CN115529610A - Method for improving CGI (common gateway interface) measurement reliability of NR (noise reduction) system based on Gap - Google Patents
Method for improving CGI (common gateway interface) measurement reliability of NR (noise reduction) system based on Gap Download PDFInfo
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- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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Abstract
The invention provides a method for improving CGI measurement reliability of an NR system based on Gap, which comprises the steps that a gNB adds an lMgl cell in a cell carried by an RRC Reconfiguration message to indicate Gap period configuration under a special scene; after receiving the lMgl cell, the UE stops processing all downlink data services in a Gap period indicated by the lMgl, and completes the processes of detecting MIB and SIB1 of the neighboring cell, decoding SIB1 and measuring and reporting CGI information of the neighboring cell in time. The method and the device can solve the problem that the maximum period of gapUE defined in a 3GPP wireless system protocol 38.331 is not enough to support UE to finish the whole process of detecting the neighbor cell MIB, SIB1 and SIB1 decoding to obtain the CGI information of the neighbor cell, so that the CGI information can not be measured and reported in time, and the related communication scene is interrupted, and the reliability and the stability of the related communication scene are improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method for improving the reliability of CGI measurement based on Gap in an NR system.
Background
In a related communication scenario (such as an ANR function scenario), the NR station needs to issue measurement configuration to the UE to query the CGI information of the neighboring cell, and according to the protocol 38.300, when the UE receives the measurement configuration message issued by the base station and indicates that the CGI information of the neighboring cell needs to be queried, a proper idle period needs to be scheduled so that the UE detects SIB1 of the neighboring cell to obtain the CGI information of the neighboring cell (as shown in fig. 1). In order to ensure that the UE enters the idle period, the industry configures a Gap period for the UE, and the UE can detect the SIB1 in the neighboring cell and decode to obtain the CGI information without processing any downlink data service in the Gap period. However, the maximum period of gapUE (as shown in fig. 2) defined in 3GPP radio system protocol 38.331 is only 6ms, which is not enough to support UE to complete detection of MIB of a neighboring cell, SIB1 thereby obtaining the entire flow of a neighboring cell CGI, and thus UE cannot measure and report information of the neighboring cell CGI in time, and thus the function of a related communication scenario (such as an ANR function scenario) is interrupted, and reliability is greatly reduced.
Disclosure of Invention
The invention aims to provide a method for improving CGI measurement reliability of an NR system based on Gap, and aims to solve the problem that the maximum period of gapUE defined in a 3GPP wireless system protocol 38.331 is not enough to support UE to complete detection of a neighbor MIB, SIB1 obtains the whole flow of a neighbor CGI, and the CGI cannot be measured and reported in time, so that related communication scenes (such as ANR function scenes) are interrupted.
The invention provides a method for improving CGI measurement reliability of an NR system based on Gap, which comprises the following steps:
the gNB newly adds an lMgl cell in a GapConfig cell in a MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene;
after receiving the lggl cell carried by the RRC Reconfiguration message, the UE stops processing all downlink data services within the Gap period indicated by the lggl, and completes the processes of detecting the MIB and SIB1 of the neighboring cell, decoding the SIB1, and measuring and reporting the CGI information of the neighboring cell in time.
Further, the method comprises the following steps:
s1, a gNB enters a relevant communication scene flow, and issues measurement configuration for inquiring a CGI (common gateway interface) of an adjacent cell to UE (user equipment) through an RRC reconfiguration message, wherein the RRC reconfiguration message carries an lMgl cell to indicate Gap cycle configuration under a special scene;
s2, after receiving the RRC reconfiguration message, the UE completes the Gap period configuration indicated in the RRC reconfiguration message and replies a reconfiguration completion indication message RRC reconfiguration Complete to the gNB;
s3, according to the Gap period configuration in the step S2, the UE does not process downlink data service in the Gap period, completes the detection of neighbor MIB, SIB1 and SIB1 decoding, acquires the information of the CGI of the neighbor cell, and reports the information of the CGI of the neighbor cell to the gNB through measurement;
and S4, the gNB timely receives the CGI information of the neighboring cell, and effectively performs subsequent flow processing of a related communication scene.
