WO2018228210A1 - Method and device for managing cell, and storage medium - Google Patents

Abstract

The embodiments of the present invention provide a method and a device for managing a cell, and a storage medium. The method for managing a cell comprises: a centralized processing network unit (CU) determining the cell management parameter of a cell to which the CU belongs, the cell management parameter being used for establishing or deleting a cell for UE; and the CU sending the cell management parameter to a distributed processing network unit (DU).

Description

Method and device for managing a cell, and storage medium

Cross-reference to related applications

The present application is filed on the basis of the Chinese Patent Application No. PCT Application No. PCT Application No. .

Technical field

The embodiments of the present invention relate to the field of communications, and in particular, to a method and device for managing a cell, and a storage medium.

Background technique

The 5G network architecture is innovative and flexible. As shown in Figure 1, in the 5G network, the base stations on the radio access network side are separated into centralized processing units (CUs) and distributed processing network elements (Distributed). Unit, DU) Two functional entities. The CU includes an RRC and a Packet Data Convergence Protocol (PDCP), and the DU includes Radio Link Control (RLC), Medium Access Control (MAC), and Physical Layer (Physical). Layer, PHY) and Radio Frequency (RF). The functions of the PDCP are centrally deployed in the CU, that is, the CU is a centralized anchor point of the UP data. For multiple DUs under the CU, when the UE moves between the DUs, the PDCP of the UE may be directly used by the CU. The Protocol Data Unit (PDU) is routed to the new DU without the need to pass the S1 path conversion. On the one hand, it saves a lot of core network signaling overhead, on the other hand, it reduces the delay of handover and can enhance the movement of the NR system. performance. By controlling a plurality of distributed network elements through a centralized network element, the baseband centralized processing of the cloud architecture and the remote distributed service for the user can be implemented. In the CU-DU separate network architecture, the delay-insensitive network function is placed in the centralized processing network element CU, and the delay-sensitive network function is placed in the distributed processing network element DU, and the CU and the DU pass the ideal/ Or a non-ideal frontal (fronthaul) for transmission and connection. In addition, the separation of the centralized processing network element and the distributed processing network element can also be adapted to the future 4G evolution.

However, as a new architecture mode, the cell management process, related cell configuration parameters, and handover procedures between UEs in different cells under the same DU are not yet defined under the CU-DU architecture. In addition, there will be multiple cells under one DU, and there will be many different hardware boards (processors) under one DU. These cells are based on the board. However, at work, each cell may select a different board, which will result in the cell under the same DU being unable to perform carrier aggregation.

In view of the above problems in the related art, there is currently no effective solution.

Summary of the invention

The embodiments of the present invention provide a method and a device for managing a cell, and a storage medium, to solve at least the problem of an undefined cell management process and related cell configuration parameters in the CU-DU architecture in the related art.

According to an aspect of the present invention, a method for managing a cell is provided, which includes: a centralized processing network element CU determining a cell management parameter of a cell to which a cell belongs, wherein the cell management parameter is used to establish and delete a cell for the UE; The CU sends the cell management parameter to the distributed processing network element DU.

In other embodiments, the cell management parameter includes at least one of the following: a cell identifier ID, cell frequency point information, cell bandwidth information, service type information supported by the cell, random access resource information, configuration information of the synchronization signal SS, Paging channel configuration information, system message configuration information, cell system frame number SFN time start information, cell maximum transmit power information; wherein, in a frequency division duplex FDD mode cell, the cell frequency point information includes an uplink frequency point and The downlink frequency point; in the FDD mode cell, the cell bandwidth information includes uplink bandwidth information and downlink bandwidth information.

In other embodiments, the configuration information of the SS includes at least one of the following: SS codeword information, number of synchronization signal blocks, synchronization signal pulse length, synchronization signal pulse period, synchronization signal block period, and SS transmission power.

