WO2018072465A1 - 一种语音业务切换方法和装置 - Google Patents
一种语音业务切换方法和装置 Download PDFInfo
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- WO2018072465A1 WO2018072465A1 PCT/CN2017/089148 CN2017089148W WO2018072465A1 WO 2018072465 A1 WO2018072465 A1 WO 2018072465A1 CN 2017089148 W CN2017089148 W CN 2017089148W WO 2018072465 A1 WO2018072465 A1 WO 2018072465A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
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- the present disclosure relates to the field of mobile communications, and in particular to a voice service switching method and apparatus.
- SRVCC Single Radio Voice Call Continuity
- VoLTE Voice over LTE, IP data transmission technology
- the terminal ensures voice call continuity when moving between the LTE/Pre-LTE network and the 2G/3G CS network, that is, guarantees smooth switching between the IMS-controlled VoIP voice and the CS domain voice by the single radio UE.
- the handover threshold configuration of the E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) configuration in the current region is slightly different. Some regional handover thresholds are too low, which causes the SRVCC to lag. In SRVCC Before the occurrence of the LTE (Long Term Evolution) network, the quality and efficiency of data transmission have been seriously degraded. As a result, users continue to hear the other party, and the voice quality of the voice is intermittently dropped. Even the terminal has already experienced LTE network. And dropped calls, and the voice service still has not switched to the 2G/3G CS network.
- LTE Long Term Evolution
- the switching threshold of some regional network configurations is -121dB.
- the signal demodulation of the terminal has become difficult, the packet loss rate is increased, and the call quality is already too poor.
- a better choice at this time is SRVCC cut into 2G. /3G cell, but because the signal measurement threshold is not met, the network cannot trigger the SRVCC process.
- the present disclosure provides a voice service switching method and apparatus, which are used to solve the problem that the quality of the call is poor and the handover quality to the WCDMA (Wideband Code Division Multiple Access) network is poor.
- WCDMA Wideband Code Division Multiple Access
- the disclosure provides a voice service switching method, where the method includes:
- determining whether the measured equivalent value satisfies the requirements for transmitting the measurement report includes:
- the measured value is used to replace the measured value
- the measurement report is sent to the network side to trigger SRVCC.
- obtaining the voice quality of the current VOLTE call includes:
- Determining the measured equivalent value of the LTE cell signal according to the voice quality including:
- the measurement equivalent is determined based on the degree of degradation of the voice quality and the duration of the voice quality degradation.
- obtaining the degree of degradation of the voice quality includes:
- the degree of degradation of the voice quality is determined by calculating the frequency of interruption of the sound and the frequency at which the user repeats the preset vocabulary.
- determining the measured equivalent value of the LTE cell signal according to the voice quality including:
- the measurement equal value of the LTE cell signal is determined by a preset voice quality and a measurement equivalent relationship.
- obtaining the voice quality of the current VOLTE call includes:
- the voice quality of the current VOLTE call is obtained.
- the method further includes:
- the measurement report is generated according to a big data voice quality distribution map acquired from the cloud.
- the method further includes:
- the GPS location, cell information, and SRVCC switching threshold of the terminal are uploaded to the cloud to form the big data voice quality distribution map.
- the present disclosure provides a voice service switching apparatus, the apparatus comprising:
- a determining module configured to determine a measured equivalent value of the LTE cell signal according to the voice quality
- the sending module is configured to determine whether the measured equivalent value satisfies the requirement of sending the measurement report, and if yes, send a measurement report to the network side to trigger the SRVCC.
- the sending module includes:
- a first determining unit configured to determine whether a difference between the measured equivalent value and the measured value of the LTE cell signal is less than a preset difference
- the method is configured to replace the measured value with the measured equivalent value if the determination is less than the preset difference value
- a second determining unit configured to determine whether the measured value is less than a preset SRVCC switching threshold
- the transmitting unit configured to transmit the measurement report to the network side to trigger the SRVCC if the determination is less than.
- the acquiring module is configured to obtain a voice quality degradation degree and a voice quality degradation duration of the current VOLTE call
- the determining module is configured to determine the measurement equivalent value according to the voice quality degradation degree and the voice quality degradation duration.
- the acquiring module is configured to determine the degree of degradation of the voice quality by calculating an interruption frequency of the sound and a frequency at which the user repeats the preset vocabulary.
- the determining module is configured to determine a measurement equivalent value of the LTE cell signal by using a preset voice quality and measurement equivalent value comparison table; or, by using a preset voice quality and a measurement equivalent value correspondence manner, The measured equivalent value of the LTE cell signal is determined.
- the obtaining module comprises:
- a third determining unit configured to determine whether the LTE cell signal quality is lower than a preset first threshold
- a fourth determining unit configured to determine whether the signal quality of the WCDMA cell is higher than a preset second threshold
- an acquiring unit configured to acquire a voice quality of the current VOLTE call if the LTE cell signal quality is lower than the preset first threshold, and the WCDMA cell signal quality is higher than the preset second threshold.
- the sending module is further configured to generate the measurement report according to the big data voice quality distribution map acquired from the cloud after determining whether the measurement equivalent value satisfies the requirement of transmitting the measurement report.
- the method further includes an uploading module, configured to upload the GPS location of the terminal, the cell information, and the SRVCC switching threshold to the cloud to form the big data voice quality distribution map.
- the present disclosure also provides a storage medium configured to store program code, the program code being configured to perform a voice service switching method according to any of the above embodiments.
- the present disclosure has the following beneficial effects: determining whether to send a measurement report according to the voice quality of the current VOLTE call, instead of determining whether to send a measurement report according to the measured value of the LTE cell signal, that is, in the case of poor signal quality,
- the measurement report solves the problem that the quality of the call is poor and the call quality is poor, and the call quality is poor, and the technical effect of effectively improving the user experience is achieved.
