CN107135502A

CN107135502A - The sending method and device of a kind of system information

Info

Publication number: CN107135502A
Application number: CN201710307818.1A
Authority: CN
Inventors: 孙建成; 鲍炜; 刘爱娟
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2017-05-04
Filing date: 2017-05-04
Publication date: 2017-09-05
Anticipated expiration: 2037-05-04
Also published as: CN107135502B; WO2018201934A1

Abstract

The present invention provides the sending method and device of a kind of system information, and the sending method applied to distribution node DU includes：Obtain the information for the system information block that terminal request is subscribed to；The information for the system information block that terminal request is subscribed to is sent to terminal；The 5G systems that the embodiment of the present invention is separated for DU and CU, the system information that distribution node DU is interacted to subscribe to terminal request respectively with Centroid CU and user terminal is sent to terminal, so as to flexibly support under the framework that CU is separated with DU, power consumption of the system information of end side request in the generation and transmission, further reduction terminal of network side.

Description

The sending method and device of a kind of system information

Technical field

The present invention relates to communication technical field, the sending method and device of a kind of system information are particularly related to.

Background technology

In LTE (Long Term Evolution) system, access network (E-UTRAN) is made up of multiple base station eNodeBs, eNodeB (bases Stand) it is connected between EPC (packet-based core networks) by S1 interfaces, eNodeB is connected between (base station) by X2 interface.In 5G systems In system, control and scheduling that a Centroid (CU, Central Unit) is concentrated, Radio Resource are introduced in access network RRC function and the function of part layer 2 are controlled in Centroid CU, other function distributings of base station distribution node (DU, Distribute Unit) on.The interface (Xn) that the interface (NG) of base station and core net is terminated between Centroid CU, base station Also Centroid CU is terminated in.

In the prior art, network side node be divided into Centroid (CU, Central Unit) and distribution node (DU, Distribute Unit)；User's side gusset is terminal；Interface between Centroid CU and distribution node DU is called F1 interfaces.

And the separation of the CU and DU on wireless access network RAN sides, specific separate mode includes：

Mode 1：Radio resource control RRC is in CU, PDCP PDCP, radio link control RLC, matchmaker Body access control protocol MAC and physical layer, radio frequency is in DU.

Mode 2：RRC, PDCP are in CU, RLC, MAC and physical layer, and RF is in DU.

Mode 3：RRC, PDCP, RLC high level are in CU, RLC bottom, MAC and physical layer, and RF is in DU.

Mode 4：RRC, PDCP, RLC are in CU, MAC and physical layer, and RF is in DU.

Mode 5：RRC, PDCP, RLC, MAC's high-rise in CU, MAC bottom and physical layer, RF is in DU.

Mode 6：RRC, PDCP, RLC, MAC are in CU, physical layer, and RF is in DU.

Mode 7：RRC, PDCP, RLC, MAC and part physical layer are in CU, and the bottom and RF of physical layer are in DU.

Mode 8：RRC, PDCP, RLC, MAC and physical layer are in CU, and RF is in DU.

In 5G systems, it is contemplated that the problems such as power consumption of terminal, part system block of information can be sent based on the request of terminal (on-demand basis).In simple terms, system information is made up of multiple SIB (or being SI message).MIB (main systems Information) it is scheduled in fixed position and cycle, the schedule information containing the key such as SIB1 SIB in MIB.Contain it in SIB1 Its all SIB schedule information.

5G is each SIB for supporting to subscribe in order to support system information to send on demand, in SIB1 there is provided one bit, 0 Represent that the SIB is not scheduled within next dispatching cycle, 1 represents that the SIB can be scheduled in the next cycle.Therefore, correspondence is multiple Support to subscribe to SIB, have multiple bit and indicate whether these SIB can be scheduled.Request based on UE, network starts to dispatch some The SIB subscribed to is supported, network should then change SIB1 content simultaneously, be 1 by the bit positions of the corresponding schedule informations of the SIB.Together Sample, while dispatching multiple SIB, 1 is set to by the bit positions of scheduled SIB schedule information entirely.

In LTE system, system information is broadcasted by base station completely, can be notified during system information modification by beep-page message Terminal carries out system information renewal；And be not limited in 5G systems CU and DU separation scheme in how to realize network side with The transmission of the system information of end side.

The content of the invention

It is an object of the invention to provide a kind of sending method of system information and device, solve in the prior art CU and The problem of transmission of system information can not be realized in DU separation schemes.

In order to achieve the above object, the embodiment of the present invention provides a kind of sending method of system information, applied to distribution section Point DU, including：

Obtain the information for the system information block that terminal request is subscribed to；

The information for the system information block that terminal request is subscribed to is sent to terminal.

Wherein, the step of information of the system information block for obtaining terminal request subscription, including：

The information and the terminal for receiving the system information block for the terminal request subscription that Centroid CU is sent please Seek the schedule information of the system information block of subscription.

Receive the auxiliary information of the system information block for the terminal request subscription that Centroid CU is sent and the end Hold the auxiliary information of the schedule information of the system information block pulled subscription；

The auxiliary information for the system information block subscribed to according to the terminal request generates the system that the terminal request is subscribed to The information of block of information, and the auxiliary information of the schedule information for the system information block subscribed to according to the terminal request generates the end Hold the schedule information of the system information block pulled subscription.

Wherein, the information of the system information block for receiving the terminal request subscription that Centroid CU is sent and institute The step of schedule information for the system information block for stating terminal request subscription, including：

The system information request of terminal is parsed, the solicited message of terminal is determined；Wherein, the request packet of the terminal Contain：The numbering for the system information block that terminal request is subscribed to；

The solicited message of the terminal is sent to Centroid CU；

Receive the system information for the terminal request subscription that Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that the information of block and the terminal request are subscribed to.

The radio resource control RRC message that receiving terminal is sent；Wherein, the system letter of the terminal is carried in RRC information Breath request；

The RRC information is passed through into Centroid CU, the RRC information parsed simultaneously by the Centroid CU Determine the solicited message of terminal；The solicited message of wherein described terminal is included：The system information block that the terminal request is subscribed to Numbering；

The system for receiving the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that the information of block of information and the terminal request are subscribed to.

Wherein, the information of the system information block for receiving the terminal request subscription that Centroid CU is sent and institute Before the step of schedule information for the system information block for stating terminal request subscription, methods described also includes：

Receive system information and storage that Centroid CU is sent；Wherein, the system information that the Centroid CU is sent Including：At least one does not support the system information block, at least one system information block for supporting subscription and multiple scheduling subscribed to Block；Included in the Scheduling Block：The schedule information of system information block, and for indicating system information block whether by current network The scheduling configured information of scheduling.

According to the solicited message of the terminal, the terminal request subscription is selected from the system information of storage is The information for block of information of uniting, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；The target is adjusted The scheduling configured information of degree block indicates that the system information block that the terminal request is subscribed to is dispatched by current network.

The configured information that the Centroid CU is sent is received, the configured information is used to indicate that distribution node DU is sent eventually Hold the system information block pulled subscription；

According to the configured information, the system information for selecting the terminal request to subscribe to from the system information of storage The information of block, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；The target dispatch block Scheduling configured information indicates that the system information block that the terminal request is subscribed to is dispatched by current network.

Wherein, the auxiliary information for receiving the system information block that the terminal request that Centroid CU sends is subscribed to And the schedule information of system information block subscribed to of the terminal request auxiliary information the step of, including：

The solicited message of the terminal is sent to Centroid CU；

The system for receiving the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal The auxiliary information of the schedule information for the system information block that the auxiliary information of block of information and the terminal request are subscribed to.

Wherein, the auxiliary information for receiving the system information block that the terminal request that Centroid CU sends is subscribed to And the system information block subscribed to of the terminal request schedule information the step of before, methods described also includes：

Receive auxiliary information and the storage for the system information that Centroid CU is sent；Wherein, the Centroid CU is sent The auxiliary information of system information include：At least one does not support the auxiliary information for the system information block subscribed to, at least one branch Hold the auxiliary information of the system information block of subscription and the auxiliary information of multiple Scheduling Blocks.

According to the solicited message of the terminal, select the terminal please from the auxiliary information of the system information of storage Seek the auxiliary information of the system information block of subscription；And select a target to adjust from the auxiliary information of the multiple Scheduling Block of storage Spend the auxiliary information of block；Wherein, the target dispatch block includes：The schedule information for the system information block that terminal request is subscribed to, with And for indicating the scheduling configured information that the system information block that the terminal request is subscribed to is dispatched by current network.

