CN107135502B

CN107135502B - A kind of sending method and device of system information

Info

Publication number: CN107135502B
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: 2019-08-16
Anticipated expiration: 2037-05-04
Also published as: WO2018201934A1; CN107135502A

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: to 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 system that the embodiment of the present invention is separated for DU and CU, distribution node DU is interacted respectively with central node CU and user terminal to which the system information for subscribing to terminal request is sent to terminal, under framework to flexibly CU be supported to separate with DU, the system information of terminal side request further decreases the power consumption of terminal in the generation and transmission of network side.

Description

A kind of sending method and device of system information

Technical field

The present invention relates to fields of communication technology, particularly relate to the sending method and device of a kind of system information.

Background technique

In LTE (long term evolution) system, access net (E-UTRAN) is made of multiple base station eNodeBs, eNodeB (base Stand) it is connect between EPC (packet-based core networks) by S1 interface, it is connected between eNodeB (base station) by X2 interface.In 5G system In system, control and scheduling that a central node (CU, Central Unit) is concentrated, radio resource are introduced in access net Control RRC function and 2 function of part layer in central node CU, base station other function be deployed in distribution node (DU, Distribute Unit) on.The interface (NG) of base station and core net terminates in central node CU, the interface (Xn) between base station Also central node CU is terminated in.

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

And the separation of CU and DU about the side wireless access network RAN, specific separate mode include:

Mode 1: radio resource control RRC is in CU, Packet Data Convergence Protocol 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.

The high level of mode 3:RRC, PDCP, RLC are in CU, the bottom of RLC, 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.

The high level of mode 5:RRC, PDCP, RLC, MAC are in CU, and the bottom and physical layer of MAC, RF is in DU.

Mode 6:RRC, PDCP, RLC, MAC are in CU, and physical layer, 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 system, 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 of multiple SIB (or being SI message).MIB (main system Information) it is scheduled in fixed position and period, the scheduling information containing the key such as SIB1 SIB in MIB.Contain it in SIB1 The scheduling information of its all SIB.

5G is each SIB for supporting to subscribe to provided with one bit, 0 in order to support system information to send on demand, in SIB1 Indicate that the SIB is not scheduled within next dispatching cycle, 1 indicates that the SIB can be scheduled in the next period.Therefore, correspondence is multiple It supports to subscribe to SIB, has multiple bit and indicate whether these SIB can be scheduled.Request based on UE, network start to dispatch some It supports the SIB subscribed to, network that should then modify the content of SIB1 simultaneously, is 1 by the position bit of the corresponding scheduling information of the SIB.Together Sample, while multiple SIB are dispatched, the position bit of the scheduling information of scheduled SIB is set to 1 entirely.

In LTE system, system information is broadcasted by base station completely, and when system information modification can be notified by paging message Terminal carries out system information update；And be not limited in 5G system CU and DU separation scheme in how to realize network side with The transmitting of the system information of terminal side.

Summary of the invention

The purpose of the present invention is to provide a kind of sending method of system information and device, solve in the prior art CU and The problem of cannot achieve the transmitting of system information in DU separation scheme.

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

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 for obtaining the system information block that terminal request is subscribed to, comprising:

The information and the terminal for receiving the system information block that the terminal request that central node CU is sent is subscribed to are asked Seek the scheduling information of the system information block of subscription.

The auxiliary information for the system information block that the terminal request that reception central node CU is sent is subscribed to and the end Hold the auxiliary information of the scheduling information of the system information block to pull 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 scheduling information for the system information block subscribed to according to the terminal request generates the end Hold the scheduling information of the system information block to pull subscription.

Wherein, the information for receiving the system information block that the terminal request that central node CU is sent is subscribed to and institute The step of stating the scheduling information of the system information block of terminal request subscription, comprising:

The system information request for parsing terminal, determines the solicited message of terminal；Wherein, the request packet of the terminal Contain: the number for the system information block that terminal request is subscribed to；

The solicited message of the terminal is sent to central node CU；

Receive the system information that central node CU is subscribed to according to the terminal request that the solicited message of the terminal generates The scheduling information for the system information block that the information of block and the terminal request are subscribed to.

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

The RRC information is passed through into central node CU, the RRC information is parsed simultaneously by the central node CU Determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the system information block that the terminal request is subscribed to Number；

Receive the system that the central node CU is subscribed to according to the terminal request that the solicited message of the terminal generates The scheduling information for the system information block that the information of block of information and the terminal request are subscribed to.

Wherein, the information for receiving the system information block that the terminal request that central node CU is sent is subscribed to and institute Before the step of stating the scheduling information of the system information block of terminal request subscription, the method also includes:

Receive the system information that central node CU is sent and storage；Wherein, the system information that the central node CU is sent It include: system information block and the multiple scheduling that at least one does not support the system information block of subscription, at least one support to subscribe to Block；Include in the Scheduling Block: the scheduling information of system information block, and whether system information block is used to indicate by current network The scheduling of scheduling indicates information.

According to the solicited message of the terminal, select that the terminal request subscribes to 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 tune The system information block that the scheduling instruction information of degree block indicates that the terminal request is subscribed to is dispatched by current network.

The instruction information that the central node CU is sent is received, the instruction information is used to indicate distribution node DU and sends eventually Hold the system information block to pull subscription；

According to the instruction 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 The system information block that scheduling instruction information indicates that the terminal request is subscribed to is dispatched by current network.

Wherein, it is described receive central node CU send the terminal request subscribe to system information block auxiliary information with And the scheduling information of system information block subscribed to of the terminal request auxiliary information the step of, comprising:

The solicited message of the terminal is sent to central node CU；

Receive the system that the central node CU is subscribed to according to the terminal request that the solicited message of the terminal generates The auxiliary information of the scheduling information for the system information block that the auxiliary information of block of information and the terminal request are subscribed to.

Wherein, it is described receive central node CU send the terminal request subscribe to system information block auxiliary information with And the system information block subscribed to of the terminal request scheduling information the step of before, the method also includes:

Receive the auxiliary information for the system information that central node CU is sent and storage；Wherein, the central node CU is sent System information auxiliary information include: at least one do not support subscribe to system information block auxiliary information, 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, the terminal is selected to ask from the auxiliary information of the system information of storage Seek the auxiliary information of the system information block of subscription；And a target tune is selected from the auxiliary information of the multiple Scheduling Block of storage Spend the auxiliary information of block；Wherein, the target dispatch block includes: the scheduling information for the system information block that terminal request is subscribed to, with And it is used to indicate the scheduling that the system information block that the terminal request is subscribed to is dispatched by current network and indicates information.

