WO2017177600A1

WO2017177600A1 - Method and device for determining iub interface signaling interaction delay

Info

Publication number: WO2017177600A1
Application number: PCT/CN2016/096405
Authority: WO
Inventors: 李宏; 张超群
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-04-12
Filing date: 2016-08-23
Publication date: 2017-10-19
Also published as: CN107295555A

Abstract

The present invention relates to the technical field of WCDMA mobile communications. Disclosed are a method and device for determining an Iub interface signaling interaction delay. The method comprises: a main control board obtains, by sending signaling delay statistics request information to a baseband board, signaling delay statistics information collected by the baseband board; the main control board obtains a signaling loss rate of the baseband board by collecting statistics on the obtained signaling delay statistics information collected by the baseband board; the main control board determines whether an Iub interface signaling interaction delay leading to network KPI degradation exists according to the obtained signaling loss rate. By means of the present invention, whether an Iub interface signaling delay or packet loss problem causes network KPI degradation can be conveniently determined, and thus the network KPI analysis efficiency of operation and maintenance personnel is improved.

Description

Method and device for judging Iub port signaling interaction delay

Technical field

The present invention relates to the field of WCDMA (Wideband Code Division Multiple Access) mobile communication technology, and more particularly to a method and device for judging Iub interface signaling interaction delay.

Background technique

The Iub interface refers to the logical interface between the RNC (Radio Network Controller) and the NodeB. The transmission of many commercial sites in the external field is unstable, which causes the RNC to deliver the NBAP (Node B Application Part, NodeB application) to the Node B. The partial protocol) signaling or NBAP signaling sent by the Node B to the RNC is delayed or lost, affecting the control plane signaling processing flow of the NodeB and the RNC, thereby deteriorating the network KPI (Key Performance Indicators) indicators. In this case, the traditional transmission delay detection technology SLA (Service Level Agrement) cannot be detected because the SLA can only detect the delay or loss of the User Datagram Protocol (UDP) packet. The delay or loss of control plane NBAP signaling cannot be detected. If the network KPI indicator is delayed due to delay or loss of NBAP signaling, other KPI analysis methods will be difficult to determine.

Summary of the invention

The technical problem solved by the solution provided by the embodiment of the present invention is that it is impossible to determine whether the network KPI indicator is deteriorated by the control plane transmission delay or the packet loss problem.

A method for judging an Iub interface signaling interaction delay according to an embodiment of the present invention includes:

The main control board obtains signaling delay statistics information of the baseband board by sending signaling delay statistics request information to the baseband board.

The main control board performs statistical processing on the obtained signaling delay statistics of the baseband board, and obtains a signaling loss rate of the baseband board.

The main control board determines whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate according to the obtained signaling loss rate.

Preferably, the method further comprises:

When the main control board determines that there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate, the main control board sends an alarm message to the network management.

Preferably, the signaling delay statistics information includes:

The number of times the wireless link is repeatedly established;

The number of times the wireless link is repeated;

The number of delays submitted by the wireless link reconfiguration;

The number of lost links submitted by the wireless link;

The total number of dedicated signaling.

Preferably, the main control board performs statistical processing on the obtained signaling delay statistics of the baseband board, and the signaling loss rate of the baseband board is:

The main control board performs an accumulation calculation by repeating the number of times the wireless link is established, the number of times the wireless link is repeatedly increased, the number of delays submitted by the wireless link reconfiguration, and the number of lost data submitted by the wireless link reconfiguration. Obtaining the total number of radio link signaling delays;

The main control board obtains the signaling loss rate of the baseband board according to the total number of radio link signaling delays obtained and the total number of dedicated signaling.

Preferably, the main control board obtains the signaling loss rate of the baseband board according to the total number of times of the obtained radio link signaling delay and the total number of the dedicated signaling, including:

Signaling loss rate = total number of radio link signaling delays / total number of dedicated signaling.

Preferably, the main control board determines, according to the obtained signaling loss rate, whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate:

The main control board compares the obtained signaling loss rate with a preset signaling delay threshold;

If the signaling loss rate is greater than the preset signaling delay threshold, the main control board determines that there is a guide Iub port signaling interaction delay that causes the network KPI indicator to deteriorate;

If the signaling loss rate is not greater than the preset signaling delay threshold, the main control board determines that there is no Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.

