WO2021052418A1 - 小区负载均衡方法、装置及网络设备 - Google Patents

小区负载均衡方法、装置及网络设备 Download PDF

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Publication number
WO2021052418A1
WO2021052418A1 PCT/CN2020/115897 CN2020115897W WO2021052418A1 WO 2021052418 A1 WO2021052418 A1 WO 2021052418A1 CN 2020115897 W CN2020115897 W CN 2020115897W WO 2021052418 A1 WO2021052418 A1 WO 2021052418A1
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WIPO (PCT)
Prior art keywords
network device
information
resource
request
terminal
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PCT/CN2020/115897
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English (en)
French (fr)
Inventor
谢芳
徐晓东
李男
刘光毅
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2021052418A1 publication Critical patent/WO2021052418A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Definitions

  • the present disclosure relates to the field of communication technology, in particular to a load balancing method, device and network equipment.
  • Step 1 When the source cell (base station 1) evaluates that the load of the cell is too high, load balancing is triggered, and base station 1 initiates a resource status request (RESOURCE STATUS REQUEST) to the neighboring cell (base station 2);
  • Step 2 The neighboring cell feeds back the resource status response (RESOURCE STATUS RESPONSE) through the X2/Xn ports in the station or between the base stations, and transmits its own load information to the source cell;
  • RESET STATUS RESPONSE resource status response
  • Step 3 The neighboring cell periodically sends a resource status update (RESOURCE STATUS UPDATE) signaling to the source cell;
  • the physical resource block PRB utilization rate PRB Period
  • transmission bandwidth load TNL load Ind Period
  • hardware resource load HW Load Ind Period
  • cell remaining capacity period Composite Available Capacity Period
  • Step 4 The source cell selects a suitable neighboring cell as the target cell based on the collected information
  • Step 5 The source cell selects suitable users, such as selecting users based on the quality of service (QCI) service type, the size of the PRB occupied by the user, and the location of the user; and the user is switched and migrated to the corresponding target cell.
  • QCI quality of service
  • the utilization of PRB is used to evaluate the load of the cell
  • 5G has introduced massive antennas (massive MIMO)
  • multiple users can reuse cell resources, if the cell load of LTE is not enough to measure the ability of the cell to accept new UEs .
  • the cell-level resource utilization information cannot truly measure the capacity of the cell and cannot effectively perform load balancing.
  • the present disclosure provides a load balancing method, device and network equipment. It solves the problem that load balancing cannot be effectively performed in the case of multiple terminals that can reuse cell resources in the related art.
  • a cell load balancing method applied to a first network device, the method including:
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: position range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information further includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the method further includes: selecting a terminal that meets the handover condition according to the measurement report reported by the terminal and the available resource information;
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the embodiment of the present disclosure provides a cell load balancing method, which is applied to a second network device, and the method includes:
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: position range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the method further includes: receiving a handover request command sent by the first network device, where the handover request command is used to transfer the first The terminal that meets the handover condition selected by the network device is switched to the cell of the second network device.
  • the handover request command carries at least one of the following:
  • the quality of the beam measured by the handover terminal
  • the service quality type indication of the service of the terminal that performs the handover is the service quality type indication of the service of the terminal that performs the handover.
  • the embodiment of the present disclosure also provides a cell load balancing device, which is applied to a first network device, and includes: a transceiver module, configured to send resource request information to a second network device; and receive available resource information sent by the second network device .
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: position range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information further includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the cell load balancing device further includes:
  • a processing module configured to select a terminal that meets the handover condition according to the measurement report reported by the terminal and the available resource information
  • the transceiver module sends a handover request command to the second network device, and switches the selected terminal meeting the handover condition to the cell of the second network device.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the embodiment of the present disclosure also provides a network device, including:
  • the transceiver is configured to send resource request information to the second network device; and receive the available resource information sent by the second network device.
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: position range information of the terminal; beam type information, beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information further includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the network device further includes: a processor, configured to select a terminal that meets the handover condition according to the measurement report reported by the terminal and the available resource information;
  • the transceiver sends a handover request command to the second network device to switch the selected terminal meeting the handover condition to the cell of the second network device.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the embodiment of the present disclosure also provides a cell load balancing device, which is applied to a second network device, and includes: a transceiver module, configured to receive resource request information sent by a first network device; and send available resource information to the first network device .
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: position range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the transceiver module is further configured to receive a handover request command sent by the first network device, and the handover request command is used to switch the terminal that meets the handover condition selected by the first network device to the first network device. 2. In the cell of network equipment.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the embodiment of the present disclosure also provides a network device, including:
  • the transceiver is configured to receive resource request information sent by the first network device; and send available resource information to the first network device.
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: location range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the transceiver is further configured to receive a handover request command sent by the first network device, and the handover request command is used to switch the terminal that meets the handover condition selected by the first network device to the first network device. 2. In the cell of network equipment.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the embodiment of the present disclosure further provides a communication device, including a processor and a memory storing a computer program, and the computer program executes the method described above when the computer program is run by the processor.
  • Embodiments of the present disclosure also provide a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the method as described above.
  • Figure 1 is a schematic diagram of an effective load information interaction process between cells in related technologies
  • FIG. 2 is a schematic flowchart of a cell load balancing method on the side of the first network device of the present disclosure
  • FIG. 3 is a schematic flowchart of a cell load balancing method on the second network device side of the present disclosure
  • Figure 4 is a schematic diagram of the architecture of the network device of the present disclosure.