According to the instruction 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 scheduling information for the system information block that terminal request is subscribed to, and is used for The scheduling for indicating that the system information block that the terminal request is subscribed to is dispatched by current network indicates information.

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

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 scheduling information for the system information block read.

The embodiment of the present invention also provides a kind of sending method of system information, is applied to central node CU, comprising:

The information for the system information block that terminal request is subscribed to or the system of terminal request subscription are sent to distribution node DU 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 It holds, or the auxiliary information for the system information block that the distribution node DU is subscribed to according to the terminal request generates the end It holds the information of the system information block to pull subscription and is sent to terminal.

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

Receive the solicited message of the terminal of the distribution node DU forwarding；The solicited message of the terminal includes: eventually Hold the number of the system information block to pull subscription；

The information of the system information block that the terminal request is subscribed to and described is generated according to the solicited message of the terminal The scheduling 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 scheduling 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 Seek the system letter that information generates the auxiliary information for the system information block that the terminal request is subscribed to and the terminal request is subscribed to The auxiliary information of the scheduling information of block is ceased, and sends the system information block that the terminal request is subscribed to the distribution node DU The auxiliary information of the scheduling 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 transmission is sent；Wherein, RRC disappears The system information request of the terminal is carried in breath；

The RRC information is parsed, determines the solicited message of the terminal；Wherein, the solicited message of the terminal Include: the number for the system information block that the terminal request is subscribed to；

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

System information is sent to distribution node DU；Wherein, the system information include: at least one do not support subscribe to be The system information block and multiple Scheduling Blocks that system block of information, at least one support are subscribed to；Include in the Scheduling Block: system information The scheduling information of block, and be used to indicate the scheduling whether system information block is dispatched by current network and indicate information；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, comprising:

The auxiliary information of system information is sent to distribution node DU；Wherein, the auxiliary information of the system information include: to The auxiliary information of few one 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 for the system information block for selecting the terminal request to subscribe in the auxiliary information for information of uniting.

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

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

The information of information sending module, the system information block for subscribing to terminal request is sent to terminal.

Wherein, the data obtaining module includes:

First information acquisition submodule, the system information that the terminal request for receiving central node CU transmission is subscribed to The scheduling 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, the system information that the terminal request for receiving central node CU transmission is subscribed to The auxiliary information of the scheduling information for the system information block that the auxiliary information of block and the terminal request are subscribed to；

The auxiliary information of third acquisition of information submodule, the system information block for being subscribed to according to the terminal request generates The information for the system information block that the terminal request is subscribed to, and the scheduling for the system information block subscribed to according to the terminal request is believed The auxiliary information of breath generates the scheduling information for the system information block that the terminal request is subscribed to.

Wherein, the first information acquisition submodule includes:

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

First transmission unit, for the solicited message of the terminal to be sent to central node CU；

First receiving unit is asked for receiving central node CU according to the terminal that the solicited message of the terminal generates Seek the scheduling 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, for receiving the radio resource control RRC message of terminal transmission；Wherein, it is carried in RRC information The system information request of the terminal；

First transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to described RRC information parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is ordered The number for the system information block read；

Third receiving unit, the end generated for receiving the central node CU according to the solicited message of the terminal Hold the scheduling information of the information of the system information block to pull subscription and the system information block of terminal request subscription.

Wherein, described device further include:

First receives memory module, for receiving system information and the storage of central node CU transmission；Wherein, the center Node CU send system information include: 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；Include in the Scheduling Block: the scheduling information of system information block, and it is used to indicate system The scheduling whether block of information is dispatched by current network indicates information.

Wherein, the first information acquisition submodule includes:

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

First selecting unit selects institute from the system information of storage for the solicited message according to the terminal 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 instruction 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, for receiving the radio resource control RRC message of terminal transmission；Wherein, it is carried in RRC information The system information request of the terminal；

Second transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to described RRC information parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is ordered The number for the system information block read；

5th receiving unit, the instruction information sent for receiving the central node CU, the instruction information is for referring to Show that distribution node DU sends the system information block that terminal request is subscribed to；

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

Wherein, the second acquisition of information submodule includes:

Third resolution unit determines the solicited message of terminal for parsing the system information request of terminal；Wherein, described The solicited message of terminal includes: the number for the system information block that terminal request is subscribed to；

Second transmission unit, for the solicited message of the terminal to be sent to central node CU；

6th receiving unit, the end generated for receiving the central node CU according to the solicited message of the terminal The scheduling 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, for receiving the radio resource control RRC message of terminal transmission；Wherein, it is carried in RRC information The system information request of the terminal；

Third transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to described RRC information parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is ordered The number for the system information block read；

8th receiving unit, the end generated for receiving the central node CU according to the solicited message of the terminal The scheduling 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 further include:

Second receives storage unit, for receiving auxiliary information and the storage of the system information of central node CU transmission；Its In, the auxiliary information for the system information that the central node CU is sent includes: the system information block that at least one does not support to subscribe to Auxiliary information, at least one support subscribe to system information block auxiliary information and multiple Scheduling Blocks auxiliary information.

Wherein, the second acquisition of information submodule includes:

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

Third selecting unit, for the solicited message according to the terminal, from the auxiliary letter of the system information of storage The auxiliary information for the system information block for selecting the terminal request to subscribe 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 scheduling information of block is ceased, and is used to indicate the system information block that the terminal request is subscribed to and is referred to by the scheduling that current network is dispatched Show information.

Wherein, the second acquisition of information submodule includes:

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

4th transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to described RRC information parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is ordered The number for the system information block read；

Tenth receiving unit, the instruction information sent for receiving the central node CU, the instruction information is for referring to Show that distribution node DU sends the system information block that terminal request is subscribed to；

4th selecting unit, for being selected from the auxiliary information of the system information of storage according to the instruction information 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 Scheduling information, and it is used to indicate the scheduling instruction letter that the system information block that the terminal request is subscribed to is dispatched by current network Breath.

