰。具体的,为小区A提供服务的演进式基站(evolved Node Base Station,eNB)A基于eNB A使用的调度资源单元生成eNB A的干扰协调信息,并通过X2接口向为小区B提供服务的eNB B发送该干扰协调信息,便于eNB B根据该干扰协调信息确定eNB B的调度信息,从而使得eNB B的调度尽可能避开eNB A的干扰,降低小区A与小区B之间的干扰。
上述方法中,由于eNB A的干扰协调信息是eNB A基于eNB A使用的调度资源单元生成的,因此,eNB B根据其获取到的干扰协调信息确定eNB B的调度信息,相当于eNB B是基于eNB A使用的调度资源单元确定eNB B的调度信息。但是,对于eNB A使用的调度资源单元的大小与eNB B使用的调度资源单元的大小不同的场景,eNB B无法获知eNB A使用的调度资源单元,因此,eNB B使用上述方法无法准确确定eNB A与eNB B之间的干扰情况,从而无法准确确定出的eNB B的调度信息。
发明内容
本申请提供一种干扰协调方法及装置,能够解决两个eNB的调度资源单元的大小不同的场景中,任一eNB无法根据另外一个eNB的干扰协调信息准确确定两个eNB之间的干扰情况,从而无法确定出该eNB的调度信息的问题。
第一方面,提供一种干扰协调方法,第一接入网设备获取根据干扰协调资源单元的大小确定的协调信息以及用于指示干扰协调资源单元的大小的参考信息,并根据获取到的协调信息和参考信息,确定第一接入网设备的调度信息;该第一接入网设备根据确定出的调度信息与终端设备通信。
本申请实施例中的第一接入网设备能够获取到用于指示干扰协调资源单元的大小的参考信息,还能够获取到用于指示第二接入网设备与第一接入网设备之间的干扰的协调信息,且该协调信息为根据干扰协调资源单元的大小确定的。第一接入网设备根 据参考信息以及协调信息能够获知第一接入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
可选的,在本申请实施例的一种可能的实现方式中,上述第一接入网设备获取参考信息的方法为:第一接入网设备接收第二接入网设备发送的参考信息;或者,第一接入网设备接收与该第一接入网设备和上述第二接入网设备均连接的核心网设备发送的参考信息;或者,第一接入网设备确定第二接入网设备的工作频带,并根据第二接入网设备的工作频带和预设关系获取参考信息,该预设关系包括第二接入网设备的工作频带和参考信息之间的对应关系。
可选的,在本申请实施例的另一种可能的实现方式中,第一接入网设备获取协调信息的方法为:第一接入网设备接收第二接入网设备发送的协调信息;或者,第一接入网设备接收与该第一接入网设备和上述第二接入网设备均连接的核心网设备发送的协调信息。
本申请实施例中的第一接入网设备可以从第二接入网设备获取协调信息和参考信息中的至少一个,也可以从核心网设备获取协调信息和参考信息中的至少一个。
可选的,在本申请实施例的另一种可能的实现方式中,本申请实施例提供的干扰协调方法还包括:第一接入网设备获取与协调信息对应的干扰协调优先级信息。这样,第一接入网设备可以根据协调信息、参考信息和干扰协调优先级信息,确定第一接入网设备的调度信息。
本申请实施例中的干扰协调优先级信息用于指示第一接入网设备和第二接入网设备的服务优先级。若第一接入网设备的服务优先级高于第二接入网设备的服务优先级,则第一接入网设备以第一接入网设备使用的调度资源单元为依据,确定第一接入网设备的调度信息。若第一接入网设备的服务优先级低于第二接入网设备的服务优先级,则第一接入网设备以第二接入网设备使用的调度资源单元为依据,确定第一接入网设备的调度信息。这样,有效的保证了服务优先级较高的接入网设备的业务。
可选的,在本申请实施例的另一种可能的实现方式中,第一接入网设备获取干扰协调优先级信息的方法具体为:第一接入网设备接收第二接入网设备发送的干扰协调优先级信息;或者,第一接入网设备接收上述核心网设备发送的干扰协调优先级信息。
第二方面,提供一种干扰协调方法,第二接入网设备在确定出用于指示干扰协调资源单元的大小的参考信息以及根据干扰协调资源单元的大小确定的协调信息之后,向第一接入网设备发送其确定出的参考信息和协调信息。这里,协调信息用于协调第二接入网设备与第一接入网设备之间的干扰。
本申请实施例中的参考信息用于指示干扰协调资源单元的大小的参考信息,协调信息用于指示第二接入网设备与第一接入网设备之间的干扰,且该协调信息为根据干扰协调资源单元的大小确定的。因此,第二接入网设备向第一接入网设备发送参考信息以及协调信息之后,第一接入网设备根据参考信息以及协调信息能够获知,第一接 入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
可选的,在本申请实施例的一种可能的实现方式中,第二接入网设备向第一接入网设备发送协调信息和参考信息的方法为:第二接入网设备向第一接入网设备发送协调信息,并向第一接入网设备发送参考信息;或者,第二接入网设备向核心网设备发送协调信息,并向核心网设备发送参考信息;或者,第二接入网设备向第一接入网设备发送协调信息和参考信息中的其中一个,并向核心网设备发送协调信息和参考信息中的另外一个。上述方法中,核心网设备与第一接入网设备和第二接入网设备均连接。
可以看出,本申请实施例中的第二接入网设备可以向第一接入网设备同时发送协调信息和参考信息;也可以向第一接入网设备先发送协调信息,后发送参考信息;还可以向第一接入网设备先发送参考信息,后发送协调信息。
同理,若第二接入网设备先向核心网设备发送协调信息和参考信息,则第二接入网设备可以向核心网设备同时发送协调信息和参考信息;也可以向核心网设备先发送协调信息,后发送参考信息;还可以向核心网设备先发送参考信息,后发送协调信息。同理,若核心网设备获取到协调信息和参考信息之后,可以向第一接入网设备同时发送协调信息和参考信息;也可以向第一接入网设备先发送协调信息,后发送参考信息;还可以向第一接入网设备先发送参考信息,后发送协调信息。
不论第二接入网设备是采用上述哪种方式向第一接入网设备发送协调信息和参考信息,第一接入网设备均可获取到第二接入网设备确定出的协调信息和参考信息,进而根据该协调信息和参考信息确定第一接入网设备的调度信息。
可选的,在本申请实施例的另一种可能的实现方式中,本申请实施例提供的干扰协调方法还包括:第二接入网设备确定与协调信息对应的干扰协调资源单元大小,干扰协调资源单元大小是根据所述第二接入网设备的工作频带和预设关系确定的。该预设关系包括第二接入网设备的工作频带和参考信息之间的对应关系。
可选的,在本申请实施例的另一种可能的实现方式中,本申请实施例提供的干扰协调方法还包括:第二接入网设备确定与协调信息对应的干扰协调优先级信息,并向第一接入网设备发送其确定出的干扰协调优先级信息。
第三方面,提供一种干扰协调方法,与第一接入网设备和第二接入网设备均连接的核心网设备在获取到包括协调信息和参考信息中的至少一项的通信信息之后,向第一接入网设备发送该通信信息。参考信息用于指示干扰协调资源单元的大小,协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,且协调信息为根据干扰协调资源单元的大小确定的。
本申请实施例中的参考信息用于指示干扰协调资源单元的大小的参考信息,协调信息用于指示第二接入网设备与第一接入网设备之间的干扰,且该协调信息为根据干扰协调资源单元的大小确定的。因此,第二接入网设备向第一接入网设备发送参考信息以及协调信息之后,第一接入网设备根据参考信息以及协调信息能够获知,第一接 入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
结合上述描述可知,核心网设备可以向第一接入网设备同时发送协调信息和参考信息;也可以向第一接入网设备先发送协调信息,后发送参考信息;还可以向第一接入网设备先发送参考信息,后发送协调信息。
可选的,在本申请实施例的一种可能的实现方式中,核心网设备获取通信信息的方法为:核心网设备接收第二接入网设备发送的通信信息。
可选的,在本申请实施例的另一种可能的实现方式中,通信信息包括参考信息,核心网设备获取通信信息的方法为:核心网设备确定参考信息。
可选的,在本申请实施例的另一种可能的实现方式中,通信信息包括参考信息,在核心网设备确定参考信息后,核心网设备还向第一接入网设备和第二接入网设备分别发送其确定的参考信息。
可选的,在本申请实施例的另一种可能的实现方式中,本申请实施例提供的干扰协调方法还包括:核心网设备确定与协调信息对应的干扰协调优先级信息,并向第一接入网设备发送干扰协调优先级信息。
第四方面,提供一种接入网设备,该接入网设备为第一接入网设备,该接入网设备包括获取单元和处理单元。
本申请实施例提供的各个单元模块所实现的功能具体如下:
上述获取单元,用于获取协调信息和参考信息,协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,参考信息用于指示干扰协调资源单元的大小,协调信息为根据干扰协调资源单元的大小确定的;上述处理单元,用于根据上述获取单元获取到的协调信息和参考信息,确定第一接入网设备的调度信息,以及用于根据调度信息与终端设备通信。
进一步地,在本申请实施例的一种实现方式中,干扰协调资源单元的大小为干扰协调资源单元的时间长度和干扰协调资源单元的频率宽度中的至少一项。
进一步地,在本申请实施例的另一种实现方式中,上述获取单元具体用于:接收第二接入网设备发送的参考信息;或者,接收核心网设备发送的参考信息,核心网设备与第一接入网设备和第二接入网设备均连接。上述处理单元,还用于确定第二接入网设备的工作频带;相应的,上述获取单元,具体用于根据第二接入网设备的工作频带和预设关系获取参考信息,该预设关系包括第二接入网设备的工作频带和参考信息之间的对应关系。
进一步地,在本申请实施例的另一种实现方式中,上述获取单元具体用于:接收第二接入网设备发送的协调信息;或者,接收核心网设备发送的协调信息,核心网设备与第一接入网设备和第二接入网设备均连接。
进一步地,在本申请实施例的另一种实现方式中,第二接入网设备使用至少一种调度资源单元,干扰协调资源单元的大小为至少一种调度资源单元中时间长度最短的 调度资源单元的时间长度,或者,干扰协调资源单元为至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元为至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度。
进一步地,在本申请实施例的另一种实现方式中,上述获取单元,还用于获取与协调信息对应的干扰协调优先级信息。
进一步地,在本申请实施例的另一种可能的实现方式中,上述获取单元具体用于:接收第二接入网设备发送的干扰协调优先级信息;或者,接收上述核心网设备发送的干扰协调优先级信息。
第五方面,提供一种接入网设备,该接入网设备为第一接入网设备,该接入网设备包括通信接口、处理器和存储器;其中,通信接口、处理器和存储器通过系统总线连接;存储器用于存储计算机指令,处理器用于执行存储器存储的计算机指令,以使接入网设备执行如上述第一方面及其各种实现方式所述的干扰协调方法。
第六方面,还提供一种计算机可读存储介质,该计算机可读存储介质包括一个或多个程序代码;当接入网设备的处理器在执行该程序代码时,该接入网设备执行如上述第一方面及其各种可能的实现方式所述的干扰协调方法。
本申请实施例第四方面、第五方面、第六方面及其各种实现方式的具体描述,可以参考第一方面及其各种实现方式中的详细描述。
