CN109600837A - The generation method and device of system information - Google Patents
The generation method and device of system information Download PDFInfo
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- CN109600837A CN109600837A CN201710922987.6A CN201710922987A CN109600837A CN 109600837 A CN109600837 A CN 109600837A CN 201710922987 A CN201710922987 A CN 201710922987A CN 109600837 A CN109600837 A CN 109600837A
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- 238000004891 communication Methods 0.000 claims description 87
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- 238000003860 storage Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 6
- 101150096310 SIB1 gene Proteins 0.000 description 14
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Abstract
The present invention provides a kind of generation method of system information and devices, wherein uses the program, system information in new system NR is divided into CU system information and DU system information two parts, two parts independently generate, and obtain system information according to the two after independently generating, are sent to terminal.Be not in the related technology firstly generate CU system information, then the mode for increasing DU system information by way of modifying the CU system information to form system information, compared with the relevant technologies, base station does not need the structure of parsing CU system information when generating DU system information, accelerate process flow, solve the problems, such as that generation system information complexity is high in NR system in the related technology, significantly reduces the process complexity that system information is generated in NR system.
Description
Technical field
The present invention relates to the communications fields, in particular to the generation method and device of a kind of system information.
Background technique
In the related art, in 5G new system (New Radio, referred to as NR), third generation partner program (Third
Generation Partnership Project, referred to as 3GPP) clearly require standardized base station centralized unit
Interface between (Central Unit, referred to as CU) and base station distribution formula unit (Distributed Unit, referred to as DU),
That is F1 interface.The end CU of F1 interface connection deploys wireless heterogeneous networks (Radio Resource Control, referred to as RRC)
With Packet Data Convergence Protocol (Packet Data Convergence Protocol, referred to as PDCP) protocol stack, the end DU
Wireless spread-spectrum technology (Radio Link Control, referred to as RLC), media access control (Medium Access are affixed one's name to
Control, referred to as MAC) and physical layer (Physical layer, referred to as PHY).And traditional 4G LTE (Long Term
Evolution, long term evolution) base station, each protocol stack of eating dishes without rice or wine all dispose together, be not present F1 interface.
In traditional 4G LTE base station system, system information is generated by base station.And 5G NR base station CU and base station DU are separated
Later, whom system information generated by, how to be generated, is a urgent problem.
Fig. 1 is according to the method flow diagram for generating system information in the related technology, as shown in Figure 1, the process includes following
Step:
1) system information is generated by base station CU by ASN.1 coding, for the field that base station CU cannot be filled, needs to reserve
Corresponding bit is left base station DU for and is filled；
2) code stream after above-mentioned ASN.1 coding is sent to base station DU by base station CU；
3) base station DU refills the bit reserved on ASN.1 code stream.
But the above method has a very big design defect.Base station CU is needed when using ASN.1 coding information
Field reserved bit position is filled for base station DU, even if these fields, base station CU does not need to be concerned about originally.It is this not decouple
Design higher complexity can be brought to base station system, to improve the cost of equipment.
Furthermore the scheme that 3GPP is also mentioned is exactly that the system message field content that all CU are concerned about is sent to by base station CU
Base station DU unifies production system information by base station DU；Either all system message field contents are sent to base station by base station DU
CU uniformly generates system information by base station CU.This scheme equally exists design defect, base station CU and base station DU, has a side to need
The system configuration information of another party is paid close attention to, two sides are without independent decoupling.
For the high problem of system information complexity is generated in NR system in the related technology, there is presently no effective solutions
Scheme.
Summary of the invention
The embodiment of the invention provides a kind of generation method of system information and devices, at least to solve NR in the related technology
The high problem of system information complexity is generated in system.
According to one embodiment of present invention, a kind of generation method of system information is provided, comprising: centralized unit CU is raw
At CU system information, wherein the CU system information does not allow to carry the bit of distributed unit DU system information；Transmission institute
CU system information is stated to DU, wherein the CU and DU belongs to the first communication node.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising: distributed single
First DU receives the CU system information of centralized unit CU transmission, wherein the CU system information does not allow to carry distributed unit DU
The bit of system information；The DU generates DU system information, wherein the CU and DU belongs to the first communication node.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising: the first communication
Node generates centralized unit CU system information, and/or, distributed unit DU system information；According to the CU system information, and/
Or, DU system information obtains system information；The system information is transmitted to the second communication node.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising: the second communication
Node receives the system information of the first communication node transmission: where the system information includes at least one of: described first
The centralized unit CU of communication node generates CU system information, and/or, the distributed unit DU of first communication node generates DU
System information；
According to one embodiment of present invention, a kind of centralized unit CU is additionally provided, comprising: first processor, for giving birth to
At CU system information, wherein the CU system information does not allow to carry the bit of distributed unit DU system information；First is logical
T unit is used for transmission the CU system information to DU, wherein the CU and DU belongs to the first communication node.