  • an embodiment of the present disclosure provides a cell load balancing method, which is applied to a first network device, and the method includes:
  • Step 21 Send resource request information to the second network device
  • Step 22 Receive available resource information sent by the second network device.
  • the resource request information is carried in an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status between the first network device and the second network device In the requested report characteristics field.
  • the resource request message can be embedded in other processes, such as embedded in the interface establishment process between the first network device and the second network device, and carried in the interface establishment request; it can also be embedded in the first network device.
  • the interface update process with the second network device it is carried in the interface update request; it can also be embedded in the cell handover process and carried in the cell handover request; of course, the resource request information for load balancing can be included in the load balancing process For example, it is carried in a resource status request (RESOURCE STATUS REQUEST) or carried in the report characteristics (Report Characteristics) field of a resource status request (RESOURCE STATUS REQUEST). For example, 11 bits are added to indicate the need for resources or load balancing.
  • RESOURCE STATUS REQUEST resource status request
  • Report Characteristics Report Characteristics
  • the resource request information carries at least one of the following:
  • An indication of the type of beam information desired by the first network device for example, synchronization signal block (SSB), channel state information reference signal (CSI-RS), or SSB and CSI-RS);
  • SSB synchronization signal block
  • CSI-RS channel state information reference signal
  • SSB and CSI-RS synchronization signal block
  • Type information of the beam quality measured by the terminal for example, reference signal received power (RSRP) or reference signal received quality (RSRQ) or signal to interference plus noise ratio (SINR), that is, measured by the terminal, or, the first network device configuration The quality type of the beam measured by the terminal.
  • RSRP reference signal received power
  • RSS reference signal received quality
  • SINR signal to interference plus noise ratio
  • the available resource information includes at least one of the following:
  • Beam type information such as SSB and/or CSI-RS
  • the identification information of the beams that is, the terminals that can measure these beams can be switched over or preferentially;
  • the beam quality requirement threshold can be combined with the aforementioned beam types, such as the RSRP or RSRQ or SINR threshold of SSB, the RSRP or RSRQ or SINR threshold of CSI-RS, and the beam that can be measured by the second network device can be measured or prioritized.
  • the terminal whose quality exceeds the threshold is switched over;
  • the second network device determines available resource information based on information such as the distribution of terminals in the current cell and resource utilization, and sends the above available resource information to the first network device.
  • information such as the distribution of terminals in the current cell and resource utilization
  • it may be the location range information of the terminal and the beam type information
  • the beam ID (identification) information indicates that the first network device is expected to give priority to or can only switch to the aforementioned location range or the terminal that can measure the beam ID of the beam, which can increase the reuse of the terminal in the target cell of the second network device opportunity.
  • the beam ID here can be SSB ID or CSI-RS ID.
  • the available resource information sent by the second network device to the first network device may also include a beam quality requirement threshold, such as RSRP or RSRQ or SINR threshold, which means that the terminal can measure that the beam quality of the above ID exceeds the corresponding threshold. Switch to the target cell of the second network device.
  • a beam quality requirement threshold such as RSRP or RSRQ or SINR threshold
  • the available resource information sent by the second network device to the first network device may also include: specific bearer capacity information in each position or beam direction, such as the number of terminals that can be carried or accommodated, or a certain QCI such as QCI 5 The number of terminals, or the number of UEs with a certain 5QI, etc.
  • the available resource information further includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the second network device informs the first network device of which terminal location ranges and which beam IDs of the second network device can be multiplexed or directly switched over through the available resource information.
  • the first network device learns the resource type indication, it can decide to switch the selected terminal that meets the handover condition to the target cell of the second network device according to the resource type indication, and it is related to the terminal reuse of the target cell.
  • Resources, the terminal that meets the handover condition and needs to be handed over is directly handed over to the target cell of the second network device. Thereby, the switching efficiency of the terminal can be improved, and the system load can be reduced.
  • the available resource information is carried in the interface establishment request confirmation message and interface update between the first network device and the second network device Request confirmation message, cell handover request confirmation message, or resource status response message.
  • the available resource information can be carried in the interface establishment request confirmation message between the first network device and the second network device; similarly If the resource request information is carried in the interface update request between the first network device and the second network device, the available resource information here can be carried in the interface update request confirmation message between the first network device and the second network device; if the resource request The information is carried in the cell handover request between the first network device and the second network device, and the available resource information here can be carried in the cell handover request confirmation message between the first network device and the second network device; if the resource request information is carried in the first network device In a resource status request of a network device and a second network device, the available resource information may be carried in a resource status response message of the first network device and the second network device.
  • step 22 it may further include:
  • Step 23 Select a terminal that meets the handover condition according to the measurement report reported by the terminal and the available resource information;
  • Step 24 Send a handover request command to the second network device, and switch the selected terminal meeting the handover condition to the cell of the second network device.
  • the first network device receives the measurement report reported by the terminal, and can obtain the status of the terminal from the measurement report, such as the beam measured by the terminal, the beam quality measured by the terminal, the location information of the terminal, and the quality of service type indication QCI of the terminal Etc.; According to this information and the available resource information fed back by the second network device, determine the terminal that meets the handover condition, select the terminal that needs to be handed over from these terminals that meet the handover condition, and switch to the target cell of the second network device.