第七方面,提供一种接入网设备,该接入网设备为第二接入网设备,该接入网设备包括处理单元和发送单元。
本申请实施例提供的各个单元模块所实现的功能具体如下:
上述处理单元,用于确定协调信息和参考信息,协调信息用于协调第二接入网设备与第一接入网设备之间的干扰,参考信息用于指示干扰协调资源单元的大小,协调信息为根据干扰协调资源单元的大小确定的;上述发送单元,用于向第一接入网设备发送上述处理单元确定的协调信息和参考信息。
进一步地,在本申请实施例的一种实现方式中,上述发送单元具体用于:向第一接入网设备发送协调信息,并向第一接入网设备发送参考信息;或者,第二接入网设备向核心网设备发送协调信息,并向核心网设备发送参考信息;或者,第二接入网设备向第一接入网设备发送协调信息和参考信息中的其中一个,并向核心网设备发送协调信息和参考信息中的另外一个;其中,核心网设备与第一接入网设备和第二接入网设备均连接。
进一步地,在本申请实施例的另一种实现方式中,干扰协调资源单元的大小为干扰协调资源单元的时间长度和干扰协调资源单元的频率宽度中的至少一项。
进一步地,在本申请实施例的另一种实现方式中,第二接入网设备使用至少一种调度资源单元,干扰协调资源单元的大小为至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元为至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元为至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度。
进一步地,在本申请实施例的另一种可能的实现方式中,上述处理单元,还用于确定与协调信息对应的干扰协调优先级信息;上述发送单元,还用于向第一接入网设 备发送上述处理单元确定出的干扰协调优先级信息。
第八方面,提供一种接入网设备,该接入网设备为第二接入网设备,该接入网设备包括通信接口、处理器和存储器;其中,通信接口、处理器和存储器通过系统总线连接;存储器用于存储计算机指令,处理器用于执行存储器存储的计算机指令,以使接入网设备执行如上述第二方面及其各种实现方式所述的干扰协调方法。
第九方面,还提供一种计算机可读存储介质,该计算机可读存储介质包括一个或多个程序代码;当接入网设备的处理器在执行该程序代码时,该接入网设备执行如上述第二方面及其各种可能的实现方式所述的干扰协调方法。
本申请实施例第七方面、第八方面、第九方面及其各种实现方式的具体描述,可以参考第二方面及其各种实现方式中的详细描述。
在本申请实施例中,上述接入网设备的名字对设备或功能模块本身不构成限定,在实际实现中,这些设备或功能模块可以以其他名称出现。只要各个设备或功能模块的功能和本申请实施例类似,属于本申请实施例权利要求及其等同技术的范围之内。
第十方面,提供一种核心网设备,该核心网设备包括获取单元和发送单元。
本申请实施例提供的各个单元模块所实现的功能具体如下:
上述获取单元,用于获取通信信息,通信信息包括协调信息和参考信息中的至少一项,协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,参考信息用于指示干扰协调资源单元的大小,协调信息为根据干扰协调资源单元的大小确定的,核心网设备与第一接入网设备和第二接入网设备均连接;上述发送单元,用于向第一接入网设备发送获取单元获取到的通信信息。
进一步地,在本申请实施例的一种实现方式中,上述获取单元,具体用于接收第二接入网设备发送的通信信息。
进一步地,在本申请实施例的另一种可能的实现方式中,通信信息包括参考信息,上述获取单元具体确定参考信息。
进一步地,在本申请实施例的另一种可能的实现方式中,通信信息包括参考信息,上述发送单元还用于在上述获取单元确定出参考信息之后,向第一接入网设备和第二接入网设备分别发送参考信息。
进一步地,在本申请实施例的另一种可能的实现方式中,核心网设备还包括处理单元,该处理单元用于确定与上述获取单元获取到的协调信息对应的干扰协调优先级信息;上述发送单元,还用于向第一接入网设备发送干扰协调优先级信息。
第十一方面,提供一种核心网设备,该核心网设备包括通信接口、处理器和存储器;其中,通信接口、处理器和存储器通过系统总线连接;存储器用于存储计算机指令,处理器用于执行存储器存储的计算机指令,以使核心网设备执行如上述第三方面及其各种实现方式所述的干扰协调方法。
第十二方面,还提供一种计算机可读存储介质,该计算机可读存储介质包括一个或多个程序代码;当核心网设备的处理器在执行该程序代码时,该核心网设备执行如上述第三方面及其各种可能的实现方式所述的干扰协调方法。
在本申请实施例中,上述核心网设备的名字对设备或功能模块本身不构成限定,在实际实现中,这些设备或功能模块可以以其他名称出现。只要各个设备或功能模块 的功能和本申请实施例类似,属于本申请实施例权利要求及其等同技术的范围之内。
本申请实施例第十方面、第十一方面、第十二方面及其各种实现方式的具体描述,可以参考第三方面及其各种实现方式中的详细描述。
可选的,上述各个方面及其各种可能的实现方式中,干扰协调资源单元的大小为干扰协调资源单元的时间长度和干扰协调资源单元的频率宽度中的至少一项。
干扰协调资源单元的大小是指干扰协调资源单元的粒度,干扰协调资源单元的粒度可以仅考虑时域,也可以仅考虑频域,还可以综合考虑时域和频域。
可选的,上述各个方面及其各种可能的实现方式中,第二接入网设备使用至少一种调度资源单元,则干扰协调资源单元的大小为第二接入网设备使用的至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元为第二接入网设备使用的至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元为第二接入网设备使用的至少一种调度资源单元中包括的资源单元(Resource Element,RE)的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于第二接入网设备使用的至少一种调度资源单元中时间长度的最小值,且频率宽度等于第二接入网设备使用的至少一种调度资源单元中频率宽度的最小值,或者,干扰协调资源单元大小是根据第二接入网设备的工作频带和预设关系确定的,该预设关系包括第二接入网设备的工作频带和参考信息之间的对应关系。
可选的,上述各个方面及其各种可能的实现方式中,第一接入网设备使用至少一种调度资源单元,则干扰协调资源单元的大小为第一接入网设备使用的至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元为第一接入网设备使用的至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元为第一接入网设备使用的至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于第一接入网设备使用的至少一种调度资源单元中时间长度的最小值,且频率宽度等于第一接入网设备使用的至少一种调度资源单元中频率宽度的最小值。
可选的,上述各个方面及其各种可能的实现方式中,第一接入网设备使用的至少一种调度资源单元与第二接入网设备使用的至少一种调度资源单元组成调度资源单元集合,则干扰协调资源单元的大小为调度资源单元集合中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元为调度资源单元集合中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元为调度资源单元集合中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于调度资源单元集合中时间长度的最小值,且频率宽度等于调度资源单元集合中频率宽度的最小值。
可以看出,若干扰协调资源单元的大小为干扰协调资源单元的时间长度,则干扰协调资源单元的大小为至少一种调度资源单元中时间长度最短的调度资源单元的时间长度。
若干扰协调资源单元的大小为干扰协调资源单元的频率宽度,则干扰协调资源单 元的大小为至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度。
若干扰协调资源单元的大小为干扰协调资源单元的时间长度和频率宽度,则干扰协调资源单元的大小为至少一种调度资源单元中包括资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于至少一种调度资源单元中时间长度的最小值,且频率宽度等于至少一种调度资源单元中频率宽度的最小值。
可选的,上述各个方面及其各种可能的实现方式中,在干扰协调资源单元的大小与第二接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应时,协调信息包括第二接入网设备的负载信息。该负载信息用于指示第二接入网设备的发送功率的变化情况。
具体的,第二接入网设备的负载信息可以指示第二接入网设备的发送功率高于或低于某一预设功率。例如,第二接入网设备的负载信息包括第二接入网设备的相对窄带发送功率(Relative Narrowband Tx Power,RNTP)。RNTP可以通过比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备使用的每个物理资源块(Physical Resource Block,PRB)上的发送功率是否大于预设功率。
第二接入网设备的负载信息也可以指示随着时间的变化,第二接入网设备的发送功率的变化情况。例如,第二接入网设备的负载信息包括第二接入网设备的增强干扰管理业务自适应(Enhanced Interference Management Service Adaptation,eIMTA)配置、第二接入网设备的几乎空子帧(Almost Blank Subframe,ABS)、第二接入网设备的目标时分双工(Time Division Duplexing,TDD)配置,第二接入网设备的协同多点传输(Coordinated Multiple Points,CoMP)配置中的至少一个。第二接入网设备的eIMTA、ABS、TDD配置、CoMP配置各自均表示第二接入网设备在哪些子帧上发送信息。
第二接入网设备的负载信息还可以指示随着频率的变化,第二接入网设备的发送功率的变化情况。例如,第二接入网设备的负载信息包括第二接入网设备的RNTP。
第二接入网设备的负载信息还可以指示随着时频的变化,第二接入网设备的发送功率的变化情况。例如,第二接入网设备的负载信息包括增强RNTP。增强RNTP指示在从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内的配置子帧上,第二接入网设备使用的每个PRB上的发送功率是否大于预先配置的门限值。这种场景中,协调信息还包括相关的配置子帧的位置信息。
在协调信息包括第二接入网设备的负载信息的情况下,第一接入网设备在确定第一接入网设备的调度信息时,需保证第一接入网设备的调度可以避免受到第二接入网设备的干扰。在这种情况下,干扰协调资源单元的大小与第二接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,可以使第一接入网设备准确确定第二接入网设备对其造成的干扰。
