CN116600370A - Dual-card dual-standby dual-pass terminal communication method and device - Google Patents

Dual-card dual-standby dual-pass terminal communication method and device Download PDF

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Publication number
CN116600370A
CN116600370A CN202310648578.7A CN202310648578A CN116600370A CN 116600370 A CN116600370 A CN 116600370A CN 202310648578 A CN202310648578 A CN 202310648578A CN 116600370 A CN116600370 A CN 116600370A
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China
Prior art keywords
card
frequency band
communication card
cell
dual
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CN202310648578.7A
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Chinese (zh)
Inventor
黄江涛
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202310648578.7A priority Critical patent/CN116600370A/en
Publication of CN116600370A publication Critical patent/CN116600370A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a method and a device for communication of a double-card double-standby double-pass terminal, wherein the method comprises the following steps: under the condition that a first communication card of the terminal is out of service and a second communication card is in service, executing cell searching operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through a radio resource control layer; the first candidate frequency band is a frequency band combined with a double-card double-pass DSDA frequency band formed by the working frequency band of the second communication card; and under the condition that the first suitable cell is searched, the residence operation of the first communication card in the first suitable cell is executed. In this way, for the non-service card (i.e. the first communication card) of the terminal, the cell search is performed in the first candidate frequency band combined with the working frequency band of the service card (i.e. the second communication card) to form the DSDA frequency band, so as to make the terminal work in the DSDA state and realize the dual-card dual-standby dual-pass function of the terminal.

Description

Dual-card dual-standby dual-pass terminal communication method and device
Technical Field
The present application relates to communication technologies, and in particular, to a method and an apparatus for dual-card dual-standby dual-pass terminal communication.
Background
With the development of communication technology, a terminal can support a dual card dual pass (Dual SIM Dual Active, DSDA) function. When the frequency band where the double cards reside is in the DSDA frequency band combination, the terminal works in a DSDA state; otherwise, the terminal works in a dual card dual standby (Dual SIM Dual Standby, DSDS) state.
Under the condition that the existing terminal is used for communicating through one of the communication cards, if the working state of the terminal is switched from the DSDA state to the DSDS state, the terminal cannot return to the DSDA state any more, and the other Zhang Tongxin card is always out of service.
Disclosure of Invention
The application provides a method and a device for communication of a dual-card dual-standby dual-pass terminal.
The technical scheme of the application is realized as follows:
in a first aspect, a dual-card dual-standby dual-pass terminal communication method is provided, and the method includes:
under the condition that a first communication card of the terminal is out of service and a second communication card is in service, executing cell searching operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through a radio resource control layer; the first candidate frequency band is a frequency band combined with a double-card double-pass DSDA frequency band formed by the working frequency band of the second communication card;
and under the condition that the first suitable cell is searched, executing the residence operation of the first communication card in the first suitable cell.
In a second aspect, there is provided a dual-card dual-standby dual-pass terminal communication device, wherein the device includes:
the processing unit is used for executing cell search operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through the radio resource control layer under the condition that the first communication card of the terminal is out of service and the second communication card is in service; the first candidate frequency band is a frequency band combined with a double-card double-pass DSDA frequency band formed by the working frequency band of the second communication card; and under the condition that the first suitable cell is searched, executing the residence operation of the first communication card in the first suitable cell.
In a third aspect, a terminal is provided, including: a processor and a memory configured to store a computer program capable of running on the processor, wherein the processor is configured to perform the steps of the method of the first aspect when the computer program is run.
In a fourth aspect, there is provided a computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the method of the first aspect.
The application discloses a double-card double-standby double-pass terminal communication method and a device, which are used for carrying out cell search on a service-free card (namely a first communication card) of a terminal in a first candidate frequency band combined with a DSDA frequency band formed by a working frequency band with a service card (namely a second communication card), wherein the purpose of carrying out cell search is to enable the terminal to work in a DSDA state and realize the double-card double-standby double-pass function of the terminal.
