CN109041125A - load information interaction method and device, base station and storage medium - Google Patents

Abstract

Load information interaction method and device, base station and storage medium. The embodiment of the present invention discloses a load information interaction method and device, a base station, and a storage medium. The load information interaction method applied to the first base station includes: receiving the load information sent by the second base station from the X2 interface, wherein , the load information includes: a load evaluation index of the second base station.

Description

Load information interaction method and device, base station and storage medium

technical field

The present invention relates to the field of wireless communication, in particular to a load information interaction method and device, a base station and a storage medium.

Background technique

Communication resources in a wireless network are all limited, and as the number of user equipment (User Equipment, UE) increases and wireless services become more abundant, the network load gradually increases. However, the UE is a mobile device that moves with the movement of the user or the movement of the vehicle, and there may be an uneven distribution phenomenon. In this way, in some cells, the communication resources in the cell are insufficient to support the needs of the current UE, and thus overload occurs. However, in some cells, the number of UEs currently located in the cells may be very small, and there is a problem of idle communication resources. Such a phenomenon that UEs are concentrated and distributed in some cells or areas may be referred to as a phenomenon of unbalanced load.

In order to solve this problem, a technical solution of load balancing between cells is proposed. First, it is necessary to evaluate the load of the corresponding cell, and then transfer some UEs in the high-load cell to the low-load cell, so as to relieve the load in the high-load cell on the one hand. On the other hand, it improves the effective utilization of communication resources in low-load cells. While implementing load balancing, the communication quality of UEs in the entire area can be improved.

When performing load balancing between cells, it is first necessary to exchange load information between base stations. In the prior art, in order to exchange load information, different manufacturers have defined interactive interfaces, these interfaces are called private interfaces, and the load information can be performed in a wired or wireless manner. However, the interaction of this load information is limited to the interaction of load information between base stations provided by the same manufacturer, and there is no way to exchange load information between different manufacturers. When using a base station, the interaction of load information cannot be successfully realized, which leads to difficulties in the interaction of load information, and poor compatibility and interoperability between different base stations due to different manufacturers.

Contents of the invention

In view of this, the embodiments of the present invention expect to provide a load information interaction method and device, a base station, and a storage medium, so as to solve at least one of the above-mentioned problems.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

The first aspect of the embodiments of the present invention provides a method for interacting with load information, which is characterized in that it is applied to the first base station, including:

Receive load information sent by the second base station from the X2 interface, where the load information includes: a load evaluation index of the second base station.

Optionally, the load information includes at least one of the following:

Uplink business channel wireless resource utilization;

Utilization rate of wireless resource of downlink traffic channel;

Control channel radio resource utilization for downlink scheduling;

Control channel radio resource utilization for uplink scheduling;

The number of users in the community;

bandwidth.

Optionally, the method also includes:

using the X2 interface to send a request carrying a reporting feature to the second base station, where the reporting feature is used to indicate information that the second base station periodically sends to the first base station;

Using the X2 interface to receive a response returned by the second base station based on the request, where the response includes: information that the second base station can periodically return to the first base station;

The receiving the load information sent by the second base station from the X2 interface includes:

receiving load information periodically sent by the second base station from the X2 interface.

Optionally, the sending the request carrying the report feature to the second base station by using the X2 interface includes:

sending a resource status request to the second base station by using the X2 interface;

The receiving the response returned by the second base station based on the request by using the X2 interface includes:

using the X2 interface to receive a resource status response returned by the second base station based on the resource status request;

The receiving the load information periodically sent by the second base station from the X2 interface includes:

Periodically receiving, from the X2 interface, a resource status update carrying the load information sent by the second base station.

Optionally, the report feature includes: a first bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; wherein the PRB period field includes: one or more information elements indicating the PRB utilization rate;

The load information is carried in one or more information elements of the PRB period field;

The receiving the load information sent by the second base station from the X2 interface includes:

The PRB period field is received from the X2 interface.

Optionally, the report feature includes: a first bit and a second bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate;

The second bit is used to indicate whether to periodically transmit the composite available capacity CAC cycle field; the CAC cycle field includes: one or more information elements indicating the available capacity;

Wherein, a part of the load information is carried in one or more PRB cells of the PRB cycle field, and the rest of the load information is carried in one or more cells of the CAC cycle field;

The receiving the load information sent by the second base station from the X2 interface includes:

Receive the PRB period field and the CAC period field from the X2 interface.

Optionally, the report feature includes: a first bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate and the load information used to carry the load information Yuan;

Part of the load information is carried in the indicated PRB cells, and the remaining part of the load information is carried in the load cells, or all the load information is carried in the load cells;

The receiving the load information sent by the second base station from the X2 interface includes:

receiving the PRB period field carrying both the PRB information element and the load information source from the X2 interface.

Optionally, the report feature includes: a third bit;

The third bit is a reserved bit of the reporting feature, and is used to indicate whether to transmit a dedicated bit of the load period field;

The load information is carried in the load cycle field;

The receiving the load information sent by the second base station from the X2 interface includes:

receiving a duty cycle field periodically sent by the second base station from the X2 interface.

Optionally, the sending the request carrying the report feature to the second base station by using the X2 interface includes:

Using the X2 interface to send a load interaction request carrying a reporting feature to the second base station; wherein the reporting feature is used to indicate a load evaluation index of load information periodically sent by the second base station;

The receiving the response returned by the second base station based on the request by using the X2 interface includes:

receiving a load interaction response returned by the second base station based on the load interaction request from the X2 interface;

The receiving the load information periodically sent by the second base station from the X2 interface includes:

receiving a load interaction update of the second base station carrying the load information from the X2 interface.

Optionally, the method also includes:

receiving a load interaction failure indication fed back by the second base station when the load information cannot be provided from the X2 interface.

The second aspect of the embodiment of the present invention provides a method for interacting with load information, which is applied to the second base station, including:

Sending load information to the first base station through the X2 interface, wherein the load information includes: a load evaluation index of the second base station.

Optionally, the sending load information to the first base station through the X2 interface includes:

The PRB information element carrying the load information in the PRB period field of the physical resource block is sent to the first base station through the X2 interface, and the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate ;

Carry part of the load information in the PRB period field and the rest in the composite available capacity CAC period field, and send it to the first base station through the X2 interface, wherein the CAC period field includes: one indicating the available capacity or multiple cells;

carrying the PRB cell and the rest of the load information in the PRB period field in the load cell, and sending it to the first base station through the X2 interface; or, carrying all the load information in the The load cell is sent to the first base station through the X2 interface, wherein the load cell is a dedicated field for carrying the load information;

Carry all the load information in the load cycle field, and send it to the first base station through the X2 interface.

The third aspect of the embodiment of the present invention provides a device for interacting with load information, which is applied to the first base station, including:

The first receiving unit is configured to receive load information sent by the second base station from the X2 interface, wherein the load information includes: a load evaluation index of the second base station.

