CN108243464B - VoLTE service shunting processing method and device - Google Patents
VoLTE service shunting processing method and device Download PDFInfo
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- CN108243464B CN108243464B CN201611228069.5A CN201611228069A CN108243464B CN 108243464 B CN108243464 B CN 108243464B CN 201611228069 A CN201611228069 A CN 201611228069A CN 108243464 B CN108243464 B CN 108243464B
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Abstract
The invention relates to a VoLTE service shunting processing method and a device, wherein the method comprises the following steps: detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell; and if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process. According to the VoLTE service distribution processing method and device, the newly added VoLTE service in the current LTE cell is returned to the 2G/3G network by starting the CSFB falling process, so that the wireless resources of the 2G/3G network can be fully utilized, the LTE network load can be quickly and effectively balanced, and the requirement of the bandwidth resources of the user data service is met.
Description
Technical Field
The invention relates to the technical field of communication services, in particular to a VoLTE service shunting processing method and device.
Background
As LTE networks become mature, VoLTE services have been fully commercialized in china mobile. VoLTE is a technical solution for carrying voice over LTE networks, and is also the final target of the voice solution during LTE. Specifically, a radio bearer for voice is provided by the LTE network, management of the bearer is provided by the EPC, and service management for voice is provided by the IMS domain. In LTE coverage, IMS-based voice services may be provided over LTE networks.
In some special places (such as large concerts and stadiums), the number of the users activated by the LTE is large, although the voice service of the VoLTE is preferentially accessed to the 4G network, the interference in the network is serious, the VoLTE service is lost, and a large amount of wireless resources are occupied, especially under the condition that the uplink capacity of the TD-LTE network is insufficient, the preferential access of the VoLTE brings more serious influence on the uplink bandwidth resource consumption, so that the data service of the 4G user is insufficient in bandwidth resources, the perception of the data user is very poor, and the 23G channel resources are relatively idle but are not fully used.
In order to ensure the continuity of voice service during a call, the SRVCC/eSRVCC procedure is usually initiated when the LTE signal is weakened, and the VoLTE voice service is switched to the 2G/3G network. The existing SRVCC handover is based on coverage handover, that is, when a terminal is making a VoLTE call, an eNodeB requests the terminal to report a measurement report, and when the signal strength/quality of LTE is lower than a predetermined threshold, the eNodeB initiates a handover request to an 2/3G cell to an MME, which may adjust the handover threshold to trigger load balancing between the LTE network and the 2G/3G network.
However, in the process of implementing the embodiment of the present invention, the inventor finds that the existing method for switching VoLTE voice service through SRVCC has the defects of unbalanced load and slow switching speed.
Disclosure of Invention
Aiming at the defects of unbalanced load and low switching speed of the existing method for switching VoLTE voice service through SRVCC, the invention provides the following technical scheme:
one aspect of the present invention provides a method for processing a VoLTE service offload, including:
detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
and if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process.
Optionally, the detecting a maximum number of activated users and a number of voice users over VoLTE in the current LTE cell includes:
and judging whether the current LTE cell supports the shunting processing of the VoLTE service or not, and executing the operation of detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell when judging that the current LTE cell supports the shunting processing of the VoLTE service.
Optionally, the detecting a maximum number of activated users and a number of voice users over VoLTE in the current LTE cell includes:
and detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell according to a preset period.
Optionally, the method further comprises:
if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, determining that the current LTE cell is in a high-load state;
and when judging that the duration time of the current LTE cell in the high load state exceeds the duration time threshold, executing the operation of dropping the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting a CSFB dropping process.
Optionally, the method further comprises:
and determining the threshold value of the number of the activated users according to the average page download rate of the current LTE cell.
Optionally, the method further comprises:
and determining the threshold of the number of VoLTE voice users according to the packet loss rate of the VoLTE voice service and the proportion that the average subjective opinion score MOS is greater than 3.0.
On the other hand, the invention also provides a device for processing the split flow of the VoLTE service, which comprises:
the data detection unit is used for detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
and the shunt processing unit is used for dropping the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting a CSFB dropping process when the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users.