可选的,上述各个方面及其各种可能的实现方式中,在干扰协调资源单元的大小与第一接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应时,协调信息包括指示第二接入网设备受到干扰的第一信息。具体的,第一信息可以指示第二接入网设备受到的干扰在时间上的分布,还可以指示第二 接入网设备受到的干扰在频率上的分布。
可选的,第一信息包括上行干扰过载指示(Overload Indication,OI),该上行OI可以采用比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备在每个PRB上的干扰过载指示值。上行OI的数值为“1”时,代表干扰过载;上行OI的数值为“0”时,代表干扰未过载。上行OI描述了第二接入网设备接收信号时,第二接入网设备使用的每个PRB受到其他接入网设备的干扰。
可选的,第一信息包括上行高干扰信息(High Interference Information,HII),该上行HII可以采用比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备在每个PRB上的高干扰灵敏指示值。上行HII的数值为“1”时,代表高干扰灵敏;上行HII的数值为“0”时,代表低干扰灵敏。上行HII描述了第二接入网设备接收信号时,第二接入网设备使用的每个PRB上受到其他接入网设备的干扰的灵敏度水平。
第一信息还可以指示第二接入网设备受到的干扰在时频上的分布。例如,第一信息包括扩展上行干扰过载指示OI,该扩展上行OI表示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备在相关上行子帧的每个PRB上的干扰过载指示值。这种场景中,协调信息还包括相关的上行子帧的信息。
在协调信息包括第一信息的情况下,第一接入网设备在确定第一接入网设备的调度信息时,需尽量避免第一接入网设备对第二接入网设备的干扰。在这种情况下,干扰协调资源单元的大小与第一接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,可以使第一接入网设备准确确定第一接入网设备的调度可能对第二接入网设备造成的干扰。
本申请实施例的这些方面或其他方面在以下的描述中会更加简明易懂。
附图说明
图1为现有技术中无线帧结构的结构示意图;
图2为现有技术中资源格的结构示意图;
图3为本申请实施例提供的通信系统的结构示意图;
图4为现有技术提供的干扰协调方法的示意图;
图5为本申请实施例中手机的硬件结构示意图;
图6为本申请实施例中基站的硬件结构示意图;
图7为本申请实施例提供的干扰协调方法的流程示意图一;
图8为本申请实施例提供的干扰协调方法的流程示意图二;
图9为本申请实施例提供的干扰协调方法的流程示意图三;
图10为本申请实施例提供的干扰协调方法的流程示意图四;
图11为本申请实施例提供的干扰协调方法的流程示意图五;
图12为本申请实施例提供的干扰协调方法的流程示意图六;
图13为本申请实施例提供的接入网设备的结构示意图一;
图14为本申请实施例提供的接入网设备的结构示意图二;
图15为本申请实施例提供的接入网设备的结构示意图三;
图16为本申请实施例提供的核心网设备的结构示意图一;
图17为本申请实施例提供的核心网设备的结构示意图二;
图18为本申请实施例提供的核心网设备的结构示意图三。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行详细地描述。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别不同对象,而不是用于限定特定顺序。
其中,本申请实施例中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。
在本申请实施例中,“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言,使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
如图1所示,在演进的UMTS陆地无线接入网(Evolved UMTS Terrestrial Radio Access Network,E-UTRAN)中,一个无线帧为10毫秒,一个无线帧由20个时隙组成,每个时隙为0.5毫秒,两个连续的时隙为一个子帧,也就是说,一个无线帧包括10个子帧,每个子帧的长度为1毫秒。
每个子帧内包含的正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号的数量根据循环前缀(英文:Cyclic Prefix,简称:CP)的长度不同而不同。当CP为普通CP时,每个时隙包含7个正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号;当CP为扩展CP时,每个时隙包含6个OFDM符号。
如图2所示,RE是指一个时域上的符号和频域上的子载波的资源。每个RE由一个时隙中的索引对(k,l)来标识,其中,k=0,......,
Figure PCTCN2018073270-appb-000001
l=0,......,
Figure PCTCN2018073270-appb-000002
k和l分别是在频域和时域上的索引。
Figure PCTCN2018073270-appb-000003
代表下行带宽包括的资源块(英文:Resources Block,简称:RB)个数,
Figure PCTCN2018073270-appb-000004
代表一个RB包括的子载波个数,
Figure PCTCN2018073270-appb-000005
代表一个时隙包括的OFDM符号个数。每个时隙内包含的OFDM符号的数量
Figure PCTCN2018073270-appb-000006
取决于循环前缀的长度和子载波的间隔,RB用于描述某一个物理信道到资源单元的映射,一个RB由两个PRB组成。
E-UTRAN中的每个eNB均通过S1接口接入组核心演进(The Evolved Packet Core,EPC)网中的移动性管理实体(Mobility Management Entity,MME)。E-UTRAN中的不同的eNB之间通过X2接口连接。每个eNB均与至少一个终端设备(User Equipment,UE)连接。图3示出了包括E-UTRAN和EPC网的通信系统的网络架构。在实际应用中上述多个设备之间的连接可以为无线连接,为了方便直观地表示各个设备之间的连接关系,图3中采用实线示意。
现有的通信系统中,若小区A与小区B的覆盖范围重叠,则小区A与小区B之间存在上行信号的干扰和/或下行信号的干扰,导致系统上行吞吐量和/或下行吞吐量受到影响。现有技术中,通常采用小区间干扰协调技术来降低小区间干扰的影响。
现有的小区间干扰协调技术中,eNB A(为小区A提供服务)通过X2接口向eNB B(为小区B提供服务)发送eNB A的干扰协调信息(eNB A根据eNB A使用的调度资源单元生成eNB A的干扰协调信息),便于eNB B根据该干扰协调信息确定eNB B的调度信息,从而使得与eNB B的调度信息对应的下行传输和/或上行传输尽可能降低小区B和小区A的之间的干扰,达到干扰控制的目的。
示例性的,如图4所示,小区A的覆盖范围和小区B的覆盖范围部分重叠。小区A的边缘终端设备A1位于小区A和小区B的重叠区域,且小区B的边缘终端设备B1位于小区A和小区B的重叠区域的场景中。eNB A与A1使用频率资源f1通信,eNB A通过X2接口向eNB B发送与频率资源f1对应的eNB A的干扰协调信息,这样,eNB B即可根据eNB A的干扰协调信息确定该eNB B与B1使用频率资源f2通信,且f1≠f2,这样就避开了小区A与小区B下行数据传输之间的干扰。
但是,上述方法仅适用于eNB A使用的调度资源单元与eNB B使用的调度资源单元相同的场景。
第五代移动通信技术(The fifth-Generation Telecommunication,5G)新的广播(New Radio,NR)系统要求满足移动宽带增强、大规模的机器类型通信(Massive Machine Type Communication,mMTC)、超低可靠和低延迟通信(Ultra Reliable&Low Latency Communication,URLLC)。NR系统的关键技术设计可能采用和LTE不同的信道编码方式、多址接入方式、信号波形等先进技术。
根据对NR系统设计的工作场景,6吉赫兹(GHz)以下的频谱资源和6GHz以上的频谱资源都可以部署NR系统。这样,NR系统中eNB的调度资源单元的大小将更加灵活。NR系统中,eNB可以使用至少一种调度资源单元。对于同一载波上的不同调度资源单元传输的数据可以采用频分复用(Frequency Division Multiplexing,FDM)方式或者时分复用(Time Division Multiplexing,TDM)方式进行复用。
可以看出,在NR系统中会存在eNB A使用的调度资源单元与eNB B使用的调度资源单元不同的场景。例如,eNB A使用频域为180KHz(千赫兹)、时域为0.5ms(毫秒)的调度资源单元1,eNB B使用频域为360KHz、时域为0.25ms的调度资源单元2。
对于eNB A使用的调度资源单元与eNB B使用的调度资源单元不同的场景,由于现有技术中eNB A向eNB B发送的干扰协调信息是根据eNB A使用的调度资源单元生成的,而eNB B无法获知eNB A使用的调度资源单元,因此,eNB B无法根据其获取到的eNB A的干扰协调信息准确的确定eNB B的调度信息,以达到干扰控制的目的。
针对上述问题,本申请实施例提供一种干扰协调方法,第一接入网设备获取用于协调第一接入网设备与第二接入网设备之间的干扰的协调信息和用于指示干扰协调资源单元的大小的参考信息,且协调信息是根据干扰协调资源单元的大小确定的,这样,第一接入网设备能够获知第一接入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服 务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
本申请实施例提供的干扰协调方法应用于图3所示的通信系统。结合图3,本申请实施例中的第一接入网设备和第二接入网设备可以为eNB,终端设备可以为UE。
本申请实施例中的UE可以为:手机、平板电脑、笔记本电脑、超级移动个人计算机(Ultra-Mobile Personal Computer,UMPC)、上网本、个人数字助理(Personal Digital Assistant,PDA)等。
示例性的,在本申请实施例中,图3所示的UE可以为手机,下面结合图5对本申请实施例中的手机的各个构成部件进行具体的介绍。如图5所示,手机包括:处理器51,射频(Radio Frequency,RF)电路52、电源53、存储器54、输入单元55、显示单元56、音频电路57等部件。本领域技术人员可以理解,图5中示出的手机的结构并不构成对手机的限定,其可以包括比如图5所示的部件更多或更少的部件,或者可以组合如图5所示的部件中的某些部件,或者可以与如图5所示的部件布置不同。