  • the handover request command carries at least one of the following:
  • the beam identifier measured by the terminal performing the handover such as SSB ID or CSI-RS ID;
  • the quality of the beam measured by the terminal performing the handover such as RSRP or RSRQ or SINR of SSB or CSI-RS;
  • the service quality type of the service of the terminal that performs the handover indicates QCI or 5QI information.
  • the first network device After obtaining the handover confirmation of the second network device, the first network device sends a handover command to the terminal, and the terminal can switch to the target cell of the second network device according to the handover command.
  • the above-mentioned embodiments of the present disclosure interact (including periodic interaction or on-demand interaction) the above-mentioned information, for example, the position range information of the terminal and beam-related information, where the beam-related information may include beams.
  • the type information of the beam such as SSB and/or CSI-RS; the identification information of the beam, which can or preferentially switch over the terminals that can measure these beams; the quality requirement threshold of the beam can be combined with the aforementioned beam type, such as SSB RSRP Or RSRQ or SINR threshold, CSI-RS RSRP or RSRQ or SINR threshold, can or preferentially switch over terminals that can measure the beam sent by the second network device and whose quality exceeds the threshold; each position or beam direction Specific carrying capacity information, etc.
  • the target base station such as the above-mentioned second network equipment
  • the source base station such as the above-mentioned first network equipment
  • an embodiment of the present disclosure provides a cell load balancing method, which is applied to a second network device, and the method includes:
  • Step 31 Receive resource request information sent by the first network device
  • Step 32 Send available resource information to the first network device.
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: location range information of the terminal; beam type information; identification information of the beam; quality requirement threshold of the beam; specific carrying capacity information in each position or beam direction.
  • the available resource information includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the method further includes: receiving a handover request command sent by the first network device, where the handover request command is used to transfer the first The terminal that meets the handover condition selected by the network device is switched to the cell of the second network device.
  • the handover request command carries at least one of the following:
  • the quality of the beam measured by the handover terminal
  • the service quality type indication of the service of the terminal that performs the handover is the service quality type indication of the service of the terminal that performs the handover.
  • This embodiment is a method on the second network device side corresponding to the method shown in FIG. 2 above. All the implementation manners in the above embodiment are applicable to this embodiment, and the same technical effect can also be achieved.
  • the embodiment of the present disclosure also provides a cell load balancing device, which is applied to a first network device, and includes: a transceiver module, configured to send resource request information to a second network device; and receive available resource information sent by the second network device .
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: location range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information further includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the cell load balancing device further includes:
  • a processing module configured to select a terminal that meets the handover condition according to the measurement report reported by the terminal and the available resource information
  • the transceiver module sends a handover request command to the second network device, and switches the selected terminal meeting the handover condition to the cell of the second network device.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the device is a device corresponding to the method shown in FIG. 2 above, and all the implementation manners in the above method embodiments are applicable to the embodiments of the device, and the same technical effects can also be achieved.
  • an embodiment of the present disclosure also provides a network device 40, which may be the above-mentioned first network device, and includes:
  • the transceiver 41 is configured to send resource request information to a second network device; and receive available resource information sent by the second network device.
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: location range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information further includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the network device further includes: a processor 42 configured to select a terminal that meets the handover condition according to the measurement report reported by the terminal and the available resource information;
  • the transceiver 41 sends a handover request command to the second network device to switch the selected terminal meeting the handover condition to the cell of the second network device.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the network device is a network device corresponding to the method shown in FIG. 2 above, and all the implementation manners in the above method embodiment are applicable to the embodiment of the device, and the same technical effect can also be achieved.
  • the network device may further include: a memory 43; the transceiver 41 and the processor 42, as well as the transceiver 41 and the memory 43, can all be connected through a bus interface.
  • the function of the transceiver 41 can be implemented by the processor 42, and the processing The function of the transmitter 42 can also be implemented by the transceiver 41.
  • the embodiment of the present disclosure also provides a cell load balancing device, which is applied to a second network device, and includes: a transceiver module, configured to receive resource request information sent by a first network device; and send available resource information to the first network device .
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: location range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the transceiver module is further configured to receive a handover request command sent by the first network device, and the handover request command is used to switch the terminal that meets the handover condition selected by the first network device to the first network device. 2. In the cell of network equipment.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the device is a device corresponding to the method shown in FIG. 3 above, and all the implementation manners in the above method embodiment are applicable to the embodiment of the device, and the same technical effect can also be achieved.
  • the embodiments of the present disclosure also provide a network device, which may be the foregoing second network device, and the architecture of the second network device may be the same as or similar to the architecture of the foregoing first network device, and the network device includes:
  • the transceiver is configured to receive resource request information sent by the first network device; and send available resource information to the first network device.
  • the resource request information is carried in a report characteristic field of an interface establishment request, an interface update request, a cell handover request, a resource status request, or a resource status request between the first network device and the second network device.
  • the resource request information carries at least one of the following: an indication of the type of beam information that the first network device desires to acquire; and type information of the beam quality measured by the terminal.
  • the available resource information includes at least one of the following: position range information of the terminal; beam type information; beam identification information; beam quality requirement threshold; specific bearing capacity information in each position or beam direction.
