CN104754772B - Multimode terminal voice service initiating method and multimode terminal - Google Patents
Multimode terminal voice service initiating method and multimode terminal Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
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Abstract
The embodiment of the invention discloses a method for initiating a voice service of a multimode terminal and the multimode terminal, wherein the method comprises the following steps: a communication processing CP module in the multimode terminal receives a voice call request of an unspecified voice initiating domain sent by an application processing AP module in the multimode terminal; the CP module selects a voice initiating domain according to the voice call request and initiates a voice call in the selected voice initiating domain; the embodiment of the invention transfers the selection right of the voice initiating domain to the CP module so as to reduce the connection time when the voice service is initiated, improve the connection rate when the voice service is initiated and improve the user experience.
Description
Technical Field
The present invention relates to the field of wireless communication, and in particular, to a method for initiating a voice service at a multimode terminal and a multimode terminal.
Background
For a multimode terminal simultaneously supporting LTE (Long Term Evolution), UMTS (Universal mobile telecommunications System), GSM (Global System of mobile communications), etc., the voice service part rule is as follows:
1. when the multimode terminal operates in the LTE mode, PS (Packet Switch) voice may be initiated through an IMS (IP Multimedia subsystem), and CS (Circuit switched voice fallback) voice may also be initiated through a CSFB (Circuit switched voice fallback) technology.
2. The multimode terminal works in UMTS/GSM mode, can initiate PS voice through IMS, can initiate CS voice through CS field directly too.
3. The user can set the voice initiated preference settings himself, for example: PS voice over CS voice, CS voice over PS voice over CS voice over PS voice.
During a specific voice service initiation procedure, the multimode terminal starts the voice service procedure according to the currently camped mode and the voice preference setting of the user.
Currently, a mainstream terminal solution mainly includes an AP (Application Processing) module and a CP (Communication Processing) module. The AP module is mainly responsible for processing of a terminal application part and comprises functions of service initiation and the like, and the CP module comprises functions related to a terminal baseband and is mainly responsible for a wireless communication part. Specifically, when voice service is performed, the AP module is mainly responsible for voice initiation and determination (e.g., selection of a voice initiation domain), that is, the AP sends a corresponding AT command (AT) to the CP module according to the currently-residing mode and the voice preference, and starts a voice process. However, this method has problems: if the user's preference is set as PS voice first or CS voice first, the AP may try the voice process again in the sub-optimal domain after the failure of the attempt in the priority domain, or reject the voice request, which results in a longer waiting on-time or a lower call completing rate for the user in the scenario due to more interactions between the AP module and the CP module in the process, resulting in a poor user experience.
Disclosure of Invention
In view of this, the present invention provides a method and an apparatus for initiating a voice service of a multimode terminal, which solve the problem of long connection time or low connection rate when initiating the existing voice service, and improve user experience.
The invention provides a method for initiating voice service of a multimode terminal, which comprises the following steps:
a communication processing CP module in a multi-module terminal receives a voice call request of an unspecified voice initiating domain sent by an application processing AP module in the multi-module terminal;
the CP module selects a voice originating domain according to the voice call request and initiates a voice call in the selected voice originating domain.
Further, the CP module selects a voice originating domain according to the voice call request, including:
the CP module selects a voice originating domain according to voice preferences configured to the CP module when a first condition is satisfied, the first condition being: and when the voice call request is received, the CP module is in a resident state, or when the voice call request is received, the CP module is in a network selection state but the CP module caches the voice call request, and waits for the network selection to be finished and the CP module enters the resident state.
Further, the CP module selecting a voice originating domain according to voice preferences configured to the CP module, comprising:
when the voice preference is circuit switched CS/packet switched PS only voice, the CP module selects CS/PS domain only;
when the voice preference is CS voice priority/PS voice priority, the CP module firstly selects the CS domain/PS domain, and then selects the PS domain/CS domain if the voice call initiation in the CS domain/PS domain fails.
Further, the CP module selects a voice originating domain according to the voice call request, including:
when a second condition is met, the CP module controls the network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice, and selects a CS domain, wherein the second condition is as follows: and when a voice call request is received, the CP module is in a network selection state, and the multi-mode terminal does not support PS voice.
Further, the CP module controls a network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice, including:
when the voice call request is an emergency voice call request, the CP module controls the network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice in a residence-limited mode.
Further, the CP module selects a voice originating domain according to the voice call request, including:
when a third condition is satisfied, the CP module controls reselection of the network to cause the multimode terminal to camp on a network directly supporting CS domain voice and selects a CS domain, the third condition including: when a voice call request is received, the CP module is in a resident state, the multi-mode terminal is in an LTE mode, and a CS domain and a PS domain in the LTE mode can not normally provide voice service currently.