Drawings
Fig. 1 is a schematic flow chart of a dual-card dual-standby dual-pass terminal communication method in an embodiment of the application;
fig. 2 is a schematic diagram of a second flow of a dual-card dual-standby dual-pass terminal communication method according to an embodiment of the present application;
fig. 3 is a schematic third flow chart of a dual-card dual-standby dual-pass terminal communication method in an embodiment of the application;
fig. 4 is a schematic diagram of a structure of a dual-card dual-standby dual-pass terminal communication device according to an embodiment of the present application;
fig. 5 is a schematic diagram of a terminal composition structure according to an embodiment of the present application.
Detailed Description
For a more complete understanding of the nature and the technical content of the embodiments of the present application, reference should be made to the following detailed description of embodiments of the application, taken in conjunction with the accompanying drawings, which are meant to be illustrative only and not limiting of the embodiments of the application.
The embodiment of the application provides a dual-card dual-standby dual-pass terminal communication method, and fig. 1 is a first flow diagram of the dual-card dual-standby dual-pass terminal communication method in the embodiment of the application, which is applied to a terminal, and an example terminal can be a mobile phone.
As shown in fig. 1, the method for communication between the dual-card dual-standby dual-pass terminal specifically includes:
step 101: under the condition that a first communication card of the terminal is out of service and a second communication card is in service, executing cell searching operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through the radio resource control layer; the first candidate frequency band is a frequency band combined with the DSDA frequency band formed by the working frequency band of the second communication card.
It should be noted that, for the non-service card (i.e., the first communication card) of the terminal, the cell search is performed in the first candidate frequency band combined with the working frequency band of the service card (i.e., the second communication card) to form the DSDA frequency band, so as to make the terminal work in the DSDA state, and realize the dual-card dual-standby dual-pass function of the terminal.
In some embodiments, the dual card service status sent by the radio frequency control layer is received by the radio resource control layer (Radio Resource Control, RRC); the dual-card service state is used for indicating whether the first communication card and the second communication card have services or not.
Here, the first communication card is out of service and the second communication card is in service according to the dual-card service state through the RRC layer.
For example, one possibility is that the first communication card is out of service due to no network signal, and the other possibility is that the terminal is in a call process through the second communication card, the working state of the terminal is switched from the DSDA state to the DSDS state or is in the DSDS state, and the two communication cards share one radio frequency resource in the DSDS state, however, when the second communication card occupies the radio frequency resource, the first communication card is out of service.
In some embodiments, further comprising:
transmitting a radio frequency resource application request to a radio frequency control layer through the radio resource control layer;
receiving idle radio frequency resources returned by the radio frequency control layer when the radio frequency control layer responds to the radio frequency resource application request through the radio resource control layer; and taking the idle radio frequency resource as the first radio frequency resource.
The radio frequency control layer of the terminal includes two radio frequency resources, if the second communication card occupies one of the radio frequency resources, and the first communication card does not serve, i.e. does not occupy the radio frequency resources, then when the radio frequency control layer receives the radio frequency resource application request sent by the RRC layer, the radio frequency control layer allocates the idle radio frequency resources to the first communication card without service for use.
Table 1 is a schematic diagram of DSDA frequency band combinations illustrated in the embodiment of the present application.
As shown in table 1, for example, the second communication card is registered in the n1 frequency band, the first candidate frequency band of the first communication card includes n1 frequency band, n5 frequency band, n8 frequency band, n28 frequency band and n41 frequency band; for example, the second communication card is registered in the n5 frequency band, and the first candidate frequency band of the first communication card includes an n1 frequency band and an n41 frequency band; for example, the second communication card is registered in the n8 frequency band, and the first candidate frequency band of the first communication card comprises an n1 frequency band and an n41 frequency band; for example, the second communication card is registered in the n28 frequency band, and the first candidate frequency band of the first communication card includes an n1 frequency band and an n41 frequency band; for example, the second communication card is registered in the n41 frequency band, the first candidate frequency band of the first communication card includes an n1 frequency band, an n5 frequency band, an n8 frequency band, an n28 frequency band, and an n41 frequency band.
In some embodiments, after the performing the cell search operation, the method further includes:
determining at least one candidate cell meeting the residence condition from the searched at least one cell;
and taking the candidate cell with the strongest signal strength in the at least one candidate cell as the first suitable cell.
That is, at least one candidate cell satisfying the camping condition is determined from among the searched at least one cell, and then the first suitable cell is determined from among the at least one candidate cell satisfying the camping condition.