  • the available resource information includes a resource type indication, and the resource type includes: a reusable resource or a directly switchable resource.
  • the available resource information is carried in an interface establishment request confirmation message, an interface update request confirmation message, a cell handover request confirmation message, or a resource status response message between the first network device and the second network device.
  • the transceiver is further configured to receive a handover request command sent by the first network device, and the handover request command is used to switch the terminal that meets the handover condition selected by the first network device to the first network device. 2. In the cell of network equipment.
  • the handover request command carries at least one of the following: the beam identifier measured by the terminal performing the handover; the quality of the beam measured by the terminal performing the handover; the beam identifiers are arranged in ascending or descending order of quality; The specific location information of the terminal; the service quality type indication of the service of the terminal that performs the handover.
  • the network device is a network device corresponding to the method shown in FIG. 3, and all the implementation manners in the method embodiment described above are applicable to the embodiment of the device, and the same technical effect can also be achieved.
  • the terminal may further include: a memory; the transceiver and the processor, as well as the transceiver and the memory, can be connected through a bus interface.
  • the function of the transceiver can be realized by the processor, and the function of the processor can also be realized by the transceiver. achieve.
  • the embodiment of the present disclosure further provides a communication device, including a processor and a memory storing a computer program, and the computer program executes the method described above when the computer program is run by the processor.
  • Embodiments of the present disclosure also provide a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the method as described above.
  • the above-mentioned embodiments of the present disclosure help the source base station to switch the terminal to a suitable target cell by exchanging information about potentially reusable resources between cells or base stations, which can effectively achieve load balancing and increase resource reuse opportunities.
  • Increasing the capacity of the target cell can also guarantee the service performance of the terminal and enhance the user's service experience.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • 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, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several
  • the instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
  • the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • units, modules, sub-units and sub-modules can be implemented in one or more application specific integrated circuits (ASIC), digital signal processors (Digital Signal Processing, DSP), and digital signal processing equipment (DSP Device).
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • DSPD Digital Signal Processing
  • PLD Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • general-purpose processors controllers, microcontrollers, microprocessors, and Disclosure of the described functions in other electronic units or combinations thereof.
