CN113853027B - Method and system for improving performance of option6 mobility scene system - Google Patents
Method and system for improving performance of option6 mobility scene system Download PDFInfo
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- 230000003044 adaptive effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000009191 jumping Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 5
- 238000004590 computer program Methods 0.000 description 7
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0084—Quality of service aspects
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Abstract
The application relates to the technical field of communication, in order to promote the overall system performance of mobile scenes among different RUs in a BBU. Specifically discloses a method and a system for improving performance of an option6 mobility scene system, wherein the method comprises the following steps: the BBU maintains only one set of uplink adaptation parameters for each UE; the BU performs channel merging for RU; when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU with the best channel quality as the normal and effective input to influence the self-adaptive parameters of the uplink, and if not, directly replacing the inner ring parameters of the original self-adaptive parameters.
Description
Technical Field
The application relates to the technical field of communication, in particular to a method and a system for improving performance of an option6 mobility scene system.
Background
The separation of the communication between the O-DU and the O-RU in the 5G O-RAN using the nFAPI interface is called option6, where the O-DU contains RLC and MAC and the O-RU contains PHY, RF and antenna. One of the O-DUs may connect multiple O-RUs through EU. GPON is a broadband access technology commonly adopted by large operators at present, and has the advantages of covering long-distance transmission (up to 20 km), large bandwidth (downlink 2.5G/uplink 1.25G physical layer) and good light splitting characteristic (64-128). If the 5G options 6 base station uses the existing GPon transmission network to forward, the 5G networking cost can be greatly saved.
When the UE moves under the coverage of different RUs under the same BBU cascade, the flow fluctuation of the UE can be influenced due to the different signal quality of the UE received by the different RUs, and the service stability of the UE needs to be ensured.
Disclosure of Invention
The application provides a method, a system, computer equipment and a storage medium for improving performance of an option6 mobility scene system, so as to solve the problems.
In a first aspect, the present application provides a method for improving performance of an option6 mobility scenario system, where the method includes:
S1, BBU only maintains one set of uplink self-adaptive parameters for each UE;
s2, the BBU performs channel combination for the RU;
S3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, using the RU as a normal and effective input to influence the self-adaptive parameter of the uplink, and if not, directly replacing the inner ring parameter of the original self-adaptive parameter.
In a second aspect, the present application further provides a system for improving performance of an option6 mobility scenario system, where the system includes:
The uplink self-adaptive parameter maintenance unit is used for the BBU to collect all MSG1 global information and sort RUs with the same preamble ID;
a channel merging unit, configured to perform channel merging for the RU by the BBU;
A configuration demodulation unit, configured to select at least one RU from the BBU, configure the selected RU to demodulate the uplink MSG3, perform MSG3 demodulation by the RU, and report the demodulation result to the BBU;
And the judging unit is used for judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU when the UE baseband is combined into the new RU set, if so, taking the RU with the best channel quality as a normal and effective input adaptive parameter affecting an uplink, and if not, directly replacing the inner ring parameter of the original adaptive parameter.
The application discloses a method and a system for improving the performance of an option6 mobility scene system, which execute channel combination for RU through BU; the BBU maintains only one set of uplink adaptation parameters for each UE; when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU with the best channel quality as the normal and effective input to influence the self-adaptive parameters of the uplink, and if not, directly replacing the inner ring parameters of the original self-adaptive parameters. The application can improve the overall system performance of mobile scenes among different RUs in the BBU.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for improving performance of an option6 mobility scenario system provided by an embodiment of the present application;
FIG. 2 is a schematic block diagram of a system for improving performance of an option6 mobility scenario system provided by an embodiment of the present application;
fig. 3 is a schematic block diagram of a computer device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The flow diagrams depicted in the figures are merely illustrative and not necessarily all of the elements and operations/steps are included or performed in the order described. For example, some operations/steps may be further divided, combined, or partially combined, so that the order of actual execution may be changed according to actual situations.