In other embodiments, the configuration information of the SS includes at least one of: a random access time domain; a random access frequency domain; a random access code domain resource; a power climbing parameter used in a random access process; The compensation parameter in the access process; the random access signal expects to receive power information.

In other embodiments, the cell management parameters in the New Radio (NR) system include at least: a beam identifier in the management information base MIB for identifying different beams in the cell; synchronization introduced in SIB1/2 a signal block bit map, wherein a time domain offset position corresponding to all beam transmission synchronization signal blocks in the cell is used to indicate an ID of a current cell; and a symbol of a physical uplink control channel PUCCH, a sounding reference signal SRS, a guard time slot GP The number and offset implementations are configured for uplink and downlink subframes; the radio access network notifies the area code and the paging period in the inactive state; and the SI scheduling information is used to indicate whether the indication is being broadcast.

In other embodiments, the cell management parameter carries cell configuration information of one or more cells.

In other embodiments, the method further includes: in the process of establishing a cell for the UE, the CU groups the established partial cells and sets a group ID.

In other embodiments, the paging channel configuration information includes: paging channel resource information, and CU/DU interface TNL bearer information corresponding to the paging channel.

In other embodiments, when the CU carries the paging channel TNL bearer configuration information in the configuration information, the CU receives the feedback information sent by the DU, and obtains the transport network layer TNL address information of the corresponding transport channel on the DU side.

According to still another aspect of the embodiments of the present invention, a method for managing a cell is provided, including: a distributed processing network element DU acquires a cell management parameter from a centralized processing network element CU; and the DU performs cell management according to a cell management parameter. The managing includes at least establishing or deleting a cell for the UE.

In other embodiments, the DU responds to the cell management parameter information delivered by the CU by accepting or rejecting.

In other embodiments, the performing, by the DU, the management of the cell according to the cell management parameter includes: the DU grouping the cells in the CU according to the group ID configured by the CU.

In other embodiments, when the cell ID carried in the cell deletion information received by the DU does not exist locally, the DU triggers the local resource information reporting operation, and reports the locally established cell information to the CU side.

According to still another aspect of the present invention, a device for managing a cell is provided, which is applied to a centralized processing network element CU side, and includes: a determining module configured to determine a cell management parameter of a cell to which the cell belongs, wherein the cell management The parameter is used to establish and delete a cell for the UE, and the sending module is configured to send the cell management parameter to the distributed processing network element DU.

In other embodiments, the cell management parameter includes at least one of the following: a cell identifier ID, cell frequency point information, cell bandwidth information, service type information supported by the cell, random access resource information, configuration information of the synchronization signal SS, Paging channel configuration information, system message configuration information, cell system frame number SFN time start information, cell maximum transmit power information; wherein, in a frequency division duplex FDD mode cell, the cell frequency point information includes an uplink frequency point and The downlink frequency point; in the FDD mode cell, the cell bandwidth information includes uplink bandwidth information and downlink bandwidth information.

In other embodiments, the configuration information of the SS includes at least one of the following: SS codeword information, number of synchronization signal blocks, synchronization signal pulse length, synchronization signal pulse period, synchronization signal block period, and SS transmission power.

According to still another aspect of the present invention, an apparatus for managing a cell is provided, which is applied to a distributed processing network element (DU) side, and includes: an obtaining module configured to acquire a cell management parameter from a centralized processing network element CU; And configured to perform cell management according to the cell management parameter, where the managing includes at least establishing or deleting a cell for the UE.

In other embodiments, the device responds to the cell management parameter information delivered by the CU by accepting or rejecting.

In other embodiments, the management module is configured to group cells under the CU according to the group ID configured by the CU.

In other embodiments, the apparatus further includes: a reporting module, configured to trigger a local resource information reporting operation when the cell ID carried in the cell deletion information received by the DU does not exist locally, and the local The established cell information is reported to the CU side.

According to another aspect of an embodiment of the present invention, a storage medium is provided, the storage medium comprising a stored program, wherein the program is executed to perform the method of any of the above.