Optionally, the load information includes at least one of the following:

Uplink business channel wireless resource utilization;

Utilization rate of wireless resource of downlink traffic channel;

Control channel radio resource utilization for downlink scheduling;

Control channel radio resource utilization for uplink scheduling;

The number of users in the community;

bandwidth.

Optionally, the device also includes:

The first sending unit is configured to use the X2 interface to send a request carrying a report feature to the second base station, where the report feature is used to instruct the second base station to periodically send the request to the first base station information;

The first receiving unit is further configured to use the X2 interface to receive a response returned by the second base station based on the request, where the response includes: the second base station can send a periodic message to the first base station the returned information;

The first receiving unit is specifically configured to receive, from the X2 interface, load information periodically sent by the second base station.

Optionally, the first sending unit is specifically configured to use the X2 interface to send a resource status request to the second base station;

The first receiving unit is specifically configured to use the X2 interface to receive a resource status response returned by the second base station based on the resource status request; and periodically receive the carrying information sent by the second base station from the X2 interface. A resource status update with the load information.

Optionally, the report feature includes: a first bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; wherein the PRB period field includes: one or more information elements indicating the PRB utilization rate;

The load information is carried in one or more information elements of the PRB period field;

The first receiving unit is specifically configured to receive the PRB period field from the X2 interface.

Optionally, the report feature includes: a first bit and a second bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate;

The second bit is used to indicate whether to periodically transmit the composite available capacity CAC cycle field; the CAC cycle field includes: one or more information elements indicating the available capacity;

Wherein, a part of the load information is carried in one or more PRB cells of the PRB cycle field, and the rest of the load information is carried in one or more cells of the CAC cycle field;

The first receiving unit is specifically configured to receive the PRB cycle field and the CAC cycle field from the X2 interface.

Optionally, the report feature includes: a first bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate and the load information used to carry the load information Yuan;

Part of the load information is carried in the indicated PRB cells, and the remaining part of the load information is carried in the load cells, or all the load information is carried in the load cells;

The first receiving unit is specifically configured to receive, from the X2 interface, the PRB period field that simultaneously carries a PRB information element and a load information source.

Optionally, the report feature includes: a third bit;

The third bit is a reserved bit of the reporting feature, and is used to indicate whether to transmit a dedicated bit of the load period field;

The load information is carried in the load period field;

The first receiving unit is specifically configured to receive, from the X2 interface, the duty period field periodically sent by the second base station.

Optionally, the first sending unit is specifically configured to use the X2 interface to send a load interaction request carrying a report feature to the second base station; wherein the report feature is used to indicate that the second base station The load evaluation index of the load information sent periodically;

The first receiving unit is specifically configured to receive, from the X2 interface, a load interaction response returned by the second base station based on the load interaction request;

The first receiving unit is further specifically configured to receive, from the X2 interface, the load interaction update carrying the load information of the second base station.

Optionally, the first receiving unit is further configured to receive, from the X2 interface, a load interaction failure indication fed back by the second base station when the load information cannot be provided.

The fourth aspect of the embodiment of the present invention provides a device for interacting with load information, which is applied to a second base station, including:

The second sending unit is configured to send load information to the first base station through the X2 interface, wherein the load information includes: a load evaluation index of the second base station.

Optionally, the second sending unit is specifically configured to perform one of the following;

The PRB information element carrying the load information in the PRB period field of the physical resource block is sent to the first base station through the X2 interface, and the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate ;

Carry part of the load information in the PRB period field and the rest in the composite available capacity CAC period field, and send it to the first base station through the X2 interface, wherein the CAC period field includes: one indicating the available capacity or multiple cells;

carrying the PRB cell and the rest of the load information in the PRB period field in the load cell, and sending it to the first base station through the X2 interface; or, carrying all the load information in the The load cell is sent to the first base station through the X2 interface, wherein the load cell is a dedicated field for carrying the load information;

Carry all the load information in the load cycle field, and send it to the first base station through the X2 interface.

A fifth aspect of the embodiments of the present invention provides a base station, including:

X2 interface, used for information exchange with other base stations;

memory for storing computer programs;

The processor, which is respectively connected to the X2 interface and the memory, is used to execute the computer program and realize the interaction method of load information provided by any one or more technical solutions mentioned above.

The sixth aspect of the embodiments of the present invention provides a computer storage medium, which is characterized in that the computer storage medium is used to store a computer program, and after the computer program is executed by a processor, any one or more of the aforementioned technical solutions can be implemented. The interactive method of load information.

The load information interaction method and device, base station and storage medium provided by the embodiment of the present invention, in this embodiment, the load information is exchanged through the X2 interface, and the X2 interface is a standard interface between base stations, different types and/or different manufacturers All base stations are equipped with standard X2 interface. In this way, base stations of different types and different manufacturers can exchange load information, thereby solving the problem of low success rate of load information interaction due to the poor interoperability and weak compatibility of load information due to the use of private interfaces, and the transmission of load information is successful. high rate features.

Description of drawings

FIG. 1 is a schematic flowchart of a first load information interaction method provided by an embodiment of the present invention;

FIG. 2 is a schematic flowchart of a second load information interaction method provided by an embodiment of the present invention;

FIG. 3 is a schematic flowchart of a third load information interaction method provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a device for interacting with load information provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a base station provided by an embodiment of the present invention;

FIG. 6 is a schematic flowchart of a fourth load information interaction method provided by an embodiment of the present invention;

FIG. 7 is a schematic flowchart of a fifth load information interaction method provided by an embodiment of the present invention.

Detailed ways

The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIG. 1, this embodiment provides a method for interacting with load information, which is applied to the first base station, including:

Receive load information sent by the second base station from the X2 interface, where the load information includes: a load evaluation index of the second base station.

In this embodiment, the first base station and the second base station may be various types of base stations, for example, evolved base stations (eNBs) or next-generation base stations (gNBs). The first base station and the second base station may be base stations provided by the same manufacturer, or may be base stations provided by different manufacturers. The first base station and the second base station may be base stations of the same model, or base stations of different models.

In this embodiment, the X2 interface is a standard interface for information exchange between base stations through wireless signals, and has the characteristics of high information transmission efficiency. For example, two adjacent base stations can transmit signaling and service information through the X2 interface. In this embodiment, the first base station and the second base station may be adjacent base stations or reachable base stations. When the first base station and the second base station are adjacent base stations, the cell formed by the coverage of the first base station and the cell formed by the coverage of the second base station are geographically adjacent or partially overlapped. In some embodiments, the first base station and the second base station may also be reachable base stations. For example, the cells formed by the first base station and the second base station may have a certain interval space, and the second base station is set in the interval space. Three base stations, the third base station is adjacent to the second base station through the first base station, and the first base station is the control base station or the upper base station of the third base station, or the main base station in the dual connection process. The first base station may determine, according to the load information obtained from the second base station, whether the cell formed by the coverage of the second base station can currently accept the hand-in of the UE in the third base station. In this embodiment, the first base station and the second base station are reachable base stations, which are wireless signals that can be sent by the first base station and the second base station through the X2 interface, and can be received by the opposite base station.