According to the configured information, the terminal request is selected to subscribe to from the auxiliary information of the system information of storage System information block auxiliary information；And a target dispatch block is selected from the auxiliary information of the multiple Scheduling Block of storage Auxiliary information；Wherein, the target dispatch block includes：The schedule information for the system information block that terminal request is subscribed to, and be used for Indicate the scheduling configured information that the system information block that the terminal request is subscribed to is dispatched by current network.

Wherein, the step of information of the system information block that terminal request is subscribed to is sent to terminal includes：

The information and the terminal request for broadcasting the system information block that the terminal request is subscribed to over the broadcast are ordered The schedule information for the system information block read.

The embodiment of the present invention also provides a kind of sending method of system information, applied to Centroid CU, including：

The system subscribed to the distribution node DU information or terminal request for sending the system information block that terminal request is subscribed to The auxiliary information of block of information so that the information for the system information block that the distribution node DU subscribes to the terminal request is sent eventually End, or so that the auxiliary information for the system information block that the distribution node DU is subscribed to according to the terminal request generates the end Hold the information of the system information block pulled subscription and be sent to terminal.

Wherein, the information or terminal request that the system information block that terminal request is subscribed to is sent to distribution node DU is ordered The step of auxiliary information for the system information block read, including：

Receive the solicited message of the terminal of the distribution node DU forwardings；The solicited message of the terminal is included：Eventually Hold the numbering of the system information block pulled subscription；

The information of the system information block that the terminal request is subscribed to is generated and described according to the solicited message of the terminal The schedule information for the system information block that terminal request is subscribed to, and be to what the distribution node DU sent the terminal request subscription The schedule information for the system information block that the information and the terminal request for block of information of uniting are subscribed to；Or asking according to the terminal The system letter that the auxiliary information and the terminal request for asking information to generate the system information block that the terminal request is subscribed to are subscribed to The auxiliary information of the schedule information of block is ceased, and the system information block that the terminal request is subscribed to is sent to the distribution node DU The auxiliary information of the schedule information for the system information block that auxiliary information and the terminal request are subscribed to.

Receive the radio resource control RRC message that the terminal of the distribution node DU transparent transmissions is sent；Wherein, RRC disappears The system information request of the terminal is carried in breath；

The RRC information is parsed, the solicited message of the terminal is determined；Wherein, the solicited message of the terminal Comprising：The numbering for the system information block that the terminal request is subscribed to；

Wherein, the step of information of the system information block that terminal request subscription is sent to distribution node DU, including：

System information is sent to distribution node DU；Wherein, the system information includes：At least one do not support subscribe to be System information block and multiple Scheduling Blocks that system block of information, at least one support are subscribed to；Included in the Scheduling Block：System information The schedule information of block, and for indicate system information block whether the scheduling configured information dispatched by current network；So that described What distribution node DU can select that the terminal request subscribes to according to the solicited message of the terminal from the system information is The information for block of information of uniting.

Wherein, the step of the auxiliary information that the system information block that the terminal request is subscribed to is sent to distribution node DU Suddenly, including：

The auxiliary information of system information is sent to distribution node DU；Wherein, the auxiliary information of the system information includes：Extremely Lack the auxiliary information of a system information block for not supporting the auxiliary information for the system information block subscribed to, at least one support to subscribe to And the auxiliary information of multiple Scheduling Blocks；Enable the distribution node DU according to the solicited message of the terminal from the system The auxiliary information of the system information block of the terminal request subscription is selected in the auxiliary information for information of uniting.

The embodiment of the present invention also provides a kind of dispensing device of system information, applied to distribution node DU, including：

Data obtaining module, the information of the system information block for obtaining terminal request subscription；

Information sending module, the information of the system information block for terminal request to be subscribed to is sent to terminal.

Wherein, described information acquisition module includes：

First information acquisition submodule, for receiving the system information that the terminal request of Centroid CU transmissions is subscribed to The schedule information for the system information block that the information of block and the terminal request are subscribed to.

Wherein, data obtaining module includes：

Second acquisition of information submodule, for receiving the system information that the terminal request of Centroid CU transmissions is subscribed to The auxiliary information of the schedule information for the system information block that the auxiliary information of block and the terminal request are subscribed to；

3rd acquisition of information submodule, for the auxiliary information generation for the system information block subscribed to according to the terminal request The information for the system information block that the terminal request is subscribed to, and the scheduling letter for the system information block subscribed to according to the terminal request The auxiliary information of breath generates the schedule information for the system information block that the terminal request is subscribed to.

Wherein, the first information acquisition submodule includes：

First resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, it is described The solicited message of terminal is included：The numbering for the system information block that terminal request is subscribed to；

First transmitting element, for the solicited message of the terminal to be sent into Centroid CU；

First receiving unit, please for receiving the terminal that Centroid CU is generated according to the solicited message of the terminal Seek the schedule information of the information of the system information block of subscription and the system information block of terminal request subscription.

Wherein, the first information acquisition submodule includes：

Second receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carried in RRC information The system information request of the terminal；

First transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to described RRC information is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is ordered The numbering for the system information block read；

3rd receiving unit, for receiving the end that the Centroid CU is generated according to the solicited message of the terminal Hold the schedule information of the information of the system information block pulled subscription and the system information block of terminal request subscription.

Wherein, described device also includes：

First receives memory module, system information and storage for receiving Centroid CU transmissions；Wherein, the center The system information that node CU is sent includes：At least one do not support subscribe to system information block, at least one support subscribe to be Block of information of uniting and multiple Scheduling Blocks；Included in the Scheduling Block：The schedule information of system information block, and for indicating system Block of information whether the scheduling configured information dispatched by current network.

Wherein, the first information acquisition submodule includes：

Second resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, it is described The solicited message of terminal is included：The numbering for the system information block that terminal request is subscribed to；

First choice unit, for the solicited message according to the terminal, selects institute from the system information of storage State the information of the system information block of terminal request subscription, and target corresponding with the system information block that the terminal request is subscribed to Scheduling Block；The scheduling configured information of the target dispatch block indicates the system information block of the terminal request subscription by current network Scheduling.

Wherein, the first information acquisition submodule includes：

4th receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carried in RRC information The system information request of the terminal；

Second transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to described RRC information is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is ordered The numbering for the system information block read；

5th receiving unit, for receiving the configured information that the Centroid CU is sent, the configured information is used to refer to Show that distribution node DU sends the system information block that terminal request is subscribed to；

Second selecting unit, for according to the configured information, the terminal to be selected from the system information of storage The information of the system information block pulled subscription, and target dispatch corresponding with the system information block that the terminal request is subscribed to Block；The scheduling configured information of the target dispatch block indicates that the system information block that the terminal request is subscribed to is adjusted by current network Degree.

Wherein, the second acquisition of information submodule includes：

3rd resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, it is described The solicited message of terminal is included：The numbering for the system information block that terminal request is subscribed to；

Second transmitting element, for the solicited message of the terminal to be sent into Centroid CU；

6th receiving unit, for receiving the end that the Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that the auxiliary information and the terminal request for the system information block that end pulls subscription are subscribed to Auxiliary information.

Wherein, the second acquisition of information submodule includes：

7th receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carried in RRC information The system information request of the terminal；

3rd transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to described RRC information is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is ordered The numbering for the system information block read；

8th receiving unit, for receiving the end that the Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that the auxiliary information and the terminal request for the system information block that end pulls subscription are subscribed to Auxiliary information.

Wherein, described device also includes：

Second receives memory cell, auxiliary information and storage for receiving the system information that Centroid CU is sent；Its In, the auxiliary information for the system information that the Centroid CU is sent includes：At least one does not support the system information block subscribed to Auxiliary information, at least one support subscribe to system information block auxiliary information and the auxiliary information of multiple Scheduling Blocks.

Wherein, the second acquisition of information submodule includes：

4th resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, it is described The solicited message of terminal is included：The numbering for the system information block that terminal request is subscribed to；

3rd selecting unit, for the solicited message according to the terminal, from the auxiliary letter of the system information of storage The auxiliary information of the system information block of the terminal request subscription is selected in breath；And the auxiliary of the multiple Scheduling Block from storage The auxiliary information of a target dispatch block is selected in information；Wherein, the target dispatch block includes：The system letter that terminal request is subscribed to The schedule information of block is ceased, and for indicating that the system information block that the terminal request is subscribed to is referred to by the scheduling that current network is dispatched Show information.