In some embodiments, the determining at least one candidate cell satisfying the camping condition from the searched at least one cell includes:
measuring the signal quality of the at least one cell to obtain a signal quality measurement index of the at least one cell; wherein the signal quality measurement index at least comprises reference signal receiving power and reference signal receiving quality;
the resident condition includes: the reference signal received power is greater than a received power threshold and the reference signal received quality is greater than a received quality threshold.
That is, the signal quality of the searched at least one cell is measured to obtain the reference signal receiving power and the reference signal receiving quality of the at least one cell; taking a cell with the reference signal receiving power of at least one cell larger than a receiving power threshold and the reference signal receiving quality larger than a receiving quality threshold as a candidate cell; if the number of the candidate cells is 1, the candidate reserved cell is used as a first suitable cell; and if the number of the candidate cells is greater than or equal to 2, selecting the candidate cell with the strongest signal strength from the candidate cells as a first suitable cell. The signal strength is determined by the reference signal received power parameter.
Step 102: and executing the residence operation of the first communication card in the first suitable cell under the condition that the existence of the first suitable cell is searched.
In some embodiments, the performing the camping operation of the first communication card on the first suitable cell comprises:
transmitting, by the radio resource control layer, indication information including identification information of the first suitable cell to a non-access layer;
generating a network residence request of the first communication card in the first proper cell according to the indication information through the non-access layer;
and sending the network residence request to network equipment through the radio resource control layer and the radio frequency control layer by the non-access layer, wherein the network residence request is used for indicating the network equipment to complete the network residence of the first communication card in the first proper cell. The network device may be a base station.
That is, a network residence request of the Non-service card (i.e. the first communication card) is initiated to the network device through the Non-Access Stratum (NAS), so that the network device completes residence of the Non-service card in the first suitable cell, and thus the Non-service card successfully returns to the network, and the terminal works in the DSDA state, thereby realizing the dual-card dual-standby dual-pass function of the terminal.
Here, the execution subject of steps 101 to 102 may be a processor of the terminal.
The application discloses a double-card double-standby double-pass terminal communication method, which is used for carrying out cell search on a service-free card (namely a first communication card) of a terminal in a first candidate frequency band combined with a DSDA frequency band formed by a working frequency band with a service card (namely a second communication card), so as to enable the terminal to work in a DSDA state and realize the double-card double-standby double-pass function of the terminal. When the terminal works in a DSDA state, the communication card 2 cannot miss a call in the process of talking or surfing the internet, and surfing the internet of the communication card 1 is not interrupted; when the communication card 2 receives and transmits short messages and interacts with network signaling, the communication card 1 has a series of functions such as surfing the internet or playing games without blocking; when the communication card 1 is a first communication card, the communication card 2 is a second communication card; when the communication card 1 is the second communication card, the communication card 2 is the first communication card.
In order to further embody the purpose of the present application, on the basis of the above embodiment of the present application, fig. 2 is a schematic second flow chart of a dual-card dual-standby dual-pass terminal communication method in the embodiment of the present application, and as shown in fig. 2, the dual-card dual-standby dual-pass terminal communication method specifically includes:
step 201: under the conditions that a first communication card of the terminal is out of service and a second communication card is in service and in a call state, executing cell search operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through the radio resource control layer; the first candidate frequency band is a frequency band combined with the DSDA frequency band formed by the working frequency band of the second communication card.
In the embodiment of the application, the terminal is in the conversation process through the second communication card, if the working state of the terminal is switched from the DSDA state to the DSDS state or is in the DSDS state, the two communication cards share one radio frequency resource in the DSDS state, however, when the second communication card occupies the radio frequency resource, the first communication card is out of service.
In some embodiments, the dual card service status sent by the radio frequency control layer is received by the radio resource control layer (Radio Resource Control, RRC); the dual-card service state is used for indicating whether the first communication card and the second communication card have services or not.
Here, the first communication card is out of service and the second communication card is in service according to the dual-card service state through the RRC layer.
In some embodiments, receiving, by the radio resource control layer, a dual-card call state sent by a non-access layer; the dual-card call state is used for indicating whether the first communication card and the second communication card are in call or not.
Here, the RRC layer determines that the first communication card is in an un-talk state and the second communication card is in a talk state according to the dual-card talk state.