In this embodiment, the load information may be information indicating the current load status of the second base station or the utilization rate of various communication resources, and may be used by the first base station to evaluate whether the second base station is overloaded or is idle. The communication resources may include: time-frequency resources available for communication, and various code resources. The code resources may include various resources such as orthogonal codes and discovery sequences.

In this embodiment, the first base station and the second base station exchange load information through the X2 interface, and the X2 interface is a standard interface that all base stations of different types and manufacturers need to provide. In this case, using the X2 interface to send load information is obviously As long as the receiving base station is within the reachable range of the wireless signal, it will be able to receive the load information, so as to ensure the successful transmission of the load information, thereby solving the problem of incompatibility or The problem of poor interoperability leads to a low success rate of load information transmission, which increases the probability of successful load information transmission and ensures the normal progress of subsequent load balancing.

Optionally, the load information includes at least one of the following:

Uplink business channel wireless resource utilization;

Utilization rate of wireless resource of downlink traffic channel;

Control channel radio resource utilization for downlink scheduling;

Control channel radio resource utilization for uplink scheduling;

The number of users in the community;

bandwidth.

The radio resources of the second base station may include traffic channel radio resources used for service transmission, and control channel radio resources used for control channel signaling transmission.

In this embodiment, the load information may include: information indicating the utilization rate of the traffic channel resource and information indicating the utilization rate of the control channel radio resource. The load information may include: one or more load evaluation indicators for evaluating the load rate or load status of the base station from different dimensions or sub-dimensions of different dimensions.

The traffic channels can be divided into: a downlink traffic channel used for downlink traffic transmitted from the base station to the UE, and an uplink traffic channel used for uplink traffic transmitted from the UE to the base station. Likewise, the control channel can be divided into: a control channel used for downlink scheduling and a control channel used for uplink channel.

Therefore included in this embodiment:

The service information wireless resource utilization rate is further divided into: the wireless resource utilization rate of the uplink service channel, and the wireless resource utilization rate of the downlink service channel;

The radio resource utilization rate of the control channel is further divided into: the radio resource utilization rate of the control channel used for downlink scheduling; the radio resource utilization rate of the control channel used for uplink scheduling.

The radio resource utilization rate of the uplink traffic channel indicates the radio resource utilization rate of the traffic channel of the corresponding base station (such as the second base station) for transmitting uplink traffic. The radio resource utilization rate of the downlink traffic channel indicates the radio resource utilization rate of the traffic channel used to transmit the downlink traffic of the corresponding base station. At the same time, the control channel radio resource utilization rate for downlink scheduling is used to indicate the utilization rate of the control information radio resource for downlink scheduling of the corresponding base station. The control channel radio resource utilization rate for uplink scheduling is used to indicate the utilization rate of the control channel radio resource for uplink scheduling of the corresponding base station.

In this embodiment, not only the load evaluation index of the service information, but also the evaluation index of the radio resource of the control channel is included. If the first base station obtains the utilization rate of the radio resource of the traffic channel and the utilization rate of the radio resource of the control channel at the same time, in this case, the During load balancing, the first base station can comprehensively consider the two aspects of the control channel and the traffic channel to determine whether UE transfer and the number of UE transfers can be performed, and the reduction is based only on the radio resource utilization rate of the traffic channel or the radio resource utilization rate of the control channel. After the UE is transferred, due to the lack of wireless resources of one of the channels after the UE is transferred, the UE that has been switched cannot communicate normally, or cannot obtain enough resources for timely communication, etc., ensuring the balancing effect of load balancing.

In order to obtain a more comprehensive load evaluation index, the number of users in the cell is also introduced in this embodiment. In this embodiment, the number of users in the cell may be used to indicate the number of UEs already accessed in the cell formed by the coverage of the corresponding base station, or the number of UEs camped in the corresponding cell. Each cell is limited to the maximum number of users that can be accommodated by communication resources. If the first base station obtains the number of users in the cell of the second base station, it can know whether the current second base station can still accept new UE access, or can also How many UEs are accepted.

In this embodiment, the load information also includes a load evaluation index for measuring the communication bandwidth as a whole. For example, the bandwidth, where the bandwidth may include: all available bandwidth of the second base station or currently available remaining bandwidth. According to the remaining bandwidth, the first base station determines whether the second base station has enough bandwidth to accommodate more UEs, and if the UE is transferred to the cell of the second base station, whether the second base station has enough bandwidth to allocate the newly cut-in UE to communicate.

Optionally, as shown in Figure 2, the method further includes:

Step S101: using the X2 interface to send a request carrying a reporting feature to the second base station, wherein the reporting feature is used to indicate information that the second base station periodically sends to the first base station;

Step S102: using the X2 interface to receive a response returned by the second base station based on the request, wherein the response includes: information that the second base station can periodically return to the first base station;

Step S103: Receive load information periodically sent by the second base station from the X2 interface.

In this embodiment, the first base station receives the load information from the X2 interface, which may be based on a request from the first base station. In this embodiment, first, the first base station sends a request to the second base station. The request carries a report characteristic, and the report characteristic may include one or more bits, and the report characteristic may indicate the information content requested by the second base station according to the value of the one or more bits.

After receiving the request in step S102, the second base station will determine whether or not the requested information can be sent to the first base station according to the information it can form, and then return a response to the first base station. In this case, the response returned by the second base station will be received in step S102. The second base station may give a transmittable indication and an untransmittable indication of the response for each information content indicated for transmission in the response. For example, different values of one or more bits are used to represent the transmittable indication and the non-transmittable indication.

If the second base station determines to periodically return information to the first base station, it will periodically receive the information returned by the second base station in step S103, the information at least carries load information, where the load information can be one or more of the aforementioned Multiple load evaluation metrics.

In some embodiments, the request may also carry a period indication, and the period indication is used to indicate a period for sending the load information. In some embodiments, the request may also carry information such as a time period for instructing the second base station to periodically send the load information.

Optionally, the S101 may include:

sending a resource status request to the second base station by using the X2 interface;

The step S102 may include:

using the X2 interface to receive a resource status response returned by the second base station based on the resource status request;

The step S103 may include:

Periodically receiving, from the X2 interface, a resource status update carrying the load information sent by the second base station.

In this embodiment, the load information transmission request is attached to the resource status request, so that it is unnecessary to develop a new request and occupy new signaling to transmit the load information transmission request.

The response received in step S102 naturally also carries a resource status response indicating whether the second base station can transmit the corresponding load information. After receiving the resource status request response, the first base station can know which resource status information and/or load information the second base station can currently transmit to itself.

In step S103, the first base station also receives a resource status update carrying load information from the second base station through the X2 interface. The resource status update here carries various fields that the first base station instructs the second base station to transmit, and one or more of these fields carry the load information.