Wherein, the information sending module includes:

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

The embodiment of the present invention also provides a kind of sending device of system information, is applied to central node CU, comprising:

Sending module, information from the system information block of terminal request subscription to distribution node DU or terminal for sending are asked The auxiliary information of the system information block of subscription is sought, so that the system information block that the distribution node DU subscribes to the terminal request Information send terminal, or the auxiliary letter for the system information block that the distribution node DU is subscribed to according to the terminal request Breath generates the information for the system information block that the terminal request is subscribed to and is sent to terminal.

Wherein, the sending module includes:

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

First sending submodule is believed for generating the system that the terminal request is subscribed to according to the solicited message of the terminal The scheduling information for the system information block that the information and the terminal request for ceasing block are subscribed to, and institute is sent to the distribution node DU The scheduling information for the system information block that the information and the terminal request for stating the system information block of terminal request subscription are subscribed to；Or Person according to the solicited message of the terminal generate the system information block that the terminal request is subscribed to auxiliary information and the end The auxiliary information of the scheduling information of the system information block to pull subscription is held, and sends the terminal request to the distribution node DU The auxiliary letter of the scheduling 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, the wireless heterogeneous networks that the terminal for receiving the distribution node DU transparent transmission is sent RRC information；Wherein, the system information request of the terminal is carried in RRC information；

Analyzing sub-module determines the solicited message of the terminal for parsing to the RRC information；Wherein, described The solicited message of terminal includes: the number for the system information block that the terminal request is subscribed to；

Second sending submodule is believed for generating the system that the terminal request is subscribed to according to the solicited message of the terminal The scheduling information for the system information block that the information and the terminal request for ceasing block are subscribed to, and institute is sent to the distribution node DU The scheduling information for the system information block that the information and the terminal request for stating the system information block of terminal request subscription are subscribed to；Or Person according to the solicited message of the terminal generate the system information block that the terminal request is subscribed to auxiliary information and the end The auxiliary information of the scheduling information of the system information block to pull subscription is held, and sends the terminal request to the distribution node DU The auxiliary letter of the scheduling 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:

Third sending submodule, for sending system information to distribution node DU；Wherein, the system information include: to Few one system information block and multiple Scheduling Blocks for not supporting the system information block subscribed to, at least one support to subscribe to；It is described Include in Scheduling Block: the scheduling information of system information block, and it is used to indicate what whether system information block was dispatched by current network Scheduling instruction information；The distribution node DU is selected from the system information according to the solicited message of the terminal The information for the system information block that the terminal request is subscribed to.

Wherein, the sending module includes:

4th sending module, for sending the auxiliary information of 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；Enable the distribution node DU according to the terminal The solicited message system information block that selects the terminal request to subscribe to from the auxiliary information of the system information auxiliary letter Breath.

Above-mentioned technical proposal of the invention at least has the following beneficial effects:

In the sending method and device of the system information of the embodiment of the present invention, for the 5G system that DU and CU is separated, distribution Node DU is interacted respectively with central node CU and user terminal to which the system information for subscribing to terminal request is sent to end End, to flexibly support under the framework that is separated with DU of CU, the system information that terminal side is requested network side generation and transmission, into The power consumption of one step reduction terminal.

Detailed description of the invention

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

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

Fig. 3 indicates one of the structural schematic diagram of sending device of system information provided in an embodiment of the present invention；

Fig. 4 indicates the second structural representation of the sending device of system information provided in an embodiment of the present invention；

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

Specific embodiment

To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached 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, it is applied to distribution node DU, packet It includes:

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

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

In the 5G system architecture that DU and CU are separated, in order to reduce the power consumption of terminal device, part system block of information can be with It is sent based on the request of terminal, then can be realized terminal in the sending method for the system information that the embodiment of the present invention provides and order The transmitting for the system information read, solves how the network side in the 5G system architecture 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, system information block that the terminal request in step 11 is subscribed to can be by Central node CU is generated；I.e. step 11 includes:

Step 111, information and the institute of the system information block that the terminal request that central node CU is sent is subscribed to are received State the scheduling information of the system information block of terminal request subscription.

Alternatively, 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 central node CU send the terminal request subscribe to system information block auxiliary information with And the auxiliary information of the scheduling 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 orders The information for the system information block read, and it is raw according to the auxiliary information of the scheduling information of the system information block of terminal request subscription At the scheduling information for the system information block that the terminal request is subscribed to.

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

Implementation 1 are as follows: system information (SI message) is generated by CU, and DU receives the system information request of UE, and DU notifies CU, CU prepares corresponding SI message and corresponding scheduling information, and sends it to corresponding DU, DU according to scheduling 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 for parsing terminal determines the solicited message of terminal；Wherein, the request letter of the terminal Breath includes: the number for the system information block that terminal request is subscribed to；That is DU receives the system information request from UE, which comes from The request from Msg.1 (message 1, i.e. physical layer message, such as leader sequence 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 central node CU；Specifically, DU leads to the request message of UE Cross F1-AP message informing CU.

Step 3, receive central node CU is generated according to the solicited message of the terminal the terminal request subscription be The scheduling 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 It asks, prepares corresponding system information block and corresponding scheduling information, and Request System letter is sent to by F1-AP message The DU of breath.

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

Step 4, the radio resource control RRC message that terminal is sent is received；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 it is carried in other RRC informations.

Step 5, the RRC information is passed through into central node CU, the RRC information is carried out by the central node CU Parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the system letter that the terminal request is subscribed to Cease the number of block；That is RRC information by passing to CU, is parsed RRC information by CU and determines that UE requests certain system information block by DU.

Step 6, the central node CU is received to be subscribed to according to the terminal request that the solicited message of the terminal generates System information block information and the terminal request subscribe to system information block scheduling information.CU prepares corresponding phase really The system information block answered and corresponding scheduling information, and corresponding DU is sent to by F1-AP message.

Further, implementation 2 are as follows: system information (SI message) is generated by CU, and CU is provided entirely in the initial stage to DU The system message of set, and it is to support to subscribe to that DU which system information block, which is explicitly indicated,；And a full set of system message packet that CU is provided It includes: multiple Scheduling Blocks, such as SIB1；DU parses the system information request of UE, and the SI message for directly selecting storage is broadcasted.