According to the embodiment of the present invention, the centralized processing network element CU determines the cell management parameter of the cell to which the cell belongs, wherein the cell management parameter is used to establish and delete the cell for the UE, and the CU sends the cell management parameter to the distributed processing network element DU, thereby solving The problem of unclear cell management process and related cell configuration parameters under the CU-DU architecture in the related art fills the gap of related technologies.

DRAWINGS

The drawings are intended to provide a further understanding of the embodiments of the present invention, and constitute a part of the present application, the illustrative embodiments of the present invention and the description thereof are used to explain the technical solutions of the embodiments of the present invention, and do not constitute the protection of the present invention. Improper limits of scope. In the drawing:

FIG. 1 is a flowchart 1 of a method for managing a cell according to an embodiment of the present invention;

2 is a second flowchart of a method for managing a cell according to an embodiment of the present invention;

FIG. 3 is a first schematic structural diagram of an apparatus for managing a cell according to an embodiment of the present invention; FIG.

4 is a second schematic structural diagram of an apparatus for managing a cell according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a CU-DU according to an embodiment of the present invention; FIG.

6 is a flowchart of a method for cell establishment according to an embodiment of the present invention;

7 is a flowchart of a method for cell deletion according to an embodiment of the present invention;

FIG. 8 is a flowchart of a method for cell handover in an Intra-DU according to an embodiment of the present invention.

detailed description

Hereinafter, the technical solution of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

Example 1

A method for managing a cell is provided in this embodiment. FIG. 1 is a flowchart 1 of a method for managing a cell according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:

Step S102, the centralized processing network element CU determines a cell management parameter of the cell to which the cell belongs, where the cell management parameter is used to establish and delete a cell for the UE;

Step S104, the CU sends the cell management parameter to the distributed processing network element DU;

Through the above steps S102 and S104, the centralized processing network element CU determines the cell management parameter of the cell to which the cell belongs, wherein the cell management parameter is used to establish and delete the cell for the UE, and the CU sends the cell management parameter to the distributed processing network element DU; The problem of unclear cell management process and related cell configuration parameters under the CU-DU architecture in the related art fills the gap of related technologies.

In other embodiments, the execution order of step S102 and step S104 is interchangeable, that is, step S104 may be performed first, and then S102 is performed.

It should be noted that the cell management parameters involved in this embodiment include at least one of the following: a cell identifier (ID), a cell frequency point information, a cell bandwidth information, a service type information supported by a cell, a random access resource information, and a synchronization. Configuration information of the signal SS, paging channel configuration information, system message configuration information, cell system frame number SFN time start information, and cell maximum transmit power information; wherein the cell ID may be a primary cell ID (SpCell ID) and In the cell of the frequency division duplex FDD mode, the cell frequency point information includes an uplink frequency point and a downlink frequency point; in the FDD mode cell, the cell bandwidth information includes uplink bandwidth information. And downstream bandwidth information.

In other implementations of this embodiment, the configuration information of the SS includes at least one of the following: SS codeword information, SS block number, SS burst synchronization signal pulse length, SS burst synchronization signal pulse period, SS block period, SS Signal transmission power.

In other implementation manners of the embodiment, the SS signal configuration information includes at least one of: a random access time domain; a random access frequency domain; a random access code domain resource; and a power increase used in the random access process. Power ramping parameter; a backoff parameter in a random access procedure; a random access signal expecting received power information.

In other embodiments, the cell management parameter in the NR system includes at least: a different beam beam identification message Beam ID in the management information base MIB for identifying the cell; and a synchronization signal block bit map ssBlockBitmap, ie, a cell, is introduced in SIB1/2 The time domain offset position corresponding to all the beam transmission synchronization signal blocks SSblock is used to indicate the ID included in the current cell; the number of symbols and the offset of the PUCCH, the sounding reference signal SRS, the guard time slot GP through different physical uplink control channels The uplink and downlink subframe configuration is implemented; the radio access network notifies the area code ranNotificationAreaCode and the paging period pagingCycle in the inactive state; the SI scheduling information is used to indicate whether the indication is being broadcast.