In this embodiment, the resource status request, resource status response and resource status update are multiplexed to realize the negotiation and transmission of load information transmission, and based on the X2 interface, on the one hand, the successful transmission of load information is improved, and on the other hand, the multiplexed The resource status transmission process realizes the simplification of information transmission and the compatibility of transmission between different information.

Optionally, the report feature includes: a first bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; wherein the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate;

The load information is carried in one or more PRB information elements of the PRB period field;

The step S103 may include: receiving the PRB period field from the X2 interface.

In this embodiment, the report feature includes multiple bits, and each bit can be used to indicate the transmission of a field. The first bit here is a bit indicating whether the PRB period field is transmitted, and it is usually the first bit in the reporting feature.

The PRB period field includes a plurality of information elements, these information elements are called PRB information elements, and these PRB information elements will be returned to the first base station in the bearer status resource update. These information elements are information sources that characterize the PRB utilization of the second base station from different dimensions and the PRB utilization of different levels.

For example, the PRB cycle field includes: UL non-GRB PRB information element carrying uplink (UL) non-guaranteed bit rate (non-GRB) PRB utilization rate, DL GRB PRB information element carrying downlink (DL) non-GRB PRB utilization rate Cell, DL total PRB utilization cell, UL total PRB utilization cell and 6 cells. The DL total PRB utilization rate here includes: the total utilization rate of the PRBs occupied by UL non-GRB services and the PRBs occupied by UL GRB services; the DL total PRB utilization rate includes: the PRBs occupied by DL non-GRB services and the UL Total utilization of PRBs occupied by GRB services.

Usually, for subsequent expansion, these cells reserve some unused reserved bytes. In this embodiment, one or more load evaluation indicators in the load information can be carried in these reserved bytes and transmitted to the first base station. In this way, when the first base station receives the update of the resource state, it can extract the corresponding load evaluation index from the corresponding reserved byte when receiving and unloading the PRB period field.

In this embodiment, the PRB period field includes: 6 PRB information elements. The load information includes 6 load evaluation indicators, and in this embodiment, each of the 6 cells in the PRB period field carries 1 load evaluation indicator. For example, use the UL non-GRB PRB utilization cell to carry the radio resource utilization of the uplink traffic channel; use the DL non-GRBP PRB utilization cell to carry the radio resource utilization of the downlink traffic channel; use the UL GRB PRB utilization cell to carry the Control channel radio resource utilization for downlink scheduling; DL GRB PRB utilization cells are used to carry control channel radio resource utilization for uplink scheduling; UL total PRB utilization cells are used to carry the number of users in the cell. Utilizes the total PRB utilization rate of the DL to bear the bandwidth of the cell.

Optionally, the report feature includes: a first bit and a second bit;

The first bit is used to indicate whether to periodically transmit the PRB period field of the physical resource block; the PRB period field includes: one or more information elements indicating the PRB utilization rate;

The second bit is used to indicate whether to periodically transmit the composite available capacity CAC cycle field; the CAC cycle field includes: one or more information elements indicating the available capacity;

Wherein, a part of the load information is carried in one or more information elements of the PRB period field, and the remaining part of the load information is carried in one or more information elements of the CAC period field;

The step S103 includes:

Receive the PRB period field and the CAC period field from the X2 interface.

The second bit here does not indicate the second bit in the reporting feature, but refers to one bit different from the first bit. The second bit here is used for the first base station to indicate to the second base station whether to transmit the CAC period field. Call 1 bit, which can include: "0" and "1" two values. Assuming that "1" indicates that the corresponding period field is transmitted, then "0" indicates that the corresponding period field is not transmitted; or, on the contrary, "0" indicates that the corresponding period field is transmitted, then "1" indicates that the corresponding period field is not transmitted Period field for .

In this embodiment, the CAC period field may include 4 information elements, which are: DL capacity information element carrying DL capacity value, UL capacity information source carrying UL capacity value, and DL cell capacity carrying DL cell capacity level value The level information source and the UL cell capacity level information element carrying the UL cell capacity level value.

Some unused reserved bytes are also reserved in the 4 cells of these CAC period fields. When the reserved bytes in the PRB period field are not enough to carry load information, or need to be reserved for other purposes, in this embodiment The CAC period field is used to carry a part of load information, for example, to carry a load evaluation index.

Specifically, for example, the PRB period field is used to carry 4 load evaluation indicators, and the CAC period field is used to carry the remaining 2 load evaluation indicators. For example, UL non-GRB PRB cells, DL non-GRB PRB cells, UL GRB PRB cells, and DL GRB PRB cells in the PRB period field are used sequentially to carry and use the radio resource utilization rate of the uplink service channel, downlink The radio resource utilization rate of the traffic channel, the radio resource utilization rate of the control channel used for downlink scheduling, and the radio resource utilization rate of the control channel used for uplink scheduling.

Two information elements in the CAC period field are used to carry the remaining two load evaluation indicators. In this embodiment, the DL capacity information element and the DL cell capacity level information element in the CAC period field can be used to carry the number of users in the cell and

bandwidth.

Optionally, the first bit is used to indicate whether to periodically transmit a physical resource block PRB period field; the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate and the information element used to carry the load information payload cell;

Part of the load information is carried in the PRB cell, and the rest of the load information is carried in the load cell;

The step S103 includes:

receiving the PRB period field carrying both the PRB information element and the load information source from the X2 interface.

The PRB information element may be an original information element of the PRB period field. In some cases, the reserved bytes of the PRB cells are not enough to carry all the load information, or need to be reserved for other purposes. In this embodiment, in order to solve this problem, one or more load cells. The load cell is a cell dedicated to bear load information.

In this implementation, the PRB cell is used to carry a part of the load evaluation index, and another part of the load evaluation index is carried in the load cell, which ensures that the first base station obtains all the first base stations that it needs after receiving the PRB period field. The load evaluation index of the second base station.

In some embodiments, only the load cell can be used to carry all load information, so that all load evaluation indicators can be directly extracted from the load cell.

In this embodiment, first use the PRB period field

Optionally, the report feature includes: a third bit;

The third bit is a reserved bit of the reporting feature, and is used to indicate whether to transmit a dedicated bit of the load period field;

The load information is carried in the load cycle field;

The step S103 may include:

receiving a duty cycle field periodically sent by the second base station from the X2 interface.

In this embodiment, the third bit may be a bit different from the first bit and the second bit in the reporting feature. The bit may be a reserved bit of the reporting feature, for example, one of the 8th bit to the 32nd bit in the reporting feature.

In this embodiment, a special load period field of the bearing load evaluation index is also set. The load cycle field is a dedicated cycle field for carrying load information. The duty cycle field may include: one or more information elements. For example, the load period field may include: 6 cells, and one cell carries one load evaluation index. In some embodiments, multiple load evaluation indicators can be carried in one information element. In this embodiment, it is preferable that each cell in the load period field carries a load evaluation index, which facilitates subsequent analysis by the first base station and simplifies the analysis operation of the first base station.