An apparatus for determining an Iub interface signaling interaction delay according to an embodiment of the present invention includes:

Obtaining a signaling delay statistic information module, and setting the main control board to obtain signaling delay statistic information of the baseband board by sending signaling delay statistic request information to the baseband board;

Obtaining a signaling loss rate module, where the main control board is configured to perform statistical processing on the acquired signaling delay statistics of the baseband board, to obtain a signaling loss rate of the baseband board;

The signaling interaction delay judging module is configured to determine, according to the obtained signaling loss rate, whether the Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.

Preferably, the method further comprises:

The alarm module is configured to send an alarm message to the NMS when the Iub interface signaling delay of the network KPI indicator is deteriorated.

Preferably, the signaling delay statistics information includes:

The number of times the wireless link is repeatedly established;

The number of times the wireless link is repeated;

The number of delays submitted by the wireless link reconfiguration;

The number of lost links submitted by the wireless link;

The total number of dedicated signaling.

Preferably, the acquiring a signaling loss rate module includes:

a calculating unit, configured to: the number of times the primary control board repeats the establishment of the wireless link, the number of times the wireless link is repeatedly increased, the number of delays submitted by the wireless link reconfiguration, and the loss of the radio link reconfiguration submission The number of times is cumulatively calculated to obtain the total number of radio link signaling delays;

Obtaining a signaling loss rate unit, and setting a signaling loss rate of the baseband board according to the obtained total number of radio link signaling delays and the total number of dedicated signalings.

According to still another embodiment of the present invention, a storage medium is also provided. The storage medium is arranged to store program code for performing the following steps:

Obtaining signaling delay statistics of the baseband board by sending signaling delay statistics request information to the baseband board;

Performing statistical processing on the obtained signaling delay statistical statistics of the baseband board to obtain a signaling loss rate of the baseband board;

According to the obtained signaling loss rate, it is determined whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.

According to the solution provided by the embodiment of the present invention, the embodiment of the present invention can determine whether the network KPI indicator caused by the Iub interface signaling delay or packet loss problem is very convenient, and improves the efficiency of the operation and maintenance personnel in analyzing the network KPI.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

FIG. 1 is a flowchart of a method for judging an Iub interface signaling interaction delay according to an embodiment of the present invention;

2 is a schematic diagram of a device for determining an Iub interface signaling interaction delay according to an embodiment of the present invention;

3 is a diagram of a device for determining a signaling delay entity according to an embodiment of the present invention;

FIG. 4 is a flowchart of determining an Iub interface signaling interaction delay according to an embodiment of the present invention.

detailed description

The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

FIG. 1 is a flowchart of a method for judging an Iub interface signaling interaction delay according to an embodiment of the present invention. As shown in FIG. 1 , the method includes:

Step S101: The main control board obtains signaling delay statistics information of the baseband board by sending signaling delay statistics request information to the baseband board.

Step S102: The main control board performs statistical processing on the acquired signaling delay statistical information of the baseband board to obtain a signaling loss rate of the baseband board.

Step S103: The main control board determines, according to the obtained signaling loss rate, whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.

The embodiment of the present invention further includes: when the main control board determines that there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate, the main control board sends the alarm information to the network management.

The signaling delay statistics information includes: the number of times the radio link is repeatedly established; the number of times the radio link is repeatedly increased; the number of delays submitted by the radio link reconfiguration; the number of lost radio link resubmissions; the total number of dedicated signaling . Specifically, the main control board performs statistical processing on the obtained signaling delay statistics of the baseband board, and obtains a signaling loss rate of the baseband board, where the main control board passes the pair of wireless chains. The number of times of repeated establishment of the road, the number of times of repeated repetition of the wireless link, the number of delays submitted by the radio link reconfiguration, and the number of lost commits of the radio link reconfiguration are cumulatively calculated, and the total number of radio link signaling delays is obtained. The main control board obtains the signaling loss rate of the baseband board according to the total number of radio link signaling delays obtained and the total number of dedicated signaling. The main control board obtains the signaling loss rate of the baseband board according to the total number of times of the obtained radio link signaling delay and the total number of the dedicated signaling, including: signaling loss rate=radio link signaling Total number of delays / total number of dedicated signaling.