In other embodiments, the cell management parameters carry cell configuration information of one or more cells.

In other implementation manners of this embodiment, the method in this embodiment may further include: in a process of establishing a cell for the UE, the CU groups the established partial cells, and sets a group identifier group ID.

In addition, the paging channel configuration information involved in this embodiment includes: paging channel resource information, and CU/DU interface TNL bearer information corresponding to the paging channel. Based on this, when the CU carries the paging channel TNL bearer configuration information in the configuration information, the CU receives the feedback information sent by the DU, and obtains the Transport Network Layer (TNL) address information of the corresponding transport channel on the DU side.

Example 2

2 is a second flowchart of a method for managing a cell according to an embodiment of the present invention. As shown in FIG. 2, the steps of the method include:

Step S202: The distributed processing network element DU acquires cell management parameters from the centralized processing network element CU.

Step S204: The DU performs cell management according to the cell management parameter, where the management includes at least establishing and deleting a cell for the UE.

The DU responds to the cell management parameter information sent by the CU by accepting or rejecting. That is, the DU can accept or reject the cell selected by the CU.

In other embodiments, the management of the cell by the DU according to the cell management parameter includes: the DU groups the cells under the CU according to the group ID configured by the CU.

In other embodiments, when the cell ID carried in the cell deletion information received by the DU does not exist locally, the DU triggers the local resource information reporting operation, and reports the locally established cell information to the CU side.

It should be noted that, in the process of handover between different cells in the same DU, the UE mainly includes three parts: reporting of measurement results of the UE, modification of text and bearer information between CU-DUs, and RRC connection reconfiguration; The measurement result is sent to the CU; the CU sends the text and bearer information modification instruction to the DU; the CU sends the RRC connection reconfiguration information to the UE.

Through the above descriptions of the implementations 1 and 2, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases. The former is a better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.

Example 3

In this embodiment, a device for managing a cell is also provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 3 is a schematic diagram of a device structure for managing a cell according to an embodiment of the present invention. The device is applied to a centralized processing network element CU side. As shown in FIG. 3, the device includes:

The determining module 32 is configured to determine a cell management parameter of the cell to which the cell belongs, where the cell management parameter is used to establish and delete a cell for the UE;

The sending module 34 is coupled to the determining module 32 and configured to send the cell management parameters to the distributed processing network element DU.

In other embodiments, the cell management parameter includes at least one of the following: a cell identifier ID, a cell frequency point information, a cell bandwidth information, a service type information supported by the cell, a random access resource information, a configuration information of the synchronization signal SS, and a paging. Channel configuration information, system message configuration information, cell system frame number SFN time start information, cell maximum transmit power information; wherein, in a frequency division duplex FDD mode cell, the cell frequency point information includes an uplink frequency point and a downlink frequency point; In the FDD mode cell, the cell bandwidth information includes uplink bandwidth information and downlink bandwidth information.

In an embodiment of the present embodiment, the configuration information of the SS includes at least one of the following: SS codeword information, number of synchronization signal blocks, synchronization signal pulse length, synchronization signal pulse period, synchronization signal block period, and SS transmission power. .

In another implementation manner of this embodiment, the configuration information of the SS includes at least one of: a random access time domain; a random access frequency domain; a random access code domain resource; and a power used in the random access process. Climbing parameters; compensation parameters in the random access process; random access signals expected to receive power information.