Specifically, in implementation 2 before step 111, the method also includes:

Step 1110, system information and the storage that central node CU is sent are received；Wherein, the central node CU is sent System information include: at least one do not support subscribe to system information block, at least one support subscribe to system information block and Multiple Scheduling Blocks；Include in the Scheduling Block: the scheduling information of system information block, and be used to indicate system information block whether by The scheduling of current network scheduling indicates information.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: the system information block of at least one system information block for not supporting to subscribe to, at least one support subscription And multiple Scheduling Blocks；Wherein, the number of Scheduling Block is determined according to the quantity for the system information block for supporting subscription, of Scheduling Block Number are as follows: 2ⁿ；Wherein, n is the quantity for supporting the system information block subscribed to.

Assuming that system information is by SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, SIB8, SIB9 and SIB10 group At；Wherein, SIB1 is Scheduling Block, SIB2, SIB3, SIB4, SIB5, and SIB6, SIB7 and SIB8 are that do not support to subscribe to is letter Cease block；SIB9 and SIB10 is the system information block for supporting to subscribe to；The then full set that CU is sent to DU in the above embodiment of the present invention System information includes: system information block SIB2, SIB3, SIB4, SIB5, SIB6, SIB7 and the SIB8 for not supporting to subscribe to；It supports The system information block SIB9 and SIB10 of subscription；And the scheduling of 4 Scheduling Blocks SIB1, first Scheduling Block SIB1 indicate information SIB9 and SIB10 is used to indicate not dispatched by current network；The scheduling instruction information of second Scheduling Block SIB1 is used to indicate SIB9 is not dispatched by current network, and SIB10 is dispatched by current network；The scheduling instruction information of third Scheduling Block SIB1 is used for Instruction SIB9 is dispatched by current network, and SIB10 is not dispatched by current network；The scheduling of 4th Scheduling Block SIB1 indicates information It is used to indicate SIB9 and SIB10 is dispatched by current network.

It should be noted that if in system information there are 3 support subscribe to system information block, then the number of Scheduling Block be 2³=8；If the system information block for supporting to subscribe to there are 4 in system information, the number of Scheduling Block is 2⁴=16；It is different herein One enumerates.

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

Step 7, the system information request for parsing terminal determines the solicited message of terminal；Wherein, the request letter of the terminal Breath includes: the number for the system information block that terminal request is subscribed to；DU receives the system information in the Msg.1 or Msg.3 of UE and asks It asks.

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 system information block that the scheduling instruction information of target dispatch block indicates 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；Terminal request is selected to subscribe to from multiple Scheduling Blocks simultaneously The Scheduling Block that the scheduling instruction information of system information block is 1 is broadcasted；Scheduling instruction information is 1 and indicates that current network is dispatched The system information block that terminal request is subscribed to.

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

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

Step 10, the RRC information is passed through into central node CU, by the central node CU to the RRC information into Row parses and determines the solicited message of terminal；Wherein the solicited message of the terminal includes: the system that the terminal request is subscribed to The number of block of information；The RRC information received (system information request containing UE) is passed through CU by DU.

Step 20 receives the instruction information that the central node CU is sent, and the instruction 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 the system information request of UE, CU is according to UE's Request, instruction DU send the system information block message of some subscription.

Step 21, according to the instruction information, the terminal request is selected to subscribe 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 system information block that the scheduling instruction information of Scheduling Block indicates 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；It is selected from multiple Scheduling Blocks simultaneously The Scheduling Block that the scheduling instruction information for selecting the system information block of terminal request subscription is 1 is broadcasted；Scheduling instruction information is 1 Indicate the system information block that current network dispatch terminal pulls subscription.

It should be noted that DU is broadcasted according to the scheduling information in Scheduling Block for the system information block for not supporting scheduling The system information block of all non-subscribed, wherein the scheduling instruction information of the system information of non-subscribed is 0 in each Scheduling Block, That is instruction 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 central node CU Situation is described in detail, and for the sending method of clearer description system information provided by the invention, 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 DU leads to the information that UE is requested by F1-AP message Know CU, such as: notice CU SIB 18 is requested, without providing UE id information；CU prepares corresponding according to the request of DU The scheduling information of SIB18 and SIB18, and it is issued into corresponding DU by F1-AP；DU exists SIB18 according to scheduling information It is broadcasted on broadcast channel.

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

Assuming that supporting 3 subscription SI in 5G system altogether, it is set as SIB7, SIB8, SIB9；Its scheduling information is in SIB1； And the subscription request of UE is SI B7, SIB8；

CU prepares full set SI and corresponding scheduling information and issues DU, a full set of SI contains in initial preparation system information phase Support the SIB 7 subscribed to, SIB8, SIB9 and 8 sets SIB1 (scheduling in 8 sets of SIB1 indicate information respectively indicate SIB 7, The dispatch situation of SIB8, SIB9, scheduling information is " 000 " in the case where subscribing to without UE, is in the case where all pulling subscription " 111 ", other and so on).DU broadcasts all non-subscribed SI according to scheduling information；Selection scheduling information is 000 SIB1 is sent.DU receives the request of the SI in the Msg.1 or Msg.3 of UE, requests SIB7, SIB8, DU according to the request of UE, Broadcast stored subscription SIB7, SIB8, while the SIB1 that broadcast scheduling instruction information is 110.Wherein " 110 " indicate that terminal is asked It asks and subscribes to SIB7 and SIB8, without the SIB9 that pulls subscription.

Third example (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 F1-AP by RRC information by DU；CU parses RRC information, learns that UE requests SIB 18, CU, according to the request of DU, prepare the scheduling information of corresponding SIB18 and SIB18, and it is issued accordingly by F1-AP DU；DU over the broadcast broadcasts SIB18 according to scheduling information.

4th (UE Request System information in RRC information, a full set of system information have been saved in DU, and CU indicates DU hair 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 F1-AP by RRC information by DU；CU parses RRC information, learns that UE is requested SIB18, CU send F1-AP message to corresponding DU, indicate that it broadcasts certain SIB18；The information for the SIB18 that DU is stored before With corresponding scheduling information, the UE SIB18 requested is broadcasted over the broadcast.