Wherein, the second acquisition of information submodule includes：

9th receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carried in RRC information The system information request of the terminal；

4th transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to described RRC information is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is ordered The numbering for the system information block read；

Tenth receiving unit, for receiving the configured information that the Centroid CU is sent, the configured information is used to refer to Show that distribution node DU sends the system information block that terminal request is subscribed to；

4th selecting unit, for according to the configured information, being selected from the auxiliary information of the system information of storage Select the auxiliary information for the system information block that the terminal request is subscribed to；And from the auxiliary information of the multiple Scheduling Block of storage Select the auxiliary information of a target dispatch block；Wherein, the target dispatch block includes：The system information block that terminal request is subscribed to Schedule information, and for indicating that the scheduling that the system information block that the terminal request is subscribed to is dispatched by current network indicates to believe Breath.

Wherein, described information sending module includes：

Information sending submodule, the information for broadcasting the system information block that the terminal request is subscribed to over the broadcast And the schedule information of the system information block of the terminal request subscription.

The embodiment of the present invention also provides a kind of dispensing device of system information, applied to Centroid CU, including：

Sending module, information from the system information block that terminal request is subscribed to distribution node DU or terminal for sending please Seek the auxiliary information of the system information block of subscription so that the system information block that the distribution node DU subscribes to the terminal request Information send terminal, or the auxiliary of system information block that the distribution node DU is subscribed to according to the terminal request is believed The information for the system information block that the breath generation terminal request is subscribed to simultaneously is sent to terminal.

Wherein, the sending module includes：

First receiving submodule, the solicited message of the terminal for receiving the distribution node DU forwardings；The end The solicited message at end is included：The numbering for the system information block that terminal request is subscribed to；

First sending submodule, for generating the system letter that the terminal request is subscribed to according to the solicited message of the terminal The schedule information of the information of block and the system information block of terminal request subscription is ceased, and institute is sent to the distribution node DU State the schedule information of the information of the system information block of terminal request subscription and the system information block of terminal request subscription；Or Person generates the auxiliary information for the system information block that the terminal request is subscribed to and the end according to the solicited message of the terminal The auxiliary information of the schedule information of the system information block pulled subscription is held, and the terminal request is sent to the distribution node DU The auxiliary letter of the schedule information for the system information block that the auxiliary information of the system information block of subscription and the terminal request are subscribed to Breath.

Wherein, the sending module includes：

Second receiving submodule, for receiving the wireless heterogeneous networks that the terminal of the distribution node DU transparent transmissions is sent RRC information；Wherein, the system information request of the terminal is carried in RRC information；

Analyzing sub-module, for being parsed to the RRC information, determines the solicited message of the terminal；Wherein, it is described The solicited message of terminal is included：The numbering for the system information block that the terminal request is subscribed to；

Second sending submodule, for generating the system letter that the terminal request is subscribed to according to the solicited message of the terminal The schedule information of the information of block and the system information block of terminal request subscription is ceased, and institute is sent to the distribution node DU State the schedule information of the information of the system information block of terminal request subscription and the system information block of terminal request subscription；Or Person generates the auxiliary information for the system information block that the terminal request is subscribed to and the end according to the solicited message of the terminal The auxiliary information of the schedule information of the system information block pulled subscription is held, and the terminal request is sent to the distribution node DU The auxiliary letter of the schedule information for the system information block that the auxiliary information of the system information block of subscription and the terminal request are subscribed to Breath.

Wherein, the sending module includes：

3rd sending submodule, for sending system information to distribution node DU；Wherein, the system information includes：Extremely Few one is not supported the system information block of subscription, the system information block and multiple Scheduling Blocks of at least one support subscription；It is described Included in Scheduling Block：The schedule information of system information block, and whether dispatched for indicating system information block by current network Dispatch configured information；The distribution node DU is selected according to the solicited message of the terminal from the system information The information for the system information block that the terminal request is subscribed to.

Wherein, the sending module includes：

4th sending module, the auxiliary information for sending system information to distribution node DU；Wherein, the system information Auxiliary information include：At least one do not support subscribe to system information block auxiliary information, at least one support subscribe to be The auxiliary information for block of information of uniting and the auxiliary information of multiple Scheduling Blocks；The distribution node DU enable according to the terminal Solicited message the auxiliary letter of system information block that the terminal request subscribes to is selected from the auxiliary information of the system information Breath.

The above-mentioned technical proposal of the present invention at least has the advantages that：

In the sending method and device of the system information of the embodiment of the present invention, the 5G systems separated for DU and CU, distribution The system information that node DU is interacted to subscribe to terminal request respectively with Centroid CU and user terminal is sent to end End, so as to flexibly support under the framework that CU is separated with DU, the system information of end side request is entered in the generation and transmission of network side One step reduces the power consumption of terminal.

Brief description of the drawings

Fig. 1 represents one of step flow chart of the sending method of system information provided in an embodiment of the present invention；

Fig. 2 represents the two of the step flow chart of the sending method of system information provided in an embodiment of the present invention；

Fig. 3 represents one of structural representation of dispensing device of system information provided in an embodiment of the present invention；

Fig. 4 represents the two of the structural representation of the dispensing device of system information provided in an embodiment of the present invention；

Fig. 5 represents the schematic diagram of the dispensing device of system information provided in an embodiment of the present invention.

Embodiment

To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.

As shown in figure 1, the embodiment of the present invention provides a kind of sending method of system information, applied to distribution node DU, bag Include：

Step 11, the information for the system information block that terminal request is subscribed to is obtained；

Step 12, the information for system information block terminal request subscribed to is sent to terminal.

In the 5G system architectures that DU and CU are separated, in order to reduce the power consumption of terminal device, part system block of information can be with Request based on terminal is sent, then can realize that terminal is ordered in the sending method for the system information that embodiments of the invention are provided The transmission for the system information read, solves how the network side in the 5G system architectures of DU and CU separation supports terminal request to subscribe to System information block transmission problem.

Specifically, in the above embodiment of the present invention, the system information block that the terminal request in step 11 is subscribed to can be by Centroid CU is generated；I.e. step 11 includes：

Step 111, information and the institute of the system information block for the terminal request subscription that Centroid CU is sent are received State the schedule information of the system information block of terminal request subscription.

Or, the system information block that the terminal request in step 11 is subscribed to can also be generated by distribution node DU；That is step 11 include：

Step 112, receive the auxiliary information for the system information block that the terminal request that Centroid CU sends is subscribed to And the auxiliary information of the schedule information of the system information block of the terminal request subscription；

Step 113, the auxiliary information for the system information block subscribed to according to the terminal request generates the terminal request and ordered The information for the system information block read, and the auxiliary information life of the schedule information for the system information block subscribed to according to the terminal request The schedule information for the system information block subscribed into the terminal request.

Further, for step 111, the embodiment of the present invention also provides two kinds of implementations, the respectively He of implementation 1 Implementation 2.

Implementation 1 is：System information (SI message) is generated by CU, and DU receives UE system information request, and DU notifies CU, CU prepares corresponding SI message and corresponding schedule information, and sends it to corresponding DU, DU according to schedule information by it Broadcast channel is sent to terminal device UE.

Specifically, the specific implementation procedure of step 111 is as follows in implementation 1：

Step 1, the system information request of terminal is parsed, the solicited message of terminal is determined；Wherein, the request letter of the terminal Breath is included：The numbering for the system information block that terminal request is subscribed to；That is DU receives the system information request from UE, and the request comes from The request from Msg.1 (message 1, i.e. physical layer message, such as targeting sequencing code Preamble) or Msg.3 (message 3, i.e., Medium access control MAC layer message, such as MAC-CE message).

Step 2, the solicited message of the terminal is sent to Centroid CU；Specifically, DU leads to UE request message Cross F1-AP message informings CU.

Step 3, receive Centroid CU generate according to the solicited message of the terminal the terminal request subscription be The schedule information for the system information block that the information and the terminal request for block of information of uniting are subscribed to.Specifically, CU asking according to DU Ask, prepare corresponding system information block and corresponding schedule information, and Request System letter is sent to by F1-AP message The DU of breath.

Or, the specific implementation procedure of step 111 is as follows in implementation 1：

Step 4, the radio resource control RRC message that receiving terminal is sent；Wherein, the terminal is carried in RRC information System information request；That is DU receives the system information request from UE, but the system information request is in RRC connection request message Or carried in other RRC informations.

Step 5, the RRC information is passed through into Centroid CU, the RRC information carried out by the Centroid CU Parse and determine the solicited message of terminal；The solicited message of wherein described terminal is included：The system letter that the terminal request is subscribed to Cease the numbering of block；That is RRC information by passing to CU, is parsed RRC information by CU and determines that UE asks certain system information block by DU.