Some terms are explained first below. nFAPI is an interface communication mode, in which the UE is a user equipment, the DU is a distribution unit, the EU is an extension unit, the RU is an EU extended remote unit, the BBU is a baseband processing unit, the OAM is an operation maintenance management system of the network, the SINR is a signal to interference plus noise ratio, the AMC is a self-adaptive modulation coding scheme, the PHR is a power headroom, and the RI is a channel rank indication. GPON is a gigabit passive optical network or a gigabit passive optical network, and GPON technology is a latest generation broadband passive optical integrated access standard based on ITU-T G.984.X standard, and has numerous advantages of high bandwidth, high efficiency, large coverage, rich user interfaces and the like.
The embodiment of the application provides a method and a system for improving the performance of an option6 mobility scene system. The method for improving the performance of the option6 mobility scene system can be applied to a terminal or a server to improve the success rate of random access. The application is applied to the 5G options 6+GPon scene, and the DU and the RU are communicated through nFAPI interfaces, and the conventional GPON transmission network is utilized for transmission.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for improving performance of an option6 mobility scenario system according to an embodiment of the present application. The identification method includes steps S1 to S3.
S1, BBU maintains only one set of uplink adaptation parameters for each UE.
When the UE moves, it is possible to move from one RU coverage area of the target BBU cascade to another RU coverage area, and the same set of uplink adaptive parameters is maintained for the UE all the time in the process.
S2, the BBU performs channel combination for the RU.
When the BBU cascades a plurality of RUs through a plurality of EUs, the BBU selects an RU set with optimal channels for the UE by collecting global uplink channel information of the UE, wherein the RU set can contain one to a plurality of RUs.
S3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, using the RU as a normal and effective input to influence the self-adaptive parameter of the uplink, and if not, directly replacing the inner ring parameter of the original self-adaptive parameter.
The baseband combining method provided in the above embodiment performs channel combining for RU through BBU; the BBU maintains only one set of uplink adaptation parameters for each UE; when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU with the best channel quality as the normal and effective input to influence the self-adaptive parameters of the uplink, and if not, directly replacing the inner ring parameters of the original self-adaptive parameters. The application improves the overall system performance of mobile scenes among different RUs in the BBU.
In an alternative embodiment, the S2, BBU performs channel combining for RU, including steps S21-S23.
S21, collecting channel quality of the UE in different RUs;
s22, sorting the RUs according to the channel quality;
s23, selecting an RU combination with the best channel quality, and configuring at least one RU with the best channel quality to upload uplink channel data of the UE.
In an alternative embodiment, the method is applied to an RU transform process uplink adaptive modulation coding scheme; and S3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU with the best channel quality as a normal and effective input adaptive parameter affecting an uplink, and if not, directly replacing an inner ring parameter of the original adaptive parameter, wherein the method comprises the following steps:
S31, judging whether the SINR of the uplink channel corresponding to the newly selected RU is higher than the old RU after PHR conversion, if so, executing S32, and if not, jumping to S33.
The judging method in S31 is as follows: and reporting the channel measurement for three times continuously, and comparing the median value of the channel measurement values for three times with the SINR maintained by the AMC inner ring.
S32, the SINR of the new RU normally participates in the AMC inner loop filtering of the UE, and the AMC outer loop statistics of the UE normally proceeds.
S33, the SINR of the new RU directly replaces the AMC inner loop filtering of the UE, and the AMC outer loop statistics of the UE is normally carried out.
In an alternative embodiment, the method is applied to an RU transform process uplink adaptive modulation coding scheme; and S3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU with the best channel quality as a normal and effective input adaptive parameter affecting an uplink, and if not, directly replacing an inner ring parameter of the original adaptive parameter, wherein the method comprises the steps S31 a-S33 a:
S31a, judging whether the uplink channel RI estimation corresponding to the newly selected RU is higher than the old RU, if yes, executing step S32a, otherwise, jumping to step S33a.
The judging method in S31a is as follows: the judging method is that the first RI report value of the new RU is compared with the statistical RI maintained by the MIMO self-adaptive module.
S32a, estimating RI statistics of transmission mode of normal participation UE by RI of the new RU.
S33a, the RI estimation of the new RU directly replaces the RI statistics of the transmission mode of the UE, and other statistics of the transmission mode of the UE are normally carried out.
Referring to fig. 2, fig. 2 is a schematic block diagram of a system for improving performance of an option6 mobility scenario system according to an embodiment of the present application, where the identification system may be configured in a server to perform the foregoing method for improving performance of an option6 mobility scenario system.