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

Implementation 3 are as follows: system information (SI message) is generated by DU, auxiliary needed for CU provides generation system information to DU Information；And the initial stage does not provide the UE corresponding auxiliary information of SI message of request.CU is in initial preparation system information phase, only (system message that must be sent is often referred to the system for not supporting to subscribe to and subscribes 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；Wherein the indicating bit of the scheduling instruction information in Scheduling Block is 0, and instruction 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 for parsing terminal determines the solicited message of terminal；Wherein, the request of the terminal Information includes: the number for the system information block that terminal request is subscribed to；That is DU receives the system information request from UE, which comes From the request from Msg.1 (message 1, i.e. physical layer message, such as leader sequence 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 central node CU；Specifically, DU leads to the request message of UE Cross F1-AP message informing CU.

Step 24, the central node CU is received to be subscribed to according to the terminal request that the solicited message of the terminal generates System information block auxiliary information and the terminal request subscribe to system information block scheduling information auxiliary information.Tool Body, CU prepares the auxiliary information of requested system information and the tune of requested system information block according to the request of DU The auxiliary information of information is spent, and is sent to the DU of Request System information by F1-AP message；Then DU believes according to the auxiliary that CU is provided Breath generates the system information block that terminal request is subscribed to, and is sent to terminal.

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

Step 25, the radio resource control RRC message that terminal is sent is received；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 it is carried in other RRC informations.

Step 26, the RRC information is passed through into central node CU, by the central node CU to the RRC information into Row parses and determines the solicited message of terminal；Wherein the solicited message of the terminal includes: the system that the terminal request is subscribed to The number of block of information；That is RRC information by passing to CU, is parsed RRC information by CU and determines that UE requests certain system information by DU Block.

Step 27, the central node CU is received to be subscribed to according to the terminal request that the solicited message of the terminal generates System information block auxiliary information and the terminal request subscribe to system information block scheduling information auxiliary information.CU According to the request of DU, prepare the auxiliary information of requested system information and the scheduling information of requested system information block Auxiliary information, and be sent to by F1-AP message the DU of Request System information；Then DU is generated according to the auxiliary information that CU is provided The system information block that terminal request is subscribed to, is sent to terminal.

Further, implementation 4 are as follows: system information (SI message) is generated by DU, and CU is provided entirely in the initial stage to DU The auxiliary information of the system message of set, and it is to support to subscribe to that DU which system information block, which is explicitly indicated,；And the full set that CU is provided The auxiliary information of system message includes: the auxiliary information of multiple Scheduling Blocks, such as the auxiliary information of SIB1；The system of DU parsing 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 the system for not supporting to subscribe to and subscribes to block), is sent to DU；Then DU stores CU and sends The system message that must be sent auxiliary information, generate and broadcast all non-subscribed system informations；Wherein in Scheduling Block The indicating bit of scheduling instruction information is 0, and instruction current network does not dispatch the system information block.

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

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

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

Step 28, the system information request for parsing terminal determines the solicited message of terminal；Wherein, the request of the terminal Information includes: the number for the system information block that terminal request is subscribed to；DU receives the system information in the Msg.1 or Msg.3 of UE 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 it is 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 be used to indicate the scheduling that the system information block that the terminal request is subscribed to is dispatched by current network and indicate information.Root According to the request of UE, the auxiliary information of the system information block of storage is selected, and regenerates system information block and is broadcasted；It is raw simultaneously At the target dispatch block of the scheduling information of the system information block of carrying terminal request subscription, the scheduling of the target dispatch block indicates letter The system information block that breath indicates that the terminal request is subscribed to is dispatched by current network；The indicating bit that instruction information will be dispatched is set as 1。

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

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

Step 31, the RRC information is passed through into central node CU, by the central node CU to the RRC information into Row parses and determines the solicited message of terminal；Wherein the solicited message of the terminal includes: the system that the terminal request is subscribed to The number of block of information；The RRC information received (system information request containing UE) is passed through CU by DU.

Step 32, the instruction information that the central node CU is sent is received, the instruction 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 the system information request of UE, CU is according to UE Request, instruction DU send some subscription system information block message.

Step 33, according to the instruction information, the terminal is selected from the auxiliary information of the system information of storage The auxiliary information of the system information block to pull subscription；And a target is selected from the auxiliary information of the multiple Scheduling Block of storage The auxiliary information of Scheduling Block；Wherein, the target dispatch block includes: the scheduling information for the system information block that terminal request is subscribed to, And it is used to indicate the scheduling that the system information block that the terminal request is subscribed to is dispatched by current network and indicates information.According to UE's Request, selects the auxiliary information of the system information block of storage, and regenerates system information block and broadcasted；Carrying is generated simultaneously The target dispatch block of the scheduling information for the system information block that terminal request is subscribed to, the scheduling instruction information instruction of the target dispatch block The system information block that the terminal request is subscribed to is dispatched by current network；The indicating bit that instruction information will be dispatched is set as 1.

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

Step 121, broadcast over the broadcast the system information block that the terminal request is subscribed to information and the end Hold the scheduling information of the system information block to pull subscription.

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

To sum up, the 5G system separated in the sending method for the system information that the above embodiment of the present invention provides for DU and CU System, distribution node DU are sent out with central node CU and the user terminal system information for being interacted to subscribe to terminal request respectively Give terminal, to flexibly support under the framework that is separated with DU of CU, the system information of terminal side request network side generation with It sends, further decreases the power consumption of terminal.

Correspondingly, 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, comprising:

Step 41, the information for the system information block that terminal request is subscribed to is sent to distribution node DU or 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 Terminal is sent, or the auxiliary information for the system information block that the distribution node DU is subscribed to according to the terminal request generates 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 in the above embodiment of the present invention can be given birth to by central node CU At distribution node DU is sent to later, terminal is then forwarded to by distribution node DU；It can also be by distribution node DU according to centromere The auxiliary information for the system information block that the terminal request that point CU is sent is subscribed to generates, and 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 forwarding is received；The solicited message of the terminal Include: the number 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 system information request of distribution node DU 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 scheduling information of the system information block of the terminal request subscription, and the terminal request is sent to the distribution node DU The scheduling 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 solicited message of terminal generates the auxiliary information for the system information block that the terminal request is subscribed to and the terminal request is subscribed to System information block scheduling information auxiliary information, and send the system that the terminal request is subscribed to the distribution node DU The auxiliary information of the scheduling information for the system information block that the auxiliary information of block of information and the terminal request are subscribed to.