Optionally, the data detection unit is specifically configured to determine whether the current LTE cell supports offloading processing of a VoLTE service, so as to execute an operation of detecting the maximum number of activated users and the number of voice users of VoLTE in the current LTE cell when it is determined that the current LTE cell supports offloading processing of the VoLTE service.
Optionally, the apparatus comprises:
and the activated user number threshold determining unit is used for determining the activated user number threshold according to the average page download rate of the current LTE cell.
Optionally, the apparatus comprises:
and the voice user number threshold determining unit is used for determining the VoLTE voice user number threshold according to the packet loss rate of the VoLTE voice service and the proportion that the average subjective opinion score MOS is greater than 3.0.
According to the VoLTE service distribution processing method and device, the maximum activation user number and the VoLTE voice user number in the current LTE cell are detected, and when the maximum activation user number is judged and obtained to be larger than the activation user number threshold value or the VoLTE voice user number is judged and obtained to be larger than the VoLTE voice user number threshold value, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting the CSFB falling process, so that the 2G/3G network wireless resources can be fully utilized, the LTE network load can be balanced quickly and effectively, and the requirement of user data service bandwidth resources is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow diagram of a VoLTE service offloading processing method according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a relationship between a page download rate and a maximum number of active users according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a relationship between an RTP packet loss rate and a ratio of MOS greater than 3.0 and a number of VoLTE voice users according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a VoLTE service offloading processing method according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a VoLTE service offloading processing apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device for implementing a VoLTE service offloading processing method according to an embodiment of the present invention.
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 described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present 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.
Fig. 1 is a schematic flow diagram of a VoLTE service offloading processing method according to an embodiment of the present invention, and as shown in fig. 1, the method includes:
s1: detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
specifically, the base station eNodeB of the current LTE cell measures the maximum number of active users and the number of VOLTE voice users of the current LTE cell at a preset period (for example, at a period of every second).
As an optional implementation manner of this embodiment, the detecting the maximum number of activated users and the number of voice users in VoLTE in the current LTE cell in step S1 may include:
and judging whether the current LTE cell supports the shunting processing of the VoLTE service or not, and executing the operation of detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell when judging that the current LTE cell supports the shunting processing of the VoLTE service.
For example, if the eNodeB detects that the highload volteswitch set on the base station is in an on state under high network load, it determines that the current LTE cell supports the VoLTE service offloading processing method of this embodiment, and further detects the maximum number of active users and the number of VoLTE voice users in the current LTE cell according to the preset period.
S2: and if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process.
Specifically, if the eNodeB determines that the maximum number of active users is greater than an active user number threshold (e.g., 250), or determines that the number of VoLTE voice users is greater than a VoLTE voice user number threshold (e.g., 120), the eNodeB drops the newly added VoLTE service in the current LTE cell back to the 2G/3G network by starting a CSFB fallback procedure.
For example, the eNodeB drops back the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting a CSFB drop-back procedure, including:
the eNodeB starts to convert a newly added call of VoLTE into a CSFB call, a default bearer RELEASE process is started by starting QCI (quaternary ammonium interface) 5, and a dropped 2G/3G network system and a base station frequency point are issued to a terminal corresponding to the newly added call through a radio resource control protocol CONNECTION RELEASE (RRC CONNECTION RELEASE) message after the RELEASE is successful, so that the terminal can perform voice service calling on the 2G/3G network by starting the CSFB drop process.
According to the VoLTE service distribution processing method, the maximum activation user number and the VoLTE voice user number in the current LTE cell are detected, and when the maximum activation user number is judged to be larger than the activation user number threshold value or the VoLTE voice user number is judged to be larger than the VoLTE voice user number threshold value, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting the CSFB falling process, so that the wireless resources of the 2G/3G network can be fully utilized, the LTE network load can be balanced quickly and effectively, and the requirement of the bandwidth resources of the user data service can be met.
Further, as an optional implementation manner of the foregoing method embodiment, the method may further include:
if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, determining that the current LTE cell is in a high-load state;
and when judging that the duration time of the current LTE cell in the high load state exceeds the duration time threshold, executing the operation of dropping the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting a CSFB dropping process.