In other embodiments, the cell management parameter in the NR system includes at least: a beam identifier for identifying different beams in the cell in the management information base MIB; a synchronization signal block bit map introduced in SIB1/2, where the cell is in the middle The time domain offset position corresponding to all the beam transmitting synchronization signal blocks is used to indicate the ID of the current cell; the uplink and downlink sub-children are obtained by different physical uplink control channel PUCCH, sounding reference signal SRS, number of symbols of the guard time slot GP, and offset Frame configuration; the radio access network notifies the area code and the paging period in the inactive state; the SI scheduling information is used to indicate whether the indication is being broadcast.

It should be noted that the cell management parameter carries cell configuration information of one or more cells.

In other embodiments, the apparatus in this embodiment further includes: a processing module, coupled to the sending module 34, configured to group the established partial cells and set the group ID in the process of establishing a cell for the UE.

It should be noted that the paging channel configuration information includes: paging channel resource information, and CU/DU interface TNL bearer information corresponding to the paging channel.

In other embodiments, the apparatus may further include: a receiving module, coupled to the sending module 34, configured to receive the feedback information sent by the DU when the device carries the paging channel TNL bearer configuration information in the configuration information, and obtains The DU side corresponds to the transport network layer TNL address information of the transport channel.

Example 4

FIG. 4 is a second schematic diagram of a device structure for managing a cell according to an embodiment of the present invention. The device is applied to a distributed processing network element DU side. As shown in FIG. 4, the device includes:

The obtaining module 42 is configured to acquire a cell management parameter from the centralized processing network element CU;

The management module 44 is coupled to the acquisition module 42 and configured to perform cell management according to the cell management parameter, where the management includes at least establishing and deleting a cell for the UE.

It should be noted that the device responds to the cell management parameter information sent by the CU by accepting or rejecting.

In other embodiments, the management module is configured to group the cells under the CU according to the group ID configured by the CU.

In other embodiments, the apparatus further includes: a reporting module, coupled to the management module 44, configured to trigger local resource information reporting when the cell ID carried in the cell deletion information received by the DU does not exist locally. The operation is performed, and the information about the cell that has been established locally is reported to the CU side.

It should be noted that each of the foregoing modules in Embodiments 3 and 4 may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; Each of the above modules is located in a different processor in any combination.

The above embodiments 1-4 will be described in detail below with reference to specific embodiments 5 to 7 of the present invention.

Example 5

In the CU-DU architecture, the cell management process is specifically divided into a process in which the UE establishes a cell and deletes a cell. FIG. 5 is a schematic structural diagram of a CU-DU according to an embodiment of the present invention.

FIG. 6 is a flowchart of a method for establishing a cell according to an embodiment of the present invention. The method includes the following steps:

Step S602: The CU sends a cell establishment request message to the DU.

The cell setup request message carries cell parameter information.

Step S604: The DU sends a cell setup response message to the CU according to the obtained parameter information.

It should be noted that, in step S604, the response or modification configuration mechanism of the DU has the following two possibilities:

(1) The DUs all accept the configuration parameters delivered by the CU; (2) The DU reports the configuration parameters that need to be adjusted to the CU, and then the CU re-delivers the configuration parameters required by the DU.

FIG. 7 is a flowchart of a method for deleting a cell according to an embodiment of the present invention. The method includes the following steps:

Step S702: The CU sends a cell deletion request message to the DU.

Step S704: The DU sends a cell deletion response message to the CU.

Among them, cell establishment and cell deletion can only be initiated by the CU.

Example 7

FIG. 8 is a flowchart of a method for cell handover in an Intra-DU according to an embodiment of the present invention. As shown in FIG. 8, the steps of the method include:

Step S802: The UE reports the cell measurement report to the CU via the DU, and the CU makes a cell handover decision according to the measurement report (result).

Step S804: The CU sends a context and bearer information modification request to the target DU, where the text migration of the DU and the modification information of the bearer are included, and the ID of the target cell is also included.

Step S806: The DU reconfigures the text information on the DU and the bearer on the F1 interface according to the request, and sends a context and bearer information modification response to the CU.

Step S808: After receiving the response from the DU, the CU sends a cell handover command to the UE by using an RRC connection reconfiguration request message.