According to another embodiment of the invention, a kind of distributed unit DU is additionally provided, comprising: secondary communication device,
For receiving the CU system information of centralized unit CU transmission, wherein the CU system information does not allow to carry distributed unit DU
The bit of system information；Second processor, for generating DU system information, wherein the CU and DU belongs to the first communication
Node.
According to another embodiment of the invention, a kind of storage medium is also provided, the storage medium includes the journey of storage
Sequence, wherein described program executes method described in any one of above-described embodiment when running.
According to another embodiment of the invention, a kind of processor is additionally provided, the processor is used to run program,
In, described program executes method described in any one of above-described embodiment when running.
Through the invention, the system information in new system NR is divided into CU system information and DU system information two parts, and two
Divide and independently generate, obtains system information according to the two after independently generating, be sent to terminal.It is not firstly generating in the related technology
CU system information, the mode for then increasing DU system information by way of modifying the CU system information to form system information,
Compared with the relevant technologies, base station does not need the structure of parsing CU system information when generating DU system information, accelerates processing stream
Journey solves the problems, such as that generation system information complexity is high in NR system in the related technology, significantly reduces and generates in NR system
The process complexity of system information.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is according to the method flow diagram for generating system information in the related technology；
Fig. 2 is the flow chart of the generation method of information according to the system in the embodiment of the present invention；
Fig. 3 is according to specific embodiment 1 flow diagram that issues of system information MIB；
Fig. 4 is according to specific embodiment 1 complete MIB system information schematic diagram；
Fig. 5 is according to specific embodiment 2 flow diagram that issues of SIB1 information；
Fig. 6 is the schematic diagram of according to specific embodiment 2 SIB1 system information；
Fig. 7 is the flow diagram of according to specific embodiment 3 MIB system information transmission；
Fig. 8 is the hardware structure diagram of base station according to an embodiment of the present invention.
Specific embodiment
A kind of mobile communications network (including but not limited to 5G mobile communications network), the net are provided in the embodiment of the present application
The network architecture of network may include network side equipment (such as base station) and terminal.Providing one kind in the present embodiment can run on
Information transferring method in the above-mentioned network architecture, it should be noted that the above- mentioned information transmission side provided in the embodiment of the present application
The running environment of method is not limited to the above-mentioned network architecture.
It should be noted that the first communication node in present specification can be base station equipment, the second communication node
It can be terminal or user equipment etc., it is without being limited thereto.
Embodiment one
A kind of generation method of system information for running on the above-mentioned network architecture is provided in the present embodiment, and Fig. 2 is root
According to the flow chart of the generation method of the system information of the embodiment of the present invention, as shown in Fig. 2, the process includes the following steps:
Step S202, centralized unit CU generate CU system information, wherein the CU system information does not allow to carry distributed single
The bit of first DU system information；
Step S204 transmits the CU system information to DU, wherein the CU and DU belongs to the first communication node.
In the above-described embodiments, when CU only generates CU system information, the information such as bit of DU system information are no longer carried
It is filled for DU, i.e. CU does not need the concern side DU.
Optionally, in the CU there is no in the case where producible CU system information, the CU system information is in system information
Part be sky.
Optionally, it includes: that the CU carries out ASN.1 volume to the CU system information that centralized unit CU, which generates CU system information,
Code forms the ASN.1 code stream of CU system information.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising the following steps:
Step 1, distributed unit DU receive the CU system information of centralized unit CU transmission, wherein the CU system information is not
Allow to carry the bit of distributed unit DU system information；
Step 2, the DU generate DU system information；The DU executes one of following steps: according to the CU system information and/or
The DU system information forms system information, transmits the system information to the second communication node；The DU transmits CU system letter respectively
Breath, and/or, DU system information to second communication node；Wherein, the CU and DU belongs to the first communication node.
Optionally, in the case where producible DU system information is not present in the DU, about DU system in the system information
The part of information is sky.