In some embodiments, further comprising:
transmitting a radio frequency resource application request to a radio frequency control layer through the radio resource control layer;
receiving idle radio frequency resources returned by the radio frequency control layer when the radio frequency control layer responds to the radio frequency resource application request through the radio resource control layer; and taking the idle radio frequency resource as the first radio frequency resource.
The radio frequency control layer of the terminal includes two radio frequency resources, the second communication card is in a call state, that is, the second communication card occupies one radio frequency resource, and the first communication card is in an un-call state, that is, the first communication card does not occupy the radio frequency resource, so when the radio frequency control layer receives a radio frequency resource application request sent by the RRC layer, the radio frequency control layer allocates an idle radio frequency resource to the first communication card without service for use.
Illustratively, as shown in table 1, for example, the second communication card is registered in the n1 frequency band, the first candidate frequency band of the first communication card includes the n1 frequency band, the n5 frequency band, the n8 frequency band, the n28 frequency band, and the n41 frequency band; for example, the second communication card is registered in the n5 frequency band, and the first candidate frequency band of the first communication card includes an n1 frequency band and an n41 frequency band; for example, the second communication card is registered in the n8 frequency band, and the first candidate frequency band of the first communication card comprises an n1 frequency band and an n41 frequency band; for example, the second communication card is registered in the n28 frequency band, and the first candidate frequency band of the first communication card includes an n1 frequency band and an n41 frequency band; for example, the second communication card is registered in the n41 frequency band, the first candidate frequency band of the first communication card includes an n1 frequency band, an n5 frequency band, an n8 frequency band, an n28 frequency band, and an n41 frequency band.
In some embodiments, after the performing the cell search operation, the method further includes:
determining at least one candidate cell meeting the residence condition from the searched at least one cell;
and taking the candidate cell with the strongest signal strength in the at least one candidate cell as the first suitable cell.
That is, at least one candidate cell satisfying the camping condition is determined from among the searched at least one cell, and then the first suitable cell is determined from among the at least one candidate cell satisfying the camping condition.
In some embodiments, the determining at least one candidate cell satisfying the camping condition from the searched at least one cell includes:
measuring the signal quality of the at least one cell to obtain a signal quality measurement index of the at least one cell; wherein the signal quality measurement index at least comprises reference signal receiving power and reference signal receiving quality;
the resident condition includes: the reference signal received power is greater than a received power threshold and the reference signal received quality is greater than a received quality threshold.
That is, the signal quality of the searched at least one cell is measured to obtain the reference signal receiving power and the reference signal receiving quality of the at least one cell; taking a cell with the reference signal receiving power of at least one cell larger than a receiving power threshold and the reference signal receiving quality larger than a receiving quality threshold as a candidate cell; if the number of the candidate cells is 1, the candidate reserved cell is used as a first suitable cell; and if the number of the candidate cells is greater than or equal to 2, selecting the candidate cell with the strongest signal strength from the candidate cells as a first suitable cell.
Step 202: and executing the residence operation of the first communication card in the first suitable cell under the condition that the existence of the first suitable cell is searched.
In some embodiments, the performing the camping operation of the first communication card on the first suitable cell comprises:
transmitting, by the radio resource control layer, indication information including identification information of the first suitable cell to a non-access layer;
generating a network residence request of the first communication card in the first proper cell according to the indication information through the non-access layer;
and sending the network residence request to network equipment through the radio resource control layer and the radio frequency control layer by the non-access layer, wherein the network residence request is used for indicating the network equipment to complete the network residence of the first communication card in the first proper cell.
That is, the network equipment initiates the network residence request of the non-service card (i.e. the first communication card) to the network equipment through the non-access layer, so that the network equipment completes the network residence of the non-service card in the first proper cell, the non-service card successfully returns to the network, and the terminal works in the DSDA state to realize the double-card double-standby double-pass function of the terminal.
The application discloses a communication method of a double-card double-standby double-pass terminal, wherein one communication card of the terminal is not served, and the other Zhang Tongxin card is served and is in a call state, because the communication card in the call state occupies one radio frequency resource, for the non-service card (namely, a first communication card), the cell search is carried out in a first candidate frequency band combined with the working frequency band of the service card (namely, a second communication card) through the residual idle radio frequency resource (namely, the first radio frequency resource), if a first suitable cell is searched, the residence operation of the first communication card in the first suitable cell is carried out, so that the terminal works in the DSDA state, and the double-card double-standby double-pass function of the terminal is realized; if the first suitable cell is not searched, the condition that no suitable cell can reside is indicated, and the terminal cannot work in the DSDA state.