Further, the CP module controls the network reselection to enable the multimode terminal to reside in a network directly supporting CS domain voice, including:
and when the voice call request is an emergency voice call request, the CP module controls network reselection to enable the multimode terminal to be resided in a network directly supporting CS domain voice in a residence-limited mode.
The invention also provides a multimode terminal, which comprises a CP module, wherein the CP module comprises:
a receiving unit, configured to receive a voice call request sent by an AP module in the multimode terminal and without specifying a voice originating domain;
and the processing unit is used for selecting a voice initiating domain and initiating a voice call in the selected voice initiating domain according to the voice call request received by the receiving unit.
Further, the processing unit includes:
a first processing subunit for selecting a voice originating domain and originating a voice call according to voice preferences configured to the CP module when a first condition is satisfied, the first condition being: and when the voice call request is received, the CP module is in a resident state, or when the voice call request is received, the CP module is in a network selection state but the CP module caches the voice call request, waits for the network selection to be finished and enters the resident state.
Further, the processing unit includes:
a second processing subunit, configured to control a network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice and select a CS domain to initiate a voice call when a second condition is satisfied, where the second condition is: and when a voice call request is received, the CP module is in a network selection state, and the multi-mode terminal does not support PS voice.
The invention has the beneficial effects that:
the embodiment of the invention transfers the selection right of the voice initiation domain to the CP module to realize the following advantages: firstly, the task amount of the AP module in a voice flow is reduced, and the efficiency of the AP module is improved; secondly, reduce the interaction of AP module and CP module in the voice flow, for example: when the CP module fails to initiate the voice call in the voice initiating domain selected for the first time, the CP module directly selects the voice initiating domain again to initiate the voice call without inquiring the indication of the AP module, so that the connection time when the voice service is initiated is reduced or the connection rate is improved, and the user experience is improved; and thirdly, the CP module selects the voice initiating domain, thereby providing possibility for more controlling the voice initiating process for the CP module.
Drawings
The invention is further described below with reference to the following figures and examples:
fig. 1 is a flowchart illustrating a method for initiating a voice service at a multimode terminal according to a first embodiment of the present invention.
Fig. 2 is a flowchart of a multimode terminal voice service initiation method according to a second embodiment of the present invention.
Fig. 3 is a flowchart of a third embodiment of a voice service initiation method for a multimode terminal provided by the present invention.
Fig. 4 is a flowchart of a fourth embodiment of the method for initiating a voice service at a multimode terminal according to the present invention.
Fig. 5 is a flowchart of a fifth embodiment of a voice service initiation method for a multimode terminal provided by the present invention.
Fig. 6 is a flowchart of a sixth embodiment of a voice service initiation method for a multimode terminal provided by the present invention.
Fig. 7 is a schematic structural diagram of an embodiment of a multimode terminal provided by the invention.
Detailed Description
The multimode terminal of the embodiment of the invention can simultaneously support network systems such as LTE, UMTS, GSM and the like, the most common form is an intelligent mobile phone, and the multimode terminal mainly comprises: an AP module and a CP module. In the prior art, because the AP module initiates and judges voice when voice service is initiated (for example, selects a voice initiation domain), the user has the situation that the user waits for long time to be connected or even generally fails to be connected for some scenes, which results in poor user experience, and one of the scenes is as follows: the user preference is PS voice priority or CS voice priority, so that the AP module designates the CP module to initiate voice in the PS domain or the CS domain when the AP module initiates voice, the AP module is reported after the CP module fails to initiate voice in the PS domain or the CS domain, and the AP module indicates the CP module to initiate voice call in a suboptimal domain. In order to solve the above problems, the present invention proposes the following technical solutions.
Please refer to fig. 1, which is a flowchart illustrating a method for initiating a voice service at a multimode terminal according to a first embodiment of the present invention. The multimode terminal herein includes: an AP module and a CP module. The process flow of fig. 1 includes:
step S11, the CP module receives the voice call request sent by the AP module, where the voice call request does not specify the originating domain of the voice.
Step S12, the CP module selects a voice originating domain according to the received voice call request and initiates a voice call in the selected voice originating domain.
In this embodiment, the speech mainly includes: CS voice and PS voice, wherein CS voice refers to a voice procedure initiated using 3GPP (The 3rd Generation Partnership Project, third Generation Partnership Project) standard call control (CallControl) protocol under UMTS/GSM, CS voice under LTE is a voice procedure implemented using CSFB procedures in 3 GPP; PS voice means: VoIP (Voice over Internet Protocol) procedures are implemented by IMS.