Optionally, the step S101 may include:

Using the X2 interface to send a load interaction request carrying a reporting feature to the second base station; wherein the reporting feature is used to indicate a load evaluation index of load information periodically sent by the second base station;

The step S102 may include:

receiving a load interaction response returned by the second base station based on the load interaction request from the X2 interface;

The step S103 may include:

receiving a load interaction update of the second base station carrying the load information from the X2 interface.

In this embodiment, the load interaction request, the load interaction response, and the load interaction update may be additional signaling dedicated to load information interaction.

The method also includes:

receiving a load interaction failure indication fed back by the second base station when the load information cannot be provided from the X2 interface.

In this embodiment, a load interaction failure indication is added, for the second base station to notify the first base station through the load interaction failure indication that the second base station cannot provide the first base station with the load evaluation index required by the first base station.

As shown in FIG. 3, this embodiment provides a method for interacting with load information, which is applied to the second base station, including:

Sending load information to the first base station through the X2 interface, wherein the load information includes: a load evaluation index of the second base station.

In this embodiment, the second base station sends load information to the first base station. Before sending the load information, the second base station also performs load evaluation according to its own load status to obtain a load evaluation index, thereby generating the load information that needs to be sent. Load information for the first base station.

In this embodiment, the second base station uses the X2 interface to send to the first base station, which solves the problem of sending failure caused by poor interoperability or weak compatibility using the private interface.

Optionally, the sending the load information to the first base station through the X2 interface includes multiple ways, and an optional way is provided below.

method one:

The sending load information to the first base station through the X2 interface includes:

The PRB information element carrying the load information in the PRB period field of the physical resource block is sent to the first base station through the X2 interface, and the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate .

In this embodiment, the PRB information element may be one or more load evaluation indicators in one or more bearer load information carried in each information element.

In this embodiment, the reserved byte in the PRB information element is used to carry the load evaluation index. In this embodiment, preferably, one PRB information element carries one load evaluation index. In this way, when there are six load evaluation indicators, the six PRB cells just use their respective reserved bytes to carry one load evaluation indicator. ,

Method 2:

The sending load information to the first base station through the X2 interface includes:

Carry part of the load information in the PRB period field and the rest in the composite available capacity CAC period field, and send it to the first base station through the X2 interface, wherein the CAC period field includes: one indicating the available capacity or multiple cells.

In this embodiment, multiple load evaluation indicators of the load information are respectively carried in the PRB cycle field and the CAC cycle field, and the load evaluation indexes are carried by the PRB cycle field and the CAC cycle field.

Method 3:

The sending load information to the first base station through the X2 interface includes:

The PRB cell and the remaining part of the load information carried in the PRB cycle field are carried in the load cell, and sent to the first base station through the X2 interface, wherein the load cycle field is the Dedicated field to describe load information.

In this mode, part of the load information is carried in the PRB cells, and another part of the load information is carried in the load cells. The payload information element is a dedicated information element newly added in the PRB period field.

Method 4:

The sending load information to the first base station through the X2 interface includes:

Carry all the load information in the load information element of the PRB cycle field, and send it to the first base station through the X2 interface.

In this embodiment, a load cell dedicated to carrying the load information is added to the PRB period field. The load information element carries all load evaluation indicators that need to be sent to the first base station, and is sent to the first base station through the X2 interface.

Way five:

The sending load information to the first base station through the X2 interface includes:

Carry all the load information in the load cycle field, and send it to the first base station through the X2 interface.

In this embodiment, the load period field may be specially set in the resource status update, and all load information to be transmitted shall be carried in the load period field, and sent to the first base station through the X2 interface.

In some embodiments, the load period field may be a field dedicated to sending load information in the load interaction update.

In some embodiments, the interaction method applied to the load information of the second base station may include:

Receive a request with a reporting feature;

determining a transmittable period field based on the report feature, and sending a response to the first base station;

Updates with load information are sent periodically.

In some embodiments, the request may be the aforementioned resource status request, the response may be a resource status response, and the update may be a resource status update carrying load information.

In other embodiments, the request may be the aforementioned load interaction request, the response may be a load interaction response, and the update may be a load interaction update dedicated to sending load information.

This embodiment provides a device for interacting with load information, which is applied to the first base station, including:

The first receiving unit is configured to receive load information sent by the second base station from the X2 interface, wherein the load information includes: a load evaluation index of the second base station.

The first receiving unit corresponds to the X2 interface. The apparatus may further include a memory for storing the received load information. The memory may include cache or non-transitory storage media.

In this embodiment, the load information interaction device uses the X2 interface to exchange load information between different base stations, which simply solves the problem of low transmission success rate caused by the use of private interface transmission of load information, and has the characteristics of high transmission success rate .

Optionally, the load information includes at least one of the following:

Uplink business channel wireless resource utilization;

Utilization rate of wireless resource of downlink traffic channel;

Control channel radio resource utilization for downlink scheduling;

Control channel radio resource utilization for uplink scheduling;

The number of users in the community;

bandwidth.

For the relevant descriptions of the above various load information in this embodiment, reference may be made to the corresponding parts of the foregoing embodiments, which will not be repeated here.

Optionally, as shown in Figure 4, the device further includes:

The first sending unit 101 is configured to use the X2 interface to send a request carrying a report feature to the second base station, where the report feature is used to instruct the second base station to periodically send a request to the first base station Information;

The first receiving unit 102 is further configured to use the X2 interface to receive a response returned by the second base station based on the request, where the response includes: the second base station can send a periodic message to the first base station Sexually returned information;

The first receiving unit 102 is specifically configured to receive, from the X2 interface, load information periodically sent by the second base station.

In this embodiment, the device further includes a first sending unit, and the first sending unit may also correspond to an X2 interface, and the X2 interface can receive information and send information.

Optionally, the first sending unit 101 is specifically configured to use the X2 interface to send a resource status request to the second base station; the first receiving unit 102 is specifically configured to use the X2 interface to receive the A resource status response returned by the second base station based on the resource status request; and periodically receiving a resource status update carrying the load information sent by the second base station from the X2 interface.

In still some embodiments, the reporting feature includes: a first bit; the first bit is used to indicate whether to periodically transmit a PRB period field; wherein, the PRB period field includes: indicating PRB utilization rate; the load information is carried in one or more cells of the PRB cycle field; the first receiving unit 102 is specifically configured to receive the PRB cycle field from the X2 interface .

Optionally, the reporting feature includes: a first bit and a second bit; the first bit is used to indicate whether to periodically transmit a PRB period field; the PRB period field includes: indicating the PRB utilization rate One or more PRB information elements; the second bit is used to indicate whether to periodically transmit the composite available capacity CAC period field; the CAC period field includes: one or more information elements indicating the available capacity; wherein, a part of the The load information is carried in one or more PRB information elements of the PRB period field, and the remaining part of the load information is carried in one or more information elements of the CAC period field; the first receiving unit 102, Specifically, it is used to receive the PRB cycle field and the CAC cycle field from the X2 interface.