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • each component or each step can be decomposed and/or recombined.
  • These decomposition and/or recombination should be regarded as equivalent solutions of the present disclosure.
  • the steps of performing the above series of processing can naturally be performed in a chronological order in the order of description, but do not necessarily need to be performed in a chronological order, and some steps can be performed in parallel or independently of each other.
  • a person of ordinary skill in the art can understand that all or any of the steps or components of the methods and devices of the present disclosure can be used in any computing device (including a processor, storage medium, etc.) or a network of computing devices with hardware and firmware. , Software or a combination of them, this can be achieved by those of ordinary skill in the art using their basic programming skills after reading the description of the present disclosure.
  • the purpose of the present disclosure can also be realized by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the purpose of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
  • the storage medium may be any well-known storage medium or any storage medium developed in the future. It should also be pointed out that in the device and method of the present disclosure, obviously, each component or each step can be decomposed and/or recombined.

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Abstract

本申请提供一种负载均衡方法、装置及网络设备。第一网络设备侧的小区负载均衡方法包括：向第二网络设备发送资源请求信息；和/或接收所述第二网络设备发送的可用资源信息。

Description

小区负载均衡方法、装置及网络设备
相关申请的交叉引用
本申请主张在2019年9月17日在中国提交的中国专利申请No.201910875261.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，特别是指一种负载均衡方法、装置及网络设备。
背景技术
在相关技术中，当服务小区内用户数过多，将导致小区的负荷过高，小区容量和服务质量(QoS)都会受到影响。为保证用户体验和无线资源的有效利用，需要及时将高负荷小区的负荷分担到负荷低的邻区。
要实现高效优质的负载均衡，小区之间进行有效的负荷信息交互过程必不可少，主要流程如图1所示：
步骤1，当源小区(基站1)评估本小区负荷过高，触发负载均衡，基站1向邻区(基站2)发起资源状态请求(RESOURCE STATUS REQUEST)；
步骤2，邻区通过站内或基站间X2/Xn口反馈资源状态响应(RESOURCE STATUS RESPONSE)，将自身负荷信息传递给源小区；
步骤3，邻区周期性的向源小区发送资源状态更新(RESOURCE STATUS UPDATE)信令；
其中，可携带物理资源块PRB利用率(PRB Periodic)、传输带宽负荷(TNL load Ind Periodic)、硬件资源负荷(HW Load Ind Periodic)、小区剩余容量周期(Composite Available Capacity Periodic)等信息。
步骤4，源小区通过收集的信息，选择合适的邻区作为目标小区；
步骤5，源小区选择合适的用户，如基于服务质量类型(QCI)业务类型、用户占用PRB大小、用户位置等信息选择用户；并使用户发生切换，迁移到相应目标小区。
LTE中使用PRB的利用率来评估小区的负载情况，而5G由于引入了大规模天线(massive MIMO)，多用户可以复用小区资源，若沿用LTE的小区负荷不足以衡量小区接纳新UE的能力。小区级别的资源利用率信息无法真正衡量小区的能力，无法有效进行负载均衡。
发明内容
本公开提供了一种负载均衡方法、装置及网络设备。解决相关技术中在多终端可复用小区资源的情况下，无法有效进行负载均衡的问题。
为解决上述技术问题，本公开的实施例提供如下方案：
一种小区负载均衡方法，应用于第一网络设备，所述方法包括：
向第二网络设备发送资源请求信息；
和/或
接收所述第二网络设备发送的可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，接收所述第二网络设备发送的用于负载均衡的可用资源信息后，还包括：根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的终端；
向所述第二网络设备发送切换请求命令，将所述选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
本公开的实施例提供一种小区负载均衡方法，应用于第二网络设备，所述方法包括：
接收第一网络设备发送的资源请求信息；
和/或
向所述第一网络设备发送可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，向所述第一网络设备发送用于负载均衡的可用资源信息后，还包括：接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：
进行切换的终端测量到的波束标识；
进行切换的终端测量到的波束的质量；
按照质量升序或降序的顺序排列波束标识；
进行切换的终端的具体位置信息；
进行切换的终端的业务的服务质量类型指示。
本公开的实施例还提供一种小区负载均衡装置，应用于第一网络设备，包括：收发模块，用于向第二网络设备发送资源请求信息；接收所述第二网络设备发送的可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，小区负载均衡装置还包括：
处理模块，用于根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的终端；
所述收发模块向所述第二网络设备发送切换请求命令，将选择的所述满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的 业务的服务质量类型指示。
本公开的实施例还提供一种网络设备，包括：