In this embodiment, the voice originating domain mainly includes: a CS domain and a PS domain.
In this embodiment, when selecting the voice originating domain to originate a voice call, the CP module may select the voice originating domain to originate a voice call according to the voice preference configured to the CP module. Specifically, the method comprises the following steps:
when the voice preference is CS voice-first/CS voice only, the CP module selects the CS domain and initiates a voice call over the CS domain. More specifically, if the voice preference is circuit switched CS voice first, when the CP module fails to initiate a voice call in the CS domain, it tries to initiate a voice call in the PS domain; of course, the CP module may also choose to instruct the AP module to end the voice call and fail the call after the voice call over the CS domain fails.
When the voice preference is PS voice-first/PS voice only, the CP module selects the PS domain and initiates a voice call over the PS domain. More specifically, if the voice preference is PS voice priority, when the CP module fails to initiate a voice call in the PS domain, it tries to initiate a voice call in the CS domain; of course, the CP module may also choose to instruct the AP module to end the voice call and fail the call after the voice call over the PS domain fails.
Wherein the voice call failure comprises: voice call failure due to network rejection of the service request, failure of voice connection establishment, and the like.
This embodiment, the selection of the voice originating domain is implemented by the CP module with three benefits: the first aspect is that the AP module does not select the voice initiating domain, which is beneficial to reducing the voice flow of the AP module; the second aspect is that the interaction time of the AP module and the CP module can be reduced, for example: when the CP module fails to initiate voice in the voice initiating domain selected for the first time, the CP module can directly select the voice initiating domain again to initiate voice call without inquiring the indication of the AP module, so that the problems of long connection time or low connection rate when the existing voice service is initiated are solved, and the user experience is improved; the third aspect is the selection of the originating domain of the voice by the CP module, which facilitates more control of the voice originating process by the CP side, for example: under the network selection scene and the emergency call scene, the network selection process is controlled, so that the call completing rate is improved, and the user experience is improved.
Please refer to fig. 2, which is a flowchart illustrating a voice service initiation method for a multimode terminal according to a second embodiment of the present invention. It includes:
and step S21, the CP module is currently in a network selection state.
Step S22, the AP module sends a voice call request to the CP module.
Step S23, the CP module buffers the voice call request, and waits for the end of network selection (i.e. when the CP module is in the resident state) to select the voice originating domain to initiate the voice call.
In this embodiment, the CP in the network selection state includes but is not limited to: network selection after coverage loss, network selection under the limitation of residence, cell selection and reselection, network selection requested by a user and the like.
In this embodiment, the CP module may select the voice initiation domain according to the voice preference, which can be referred to the related description of the embodiment of fig. 1.
Please refer to fig. 3, which is a flowchart illustrating a voice service initiation method for a multimode terminal according to a third embodiment of the present invention. It includes:
and step S31, the CP module is currently in a network selection state.
Step S32, the AP module sends a voice call request to the CP module.
Step S33, the multimode terminal does not support PS voice.
Step S34, the CP module controls the network selection process to make the multimode terminal reside in the network directly supporting the CS domain voice and select the CS domain to initiate the voice call.
In this embodiment, if the multi-mode terminal does not support PS voice, the network selection procedure is intervened, and the terminal preferentially resides in a network (such as UMTS/GSM) directly supporting CS domain voice, so as to avoid the terminal residing in a network only supporting PS voice (such as LTE, because LTE cannot directly support CS voice, the adopted CSFB procedure also needs to fall back to the network supporting CS domain), which can complete voice more quickly and reduce the voice connection time.
In this embodiment, the multimode terminal does not support PS voice, including but not limited to: the multi-mode terminal does not support the PS domain, the multi-mode terminal does not support IMS voice, or the user configures the voice preference to support CS voice only in the multi-mode terminal.
Please refer to fig. 4, which is a flowchart illustrating a method for initiating a voice service at a multimode terminal according to a fourth embodiment of the present invention. It includes:
and step S41, the CP module is currently in a network selection state.
Step S42, the AP module sends an emergency voice call request to the CP module.
Step S43, the multimode terminal does not support PS emergency voice.
Step S43, the CP module controls the network selection process to make the multimode terminal reside in the network directly supporting CS domain voice in the mode of residence limitation and selects CS domain to initiate voice call.
In this embodiment, the restriction of the stay refers to: residing in any network, only providing emergency service function, the CP module restricts residing in a CS domain voice network (UMTS/GSM) by request, so that the residing speed is faster, and the connection speed of emergency call can be increased.