- FIG. 1 is a flowchart of a method for switching a voice service in an embodiment of the present disclosure
- FIG. 2 is a schematic structural diagram of a switching device in an embodiment of the present disclosure
- FIG. 3 is a flowchart of an optimized SRVCC method in an embodiment of the present disclosure
- FIG. 4 is a structural block diagram of a voice service switching apparatus in an embodiment of the present disclosure.
- the present disclosure provides a voice service switching method, which is described below with reference to the accompanying drawings and embodiments. Further details are disclosed in the public. It is understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to be limiting.
- the voice service switching method may include the following steps:
- Step 101 Acquire a voice quality of a current VOLTE call.
- the voice recognition technology can be used to judge the degree of voice quality degradation, which is the measurement of signal quality in the SRVCC process. The value is corrected.
- the measurement equal value may be determined according to a voice quality degradation degree and a voice quality degradation duration.
- the voice may be determined by calculating an interruption frequency of the voice and a frequency of the user repeating the preset vocabulary. The degree of quality degradation.
- the degree of decline in speech quality can be determined by calculating the frequency of interruption of the sound and the frequency at which the user repeats a specific vocabulary (for example, feeding...Hello...Hi), wherein the interruption frequency, the repetition frequency, and the degree of degradation of the speech quality are proportional,
- the degree of deterioration in speech quality can be expressed by a proportional coefficient a.
- the operation of obtaining the voice quality of the current VOLTE call may be triggered only when certain conditions are met, and may not be performed all the time, for example, when the LTE cell signal is poor and the WCDMA cell signal is good. Triggers an action to send a measurement report.
- it may be determined whether the LTE cell signal quality is lower than a preset first threshold; determining whether the WCDMA cell signal quality is higher than a preset second threshold; if the LTE cell signal quality is lower than the preset first And a threshold value, and the WCDMA cell signal quality is higher than the preset second threshold, and the voice quality of the current VOLTE call is obtained. In this way, the system load can be effectively reduced.
- Step 102 Determine a measurement equivalent value of the LTE cell signal according to the voice quality.
- the manner in which the equal value is measured by the voice quality is varied, as long as the detected voice quality can be reasonably matched with the value of the measurement, for example, it may be a preset comparison table, that is, by a preset The value comparison table of the voice quality and the measurement value determines the measurement equal value of the LTE cell signal; or the preset correspondence relationship manner, that is, the preset LTE cell signal is determined by the preset voice quality and the measurement equivalent value correspondence relationship. Measure equal value.
- the conversion mode may be a mapping table set according to an empirical value, or may be a linear relationship between voice call quality and LTE signal measurement.
- the conversion algorithm can also be an average algorithm for collecting data on the live network. In the current network, when the mobile phone reaches a certain level of voice quality multiple times, the LTE signal measurement value at the time is recorded to obtain an equivalent LTE measurement value.
- Step 103 Determine whether the measurement equivalent value satisfies the requirement of transmitting the measurement report, and if yes, send a measurement report to the network side to trigger handover to the WCDMA network.
- the measurement report may be generated according to the big data voice quality distribution map acquired from the cloud after determining whether the measurement equivalent value satisfies the requirement of transmitting the measurement report.
- each terminal may upload the GPS location of the terminal, the cell information, and the SRVCC switching threshold to the cloud to form the big data voice quality distribution map.
- the related SRVCC process may include the following steps:
- S1 The terminal successfully performs the IMS service registration, and the network sends the SRVCC handover threshold to the terminal.
- the terminal is establishing or has established a VoIP call on the LTE network, and the terminal detects whether the LTE cell and the 2G/3G CS cell signal quality meet the threshold (where the LTE cell signal is lower than the e-UTRAN threshold, and the 2G/3G CS cell is high) At the UTRAN threshold, if the duration is met and the specified length of time is reached, the measurement report is reported;
- the network After receiving the measurement report, the network establishes a 2G/3G CS domain voice bearer, triggers the SRVCC command, and the mobile phone switches to the 2G/3G cell, and the call or the call continues on the 2G/3G cell.
- the SRVCC instruction trigger depends on two factors:
- a call quality correction factor is introduced on the measurement report generation of the mobile phone RF signal measurement, and a measurement report is issued when the call quality is poor to accelerate the SRVCC process.
- the voice recognition technology can be used to judge the degree of voice quality degradation, which is the measurement of signal quality in the SRVCC process. The value is corrected.
- Each terminal can submit data such as GPS location, cell information, and handover threshold to the cloud, and the big data server in the cloud filters and calculates the data to form an accurate VoLTE voice quality distribution map, and the data is pushed to the terminal according to the real-time location information of the terminal.
- the terminal extracts big data to optimize the SRVCC handover process.
- a switching device is provided. As shown in FIG. 2, the following modules may be included:
- Module A call speech recognition real-time detection module
- module B measurement report correction value evaluation module
- module C LTE cell signal 3G/2G cell signal measurement module
- module D big data extraction comparison analysis module
- module E measurement report Generating module
- module F GPS location, cell information, switching threshold data submission module.
- the “Call Speech Recognition Real-Time Detection Module” identifies the degree of degradation of voice quality and the duration of voice quality degradation through voice recognition technology.
- the degree of degradation of the speech quality may be determined by calculating the frequency of the interruption of the sound and the frequency at which the user repeats the specific vocabulary (eg, feeding...Hello...Hi), and the frequency of the interruption, the repetition frequency, and the degree of degradation of the speech quality are proportional, thus
- the degree of deterioration in speech quality can be expressed by a proportional coefficient a.
- the measurement report correction value evaluation module may pre-implant the correspondence table between the voice quality and the evaluation measurement report signal value, for example, when the voice quality degradation degree is n%, and the voice quality degradation duration is m, the equivalent LTE cell signal quality is T.