Step 6, the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal is received System information block information and the terminal request subscribe to system information block schedule information.CU prepares corresponding phase really The system information block answered and corresponding schedule information, and corresponding DU is sent to by F1-AP message.

Further, implementation 2 is：System information (SI message) is generated by CU, and CU provides complete in the starting stage to DU The system message of set, and it is to support to subscribe to be explicitly indicated DU which system information block；And a full set of system message bag that CU is provided Include：Multiple Scheduling Blocks, such as SIB1；DU parses UE system information request, and the SI message for directly selecting storage is broadcasted.

Specifically, in implementation 2 before step 111, methods described also includes：

Step 1110, system information and storage that Centroid CU is sent are received；Wherein, the Centroid CU is sent System information includes：At least one do not support subscribe to system information block, at least one support subscribe to system information block and Multiple Scheduling Blocks；Included in the Scheduling Block：The schedule information of system information block, and for indicate system information block whether by The scheduling configured information of current network scheduling.That is CU sends a full set of system information in initial preparation system information phase to DU；Entirely The system information of set includes：At least one does not support the system information block that the system information block subscribed to, at least one support are subscribed to And multiple Scheduling Blocks；Wherein, the number of Scheduling Block is determined according to the quantity for the system information block for supporting to subscribe to, of Scheduling Block Number is：2ⁿ；Wherein, the quantity for the system information block that n subscribes to for support.

Assuming that system information is by SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, SIB8, SIB9 and SIB10 groups Into；Wherein, SIB1 is Scheduling Block, SIB2, SIB3, SIB4, SIB5, SIB6, and SIB7 and SIB8 are that do not support to subscribe to is letter Cease block；The system information block that SIB9 and SIB10 subscribes to for support；The full set that then CU is sent to DU in the above embodiment of the present invention System information includes：Do not support system information block SIB2, SIB3, SIB4, SIB5, SIB6, SIB7 and the SIB8 subscribed to；Support The system information block SIB9 and SIB10 of subscription；And 4 Scheduling Block SIB1, first Scheduling Block SIB1 scheduling configured information For indicating that SIB9 and SIB10 are not dispatched by current network；Second Scheduling Block SIB1 scheduling configured information is used to indicate SIB9 is not dispatched by current network, and SIB10 is dispatched by current network；3rd Scheduling Block SIB1 scheduling configured information is used for Indicate that SIB9 is dispatched by current network, and SIB10 is not dispatched by current network；4th Scheduling Block SIB1 scheduling configured information For indicating that SIB9 and SIB10 are dispatched by current network.

If it should be noted that there are 3 system information blocks for supporting to subscribe in system information, the number of Scheduling Block is 2³=8；If there are 4 system information blocks for supporting to subscribe in system information, the number of Scheduling Block is 2⁴=16；Differ herein One enumerates.

Further, the specific implementation procedure of step 111 is as follows in implementation 2,

Step 7, the system information request of terminal is parsed, the solicited message of terminal is determined；Wherein, the request letter of the terminal Breath is included：The numbering for the system information block that terminal request is subscribed to；The system information that DU is received in UE Msg.1 or Msg.3 please Ask.

Step 8, according to the solicited message of the terminal, the terminal request is selected to order from the system information of storage The information for the system information block read, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；It is described The scheduling configured information of target dispatch block indicates that the system information block that the terminal request is subscribed to is dispatched by current network.According to UE Request, the system information block for directly selecting storage broadcasted；Select what terminal request was subscribed to from multiple Scheduling Blocks simultaneously The scheduling configured information of system information block is broadcasted for 1 Scheduling Block；It is 1 instruction current network scheduling to dispatch configured information The system information block that terminal request is subscribed to.

Or, the specific implementation procedure of step 111 is as follows in implementation 2,

Step 9, the radio resource control RRC message that receiving terminal is sent；Wherein, the terminal is carried in RRC information System information request；

Step 10, the RRC information is passed through into Centroid CU, the RRC information entered by the Centroid CU Row parses and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The system that the terminal request is subscribed to The numbering of block of information；The RRC information received (system information request containing UE) is passed through CU by DU.

Step 20 receives the configured information that the Centroid CU is sent, and the configured information is used to indicate distribution node DU Send the system information block that terminal request is subscribed to；CU parses RRC information, is the discovery that UE system information request, CU is according to UE's Request, indicates that DU sends the system information block message of some subscription.

Step 21, according to the configured information, select what the terminal request was subscribed to from the system information of storage The information of system information block, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；The target The scheduling configured information of Scheduling Block indicates that the system information block that the terminal request is subscribed to is dispatched by current network.DU is according to instruction Information, selects corresponding system information block to be broadcasted from a full set of system information of storage；Selected simultaneously from multiple Scheduling Blocks The scheduling configured information for selecting the system information block of terminal request subscription is broadcasted for 1 Scheduling Block；It is 1 to dispatch configured information Indicate the system information block that current network dispatch terminal pulls subscription.

It should be noted that the system information block for not supporting scheduling, schedule information broadcast of the DU in Scheduling Block The system information block of all non-subscribed, wherein, the scheduling configured information of the system information of non-subscribed is 0 in each Scheduling Block, Indicate that current scheduling does not dispatch the system information block.

To sum up, what the system information block that the above embodiment of the present invention is subscribed to for terminal request was generated by Centroid CU Situation is described in detail, and for the sending method for the system information that the clearer description present invention is provided, illustrates such as Under：

First case (UE Request System information in Msg. or Msg.3, CU is according to request preparation system information)：

DU receives the system information request in Msg.1 or Msg.3, and the information that DU asks UE is led to by F1-AP message Know CU, such as：CU SIB 18 are notified to be requested, without providing UE id informations；CU prepares corresponding according to DU request SIB18 and SIB18 schedule information, and it is issued into corresponding DU by F1-AP；DU exists SIB18 according to schedule information Reported on broadcast channel.

(UE Request System information in Msg.1 or Msg.3, CU in advance issues a full set of system information second case DU)：

Assuming that supporting 3 subscription SI in 5G systems altogether, SIB7, SIB8, SIB9 are set to；Its schedule information is in SIB1； And UE subscription request is SI B7, SIB8；

CU prepares full set SI and corresponding schedule information and issues DU, a full set of SI contains in initial preparation system information phase Support SIB 7, SIB8, the SIB9 subscribed to, and 8 sets of SIB1 (the scheduling configured information in 8 sets of SIB1 represent respectively SIB 7, SIB8, SIB9 dispatch situation, schedule information is " 000 " in the case of being subscribed to without UE, is in the case of all pulling subscription " 111 ", other the like).DU broadcasts all non-subscribed SI according to schedule information；Selection scheduling information is 000 SIB1 is transmitted.DU receives the SI requests in UE Msg.1 or Msg.3, asks SIB7, SIB8, DU according to UE request, Subscription SIB7, the SIB8 stored is broadcasted, while broadcast scheduling configured information is 110 SIB1.Wherein " 110 " represent that terminal please Subscription SIB7 and SIB8 is sought, without the SIB9 that pulls subscription.

3rd (UE Request System information in RRC information, CU is according to request preparation system information)：

DU receives the RRC information from UE, such as：RRC Connection Request or RRC SI request message, The process that RRC information is transmitted is passed to CU by RRC information by DU by F1-AP；CU parses RRC information, learns that UE asks SIB 18, CU, according to DU request, prepare corresponding SIB18 and SIB18 schedule information, and it is issued accordingly by F1-AP DU；DU over the broadcast reports SIB18 according to schedule information.

4th (UE Request System information in RRC information, a full set of system information has been saved in DU, and CU indicates DU hairs Send system information)：

DU receives the RRC information from UE, such as：RRC Connection Request or RRC SI request message, The process that RRC information is transmitted is passed to CU by RRC information by DU by F1-AP；CU parses RRC information, learns that UE is asked SIB18, CU send F1-AP message to corresponding DU, indicate that it broadcasts certain SIB18；DU SIB18 of storage before information With corresponding schedule information, the SIB18 that UE is asked is reported over the broadcast.

In example in undertaking, the scheme for generating the system information block that terminal request is subscribed to by distribution node DU, i.e., the present invention is real Apply in example, two kinds of implementations, respectively implementation 3 and implementation 4 are also provided for step 112.