Optionally, receive CU transmission CU system information ASN.1 code stream after, this method further include: the DU according to
System information is formed according to the ASN.1 code stream of CU system information and/or the DU system information, it is second logical to this to transmit the system information
Believe node；Alternatively, the DU transmits the ASN.1 code stream of the CU system information respectively, and/or, DU system information to second communication
Node.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising the following steps:
Step 1, the first communication node generate centralized unit CU system information, and/or, distributed unit DU system information；
Step 2, according to the CU system information, and/or, DU system information obtains system information；
Step 3 transmits the system information to the second communication node.
Optionally, the first communication node generates CU system information, and/or, DU system information, including at least one of:
The CU system information is generated by the centralized unit CU of first communication node；It is raw by the distributed unit DU of first communication node
At the DU system information.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising the following steps:
Second communication node receives the system information of the first communication node transmission；
Wherein, which includes at least one of: the centralized unit CU of first communication node generates CU system
Information, and/or, the distributed unit DU of first communication node generates DU system information；
Optionally, which receives the CU system information and DU system letter of first communication node transmission respectively
Breath.
Optionally, the executing subject of above-mentioned steps can be base station etc., but not limited to this.
Optionally, the first communication node generates CU system information, and/or, DU system information, including at least one of:
The CU system information is generated by the centralized unit CU of first communication node；It is raw by the distributed unit DU of first communication node
At the DU system information.
Optionally, in the CU, there is no producible CU system informations, and/or, there is no producible DU systems by the DU
In the case where information, in the system information about the part of CU system information and/or DU system information be sky.
Optionally, according to the CU system information, and/or, DU system information obtains system information, this method further include: should
DU forms system information according to the DU system information and/or CU system information.
Optionally, it includes: the CU to the CU system information that the first communication node centralized unit CU, which generates the CU system information,
ASN.1 coding is carried out, the ASN.1 code stream of CU system information is formed.
Optionally, it is formed after the ASN.1 code stream of CU system information, this method further include: the DU is according to the ASN.1 code stream
And/or the DU system information forms system information, transmits the system information to second communication node；Alternatively, the DU is passed respectively
The ASN.1 code stream of the defeated CU system information, and/or, DU system information to second communication node.
According to another embodiment of the invention, a kind of life of system information for running on the second communication node is additionally provided
At method, comprising the following steps:
Step 1, the second communication node receive the system information of the first communication node transmission；
Step 2, wherein the system information generates in the following manner: first communication node generates centralized unit CU system
System information, and/or, distributed unit DU system information；According to the CU system information, and/or, which obtains this and is
System information.
Optionally, which is generated by the first communication node CU；The DU system information is by first communication section
Point DU is generated.
According to another embodiment of the invention, additionally provide a kind of generation method of system information, this method include with
Lower step:
The centralized unit CU of step 1, the first communication node generates CU system information；
Step 2 transmits the distributed unit DU of the CU system information to first communication node.
Optionally, it includes: the CU to the CU system information that the centralized unit CU of the first communication node, which generates CU system information,
ASN.1 coding is carried out, the ASN.1 code stream of CU system information is formed.
According to another embodiment of the invention, a kind of generation method of system information is additionally provided, comprising:
Step 1, the distributed unit DU of the first communication node receive the CU system information of centralized unit CU transmission；
Step 2, the DU generate DU system information；
Step 3, the DU execute one of following steps: forming system according to the CU system information and/or the DU system information
Information transmits the system information to the second communication node；The DU transmits the CU system information respectively, and/or, DU system information is extremely
Second communication node.
You need to add is that in CU, there is no the CU systems that when producible CU system information, the received CU of the DU is transmitted
Information can be sky, i.e., DU receives as empty CU system information in above-mentioned steps one.Certainly, there is no producible DU by the DU
In the case where system information, in the system information about the part of DU system information be sky.
It is described in detail below with reference to the preferred embodiment of the present invention.
Present invention aims at, under the CU-DU separation scene of base station, the deficiency of existing system information sender case is made up,
It is proposed a kind of more preferably system information sending method.
By after base station CU and base station DU separation, the function responsibility of base station CU and base station DU also separate 5G NR therewith.Base station CU
Deployment is the function of RRC and PDCP protocol layer of eating dishes without rice or wine, then the content unrelated with RRC and PDCP protocol layer of eating dishes without rice or wine it is same with
Base station CU also should be unrelated.