In some other embodiments, the reporting feature includes: a first bit; the first bit is used to indicate whether to periodically transmit a PRB period field; the PRB period field includes: one indicating the PRB utilization rate or a plurality of PRB cells and a load cell for carrying the load information; a part of the load information is carried in the PRB cell, and the remaining part of the load information is carried in the load cell, or all The load information is carried in the load information element; the first receiving unit 102 is specifically configured to receive the PRB period field carrying both the PRB information element and the load information source from the X2 interface.

In some other embodiments, the reporting feature includes: a third bit; the third bit is a reserved bit of the reporting feature, and is used to indicate whether to transmit a dedicated bit of the duty cycle field;

The load information is carried in the load period field; the first receiving unit 102 is specifically configured to receive the load period field periodically sent by the second base station from the X2 interface.

In some other embodiments, the request may be a load interaction request. At this time, the first sending unit 101 is specifically configured to use the X2 interface to send the load interaction carrying the report feature to the second base station. Request; wherein, the reporting feature is used to indicate the load evaluation index of the load information periodically sent by the second base station; the first receiving unit 102 is specifically used to receive the second base station from the X2 interface Based on the load interaction response returned by the load interaction request; the first receiving unit 102 is further specifically configured to receive, from the X2 interface, the load interaction update carried by the second base station that carries the load information.

Further, the first receiving unit 102 is further configured to receive a load interaction failure indication fed back by the second base station when the load information cannot be provided from the X2 interface.

In this embodiment, the transmission of the load interaction failure indication is based on the reception of the load interaction failure indication sent by the second base station, so that it is convenient for the first base station to determine that the second base station is not currently sending load information, so that there is no need to wait for the second base station to receive the load information. Load information sent by the base station.

In some embodiments, an embodiment of the present invention provides a device for interacting with load information, which is used in a second base station, including:

The second sending unit is configured to send load information to the first base station through the X2 interface, wherein the load information includes: a load evaluation index of the second base station.

In some embodiments, the interaction device further includes: a processor, which can be a central processing unit, a microprocessor, a digital signal processor, an application processor or a programmable array, etc., and can be used to generate load information .

The second sending unit may correspond to an X2 interface, and may be used to send the load information to the first base station.

Optionally, the second sending unit is specifically configured to perform one of the following;

The PRB information element carrying the load information in the PRB period field of the physical resource block is sent to the first base station through the X2 interface, and the PRB period field includes: one or more PRB information elements indicating the PRB utilization rate ;

Carry part of the load information in the PRB period field and the rest in the composite available capacity CAC period field, and send it to the first base station through the X2 interface, wherein the CAC period field includes: one indicating the available capacity or multiple cells;

carrying the PRB cell and the rest of the load information in the PRB period field in the load cell, and sending it to the first base station through the X2 interface; or, carrying all the load information in the The load cell is sent to the first base station through the X2 interface, wherein the load cell is a dedicated field for carrying the load information;

Carry all the load information in the load cycle field, and send it to the first base station through the X2 interface.

As shown in Figure 5, this embodiment also provides a base station, including:

The X2 interface 201 is used for information exchange with other base stations;

Memory 202, used to store computer programs;

The processor 203, respectively connected to the X2 interface and the memory, is used to execute the computer program and realize the interaction method of load information provided by the aforementioned one or more technical solutions.

The X2 interface 201 in this embodiment corresponds to a transceiver antenna, and can be used for information exchange between different base stations.

The memory 202 may include a storage medium, and the storage medium may be used to store computer programs.

The processor 203 may be a central processing unit, a microprocessor, a digital signal processor, an application processor or a programmable array.

The processor 203 can be connected to the X2 interface 201 and the memory 202 through a bus such as an integrated circuit bus, and can implement the aforementioned one or more load information interaction methods by executing the computer program. The processing here The load information interaction method executable by the unit 203 may include the load information interaction method applied to the first base station and/or the second base station.

The base station provided in this embodiment, that is, the base station shown in FIG. 5 may be the aforementioned first base station or the second base station.

This embodiment also provides a computer storage medium, where the computer storage medium is used to store a computer program. After the computer program is executed by a processor, the method for interacting with load information provided by the foregoing one or more technical solutions can be realized.

The computer storage medium may be various storage media such as optical disk, random storage access medium, read-only storage medium, flash memory, mobile hard disk or magnetic tape, and may be non-transient storage medium.

Several specific examples are provided below in conjunction with any of the above-mentioned embodiments:

Example one:

In this example, the load information interaction between the two eNBs can be implemented through the standard interface, for example, the X2 interface,

The load information includes 6 load evaluation indicators, which are:

1) Uplink business channel wireless resource utilization

2) Utilization rate of radio resource of downlink traffic channel

3) Control channel radio resource utilization rate for downlink scheduling

4) Control channel radio resource utilization rate for uplink scheduling

5) Number of users in the community

6) Bandwidth, specifically, may be: the entire bandwidth available to the second base station and/or the remaining bandwidth currently available to the second base station.

Example two:

In some embodiments, the interaction of resource status information can be used to compound the interaction of load information. For example, 6 information elements in the period field indicated by the first 7 bits of the report feature of the resource status request carry 6 load evaluation indicators.

As shown in Figure 6, this example provides an interaction method for resource status information carrying load information, including:

Step S201: eNB1 sends a resource status request to eNB2;

Step S202: eNB2 sends a resource status response to eNB1;

Step S203: eNB1 receives the resource status update sent by eNB2.

The resource status update may include: one or more resource status information. In this example, the resource status update also carries load information.

In this embodiment, several specific examples are provided for how the load information is carried in the period field of the resource state. The period field of the resource state may include: PRB period field, transport network layer (TNL) load indication period field for carrying transmission network layer load information, hardware load indication period field for carrying hardware load status information, load available capacity The period field, the channel state information period field for carrying channel state information, the RSRP report period field for carrying the signal and the RSRP measurement report for the winding plus noise ratio (RSRP), and the almost blank frame (Almost BlankSub-frame, ABS) for carrying ) ABS status period field of the status information.

The reporting feature of the resource status request includes 32 bits, and the first 7 bits are used to indicate whether the above-mentioned periodic field is transmitted.

example 1:

The 6 load evaluation indicators can be filled in the PRB cycle field in turn to carry DL non-GBR PRB utilization, ULnon-GBR PRB utilization, DL GBR PRB utilization, UL GBR PRB utilization, DL Total PRB utilization, ULTotal In cells of PRB utilization. By passing the PRB period field on the X2 port, the load information exchange between the two parties can be realized.