Further, the gNB sends an RRC reconfiguration message to the UE through the ASN coding; after receiving the RRC reconfiguration message, the UE needs to perform ASN decoding first and then perform subsequent operations.
The invention also provides a gNB, wherein the gNB is used for newly adding the lMgl cell in the GapConfig cell in the MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene.
The invention also provides a UE, which is used for stopping processing all downlink data services in the Gap period indicated by the lMgl after receiving the lMgl cell carried by the RRC Reconfiguration message, completing the processes of detecting the MIB and SIB1 of the neighboring cell, decoding the SIB1 and timely measuring and reporting the CGI information of the neighboring cell.
The invention also provides an NR system, which comprises a gNB and a UE;
the gNB is used for newly adding an lMgl cell in a GapConfig cell in a MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene;
and the UE is used for stopping processing all downlink data services in a Gap period indicated by the lMgl after receiving the lMgl cell carried by the RRC Reconfiguration message, completing the processes of detecting the neighbor MIB and the SIB1, decoding the SIB1 and measuring and reporting the CGI information of the neighbor in time.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention indicates Gap period configuration under a special scene by adding the lMgl cell in the GapConfig cell in the MeasGapConfig cell carried by the RRC Reconfiguration message, can solve the problem that the maximum period of gapUE defined in a 3GPP wireless system protocol 38.331 is not enough to support the UE to complete the whole process of detecting the neighbor MIB, obtaining the CGI information of the neighbor cell by SIB1 and decoding SIB1, and can not measure and report the CGI information in time, thereby causing the interruption of a related communication scene (such as an ANR function scene), and increases the reliability and stability of the related communication scene (such as the ANR function scene).
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart of specific implementation of an ANR function scenario in 3GPP protocol 38.300.
Fig. 2 is a diagram showing the 3GPP protocol 38.331 measgapcfig specifically containing cells.
FIG. 3 is a diagram showing MeasGapConfig containing a newly added lMgl cell according to an embodiment of the present invention.
Fig. 4 is a flowchart of RRC reconfiguration.
Fig. 5 is a diagram showing RRC reconfiguration cells in 3GPP protocol 38.331.
Fig. 6 is a diagram showing the MeasConfig specifically including cells in 3GPP protocol 38.331.
Fig. 7 is a diagram showing a report configtoaddmodlist specifically containing cells in 3GPP protocol 38.331.
Fig. 8 is a diagram showing a report confignr specific cell included in 3GPP protocol 38.331.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a method for improving reliability of CGI measurement based on Gap in an NR system, including:
the gNB adds an lMgl cell (as shown in FIG. 3) in a GapConfig cell (as shown in FIG. 2) in a MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene;
after receiving the lMgl cell carried by the RRC Reconfiguration message, the UE stops processing all downlink data services in a Gap period indicated by the lMgl, completes the processes of detecting the neighbor MIB and SIB1, decoding the SIB1 and timely measuring and reporting the CGI information of the neighbor.
Specifically, the method comprises the following steps:
s1, a gNB enters a relevant communication scene flow, and sends measurement configuration (shown in figures 6, 7 and 8) for inquiring a CGI of a neighboring cell to UE through an RRC reconfiguration message (shown in figure 5), wherein the RRC reconfiguration message carries an lMgl cell (shown in figure 3) to indicate Gap period configuration under a special scene; wherein, the RRC reconfiguration message is coded to the UE through the ASN;
s2, after receiving the RRC reconfiguration message, the UE completes the Gap period configuration indicated in the RRC reconfiguration message and replies a reconfiguration completion indication message RRC reconfiguration Complete to the gNB; wherein, after receiving RRC reconfiguration message, UE needs ASN decoding;
s3, according to the Gap period configuration in the step S2, the UE does not process downlink data service in the Gap period, completes the detection of neighbor MIB, SIB1 and SIB1 decoding, acquires the information of the CGI of the neighbor cell, and reports the information of the CGI of the neighbor cell to the gNB through measurement;
and S4, the gNB timely receives the CGI information of the neighboring cell, and effectively performs subsequent flow processing of a related communication scene (such as an ANR function scene).