For system information, RRC concerns the high-rise configuration of base station system.As in system information, be similar to SFN this
Kind dispatches strong correlation, the field that change frequency is big, requirement of real-time is high with MAC, should not be concerned about by RRC protocol layer.
So, at present, system information, so that it may split into part relevant with RRC, and part relevant with MAC.
During in base station, CU-DU is deployed separately, RRC is located at base station CU, and MAC is located at base station DU, in this way, system information can by base station CU and
Each self-generating of base station DU, remerges and issues.
Therefore, it is of the invention the main contents include:
1) system information presses stack splitting, and the system information for belonging to base station CU protocol stack is CU system information, ownership
In base station DU protocol stack system information be DU system information；
2) system information is made of CU system information and DU system information.When there is no the relevant configuration informations of base station DU
When, the DU system information portion in system information is then empty；When configuration information relevant there is no base station CU, in system information
CU system information portion be then empty；
3) CU system information is generated by base station CU, and the bit stream of specific format is encoded by base station CU；
4) DU system information is generated by base station DU, and the bit stream of specific format is encoded by base station DU；
5) CU system information bit streams are sent to base station DU by base station CU, and base station DU is responsible for CU system information bit streams and DU
The assembly of system information bit streams, base station DU are indifferent to the content of CU system information bit streams；If CU system information and DU system
System information has one for sky, then does not need assembly, can independently issue CU system information or DU system information.
Scheme comparison in the present invention and motion, advantage are between base station CU and base station DU that system information independently decouples:
1) when base station CU generates CU system information, any system information contents of base station DU are required no knowledge about；
2) what base station CU was sent to base station DU is the bit stream after coding, is not specific system message field content, base
When the DU that stands generates DU system information, the particular content for being concerned about base station CU system information is not needed yet.
Here is the specific embodiment of the preferred embodiment of the present invention.
It should be noted that the Master Information Block MIB being related in specific embodiment 1,2 and 3 is that present specification is recorded
System information a kind of alternative embodiment, the system information in 5G system can also be the structure of the MIB in LTE system,
But it is not limited to mib structure in the related technology.That is the technical solution of present specification can be applied to LTE system
The system informations such as the MIB of the system informations such as MIB, SIB1 or 5G system, SIB1 also can be applied to except before said two devices
Remaining mobile communication system system information generation.
Specific embodiment 1 (system information MIB's issues)
Referring to long evolving system LTE, there is information (such as system configured by radio resource control RRC in Master Information Block MIB
Bandwidth), also there is the information (such as SFN) configured by MAC.Therefore in the present invention, MIB is splitted into independent two parts, i.e., by RRC
The CU system information of configuration and the DU system information configured by MAC.
Fig. 3 is according to specific embodiment 1 flow diagram that issues of system information MIB, as shown in figure 3, the process packet
Include following steps:
Step S301: base station CU carries out the cell assignment of CU system information in MIB message according to RRC agreement, and carries out
ASN.1 coding, forms the ASN.1 code stream of MIB CU system information；
The CU system information ASN.1 code stream of MIB is sent to base station DU by step S302: base station CU；
Step S303: base station DU prepares dispatching down distributing MIB message, and base station DU arranges according in mac-layer protocol with terminal
Format filling generate MIB DU system information bit streams；
Step S304: base station DU splicing (can not also splice, two parts independently issue, and do not constrain the mode issued) MIB
DU system information bit streams and CU system information ASN.1 code stream, formed one completion MIB system information.Fig. 4 is according to tool
The complete MIB system information schematic diagram of body embodiment 1, as shown in figure 4, MIB system information includes DU system information bit streams,
CU system information ASN.1 code stream.
Step S305: base station DU issues MIB system information.
Specific embodiment 2 (system information SIB1's issues)
Referring to LTE, the information only configured by RRC in SIB1, the information not configured by MAC, therefore in the present invention
SIB1 only has independent CU system information.
Fig. 5 is according to specific embodiment 2 flow diagram that issues of SIB1 information, as shown in figure 5, including following step
It is rapid:
Step S501: base station CU carries out the cell assignment of CU system information in SIB1 message, and carries out ASN.1 coding, shape
At the ASN.1 code stream of SIB1CU system information；
The CU system information ASN.1 code stream of SIB1 is sent to base station DU by step S502: base station CU；
Step S503: since DU system information being not present in SIB1, DU system information portion is sky, then base station DU is straight
Meet the SIB1 that dispatching down distributing contains only CU system information.Fig. 6 is the signal of according to specific embodiment 2 SIB1 system information
Figure, as shown in fig. 6, SIB1 system information includes CU system information ASN.1 code stream.