- the correspondence in the table can be adjusted according to the actual experience value and the actual effect configuration.
- the equivalent LTE signal value is calculated, and an equivalent LTE signal measurement value is input to the "measurement report generation module" at a suitable timing.
- the measurement report correction value evaluation module determines that the terminal is currently in a weak region of the LTE signal, and the 3G/2G signal strong region is highly likely to have an SRVCC switchover. .
- the setting of the X value is lower than the threshold of the SRVCC e-UTRAN, and the setting of the Y value is lower than the threshold of the SRVCC UTRAN.
- the measurement report correction value evaluation module evaluates the equivalent LTE cell measurement signal value according to the voice quality degradation degree n% value and the voice quality degradation duration m value, and determines whether the equivalent value and the actual LTE cell measurement value are allowed. Within the alternative difference, if yes, the LTE cell signal 3G/2G cell signal measurement module is used to extract the input of the comparison analysis module to the big data;
- the big data extraction comparison analysis module extracts the cloud big data output to the measurement report generation module.
- the measurement report generation module analyzes and compares the measurement data.
- comparing the cloud big data if it is within a reasonable range, generating a more realistic measurement report to trigger the network to perform SRVCC switching.
- the GPS location, cell information, and handover threshold data submission module submit the measurement data to the cloud.
- the foregoing switching device may perform SRVCC optimization according to the method steps shown in FIG. 3:
- the voice call quality is monitored by the “call voice recognition real-time detection module”, wherein the voice call quality includes: the voice quality degradation degree and the voice quality degradation duration, and is periodically input to the “measurement report correction value evaluation module”. Index value.
- S2 Collect LTE cell signals and 3G/2G cell signals.
- the measurement result is periodically input to the "measurement report correction value evaluation module" by the "LTE cell signal 3G/2G cell signal measurement module".
- the “measurement report correction value evaluation module” starts to convert the call voice quality into an equivalent LTE cell signal measurement value, and calculates a difference from the actual LTE cell signal measurement value.
- S4 Evaluating an equivalent LTE signal reception value according to the RTP packet transmission rate and the packet loss rate.
- the “Measurement Report Correction Value Evaluation Module” has a configurable voice quality and LTE signal mapping table. The correspondence is set according to the empirical value. For example, in a certain area of the live network, the actual measured network signal of the terminal is -115dB. However, since the actual call experience of the user is very poor, the sound is intermittent, and the peer sound is often not heard, then the equivalent LTE signal received value according to the mapping table is -120 dB.
- S5 Determine whether the difference between the equivalent LTE signal received value and the actual measured value is in an alternative range.
- the difference between the received value of the LTE signal and the actual measured value may not be too large. Otherwise, excessive correction is formed, which is too far from the real situation. Therefore, the difference judgment needs to be performed, wherein the difference range can be configured.
- S6 Provide the LTE cell measurement equivalent value to the measurement report generation module, instead of the actual measurement value.
- the measurement report generation module compares the value of the LTE cell measurement with the SRVCC threshold.
- S7 Download the cloud big data and compare the measurement results. If it is within a reasonable range, the terminal sends a measurement report to the network.
- the “Measurement Report Correction Value Evaluation Module” has a built-in voice call quality and an equivalent LTE signal measurement value conversion system.
- the conversion method may be a mapping table set according to an empirical value, or may be a voice call quality and an LTE signal. Measuring the linear relationship conversion; it can also be the average algorithm for collecting data on the live network. In the current network, when the mobile phone reaches a certain level of voice quality multiple times, the LTE signal measurement value at the time is averaged to obtain an equivalent LTE measurement. value.
- a voice service switching apparatus is also provided in the embodiment of the present disclosure, as described in the following embodiments.
- the voice service switching device is similar to the voice service switching method.
- the term "unit” or “module” may implement a combination of software and/or hardware of a predetermined function.
- the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
- 4 is a structural block diagram of a voice service switching apparatus according to an embodiment of the present disclosure. As shown in FIG. 4, the method may include: an obtaining module 401, a determining module 402, and a sending module 403. The structure will be described below.
- the obtaining module 401 is configured to obtain the voice quality of the current VOLTE call.
- the determining module 402 is configured to determine a measured equivalent value of the LTE cell signal according to the voice quality
- the sending module 403 is configured to determine whether the measured equivalent value satisfies the requirement of sending the measurement report, if satisfied, Then, a measurement report is sent to the network side to trigger a handover to the WCDMA network.
- the sending module 403 may include: a first determining unit, configured to determine whether a difference between the measured equivalent value and the measured value of the LTE cell signal is less than a preset difference;
- the second determining unit is configured to determine whether the measured value is less than a preset SRVCC switching threshold, in a case that the determining is smaller than the preset difference, the second determining unit is configured to determine whether the measured value is less than a preset SRVCC switching threshold;
- the measurement report is sent to the network side to trigger SRVCC if it is set to be less than determined.
- the obtaining module 401 may be configured to obtain a voice quality degradation degree and a voice quality degradation duration of the current VOLTE call, and the determining module 402 may be configured to continue according to the voice quality degradation degree and the voice quality degradation. Time, determining the equivalent value of the measurement.
- the obtaining module 401 may be configured to determine the degree of degradation of the voice quality by calculating an interruption frequency of the sound and a frequency at which the user repeats the preset vocabulary.
- the determining module 402 may be configured to determine a measurement equivalent value of the LTE cell signal by using a preset voice quality and measurement equivalent value comparison table; or, by using a preset voice quality and a measurement equivalent value correspondence relationship Determine the measurement equivalent value of the LTE cell signal.