As shown in fig. 2, the system includes 200, including: an uplink adaptive parameter maintenance unit 201, a channel combination unit 202, and a judgment unit 203.
An uplink adaptive parameter maintenance unit 201 for the BBU to maintain only one set of uplink adaptive parameters per UE.
A channel merging unit 202 for performing channel merging for RU in BU.
And the judging unit 203 is configured to judge whether the channel quality of the RU with the best channel quality in the new RU set is higher than the original RU when the UE baseband is combined into the new RU set, if so, use the new RU set as a normal and effective input adaptive parameter affecting the uplink, and if not, directly replace the inner loop parameter of the original adaptive parameter.
It should be noted that, for convenience and brevity of description, the specific working process of the above-described system and each unit may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
The system described above may be implemented in the form of a computer program which is executable on a computer device as shown in fig. 3.
Referring to fig. 3, fig. 3 is a schematic block diagram of a computer device according to an embodiment of the present application. The computer device may be a server or a terminal.
With reference to FIG. 3, the computer device includes a processor, memory, and a network interface connected by a system bus, where the memory may include a non-volatile storage medium and an internal memory.
The non-volatile storage medium may store an operating system and a computer program. The computer program comprises program instructions that, when executed, cause a processor to perform any of a number of methods for improving performance of an option6 mobility scenario system.
The processor is used to provide computing and control capabilities to support the operation of the entire computer device.
The internal memory provides an environment for the execution of a computer program in a non-volatile storage medium that, when executed by a processor, causes the processor to perform any one of a number of methods that enhance the performance of the option6 mobility scenario system.
The network interface is used for network communication such as transmitting assigned tasks and the like. It will be appreciated by those skilled in the art that the structure shown in FIG. 3 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
It should be appreciated that the Processor may be a central processing unit (Central Processing Unit, CPU), it may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL Processor, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), off-the-shelf Programmable gate array (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. Wherein the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein in one embodiment the processor is configured to run a computer program stored in the memory to implement the steps of:
The BBU maintains only one set of uplink adaptation parameters for each UE; the BU performs channel merging for RU; when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU with the best channel quality as the normal and effective input to influence the self-adaptive parameters of the uplink, and if not, directly replacing the inner ring parameters of the original self-adaptive parameters.
The embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, the computer program comprises program instructions, and the processor executes the program instructions to realize any method for improving the performance of the option6 mobility scene system provided by the embodiment of the application.
The computer readable storage medium may be an internal storage unit of the computer device according to the foregoing embodiment, for example, a hard disk or a memory of the computer device. The computer readable storage medium may also be an external storage device of the computer device, such as a plug-in hard disk, a smart memory card (SMART MEDIA CARD, SMC), a Secure Digital (SD) card, a flash memory card (FLASH CARD), or the like, which are provided on the computer device.
While the application has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (7)
1. A method for improving performance of an option6 mobility scenario system, comprising:
S1, BBU only maintains one set of uplink self-adaptive parameters for each UE;
S2, performing channel combination for RUs by the BBU, wherein the channel combination indicates that the BBU selects an RU set with optimal channel quality for different UEs, and the RU set comprises at least one RU;
S3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU channel quality measurement quantity with the best channel quality in the new RU set as a normal effective input parameter, participating in calculation of the self-adaptive parameter affecting an uplink, and if not, directly replacing the inner ring parameter of the original self-adaptive parameter.
2. The method for improving performance of an option6 mobility scenario system according to claim 1, wherein the S2, BBU performs channel combining for RU, comprising:
Collecting channel quality of UE in different RUs;
ordering the plurality of RUs according to channel quality;
And selecting an RU combination with the best channel quality, and configuring at least one RU with the best channel quality to upload uplink channel data of the UE.
3. The method for improving performance of an option6 mobility scenario system according to claim 1, wherein the method is applied to an RU transform process uplink adaptive modulation coding scheme; s3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU channel quality measurement quantity with the best channel quality in the new RU set as a normal effective input parameter, participating in calculation of the self-adaptive parameter affecting an uplink, and if not, directly replacing the inner ring parameter of the original self-adaptive parameter, wherein the method comprises the following steps:
S31, judging whether the SINR of the uplink channel corresponding to the newly selected RU is higher than the SINR of the uplink channel of the old RU after PHR conversion, if so, executing S32, otherwise, jumping to S33;
S32, the SINR of the new RU normally participates in the AMC inner loop filtering of the UE, and the AMC outer loop statistics of the UE normally proceeds;
S33, the SINR of the new RU directly replaces the AMC inner loop filtering of the UE, and the AMC outer loop statistics of the UE is normally carried out.