Specifically, if the eNodeB determines that the maximum number of active users is greater than an active user number threshold, or the eNodeB determines that the number of VoLTE voice users is greater than a VoLTE voice user number threshold, the eNodeB determines that the current LTE cell is in a high load state; furthermore, when the eNodeB determines that the duration of the current LTE cell in the high load state exceeds a duration threshold (for example, 5s), the eNodeB drops the newly added VoLTE service in the current LTE cell back to the 2G/3G network by starting a CSFB fallback procedure.
It can be understood that, by setting the duration threshold value of the current LTE cell in the high load state, when it is judged and learned that the duration of the current LTE cell in the high load state exceeds the duration threshold value, the operation of dropping the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting the CSFB drop-back procedure is executed, so that the accuracy of the VoLTE service distribution can be improved, and the quality of service data transmission is prevented from being affected by frequently switching networks.
Further, as an optional implementation manner of the foregoing method embodiment, the method may further include:
and determining the threshold value of the number of the activated users according to the average page download rate of the current LTE cell.
Specifically, the inventor finds that, in the process of implementing the embodiment of the present invention, the LTE cell user perception is closely related to the maximum number of active users in the cell. The network browsing service is used as the service with the highest user penetration rate, and the service perception experience of the user is directly influenced by the downloading rate of the network page.
By extracting the cell-level page downloading rate from the SEQ platform and analyzing the relational expression between the maximum activated user number and the cell page downloading rate, the result shows that the inverse proportional relation is presented between the cell page downloading rate and the maximum activated user number, namely, the page downloading rate is presented with a descending trend along with the increase of the maximum activated user number. Specifically, fig. 2 is a schematic diagram illustrating a relationship between a page download rate and a maximum number of active users according to an embodiment of the present invention. As shown in fig. 2, when the maximum number of active users reaches 200- > 300, the average page download rate of the cell is close to 500kbps, and at this time, the service perception of the data user is relatively poor, and problems such as slow web page opening, unsmooth web page swiping, video blockage and the like occur, so that the maximum number of active users of the cell is used as one of thresholds for switching the new VoLTE call to the CSFB call.
Further, as an optional implementation manner of the foregoing method embodiment, the method may further include:
and determining the threshold of the number of VoLTE voice users according to the packet loss rate of the VoLTE voice service and the proportion that the average subjective opinion score MOS is greater than 3.0.
Specifically, by connecting 300 parts of 4G terminals to an LTE network of a current cell, the 300 parts of terminals are in a dispersed and uniform distribution in the current cell, and performing a speech number concurrency test in a large traffic scene finds that when the number of voice users reaches 110, due to increased network load and interference, a VoLTE voice service starts to lose packets, and at this time, an MOS is greater than 3.0 and a percentage is lower than 95%; when the number of voice users reaches 130, the packet loss of the VoLTE voice service is serious, the MOS is larger than 3.0 and the proportion is lower than 82%, the perception of the VoLTE voice user in the cell is poor, the downloading rate of the residual data service users is lower than 500kbps, and the perception of the data service is obviously poor. Therefore, the number of VoLTE users in the cell can be used as one of the thresholds for starting the new VoLTE call and switching the new VoLTE call to the CSFB call based on the test result.
The following is a description of a specific embodiment, but is not intended to limit the scope of the invention.
Fig. 4 is a schematic flow diagram of a VoLTE service offloading processing method according to another embodiment of the present invention, and as shown in fig. 4, the method includes:
a1: when a new VoLTE call service is established by a VoLTE user terminal, the eNodeB analyzes that the QCI is 1 bearing, namely the new call service is the VoLTE service;
a2: the eNodeB detects the state of a HighLoadVoLTESwitch switch (a VoLTE service shunt switch under high network load), if the state of the HighLoadVoLTESwitch is 'ON', the following steps are continued, otherwise, voice communication is carried out according to a VoLTE service call flow;
a3: the eNodeB acquires the maximum number of activated users of a cell and the number of VoLTE voice users of the cell, if the number of the activated users of the cell is larger than a high LoadVoLTESwitchUserNumThd (threshold of the number of the activated users of VoLTE service distribution under high network load), or if the number of the VoLTE users under the cell is larger than the high LoadVoLTESwitchVoLTEUserNumThd (threshold of the number of the VoLTE activated users of the VoLTE service distribution under high network load); if the network high load indication mark NetworkHighLoadFlag is YES, converting the VoLTE new call into a CSFB call, otherwise, carrying out voice communication according to a VoLTE service call flow;
a4: and the eNodeB starts a QCI (quaternary clock identifier) 5 default bearer RELEASE process, issues the dropped 2G/3G network system and the 2G/3G network base station frequency point to a terminal corresponding to the newly added call through an RRC CONNECTION RELEASE message after the RELEASE is successful, and starts a CSFB drop process so that the user can carry out voice service call on the 2G/3G network.