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

Step 413, the radio resource control RRC message that the terminal of the distribution node DU transparent transmission 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 includes: the number 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 scheduling information of the system information block of the terminal request subscription, and the terminal request is sent to the distribution node DU The scheduling 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 solicited message of terminal generates the auxiliary information for the system information block that the terminal request is subscribed to and the terminal request is subscribed to System information block scheduling information auxiliary information, and send the system that the terminal request is subscribed to the distribution node DU The auxiliary information of the scheduling 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, comprising:

Step 416, system information is sent to distribution node DU；Wherein, the system information includes: that at least one is not supported The system information block and multiple Scheduling Blocks that the system information block of subscription, at least one support are subscribed to；Include in the Scheduling Block: The scheduling information of system information block, and be used to indicate the scheduling whether system information block is dispatched by current network and indicate information； 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 to DU in the initial stage, and It is to support to subscribe to that DU which system information block, which is explicitly indicated,；And a full set of system message that CU is provided includes: multiple Scheduling Blocks, than Such as SIB1；DU parses the system information request of UE, and the SI message for directly selecting storage is broadcasted.

Specifically, described to the distribution node DU transmission 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, comprising:

Step 417, the auxiliary information of system information is sent to distribution node DU；Wherein, the auxiliary letter of the system information Breath includes: the system information block of the auxiliary information of at least one system information block for not supporting to subscribe to, at least one support subscription Auxiliary information and multiple Scheduling Blocks auxiliary information；The distribution node DU is believed according to the request of the terminal The auxiliary information for the system information block that breath selects the terminal request to subscribe to 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 to DU in the initial stage Auxiliary information, and it is to support to subscribe to that DU which system information block, which is explicitly indicated,；And the auxiliary of a full set of system message of CU offer Information includes: the auxiliary information of multiple Scheduling Blocks, such as the auxiliary information of SIB1；DU parses the system information request of UE, directly SI message is generated according to the auxiliary information of the SI message of storage and is broadcasted.

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

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

The information of information sending module 202, the system information block for subscribing to terminal request is sent to terminal.

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

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 described in the above embodiment of the present invention further include:

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

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

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

To sum up, the 5G system separated in the sending device for the system information that the above embodiment of the present invention provides for DU and CU System, distribution node DU are sent out with central node CU and the user terminal system information for being interacted to subscribe to terminal request respectively Give terminal, to flexibly support under the framework that is separated with DU of CU, the system information of terminal side request network side generation with It sends, further decreases the power consumption of terminal.

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

As shown in figure 4, the embodiment of the present invention also provides a kind of sending device of system information, it is applied to central node CU, Include:

Sending module 401, for sending information or the end of the system information block that terminal request is subscribed to distribution node DU The auxiliary information of the system information block to pull subscription is held, so that the system that the distribution node DU subscribes to the terminal request is believed The information for ceasing block sends terminal, or the system information block that the distribution node DU is subscribed to according to the terminal request is auxiliary 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 described in the above embodiment of the present invention includes:

As shown in figure 5, the embodiment of the present invention also provides a kind of sending device of system information, which includes: processor 100；The memory 120 being connected by bus interface with the processor 100, and pass through bus interface and processor 100 The transceiver 110 being connected；The memory is for storing the processor used program and data when executing operation； Control command etc. is sent by the transceiver 110；When processor call and execute the program that is stored in the memory and When data, following functional module is realized:

Wherein, in Fig. 5, bus architecture may 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 represent link together.Bus architecture is also Various other circuits of such as peripheral 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, it will not be further described herein.Bus interface provides interface.Transceiver 110 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.Processor 100, which is responsible for management bus architecture and common processing, memory 120, can store processor 100 and is executing operation When used data.

Processor 100, which is responsible for management bus architecture and common processing, memory 120, can store processor 100 and is holding Used data when row operation.

Wherein, the sending module includes:

The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer program and (refer to Enable), which performs the steps of when being executed by processor

Optionally, it can also be performed the steps of when which is executed by processor

The solicited message of the terminal is sent to central node 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 instructions, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM), Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.

The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, several 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 is applied to distribution node DU characterized by comprising

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

The information and the terminal request for receiving the system information block that the terminal request that central node CU is sent is subscribed to are ordered The scheduling information for the system information block read；

The information for receiving the system information block that the terminal request that central node CU is sent is subscribed to and the terminal are asked The step of seeking the scheduling information of the system information block of subscription, comprising:

Receive the radio resource control RRC message that terminal is sent；Wherein, the system information for the terminal being carried in RRC information is asked It asks；

The RRC information is passed through into central node CU, the RRC information is parsed and determined by the central node CU The solicited message of terminal；Wherein the solicited message of the terminal includes: the number for the system information block that the terminal request is subscribed to；

Receive the system information that the central node CU is subscribed to according to the terminal request that the solicited message of the terminal generates The scheduling information for the system information block that the information of block and the terminal request are subscribed to；

Alternatively, the step of information for obtaining the system information block that terminal request is subscribed to, comprising:

The auxiliary information and the terminal for receiving the system information block that the terminal request that central node CU is sent is subscribed to are asked Seek the auxiliary information of the scheduling 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 of the scheduling information for the system information block subscribed to according to the terminal request generates the terminal and asks Seek the scheduling information of the system information block of subscription.

2. the method according to claim 1, wherein the terminal request for receiving central node CU and sending Before the step of scheduling information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, institute State method further include:

Receive the system information that central node CU is sent and storage；Wherein, the system information of the central node CU transmission includes: At least one system information block and multiple Scheduling Blocks for not supporting the system information block subscribed to, at least one support to subscribe to；Institute It states in Scheduling Block and includes: the scheduling information of system information block, and it is used to indicate whether system information block is dispatched by current network Scheduling indicate information.

3. according to the method described in claim 2, it is characterized in that, the terminal request for receiving central node CU and sending The step of scheduling information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, comprising:

The system information request for parsing terminal, determines the solicited message of terminal；Wherein, the solicited message of the terminal includes: eventually Hold the number of the system information block to pull subscription；

According to the solicited message of the terminal, the system for selecting the terminal request to subscribe to from the system information of storage is believed 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 The scheduling instruction information system information block that indicates that the terminal request is subscribed to dispatched by current network.