Based on the above embodiments, the embodiment of the present application further discloses a dual-card dual-standby dual-pass terminal communication method, and fig. 3 is a third flow schematic diagram of the dual-card dual-standby dual-pass terminal communication method in the embodiment of the present application, as shown in fig. 3, where the dual-card dual-standby dual-pass terminal communication method specifically includes:
step 301: under the conditions that a first communication card of the terminal is out of service and a second communication card is in service and in an un-communicating state, executing cell searching operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through the radio resource control layer; the first candidate frequency band is a frequency band combined with the DSDA frequency band formed by the working frequency band of the second communication card.
In the embodiment of the application, the first communication card is out of service due to no network signal, and the service providers of the first communication card and the second communication card are different.
In some embodiments, the dual card service status sent by the radio frequency control layer is received by the radio resource control layer; the dual-card service state is used for indicating whether the first communication card and the second communication card have services or not.
Here, the wireless resource control layer determines that the first communication card has no service and the second communication card has service according to the dual-card service state.
In some embodiments, receiving, by the radio resource control layer, a dual-card call state sent by a non-access layer; the dual-card call state is used for indicating whether the first communication card and the second communication card are in call or not.
Here, it is determined by the radio resource control layer that the first communication card and the second communication card are in an un-talking state according to the two-card talking state.
In some embodiments, further comprising:
transmitting a radio frequency resource application request to a radio frequency control layer through the radio resource control layer;
receiving idle radio frequency resources returned by the radio frequency control layer when the radio frequency control layer responds to the radio frequency resource application request through the radio resource control layer; and taking the idle radio frequency resource as the first radio frequency resource.
It should be noted that, in the non-talking state of the terminal, the first communication card and the second communication card may each occupy one radio frequency resource, or may together occupy one radio frequency resource. The application preferably allocates the idle radio frequency resources (i.e. the first radio frequency resources) except the radio frequency resources occupied by the second communication card in the terminal to the first communication card, and performs cell search under the first candidate frequency band of the first communication card through the first radio frequency resources, so that the terminal preferably works in the DSDA state.
It should be noted that if the terminal cannot be made to operate in the DSDA state, then the cell search is performed under the second candidate frequency band of the first communication card through the second radio frequency resource (i.e. the radio frequency resource occupied by the second communication card), so that the terminal can operate in the DSDS state.
Step 302: and executing the residence operation of the first communication card in the first suitable cell under the condition that the first suitable cell is searched.
If the first suitable cell is searched in the first candidate frequency band combined with the DSDA frequency band formed by the working frequency band of the second communication card through the first radio frequency resource, the residence operation of the first communication card in the first suitable cell is executed, so that the terminal works in the DSDA state, and the double-card double-standby double-pass function of the terminal is realized; otherwise, step 303 is performed.
Step 303: under the condition that the first suitable cell is not searched, performing cell searching operation under at least one second candidate frequency band of the first communication card by using the applied second radio frequency resource through the radio resource control layer; the second candidate frequency band is a frequency band which is not combined with the DSDA frequency band and is formed by the working frequency band of the second communication card.
If the terminal cannot be made to work in the DSDA state, applying for the second radio frequency resource to the radio frequency control layer through the radio resource control layer, wherein the first communication card and the second communication card share one radio frequency resource at the moment, and then carrying out cell search under a second candidate frequency band which does not form a DSDA frequency band combination with the working frequency band of the second communication card through the second radio frequency resource, if a second suitable cell is searched, executing the residence operation of the first communication card in the second suitable cell, so that the terminal works in the DSDS state.
Illustratively, as shown in table 1, for example, the second communication card is registered in the n5 frequency band, the second candidate frequency band of the first communication card includes the n5 frequency band, the n8 frequency band, and the n28 frequency band; for example, the second communication card is registered in the n28 band, the second candidate band of the first communication card includes the n5 band, the n8 band, and the n28 band.