Implementation 3 is：System information (SI message) is generated by DU, and CU provides the auxiliary needed for generation system information to DU Information；And the starting stage does not provide the UE corresponding auxiliary informations of SI message of request.CU is in initial preparation system information phase, only (system message that must be sent is often referred to not support the system subscribed to subscribe to the auxiliary information for the system message that offer must be sent Block), it is sent to DU；Then DU stores the auxiliary information for the system message that must be sent that CU is sent, and generates and broadcasts all non- Ordering system information；The indicating bit of scheduling configured information wherein in Scheduling Block is 0, indicates that current network does not dispatch system letter Cease block.

Specifically, the specific implementation procedure of step 112 is as follows in implementation 3：

Step 22, the system information request of terminal is parsed, the solicited message of terminal is determined；Wherein, the request of the terminal Packet contains：The numbering for the system information block that terminal request is subscribed to；That is DU receives the system information request from UE, and the request comes From the request from Msg.1 (message 1, i.e. physical layer message, such as targeting sequencing code Preamble) or Msg.3 (message 3, That is medium access control MAC layer message, such as MAC-CE message).

Step 23, the solicited message of the terminal is sent to Centroid CU；Specifically, DU leads to UE request message Cross F1-AP message informings CU.

Step 24, the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal is received System information block auxiliary information and the terminal request subscribe to system information block schedule information auxiliary information.Tool Body, CU prepares the auxiliary information of asked system information according to DU request, and the system information block asked tune The auxiliary information of information is spent, and is sent to by F1-AP message the DU of Request System information；The auxiliary that then DU is provided according to CU is believed The system information block that breath generation terminal request is subscribed to, is sent to terminal.

Or, the specific implementation procedure of step 112 is as follows in implementation 3：

Step 25, the radio resource control RRC message that receiving terminal is sent；Wherein, the terminal is carried in RRC information System information request；That is DU receives the system information request from UE, but the system information request is in RRC connection request message Or carried in other RRC informations.

Step 26, the RRC information is passed through into Centroid CU, the RRC information entered by the Centroid CU Row parses and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The system that the terminal request is subscribed to The numbering of block of information；That is RRC information by passing to CU, is parsed RRC information by CU and determines that UE asks certain system information by DU Block.

Step 27, the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal is received System information block auxiliary information and the terminal request subscribe to system information block schedule information auxiliary information.CU According to DU request, the schedule information of the auxiliary information of the asked system information of preparation, and the system information block asked Auxiliary information, and be sent to by F1-AP message the DU of Request System information；The auxiliary information that then DU is provided according to CU is generated The system information block that terminal request is subscribed to, is sent to terminal.

Further, implementation 4 is：System information (SI message) is generated by DU, and CU provides complete in the starting stage to DU The auxiliary information of the system message of set, and it is to support to subscribe to be explicitly indicated DU which system information block；And the full set that CU is provided The auxiliary information of system message includes：The auxiliary information of the auxiliary information of multiple Scheduling Blocks, such as SIB1；The system that DU parses UE Information request, directly generates SI message according to the auxiliary information of the SI message of storage and is broadcasted.

It should be noted that CU only provides the auxiliary for the system message that must be sent in initial preparation system information phase Information (system message that must be sent is often referred to not support the system subscribed to subscribe to block), is sent to DU；Then DU stores CU and sent The system message that must be sent auxiliary information, generate and broadcast all non-subscribed system informations；Wherein in Scheduling Block The indicating bit for dispatching configured information is 0, indicates that current network does not dispatch the system information block.

Specifically, before the step 112 of implementation 4, methods described also includes：

Step 1120, auxiliary information and the storage for the system information that Centroid CU is sent are received；Wherein, the centromere The auxiliary information for the system information that point CU is sent includes：At least one does not support the auxiliary information, extremely for the system information block subscribed to The auxiliary information and the auxiliary information of multiple Scheduling Blocks for the system information block that a few support is subscribed to.

Further, the specific implementation procedure of step 112 is as follows in implementation 4：

Step 28, the system information request of terminal is parsed, the solicited message of terminal is determined；Wherein, the request of the terminal Packet contains：The numbering for the system information block that terminal request is subscribed to；DU receives the system information in UE Msg.1 or Msg.3 Request.

Step 29, according to the solicited message of the terminal, institute is selected from the auxiliary information of the system information of storage State the auxiliary information of the system information block of terminal request subscription；And selected from the auxiliary information of the multiple Scheduling Block of storage The auxiliary information of one target dispatch block；Wherein, the target dispatch block includes：The scheduling for the system information block that terminal request is subscribed to Information, and for indicating the scheduling configured information that the system information block that the terminal request is subscribed to is dispatched by current network.Root According to UE request, select the auxiliary information of the system information block of storage, and regenerate system information block to be broadcasted；It is simultaneously raw The target dispatch block of the schedule information for the system information block subscribed into carrying terminal request, the scheduling of the target dispatch block indicates letter Breath indicates that the system information block that the terminal request is subscribed to is dispatched by current network；The indicating bit that configured information will be dispatched is set to 1。

Or, the specific implementation procedure of step 112 is as follows in implementation 4：

Step 30, the radio resource control RRC message that receiving terminal is sent；Wherein, the terminal is carried in RRC information System information request；

Step 31, the RRC information is passed through into Centroid CU, the RRC information entered by the Centroid CU Row parses and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The system that the terminal request is subscribed to The numbering of block of information；The RRC information received (system information request containing UE) is passed through CU by DU.

Step 32, the configured information that the Centroid CU is sent is received, the configured information is used to indicate distribution node DU sends the system information block that terminal request is subscribed to；CU parses RRC information, is the discovery that UE system information request, CU is according to UE Request, indicate DU send some subscription system information block message.

Step 33, according to the configured information, the terminal is selected from the auxiliary information of the system information of storage The auxiliary information of the system information block pulled subscription；And select a target from the auxiliary information of the multiple Scheduling Block of storage The auxiliary information of Scheduling Block；Wherein, the target dispatch block includes：The schedule information for the system information block that terminal request is subscribed to, And for indicating the scheduling configured information that the system information block that the terminal request is subscribed to is dispatched by current network.According to UE's Ask, select the auxiliary information of the system information block of storage, and regenerate system information block and broadcasted；Carrying is generated simultaneously The target dispatch block of the schedule information for the system information block that terminal request is subscribed to, the scheduling configured information of the target dispatch block is indicated The system information block that the terminal request is subscribed to is dispatched by current network；The indicating bit that configured information will be dispatched is set to 1.

Further, in the above embodiment of the present invention, step 12 includes：

Step 121, the information for the system information block that the terminal request is subscribed to and the end are broadcasted over the broadcast Hold the schedule information of the system information block pulled subscription.

It should be noted that schedule information is typically carried on a Scheduling Block (such as SIB1 or SB1), while the Scheduling Block Scheduling configured information also need to indicate whether each system information block is dispatched by current network in real time.For example, " 0 " represents corresponding System information block is not dispatched by current network；" 1 " represents that corresponding system information block is dispatched by current network；Do not make specific herein Limit.

To sum up, the 5G systems separated in the sending method for the system information that the above embodiment of the present invention is provided for DU and CU System, the system information that distribution node DU is interacted to subscribe to terminal request respectively with Centroid CU and user terminal is sent out Give terminal, so as to flexibly support under the frameworks that are separated with DU of CU, the system information of end side request network side generation with Send, further the power consumption of reduction terminal.

Accordingly, as shown in Fig. 2 the embodiment of the present invention also provides a kind of sending method of system information, applied to center Node CU, including：

Step 41, subscribed to the distribution node DU information or terminal request for sending the system information block that terminal request is subscribed to System information block auxiliary information so that the information for the system information block that the distribution node DU subscribes to the terminal request Send terminal, or so that the auxiliary information generation for the system information block that the distribution node DU is subscribed to according to the terminal request The information for the system information block that the terminal request is subscribed to simultaneously is sent to terminal.

The information for the system information block that terminal request is subscribed to can be given birth to by Centroid CU in the above embodiment of the present invention Distribution node DU is sent to after, terminal is then forwarded to by distribution node DU；Can also be by distribution node DU according to centromere The auxiliary information generation for the system information block that the terminal request that point CU is sent is subscribed to, is then forwarded to terminal.

Specifically, step 41 includes in the above embodiment of the present invention：

Step 411, the solicited message of the terminal of the distribution node DU forwardings is received；The solicited message of the terminal Comprising：The numbering for the system information block that terminal request is subscribed to；The terminal that distribution node DU is forwarded in the embodiment of the present invention Solicited message is obtained by the distribution node DU system information requests for parsing terminal.