4. according to the method described in claim 2, it is characterized in that, the terminal request for receiving central node CU and sending The step of scheduling information for the system information block that the information of the system information block of subscription and the terminal request are subscribed to, comprising:

The instruction information that the central node CU is sent is received, the instruction information is used to indicate distribution node DU transmission terminal and asks Seek the system information block of subscription；

According to the instruction 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 The system information block for indicating that information indicates that the terminal request is subscribed to is dispatched by current network.

5. the method according to claim 1, wherein the terminal request for receiving central node CU and sending The auxiliary letter of the scheduling 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, comprising:

The solicited message of the terminal is sent to central node CU；

Receive the system information that the central node CU is subscribed to according to the terminal request that the solicited message of the terminal generates The auxiliary information of the scheduling information for the system information block that the auxiliary information of block and the terminal request are subscribed to.

6. the method according to claim 1, wherein the terminal request for receiving central node CU and sending The auxiliary letter of the scheduling 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, comprising:

7. the method according to claim 1, wherein the terminal request for receiving central node CU and sending The step of scheduling information for the system information block that the auxiliary information of the system information block of subscription and the terminal request are subscribed to it Before, the method also includes:

Receive the auxiliary information for the system information that central node CU is sent and storage；Wherein, the central node CU transmission is The auxiliary information of system information includes: that 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.

8. the method according to the description of claim 7 is characterized in that the terminal request for receiving central node CU and sending The auxiliary letter of the scheduling 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, comprising:

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 scheduling information for the system information block that terminal request is subscribed to, Yi Jiyong Information is indicated in the scheduling for indicating that the system information block that the terminal request is subscribed to is dispatched by current network.

9. the method according to the description of claim 7 is characterized in that the terminal request for receiving central node CU and sending The auxiliary letter of the scheduling 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, comprising:

According to the instruction information, select that the terminal request subscribes to 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 scheduling information for the system information block that terminal request is subscribed to, and is used to indicate The scheduling that the system information block that the terminal request is subscribed to is dispatched by current network indicates information.

10. the method according to claim 1, wherein the system information block that terminal request is subscribed to Information the step of being sent to terminal include:

What the information and the terminal request for broadcasting the system information block that the terminal request is subscribed to over the broadcast were subscribed to The scheduling information of system information block.

11. a kind of sending method of system information is applied to central node CU characterized by comprising

The information for the system information block that terminal request is subscribed to or the system information of terminal request subscription are sent to distribution node DU 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 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 to pull subscription is simultaneously sent to terminal；

Wherein, the information for the system information block that terminal request is subscribed to is sent to distribution node DU, comprising:

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

The RRC information is parsed, determines the solicited message of the terminal；Wherein, the solicited message of the terminal includes: The number for the system information block that the terminal request is subscribed to；

The information and the terminal of the system information block that the terminal request is subscribed to are generated according to the solicited message of the terminal The scheduling information of the system information block to pull subscription, and the system letter that the terminal request is subscribed to is sent to the distribution node DU The scheduling information for the system information block that the information and the terminal request for ceasing block are subscribed to.

12. according to the method for claim 11, which is characterized 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, comprising:

Receive the solicited message of the terminal of the distribution node DU forwarding；The solicited message of the terminal includes: terminal is asked Seek the number of the system information block of subscription；

The information and the terminal of the system information block that the terminal request is subscribed to are generated according to the solicited message of the terminal The scheduling information of the system information block to pull subscription, and the system letter that the terminal request is subscribed to is sent to the distribution node DU The scheduling information for the system information block that the information and the terminal request for ceasing block are subscribed to；Or believed according to the request of the terminal The system information block that breath generates the auxiliary information for the system information block that the terminal request is subscribed to and the terminal request is subscribed to Scheduling 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 scheduling information for the system information block that information and the terminal request are subscribed to.

13. according to the method for claim 11, which is characterized in that described to send what terminal request was subscribed to distribution node DU The step of auxiliary information of system information block, comprising:

The auxiliary information of the system information block that the terminal request is subscribed to and described is generated according to the solicited message of the terminal The auxiliary information of the scheduling information for the system information block that terminal request is subscribed to, and send the terminal to the distribution node DU and ask Seek the auxiliary of the auxiliary information of the system information block of subscription and the scheduling information of the system information block of terminal request subscription Information.

14. according to the method for claim 11, which is characterized in that described to send what terminal request was subscribed to distribution node DU The step of information of system information block, comprising:

System information is sent to distribution node DU；Wherein, the system information includes: at least one system letter for not supporting to subscribe to Cease block, the system information block and multiple Scheduling Blocks that at least one support is subscribed to；Include in the Scheduling Block: system information block Scheduling information, and be used to indicate the scheduling whether system information block is dispatched by current network and indicate information；So that the distribution The system letter that node DU can select the terminal request to subscribe to according to the solicited message of the terminal from the system information Cease the information of block.

15. according to the method for claim 11, which is characterized in that described to be ordered to the distribution node DU transmission terminal request The step of auxiliary information for the system information block read, comprising:

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 a 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 for the system information block for selecting the terminal request to subscribe in the auxiliary information of breath.

16. a kind of sending device of system information is applied to distribution node DU characterized by comprising

The information of information sending module, the system information block for subscribing to terminal request is sent to terminal；

Wherein, the data obtaining module includes:

First information acquisition submodule, the system information block that the terminal request for receiving central node CU transmission is subscribed to The scheduling information for the system information block that information and the terminal request are subscribed to；

The first information acquisition submodule includes:

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

First transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to the RRC Message parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is subscribed to System information block number；

Third receiving unit is asked for receiving the central node CU according to the terminal that the solicited message of the terminal generates Seek the scheduling information of the information of the system information block of subscription and the system information block of terminal request subscription；

Alternatively, data obtaining module includes:

Second acquisition of information submodule, the system information block that the terminal request for receiving central node CU transmission is subscribed to The auxiliary information of the scheduling information for the system information block that auxiliary information and the terminal request are subscribed to；

Third acquisition of information submodule, described in the auxiliary information of the system information block for being subscribed to according to the terminal request generates The information for the system information block that terminal request is subscribed to, and according to the scheduling information of the system information block of terminal request subscription Auxiliary information generates the scheduling information for the system information block that the terminal request is subscribed to.