In this embodiment, the multimode terminal does not support PS emergency voice, including but not limited to: the multi-mode terminal does not support the PS domain, the multi-mode terminal does not support IMS voice, or the user configures the voice preference to support CS voice only in the multi-mode terminal.
Please refer to fig. 5, which is a flowchart illustrating a fifth embodiment of a voice service initiation method for a multimode terminal according to the present invention. It includes:
step S51, the AP module sends a voice call request to the CP module.
And step S52, the multi-mode terminal is in the LTE mode.
Step S53, the CS domain and the PS domain in LTE mode are currently unable to provide voice services normally.
Step S54, the CP module controls network reselection to make the multimode terminal reside in the network directly supporting the CS domain voice and select the CS domain to initiate the voice call.
In this embodiment, in the LTE mode, the failure of both the CS domain and the PS to provide normal voice service means that CS and PS voices cannot be supported currently, or that a CS voice flow fails (CSFB failure) and a PS voice flow fails.
Please refer to fig. 6, which is a flowchart illustrating a method for initiating a voice service at a multimode terminal according to a sixth embodiment of the present invention. It includes:
step S61, the AP module sends an emergency voice call request to the CP module.
And step S62, the multi-mode terminal is in the LTE mode.
Step S63, the CS domain and the PS domain in LTE mode are currently unable to provide voice services normally.
And step S64, the CP module controls network reselection to make the multimode terminal reside in the CS domain voice direct supporting network in a residence-limited mode and selects CS domain to initiate voice call.
In this embodiment, in the LTE mode, the failure of both the CS domain and the PS to provide normal voice service means that CS and PS voices cannot be supported currently, or that a CS voice flow fails (CSFB failure) and a PS voice flow fails.
In this embodiment, the restriction of the stay refers to: the method has the advantages that the method resides in any network and only provides an emergency service function, and the CP module requests to limit the residence to a CS domain voice supporting network (UMTS/GSM), so that the residence speed can be increased, and the connection speed of the emergency call can be remarkably increased.
As shown in fig. 7, it is a schematic structural diagram of an embodiment of a multimode terminal provided in the present invention, and it includes: an AP module 1 and a CP module 2.
Wherein the AP module 1 is configured to send a voice call request to the CP module 2, the voice call request not specifying a voice originating domain.
The CP module 2 is configured to receive the voice call request sent by the AP module 1, select a voice originating domain according to the voice call request, and initiate a voice call in the selected voice originating domain.
Specifically, the CP module 2 includes: a receiving unit 21 and a processing unit 22, wherein the receiving unit 21 is used for receiving the voice call request of the unspecified voice initiating domain sent by the AP module; the processing unit 22 is configured to select a voice originating domain and initiate a voice call in the selected voice originating domain according to the voice call request received by the receiving unit 21.
Specifically, the processing unit 22 includes: a first processing sub-unit 221, a second processing sub-unit 222 and a third processing sub-unit 223 configured in parallel.
Wherein the first processing subunit 221 is configured to select a voice originating domain according to the voice preferences configured to the CP module 2 and to initiate a voice call in the selected voice originating domain, when the first condition is satisfied. Wherein the first condition is: the CP module is in a resident state when receiving the voice call request, or the CP module is in a network selection state but the CP module buffers the voice call request, waits for the network selection to be finished and enters the resident state when receiving the voice call request. Specifically, when the voice preference is circuit switched CS/packet switched PS only voice, the first processing subunit 221 selects only the CS/PS domain to initiate a voice call; when the voice preference is CS voice over PS voice over CS voice, the first processing subunit 221 first selects the CS domain/PS domain to originate the voice call, and then selects the PS domain/CS domain to originate the voice call if the CS domain/PS domain originating the voice call fails.
Wherein, the second processing subunit 222 is configured to, when the second condition is met, control the network selection process to enable the multimode terminal to camp on the network directly supporting the CS domain voice, and select the CS domain to initiate the voice call. Wherein the second condition is: the CP module is in a network selection state when receiving the voice call request, and the multi-mode terminal does not support PS voice. More specifically, on the basis of the above, when the voice call request is an emergency voice call request, the second processing subunit 222 controls the network selection process to enable the multimode terminal to camp on the network directly supporting the CS domain voice in a manner of parking restriction.
Wherein, the third processing subunit 223 is configured to, when the third condition is met, control the reselection network to make the multimode terminal reside in a network directly supporting CS domain voice, and select the CS domain to initiate a voice call. Wherein the third condition comprises: when receiving the voice call request, the CP module is in a resident state, the multimode terminal is in an LTE mode, and both a CS domain and a PS domain in the LTE mode cannot normally provide voice service currently. More specifically, on the basis of the above, if the voice call request is an emergency voice call request, the third processing subunit 223 controls the network reselection to make the multimode terminal camp on the network directly supporting the CS domain voice in a manner of camping restriction, so as to improve the connection speed of the emergency call.