In some embodiments, after the performing the cell search operation, the method further includes:
determining at least one candidate cell meeting the residence condition from the searched at least one cell;
and taking the candidate cell with the strongest signal strength in the at least one candidate cell as the second suitable cell.
That is, at least one candidate cell satisfying the camping condition is determined from among the searched at least one cell, and then a second suitable cell is determined from among the at least one candidate cell satisfying the camping condition.
In some embodiments, the determining at least one candidate cell satisfying the camping condition from the searched at least one cell includes:
measuring the signal quality of the at least one cell to obtain a signal quality measurement index of the at least one cell; wherein the signal quality measurement index at least comprises reference signal receiving power and reference signal receiving quality;
the resident condition includes: the reference signal received power is greater than a received power threshold and the reference signal received quality is greater than a received quality threshold.
That is, the signal quality of the searched at least one cell is measured to obtain the reference signal receiving power and the reference signal receiving quality of the at least one cell; taking a cell with the reference signal receiving power of at least one cell larger than a receiving power threshold and the reference signal receiving quality larger than a receiving quality threshold as a candidate cell; if the number of the candidate cells is 1, the candidate reserved cell is used as a second suitable cell; and if the number of the candidate cells is greater than or equal to 2, selecting the candidate cell with the strongest signal strength from the candidate cells as a second suitable cell.
Step 304: and in the case that the second suitable cell is searched, the residence operation of the first communication card in the second suitable cell is executed.
In some embodiments, the performing the camping operation of the first communication card on the second suitable cell comprises:
transmitting, by the radio resource control layer, indication information including identification information of the second suitable cell to a non-access layer;
generating a network residence request of the first communication card in the second suitable cell according to the indication information through the non-access layer;
and sending the network residence request to network equipment through the radio resource control layer and the radio frequency control layer by the non-access layer, wherein the network residence request is used for indicating the network equipment to complete the network residence of the first communication card in the second suitable cell.
That is, the network equipment initiates the network residence request of the non-service card (i.e. the first communication card) to the network equipment through the non-access layer, so that the network equipment completes the network residence of the non-service card in the second suitable cell, the non-service card successfully returns to the network, and the terminal works in the DSDA state to realize the double-card double-standby double-pass function of the terminal.
The application discloses a communication method of a double-card double-standby double-pass terminal, wherein one communication card of the terminal is not served, and the other Zhang Tongxin card is served and is in an un-talking state, for the un-served card (namely, a first communication card), the cell search is preferentially carried out in a first candidate frequency band combined with a DSDA frequency band formed by the working frequency band of the served card (namely, a second communication card) through a first radio frequency resource, if a first proper cell is searched, the residence operation of the first communication card in the first proper cell is executed, so that the terminal is preferentially operated in the DSDA state, and the double-card double-standby double-pass function of the terminal is realized; if the first suitable cell is not searched, then carrying out cell search in a second candidate frequency band which does not form a DSDA frequency band combination with the working frequency band with the service card (namely the second communication card) through the second radio frequency resource, and if the second suitable cell is searched, executing the residence operation of the first communication card in the second suitable cell, so that the terminal works in a DSDS state.
In order to implement the method of the embodiment of the present application, based on the same inventive concept, the embodiment of the present application further provides a dual-card dual-standby dual-pass terminal communication device, and fig. 4 is a schematic diagram of a composition structure of the dual-card dual-standby dual-pass terminal communication device in the embodiment of the present application, and as shown in fig. 4, the dual-card dual-standby dual-pass terminal communication device 40 includes:
a processing unit 401, configured to execute, when a first communication card of the terminal is out of service and a second communication card is in service, a cell search operation under at least one first candidate frequency band of the first communication card by using a first radio frequency resource applied by a radio resource control layer; the first candidate frequency band is a frequency band combined with a double-card double-pass DSDA frequency band formed by the working frequency band of the second communication card; and under the condition that the first suitable cell is searched, executing the residence operation of the first communication card in the first suitable cell.
By adopting the technical scheme, for the service-free card (namely the first communication card) of the terminal, cell search is carried out in the first candidate frequency band combined with the DSDA frequency band formed by the working frequency band with the service card (namely the second communication card), so that the terminal works in the DSDA state, and the double-card double-standby double-pass function of the terminal is realized.