处理器51是手机的控制中心,利用各种接口和线路连接整个手机的各个部分,通过运行或执行存储在存储器54内的软件程序和/或模块,以及调用存储在存储器54内的数据,执行手机的各种功能和处理数据,从而对手机进行整体监控。可选的,处理器51可包括一个或多个处理单元。可选的,处理器51可集成应用处理器和调制解调处理器。其中,应用处理器主要处理操作系统、用户界面和应用程序等;调制解调处理器主要处理无线通信。可选的,上述应用处理器和调制解调处理器也可以独立设置。
RF电路52可用于收发信息或通话过程中,信号的接收和发送,特别地,将基站的下行信息接收后,给处理器51处理;另外,将上行的数据发送给基站。通常,RF电路包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier,LNA)、双工器等。此外,RF电路52还可以通过无线通信与其他设备通信。无线通信可以使用任一通信标准或协议,包括但不限于全球移动通讯系统(Global System of Mobile Communication,GSM)、通用分组无线服务(General Packet Radio Service,GPRS)、码分多址(Code Division Multiple Access,CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、LTE、电子邮件、短消息服务(Short Messaging Service,SMS)等。
手机包括给各个部件供电的电源53(比如电池),可选的,电源可以通过电源管理系统与处理器51逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
存储器54可用于存储软件程序以及模块,处理器51通过运行存储在存储器54的软件程序以及模块,从而执行手机的各种功能应用以及数据处理。存储器54可主要包括存储程序区和存储数据区,其中,存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等;存储数据区可存储根据手机的使用所创建的数据(比如音频数据、图像数据、电话本等)等。此外,存储器54可以包括高速随机存取存储器,还可以包括非易失性存储器,例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元55可用于接收输入的数字或字符信息,以及产生与手机的用户设置以 及功能控制有关的键信号输入。具体地,输入单元55可包括触摸屏551以及其他输入设备552。触摸屏551,也称为触摸面板,可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触摸屏551上或在触摸屏551附近的操作),并根据预先设定的程式驱动相应的连接装置。可选的,触摸屏551可包括触摸检测装置和触摸控制器两个部分。其中,触摸检测装置检测用户的触摸方位,并检测触摸操作带来的信号,将信号传送给触摸控制器;触摸控制器从触摸检测装置上接收触摸信息,并将它转换成触点坐标,再送给处理器51,并能接收处理器51发来的命令并加以执行。此外,可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触摸屏551。其他输入设备552可以包括但不限于物理键盘、功能键(比如音量控制按键、电源开关按键等)等中的一种或多种。
显示单元56可用于显示由用户输入的信息或提供给用户的信息以及手机的各种菜单。显示单元56可包括显示面板561,可选的,可以采用液晶显示器(英文:Liquid Crystal Display,简称:LCD)、有机发光二极管(英文:Organic Light-emitting Diode,简称:OLED)等形式来配置显示面板561。进一步的,触摸屏551可覆盖显示面板561,当触摸屏151检测到在其上或附近的触摸操作后,传送给处理器51以确定触摸事件的类型,随后处理器51根据触摸事件的类型在显示面板561上提供相应的视觉输出。虽然,在图5中,触摸屏551与显示面板561是作为两个独立的部件来实现手机的输入和输出功能,但是在某些实施例中,可以将触摸屏551与显示面板561集成而实现手机的输入和输出功能。
音频电路57、扬声器571和麦克风572,用于提供用户与手机之间的音频接口。音频电路57可将接收到的音频数据转换后的电信号,传输到扬声器171,由扬声器571转换为声音信号输出;另一方面,麦克风572将收集的声音信号转换为电信号,由音频电路57接收后转换为音频数据,再将音频数据输出至RF电路52以发送给比如另一手机,或者将音频数据输出至存储器54以便进一步处理。
可选的,手机还可以包括各种传感器(如陀螺仪传感器、湿度计传感器、红外线传感器或磁力计传感器)、无线保真(Wireless Fidelity,Wi-Fi)模块、蓝牙模块等。图5中并未示出。
示例性的,如图3所示的eNB的硬件结构可以参见如图6中所示的基站的构成部件。如图6所示,基站包括:基带处理单元(Base Band Unit,BBU)、射频拉远单元(Radio Remote Unit,RRU)和天线,BBU和RRU之间可以用光纤连接,RRU再通过同轴电缆及功分器(耦合器)连接至天线,一般一个BBU可以连接多个RRU。
RRU可以包括4个模块:数字中频模块、收发信机模块、功放模块和滤波模块。数字中频模块用于光传输的调制解调、数字上下变频、数模转换等;收发信机模块完成中频信号到射频信号的变换;再经过功放模块放大以及滤波模块滤波后,将射频信号通过天线发射出去。
BBU用于完成Uu接口(即终端设备与基站之间的接口)的基带处理功能(编码、复用、调制和扩频等)、无线网络控制器(Radio Network Controller,RNC)和基站之间的逻辑接口的接口功能、信令处理、本地和远程操作维护功能,以及基站系统的工作状态监控和告警信息上报功能等。
若第一接入网设备为第一小区提供服务,第二接入网设备为第二小区提供服务,则本申请实施例提供的干扰协调方法适用于图3所示的通信系统中以下应用场景:
(1)第一接入网设备与第一小区的边缘终端设备之间的通信使用至少两种调度资源单元(如调度资源单元M和调度资源单元Q),第二接入网设备与第二小区的边缘终端设备之间的通信使用一种调度资源单元(如调度资源单元N),且调度资源单元M和调度资源单元Q中的至少一个调度资源单元的大小与调度资源单元N的大小不同。
其中,小区的边缘终端设备是指小区中,接收信号的信号强度小于预设阈值的终端设备,小区的中心终端设备是指小区中,接收信号的信号强度大于或等于预设阈值的终端设备。
需要说明的是,本申请实施例中的至少一种调度资源单元是指调度资源单元的大小为至少一种。
(2)第一接入网设备与第一小区的边缘终端设备之间的通信使用一种调度资源单元(如调度资源单元M),第二接入网设备与第二小区的边缘终端设备之间的通信使用一种调度资源单元(如调度资源单元N),且调度资源单元M的大小与调度资源单元N的大小不同。
(3)第一接入网设备与第一小区的边缘终端设备之间的通信使用一种调度资源单元(如调度资源单元M),第二接入网设备与第二小区的边缘终端设备之间的通信使用至少两种调度资源单元(如调度资源单元N和调度资源单元Y),且调度资源单元N和调度资源单元Y中的至少一个调度资源单元的大小与调度资源单元M的大小不同。
上述任一应用场景中,第一接入网设备与第一小区的中心终端设备之间使用的调度资源单元的大小与第一接入网设备与第一小区的边缘终端设备之间使用的调度资源单元的大小可以相同,也可以不同。第二接入网设备与第二小区的中心终端设备之间使用的调度资源单元的大小与第二接入网设备与第二小区的边缘终端设备之间使用的调度资源单元的大小可以相同,也可以不同。
本申请实施例中的调度资源单元是接入网设备和终端设备通信时的下行数据调度单元或者上行数据调度单元。调度资源单元是由包括一定的频率宽度和时间长度的资源组成的时频单元。
调度资源单元是由包括一定的频率宽度和时间长度的资源组成的时频单元。因此,在本申请实施例中,大小不同的调度资源单元可以是指频域的频率宽度相同,但时域的时间长度不同的调度资源单元;或者可以是指时域的时间长度相同,但频域的频率宽度不同的调度资源单元;或者可以是指频域的频率宽度不同,时域的时间长度也不同的调度资源。
本申请实施例旨在解决如何避免调度资源单元的大小不同引发的小区间干扰的问题。若小区之间存在干扰,任一小区的边缘终端设备与该小区的接入网设备之间的通信会受到其他接入网设备与其边缘终端设备之间的通信的影响,或者会影响其他接入网设备与其边缘终端设备之间的通信。因此,本申请实施例主要是针对接入网设备与该接入网设备提供服务的边缘终端设备之间的通信。
本申请实施例以第一接入网设备为第一小区提供服务,第二接入网设备为第二小区提供服务为例进行说明。图7是本申请实施例提供的干扰协调方法的流程示意图,该干扰协调方法可以应用在图3所示的通信系统中。
参见图7,该干扰协调方法包括:
S700、第一接入网设备获取协调信息和参考信息。
协调信息用于协调第二接入网设备与第一接入网设备之间的干扰,参考信息用于指示干扰协调资源单元的大小。协调信息为第二接入网设备根据干扰协调资源单元的大小确定的。
S701、第一接入网设备根据协调信息和参考信息,确定第一接入网设备的调度信息。
S702、第一接入网设备根据其确定的调度信息与第一小区的终端设备通信。
可选的,本申请实施例中的协调信息包括上行OI、扩展上行OI、上行HII、RNTP、增强RNTP、ABS、目标UL-DL配置和CoMP中的至少一种。
其中,本申请实施例中的上行OI可以用比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备在每个PRB上的干扰过载指示值。示例性的,上行OI的数值为“1”时,代表干扰过载;上行OI的数值为“0”时,代表干扰未过载。上行OI描述了第二接入网设备接收信号时,第二接入网设备使用的每个PRB受到其他接入网设备的干扰。
本申请实施例中的扩展上行OI表示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备在相关上行子帧的每个PRB上的干扰过载指示值。若协调信息包括扩展上行干扰过载指示,则协调信息还包括相关的上行子帧的信息。
本申请实施例中的上行HII可以用比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备在每个PRB上的高干扰灵敏指示值。示例性的,上行HII的数值为“1”时,代表高干扰灵敏;上行HII的数值为“0”时,代表低干扰灵敏。上行HII描述了第二接入网设备接收信号时,第二接入网设备使用的每个PRB上受到其他接入网设备的干扰的灵敏度水平。若第一接入网设备获取到的协调信息包括上行HII,则第一接入网设备需要避免将其服务的边缘终端设备的数据调度到高干扰灵敏的PRB上。
本申请实施例中的RNTP可以通过比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,第二接入网设备使用的每个PRB上的发送功率是否大于预先配置的预设功率。
本申请实施例中的增强RNTP指示在从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内的配置子帧上,第二接入网设备使用的每个PRB上的发送功率是否大于预先配置的门限值。若协调信息包括增强RNTP,则协调信息还包括相关的配置子帧的信息。
本申请实施例中的ABS可以通过用比特位图的方式指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,几乎空子帧在时间上的图样。ABS描述了第二接入网设备的发送功率在每个子帧的分布。