17. device according to claim 16, which is characterized in that described device further include:

First receives memory module, for receiving system information and the storage of central node CU transmission；Wherein, the central node The system information that CU is sent includes: system letter of at least one system information block for not supporting to subscribe to, at least one support subscription Cease block and multiple Scheduling Blocks；Include in the Scheduling Block: the scheduling information of system information block, and it is used to indicate system information The scheduling whether block is dispatched by current network indicates information.

18. device according to claim 17, which is characterized in that the first information acquisition submodule includes:

Second resolution unit determines the solicited message of terminal for parsing the system information request of terminal；Wherein, the terminal Solicited message include: terminal request subscribe to system information block number；

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

19. device according to claim 17, which is characterized in that the first information acquisition submodule includes:

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

Second transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to the RRC Message parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is subscribed to System information block number；

5th receiving unit, the instruction information sent for receiving the central node CU, the instruction information are used to indicate point Cloth node DU sends the system information block that terminal request is subscribed to；

Second selecting unit, for selecting the terminal request from the system information of storage according to the instruction information 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 system information block that the scheduling instruction information for stating target dispatch block indicates that the terminal request is subscribed to is dispatched by current network.

20. device according to claim 16, which is characterized in that the second acquisition of information submodule includes:

Third resolution unit determines the solicited message of terminal for parsing the system information request of terminal；Wherein, the terminal Solicited message include: terminal request subscribe to system information block number；

6th receiving unit is asked for receiving the central node CU according to the terminal that the solicited message of the terminal generates Seek the auxiliary of the auxiliary information of the system information block of subscription and the scheduling information of the system information block of terminal request subscription Information.

21. device according to claim 16, which is characterized in that the second acquisition of information submodule includes:

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

Third transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to the RRC Message parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is subscribed to System information block number；

8th receiving unit is asked for receiving the central node CU according to the terminal that the solicited message of the terminal generates Seek the auxiliary of the auxiliary information of the system information block of subscription and the scheduling information of the system information block of terminal request subscription Information.

22. device according to claim 16, which is characterized in that described device further include:

Second receives storage unit, for receiving auxiliary information and the storage of the system information of central node CU transmission；Wherein, institute The auxiliary information for stating the system information of central node CU transmission includes: the auxiliary of at least one system information block for not supporting to subscribe to The auxiliary information for the system information block that information, at least one support are subscribed to and the auxiliary information of multiple Scheduling Blocks.

23. device according to claim 22, which is characterized in that the second acquisition of information submodule includes:

4th resolution unit determines the solicited message of terminal for parsing the system information request of terminal；Wherein, the terminal Solicited message include: terminal request subscribe to system information block number；

Third selecting unit, for the solicited message according to the terminal, from the auxiliary information of the system information of storage The auxiliary information for the system information block for selecting the terminal request to subscribe to；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 Scheduling information, and be used to indicate the scheduling instruction that the system information block that the terminal request is subscribed to dispatch by current network and believe Breath.

24. device according to claim 22, which is characterized in that the second acquisition of information submodule includes:

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

4th transparent transmission unit, for the RRC information to be passed through central node CU, by the central node CU to the RRC Message parse and determine the solicited message of terminal；Wherein the solicited message of the terminal includes: the terminal request is subscribed to System information block number；

Tenth receiving unit, the instruction information sent for receiving the central node CU, the instruction information are used to indicate point Cloth node DU sends the system information block that terminal request is subscribed to；

4th selecting unit, for selecting institute from the auxiliary information of the system information of storage according to the instruction information State the auxiliary information of the system information block of terminal request subscription；And it is 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 be used to indicate the scheduling that the system information block that the terminal request is subscribed to is dispatched by current network and indicate information.

25. device according to claim 16, which is characterized in that the 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 scheduling information for the system information block that the terminal request is subscribed to.

26. a kind of sending device of system information is applied to central node CU characterized by comprising

Sending module, information from the system information block of terminal request subscription 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 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 at the terminal request is simultaneously sent to terminal；

Wherein, the sending module includes:

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

Analyzing sub-module determines the solicited message of the terminal for parsing to the RRC information；Wherein, the terminal Solicited message include: the number 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 scheduling information of system information block subscribed to of the terminal request, and send end to the distribution node DU Hold the scheduling information of the information of the system information block to pull subscription and the system information block of terminal request subscription.

27. device according to claim 26, which is characterized in that the sending module includes:

First receiving submodule, the solicited message of the terminal for receiving the distribution node DU forwarding；The terminal Solicited message includes: the number 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 scheduling information of system information block subscribed to of the terminal request, and send end to the distribution node DU Hold the scheduling information of the information of the system information block to pull subscription and the system information block of terminal request subscription；Or root The auxiliary 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 terminal is asked The auxiliary information of the scheduling information of the system information block of subscription is sought, and sends the terminal request to the distribution node DU and subscribes to System information block auxiliary information and the terminal request subscribe to system information block scheduling information auxiliary information.

28. device according to claim 26, which is characterized in that second sending submodule was also used to according to the end The solicited message at end generates the auxiliary information for the system information block that the terminal request is subscribed to and the terminal request is subscribed to The auxiliary information of the scheduling information of system information block, and the system letter that the terminal request is subscribed to is sent to the distribution node DU The auxiliary information of the scheduling information for the system information block that the auxiliary information and the terminal request for ceasing block are subscribed to.

29. device according to claim 26, which is characterized in that the sending module includes:

Third sending submodule, for sending system information to distribution node DU；Wherein, the system information includes: at least one The system information block and multiple Scheduling Blocks that a system information block for not supporting to subscribe to, at least one support are subscribed to；The scheduling Include in block: the scheduling information of system information block, and it is used to indicate the scheduling whether system information block is dispatched by current network Indicate information；Described in the distribution node DU is selected from the system information according to the solicited message of the terminal The information for the system information block that terminal request is subscribed to.

30. device according to claim 26, which is characterized in that the sending module includes:

4th sending module, for sending the auxiliary information of system information to distribution node DU；Wherein, the system information is auxiliary Supplementary information includes: system letter of the auxiliary information of at least one system information block for not supporting to subscribe to, at least one support subscription Cease the auxiliary information of block and the auxiliary information of multiple Scheduling Blocks；Enable distribution node DU the asking according to the terminal The auxiliary information for the system information block for asking information that the terminal request is selected to subscribe to from the auxiliary information of the system information.