In some embodiments, the processing unit 401 is further configured to perform, when the first suitable cell is not searched and the second communication card is in an unvoiced state, a cell search operation under at least one second candidate frequency band of the first communication card by using the applied second radio frequency resource by the radio resource control layer; the second candidate frequency band is a frequency band which does not form a DSDA frequency band combination with the working frequency band of the second communication card; and executing the residence operation of the first communication card in the second suitable cell under the condition that the second suitable cell is searched.
In some embodiments, the processing unit 401 is further configured to receive, through the radio resource control layer, a dual-card service status sent by the radio frequency control layer; the dual-card service state is used for indicating whether the first communication card and the second communication card have service or not;
receiving a double-card call state sent by a non-access layer through the radio resource control layer; the dual-card call state is used for indicating whether the first communication card and the second communication card are in call or not.
In some embodiments, the processing unit 401 is further configured to send a radio frequency resource application request to a radio frequency control layer through the radio resource control layer;
receiving idle radio frequency resources returned by the radio frequency control layer when the radio frequency control layer responds to the radio frequency resource application request through the radio resource control layer; and taking the idle radio frequency resource as the first radio frequency resource.
In some embodiments, the processing unit 401 is further configured to determine at least one candidate cell that satisfies the camping condition from the searched at least one cell;
and taking the candidate cell with the strongest signal strength in the at least one candidate cell as the first suitable cell.
In some embodiments, the processing unit 401 is further configured to measure the signal quality of the at least one cell, to obtain a signal quality metric of the at least one cell; wherein the signal quality measurement index at least comprises reference signal receiving power and reference signal receiving quality;
the resident condition includes: the reference signal received power is greater than a received power threshold and the reference signal received quality is greater than a received quality threshold.
In some embodiments, the processing unit 401 is further configured to send, to a non-access stratum, indication information including identification information of the first suitable cell through the radio resource control layer;
generating a network residence request of the first communication card in the first proper cell according to the indication information through the non-access layer;
and sending the network residence request to network equipment through the radio resource control layer and the radio frequency control layer by the non-access layer, wherein the network residence request is used for indicating the network equipment to complete the network residence of the first communication card in the first proper cell.
The embodiment of the present application further provides another terminal, fig. 5 is a schematic diagram of a terminal composition structure in the embodiment of the present application, as shown in fig. 5, the terminal 50 includes: a processor 501 and a memory 502 configured to store a computer program capable of running on the processor;
wherein the processor 501 is configured to execute the method steps of the previous embodiments when running a computer program.
Of course, in actual practice, the various components in the terminal 50 are coupled together by a bus system 503, as shown in FIG. 5. It is understood that the bus system 503 is used to enable connected communication between these components. The bus system 503 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration the various buses are labeled as bus system 503 in fig. 5.
In practical applications, the processor may be at least one of an application specific integrated circuit (ASIC, application Specific Integrated Circuit), a digital signal processing device (DSPD, digital Signal Processing Device), a programmable logic device (PLD, programmable Logic Device), a Field-programmable gate array (Field-Programmable Gate Array, FPGA), a controller, a microcontroller, and a microprocessor. It will be appreciated that the electronics for implementing the above-described processor functions may be other for different devices, and embodiments of the present application are not particularly limited.
The Memory may be a volatile Memory (RAM) such as Random-Access Memory; or a nonvolatile Memory (non-volatile Memory), such as a Read-Only Memory (ROM), a flash Memory (flash Memory), a Hard Disk (HDD) or a Solid State Drive (SSD); or a combination of the above types of memories and provide instructions and data to the processor.
In an exemplary embodiment, the present application also provides a computer-readable storage medium storing a computer program.
Optionally, the computer readable storage medium may be applied to any one of the methods in the embodiments of the present application, and the computer program causes a computer to execute a corresponding flow implemented by a processor in each method in the embodiments of the present application, which is not described herein for brevity.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described as separate units may or may not be physically separate, and units 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 units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing module, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units. Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware associated with program instructions, where the foregoing program may be stored in a computer readable storage medium, and when executed, the program performs steps including the above method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, or the like, which can store program codes.
The methods disclosed in the method embodiments provided by the application can be arbitrarily combined under the condition of no conflict to obtain a new method embodiment.