目标UL-DL配置用于指示从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内,将要使用的UL子帧和DL子帧的配比的配置参数。
CoMP用于指示在从第二接入网设备确定当前的协调信息到第二接入网设备下次更新协调信息之前的时间段内的配置子帧上,每个调度资源单元PRB上的CoMP参数。若协调信息包括CoMP,则协调信息还包括相关的配置子帧的信息。
第一接入网设备获取协调信息的方法为:第一接入网设备接收第二接入网设备发送的协调信息;或者,第一接入网设备接收与该第一接入网设备和第二接入网设备均连接的核心网设备发送的协调信息,这里,协调信息为第二接入网设备向核心网设备发送的。
具体的,当第一接入网设备和第二接入网设备之间有直传的接口时,第二接入网设备向第一接入网设备发送协调信息。当第一接入网设备和第二接入网设备之间没有直传的接口时,第二接入网设备向核心网设备发送协调信息,然后,核心网设备向第一接入网设备发送协调信息,以便第一接入网设备获取协调信息。
可选的,协调信息为第二接入网设备根据干扰协调资源单元的大小确定的。具体的,第二接入网设备根据干扰协调资源单元的大小确定协调信息所包括的信息对应的资源单元的大小。示例性的,如果干扰协调资源单元的大小为干扰协调资源单元的时间长度,协调信息为每个干扰协调资源单元的时间长度的时间上的干扰协调信息;如果干扰协调资源单元的大小为干扰协调资源单元的频率宽度,协调信息为每个干扰协调资源单元的频率宽度的频率资源上的干扰协调信息。
本申请实施例中的参考信息用于指示干扰协调资源单元的大小。上述协调信息为第二接入网设备根据干扰协调资源单元的大小确定的。
干扰协调资源单元的大小可以从时域和/或频域角度考虑。干扰协调资源单元的大小是指干扰协调资源单元的时间长度和干扰协调资源单元的频率宽度中的至少一项。
示例性的,若协调信息包括RNTP,则干扰协调资源的大小指的是干扰协调资源单元的频率宽度。若协调信息包括增强RNTP,则干扰协调资源单元的大小指的是干扰协调资源单元的时间长度和干扰协调资源单元的频率宽度。若协调信息包括ABS,则干扰协调资源的大小指的是干扰协调资源单元的时间长度。
第一接入网设备获取参考信息的方法为:第一接入网设备接收第二接入网设备发送的参考信息;或者,第一接入网设备接收与该第一接入网设备和第二接入网设备均连接的核心网设备发送的参考信息;或者,第一接入网设备确定第二接入网设备的工作频带,并根据该第二接入网设备的工作频带和预设关系获取参考信息,该预设关系包括第二接入网设备的工作频带和参考信息之间的对应关系。
其中,核心网设备向第一接入网设备发送的参考信息可以为核心网设备接收第二接入网设备发送的参考信息,也可以为核心网设备自身确定的参考信息。
由于核心网设备与第一接入网设备和第二接入网设备均连接,因此,核心网设备可以获知第一接入网设备和第二接入网设备各自使用的调度资源单元,并根据二者各自使用的调度单元确定用于协调第一接入网设备和第二接入网设备之间干扰的干扰协调资源单元的大小,并将确定的用于指示干扰协调资源单元的大小的参考信息向第一 接入网设备和/或第二接入网设备发送。
可选的,对于干扰协调资源单元,在上述任意一种应用场景中,若第二接入网设备使用至少一种调度资源单元,则干扰协调资源单元的大小为第二接入网设备使用的至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元的大小为第二接入网设备使用的至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元的大小为第二接入网设备使用的至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于第二接入网设备使用的至少一种调度资源单元中时间长度的最小值,且频率宽度等于第二接入网设备使用的至少一种调度资源单元中频率宽度的最小值,或者,干扰协调资源单元大小是根据第二接入网设备的工作频带和预设关系确定的,该预设关系包括第二接入网设备的工作频带和参考信息之间的对应关系。
示例性的,若第二接入网设备与第二小区的终端设备之间的通信使用两种调度资源单元,一种是频域资源大小为B1、时域资源大小为T1的调度资源单元,另一种是频域资源大小为B2、时域资源大小为T2的调度资源单元,则干扰协调资源单元的时间长度为min(T1,T2),或者干扰协调资源单元的频率宽度为min(B1,B2),或者干扰协调资源单元的时间长度为min(T1,T2)、且频率宽度为min(B1,B2)。
示例性的,第二接入网设备使用频域为15KHz、时域为0.5ms的调度资源单元1和频域为30KHz、时域为0.1ms的调度资源单元2。若协调信息指示第二接入网设备与第一接入网设备之间在时域上存在干扰,则干扰协调资源单元的时间长度为调度资源单元2的时间长度;若协调信息指示第二接入网设备与第一接入网设备之间在频域上存在干扰,则干扰协调资源单元的频率宽度为调度资源单元1的频率宽度;若协调信息指示第二接入网设备与第一接入网设备之间在一定时频资源上存在干扰,则干扰协调资源单元的大小为这两种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的大小。
可选的,对于干扰协调资源单元,在上述任意一种应用场景中,若第一接入网设备使用至少一种调度资源单元,则干扰协调资源单元的大小为第一接入网设备使用的至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元的大小为第一接入网设备使用的至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元的大小为第一接入网设备使用的至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于第一接入网设备使用的至少一种调度资源单元中时间长度的最小值,且频率宽度等于第一接入网设备使用的至少一种调度资源单元中频率宽度的最小值。
示例性的,若第一接入网设备与第一小区的终端设备之间的通信使用两种调度资源单元,一种是频域资源大小为B3、时域资源大小为T3的调度资源单元,另一种是频域资源大小为B4、时域资源大小为T4的调度资源单元,则干扰协调资源单元的时间长度为min(T3,T4),或者干扰协调资源单元的频率宽度为min(B3,B4),或者干扰协调资源单元的时间长度为min(T3,T4)、且频率宽度为min(B3,B4)。
可选的,若第一接入网设备使用至少一种调度资源单元,第二接入网设备使用至少一种调度资源单元,且第一接入网设备使用的至少一种调度资源单元与第二接入网设备使用的至少一种调度资源单元组成调度资源单元集合,则干扰协调资源单元的大小为调度资源单元集合中时间长度最短的调度资源单元的时间长度,或者,干扰协调资源单元的大小为调度资源单元集合中频率宽度最窄的调度资源单元的频率宽度,或者,干扰协调资源单元的大小为调度资源单元集合中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,干扰协调资源单元的时间长度等于调度资源单元集合中时间长度的最小值,且频率宽度等于调度资源单元集合中频率宽度的最小值。
示例性的,若第一接入网设备与第一小区的终端设备之间的通信使用两种调度资源单元,一种是频域资源大小为X1、时域资源大小为Y1的调度资源单元,另一种是频域资源大小为X2、时域资源大小为Y2的调度资源单元。第二接入网设备与第二小区的终端设备之间的通信使用两种调度资源单元,一种是频域资源大小为X3、时域资源大小为Y3的调度资源单元,另一种是频域资源大小为X4、时域资源大小为Y4的调度资源单元,则干扰协调资源单元的时间长度为min(X1,X2,X3,X4),或者干扰协调资源单元的频率宽度为min(Y1,Y2,Y3,Y4),或者干扰协调资源单元的时间长度为min(X1,X2,X3,X4)、且频率宽度为min(Y1,Y2,Y3,Y4)。
可以看出,无论第一接入网设备使用的调度资源单元包括多少种,第二接入网设备使用的调度资源单元包括多少种,干扰协调资源单元的大小可以与第一接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,或者,干扰协调资源单元的大小可以与第二接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,或者,干扰协调资源单元的大小可以与调度资源单元集合中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应。这样可以最精细的表示第二接入网设备对其他接入网设备的干扰情况,或者表示第二接入网设备受到其他接入网设备的干扰情况。
结合上述描述,若干扰协调资源单元的大小与第二接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,则协调信息可以包括第二接入网设备的负载信息。第二接入网设备的负载信息用于指示第二接入网设备的发送功率的变化情况。在这种情况下,干扰协调资源单元的大小与第二接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,可以使第一接入网设备准确确定第二接入网设备对其造成的干扰。
可选的,第二接入网设备的负载信息可以指示第二接入网设备的发送功率高于或低于某一预设功率,也可以指示随着时间的变化,第二接入网设备的发送功率的变化情况,还可以指示随着时间的变化,第二接入网设备的发送功率的变化情况,还可以指示随着时频的变化,第二接入网设备的发送功率的变化情况。
由于第二接入网设备的负载信息用于指示第二接入网设备的发送功率的变化情况,因此,包含有第二接入网设备的负载信息的协调信息可以精确的描述第二接入网设备可能对第一接入网设备的干扰情况。这样,第一接入网设备在接收到该协调信息后,在调度该第一接入网设备提供服务的终端设备的数据时,可以避免第二接入网设 备提供服务的小区对第一接入网设备提供服务的小区的干扰。这里,第一接入网设备调度该第一接入网设备提供服务的终端设备的数据是指第一接入网设备发送或接收第一接入网设备提供服务的终端设备的数据。
本申请实施例中的第二接入网设备的负载信息包括第二接入网设备的RNTP、第二接入网设备的增强RNTP、第二接入网设备的eIMTA配置、第二接入网设备的ABS、第二接入网设备的TDD配置,第二接入网设备的CoMP配置中的至少一个。
结合上述描述,若干扰协调资源单元的大小与第一接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,则协调信息可以包括用于指示第二接入网设备受到干扰的第一信息。
可选的,第一信息可以用于第二接入网设备受到的干扰在时间上的分布,还可以用于指示第二接入网设备受到的干扰在频率上的分布,还可以用于指示第二接入网设备受到的干扰在时频上的分布。
在协调信息包括第一信息的情况下,第一接入网设备在确定第一接入网设备的调度信息时,需尽量避免第一接入网设备对第二接入网设备的干扰。在这种情况下,干扰协调资源单元的大小与第一接入网设备使用的调度资源单元中时间长度最小和/或频率宽度最窄的调度资源单元的大小对应,可以使第一接入网设备准确确定第一接入网设备的调度可能对第二接入网设备造成的干扰。
可选的,第一信息包括第二接入网设备的HII和第二接入网设备的OI、第二接入网设备的扩展上行干扰过载指示中的至少一个。