Step 412, the information for the system information block that the terminal request is subscribed to is generated according to the solicited message of the terminal And the schedule information of the system information block of the terminal request subscription, and send the terminal request to the distribution node DU The schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to；Or according to described The auxiliary information and the terminal request that the solicited message of terminal generates the system information block that the terminal request is subscribed to are subscribed to System information block schedule information auxiliary information, and send the system that the terminal request is subscribed to the distribution node DU The auxiliary information of the schedule information for the system information block that the auxiliary information of block of information and the terminal request are subscribed to.

Specifically, step 41 also includes in the above embodiment of the present invention：

Step 413, the radio resource control RRC message that the terminal of the distribution node DU transparent transmissions is sent is received；Its In, the system information request of the terminal is carried in RRC information；

Step 414, the RRC information is parsed, determines the solicited message of the terminal；Wherein, the terminal Solicited message is included：The numbering for the system information block that the terminal request is subscribed to；

Step 415, the information for the system information block that the terminal request is subscribed to is generated according to the solicited message of the terminal And the schedule information of the system information block of the terminal request subscription, and send the terminal request to the distribution node DU The schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to；Or according to described The auxiliary information and the terminal request that the solicited message of terminal generates the system information block that the terminal request is subscribed to are subscribed to System information block schedule information auxiliary information, and send the system that the terminal request is subscribed to the distribution node DU The auxiliary information of the schedule information for the system information block that the auxiliary information of block of information and the terminal request are subscribed to.

Specifically, described to distribution node DU transmission terminal request subscription in step 41 in the above embodiment of the present invention System information block information the step of, including：

Step 416, system information is sent to distribution node DU；Wherein, the system information includes：At least one is not supported System information block and multiple Scheduling Blocks that the system information block of subscription, at least one support are subscribed to；Included in the Scheduling Block： The schedule information of system information block, and for indicate system information block whether the scheduling configured information dispatched by current network； The distribution node DU is enabled to select the terminal request from the system information according to the solicited message of the terminal The information of the system information block of subscription.

Specifically, system information (SI message) is generated by CU, CU provides a full set of system message in the starting stage to DU, and It is to support to subscribe to be explicitly indicated DU which system information block；And a full set of system message that CU is provided includes：Multiple Scheduling Blocks, than Such as SIB1；DU parses UE system information request, and the SI message for directly selecting storage is broadcasted.

Specifically, described to the distribution node DU transmissions terminal request in step 41 in the above embodiment of the present invention The step of auxiliary information of the system information block of subscription, including：

Step 417, the auxiliary information of system information is sent to distribution node DU；Wherein, the auxiliary letter of the system information Breath includes：At least one does not support the system information block that the auxiliary information for the system information block subscribed to, at least one support are subscribed to Auxiliary information and multiple Scheduling Blocks auxiliary information；The distribution node DU is believed according to the request of the terminal Breath selects the auxiliary information of the system information block of the terminal request subscription from the auxiliary information of the system information.

Specifically, system information (SI message) is generated by DU, CU provides a full set of system message in the starting stage to DU Auxiliary information, and it is to support to subscribe to be explicitly indicated DU which system information block；And the auxiliary of a full set of system message of CU offers Information includes：The auxiliary information of the auxiliary information of multiple Scheduling Blocks, such as SIB1；DU parses UE system information request, directly SI message is generated according to the auxiliary information of the SI message of storage and broadcasted.

As shown in figure 3, the embodiment of the present invention also provides a kind of dispensing device of system information, applied to distribution node DU, Including：

Data obtaining module 201, the information of the system information block for obtaining terminal request subscription；

Information sending module 202, the information of the system information block for terminal request to be subscribed to is sent to terminal.

Specifically, data obtaining module includes described in the above embodiment of the present invention：

Specifically, data obtaining module includes in the above embodiment of the present invention：

Specifically, first information acquisition submodule described in the above embodiment of the present invention includes：

Specifically, device also includes described in the above embodiment of the present invention：

Specifically, the second acquisition of information submodule includes described in the above embodiment of the present invention：

Specifically, the second acquisition of information submodule includes in the above embodiment of the present invention：

Specifically, information sending module includes described in the above embodiment of the present invention：

To sum up, the 5G systems separated in the dispensing device for the system information that the above embodiment of the present invention is provided for DU and CU System, the system information that distribution node DU is interacted to subscribe to terminal request respectively with Centroid CU and user terminal is sent out Give terminal, so as to flexibly support under the frameworks that are separated with DU of CU, the system information of end side request network side generation with Send, further the power consumption of reduction terminal.

It should be noted that the above embodiment of the present invention provide system information dispensing device be able to carry out it is above-mentioned The dispensing device of the sending method of system information, then all embodiments of the sending method of said system information be suitable for this The dispensing device for information of uniting, and can reach same or analogous beneficial effect.

As shown in figure 4, the embodiment of the present invention also provides a kind of dispensing device of system information, applied to Centroid CU, Including：

Sending module 401, information from the system information block that terminal request is subscribed to distribution node DU or end for sending Hold the auxiliary information of the system information block pulled subscription so that the system that the distribution node DU subscribes to the terminal request is believed The information for ceasing block sends terminal, or causes the auxiliary of the system information blocks subscribed to according to the terminal request of the distribution node DU Supplementary information generates the information for the system information block that the terminal request is subscribed to and is sent to terminal.

Specifically, sending module includes described in the above embodiment of the present invention：

As shown in figure 5, the embodiment of the present invention also provides a kind of dispensing device of system information, the device includes：Processor 100；The memory 120 being connected by EBI with the processor 100, and pass through EBI and processor 100 The transceiver 110 being connected；The memory is used to store the processor used program and data when performing operation； Control command etc. is sent by the transceiver 110；When processor call and perform the program that is stored in the memory and During data, following functional module is realized：

Wherein, in Figure 5, bus architecture can include the bus and bridge of any number of interconnection, specifically by processor 100 The various circuits for the memory that the one or more processors and memory 120 of representative are represented are linked together.Bus architecture is also Various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, no longer it is described further herein.EBI provides interface.Transceiver 110 can To be multiple element, i.e., including transmitter and transceiver, there is provided the list for being communicated over a transmission medium with various other devices Member.Processor 100 is responsible for bus architecture and common processing, and memory 120 can store processor 100 and perform operation When used data.

Processor 100 is responsible for bus architecture and common processing, and memory 120 can store processor 100 and hold Used data during row operation.

Wherein, the sending module includes：

The embodiment of the present invention additionally provides a kind of computer-readable recording medium, is stored thereon with computer program and (refers to Make), the program (instruction) realizes following steps when being executed by processor：

Alternatively, following steps can also be realized when the program (instruction) is executed by processor：

The solicited message of the terminal is sent to Centroid CU；

Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moved State random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electric erasable Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM), Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus Or any other non-transmission medium, the information that can be accessed by a computing device available for storage.Define, calculate according to herein Machine computer-readable recording medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.

Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

1. a kind of sending method of system information, applied to distribution node DU, it is characterised in that including：

2. according to the method described in claim 1, it is characterised in that the letter for obtaining the system information block that terminal request is subscribed to The step of breath, including：

The information and the terminal request for receiving the system information block for the terminal request subscription that Centroid CU is sent are ordered The schedule information for the system information block read.

3. according to the method described in claim 1, it is characterised in that the letter for obtaining the system information block that terminal request is subscribed to The step of breath, including：

The auxiliary information and the terminal for receiving the system information block for the terminal request subscription that Centroid CU is sent please Seek the auxiliary information of the schedule information of the system information block of subscription；

The auxiliary information for the system information block subscribed to according to the terminal request generates the system information that the terminal request is subscribed to The information of block, and the auxiliary information generation terminal of the schedule information for the system information block subscribed to according to the terminal request please Seek the schedule information of the system information block of subscription.

4. method according to claim 2, it is characterised in that the terminal request that the reception Centroid CU is sent The step of schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, including：

The system information request of terminal is parsed, the solicited message of terminal is determined；Wherein, the solicited message of the terminal is included：Eventually Hold the numbering of the system information block pulled subscription；

The solicited message of the terminal is sent to Centroid CU；

Receive the system information block for the terminal request subscription that Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that information and the terminal request are subscribed to.

5. method according to claim 2, it is characterised in that the terminal request that the reception Centroid CU is sent The step of schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, including：

The radio resource control RRC message that receiving terminal is sent；Wherein, the system information that the terminal is carried in RRC information please Ask；

The RRC information is passed through into Centroid CU, the RRC information is parsed and determined by the Centroid CU The solicited message of terminal；The solicited message of wherein described terminal is included：The numbering for the system information block that the terminal request is subscribed to；

Receive the system information for the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that the information of block and the terminal request are subscribed to.