According to the VoLTE service distribution processing method, the VoLTE service distribution judgment threshold under the high load of the network is determined through the correlation analysis of the page download rate, the maximum activated user of a cell, the VoLTE user number and the packet loss rate under the large-traffic scene and the MOS value larger than the 3.0 proportion change trend, and the VoLTE service distribution flow based on the high load of the network is designed, so that the VoLTE service distribution processing method can be applied to the multi-user scene in a large-scale place, can ensure the voice access and the data service bandwidth requirements under the condition of concurrent services of a large number of LTE users, can more quickly and more accurately drop the VoLTE voice service to a 2G/3G network compared with the prior art, can realize the sharing of the 4G network load by utilizing idle 2G/3G wireless resources, and can ensure the 4G data service resource bandwidth.
Fig. 5 is a schematic structural diagram of a VoLTE service offloading processing apparatus according to an embodiment of the present invention, and as shown in fig. 5, the apparatus includes a data detection unit 21 and an offloading processing unit 22, where:
the data detection unit 21 is configured to detect a maximum number of activated users and a number of VoLTE voice users in a current LTE cell;
the distribution processing unit 22 is configured to drop the newly added VoLTE service in the current LTE cell back to the 2G/3G network by starting a CSFB fallback procedure when it is determined that the maximum number of activated users is greater than the threshold number of activated users, or when it is determined that the number of VoLTE voice users is greater than the threshold number of VoLTE voice users.
Specifically, the flow of performing the VoLTE service offloading processing by the VoLTE service offloading processing apparatus of this embodiment includes: the data detection unit 21 detects the maximum number of activated users and the number of VoLTE voice users in the current LTE cell; when judging that the maximum number of the activated users is larger than the threshold of the number of the activated users, or when judging that the number of the voice users of the VoLTE is larger than the threshold of the number of the voice users of the VoLTE, the offloading processing unit 22 drops the newly added VoLTE service in the current LTE cell back to the 2G/3G network by starting a CSFB fallback procedure.
Further, as an optional implementation manner of the foregoing apparatus embodiment, the data detecting unit 21 may be further specifically configured to determine whether the current LTE cell supports offloading processing of a VoLTE service, so as to execute the operation of detecting the maximum number of active users and the number of voice users of VoLTE in the current LTE cell when it is determined that the current LTE cell supports offloading processing of the VoLTE service.
Further, as an optional implementation of the above device embodiment, the device may further include:
and the activated user number threshold determining unit is used for determining the activated user number threshold according to the average page download rate of the current LTE cell.
Further, as an alternative implementation of the above device embodiment, the device comprises:
and the voice user number threshold determining unit is used for determining the VoLTE voice user number threshold according to the packet loss rate of the VoLTE voice service and the proportion that the average subjective opinion score MOS is greater than 3.0.
The VoLTE service offloading processing apparatus described in this embodiment may be configured to execute the foregoing VoLTE service offloading processing method embodiment, and the principle and technical effect thereof are similar, and are not described here again.
It should be noted that, for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to part of the description of the method embodiment.
Fig. 6 is a schematic structural diagram of an electronic device for implementing a VoLTE service offloading processing method according to an embodiment of the present invention, and as shown in fig. 6, the electronic device includes: a processor (processor)31, a bus 32 and a memory (memory)33, wherein the processor (processor)31 and the memory 33 communicate with each other through the bus 32. The processor 31 may call program instructions in the memory 33 to perform the following method:
detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
and if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process.
The present embodiment discloses a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the method provided by the above-mentioned method embodiments, for example, comprising:
detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
and if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the above method embodiments, for example, including:
detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
and if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process.
