Cell load balancing method, cell load measuring method, and devices thereof

A cell load balancing device, comprising:

• a load information acquisition processor, configured to acquire information of load of a current cell and information of load of an adjacent cell;
• a sending processor, configured to send a parameter modification request to the adjacent cell if determining that a mobility parameter needs to be modified according to the information of the load of the current cell and the information of the load of the adjacent cell acquired by the load information acquisition processor;
• and
• a balancing processor, configured to perform a corresponding operation according to received information indicating whether the mobility parameter is successfully modified and feedback from the adjacent cell;
• wherein the mobility parameter contains one or more of a cell handover parameter or a cell reselection parameter;
• wherein the sending processor is further configured to send a resource status request message carrying an indication parameter to the adjacent cell, wherein the indication parameter is configured to indicate that the adjacent cell reports the information of the load if an event threshold is satisfied, or that the adjacent cell reports the information of the load if a report period is reached and an event threshold is satisfied;
• wherein the cell load balancing device further comprises a receiver configured to receive the information of the load sent from the adjacent cell;
• and
• wherein the sending processor is further configured to perform one or more of:
• sending the resource status request message through an interface with a node to which the adjacent cell belongs;
• transmitting the resource status request message through a mobility management entity (MME) to which the current cell belongs;
• transmitting the resource status request message through an MME to which the current cell belong s and a core network entity to which the adjacent cell belongs;
• or
• transmitting the resource status request message through an element management system (EMS) or a network management system (NMS).

A cell load balancing system, comprising a first cell node, a second cell node, and a cell load balancing device, wherein the first cell node and the second cell node are respectively located in a current cell and an adjacent cell, and the first cell node and the cell load balancing device are located in a same cell;

• the cell load balancing device is configured to acquire information of load of the current cell from the first cell node, and acquire information of load of the adjacent cell from the second cell node;
• and send a parameter modification request to the second cell node if determining that a mobility parameter requires to be modified according to the acquired load information of the current cell and the acquired load information of the adjacent cell;
• the second cell node is configured to modify the mobility parameter of the current cell according to the parameter modification request sent from the cell load balancing device, and feed information indicating whether the parameter is successfully modified back to the cell load balancing device;
• and
• the cell load balancing device is configured to modify the mobility parameter of the current cell according to the information indicating whether the parameter is successfully modified and feedback from the second cell node;
• wherein the mobility parameter contains one or more of a cell handover parameter or a cell reselection parameter;
• wherein the cell load balancing device is further configured to send a resource status request message carrying an indication parameter to the adjacent cell and receive the information of the load sent from the adjacent cell, wherein the indication parameter is configured to indicate that the adjacent cell reports the information of the load if an event threshold is satisfied, or that the adjacent cell reports the information of the load if a report period is reached and an event threshold is satisfied;
• and
• wherein the cell load balancing device is further configured to perform one or more of:
• sending the resource status request message through an interface with a node to which the adjacent cell belongs;
• transmitting the resource status request message through a mobility management entity (MME) to which the current cell belongs;
• transmitting the resource status request message through an MME to which the current cell belong s and a core network entity to which the adjacent cell belongs;
• or
• transmitting the resource status request message through an element management system (EMS) or a network management system (NMS).

A non-transitory machine-readable medium having stored thereon, a computer program comprising at least one code section for distributing data, the at least one code section being executable by a machine for causing the machine to perform acts of:

• acquiring information of load of a current cell and information of load of an adjacent cell;
• determining a target cell in which a mobility parameter needs to be modified according to the information of the load of the current cell and the information of the load of the adjacent cell;
• sending a parameter modification request to the determined target cell;
• and
• performing a corresponding operation according to information indicating whether the mobility parameter is successfully modified and feedback from the adjacent cell;
• wherein the mobility parameter contains one or more of a cell handover parameter or a cell reselection parameter;
• wherein the acquiring the information of the load of the adjacent cell comprises:
• sending a resource status request message carrying an indication parameter to the adjacent cell, wherein the indication parameter is configured to indicate that the adjacent cell reports the information of the load if an event threshold is satisfied, or that the adjacent cell reports the information of the load if a report period is reached and an event threshold is satisfied;
• and
• receiving the information of the load sent from the adjacent cell;
• and
• wherein the sending the resource status request message to the adjacent cell comprises one or more of:
• sending the resource status request message through an interface with a node to which the adjacent cell belongs;
• transmitting the resource status request message through a mobility management entity (MME) to which the current cell belong;
• transmitting the resource status request message through an MME to which the current cell belongs and a core network entity to which the adjacent cell belongs;
• or
• transmitting the resource status request message through an element management system (EMS) or a network management system (NMS).

A cell load measuring method, comprising:

• acquiring air interface load information of a cell according to a resource usage of the cell;
• and
• acquiring a resource load of the cell according to remaining air interface resources of the cell,
• wherein the acquiring of the air interface load information of the cell according to the resource usage of the cell comprises one or more of:
• processing a physical resource block (PRB) use rate of non-guaranteed bit rate (GBR) services, wherein the air interface load of the cell is a sum of the processed PRB use rate of the non-GBR services, a PRB use rate of GBR services, a PRB use rate of signaling bearers, and a PRB use rate of common channels;
• or
• setting a minimum service process, wherein the air interface load of the cell is a total number of minimum service processes equivalent to all services in the cell.

A cell load measuring device, comprising:

• a use information acquisition processor, configured to acquire a resource load of a cell according to remaining air interface resources of the cell,
• wherein the use information acquisition processor further comprises one or more of:
• a physical resource block (PRB) use rate calculation processor, configured to process a PRB use rate of non-guaranteed bit rate (GBR) services and calculate a cell load, and the air interface load of the cell is a sum of the processed PRB use rate of the non-GBR services, a PRB use rate of GBR services, a PRB use rate of signaling bearers, and a PRB use rate of common channels;
• or
• a minimum service process calculation processor, configured to set a minimum service process, wherein the air interface load of the cell is a total number of minimum service processes equivalent to all services in the cell.

A non-transitory machine-readable medium having stored thereon, a computer program comprising at least one code section for distributing data, the at least one code section being executable by a machine for causing the machine to perform acts of:

• acquiring air interface load information of a cell according to a resource usage of the cell;
• and
• acquiring a resource load of the cell according to remaining air interface resources of the cell,
• wherein the acquiring of the air interface load information of the cell according to the resource usage of the cell comprises one or more of:
• processing a physical resource block (PRB) use rate of non-guaranteed bit rate (GBR) services, wherein the air interface load of the cell is a sum of the processed PRB use rate of the non-GBR services, a PRB use rate of GBR services, a PRB use rate of signaling bearers, and a PRB use rate of common channels;
• or
• setting a minimum service process, wherein the air interface load of the cell is a total number of minimum service processes equivalent to all services in the cell.