收发机，用于向第二网络设备发送资源请求信息；接收所述第二网络设备发送的可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息，波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，网络设备还包括：处理器，用于根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的终端；
所述收发机向所述第二网络设备发送切换请求命令，将选择的所述满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
本公开的实施例还提供一种小区负载均衡装置，应用于第二网络设备，包括：收发模块，用于接收第一网络设备发送的资源请求信息；向所述第一网络设备发送可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设 备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，所述收发模块还用于接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
本公开的实施例还提供一种网络设备，包括：
收发机，用于接收第一网络设备发送的资源请求信息；向所述第一网络设备发送可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束 方向上的具体承载能力信息。
可选地，所述可用资源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，所述收发机还用于接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
本公开的实施例还提供一种通信设备，包括：处理器、存储有计算机程序的存储器，所述计算机程序被处理器运行时，执行如上所述的方法。
本公开的实施例还提供一种计算机可读存储介质，包括指令，当所述指令在计算机运行时，使得计算机执行如上所述的方法。
本公开的上述方案至少包括以下有益效果：
本公开的上述方案，通过向第二网络设备发送用于负载均衡的资源请求信息；接收所述第二网络设备发送的用于负载均衡的可用资源信息，第一网络设备和第二网络设备间交互潜在可用资源信息，帮助第一网络设备把终端切换到合适的第二网络设备的目标小区，既能有效地实现负载均衡、又能保障终端的业务性能。
附图说明
图1为相关技术中的小区之间进行有效的负荷信息交互过程示意图；
图2为本公开的第一网络设备侧的小区负载均衡方法的流程示意图；
图3为本公开的第二网络设备侧的小区负载均衡方法的流程示意图；
图4为本公开的网络设备的架构示意图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
如图2所示，本公开的实施例提供一种小区负载均衡方法，应用于第一网络设备，所述方法包括：
步骤21，向第二网络设备发送资源请求信息；
和/或
步骤22，接收所述第二网络设备发送的可用资源信息。
本公开的该实施例通过向第二网络设备发送用于负载均衡的资源请求信息；接收所述第二网络设备发送的用于负载均衡的可用资源信息，第一网络设备和第二网络设备间交互潜在可用资源信息，帮助第一网络设备把终端切换到合适的第二网络设备的目标小区，既能有效地实现负载均衡、又能保障终端的业务性能。
本公开的一可选的实施例中，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。也就是说，资源请求消息可以嵌入到其它的流程中进行，比如嵌入到第一网络设备和第二网络设备间的接口建立流程中，携带在接口建立请求中；也可以嵌入到第一网络设备和第二网络设备间的接口更新流程中，携带在接口更新请求中；也可以嵌入到小区切换流程中，携带在小区切换请求中；当然，用于负载均衡的资源请求信息可以在负载均衡流程中独立实现，比如携带在资源状态请求(RESOURCE STATUS REQUEST)中或者携带在资源状态请求(RESOURCE STATUS REQUEST)的报告特性(Report Characteristics)字段中，例如，添加11bit，指示需要资源或者需要负载均衡。
本公开的一可选实施例中，所述资源请求信息携带以下至少一项：
所述第一网络设备希望获取的波束信息的类型指示(例如同步信号块 (SSB)、信道状态信息参考信号(CSI-RS)或SSB和CSI-RS)；
终端测量的波束质量的类型信息，例如，参考信号接收功率(RSRP)或参考信号接收质量(RSRQ)或信号与干扰加噪声比(SINR)，即终端测量到的，或，第一网络设备配置终端测量的波束的质量类型。
本公开的一可选实施例中，所述可用资源信息包括以下至少一项：
终端的位置范围信息；
波束的类型信息；如SSB和/或CSI-RS；
波束的标识信息，即可以或优先把能测量到这些波束的终端切换过来；
波束的质量要求门限，可与前述波束类型结合，如SSB的RSRP或RSRQ或SINR门限，CSI-RS的RSRP或RSRQ或SINR门限，可以或优先把能测量到第二网络设备发送的波束、且质量超过该门限的终端切换过来；
每个位置或波束方向上的具体承载能力信息。
第二网络设备基于当前小区中终端的分布和资源的利用情况等信息，确定可用资源信息，并向第一网络设备发送上述可用资源信息，比如，可以是终端的位置范围信息，波束的类型信息，波束ID(标识)信息，表示希望第一网络设备优先或只能切换前述位置范围或能测量到该波束ID的波束的终端过来，可增加终端在第二网络设备的目标小区中的复用机会。这里的波束ID可以是SSB ID或CSI-RS ID。
第二网络设备向第一网络设备发送的可用资源信息，还可以包括波束的质量要求门限，如RSRP或RSRQ或SINR门限，表示终端测量到上述ID的波束的质量超过了对应的门限的才可切换到第二网络设备的目标小区。
第二网络设备向第一网络设备发送的可用资源信息，还可以包括：每个位置或波束方向上的具体承载能力信息，如可承载或接纳的：终端的数目，或某种QCI如QCI 5的终端的数目，或某种5QI的UE的数目等。
本公开的一可选实施例中，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。比如，第二网络设备通过该可用资源信息，告知第一网络设备，该第二网络设备的哪些终端位置范围、哪些波束ID可以复用或者直接切换过来。这样，第一网络设备在得知该资源类型指示后，可以依据该资源类型指示，决定将选择的满足切换条 件的终端切换到第二网络设备的目标小区，并和目标小区的终端复用相关资源，还是将满足切换条件且需要切换的终端直接切换到第二网络设备的目标小区。从而能够提高终端的切换效率，降低系统负荷。
本公开的一可选实施例中，与上述资源请求信息嵌入的流程相应的，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。比如，如果资源请求信息携带在第一网络设备与第二网络设备的接口建立请求中，这里的可用资源信息可以携带在第一网络设备与第二网络设备的接口建立请求确认消息中；同样地，如果资源请求信息携带在第一网络设备与第二网络设备的接口更新请求中，这里的可用资源信息可以携带在第一网络设备与第二网络设备的接口更新请求确认消息中；如果资源请求信息携带在第一网络设备与第二网络设备的小区切换请求中，这里的可用资源信息可以携带在第一网络设备与第二网络设备的小区切换请求确认消息中；如果资源请求信息携带在第一网络设备与第二网络设备的资源状态请求中，这里的可用资源信息可以携带在第一网络设备与第二网络设备的资源状态响应消息中。
本公开的一可选实施例中，在上述步骤21和步骤22的基础上，步骤22后还可以包括：
步骤23，根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的终端；
步骤24，向所述第二网络设备发送切换请求命令，将选择的所述满足切换条件的终端切换到所述第二网络设备的小区中。
这里，第一网络设备接收终端上报的测量报告，从测量报告中可以获得终端的状态，比如，终端测量到的波束，终端测量到的波束质量，终端的位置信息以及终端的服务质量类型指示QCI等；根据这些信息以及第二网络设备反馈的可用资源信息，确定满足切换条件的终端，从这些满足切换条件的终端中，选择需要进行切换的终端，切换到第二网络设备的目标小区中。
可选地，所述切换请求命令中携带以下至少一项：