- the obtaining module 401 may include: a third determining unit, configured to determine whether the LTE cell signal quality is lower than a preset first threshold; and fourth determining unit, configured to determine whether the WCDMA cell signal quality is higher than a preset a second threshold; an acquiring unit, configured to acquire a current VOLTE call if the LTE cell signal quality is lower than the preset first threshold, and the WCDMA cell signal quality is higher than the preset second threshold Voice quality.
- the sending module 403 may be further configured to generate the measurement report according to the big data voice quality profile acquired from the cloud after determining whether the measured equivalent value satisfies the requirement of transmitting the measurement report.
- the voice service switching apparatus may further include an uploading module, configured to upload the GPS location, the cell information, and the SRVCC switching threshold of the terminal to the cloud to form the big data voice quality distribution map.
- a software is provided that is configured to perform the technical solutions described in the above embodiments and preferred embodiments.
- a storage medium is further provided, wherein the software includes the above-mentioned software, including but not limited to: an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.
- the embodiment of the present disclosure achieves the following technical effects: determining whether to send a measurement report according to the voice quality of the current VOLTE call, instead of determining whether to send a measurement report based only on the measured value of the LTE cell signal. That is, in the case of poor signal quality, the measurement report is initiated, thereby solving the problem that the quality of the call is poor and the call quality is poor, and the call quality is poor. Quality, the technical effect of improving the user experience.
- modules or steps of the above-described embodiments of the present disclosure may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed across 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 this
- the steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module.
- embodiments of the present disclosure are not limited to any specific combination of hardware and software.
- the voice service switching method and apparatus provided by the embodiments of the present disclosure solves the problem that the quality of the call is poor when the quality of the channel is poor and the WCDMA network is not switched.
- the poor problem has achieved the technical effect of effectively guaranteeing the quality of the call and improving the user experience.
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Abstract