Step S810: After the UE switches from the source cell to the target cell, send an RRC connection reconfiguration complete message to the CU.

Example 8

In the CU-DU architecture, when a cell is established, the DU will group the cells that need to perform carrier aggregation, and set a group ID. Other cells in the DU that need to perform carrier aggregation can also join the group. When a resource is allocated by a DU, the cell can be identified, and the cell with the same group ID is specified to work on the same hardware board (processor). The same board can ensure unified scheduling of the MAC, thereby implementing carrier aggregation.

Embodiments of the present invention also provide a storage medium including a stored program, wherein the program is executed to perform the method of any of the above.

In this embodiment, the above storage medium may be configured to store program code for performing the following steps:

S1, determining a cell management parameter of the cell to which the cell belongs, where the cell management parameter is used to establish and delete a cell for the UE;

S2: Send the cell management parameter to the distributed processing network element DU.

In this embodiment, the above storage medium may be configured to store program code for performing the following steps:

S1. Acquire a cell management parameter from a centralized processing network element CU.

S2. Perform cell management according to the cell management parameter, where the management at least includes establishing and deleting a cell for the UE.

In this embodiment, the foregoing storage medium may include, but is not limited to, a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk, or an optical disk. A variety of media that can store program code.

It should be noted that the examples in this embodiment may refer to the examples described in the foregoing embodiments and implementation manners, and details are not described herein again.

It is to be understood that the phrase "one embodiment" or "an embodiment" or "an" Thus, "in one embodiment" or "in an embodiment" or "an" In addition, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention. The implementation process constitutes any limitation. The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed. Alternatively, the above-described integrated unit of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions. A computing device (which may be a personal computer, server, or network device, etc.) is implemented to perform all or part of the methods described in various embodiments of the present invention. The foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a ROM, a magnetic disk, or an optical disk.

The above is only the embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. It is intended to be covered by the scope of the invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Claims (24)