The features disclosed in the several product embodiments provided by the application can be combined arbitrarily under the condition of no conflict to obtain new product embodiments.
The features disclosed in the embodiments of the method or the apparatus provided by the application can be arbitrarily combined without conflict to obtain new embodiments of the method or the apparatus.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The method for communication of the double-card double-standby double-pass terminal is characterized by comprising the following steps:
under the condition that a first communication card of the terminal is out of service and a second communication card is in service, executing cell searching operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through a radio resource control layer; the first candidate frequency band is a frequency band combined with a double-card double-pass DSDA frequency band formed by the working frequency band of the second communication card;
and under the condition that the first suitable cell is searched, executing the residence operation of the first communication card in the first suitable cell.
2. The method as recited in claim 1, further comprising:
under the condition that the first suitable cell is not searched and the second communication card is in an un-talking state, executing cell searching operation under at least one second candidate frequency band of the first communication card by using the applied second radio frequency resource through the radio resource control layer; the second candidate frequency band is a frequency band which does not form a DSDA frequency band combination with the working frequency band of the second communication card;
and executing the residence operation of the first communication card in the second suitable cell under the condition that the second suitable cell is searched.
3. The method according to claim 1 or 2, further comprising:
receiving the dual-card service state sent by the radio frequency control layer through the radio resource control layer; the dual-card service state is used for indicating whether the first communication card and the second communication card have service or not;
receiving a double-card call state sent by a non-access layer through the radio resource control layer; the dual-card call state is used for indicating whether the first communication card and the second communication card are in call or not.
4. The method as recited in claim 1, further comprising:
transmitting a radio frequency resource application request to a radio frequency control layer through the radio resource control layer;
receiving idle radio frequency resources returned by the radio frequency control layer when the radio frequency control layer responds to the radio frequency resource application request through the radio resource control layer; and taking the idle radio frequency resource as the first radio frequency resource.
5. The method of claim 1, wherein after performing the cell search operation, further comprising:
determining at least one candidate cell meeting the residence condition from the searched at least one cell;
and taking the candidate cell with the strongest signal strength in the at least one candidate cell as the first suitable cell.
6. The method of claim 5, wherein determining at least one candidate cell satisfying a camping condition from the searched at least one cell comprises:
measuring the signal quality of the at least one cell to obtain a signal quality measurement index of the at least one cell; wherein the signal quality measurement index at least comprises reference signal receiving power and reference signal receiving quality;
the resident condition includes: the reference signal received power is greater than a received power threshold and the reference signal received quality is greater than a received quality threshold.
7. The method of claim 1, wherein said performing a camping operation of the first communication card on the first suitable cell comprises:
transmitting, by the radio resource control layer, indication information including identification information of the first suitable cell to a non-access layer;
generating a network residence request of the first communication card in the first proper cell according to the indication information through the non-access layer;
and sending the network residence request to network equipment through the radio resource control layer and the radio frequency control layer by the non-access layer, wherein the network residence request is used for indicating the network equipment to complete the network residence of the first communication card in the first proper cell.
8. A dual-card dual-standby dual-pass terminal communication device, the device comprising:
the processing unit is used for executing cell search operation under at least one first candidate frequency band of the first communication card by using the applied first radio frequency resource through the radio resource control layer under the condition that the first communication card of the terminal is out of service and the second communication card is in service; the first candidate frequency band is a frequency band combined with a double-card double-pass DSDA frequency band formed by the working frequency band of the second communication card; and under the condition that the first suitable cell is searched, executing the residence operation of the first communication card in the first suitable cell.
9. A terminal, wherein the terminal electronic device comprises: a processor and a memory configured to store a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the method of any of claims 1 to 7 when the computer program is run.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any one of claims 1 to 7.
CN202310648578.7A 2023-06-01 2023-06-01 Dual-card dual-standby dual-pass terminal communication method and device Pending CN116600370A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310648578.7A CN116600370A (en) 2023-06-01 2023-06-01 Dual-card dual-standby dual-pass terminal communication method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310648578.7A CN116600370A (en) 2023-06-01 2023-06-01 Dual-card dual-standby dual-pass terminal communication method and device

Publications (1)

Publication Number Publication Date
CN116600370A true CN116600370A (en) 2023-08-15

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