本公开涉及了一种语音业务切换方法和装置,其中,该方法包括:获取当前VOLTE通话的语音质量;根据所述语音质量确定LTE小区信号的测量等价值;确定所述测量等价值是否满足发送测量报告的要求,如果满足,则向网络侧发送测量报告,以触发切换至WCDMA网络。本公开解决了相关技术中出现的通过质量已经很差也没有切换至WCDMA网络而导致通话质量较差的问题,达到了有效保证通话质量,提高用户体验的技术效果。图1
Description
本公开涉及移动通讯领域,特别是涉及语音业务切换方法和装置。
SRVCC(Single Radio Voice Call Continuity,单无线语音连续性方案)是3GPP提出的一种VoLTE(Voice over LTE,是一种IP数据传输技术)语音业务连续性方案,主要是为了在单射频UE(用户终端)在LTE/Pre-LTE网络和2G/3G CS网络之间移动时,保证语音呼叫连续性,即,保证单射频UE在IMS控制的VoIP语音和CS域语音之间的平滑切换。
然而,当前不同区域E-UTRAN(Evolved UMTS Terrestrial Radio Access Network,演进的UMTS陆地无线接入网)配置的切换门限配置是稍微有些差异的,有些区域切换门限太低会导致SRVCC发生滞后,在SRVCC发生之前终端在LTE(Long Term Evolution,长期演进)网络上数据传输质量和效率已经严重下降,从而导致用户持续听不清楚对方,语音断断续续的通话质量下降问题的发生,甚至终端已经发生了LTE网、掉话,而语音业务仍然没有切换至2G/3G CS网络。
例如,某些区域网络配置的切换门限-121dB,在-120dB时,终端的信号解调已经变的困难,丢包率上升,通话质量已经太差,其实这个时候更好的选择是SRVCC切入2G/3G小区,但是因为信号测量的门限值没有满足,网络不能触发SRVCC过程。
针对上述问题,目前尚未提出有效的解决方案。
发明内容
本公开提供一种语音业务切换方法和装置,用以解决相关技术中出现的通过质量已经很差也没有切换至WCDMA(Wideband Code Division Multiple Access,宽带码分多址)网络而导致通话质量较差的问题。
为解决上述技术问题,一方面,本公开提供一种语音业务切换方法,该方法包括:
获取当前VOLTE通话的语音质量;
根据所述语音质量确定LTE小区信号的测量等价值;
确定所述测量等价值是否满足发送测量报告的要求,如果满足,则向网络侧发送测量报告,以触发SRVCC。
在一实施例中,确定所述测量等价值是否满足发送测量报告的要求,包括:
确定所述测量等价值与所述LTE小区信号的实测值之间的差值是否小于预设差值;
如果小于所述预设差值,则用所述测量等价值取代所述实测值;
确定所述测量值是否小于预设的SRVCC切换门限;
如果小于,则向所述网络侧发送所述测量报告,以触发SRVCC。
在一实施例中,获取当前VOLTE通话的语音质量,包括:
获取当前VOLTE通话的语音质量下降程度和语音质量下降持续时间;
根据所述语音质量确定LTE小区信号的测量等价值,包括:
根据所述语音质量下降程度和所述语音质量下降持续时间,确定所述测量等价值。
在一实施例中,获取所述语音质量下降程度包括:
通过计算声音的中断频率和用户重复预设词汇的频率,确定所述语音质量下降程度。
在一实施例中,根据所述语音质量确定LTE小区信号的测量等价值,包括:
通过预设的语音质量与测量等价值对照表,确定LTE小区信号的测量等价值;
或者,通过预设的语音质量与测量等价值对应关系式,确定LTE小区信号的测量等价值。
在一实施例中,获取当前VOLTE通话的语音质量,包括:
确定LTE小区信号质量是否低于预设第一阈值;
确定WCDMA小区信号质量是否高于预设第二阈值;
如果所述LTE小区信号质量低于所述预设第一阈值,且所述WCDMA小区信号质量高于所述预设第二阈值,则获取当前VOLTE通话的语音质量。
在一实施例中,在确定所述测量等价值是否满足发送测量报告的要求之后,所述方法还包括:
根据从云端获取的大数据语音质量分布图,生成所述测量报告。
在一实施例中,所述方法还包括:
将终端的GPS位置、小区信息和SRVCC切换门限,上传至云端,以形成所述大数据语音质量分布图。
另一方面,本公开提供一种语音业务切换装置,该装置包括:
获取模块,设置为获取当前VOLTE通话的语音质量;
确定模块,设置为根据所述语音质量确定LTE小区信号的测量等价值;
发送模块,设置为确定所述测量等价值是否满足发送测量报告的要求,如果满足,则向网络侧发送测量报告,以触发SRVCC。
在一实施例中,所述发送模块包括:
第一确定单元,设置为确定所述测量等价值与所述LTE小区信号的实测值之间的差值是否小于预设差值;
取代模块,设置为在确定小于所述预设差值的情况下,用所述测量等价值取代所述实测值;
第二确定单元,设置为确定所述测量值是否小于预设的SRVCC切换门限;
发送单元,用设置为在确定小于的情况下,向所述网络侧发送所述测量报告,以触发SRVCC。
在一实施例中,所述获取模块,设置为获取当前VOLTE通话的语音质量下降程度和语音质量下降持续时间;
所述确定模块,设置为根据所述语音质量下降程度和所述语音质量下降持续时间,确定所述测量等价值。
在一实施例中,所述获取模块,设置为通过计算声音的中断频率和用户重复预设词汇的频率,确定所述语音质量下降程度。
在一实施例中,所述确定模块设置为通过预设的语音质量与测量等价值对照表,确定LTE小区信号的测量等价值;或者,通过预设的语音质量与测量等价值对应关系式,确定LTE小区信号的测量等价值。
在一实施例中,所述获取模块包括:
第三确定单元,设置为确定LTE小区信号质量是否低于预设第一阈值;
第四确定单元,设置为确定WCDMA小区信号质量是否高于预设第二阈值;
获取单元,设置为在所述LTE小区信号质量低于所述预设第一阈值,且所述WCDMA小区信号质量高于所述预设第二阈值的情况下,获取当前VOLTE通话的语音质量。
在一实施例中,所述发送模块还设置为在确定所述测量等价值是否满足发送测量报告的要求之后,根据从云端获取的大数据语音质量分布图,生成所述测量报告。
在一实施例中,还包括上传模块,设置为将终端的GPS位置、小区信息和SRVCC切换门限,上传至云端,以形成所述大数据语音质量分布图。
再一方面,本公开还提供一种存储介质,设置为存储程序代码,所述程序代码设置为执行如上任一实施例所述的语音业务切换方法。