6. method according to claim 2, it is characterised in that the terminal request that the reception Centroid CU is sent Before the step of schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, institute Stating method also includes：

Receive system information and storage that Centroid CU is sent；Wherein, the system information that the Centroid CU is sent includes： At least one does not support the system information block and multiple Scheduling Blocks that the system information block subscribed to, at least one support are subscribed to；Institute State in Scheduling Block and include：The schedule information of system information block, and for indicating whether system information block is dispatched by current network Scheduling configured information.

7. method according to claim 6, it is characterised in that the terminal request that the reception Centroid CU is sent The step of schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, including：

According to the solicited message of the terminal, the system letter for selecting the terminal request to subscribe to from the system information of storage Cease the information of block, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；The target dispatch block Scheduling configured information indicate that the system information block that the terminal request is subscribed to is dispatched by current network.

8. method according to claim 6, it is characterised in that the terminal request that the reception Centroid CU is sent The step of schedule information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, including：

The configured information that the Centroid CU is sent is received, the configured information is used to indicate that distribution node DU sends terminal and asked Seek the system information block of subscription；

According to the configured information, the system information block of the terminal request subscription is selected from the system information of storage Information, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；The scheduling of the target dispatch block Configured information indicates that the system information block that the terminal request is subscribed to is dispatched by current network.

9. method according to claim 3, it is characterised in that the terminal request that the reception Centroid CU is sent The auxiliary letter of the schedule information for the system information block that the auxiliary information of the system information block of subscription and the terminal request are subscribed to The step of breath, including：

The solicited message of the terminal is sent to Centroid CU；

Receive the system information for the terminal request subscription that the Centroid CU is generated according to the solicited message of the terminal The auxiliary information of the schedule information for the system information block that the auxiliary information of block and the terminal request are subscribed to.

10. method according to claim 3, it is characterised in that the terminal that the reception Centroid CU is sent please Seek the auxiliary of the auxiliary information of the system information block of subscription and the schedule information of the system information block of terminal request subscription The step of information, including：

11. method according to claim 3, it is characterised in that the terminal that the reception Centroid CU is sent please The step of asking the auxiliary information of the system information block of subscription and the schedule information of the system information block of terminal request subscription Before, methods described also includes：

Receive auxiliary information and the storage for the system information that Centroid CU is sent；Wherein, the Centroid CU transmissions is The auxiliary information of system information includes：At least one does not support the auxiliary information for the system information block subscribed to, at least one support to order The auxiliary information of the auxiliary information for the system information block read and multiple Scheduling Blocks.

12. method according to claim 11, it is characterised in that the terminal that the reception Centroid CU is sent please Seek the auxiliary of the auxiliary information of the system information block of subscription and the schedule information of the system information block of terminal request subscription The step of information, including：

According to the solicited message of the terminal, the terminal request is selected to order from the auxiliary information of the system information of storage The auxiliary information for the system information block read；And a target dispatch block is selected from the auxiliary information of the multiple Scheduling Block of storage Auxiliary information；Wherein, the target dispatch block includes：The schedule information for the system information block that terminal request is subscribed to, Yi Jiyong The scheduling configured information that the system information block subscribed in the instruction terminal request is dispatched by current network.

13. method according to claim 11, it is characterised in that the terminal that the reception Centroid CU is sent please Seek the auxiliary of the auxiliary information of the system information block of subscription and the schedule information of the system information block of terminal request subscription The step of information, including：

According to the configured information, the terminal request subscription is selected from the auxiliary information of the system information of storage is The auxiliary information for block of information of uniting；And the auxiliary of a target dispatch block is selected from the auxiliary information of the multiple Scheduling Block of storage Information；Wherein, the target dispatch block includes：The schedule information for the system information block that terminal request is subscribed to, and for indicating The scheduling configured information that the system information block that the terminal request is subscribed to is dispatched by current network.

14. according to the method in claim 2 or 3, it is characterised in that the system information for subscribing to terminal request The step of information of block is sent to terminal includes：

Broadcast what the information and the terminal request of the system information block that the terminal request is subscribed to were subscribed to over the broadcast The schedule information of system information block.

15. a kind of sending method of system information, applied to Centroid CU, it is characterised in that including：

The system information subscribed to the distribution node DU information or terminal request for sending the system information block that terminal request is subscribed to The auxiliary information of block so that the information for the system information block that the distribution node DU subscribes to the terminal request sends terminal, Or so that the auxiliary information for the system information block that the distribution node DU is subscribed to according to the terminal request generates the terminal The information of the system information block pulled subscription is simultaneously sent to terminal.

16. method according to claim 15, it is characterised in that described to send what terminal request was subscribed to distribution node DU The step of auxiliary information for the system information block that the information or terminal request of system information block are subscribed to, including：

Receive the solicited message of the terminal of the distribution node DU forwardings；The solicited message of the terminal is included：Terminal please Seek the numbering of the system information block of subscription；

The information and the terminal for the system information block that the terminal request is subscribed to are generated according to the solicited message of the terminal The schedule information of the system information block pulled subscription, and send the system letter that the terminal request is subscribed to the distribution node DU Cease the schedule information of the information of block and the system information block of terminal request subscription；Or believed according to the request of the terminal The system information block that the auxiliary information and the terminal request for the system information block that the breath generation terminal request is subscribed to are subscribed to Schedule information auxiliary information, and send to the distribution node DU auxiliary for the system information block that the terminal request is subscribed to The auxiliary information of the schedule information for the system information block that information and the terminal request are subscribed to.

17. method according to claim 15, it is characterised in that described to send what terminal request was subscribed to distribution node DU The step of auxiliary information for the system information block that the information or terminal request of system information block are subscribed to, including：

Receive the radio resource control RRC message that the terminal of the distribution node DU transparent transmissions is sent；Wherein, in RRC information Carry the system information request of the terminal；

The RRC information is parsed, the solicited message of the terminal is determined；Wherein, the solicited message of the terminal is included： The numbering for the system information block that the terminal request is subscribed to；

18. method according to claim 15, it is characterised in that described to send what terminal request was subscribed to distribution node DU The step of information of system information block, including：

System information is sent to distribution node DU；Wherein, the system information includes：At least one does not support the system letter subscribed to Cease block, the system information block and multiple Scheduling Blocks of at least one support subscription；Included in the Scheduling Block：System information block Schedule information, and for indicate system information block whether the scheduling configured information dispatched by current network；So that the distribution Node DU can select the system letter that the terminal request is subscribed to according to the solicited message of the terminal from the system information Cease the information of block.

19. method according to claim 15, it is characterised in that described to be ordered to the distribution node DU transmissions terminal request The step of auxiliary information for the system information block read, including：

The auxiliary information of system information is sent to distribution node DU；Wherein, the auxiliary information of the system information includes：At least one It is individual do not support subscribe to system information block auxiliary information, at least one support subscribe to system information block auxiliary information and The auxiliary information of multiple Scheduling Blocks；The distribution node DU is believed according to the solicited message of the terminal from the system The auxiliary information of the system information block of the terminal request subscription is selected in the auxiliary information of breath.

20. a kind of dispensing device of system information, applied to distribution node DU, it is characterised in that including：

21. device according to claim 20, it is characterised in that described information acquisition module includes：

First information acquisition submodule, for receiving the system information block that the terminal request of Centroid CU transmissions is subscribed to The schedule information for the system information block that information and the terminal request are subscribed to.

22. device according to claim 20, it is characterised in that data obtaining module includes：

Second acquisition of information submodule, for receiving the system information block that the terminal request of Centroid CU transmissions is subscribed to The auxiliary information of the schedule information for the system information block that auxiliary information and the terminal request are subscribed to；

3rd acquisition of information submodule, for described in the auxiliary information generation for the system information block subscribed to according to the terminal request The information for the system information block that terminal request is subscribed to, and the schedule information for the system information block subscribed to according to the terminal request Auxiliary information generates the schedule information for the system information block that the terminal request is subscribed to.

23. device according to claim 21, it is characterised in that the first information acquisition submodule includes：

First resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, the terminal Solicited message include：The numbering for the system information block that terminal request is subscribed to；

First receiving unit, is ordered for receiving the terminal request that Centroid CU is generated according to the solicited message of the terminal The schedule information for the system information block that the information for the system information block read and the terminal request are subscribed to.