进行切换的终端测量到的波束标识，如SSB ID或CSI-RS ID；
进行切换的终端测量到的波束的质量，如SSB或CSI-RS的RSRP或RSRQ或SINR；
按照质量升序或降序的顺序排列波束标识；
进行切换的终端的具体位置信息；
进行切换的终端的业务的服务质量类型指示QCI或者5QI信息。
进一步地，第一网络设备在得到第二网络设备的切换确认后，向终端发送切换命令，终端可以依据该切换命令，切换到第二网络设备的目标小区。
本公开的上述实施例通过在网络设备(如基站)间的交互(包括周期性交互或按需交互)上述信息，比如，终端的位置范围信息以及波束相关信息，这里的波束相关信息可以包括波束的类型信息；如SSB和/或CSI-RS；波束的标识信息，即可以或优先把能测量到这些波束的终端切换过来；波束的质量要求门限，可与前述波束类型结合，如SSB的RSRP或RSRQ或SINR门限，CSI-RS的RSRP或RSRQ或SINR门限，可以或优先把能测量到第二网络设备发送的波束、且质量超过该门限的终端切换过来；每个位置或波束方向上的具体承载能力信息等。可以帮助目标基站(如上述第二网络设备)和源基站(如上述第一网络设备)筛选合适的切换终端，在多终端可复用小区资源的情况下，可以有效进行负载均衡，且通过增加资源复用的机会提升目标小区的容量，提升用户的业务体验。
如图3所示，本公开的实施例提供一种小区负载均衡方法，应用于第二网络设备，所述方法包括：
步骤31，接收第一网络设备发送的资源请求信息；
和/或
步骤32，向所述第一网络设备发送可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息； 波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，向所述第一网络设备发送用于负载均衡的可用资源信息后，还包括：接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：
进行切换的终端测量到的波束标识；
进行切换的终端测量到的波束的质量；
按照质量升序或降序的顺序排列波束标识；
进行切换的终端的具体位置信息；
进行切换的终端的业务的服务质量类型指示。
该实施例是与上述图2所示方法对应的第二网络设备侧的方法，上述实施例中的所有实现方式均适用于该实施例中，也能达到相同的技术效果。
本公开的实施例还提供一种小区负载均衡装置，应用于第一网络设备，包括：收发模块，用于向第二网络设备发送资源请求信息；接收所述第二网络设备发送的可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束 方向上的具体承载能力信息。
可选地，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，小区负载均衡装置还包括：
处理模块，用于根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的终端；
所述收发模块向所述第二网络设备发送切换请求命令，将选择的所述满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
需要说明的是，该装置是与上述图2所示方法对应的装置，上述方法实施例中的所有实现方式均适用于该装置的实施例中，也能达到相同的技术效果。
如图4所示，本公开的实施例还提供一种网络设备40，该网络设备可以是上述第一网络设备，包括：
收发机41，用于向第二网络设备发送资源请求信息；接收所述第二网络设备发送的可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束 方向上的具体承载能力信息。
可选地，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，网络设备还包括：处理器42，用于根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的终端；
所述收发机41向所述第二网络设备发送切换请求命令，将选择的所述满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
需要说明的是，该网络设备是与上述图2所示方法对应的网络设备，上述方法实施例中的所有实现方式均适用于该装置的实施例中，也能达到相同的技术效果。该网络设备还可以进一步包括：存储器43；收发机41与处理器42，以及，收发机41与存储器43之间，均可以通过总线接口连接，收发机41的功能可以由处理器42实现，处理器42的功能也可以由收发机41实现。
本公开的实施例还提供一种小区负载均衡装置，应用于第二网络设备，包括：收发模块，用于接收第一网络设备发送的资源请求信息；向所述第一网络设备发送可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束 方向上的具体承载能力信息。
可选地，所述可用资源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，所述收发模块还用于接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
需要说明的是，该装置是与上述图3所示方法对应的装置，上述方法实施例中的所有实现方式均适用于该装置的实施例中，也能达到相同的技术效果。
本公开的实施例还提供一种网络设备，该网络设备可以是上述第二网络设备，该第二网络设备的架构可以与上述第一网络设备的架构相同或者相似，该网络设备包括：
收发机，用于接收第一网络设备发送的资源请求信息；向所述第一网络设备发送可用资源信息。
可选地，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
可选地，所述资源请求信息携带以下至少一项：所述第一网络设备希望获取的波束信息的类型指示；终端测量的波束质量的类型信息。
可选地，所述可用资源信息包括以下至少一项：终端的位置范围信息；波束的类型信息；波束的标识信息；波束的质量要求门限；每个位置或波束方向上的具体承载能力信息。
可选地，所述可用资源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
可选地，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
可选地，所述收发机还用于接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
可选地，所述切换请求命令中携带以下至少一项：进行切换的终端测量到的波束标识；进行切换的终端测量到的波束的质量；按照质量升序或降序的顺序排列波束标识；进行切换的终端的具体位置信息；进行切换的终端的业务的服务质量类型指示。
需要说明的是，该网络设备是与上述图3所示方法对应的网络设备，上述方法实施例中的所有实现方式均适用于该装置的实施例中，也能达到相同的技术效果。该终端还可以进一步包括：存储器；收发机与处理器，以及，收发机与存储器之间，均可以通过总线接口连接，收发机的功能可以由处理器实现，处理器的功能也可以由收发机实现。
本公开的实施例还提供一种通信设备，包括：处理器、存储有计算机程序的存储器，所述计算机程序被处理器运行时，执行如上所述的方法。
本公开的实施例还提供一种计算机可读存储介质，包括指令，当所述指令在计算机运行时，使得计算机执行如上所述的方法。
本公开的上述实施例，通过小区或基站间交互潜在可复用资源的信息，帮助源基站把终端切换到合适的目标小区，既能有效地实现负载均衡、又能通过增加资源复用的机会提升目标小区的容量，又能保障终端的业务性能，提升用户的业务体验。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方 法来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
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，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。
在本公开所提供的实施例中，应该理解到，所揭露的装置和方法，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方案的目的。