本公开有益效果如下:根据当前VOLTE通话的语音质量,确定是否发送测量报告,而不是仅根据LTE小区信号的实测值确定是否需要发送测量报告,即,在信号质量很差的情况下,就发起测量报告,从而解决了相关技术中出现的通过质量已经很差也没有切换至WCDMA网络而导致通话质量较差的问题,达到了有效保证通话质量,提高用户体验的技术效果。
图1是本公开实施例中语音业务切换方法的一种方法流程图;
图2是本公开实施例中切换装置的结构示意图;
图3是本公开实施例中优化后的SRVCC方法流程图;
图4是本公开实施例中语音业务切换装置的一种结构框图。
为了解决相关技术出现的通过质量已经很差也没有切换至WCDMA网络而导致通话质量较差的问题,本公开提供了一种语音业务切换方法,以下结合附图以及实施例,对本
公开进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本公开,并不限定本公开。
如图1所示,该语音业务切换方法可以包括以下步骤:
步骤101:获取当前VOLTE通话的语音质量;
考虑到当通话质量严重下降时,有一些明显的语音特征,例如:声音断断续续,用户重复性呼叫,在本例中可以通过语音识别技术判断语音质量下降的程度,为SRVCC过程中信号质量的测量值进行修正。
可选地,可以根据语音质量下降程度和语音质量下降持续时间,确定所述测量等价值,在一个实施方式中,可以通过计算声音的中断频率和用户重复预设词汇的频率,确定所述语音质量下降程度。
例如:可以通过计算声音的中断频率和用户重复特定词汇(例如:喂…Hello…Hi)的频率确定出语音质量的下降程度,其中,中断频率、重复频率和语音质量下降程度呈正比关系,因此,可以通过正比系数a表示语音质量下降程度。
对于上述获取当前VOLTE通话的语音质量的操作,可以是在满足一定条件时候才触发的,而不需要一直进行,例如,可以是在LTE小区信号差,且WCDMA小区信号好的情况下,才会触发进行是否发送测量报告的操作。在一个实施方式中,可以确定LTE小区信号质量是否低于预设第一阈值;确定WCDMA小区信号质量是否高于预设第二阈值;如果所述LTE小区信号质量低于所述预设第一阈值,且所述WCDMA小区信号质量高于所述预设第二阈值,则获取当前VOLTE通话的语音质量。通过上述方式可以有效减少***负荷。
步骤102:根据所述语音质量确定LTE小区信号的测量等价值;
通过语音质量确定测量等价值的方式是多样的,只要能够实现检测到的语音质量与测量等价值的合理匹配的方式都可以,例如,可以是预设对照表的方式,即,通过预设的语音质量与测量等价值对照表,确定LTE小区信号的测量等价值;也可以是预设对应关系式的方式,即,通过预设的语音质量与测量等价值对应关系式,确定LTE小区信号的测量等价值。
然而上述所列举的几种方式仅是一种示意性描述,还可以采用其它的方式,例如:转换方式可以是根据经验值设定的映射表,也可以是语音通话质量和LTE信号测量线性关系的换算;也可以是现网采集数据的平均算法,即现网中,手机多次达到某个程度的语音质量时,记录当时的LTE信号测量值求平均得出等价的LTE测量值。也可以是取最优算法,即现网中,手机多次达到某个程度的语音质量时,记录当时的LTE信号测量值选取最差的LTE信号测量值作为等价的LTE测量值,具体的确定方式本申请不作限定,可以根据实际情况选择。
步骤103:确定所述测量等价值是否满足发送测量报告的要求,如果满足,则向网络侧发送测量报告,以触发切换至WCDMA网络。
可选地,可以确定测量等价值与所述LTE小区信号的实测值之间的差值是否小于预设差值;如果小于所述预设差值,则用所述测量等价值取代所述实测值;确定所述测量值是否小于预设的SRVCC切换门限;如果小于,则向所述网络侧发送所述测量报告,以触发切换至WCDMA网络。
为了基于大数据分析,以优化SRVCC切换过程,可以在确定所述测量等价值是否满足发送测量报告的要求之后,根据从云端获取的大数据语音质量分布图,生成所述测量报告。可选地,可以各终端都将终端的GPS位置、小区信息和SRVCC切换门限,上传至云端,以形成所述大数据语音质量分布图。
下面结合一个具体实施例对上述语音业务切换方法进行说明,然而值得注意的是,该具体实施例仅是为了更好地说明本公开,并不构成对本公开的不当限定。
下面对相关的SRVCC过程说明如下,相关的SRVCC过程可以包括以下步骤:
S1:终端成功进行了IMS服务注册,网络向终端下发SRVCC切换门限;
S2:终端在LTE网络上正在建立或已建立了VoIP通话,终端检测LTE小区和2G/3G CS小区信号质量是否满足门限(其中,LTE小区信号低于e-UTRAN门限,2G/3G CS小区高于UTRAN门限),如果持续满足并达到规定时长,则上报测量报告;
S3:网络收到测量报告后,建立2G/3G CS域语音承载,触发SRVCC指令,手机切换到2G/3G小区,呼叫或通话继续在2G/3G小区上进行。
由此可见,SRVCC指令触发取决于两个因素:
1)网络下发的SRVCC切换门限;
2)信号质量的测量结果。
在本例中,在手机射频信号测量的测量报告生成上引入了通话质量修正因子,当通话质量很差时即发出测量报告,以加速SRVCC过程。
考虑到当通话质量严重下降时,有一些明显的语音特征,例如:声音断断续续,用户重复性呼叫,在本例中可以通过语音识别技术判断语音质量下降的程度,为SRVCC过程中信号质量的测量值进行修正。
各终端可以将GPS位置、小区信息、切换门限等数据提交至云端,云端的大数据服务器对数据进行筛选计算,形成精确的VoLTE语音质量分布地图,该数据根据终端实时定位情况信息推送到终端,终端提取大数据优化SRVCC切换过程。
本例中提供了一种切换装置,如图2所示,可以包括以下几个模块:
模块A:通话语音识别实时检测模块、模块B:测量报告修正值评估模块、模块C:LTE小区信号3G/2G小区信号测量模块、模块D:大数据提取比对分析模块、模块E:测量报告生成模块、模块F:GPS位置、小区信息、切换门限数据提交模块。
下面对上述几个模块执行的功能说明如下:
1)“通话语音识别实时检测模块”通过语音识别技术,识别出语音质量下降程度,和语音质量下降持续时间。
可选地,可以通过计算声音的中断频率和用户重复特定词汇(例如:喂…Hello…Hi)的频率确定出语音质量的下降程度,中断频率、重复频率和语音质量下降程度呈正比关系,因此,可以通过正比系数a表示语音质量下降程度。
2)“通话语音识别实时检测模块”将语音质量下降程度和语音质量下降持续时间定时地输入到“测量报告修正值评估模块”,同时“LTE小区信号3G/2G小区信号测量模块”也将测量结果输入到“测量报告修正值评估模块”,“测量报告修正值评估模块”还将获得SRVCC切换门限值;