Specifically, the main control board determines, according to the obtained signaling loss rate, whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate: the main control board will obtain the obtained signaling loss rate and the preset The signaling delay threshold is compared; if the signaling loss rate is greater than the preset signaling delay threshold, the main control board determines that there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate; if the signaling is lost The rate is not greater than the preset signaling delay threshold, and the main control board determines that there is no Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.

FIG. 2 is a schematic diagram of a device for determining an Iub interface signaling interaction delay according to an embodiment of the present invention, including: obtaining a signaling delay statistics module 201, acquiring a signaling loss rate module 202, and a signaling interaction delay determining module 203. The obtaining the signaling delay statistic information module 201 is configured to obtain the signaling delay statistic information of the baseband board by sending the signaling delay statistic request information to the baseband board; the acquiring signaling loss rate The module 202 is configured to perform statistical processing on the acquired signaling delay statistics of the baseband board, and obtain a signaling loss rate of the baseband board. The signaling interaction delay determining module 203 sets The main control board determines whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate according to the obtained signaling loss rate.

The embodiment of the present invention further includes: an alarm module, configured to send an alarm message to the network management system when the main control board determines that there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.

Specifically, the signaling delay statistics information 201 includes: the number of times the radio link is repeatedly established; the number of times the radio link is repeatedly increased; the number of delays submitted by the radio link reconfiguration; the number of times the radio link reconfiguration commits; The total number of times. The acquiring signaling loss rate module 202 includes: a calculating unit, configured to set the number of times the primary control board repeats the establishment of the wireless link, the number of times the wireless link is repeatedly increased, and the number of delays submitted by the wireless link reconfiguration. And the number of lost times of the radio link reconfiguration is accumulated, and the total number of radio link signaling delays is obtained; and the signaling loss rate unit is obtained, and is set as the main control board according to the total number of radio link signaling delays obtained. And the total number of dedicated signalings, the signaling loss rate of the baseband board is obtained.

FIG. 3 is a schematic diagram of a device for determining a signaling delay entity according to an embodiment of the present invention. As shown in FIG. 3, the device includes a main control board, a baseband board, and a network management system.

The main control board:

1. Start the cycle timer after power-on;

2. The timer arrives and sends a signaling delay statistics request message to all the baseband boards. After receiving the message, each baseband board reports various statistics to the main control board, and the main control board repeats the number of times the wireless link is established. The number of radio link repetition increases, the number of radio link reconfiguration commit delays, and the number of radio link reconfiguration commit losses and the total number of dedicated signaling are respectively accumulated and counted;

3. Determine whether the signaling is delayed, delay, and report the delayed message to the network management.

The baseband board:

1. Receive the signaling delay request request message of the main control board, set the number of repetitions of the radio link establishment of the local board, the number of repetitions of the wireless link increase, the number of delays of the radio link reconfiguration submission, the number of times the radio link reconfiguration is submitted, and the dedicated number. The total number of signaling is reported to the main control board.

2. The number of repetitions of the wireless link establishment, the number of repetitions of the wireless link increase, the number of delays of the radio link reconfiguration submission, the number of radio link reconfiguration submission loss, and the total number of dedicated signaling are cleared to 0, and the next re-statistic is entered.

The network management:

If the main control board signaling delay report message is received, there is a delay notification on the output control plane signaling.

FIG. 4 is a flowchart of determining the signaling delay of the Iub interface according to the embodiment of the present invention. As shown in FIG. 4, after receiving the various statistical reports of the baseband board, the main control board includes:

1. Statistics establishment duplication, increase duplication, re-submission submission delay, re-delivery submission loss times, and total number of dedicated signaling;

2. Calculate the signaling loss rate;

Wherein, the signaling loss rate = (the number of times the radio link is repeatedly established + the number of radio link repetition increases + the number of radio link reconfiguration commit delays + the number of radio link reconfiguration commits lost / the total number of dedicated signaling);

3. Determine whether the signaling loss rate exceeds a specified threshold;

4. If yes, report the police to the network management, otherwise you will not report the police.

After the NMS receives the alarm information of the main control board, there is a delay notification on the output control plane signaling transmission. Otherwise, there is no need to report the alarm.