This embodiment, the selection of the voice originating domain is implemented by the CP module with three benefits: the first aspect is that the AP module does not select the voice initiating domain, which is beneficial to reducing the voice flow of the AP module; the second aspect is that the interaction time of the AP module and the CP module can be reduced, for example: when the CP module fails to initiate voice in the voice initiating domain selected for the first time, the CP module can directly select the voice initiating domain again to initiate voice call without inquiring the indication of the AP module, so that the problems of long connection time or low connection rate when the existing voice service is initiated are solved, and the user experience is improved; the third aspect is the selection of the originating domain of the voice by the CP module, which facilitates more control of the voice originating process by the CP side, for example: under the network selection scene and the emergency call scene, the network selection process is controlled, so that the call completing rate is improved, and the user experience is improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. A method for initiating voice service of multimode terminal is characterized in that: the method comprises the following steps:
a communication processing CP module in a multi-mode terminal receives a voice call request of an unspecified voice initiating domain sent by an application processing AP module in the multi-mode terminal;
the CP module selects a voice initiating domain according to the voice call request and initiates a voice call in the selected voice initiating domain;
the CP module selects a voice originating domain according to the voice call request, including:
the CP module selects a voice originating domain according to voice preference parameters configured to the CP module when a first condition is satisfied, the first condition being: the CP module is in a resident state when the voice call request is received, or the CP module is in a network selection state but the CP module caches the voice call request when the voice call request is received, and waits for the network selection to be finished and the CP module enters the resident state;
the CP module selecting a voice initiation domain according to voice preference parameters configured to the CP module, comprising:
when the voice preference parameter is circuit switched CS or packet switched PS only voice, the CP module selects CS or PS domain only;
when the voice preference parameter is CS voice preference or PS voice preference, the CP module firstly selects a CS domain or a PS domain, and then selects the PS domain or the CS domain if the voice call initiated in the CS domain or the PS domain fails.
2. The multimode terminating voice service initiation method of claim 1, wherein: the CP module selects a voice originating domain according to the voice call request, including:
when a second condition is met, the CP module controls the network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice, and selects a CS domain, wherein the second condition is as follows: and when a voice call request is received, the CP module is in a network selection state, and the multi-mode terminal does not support PS voice.
3. The multimode terminating voice service initiation method of claim 2, wherein: the CP module controls the network selection process to make the multimode terminal reside in the network directly supporting CS domain voice, including:
when the voice call request is an emergency voice call request, the CP module controls the network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice in a residence-limited mode.
4. The multimode terminating voice service initiation method of claim 1, wherein: the CP module selects a voice originating domain according to the voice call request, including:
when a third condition is satisfied, the CP module controls reselection of the network to cause the multimode terminal to camp on a network directly supporting CS domain voice and selects a CS domain, the third condition including: when a voice call request is received, the CP module is in a resident state, the multi-mode terminal is in an LTE mode, and a CS domain and a PS domain in the LTE mode can not normally provide voice service currently.
5. The method for initiating a voice service at a multimode terminal according to claim 4, characterized in that: the CP module controls network reselection to enable the multimode terminal to reside in a network directly supporting CS domain voice, and the method comprises the following steps:
and when the voice call request is an emergency voice call request, the CP module controls network reselection to enable the multimode terminal to be resided in a network directly supporting CS domain voice in a residence-limited mode.
6. A multimode terminal includes a CP module, characterized in that: the CP module includes:
a receiving unit, configured to receive a voice call request sent by an AP module in the multimode terminal and without specifying a voice originating domain;
a processing unit for selecting a voice originating domain and originating a voice call in the selected voice originating domain according to the voice call request received by the receiving unit;
the processing unit includes:
a first processing subunit for selecting a voice originating domain and originating a voice call according to the voice preference parameter configured to the CP module when a first condition is satisfied, the first condition being: the CP module is in a resident state when the voice call request is received, or the CP module is in a network selection state but the CP module caches the voice call request when the voice call request is received, and waits for the network selection to be finished and the CP module enters the resident state;
the processing unit includes:
a second processing subunit, configured to control a network selection process to enable the multimode terminal to reside in a network directly supporting CS domain voice and select a CS domain to initiate a voice call when a second condition is satisfied, where the second condition is: and when a voice call request is received, the CP module is in a network selection state, and the multi-mode terminal does not support PS voice.
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