测量报告修正值评估模块可以预先植入语音质量与评估测量报告信号值对应表,例如:语音质量下降程度为n%,语音质量下降持续时间为m时,可等同的LTE小区信号质量为T。其中该表中的对应关系可以根据实际经验值和实际效果配置调节。计算等价的LTE信号值,判定合适时机向“测量报告生成模块”输入等价的LTE信号测量值。
当LTE小区信号质量低于X值,3G/2G小区信号质量高于Y值时,测量报告修正值评估模块判断终端当前处于LTE信号弱区域,3G/2G信号强区域,极有可能发生SRVCC切换。
其中,X值的设定低于SRVCC e-UTRAN门限,Y值的设定低于SRVCC UTRAN门限。
此时,测量报告修正值评估模块根据语音质量下降程度n%值和语音质量下降持续时间m值,评估出等价的LTE小区测量信号值,判断等价值是否和实际的LTE小区测量值在允许替代的差值之内,如果是,则取代LTE小区信号3G/2G小区信号测量模块向大数据提取比对分析模块的输入;
3)大数据提取比对分析模块提取云端大数据输出给测量报告生成模块。
4)测量报告生成模块对本次测量数据进行分析比对。
可选地,比对云端大数据,如果在合理范围内,则生成更符合实际情况的测量报告,以触发网络进行SRVCC切换。
5)GPS位置、小区信息、切换门限数据提交模块将本次测量数据提交至云端。
通过上述方式,考虑了语音通话质量,提升了用户体验。
可选地,上述切换装置可以按照如图3所示的方法步骤进行SRVCC优化:
S1:通过语音识别模块收集语音质量下降程度和下降持续时间。
当VOLTE通话进行时,由“通话语音识别实时检测模块”监测语音通话质量,其中,语音通话质量包括:语音质量下降程度和语音质量下降持续时间,并向“测量报告修正值评估模块”定期输入指标值。
S2:收集LTE小区信号和3G/2G小区信号。
当VOLTE通话进行时,由“LTE小区信号3G/2G小区信号测量模块”定期将测量结果输入到“测量报告修正值评估模块”。
S3:判断终端是否处于SRVCC易发生状态。
当终端处于VOLTE通话中,且当前LTE小区信号较弱(例如:RSRP低于-110dB)而WCDMA小区信号较强(例如:RSCP高于-90dB),并且网络已经下发了SRVCC切换门限,这表示终端此时极易发生SRVCC切换,只在等待测量结果满足切换条件。此时“测量报告修正值评估模块”开始将通话语音质量换算成等价的LTE小区信号测量值,并与实际的LTE小区信号测量值计算差值。
S4:根据RTP数据包传输率和丢包率评估出等价的LTE信号接收值。
“测量报告修正值评估模块”内置一个可配置的语音质量与LTE信号映射表,按照经验值设定对应关系,举例来说,在现网中某个区域,终端实际测量的网络信号是-115dB,但是由于用户实际的通话感受很差,声音断续,经常听不到对端声音,那么此时根据映射表得出的等价LTE信号接收值是-120dB。
S5:判断等价的LTE信号接收值与实际测量值的差值是否在可替换范围。
等价的LTE信号接收值和实际的测量值的差值不可以太大,否则形成过度修正,偏离真实情况太远,因此需要进行差值判断,其中,该差值范围可以配置。
S6:向测量报告生成模块提供LTE小区测量等价值,取代实际测量值。
测量报告生成模块使用LTE小区测量等价值与SRVCC门限值进行比较。
S7:下载云端大数据,对本次测量结果进行比对,如果在合理范围内,则终端向网络发送测量报告。
S8:提交本次测量数据,GPS、小区信息给云端。
在上例中,“测量报告修正值评估模块”内置语音通话质量和等价的LTE信号测量值转换体系,转换方式可以是根据经验值设定的映射表,也可以是语音通话质量和LTE信号测量线性关系的换算;也可以是现网采集数据的平均算法,即现网中,手机多次达到某个程度的语音质量时,记录当时的LTE信号测量值求平均得出等价的LTE测量值。也可以是取最优算法,即现网中,手机多次达到某个程度的语音质量时,记录当时的LTE信号测量值选取最差的LTE信号测量值作为等价的LTE测量值,具体的确定方式本申请不作限定,可以根据实际情况选择。
基于同一发明构思,本公开实施例中还提供了一种语音业务切换装置,如下面的实施例所述。由于语音业务切换装置解决问题的原理与语音业务切换方法相似,因此语音业务切换装置的实施可以参见语音业务切换方法的实施,重复之处不再赘述。以下所使用的,术语“单元”或者“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现,但是硬件,或者软件和硬件的组合的实现也是可能并被构想的。图4是本公开实施例的语音业务切换装置的一种结构框图,如图4所示,可以包括:获取模块401、确定模块402和发送模块403,下面对该结构进行说明。
获取模块401,设置为获取当前VOLTE通话的语音质量;
确定模块402,设置为根据所述语音质量确定LTE小区信号的测量等价值;
发送模块403,设置为确定所述测量等价值是否满足发送测量报告的要求,如果满足,
则向网络侧发送测量报告,以触发切换至WCDMA网络。
在一个实施方式中,发送模块403可以包括:第一确定单元,设置为确定所述测量等价值与所述LTE小区信号的实测值之间的差值是否小于预设差值;取代模块,设置为在确定小于所述预设差值的情况下,用所述测量等价值取代所述实测值;第二确定单元,设置为确定所述测量值是否小于预设的SRVCC切换门限;发送单元,用设置为在确定小于的情况下,向所述网络侧发送所述测量报告,以触发SRVCC。
在一个实施方式中,获取模块401,可以设置为获取当前VOLTE通话的语音质量下降程度和语音质量下降持续时间;确定模块402,可以设置为根据所述语音质量下降程度和所述语音质量下降持续时间,确定所述测量等价值。
在一个实施方式中,获取模块401,可以设置为通过计算声音的中断频率和用户重复预设词汇的频率,确定所述语音质量下降程度。
在一个实施方式中,确定模块402,可以设置为通过预设的语音质量与测量等价值对照表,确定LTE小区信号的测量等价值;或者,通过预设的语音质量与测量等价值对应关系式,确定LTE小区信号的测量等价值。
在一个实施方式中,获取模块401可以包括:第三确定单元,设置为确定LTE小区信号质量是否低于预设第一阈值;第四确定单元,设置为确定WCDMA小区信号质量是否高于预设第二阈值;获取单元,设置为在所述LTE小区信号质量低于所述预设第一阈值,且所述WCDMA小区信号质量高于所述预设第二阈值的情况下,获取当前VOLTE通话的语音质量。
在一个实施方式中,发送模块403还可以设置为在确定所述测量等价值是否满足发送测量报告的要求之后,根据从云端获取的大数据语音质量分布图,生成所述测量报告。