Example 2
The present embodiment provides a gNB for newly adding an lgml cell to a GapConfig cell among MeasGapConfig cells carried in an RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene.
Example 3
This embodiment provides a UE, where the UE is configured to, after receiving an lggl cell carried in an RRC Reconfiguration message, stop processing all downlink data services in a Gap period indicated by the lggl, complete a process of detecting an MIB and an SIB1 of a neighboring cell, decoding the SIB1, and measuring and reporting CGI information of the neighboring cell in time.
Example 4
The present embodiment provides an NR system including a gNB and a UE;
the gNB is used for newly adding an lMgl cell in a GapConfig cell in a MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene;
and the UE is used for stopping processing all downlink data services in a Gap period indicated by the lMgl after receiving the lMgl cell carried by the RRC Reconfiguration message, completing the processes of detecting the neighbor MIB and the SIB1, decoding the SIB1 and measuring and reporting the CGI information of the neighbor in time.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for improving CGI measurement reliability of an NR system based on Gap is characterized by comprising the following steps:
the gNB newly adds an lMgl cell in a GapConfig cell in a MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration in a special scene;
after receiving the lMgl cell carried by the RRC Reconfiguration message, the UE stops processing all downlink data services in a Gap period indicated by the lMgl, completes the processes of detecting the neighbor MIB and SIB1, decoding the SIB1 and timely measuring and reporting the CGI information of the neighbor.
2. The method for improving reliability of CGI measurement based on Gap in NR system of claim 1, comprising the steps of:
s1, a gNB enters a relevant communication scene flow, and sends a measurement configuration for inquiring a CGI of an adjacent cell to UE through an RRC reconfiguration message, wherein the RRC reconfiguration message carries an lMgl cell to indicate Gap period configuration under a special scene;
s2, after receiving the RRC reconfiguration message, the UE completes the Gap period configuration indicated in the RRC reconfiguration message and replies a reconfiguration completion indication message RRC reconfiguration Complete to the gNB;
s3, according to the Gap period configuration in the step S2, the UE does not process downlink data service in the Gap period, completes the detection of neighbor MIB, SIB1 and SIB1 decoding, acquires the information of the CGI of the neighbor cell, and reports the information of the CGI of the neighbor cell to the gNB through measurement;
and S4, the gNB timely receives the CGI information of the neighboring cell, and effectively performs subsequent flow processing of a related communication scene.
3. The method of claim 2, wherein the gNB sends an RRC reconfiguration message to the UE through ASN coding; after receiving the RRC reconfiguration message, the UE needs to perform ASN decoding first and then perform subsequent operations.
4. A gNB for newly adding an lgml cell in a gappconfig cell among measgappconfig cells carried by an RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration under a special scene.
5. A UE is characterized in that the UE is used for stopping processing all downlink data services in a Gap period indicated by an lMgl after receiving the lMgl cell carried by an RRC Reconfiguration message, completing the processes of detecting neighbor MIB and SIB1, decoding the SIB1 and measuring and reporting the CGI information of the neighbor in time.
6. An NR system, comprising a gNB and a UE;
the gNB is used for newly adding an lMgl cell in a GapConfig cell in a MeasGapConfig cell carried by the RRC Reconfiguration message; the lMgl cell is used for indicating the Gap period configuration in a special scene;
and the UE is used for stopping processing all downlink data services in a Gap period indicated by the lMgl after receiving the lMgl cell carried by the RRC Reconfiguration message, completing the processes of detecting the neighbor MIB and SIB1, decoding the SIB1 and timely measuring and reporting the CGI information of the neighbor.
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