Specific embodiment 3
System information splits into the scheme generated respectively after CU system information and DU system information, be equally applicable to not into
The base station of row CU-DU separation, is described as follows by taking the transmission of LTE MIB system information as an example.Fig. 7 is according to specific embodiment 3
The flow diagram that MIB system information is sent, as shown in fig. 7, comprises following steps:
Step S701 step: base station carries out the cell assignment of CU system information in MIB message according to RRC agreement, and carries out
ASN.1 coding, forms the ASN.1 code stream of MIB CU system information；
Step S702 step: base station prepare dispatching down distributing MIB message, base station according in mac-layer protocol and terminal arrange
Format filling generates the DU system information bit streams of MIB；
Step S703 step: splice (can not also splice, two parts independently issue, and do not constrain the mode issued) MIB in base station
DU system information bit streams and CU system information ASN.1 code stream, formed one completion MIB system information (as shown in Figure 4)；
Step S704 step: base station issues MIB system information.
By adopting the above technical scheme, after base station CU-DU separation, base station CU is no longer concerned about the system letter that base station DU is needed to configure
How breath, base station DU modify the system information of base station CU transmission without being concerned about.Base station CU and base station DU system information are independently raw
At.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment two
Additionally provide a kind of generating means of system information in the present embodiment, the device for realizing above-described embodiment and
Preferred embodiment, the descriptions that have already been made will not be repeated.As used below, predetermined function may be implemented in term " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
According to another embodiment of the invention, a kind of life of system information applied to the first communication node is additionally provided
At device, comprise the following modules:
Generation module, for generating centralized unit CU system information, and/or, distributed unit DU system information；
Module is obtained, is used for according to the CU system information, and/or, DU system information obtains system information；Transmit mould
Block is used for transmission the system information to the second communication node.
You need to add is that the method and step executed by the first communication node or base station side in embodiment one is implemented
Example, can be executed by the generating means of the above-mentioned system information for being applied to the first communication node.
According to another embodiment of the invention, a kind of system information applied to above-mentioned second communication node is additionally provided
Generating means, comprising:
Receiving module, for receiving the system information of the first communication node transmission；Wherein, the system information passes through following
Mode generates: first communication node generates centralized unit CU system information, and/or, distributed unit DU system information；According to
According to the CU system information, and/or, the DU system information obtains the system information.
You need to add is that the method and step executed by the second communication node or terminal side in embodiment one is implemented
Example, can be executed by the generating means of the above-mentioned system information for being applied to the second communication node.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment three
According to another embodiment of the invention, a kind of base station is additionally provided, Fig. 8 is base station according to an embodiment of the present invention
Hardware structure diagram, as shown in figure 8, base station 80 includes with flowering structure:
Centralized unit CU802, for generating centralized unit CU system information, wherein the CU system information does not allow to take
Bit with distributed unit DU system information；And CU system information is transmitted to DU；
Distributed unit DU804 is connected to centralized unit 802, for receiving the CU system information of CU transmission；And it is used for
It executes one of following steps: forming system information according to the CU system information and/or the DU system information, transmit the system
Information of uniting is to the second communication node；The DU transmits the CU system information respectively, and/or, DU system information to described second
Communication node；Wherein, the CU and DU belongs to the first communication node.
Discrete state or independent operating state can be presented in said two devices, can also be arranged in inside of base station.
According to another embodiment of the invention, a kind of centralized unit CU802 is additionally provided, comprising:
First processor, for generating CU system information, wherein the CU system information does not allow to carry distributed unit
The bit of DU system information；
First communication device is used for transmission the CU system information to DU804, wherein the CU802 and DU804 ownership
In the first communication node.
According to another embodiment of the invention, a kind of distributed unit DU804 is additionally provided, comprising:
Secondary communication device, for receiving the CU system information of centralized unit CU802 transmission, wherein the CU system letter
Breath does not allow to carry the bit of distributed unit DU system information；
Second processor, for generating DU system information；
The second processor is also used to execute one of following steps: according to the CU system information and/or the DU system
System information-yielding sytem information, transmits the system information to the second communication node；The DU transmits the CU system letter respectively
Breath, and/or, DU system information to second communication node；Wherein, the CU802 and DU804 belongs to the first communication section
Point.