参见图3可知,第一接入网设备与第二接入网设备之间通过X2接口连接,第一接入网设备和第二接入网设备均通过S1接口与核心网设备连接。因此,在S700中,第一接入网设备可以通过X2接口从第二接入网设备获取协调信息和参考信息中的至少一项,也可以通过S1接口从核心网设备获取协调信息和参考信息中的至少一项,还可以从第二接入网设备或核心网设备获取协调信息,并在第一接入网设备确定第二接入网设备的工作频带后,根据第二接入网设备的工作频带和预设关系(工作频带与用于指示干扰协调资源单元的大小的参考信息之间的预设关系)获取参考信息,本申请实施例对此不作具体限定。
本申请实施例中的预设关系是指工作频带与参考信息之间的对应关系。例如工作频带A1对应干扰协调资源单元的大小为G1、工作频带A2对应干扰协调资源单元的大小为G2、……、工作频带An对应干扰协调资源单元的大小为Gn。第一接入网设备在确定出第二接入网设备的工作频带后,可根据该预设关系和确定出的第二接入网设备的工作频带确定出参考信息。
可选的,工作频带与参考信息之间的预设关系适用于所有的接入网设备。第一接入网设备只需确定第二接入网设备的工作频带,就可以根据预设关系确定出与第二接入网设备的工作频带对应的参考信息。
可选的,第一接入网设备获取到的协调信息中包括第二接入网设备的工作频带的信息,第一接入网设备可以根据其获取到的协调信息确定第二接入网设备的工作频带,也可以采用其他方式确定第二接入网设备的工作频带,本申请实施例对此不作具体限定。
具体的,第一接入网设备在获取到协调信息和参考信息之后,根据其获取到的协调信息和参考信息,确定第一接入网设备的调度信息,即执行S701。
示例性的,第一接入网设备为eNB-1,eNB-1为小区1提供服务,eNB-1与小区1的终端设备通信所使用的调度资源单元在频域上包括12个子载波,每个子载波的宽度为15KHz,且该调度资源单元在时域上的时间长度为1ms。第二接入网设备为eNB-2,eNB-2为小区2提供服务,eNB-2与小区2的终端设备通信所使用的调度资源单元在频域上包括12个子载波,每个子载波的宽度为60KHz,且该调度资源单元在时域上的时间长度为0.25ms。若eNB-2的工作带宽为20MHz(兆赫兹),协调信息包括eNB-2的RNTP,且该协调信息是根据干扰协调资源单元的频率宽度为60KHz确定的。eNB-2通过X2接口向eNB-1发送协调信息(eNB-2的RNTP)和参考信息(干扰协调资源单元的频率宽度为60KHz)。eNB-1获取到该协调信息和该参考信息后,可准确判断eNB-2在下次更新RNTP之前在以60KHz为单位的频率资源上的发送功率,从而eNB-1可以确定eNB-1与小区1的边缘终端设备通信所使用的调度信息,使得eNB-1与小区1的边缘终端设备通信避开eNB-2的干扰。
相应的,第一接入网设备确定出第一接入网设备的调度信息后,根据确定出的调度信息与第一小区的终端设备通信,即执行S702。具体的,第一接入网设备根据确定出的调度信息与第一小区的边缘终端设备通信。
此外,本申请实施例中的第一接入网设备在确定调度信息之前,还可以获取到与协调信息对应的干扰协调优先级信息。这样,第一接入网设备可以根据协调信息、参考信息和干扰协调优先级信息,确定调度信息。
本申请实施例中的干扰协调优先级信息用于指示第一接入网设备和第二接入网设备的服务优先级。若第一接入网设备的服务优先级高于第二接入网设备的服务优先级,则第一接入网设备以第一接入网设备使用的调度资源单元为依据,确定第一接入网设备的调度信息。若第一接入网设备的服务优先级低于第二接入网设备的服务优先级,则第一接入网设备以第二接入网设备使用的调度资源单元为依据,确定第一接入网设备的调度信息。这样,有效的保证了服务优先级较高的接入网设备的业务。
第一接入网设备获取干扰协调优先级信息的方法与第一接入网设备获取协调信息的方法类似。可选的,第一接入网设备接收第二接入网设备发送的干扰协调优先级信息;或者,第一接入网设备接收核心网设备发送的干扰协调优先级信息。
从上述描述可知,第一接入网设备可以通过X2接口从第二接入网设备获取协调信息和参考信息中的至少一项,也可以通过S1接口从核心网设备获取协调信息和参考信息中的至少一项。因此,第一接入网设备获取协调信息和参考信息的方法可以为:
一、第二接入网设备向第一接入网设备发送协调信息,并向第一接入网设备发送参考信息。
二、第二接入网设备向核心网设备发送协调信息,并向核心网设备发送参考信息;核心网设备在接收到协调信息后,向第一接入网设备发送协调信息;核心网设备在接收到参考信息后,向第一接入网设备发送参考信息。
三、第二接入网设备向第一接入网设备发送协调信息和参考信息中的其中一个,并向核心网设备发送协调信息和参考信息中的另外一个;核心网设备在接收到协调信 息和参考信息中的另外一个后,向第一接入网设备发送协调信息和参考信息中的另外一个。
四、第二接入网设备或核心网设备向第一接入网设备发送协调信息;第一接入网设备确定第二接入网设备的工作频带,并根据第二接入网设备的工作频带和预设关系确定参考信息,该预设关系包括第二接入网设备的工作频带与参考信息的对应关系。
五、核心网设备确定参考信息;核心网设备向第一接入网设备和第二接入网设备分别发送其确定出的参考信息;第二接入网设备根据核心网设备发送的参考信息确定协调信息,并向第一接入网设备发送该协调信息。
结合上述图7,如图8所示,对于上述第一种方法,上述S700可以替换为S800-S801。
S800、第二接入网设备确定协调信息和参考信息。
S801、第二接入网设备向第一接入网设备发送协调信息的第一消息,并发送参考信息的第二消息。
其中,第一消息和第二消息也可以为同一消息,也可以为不同的消息。
结合上述图7,如图9所示,对于上述第二种方法,上述S700可以替换为S900-S902。
S900、第二接入网设备确定协调信息和参考信息。
S901、第二接入网设备向核心网设备发送协调信息,并发送参考信息。
S902、核心网设备向第一接入网设备发送协调信息和参考信息。
其中,核心网设备可以同时向第一接入网设备发送协调信息和参考信息;也可以先发送协调信息,后发送参考信息;还可以先发送参考信息,后发送协调信息,本申请实施例对此不作具体限定。
结合上述图7,如图10所示,对于上述第三种方法,上述S700可以替换为S100-S102。
S100、第二接入网设备确定协调信息和参考信息。
S101、第二接入网设备向第一接入网设备发送协调信息和参考信息中的其中一个,并向核心网设备发送协调信息和参考信息中的另外一个。
S102、核心网设备向第一接入网设备发送协调信息和参考信息中的另外一个。
结合上述图7,如图11所示,对于上述第四种方法,上述S700可以替换为S110-S112。
S110、第二接入网设备或核心网设备向第一接入网设备发送协调信息。
参考上述描述可知,第二接入网设备确定协调信息,这样,第二接入网设备可直接向第一接入网设备发送协调信息,也可以向核心网设备发送协调信息,便于核心网设备向第一接入网设备发送协调信息。
S111、第一接入网设备确定第二接入网设备的工作频带。
S112、第一接入网设备根据第二接入网设备的工作频带和预设关系确定参考信息。
结合上述图7,如图12所述,对于上述第五种方法,上述S700可以替换为S120-S12
S120、核心网设备确定参考信息。
S121、核心网设备向第一接入网设备和第二接入网设备分别发送参考信息。
S122、第二接入网设备根据其接收到的参考信息确定协调信息。
S123、第二接入网设备向第一接入网设备发送协调信息。
本申请实施例中的第一接入网设备能够获取到用于指示干扰协调资源单元的大小的参考信息,还能够获取到用于指示第二接入网设备与第一接入网设备之间的干扰的协调信息,且该协调信息为根据干扰协调资源单元的大小确定的。第一接入网设备根据参考信息以及协调信息能够获知,第一接入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
本申请实施例提供一种接入网设备,该接入网设备用于执行以上干扰协调方法中的第一接入网设备或第二接入网设备所执行的步骤。本申请实施例提供的接入网设备可以包括相应步骤所对应的模块。
本申请实施例可以根据上述方法示例对接入网设备进行功能模块的划分,例如,可以对应各个功能划分各个功能模块,也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。本申请实施例中对模块的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。
在采用对应各个功能划分各个功能模块的情况下,图13示出了上述实施例中所涉及的接入网设备的一种可能的结构示意图。如图13所示,接入网设备包括获取单元120、处理单元121和发送单元122。获取单元120用于指示该接入网设备执行图7中的S700。处理单元121用于支持该接入网设备执行图7中的S701和S702。发送单元122用于支持该接入网设备执行图8中的S801、图9中的S901、图10中的S101以及图11中的S110。其中,上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述,在此不再赘述。其中,该接入网设备还可以包括存储单元123,该存储单元123用于存储协调信息以及参考信息,还可以用于存储软件程序以及应用模块。
在采用集成的单元的情况下,图14示出了上述实施例中所涉及的接入网设备的一种可能的结构示意图。如图14所示,该接入网设备包括:处理模块130和通信模块131。处理模块130用于对该接入网设备的动作进行控制管理,例如,处理模块130用于支持该接入网设备执行图7中的S701和S702,和/或用于本申请所描述的技术的其它过程。通信模块131用于支持该接入网设备与其他设备通信,例如,通信模块131用于支持该接入网设备执行图7中的S700、图8中的S801、图9中的S901、图10中的S101以及图11中的S110。该接入网设备还可以包括存储模块132,用于存储协调信息以及参考信息,还可以用于存储该接入网设备的程序代码和数据。
其中,处理模块130可以是处理器或控制器,例如可以是中央处理器(Central Processing Unit,CPU),数字信号处理器(Digital Signal Processor,DSP)。其可以实现或执行结合本申请实施例公开内容所描述的各种示例性的逻辑方框,模块和电路。通信模块131可以是通信接口、收发电路或收发器等。存储模块132可以是存储器。
当处理模块130为处理器,通信模块131为通信接口,存储模块132为存储器时, 本申请实施例所涉及的接入网设备可以为图14所示的接入网设备。
如图15所示,该接入网设备包括:通信接口140、处理器141和存储器142。其中,通信接口140、处理器141与存储器142之间通过系统总线143连接,并完成相互间通信。
当接入网设备运行时,该接入网设备执行如图7-图11中任一附图所示的干扰协调方法。具体的接入网设备的干扰协调方法可参见上述如图7-图11中任一附图所示的实施例中的相关描述,此处不再赘述。
其中,通信接口140用于与其他设备通信等。
其中,存储器142用于存储协调信息以及参考信息,还可以用于存储软件程序以及应用模块,处理器141通过运行存储在存储器142的软件程序以及应用模块,从而执行接入网设备的各种功能应用以及数据处理。
存储器142可主要包括存储程序区1420和存储数据区1421,其中,存储程序区1420可存储操作系统、至少一个功能所需的应用程序,比如发送协调信息等;存储数据区1421可存储协调信息以及参考信息。