24. device according to claim 21, it is characterised in that the first information acquisition submodule includes：

Second receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carry described in RRC information The system information request of terminal；

First transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to the RRC Message is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is subscribed to System information block numbering；

3rd receiving unit, please for receiving the terminal that the Centroid CU is generated according to the solicited message of the terminal Seek the schedule information of the information of the system information block of subscription and the system information block of terminal request subscription.

25. device according to claim 21, it is characterised in that described device also includes：

First receives memory module, system information and storage for receiving Centroid CU transmissions；Wherein, the Centroid The system information that CU is sent includes：At least one does not support the system letter that the system information block subscribed to, at least one support are subscribed to Cease block and multiple Scheduling Blocks；Included in the Scheduling Block：The schedule information of system information block, and for indicating system information Block whether the scheduling configured information dispatched by current network.

26. device according to claim 25, it is characterised in that the first information acquisition submodule includes：

Second resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, the terminal Solicited message include：The numbering for the system information block that terminal request is subscribed to；

First choice unit, for the solicited message according to the terminal, selects the end from the system information of storage Hold the information of the system information block pulled subscription, and target dispatch corresponding with the system information block that the terminal request is subscribed to Block；The scheduling configured information of the target dispatch block indicates that the system information block that the terminal request is subscribed to is adjusted by current network Degree.

27. device according to claim 25, it is characterised in that the first information acquisition submodule includes：

4th receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carry described in RRC information The system information request of terminal；

Second transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to the RRC Message is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is subscribed to System information block numbering；

5th receiving unit, for receiving the configured information that the Centroid CU is sent, the configured information is used to indicate to divide Cloth node DU sends the system information block that terminal request is subscribed to；

Second selecting unit, for according to the configured information, the terminal request to be selected from the system information of storage The information of the system information block of subscription, and target dispatch block corresponding with the system information block that the terminal request is subscribed to；Institute The scheduling configured information for stating target dispatch block indicates that the system information block that the terminal request is subscribed to is dispatched by current network.

28. device according to claim 22, it is characterised in that the second acquisition of information submodule includes：

3rd resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, the terminal Solicited message include：The numbering for the system information block that terminal request is subscribed to；

6th receiving unit, please for receiving the terminal that the Centroid CU is generated according to the solicited message of the terminal Seek the auxiliary of the auxiliary information of the system information block of subscription and the schedule information of the system information block of terminal request subscription Information.

29. device according to claim 22, it is characterised in that the second acquisition of information submodule includes：

7th receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carry described in RRC information The system information request of terminal；

3rd transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to the RRC Message is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is subscribed to System information block numbering；

8th receiving unit, please for receiving the terminal that the Centroid CU is generated according to the solicited message of the terminal Seek the auxiliary of the auxiliary information of the system information block of subscription and the schedule information of the system information block of terminal request subscription Information.

30. device according to claim 22, it is characterised in that described device also includes：

Second receives memory cell, auxiliary information and storage for receiving the system information that Centroid CU is sent；Wherein, institute Stating the auxiliary information of the system information of Centroid CU transmissions includes：At least one does not support the auxiliary for the system information block subscribed to The auxiliary information and the auxiliary information of multiple Scheduling Blocks for the system information block that information, at least one support are subscribed to.

31. device according to claim 30, it is characterised in that the second acquisition of information submodule includes：

4th resolution unit, the system information request for parsing terminal, determines the solicited message of terminal；Wherein, the terminal Solicited message include：The numbering for the system information block that terminal request is subscribed to；

3rd selecting unit, for the solicited message according to the terminal, from the auxiliary information of the system information of storage Select the auxiliary information of the system information block of the terminal request subscription；And the auxiliary information of the multiple Scheduling Block from storage The auxiliary information of one target dispatch block of middle selection；Wherein, the target dispatch block includes：The system information block that terminal request is subscribed to Schedule information, and for indicating that the scheduling that the system information block that the terminal request is subscribed to is dispatched by current network indicates to believe Breath.

32. device according to claim 30, it is characterised in that the second acquisition of information submodule includes：

9th receiving unit, the radio resource control RRC message sent for receiving terminal；Wherein, carry described in RRC information The system information request of terminal；

4th transparent transmission unit, for the RRC information to be passed through into Centroid CU, by the Centroid CU to the RRC Message is parsed and determines the solicited message of terminal；The solicited message of wherein described terminal is included：The terminal request is subscribed to System information block numbering；

Tenth receiving unit, for receiving the configured information that the Centroid CU is sent, the configured information is used to indicate to divide Cloth node DU sends the system information block that terminal request is subscribed to；

4th selecting unit, for according to the configured information, institute to be selected from the auxiliary information of the system information of storage State the auxiliary information of the system information block of terminal request subscription；And selected from the auxiliary information of the multiple Scheduling Block of storage The auxiliary information of one target dispatch block；Wherein, the target dispatch block includes：The scheduling for the system information block that terminal request is subscribed to Information, and for indicating the scheduling configured information that the system information block that the terminal request is subscribed to is dispatched by current network.

33. the device according to claim 21 or 22, it is characterised in that described information sending module includes：

Information sending submodule, for broadcast over the broadcast the system information block that the terminal request is subscribed to information and The schedule information for the system information block that the terminal request is subscribed to.

34. a kind of dispensing device of system information, applied to Centroid CU, it is characterised in that including：

Sending module, information from the system information block that terminal request is subscribed to distribution node DU or terminal request for sending are ordered The auxiliary information for the system information block read so that the letter for the system information block that the distribution node DU subscribes to the terminal request Breath sends terminal, or so that the auxiliary information life for the system information block that the distribution node DU is subscribed to according to the terminal request The information for the system information block subscribed into the terminal request is simultaneously sent to terminal.

35. device according to claim 34, it is characterised in that the sending module includes：

First receiving submodule, the solicited message of the terminal for receiving the distribution node DU forwardings；The terminal Solicited message is included：The numbering for the system information block that terminal request is subscribed to；

First sending submodule, for generating the system information block that the terminal request is subscribed to according to the solicited message of the terminal Information and the schedule information of system information block subscribed to of the terminal request, and send end to the distribution node DU Hold the schedule information of the information of the system information block pulled subscription and the system information block of terminal request subscription；Or root The auxiliary information and the terminal for generating the system information block that the terminal request is subscribed to according to the solicited message of the terminal please The auxiliary information of the schedule information of the system information block of subscription is sought, and the terminal request is sent to the distribution node DU and is subscribed to System information block auxiliary information and the terminal request subscribe to system information block schedule information auxiliary information.

36. device according to claim 34, it is characterised in that the sending module includes：

Second receiving submodule, for receiving the radio resource control RRC that the terminal of the distribution node DU transparent transmissions is sent Message；Wherein, the system information request of the terminal is carried in RRC information；

Analyzing sub-module, for being parsed to the RRC information, determines the solicited message of the terminal；Wherein, the terminal Solicited message include：The numbering for the system information block that the terminal request is subscribed to；

Second sending submodule, for generating the system information block that the terminal request is subscribed to according to the solicited message of the terminal Information and the schedule information of system information block subscribed to of the terminal request, and send end to the distribution node DU Hold the schedule information of the information of the system information block pulled subscription and the system information block of terminal request subscription；Or root The auxiliary information and the terminal for generating the system information block that the terminal request is subscribed to according to the solicited message of the terminal please The auxiliary information of the schedule information of the system information block of subscription is sought, and the terminal request is sent to the distribution node DU and is subscribed to System information block auxiliary information and the terminal request subscribe to system information block schedule information auxiliary information.

37. device according to claim 34, it is characterised in that the sending module includes：

3rd sending submodule, for sending system information to distribution node DU；Wherein, the system information includes：At least one System information block and multiple Scheduling Blocks that the individual system information block for not supporting to subscribe to, at least one support are subscribed to；The scheduling Included in block：The schedule information of system information block, and for indicate system information block whether the scheduling dispatched by current network Configured information；The distribution node DU enable according to the solicited message of the terminal is selected from the system information The information for the system information block that terminal request is subscribed to.

38. device according to claim 34, it is characterised in that the sending module includes：

4th sending module, the auxiliary information for sending system information to distribution node DU；Wherein, the system information is auxiliary Supplementary information includes：At least one does not support the system letter that the auxiliary information for the system information block subscribed to, at least one support are subscribed to Cease the auxiliary information of block and the auxiliary information of multiple Scheduling Blocks；Enable the distribution node DU according to the terminal please Information is asked to select the auxiliary information of the system information block of the terminal request subscription from the auxiliary information of the system information.