Example 2:

2) Fill in the four load evaluation indicators in sequence, the utilization rate of uplink traffic channel radio resources, the utilization rate of downlink traffic channel radio resources, the utilization rate of control channel radio resources for downlink scheduling, and the utilization rate of control channel radio resources for uplink scheduling. Enter the PRB period field into the cell carrying DL non-GBR PRB utilization rate, UL non-GBR PRB utilization rate, DL GBRPRB utilization rate, and UL GBR PRB utilization rate; fill in the number of users in the cell and the system bandwidth in the CAC In the information element carrying the DL capacity value and the DL Cell capacity level value in the period field. Passing the PRB period and CAC period fields on the X2 interface can realize the load information interaction between the two parties.

In some embodiments, the reserved bits and reserved fields of the resource status request, response and update can also be used to transmit the load information. For example, adding a load cell for dedicated load information transmission, or adding a load cycle field for dedicated load information, several specific examples are provided below.

Example 1:

1) On the basis that the PRB period field contains 6 cells, add two cells A and B, and fill in the two load evaluation indicators in cell A and cell B in turn; the remaining 4 load evaluation The index is filled into the existing 4 information elements of the resource status update, for example, the remaining 4 information elements are carried in the 4 information elements of the PRB period field. Pass the PRB cycle field and other related fields on the X2 port to realize the load information interaction between the two parties.

Example two:

A new bit indication is added in the report feature of the resource status request, such as the 8th bit, which indicates the cycle field C. The cycle field C is the aforementioned load cycle field, which can include cell D and cell E. Or fill in part of the load evaluation indicators in field C, and fill in the remaining indicators in other cycle fields. Pass field C and other relevant fields on the X2 port to realize the load information interaction between the two parties.

Example three:

This example sets up an interaction process for load information, as shown in Figure 7, which may include:

Step S301: eNB1 sends a load interaction request to eNB2;

Step S302: When eNB2 can send load information to eNB1, eNB2 sends a load interaction response to eNB1; the load interaction response here is returned based on the load interaction request, and the load interaction response can inform eNB1, and eNB2 can send load evaluation to eNB1 index;

Step S302': When eNB2 cannot send load information to eNB1, eNB2 sends a load interaction failure indication to eNB1, indicating that eNB2 cannot send load information to eNB1. It should be noted that, generally, the step S302 and the step S302' will not occur at the same time.

Step S303: eNB1 periodically receives load interaction updates from the X2 interface.

The load interaction update carries one or more additional load cycle fields for transmitting load evaluation indicators.

In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. The device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods, such as: multiple units or components can be combined, or May be integrated into another system, or some features may be ignored, or not implemented. In addition, the coupling, or direct coupling, or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be electrical, mechanical or other forms of.

The units described above 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 distributed to multiple network units; Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention can be integrated into one processing module, or each unit can be used as a single unit, or two or more units can be integrated into one unit; the above-mentioned integration The unit can be realized in the form of hardware or in the form of hardware plus software functional unit.

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the Including the steps of the foregoing method embodiments; and the foregoing storage medium includes: a removable storage device, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, etc. A medium on which program code can be stored.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (26)

1. a kind of exchange method of information on load, which is characterized in that be applied in first base station, comprising:

The information on load that the second base station is sent is received from X2 interface, wherein the information on load, comprising: second base station Load evaluation index.

2. the method according to claim 1, wherein

The information on load includes at least one of:

Reverse link traffic channel wireless resource utility efficiency；

Downlink traffic channel wireless resource utility efficiency；

Control channel wireless resource utility efficiency for descending scheduling；

Control channel wireless resource utility efficiency for uplink scheduling；

Intra-cell users number；

Bandwidth.

3. method according to claim 1 or 2, which is characterized in that

The method also includes:

The request for carrying report characteristics is sent to second base station using the X2 interface, wherein the report characteristics are used In the information for indicating that second base station is periodically sent to the first base station；

The response that second base station is returned based on the request is received using the X2 interface, wherein the response includes: institute State the information that the second base station can periodically be returned to the first base station；

It is described that the information on load that the second base station is sent is received from X2 interface, comprising:

The information on load of second base station periodicity sending is received from the X2 interface.

4. according to the method described in claim 3, it is characterized in that,

It is described to send the request for carrying report characteristics to second base station using the X2 interface, comprising:

Resource status is sent to second base station using the X2 interface to request；

It is described that the response that second base station is returned based on the request is received using the X2 interface, comprising:

The resource status that second base station is returned based on resource status request is received using the X2 interface to respond；

The information on load that second base station periodicity sending is received from the X2 interface, comprising:

The resource status for carrying the information on load sent from the second base station described in the X2 interface periodic receipt updates.

5. according to the method described in claim 4, it is characterized in that,

The report characteristics include: the first bit；

First bit is used to indicate whether cyclical transmission Physical Resource Block PRB period field；Wherein, the PRB period Field includes: the one or more cells for indicating PRB utilization rate；

The information on load carries in one or more cells of the PRB period field；

It is described that the information on load that the second base station is sent is received from X2 interface, comprising:

The PRB period field is received from the X2 interface.

6. according to the method described in claim 4, it is characterized in that,

The report characteristics include: the first bit and the second bit；

First bit is used to indicate whether cyclical transmission Physical Resource Block PRB period field；The PRB period field It include: the one or more PRB cells for indicating PRB utilization rate；

Second bit is used to indicate whether the compound active volume CAC period field of cyclical transmission；The CAC period word Section includes: the one or more cells for indicating active volume；

Wherein, a part of information on load is carried in one or more PRB cells of the PRB period field, remainder The information on load is divided to be carried in one or more cells of the CAC period field；

It is described that the information on load that the second base station is sent is received from X2 interface, comprising:

The PRB period field and the CAC period field are received from the X2 interface.

7. according to the method described in claim 4, it is characterized in that,

The report characteristics include: the first bit；

First bit is used to indicate whether cyclical transmission Physical Resource Block PRB period field；The PRB period field It include: the one or more PRB cells for indicating PRB utilization rate and the load cell for carrying the information on load；

A part of information on load is carried on the instruction PRB cell, and information on load described in remainder is carried on described negative Lotus cell, or all information on load are carried in the load cell；

It is described that the information on load that the second base station is sent is received from X2 interface, comprising:

The PRB period field of PRB cell and load information source is received while carried from the X2 interface.

8. according to the method described in claim 4, it is characterized in that,

The report characteristics include: third bit；

The third bit is the reservation bit of the report characteristics, is used to indicate whether the dedicated ratio of transmission load period field It is special；

The information on load is carried in the load period field；

It is described that the information on load that the second base station is sent is received from X2 interface, comprising:

The load period field of second base station periodicity sending is received from the X2 interface.

9. according to the method described in claim 3, it is characterized in that,

It is described to send the request for carrying report characteristics to second base station using the X2 interface, comprising:

The load interaction request for carrying report characteristics is sent to second base station using the X2 interface；Wherein, the report Feature is accused, the load evaluation index of the information on load of second base station periodicity sending is used to indicate；

It is described that the response that second base station is returned based on the request is received using the X2 interface, comprising:

The load interaction response that second base station is returned based on the load interaction request is received from the X2 interface；

The information on load that second base station periodicity sending is received from the X2 interface, comprising:

The load interactive refreshing that second base station carries the information on load is received from the X2 interface.