That is, first, the baseband board statistics radio link repetition establishment, radio link repetition increase, radio link reconfiguration commit delay times, radio link reconfiguration commit loss times, and total dedicated signaling received within a period of time frequency. Then, the main control board sets a timer, the timer arrives, and sends a signaling delay statistics request message to all the baseband boards. After receiving the message, each baseband board will count the statistics. Reported to the main control board, the main control board accumulates the repeated establishment of the wireless link, the repeated increase of the wireless link, the number of delays of the radio link reconfiguration submission, the number of lost radio link reconfiguration commits, and the total number of dedicated signaling times. . Then, the main control board determines whether the signaling delay or loss is too large according to an algorithm, satisfies the condition, reports the alarm to the network management, and sets the algorithm to the ratio of signaling loss (the number of repeated establishments of the wireless link plus the wireless link repetition increase) The number of times, together with the number of delays submitted by the radio link reconfiguration and the number of lost radio link resubmissions, divided by the total number of dedicated signaling times, sets the loss rate threshold, and the signaling loss rate is lower than the threshold. No alarm is required. Above the threshold, the alarm is reported. The baseband board clears the statistics after reporting to the main control board, so that the next statistics and the main control board reset the timer to prepare for the next statistics.

Example 1

After the main control board is powered:

1. Start cycle timer, 5 minutes per cycle;

2. The timer arrives and sends a signaling delay statistics request message to all the baseband boards. After receiving the message, each baseband board reports the statistical delay signaling statistical parameter information of the time period to the main control board, and the statistical signaling delay The statistical parameter information is as shown in Table 1, including the number of times the radio link is repeatedly established, the number of times the radio link is repeatedly increased, the number of radio link reconfiguration commit delays, the number of radio link reconfiguration commits, and the total number of dedicated signaling. The board accumulates the number of repeated establishments of the wireless link reported on each board, the number of times the radio link is repeatedly added, the number of radio link reconfiguration commit delays, the number of radio link reconfiguration commits, and the total number of dedicated signaling. counter.

Table 1: Statistical Table of Signaling Delay Parameters

统计的参数Statistical parameter
无线链路重复建立次数Wireless link repetition establishment times
无线链路重复增加次数Wireless link repetition increase
无线链路重配提交延迟次数Wireless link reconfiguration commit delay
无线链路重配提交丢失次数Wireless link reconfiguration commit loss
专用信令总次数Total number of dedicated signaling

3. The main control board reports a delay message to the network management.

The baseband board receives the signaling delay request message of the main control board:

1. Reporting the number of repetitions of the radio link establishment, the number of repetitions of the radio link, the number of delays of the retransmission of the radio link, the number of lost retransmission commits, and the total number of dedicated signaling to the main control board;

2. The number of repetitions of the radio link establishment, the number of repetitions of the radio link increase, the number of radio link reconfiguration commit delays, the number of radio link reconfiguration commits lost, and the total number of dedicated signaling are cleared, and the next re-statistic is entered.

If the NMS receives the signaling delay report message from the main control board, the output control plane signaling has a delay notification.

Example 2

After receiving the various statistical reports of the baseband board, the main control board:

1. Accumulating the number of repeated establishments, increasing repetitions, re-submission submission delays, re-delivery submissions, and total number of dedicated signalings reported on each baseband board;

2. Calculate the signaling loss rate, where the signaling loss rate is:

Signaling loss rate = (the number of radio link re-establishment times + the number of radio link re-increment times + the number of radio link reconfiguration commit delays + the number of radio link reconfiguration commits lost / the total number of dedicated signaling);

3. Set the signaling loss rate threshold to five thousandths. If the loss rate exceeds five thousandths, the alarm is reported to the network management system. The network management output control plane signaling transmission has a delay notification. Otherwise, the alarm is not reported.