另外，在本公开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。
所述功能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，本公开的技术方案本质上或者说对相关技术做出贡献的部分或者该技术方案的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)执行本公开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：U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，单元、模块、子单元和子模块可以实现在一个或多个专用集成电路(Application Specific Integrated  Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
此外，需要指出的是，在本公开的装置和方法中，显然，各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且，执行上述系列处理的步骤可以自然地按照说明的顺序按时间顺序执行，但是并不需要一定按照时间顺序执行，某些步骤可以并行或彼此独立地执行。对本领域的普通技术人员而言，能够理解本公开的方法和装置的全部或者任何步骤或者部件，可以在任何计算装置(包括处理器、存储介质等)或者计算装置的网络中，以硬件、固件、软件或者它们的组合加以实现，这是本领域普通技术人员在阅读了本公开的说明的情况下运用他们的基本编程技能就能实现的。
因此，本公开的目的还可以通过在任何计算装置上运行一个程序或者一组程序来实现。所述计算装置可以是公知的通用装置。因此，本公开的目的也可以仅仅通过提供包含实现所述方法或者装置的程序代码的程序产品来实现。也就是说，这样的程序产品也构成本公开，并且存储有这样的程序产品的存储介质也构成本公开。显然，所述存储介质可以是任何公知的存储介质或者将来所开发出来的任何存储介质。还需要指出的是，在本公开的装置和方法中，显然，各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且，执行上述系列处理的步骤可以自然地按照说明的顺序按时间顺序执行，但是并不需要一定按照时间顺序执行。某些步骤可以并行或彼此独立地执行。
以上所述是本公开的可选的实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以作出若干改进 和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (22)

  1. 一种小区负载均衡方法，应用于第一网络设备，包括：
    向第二网络设备发送资源请求信息；
    和/或
    接收所述第二网络设备发送的可用资源信息。
  2. 根据权利要求1所述的小区负载均衡方法，其中，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
  3. 根据权利要求1所述的小区负载均衡方法，其中，所述资源请求信息携带以下至少一项：
    所述第一网络设备希望获取的波束信息的类型指示；
    终端测量的波束质量的类型信息。
  4. 根据权利要求1所述的小区负载均衡方法，其中，所述可用资源信息包括以下至少一项：
    终端的位置范围信息；
    波束的类型信息；
    波束的标识信息；
    波束的质量要求门限；
    每个位置或波束方向上的具体承载能力信息。
  5. 根据权利要求1或4所述的小区负载均衡方法，其中，所述可用资源信息还包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
  6. 根据权利要求1所述的小区负载均衡方法，其中，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
  7. 根据权利要求1所述的小区负载均衡方法，其中，接收所述第二网络设备发送的用于负载均衡的可用资源信息后，还包括：
    根据终端上报的测量报告以及所述可用资源信息，选择满足切换条件的 终端；
    向所述第二网络设备发送切换请求命令，将选择的所述满足切换条件的终端切换到所述第二网络设备的小区中。
  8. 根据权利要求7所述的小区负载均衡方法，其中，所述切换请求命令中携带以下至少一项：
    进行切换的终端测量到的波束标识；
    进行切换的终端测量到的波束的质量；
    按照质量升序或降序的顺序排列波束标识；
    进行切换的终端的具体位置信息；
    进行切换的终端的业务的服务质量类型指示。
  9. 一种小区负载均衡方法，应用于第二网络设备，包括：
    接收第一网络设备发送的资源请求信息；
    和/或
    向所述第一网络设备发送可用资源信息。
  10. 根据权利要求9所述的小区负载均衡方法，其中，所述资源请求信息携带在所述第一网络设备与所述第二网络设备的接口建立请求、接口更新请求、小区切换请求、资源状态请求或者资源状态请求的报告特性字段中。
  11. 根据权利要求9所述的小区负载均衡方法，其中，所述资源请求信息携带以下至少一项：
    所述第一网络设备希望获取的波束信息的类型指示；
    终端测量的波束质量的类型信息。
  12. 根据权利要求9所述的小区负载均衡方法，其中，所述可用资源信息包括以下至少一项：
    终端的位置范围信息；
    波束的类型信息；
    波束的标识信息；
    波束的质量要求门限；
    每个位置或波束方向上的具体承载能力信息。
  13. 根据权利要求9或12所述的小区负载均衡方法，其中，所述可用资 源信息包括资源类型指示，所述资源类型包括：可复用的资源或者可直接切换的资源。
  14. 根据权利要求9所述的小区负载均衡方法，其中，所述可用资源信息携带在所述第一网络设备与所述第二网络设备的接口建立请求确认消息、接口更新请求确认消息、小区切换请求确认消息或者资源状态响应消息中。
  15. 根据权利要求9所述的小区负载均衡方法，其中，向所述第一网络设备发送用于负载均衡的可用资源信息后，还包括：
    接收所述第一网络设备发送的切换请求命令，所述切换请求命令用于将所述第一网络设备选择的满足切换条件的终端切换到所述第二网络设备的小区中。
  16. 根据权利要求15所述的小区负载均衡方法，其中，所述切换请求命令中携带以下至少一项：
    进行切换的终端测量到的波束标识；
    进行切换的终端测量到的波束的质量；
    按照质量升序或降序的顺序排列波束标识；
    进行切换的终端的具体位置信息；
    进行切换的终端的业务的服务质量类型指示。
  17. 一种小区负载均衡装置，应用于第一网络设备，包括：
    收发模块，用于向第二网络设备发送资源请求信息；接收所述第二网络设备发送的可用资源信息。
  18. 一种网络设备，包括：
    收发机，用于向第二网络设备发送资源请求信息；接收所述第二网络设备发送的可用资源信息。
  19. 一种小区负载均衡装置，应用于第二网络设备，包括：
    收发模块，用于接收第一网络设备发送的资源请求信息；
    向所述第一网络设备发送可用资源信息。
  20. 一种网络设备，包括：
    收发机，用于接收第一网络设备发送的资源请求信息；向所述第一网络设备发送可用资源信息。
  21. 一种通信设备，包括：处理器、存储有计算机程序的存储器，所述计算机程序被处理器运行时，执行如权利要求1至8任一项所述的方法，或者，如权利要求9至16任一项所述的方法。
  22. 一种计算机可读存储介质，包括指令，当所述指令在计算机运行时，使得计算机执行如权利要求1至8任一项所述的方法，或者，如权利要求9至16任一项所述的方法。
PCT/CN2020/115897 2019-09-17 2020-09-17 小区负载均衡方法、装置及网络设备 WO2021052418A1 (zh)

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