4. The method for improving performance of an option6 mobility scenario system according to claim 3, wherein the determining method in S31 is as follows: and reporting the channel measurement for three times continuously, and comparing the median value of the channel measurement values for three times with the SINR maintained by the AMC inner ring.
5. The method for improving performance of an option6 mobility scenario system according to claim 2, wherein the method is applied to an RU transform process uplink adaptive modulation coding scheme; s3, when the UE baseband is combined into a new RU set, judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU, if so, taking the RU channel quality measurement quantity with the best channel quality in the new RU set as a normal effective input parameter, participating in calculation of the self-adaptive parameter affecting an uplink, and if not, directly replacing the inner ring parameter of the original self-adaptive parameter, wherein the method comprises the following steps:
s31 a, judging whether the uplink channel RI estimation corresponding to the newly selected RU is higher than the uplink channel RI estimation corresponding to the old RU, if yes, executing the step S32a, otherwise, jumping to the step S33a;
s32a, estimating RI statistics of a transmission mode RI of normal participation UE by RI of a new RU;
s33a, the RI estimation of the new RU directly replaces the RI statistics of the transmission mode of the UE, and other statistics of the transmission mode of the UE are normally carried out.
6. The method for improving performance of an option6 mobility scenario system according to claim 5, wherein the determining method in S31 a is as follows: the judging method is that the first RI report value of the new RU is compared with the statistical RI maintained by the MIMO self-adaptive module.
7. A system for improving performance of an option6 mobility scenario system, comprising:
an uplink adaptive parameter maintenance unit configured to maintain only one set of uplink adaptive parameters for each UE by the BBU;
A channel merging unit, configured to perform channel merging for RUs by using BU, where the channel merging indicates that the BBU selects an RU set with optimal channel quality for different UEs, where the RU set includes at least one RU;
And the judging unit is used for judging whether the channel quality of the RU with the best channel quality in the new RU set is higher than that of the original RU when the UE baseband is combined into the new RU set, if so, taking the RU channel quality measurement quantity with the best channel quality in the new RU set as a normal effective input parameter, participating in the calculation of the self-adaptive parameter affecting the uplink, and if not, directly replacing the inner ring parameter of the original self-adaptive parameter.
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| KR20160039573A (en) * | 2013-08-01 | 2016-04-11 | 엘지전자 주식회사 | Method for performing random access by terminal, and terminal |
| CN105634566A (en) * | 2014-11-04 | 2016-06-01 | 普天信息技术有限公司 | Scalable distributed antenna system and processing method |
| CN104617995B (en) * | 2014-12-29 | 2018-04-03 | 三维通信股份有限公司 | A kind of indoor DAS system based on day line options resists small uplink signal of base station interference method |
| EP3257289B1 (en) * | 2015-02-10 | 2019-01-30 | Telefonaktiebolaget LM Ericsson (publ) | Combining uplink radio signals |
| KR101843153B1 (en) * | 2016-02-01 | 2018-03-29 | 한국전자통신연구원 | Method and apparatus for creating handover zone in network for high-speed train communication |
| US10886976B2 (en) * | 2017-07-31 | 2021-01-05 | Mavenir Networks, Inc. | Method and apparatus for flexible fronthaul physical layer split for cloud radio access networks |
| WO2019217391A1 (en) * | 2018-05-07 | 2019-11-14 | Mavenir Networks, Inc. | Method and apparatus for fronthaul compression in cloud ran |
| CN112600648B (en) * | 2020-12-11 | 2021-12-14 | 深圳金信诺高新技术股份有限公司 | Downlink adaptive modulation and coding method and system based on 5G standard NR |
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| CN101198175A (en) * | 2007-12-05 | 2008-06-11 | 中兴通讯股份有限公司 | Switching method and system based on distributed base station system |
| CN101982995A (en) * | 2010-10-29 | 2011-03-02 | 华为技术有限公司 | Communication method, device and system |
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