According to the solution provided by the embodiment of the present invention, the number of repeated establishments of the radio link, the number of times of repeated repetition of the radio link, the delay or number of lost radio link resubmissions, the total number of dedicated signaling received, and the repetition will be repeated. The number of establishments, the number of repetitions, the number of retransmission delays, the number of retransmission commits, and the total number of dedicated signaling times during this period are obtained, and the signaling loss rate is obtained. The fixed ratio is five thousandths, and the signaling loss rate is less than five thousandths. No alarm is required. Above this value, the alarm is reported to the network management system, which can be very convenient. Whether the network KPI indicator caused by the Iub interface signaling delay or packet loss problem is degraded.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

Claims

A method for judging an Iub interface signaling interaction delay includes:

The main control board obtains signaling delay statistics information of the baseband board by sending signaling delay statistics request information to the baseband board.

The main control board performs statistical processing on the obtained signaling delay statistics of the baseband board, and obtains a signaling loss rate of the baseband board.

The main control board determines whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate according to the obtained signaling loss rate.
The determining method according to claim 1, further comprising:

When the main control board determines that there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate, the main control board sends an alarm message to the network management.
The determining method according to claim 1 or 2, wherein the signaling delay statistical information comprises:

The number of times the wireless link is repeatedly established;

The number of times the wireless link is repeated;

The number of delays submitted by the wireless link reconfiguration;

The number of lost links submitted by the wireless link;

The total number of dedicated signaling.
The judging method according to claim 3, wherein the main control board performs statistical processing on the acquired signaling delay statistical information of the baseband board, and the signaling loss rate of the baseband board is obtained by:

The main control board performs an accumulation calculation by repeating the number of times the wireless link is established, the number of times the wireless link is repeatedly increased, the number of delays submitted by the wireless link reconfiguration, and the number of lost data submitted by the wireless link reconfiguration. Obtaining the total number of radio link signaling delays;

The total number of times the main control board delays according to the obtained radio link signaling and the total dedicated signaling The number of times gives the signaling loss rate of the baseband board.
The judging method according to claim 4, wherein the main control board obtains the signaling loss rate of the baseband board according to the total number of radio link signaling delays and the total number of dedicated signalings, including:

Signaling loss rate = total number of radio link signaling delays / total number of dedicated signaling.
The determining method according to claim 4 or 5, wherein the main control board determines, according to the obtained signaling loss rate, whether there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate:

The main control board compares the obtained signaling loss rate with a preset signaling delay threshold;

If the signaling loss rate is greater than the preset signaling delay threshold, the main control board determines that there is an Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate;

If the signaling loss rate is not greater than the preset signaling delay threshold, the main control board determines that there is no Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.
A device for judging the interaction delay of the Iub interface, comprising:

Obtaining a signaling delay statistic information module, and setting the main control board to obtain signaling delay statistic information of the baseband board by sending signaling delay statistic request information to the baseband board;

Obtaining a signaling loss rate module, where the main control board is configured to perform statistical processing on the acquired signaling delay statistics of the baseband board, to obtain a signaling loss rate of the baseband board;

The signaling interaction delay judging module is configured to determine, according to the obtained signaling loss rate, whether the Iub interface signaling interaction delay that causes the network KPI indicator to deteriorate.
The determining device according to claim 7, further comprising:

The alarm module is configured to send an alarm message to the NMS when the Iub interface signaling delay of the network KPI indicator is deteriorated.
The determining device according to claim 7 or 8, wherein the signaling delay statistical information comprises:

The number of times the wireless link is repeatedly established;

The number of times the wireless link is repeated;

The number of delays submitted by the wireless link reconfiguration;

The number of lost links submitted by the wireless link;

The total number of dedicated signaling.
The determining device according to claim 9, wherein the acquiring a signaling loss rate module comprises:

a calculating unit, configured to: the number of times the primary control board repeats the establishment of the wireless link, the number of times the wireless link is repeatedly increased, the number of delays submitted by the wireless link reconfiguration, and the loss of the radio link reconfiguration submission The number of times is cumulatively calculated to obtain the total number of radio link signaling delays;

Obtaining a signaling loss rate unit, and setting a signaling loss rate of the baseband board according to the obtained total number of radio link signaling delays and the total number of dedicated signalings.