10. according to the method described in claim 9, it is characterized in that,

The method also includes:

The load interaction fed back when the information on load can not be provided second base station is received from X2 interface unsuccessfully to indicate.

11. a kind of exchange method of information on load, which is characterized in that be applied in the second base station, comprising:

Information on load is sent to first base station by X2 interface, wherein the information on load, comprising: bear second base station Lotus evaluation index.

12. according to the method for claim 11, which is characterized in that

It is described that information on load is sent to first base station by X2 interface, comprising:

The information on load is carried on to the PRB cell of Physical Resource Block PRB period field, institute is sent to by the X2 interface First base station is stated, the PRB period field includes: the one or more PRB cells for indicating PRB utilization rate；

The information on load part is carried on the PRB period field and remainder is carried on compound active volume CAC weeks Phase field is sent to the first base station by X2 interface, wherein the CAC period field includes: indicate active volume one A or multiple cells；

The information on load part is carried on the PRB cell of the PRB period field and remainder is carried on load Cell is sent to the first base station by X2 interface；Or, the information on load is all carried in the load cell, The first base station is sent to by the X2 interface, wherein the load cell, for the dedicated word for carrying the information on load Section；

The information on load is all carried on load period field, the first base station is sent to by the X2 interface.

13. a kind of interactive device of information on load, which is characterized in that be applied in first base station, comprising:

First receiving unit, for receiving the information on load that the second base station is sent from X2 interface, wherein the information on load, packet It includes: the load evaluation index of second base station.

14. device according to claim 13, which is characterized in that

The information on load includes at least one of:

Reverse link traffic channel wireless resource utility efficiency；

Downlink traffic channel wireless resource utility efficiency；

Control channel wireless resource utility efficiency for descending scheduling；

Control channel wireless resource utility efficiency for uplink scheduling；

Intra-cell users number；

Bandwidth.

15. device described in 3 or 14 according to claim 1, which is characterized in that

Described device further include:

First transmission unit, for the request for carrying report characteristics to be sent to second base station using the X2 interface, In, the report characteristics are used to indicate the information that second base station is periodically sent to the first base station；

First receiving unit is also used to receive the sound that second base station is returned based on the request using the X2 interface It answers, wherein the response includes: the information that second base station can periodically be returned to the first base station；

First receiving unit, the load specifically for receiving second base station periodicity sending from the X2 interface are believed Breath.

16. device according to claim 15, which is characterized in that

First transmission unit is specifically used for sending resource status request to second base station using the X2 interface；

First receiving unit is asked specifically for receiving second base station using the X2 interface based on the resource status The resource status of return is asked to respond；And the load is carried from what the second base station described in the X2 interface periodic receipt was sent The resource status of information updates.

17. device according to claim 16, which is characterized in that

The report characteristics include: the first bit；

First bit is used to indicate whether cyclical transmission Physical Resource Block PRB period field；Wherein, the PRB period Field includes: the one or more cells for indicating PRB utilization rate；

The information on load carries in one or more cells of the PRB period field；

First receiving unit is specifically used for receiving the PRB period field from the X2 interface.

18. device according to claim 16, which is characterized in that

The report characteristics include: the first bit and the second bit；

First bit is used to indicate whether cyclical transmission Physical Resource Block PRB period field；The PRB period field It include: the one or more PRB cells for indicating PRB utilization rate；

Second bit is used to indicate whether the compound active volume CAC period field of cyclical transmission；The CAC period word Section includes: the one or more cells for indicating active volume；

Wherein, a part of information on load is carried in one or more PRB cells of the PRB period field, remainder The information on load is divided to be carried in one or more cells of the CAC period field；

First receiving unit is specifically used for receiving the PRB period field and the CAC period word from the X2 interface Section.

19. device according to claim 16, which is characterized in that

The report characteristics include: the first bit；

First bit is used to indicate whether cyclical transmission Physical Resource Block PRB period field；The PRB period field It include: the one or more PRB cells for indicating PRB utilization rate and the load cell for carrying the information on load；

A part of information on load is carried on the instruction PRB cell, and information on load described in remainder is carried on described negative Lotus cell, or all information on load are carried in the load cell；

First receiving unit, specifically for the institute of PRB cell and load information source is received while carried from the X2 interface State PRB period field.

20. device according to claim 16, which is characterized in that

The report characteristics include: third bit；

The third bit is the reservation bit of the report characteristics, is used to indicate whether the dedicated ratio of transmission load period field It is special；

The information on load is carried in the load period field；

First receiving unit, specifically for receiving the load period of second base station periodicity sending from the X2 interface Field.

21. device according to claim 15, which is characterized in that

First transmission unit carries report characteristics specifically for sending using the X2 interface to second base station Load interaction request；Wherein, the report characteristics are used to indicate the load of the information on load of second base station periodicity sending Evaluation index；

First receiving unit is specifically used for receiving second base station based on the load interaction request from the X2 interface The load interaction response of return；

First receiving unit carries the information on load also particularly useful for second base station is received from the X2 interface Load interactive refreshing.

22. according to the method for claim 21, which is characterized in that

First receiving unit is also used to receive second base station from X2 interface anti-when that can not provide the information on load The load interaction of feedback unsuccessfully indicates.

23. a kind of interactive device of information on load, which is characterized in that be applied in the second base station, comprising:

Second transmission unit, for sending information on load to first base station by X2 interface, wherein the information on load, comprising: The load evaluation index of second base station.

24. device according to claim 23, which is characterized in that

Second transmission unit is specifically used for executing following one；

The information on load is carried on to the PRB cell of Physical Resource Block PRB period field, institute is sent to by the X2 interface First base station is stated, the PRB period field includes: the one or more PRB cells for indicating PRB utilization rate；

The information on load part is carried on the PRB period field and remainder is carried on compound active volume CAC weeks Phase field is sent to the first base station by X2 interface, wherein the CAC period field includes: indicate active volume one A or multiple cells；

The information on load part is carried on the PRB cell of the PRB period field and remainder is carried on load Cell is sent to the first base station by X2 interface；Or, the information on load is all carried in the load cell, The first base station is sent to by the X2 interface, wherein the load cell, for the dedicated word for carrying the information on load Section；

The information on load is all carried on load period field, the first base station is sent to by the X2 interface.

25. a kind of base station characterized by comprising

X2 interface carries out information exchange with other base stations for carrying out；

Memory, for storing computer program；

Processor realizes claim 1 for executing the computer program respectively at the X2 interface and the memory The exchange method of the information on load provided to any one of 12.

26. a kind of computer storage medium, which is characterized in that the computer storage medium is for storing computer program, institute It states after computer program is executed by processor, can be realized the interaction side for the information on load that any one of claim 1 to 12 provides Method.