A method of managing a cell, comprising: The centralized processing network element CU determines a cell management parameter of the cell to which the cell belongs, wherein the cell management parameter is used to establish and delete a cell for the UE; The CU sends the cell management parameter to the distributed processing network element DU. The method of claim 1, the cell management parameter comprising at least one of the following: Cell identifier, cell frequency information, cell bandwidth information, cell type service type information, random access resource information, synchronization signal SS configuration information, paging channel configuration information, system message configuration information, cell system frame number SFN time start point Information, maximum transmit power information of the cell; The cell frequency point information includes an uplink frequency point and a downlink frequency point in a cell of a frequency division duplex FDD mode. The cell bandwidth information includes uplink bandwidth information and downlink bandwidth information in a FDD mode cell. The method according to claim 2, wherein the configuration information of the SS comprises at least one of the following: SS codeword information, number of sync signal blocks, sync signal pulse length, sync signal pulse period, sync signal block period, SS transmit power. The method according to claim 2, wherein the configuration information of the SS comprises at least one of the following: Random access time domain; Random access frequency domain; Random access code domain resources; Power climbing parameters used in the random access process; Compensation parameters in the random access process; The random access signal is expected to receive power information. The method of claim 2, wherein the cell management parameter in the new wireless NR system comprises at least: a beam identifier in the management information base MIB for identifying different beams in the cell; a synchronization signal block bit map introduced in the SIB 1/2, wherein a time domain offset position corresponding to all beam transmission synchronization signal blocks in the cell is used to indicate an ID of the current cell; The uplink and downlink subframe configuration obtained by using different physical uplink control channel PUCCH, sounding reference signal SRS, number of symbols of guard slot GP, and offset; The radio access network notifies the area code and the paging period in the inactive state; An indication in the SI scheduling information indicating whether broadcast is being broadcast. The method according to claim 1, wherein the cell management parameter carries cell configuration information of one or more cells. The method of claim 1 further comprising: In the process of establishing a cell for the UE, the CU groups the established partial cells and sets a group ID. The method according to claim 2, wherein the paging channel configuration information comprises: paging channel resource information, and CU/DU interface TNL bearer information corresponding to the paging channel. The method according to claim 8, when the CU carries the paging channel TNL bearer configuration information in the configuration information, receives the feedback information sent by the DU, and obtains the transport network layer TNL address information of the corresponding transport channel on the DU side. A method of managing a cell, comprising: The distributed processing network element DU acquires cell management parameters from the centralized processing network element CU; The DU performs cell management for the UE according to the cell management parameter, where the management includes at least establishing and deleting a cell for the UE. The method according to claim 10, wherein the DU responds to the cell management parameter information delivered by the CU by accepting or rejecting. The method according to claim 10, wherein the managing the cell by the DU according to the cell management parameter comprises: The DU groups the cells under the CU according to the group ID configured by the CU. The method of claim 10 wherein: When the cell ID carried in the cell deletion information received by the DU does not exist locally, the DU triggers the local resource information reporting operation, and reports the locally established cell information to the CU side. A device for managing a cell, which is applied to a centralized processing network element CU side, and includes: a determining module, configured to determine a cell management parameter of the cell to which the cell belongs, where the cell management parameter is used to establish and delete a cell for the UE; The sending module is configured to send the cell management parameter to the distributed processing network element DU. The apparatus according to claim 14, wherein the cell management parameter comprises at least one of the following: Cell identifier, cell frequency information, cell bandwidth information, cell type service type information, random access resource information, synchronization signal SS configuration information, paging channel configuration information, system message configuration information, cell system frame number SFN time start point Information, maximum transmit power information of the cell; The cell frequency point information includes an uplink frequency point and a downlink frequency point in a cell of a frequency division duplex FDD mode. The cell bandwidth information includes uplink bandwidth information and downlink bandwidth information in a FDD mode cell. The apparatus according to claim 15, wherein the configuration information of the SS comprises at least one of the following: SS codeword information, number of sync signal blocks, sync signal pulse length, sync signal pulse period, sync signal block period, SS transmit power. The apparatus according to claim 15, wherein the configuration information of the SS comprises at least one of the following: Random access time domain; Random access frequency domain; Random access code domain resources; Power climbing parameters used in the random access process; Compensation parameters in the random access process; The random access signal is expected to receive power information. The apparatus according to claim 15, wherein the cell management parameter in the NR system comprises at least: a beam identifier in the management information base MIB for identifying different beams in the cell; a synchronization signal block bit map introduced in the SIB 1/2, wherein a time domain offset position corresponding to all beam transmission synchronization signal blocks in the cell is used to indicate an ID included in the current cell; Up and down subframe configuration is obtained by using different physical uplink control channel PUCCH, sounding reference signal SRS, number of symbols of guard slot GP, and offset; The radio access network notifies the area code and the paging period in the inactive state; An indication in the SI scheduling information indicating whether broadcast is being broadcast. A device for managing a cell, which is applied to a distributed processing network element DU side, and includes: Obtaining a module, configured to acquire a cell management parameter from the centralized processing network element CU; The management module is configured to perform cell management according to the cell management parameter, where the management includes at least establishing and deleting a cell for the UE. The apparatus according to claim 19, wherein the apparatus responds to the cell management parameter information delivered by the CU by accepting or rejecting. The device according to claim 19, The management module is configured to group cells under the CU according to the group ID configured by the CU. The device of claim 19, the device further comprising: The reporting module is configured to trigger the local resource information reporting operation when the cell ID carried in the cell deletion information received by the DU does not exist locally, and report the locally established cell information to the CU side. A storage medium, the storage medium comprising a stored program, wherein the program is executed to perform the method of any one of claims 1 to 9. A storage medium, the storage medium comprising a stored program, wherein the program is executed to perform the method of any one of claims 10 to 13.

Images