Example IV
According to another embodiment of the invention, a kind of processor is additionally provided, the processor is used to run program,
In, described program executes method described in any one of above-described embodiment when running.
Embodiment five
According to another embodiment of the invention, a kind of storage medium is additionally provided, the storage medium includes storage
Program, wherein described program executes method described in any one of above-described embodiment when running.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of generation method of system information characterized by comprising
Centralized unit CU generates CU system information, wherein the CU system information does not allow to carry distributed unit DU system letter
The bit of breath；
The CU system information is transmitted to DU, wherein the CU and DU belongs to the first communication node.
2. the method according to claim 1, wherein in the CU, there is no the feelings of producible CU system information
Under condition, the CU system information is sky in the part of system information.
3. the method according to claim 1, wherein centralized unit CU generation CU system information includes:
The CU carries out ASN.1 coding to the CU system information, forms the ASN.1 code stream of CU system information.
4. a kind of generation method of system information characterized by comprising
Distributed unit DU receives the CU system information of centralized unit CU transmission, wherein the CU system information does not allow to carry
The bit of distributed unit DU system information；
The DU generates DU system information, wherein the CU and DU belongs to the first communication node.
5. according to the method described in claim 4, it is characterized in that, the DU is executed after DU generation DU system information
One of following steps:
System information is formed according to the CU system information and/or the DU system information, transmits the system information to second
Communication node；
The DU transmits the CU system information respectively, and/or, DU system information to second communication node.
6. according to the method described in claim 5, it is characterized in that, there is no the feelings of producible DU system information in the DU
Under condition, in the system information about the part of DU system information be sky.
7. according to the method described in claim 5, it is characterized in that, in the ASN.1 code for receiving the CU system information that CU is transmitted
After stream, the method also includes:
The DU forms system information according to the ASN.1 code stream of CU system information and/or the DU system information, transmits the system
Information of uniting is to second communication node；Alternatively,
The DU transmits the ASN.1 code stream of the CU system information respectively, and/or, DU system information to second communication section
Point.
8. a kind of generation method of system information characterized by comprising
First communication node generates centralized unit CU system information, and/or, distributed unit DU system information；
According to the CU system information, and/or, DU system information obtains system information；
The system information is transmitted to the second communication node.
9. according to the method described in claim 8, it is characterized in that, the first communication node generate CU system information, and/or, DU
System information, including at least one of:
The CU system information is generated by the centralized unit CU of first communication node；
The DU system information is generated by the distributed unit DU of first communication node.
10. a kind of generation method of system information characterized by comprising
Second communication node receives the system information of the first communication node transmission；
Wherein, the system information includes at least one of: the centralized unit CU of first communication node generates CU system
Information, and/or, the distributed unit DU of first communication node generates DU system information.
11. according to the method described in claim 10, it is characterized in that, second communication node to receive described first respectively logical
Believe CU system information and DU system information that node is sent.
12. a kind of centralized unit CU characterized by comprising
First processor, for generating CU system information, wherein the CU system information does not allow to carry distributed unit DU system
The bit for information of uniting；
First communication device is used for transmission the CU system information to DU, wherein the CU and DU belongs to the first communication section
Point.
13. a kind of distributed unit DU characterized by comprising
Secondary communication device, for receiving the CU system information of centralized unit CU transmission, wherein the CU system information does not allow
Carry the bit of distributed unit DU system information；
Second processor, for generating DU system information, wherein the CU and DU belongs to the first communication node.
14. distributed unit DU according to claim 13, which is characterized in that the second processor be also used to execute with
One of lower step:
System information is formed according to the CU system information and/or the DU system information, transmits the system information to second
Communication node；
The DU transmits the CU system information respectively, and/or, DU system information to second communication node.
15. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein when described program is run
Execute method described in 1 to 11 any one of the claims.
16. a kind of processor, which is characterized in that the processor is for running program, wherein on being executed when described program is run
State method described in any one of claim 1 to 11.
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| CN201710922987.6A CN109600837B (en) | 2017-09-30 | 2017-09-30 | System information generation method and device |
| PCT/CN2018/109178 WO2019063019A1 (en) | 2017-09-30 | 2018-09-30 | Method and device for generating system information |
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| CN111988831A (en) * | 2019-05-21 | 2020-11-24 | 中兴通讯股份有限公司 | Information transmission method and device, CU and DU |
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| WO2019063019A1 (en) | 2019-04-04 |
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