在一个实施方式中,上述语音业务切换装置还可以包括上传模块,设置为将终端的GPS位置、小区信息和SRVCC切换门限,上传至云端,以形成所述大数据语音质量分布图。
在另外一个实施例中,还提供了一种软件,该软件设置为执行上述实施例及优选实施方式中描述的技术方案。
在另外一个实施例中,还提供了一种存储介质,该存储介质中存储有上述软件,该存储介质包括但不限于:光盘、软盘、硬盘、可擦写存储器等。
从以上的描述中,可以看出,本公开实施例实现了如下技术效果:根据当前VOLTE通话的语音质量,确定是否发送测量报告,而不是仅根据LTE小区信号的实测值确定是否需要发送测量报告,即,在信号质量很差的情况下,就发起测量报告,从而解决了相关技术中出现的通过质量已经很差也没有切换至WCDMA网络而导致通话质量较差的问题,达到了有效保证通话质量,提高用户体验的技术效果。
显然,本领域的技术人员应该明白,上述的本公开实施例的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组
成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,并且在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本公开实施例不限制于任何特定的硬件和软件结合。
尽管为示例目的,已经公开了本公开的优选实施例,本领域的技术人员将意识到各种改进、增加和取代也是可能的,因此,本公开的范围应当不限于上述实施例。
本公开实施例提供的语音业务切换方法和装置,通过在信号质量很差的情况下发起测量报告,从而解决了相关技术中出现的通过质量已经很差也没有切换至WCDMA网络而导致通话质量较差的问题,达到了有效保证通话质量,提高用户体验的技术效果。
Claims (17)
- 一种语音业务切换方法,包括:获取当前VOLTE通话的语音质量;根据所述语音质量确定LTE小区信号的测量等价值;确定所述测量等价值是否满足发送测量报告的要求,如果满足,则向网络侧发送测量报告,以触发切换至WCDMA网络。
- 根据权利要求1所述的方法,其中,确定所述测量等价值是否满足发送测量报告的要求,包括:确定所述测量等价值与所述LTE小区信号的实测值之间的差值是否小于预设差值;如果小于所述预设差值,则用所述测量等价值取代所述实测值;确定所述测量值是否小于预设的SRVCC切换门限;如果小于,则向所述网络侧发送所述测量报告,以触发切换至WCDMA网络。
- 根据权利要求1所述的方法,其中:获取当前VOLTE通话的语音质量,包括:获取当前VOLTE通话的语音质量下降程度和语音质量下降持续时间;根据所述语音质量确定LTE小区信号的测量等价值,包括:根据所述语音质量下降程度和所述语音质量下降持续时间,确定所述测量等价值。
- 根据权利要求3所述的方法,其中,获取所述语音质量下降程度包括:通过计算声音的中断频率和用户重复预设词汇的频率,确定所述语音质量下降程度。
- 根据权利要求1所述的方法,其中,根据所述语音质量确定LTE小区信号的测量等价值,包括:通过预设的语音质量与测量等价值对照表,确定LTE小区信号的测量等价值;或者,通过预设的语音质量与测量等价值对应关系式,确定LTE小区信号的测量等价值。
- 根据权利要求1至5中任一项所述的方法,其中,获取当前VOLTE通话的语音质量,包括:确定LTE小区信号质量是否低于预设第一阈值;确定WCDMA小区信号质量是否高于预设第二阈值;如果所述LTE小区信号质量低于所述预设第一阈值,且所述WCDMA小区信号质量高于所述预设第二阈值,则获取当前VOLTE通话的语音质量。
- 根据权利要求1至5中任一项所述的方法,其中,在确定所述测量等价值是否满足发送测量报告的要求之后,所述方法还包括:根据从云端获取的大数据语音质量分布图,生成所述测量报告。
- 根据权利要求7所述的方法,其中,所述方法还包括:将终端的GPS位置、小区信息和SRVCC切换门限,上传至云端,以形成所述大数据语音质量分布图。
- 一种语音业务切换装置,包括:获取模块,设置为获取当前VOLTE通话的语音质量;确定模块,设置为根据所述语音质量确定LTE小区信号的测量等价值;发送模块,设置为确定所述测量等价值是否满足发送测量报告的要求,如果满足,则向网络侧发送测量报告,以触发切换至WCDMA网络。
- 根据权利要求9所述的装置,其中,所述发送模块包括:第一确定单元,设置为确定所述测量等价值与所述LTE小区信号的实测值之间的差值是否小于预设差值;取代模块,设置为在确定小于所述预设差值的情况下,用所述测量等价值取代所述实测值;第二确定单元,设置为确定所述测量值是否小于预设的SRVCC切换门限;发送单元,设置为在确定小于的情况下,向所述网络侧发送所述测量报告,以触发SRVCC。
- 根据权利要求9所述的装置,其中:所述获取模块,设置为获取当前VOLTE通话的语音质量下降程度和语音质量下降持续时间;所述确定模块,设置为根据所述语音质量下降程度和所述语音质量下降持续时间,确定所述测量等价值。
- 根据权利要求11所述的装置,其中,所述获取模块,设置为通过计算声音的中断频率和用户重复预设词汇的频率,确定所述语音质量下降程度。
- 根据权利要求9所述的装置,其中,所述确定模块设置为通过预设的语音质量与测量等价值对照表,确定LTE小区信号的测量等价值;或者,通过预设的语音质量与测量等价值对应关系式,确定LTE小区信号的测量等价值。
- 根据权利要求9至13中任一项所述的装置,其中,所述获取模块包括:第三确定单元,设置为确定LTE小区信号质量是否低于预设第一阈值;第四确定单元,设置为确定WCDMA小区信号质量是否高于预设第二阈值;获取单元,设置为在所述LTE小区信号质量低于所述预设第一阈值,且所述WCDMA小区信号质量高于所述预设第二阈值的情况下,获取当前VOLTE通话的语音质量。
- 根据权利要求9至13中任一项所述的装置,其中,所述发送模块还设置为在确定所述测量等价值是否满足发送测量报告的要求之后,根据从云端获取的大数据语音质量分布图,生成所述测量报告。
- 根据权利要求15所述的装置,其中,还包括上传模块,设置为将终端的GPS位置、小区信息和SRVCC切换门限,上传至云端,以形成所述大数据语音质量分布图。
- 一种存储介质,设置为存储程序代码,所述程序代码设置为执行权利要求1至8中任一项所述的语音业务切换方法。
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