其中,存储器142可以是只读存储器(Read-only Memory,ROM),或可存储静态信息和指令的其他类型的静态存储设备,随机存取存储器(Random Access Memory,RAM)或者可存储信息和指令的其他类型的动态存储设备,也可以是电可擦可编程只读存储器(Electrically Erasable Programmable Read-Only Memory,EEPROM)、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接入网设备存取的任何其他介质,但不限于此。
存储器142可以是独立存在,通过系统总线143与处理器141相连接。存储器142也可以和处理器141集成在一起。
处理器141是接入网设备的控制中心。处理器141利用各种接口和线路连接整个接入网设备的各个部分,通过运行或执行存储在存储器142内的软件程序和/或应用模块,以及调用存储在存储器142内的数据,执行接入网设备的各种功能和处理数据,从而对接入网设备进行整体监控。
在具体实现中,作为一种实施例,处理器141可以包括一个或多个CPU,例如图15中的处理器141包括CPU 0和CPU 1。
系统总线143可以分为地址总线、数据总线、控制总线等。本申请实施例中为了清楚说明,在图15中将各种总线都示意为系统总线143。
相应的,本申请实施例还提供一种计算机可读存储介质,该计算机可读存储介质包括一个或多个程序代码;当接入网设备的处理器在执行该程序代码时,该接入网设备执行如图7-图11中任一附图所示的干扰协调方法。
本申请实施例提供一种接入网设备,该接入网设备为第一接入网设备。第一接入网设备能够获取到用于指示干扰协调资源单元的大小的参考信息,还能够获取到用于指示第二接入网设备与第一接入网设备之间的干扰的协调信息,且该协调信息为根据干扰协调资源单元的大小确定的。第一接入网设备根据参考信息以及协调信息能够获知,第一接入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网 设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
本申请实施例提供一种核心网设备,该核心网设备用于执行以上干扰协调方法中的核心网设备所执行的步骤。本申请实施例提供的核心网设备可以包括相应步骤所对应的模块。
本申请实施例可以根据上述方法示例对核心网设备进行功能模块的划分,例如,可以对应各个功能划分各个功能模块,也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。本申请实施例中对模块的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。
在采用对应各个功能划分各个功能模块的情况下,图16示出了上述实施例中所涉及的核心网设备的一种可能的结构示意图。如图16所示,核心网设备包括获取单元150和发送单元151。获取单元150用于指示该核心网设备执行图9中的S901、图10中的S101。发送单元151用于支持该核心网设备执行图9中的S902、图10中的S102以及图11中的S110。其中,上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述,在此不再赘述。其中,该核心网设备还可以包括存储单元152和处理单元153,该存储单元152用于存储软件程序以及应用模块。
在采用集成的单元的情况下,图17示出了上述实施例中所涉及的核心网设备的一种可能的结构示意图。如图17所示,该核心网设备包括:处理模块160和通信模块161。处理模块160用于对该核心网设备的动作进行控制管理,例如,处理模块160用于支持该核心网设备在接收到参考信息或协调信息后,向第一接入网设备转发,和/或用于本申请所描述的技术的其它过程。通信模块161用于支持该核心网设备与其他设备通信,例如,通信模块161用于支持该核心网设备执行图9中的S901和S902、图10中的S101和S102、以及图11中的S110。该核心网设备还可以包括存储模块162,用于存储该核心网设备的程序代码和数据。
其中,处理模块160可以是处理器或控制器,例如可以是CPU,DSP。其可以实现或执行结合本申请实施例公开内容所描述的各种示例性的逻辑方框,模块和电路。通信模块161可以是通信接口、收发电路或收发器等。存储模块162可以是存储器。
当处理模块160为处理器,通信模块161为通信接口,存储模块162为存储器时,本申请实施例所涉及的核心网设备可以为图18所示的核心网设备。
如图18所示,该核心网设备包括:通信接口170、处理器171和存储器172。其中,通信接口170、处理器171与存储器172之间通过系统总线173连接,并完成相互间通信。
当核心网设备运行时,该核心网设备执行如图7-图11中任一附图所示的干扰协调方法。具体的核心网设备的干扰协调方法可参见上述如图7-图11中任一附图所示的实施例中的相关描述,此处不再赘述。
其中,通信接口170用于与其他设备通信等。
其中,存储器172用于存储软件程序以及应用模块,处理器171通过运行存储在存储器172的软件程序以及应用模块,从而执行核心网设备的各种功能应用以及数据处理。
存储器172可主要包括存储程序区1720和存储数据区1721,其中,存储程序区1720可存储操作系统、至少一个功能所需的应用程序,比如转发协调信息等;存储数据区1721可存储第一接入网设备的信息和第二接入网设备的信息。
其中,存储器172可以是ROM,或可存储静态信息和指令的其他类型的静态存储设备,RAM或者可存储信息和指令的其他类型的动态存储设备,也可以是EEPROM、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核心网设备存取的任何其他介质,但不限于此。
存储器172可以是独立存在,通过系统总线173与处理器171相连接。存储器172也可以和处理器171集成在一起。
处理器171是核心网设备的控制中心。处理器171利用各种接口和线路连接整个核心网设备的各个部分,通过运行或执行存储在存储器172内的软件程序和/或应用模块,以及调用存储在存储器172内的数据,执行核心网设备的各种功能和处理数据,从而对核心网设备进行整体监控。
在具体实现中,作为一种实施例,处理器171可以包括一个或多个CPU,例如图18中的处理器171包括CPU 0和CPU 1。
系统总线173可以分为地址总线、数据总线、控制总线等。本申请实施例中为了清楚说明,在图18中将各种总线都示意为系统总线173。
相应的,本申请实施例还提供一种计算机可读存储介质,该计算机可读存储介质包括一个或多个程序代码;当核心网设备的处理器在执行该程序代码时,该核心网设备执行如图7-图11中任一附图所示的干扰协调方法。
本申请实施例提供一种核心网设备,该核心网设备与第一接入网设备和第二接入网设备均连接。第一接入网设备能够获取到用于指示干扰协调资源单元的大小的参考信息,还能够获取到用于指示第二接入网设备与第一接入网设备之间的干扰的协调信息,且该协调信息为根据干扰协调资源单元的大小确定的。第一接入网设备根据参考信息以及协调信息能够获知,第一接入网设备与第二接入网设备之间出现干扰的程度。这样,即使第一接入网设备使用的调度资源单元的大小与第二接入网设备使用的调度资源单元的大小不同,第一接入网设备也可根据参考信息和协调信息,准确的确定出该第一接入网设备与终端设备通信所使用的调度信息,从而避免第一接入网设备提供服务的小区与第二接入网设备提供服务的小区出现干扰的问题,实现了干扰控制的目的。
通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,仅以上述各功能模块的划分进行举例说明,实际应用中,可以根据需要而将上述功能分配由不同的功能模块完成,即将装置的内部结构划分成不同的功能模块,以完成以上描述的全部或者部分功能。上述描述的系统,装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统,装置和方法,可 以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述模块或单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)或处理器执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:快闪存储器、移动硬盘、只读存储器、随机存取存储器、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (24)

  1. 一种干扰协调方法,其特征在于,包括:
    获取协调信息和参考信息,所述协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,所述参考信息用于指示干扰协调资源单元的大小,所述协调信息为根据所述干扰协调资源单元的大小确定的;
    根据所述协调信息和所述参考信息,确定所述第一接入网设备的调度信息;
    根据所述调度信息与终端设备通信。
  2. 根据权利要求1所述的干扰协调方法,其特征在于,
    所述干扰协调资源单元的大小为所述干扰协调资源单元的时间长度和所述干扰协调资源单元的频率宽度中的至少一项。
  3. 根据权利要求1或2所述的干扰协调方法,其特征在于,所述获取参考信息,包括:
    接收所述第二接入网设备发送的所述参考信息;
    或者,
    接收核心网设备发送的所述参考信息,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接;
    或者,
    确定所述第二接入网设备的工作频带,并根据所述第二接入网设备的工作频带和预设关系获取所述参考信息,所述预设关系包括所述第二接入网设备的工作频带和所述参考信息之间的对应关系。
  4. 根据权利要求1-3中任意一项所述的干扰协调方法,其特征在于,所述获取协调信息,包括:
    接收所述第二接入网设备发送的所述协调信息;
    或者,
    接收核心网设备发送的所述协调信息,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接。
  5. 根据权利要求1-4中任意一项所述的干扰协调方法,其特征在于,
    使用至少一种调度资源单元,所述干扰协调资源单元的大小为所述至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,所述干扰协调资源单元的大小为所述至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,所述干扰协调资源单元的大小为所述至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度。
  6. 一种干扰协调方法,其特征在于,包括:
    确定协调信息和参考信息,所述协调信息用于协调所述第二接入网设备与第一接入网设备之间的干扰,所述参考信息用于指示干扰协调资源单元的大小,所述协调信息为根据所述干扰协调资源单元的大小确定的;
    发送所述协调信息和所述参考信息。
  7. 根据权利要求6所述的干扰协调方法,其特征在于,所述发送所述协调信息和所述参考信息,包括:
    向所述第一接入网设备发送所述协调信息,并向所述第一接入网设备发送所述参考信息;
    或者,
    向核心网设备发送所述协调信息,并向所述核心网设备发送所述参考信息;
    或者,
    向所述第一接入网设备发送所述协调信息和所述参考信息中的其中一个,并向所述核心网设备发送所述协调信息和所述参考信息中的另外一个;
    其中,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接。
  8. 根据权利要求6或7所述的干扰协调方法,其特征在于,
    所述干扰协调资源单元的大小为所述干扰协调资源单元的时间长度和所述干扰协调资源单元的频率宽度中的至少一项。
  9. 根据权利要求6-8中任意一项所述的干扰协调方法,其特征在于,
    使用至少一种调度资源单元,所述干扰协调资源单元的大小为所述至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,所述干扰协调资源单元的大小为所述至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,所述干扰协调资源单元的大小为所述至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,所述干扰协调资源单元大小是根据所述第二接入网设备的工作频带和预设关系确定的,所述预设关系包括所述第二接入网设备的工作频带和所述参考信息之间的对应关系。
  10. 一种干扰协调方法,其特征在于,包括:
    获取通信信息,所述通信信息包括协调信息和参考信息中的至少一项,所述协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,所述参考信息用于指示干扰协调资源单元的大小,所述协调信息为根据所述干扰协调资源单元的大小确定的,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接;
    向所述第一接入网设备发送所述通信信息。
  11. 根据权利要求10所述的干扰协调方法,其特征在于,所述获取通信信息,包括:
    接收所述第二接入网设备发送的所述通信信息。
  12. 一种接入网设备,其特征在于,所述接入网设备为第一接入网设备,所述接入网设备包括:
    获取单元,用于获取协调信息和参考信息,所述协调信息用于协调所述第一接入网设备与第二接入网设备之间的干扰,所述参考信息用于指示干扰协调资源单元的大小,所述协调信息为根据所述干扰协调资源单元的大小确定的;
    处理单元,用于根据所述获取单元获取到的所述协调信息和所述参考信息,确定所述第一接入网设备的调度信息,以及用于根据所述调度信息与终端设备通信。
  13. 根据权利要求12所述的接入网设备,其特征在于,
    所述干扰协调资源单元的大小为所述干扰协调资源单元的时间长度和所述干扰协调资源单元的频率宽度中的至少一项。
  14. 根据权利要求12或13所述的接入网设备,其特征在于,
    所述获取单元,具体用于接收所述第二接入网设备发送的所述参考信息;或者,具体用于接收核心网设备发送的所述参考信息,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接;
    所述处理单元,还用于确定所述第二接入网设备的工作频带;
    所述获取单元,具体用于根据所述第二接入网设备的工作频带和预设关系获取所述参考信息,所述预设关系包括所述第二接入网设备的工作频带和所述参考信息之间的对应关系。
  15. 根据权利要求12-14中任意一项所述的接入网设备,其特征在于,所述获取单元具体用于:
    接收所述第二接入网设备发送的所述协调信息;
    或者,
    接收核心网设备发送的所述协调信息,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接。
  16. 根据权利要求12-15中任意一项所述的接入网设备,其特征在于,
    所述第二接入网设备使用至少一种调度资源单元,所述干扰协调资源单元的大小为所述至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,所述干扰协调资源单元的大小为所述至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,所述干扰协调资源单元的大小为所述至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度。
  17. 一种接入网设备,其特征在于,所述接入网设备为第二接入网设备,所述接入网设备包括:
    处理单元,用于确定协调信息和参考信息,所述协调信息用于协调所述第二接入网设备与第一接入网设备之间的干扰,所述参考信息用于指示干扰协调资源单元的大小,所述协调信息为根据所述干扰协调资源单元的大小确定的;
    发送单元,用于发送所述处理单元确定的所述协调信息和所述参考信息。
  18. 根据权利要求17所述的接入网设备,其特征在于,所述发送单元具体用于:
    向所述第一接入网设备发送所述协调信息,并向所述第一接入网设备发送所述参考信息;
    或者,
    向核心网设备发送所述协调信息,并向所述核心网设备发送所述参考信息;
    或者,
    向所述第一接入网设备发送所述协调信息和所述参考信息中的其中一个,并向所述核心网设备发送所述协调信息和所述参考信息中的另外一个;
    其中,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接。
  19. 根据权利要求17或18所述的接入网设备,其特征在于,
    所述干扰协调资源单元的大小为所述干扰协调资源单元的时间长度和所述干扰协调资源单元的频率宽度中的至少一项。
  20. 根据权利要求17-19中任意一项所述的接入网设备,其特征在于,
    所述第二接入网设备使用至少一种调度资源单元,所述干扰协调资源单元的大小 为所述至少一种调度资源单元中时间长度最短的调度资源单元的时间长度,或者,所述干扰协调资源单元为所述至少一种调度资源单元中频率宽度最窄的调度资源单元的频率宽度,或者,所述干扰协调资源单元为所述至少一种调度资源单元中包括的资源单元RE的数量最小的调度资源单元的时间长度和频率宽度,或者,所述干扰协调资源单元大小是根据所述第二接入网设备的工作频带和预设关系确定的,所述预设关系包括所述第二接入网设备的工作频带和所述参考信息之间的对应关系。
  21. 一种核心网设备,其特征在于,包括:
    获取单元,用于获取通信信息,所述通信信息包括协调信息和参考信息中的至少一项,所述协调信息用于协调第一接入网设备与第二接入网设备之间的干扰,所述参考信息用于指示干扰协调资源单元的大小,所述协调信息为根据所述干扰协调资源单元的大小确定的,所述核心网设备与所述第一接入网设备和所述第二接入网设备均连接;
    发送单元,用于向所述第一接入网设备发送所述获取单元获取到的所述通信信息。
  22. 根据权利要求21所述的核心网设备,其特征在于,
    所述获取单元,具体用于接收所述第二接入网设备发送的所述通信信息。
  23. 一种干扰协调装置,其特征在于,包括处理器和存储器;其中,所述存储器用于存储计算机指令,所述处理器用于执行存储器存储的计算机指令,以使所述装置执行如上述权利要求1-11中任意一项所述的干扰协调方法。
  24. 一种计算机可读取存储介质,用于存储程序,所述程序在执行时,如权利要求1至11中任一项所述的方法被实现。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220278783A1 (en) * 2019-08-05 2022-09-01 Nec Corporation Base station, method, program, and recording medium

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158964A (zh) * 2010-02-12 2011-08-17 华为技术有限公司 一种通信系统中的资源协调方法、装置
CN103262459A (zh) * 2010-10-22 2013-08-21 诺基亚西门子网络公司 增强的网络接入节点间调度协调和对于高级接收机算法的信令支持
US20160127089A1 (en) * 2012-01-27 2016-05-05 Interdigital Patent Holdings, Inc. Systems and/or methods for managing or improving interference between cells
CN105723641A (zh) * 2013-09-19 2016-06-29 瑞典爱立信有限公司 用于提供干扰特性以便进行干扰抑制的系统和方法
CN107426819A (zh) * 2016-05-24 2017-12-01 北京三星通信技术研究有限公司 一种小区之间的干扰协调方法和设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102036249B (zh) * 2009-09-24 2015-01-14 株式会社Ntt都科摩 一种小区间干扰协调方法及基站
US9301172B2 (en) * 2012-10-19 2016-03-29 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and system for interference and noise estimation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158964A (zh) * 2010-02-12 2011-08-17 华为技术有限公司 一种通信系统中的资源协调方法、装置
CN103262459A (zh) * 2010-10-22 2013-08-21 诺基亚西门子网络公司 增强的网络接入节点间调度协调和对于高级接收机算法的信令支持
US20160127089A1 (en) * 2012-01-27 2016-05-05 Interdigital Patent Holdings, Inc. Systems and/or methods for managing or improving interference between cells
CN105723641A (zh) * 2013-09-19 2016-06-29 瑞典爱立信有限公司 用于提供干扰特性以便进行干扰抑制的系统和方法
CN107426819A (zh) * 2016-05-24 2017-12-01 北京三星通信技术研究有限公司 一种小区之间的干扰协调方法和设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220278783A1 (en) * 2019-08-05 2022-09-01 Nec Corporation Base station, method, program, and recording medium

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