According to the VoLTE service distribution processing method and device, the VoLTE service distribution judgment threshold under high network load is determined through the correlation analysis of page download rate, the maximum activated user number of a cell, the VoLTE user number and packet loss rate under a large traffic scene and the change trend that an MOS value is larger than 3.0, the VoLTE service distribution judgment threshold is used as the judgment of a newly-increased VoLTE call starting CSFB process and submitted, the newly-increased VoLTE call service is quickly dropped to a 2G/3G network through the CSFB process, the wireless resources of the 2G/3G network are fully utilized to share the LTE network load, and the bandwidth resource requirement of the data service of a 4G user is ensured.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A VoLTE service shunting processing method is characterized by comprising the following steps:
detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, the newly added VoLTE service in the current LTE cell is fallen back to the 2G/3G network by starting a CSFB falling process;
wherein, dropping the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting the CSFB dropping process comprises:
starting to convert the new call of VoLTE into a CSFB call;
and issuing the fallback 2G/3G network system and the base station frequency point to a terminal corresponding to the newly added call by starting a QCI (quaternary clock identifier) 5 default bearer release flow and connecting a release message through a radio resource control protocol after the release is successful, so that the terminal performs voice service call on the 2G/3G network by starting a CSFB fallback flow.
2. The method of claim 1, wherein the detecting a maximum number of active users and a number of voice over VoLTE users in a current LTE cell comprises:
and judging whether the current LTE cell supports the shunting processing of the VoLTE service or not, and executing the operation of detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell when judging that the current LTE cell supports the shunting processing of the VoLTE service.
3. The method of claim 1, wherein the detecting a maximum number of active users and a number of voice over VoLTE users in a current LTE cell comprises:
and detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell according to a preset period.
4. The method of claim 1, further comprising:
if the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users, or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users, determining that the current LTE cell is in a high-load state;
and when judging that the duration time of the current LTE cell in the high load state exceeds the duration time threshold, executing the operation of dropping the newly added VoLTE service in the current LTE cell to the 2G/3G network by starting a CSFB dropping process.
5. The method according to any one of claims 1-4, further comprising:
and determining the threshold value of the number of the activated users according to the average page download rate of the current LTE cell.
6. The method according to any one of claims 1-4, further comprising:
and determining the threshold of the number of VoLTE voice users according to the packet loss rate of the VoLTE voice service and the proportion that the average subjective opinion score MOS is greater than 3.0.
7. A VoLTE service shunting processing device is characterized by comprising:
the data detection unit is used for detecting the maximum number of activated users and the number of VoLTE voice users in the current LTE cell;
the shunt processing unit is used for dropping a newly added VoLTE service in the current LTE cell to the 2G/3G network by starting a CSFB dropping process when the maximum number of the activated users is judged to be larger than the threshold of the number of the activated users or the number of the VoLTE voice users is judged to be larger than the threshold of the number of the VoLTE voice users;
wherein, the shunting processing unit is specifically configured to:
starting to convert the new call of VoLTE into a CSFB call;
and issuing the fallback 2G/3G network system and the base station frequency point to a terminal corresponding to the newly added call by starting a QCI (quaternary clock identifier) 5 default bearer release flow and connecting a release message through a radio resource control protocol after the release is successful, so that the terminal performs voice service call on the 2G/3G network by starting a CSFB fallback flow.
8. The apparatus according to claim 7, wherein the data detection unit is specifically configured to determine whether the current LTE cell supports offloading processing of a VoLTE service, so as to perform the operation of detecting the maximum number of active users and the number of voice users of VoLTE in the current LTE cell when it is determined that the current LTE cell supports offloading processing of a VoLTE service.
9. The apparatus of claim 7, wherein the apparatus comprises:
and the activated user number threshold determining unit is used for determining the activated user number threshold according to the average page download rate of the current LTE cell.
10. The apparatus of claim 7, wherein the apparatus comprises:
and the voice user number threshold determining unit is used for determining the VoLTE voice user number threshold according to the packet loss rate of the VoLTE voice service and the proportion that the average subjective opinion score MOS is greater than 3.0.
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