CN107809736B - Dual-card terminal and data transmission method thereof - Google Patents
Dual-card terminal and data transmission method thereof Download PDFInfo
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- CN107809736B CN107809736B CN201610811705.0A CN201610811705A CN107809736B CN 107809736 B CN107809736 B CN 107809736B CN 201610811705 A CN201610811705 A CN 201610811705A CN 107809736 B CN107809736 B CN 107809736B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- 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
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- 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
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Abstract
The embodiment of the invention provides a dual-card terminal and a data transmission method thereof, wherein the dual-card terminal comprises: the terminal comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring network mode information of a first card and a second card of the terminal, and the network mode information represents the information of operators to which the first card and the second card belong; the first protocol stack module is used for transmitting first data sent or received by the first card when the network mode information of the first card is the same as that of the second card; the second protocol stack module is used for transmitting second data sent or received by the second card when the network mode information of the first card and the second card is the same; and the aggregation module is used for aggregating the first data transmitted by the first protocol stack module and the second data transmitted by the second protocol stack module and transmitting the aggregated data to the physical layer for transmission. The scheme of the invention realizes a double-card access mechanism under a single channel, thereby ensuring that a user can insert two cards of the same operator on a terminal and can simultaneously realize online, and ensuring the normal operation of respective services.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a dual card terminal and a data transmission method thereof.
Background
With the development of society, people are communicating with each other in work and life more and more frequently. Meanwhile, people have higher and higher requirements for communication and communication equipment. To meet such a requirement, mobile phone manufacturers have introduced a dual-card dual-standby mobile phone. The dual-card dual-standby mobile phone is provided with a dual-Subscriber Identity Module (SIM) card. The dual cards may be two SIM cards in the same network mode, or two SIM cards in different network modes.
Currently, for a terminal supporting dual cards, dual LTE (long term evolution) and dual channels, both the primary and secondary cards need to have 4G multimode capability and radio frequency dual channel capability. One card supports one radio frequency channel, and the scheme has high cost and complex design of the radio frequency channel.
Disclosure of Invention
The invention provides a dual-card terminal and a communication method thereof. The dual-card access mechanism under a single channel on the same frequency point is realized, so that the two cards of the same operator are inserted into the terminal by a user, and can be simultaneously online, and the normal operation of respective services is ensured.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a dual card terminal comprising:
the terminal comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring network mode information of a first card and a second card of the terminal, and the network mode information represents the information of operators to which the first card and the second card belong;
the first protocol stack module is used for transmitting first data sent or received by the first card when the network mode information of the first card is the same as that of the second card;
the second protocol stack module is used for transmitting second data sent or received by the second card when the network mode information of the first card and the network mode information of the second card are the same;
and the aggregation module is used for aggregating the first data transmitted by the first protocol stack module and the second data transmitted by the second protocol stack module, and transmitting the aggregated data to a physical layer for transmission.
And the first protocol stack module and the second protocol stack module receive the same frequency point of the operators to which the first card and the second card belong.
Wherein the first protocol stack module comprises: a first non-access stratum (NAS);
a first radio resource control layer RRC communicatively connected to the first non-access stratum NAS;
a first packet data convergence control layer PDCP in communication connection with the first radio resource control layer RRC;
a first radio link control layer (RLC) which is in communication connection with the first radio resource control layer (RRC) and is in communication connection with the first packet data convergence control layer (PDCP);
a first media access control layer MAC in communication connection with the first radio resource control layer RRC and in communication connection with the first radio link control layer RLC;
a first L1 configuration and measurement layer in RRC communication connection with the first radio resource control layer and in MAC communication connection with a first medium access control layer;
the first IP module is in communication connection with the first packet data convergence control layer PDCP and is used for controlling a user plane;
and the first L1 configuration and measurement layer and the first MAC layer are both communicatively coupled to the aggregation module.
Wherein the second protocol stack module comprises: a second non-access stratum (NAS);
a second radio resource control layer RRC communicatively connected to the second non-access stratum NAS;
a second packet data convergence control layer PDCP in communication connection with the second radio resource control layer RRC;
a second radio link control layer RLC in communication with the second radio resource control layer RRC and in communication with the second packet data convergence control layer PDCP;
a second media access control layer MAC in communication connection with the second radio resource control layer RRC and in communication connection with the second radio link control layer RLC;
a second L1 configuration and measurement layer in RRC communication connection with the second radio resource control layer and in MAC communication connection with a second medium access control layer;
the second IP module is in communication connection with the second packet data convergence control layer PDCP and is used for controlling the user plane;
and the second L1 configuration and measurement layer and the second MAC layer are both communicatively coupled to the aggregation module.
Wherein the aggregation module comprises:
an L1 configuration and measurement aggregation module, configured to obtain first sub-data transmitted by the first L1 configuration and measurement layer and second sub-data transmitted by the second L1 configuration and measurement layer, and aggregate the first sub-data and the second sub-data;
the MAC PDU aggregation module is used for acquiring third subdata transmitted by the first media access control layer MAC and fourth subdata transmitted by the second media access control layer MAC and aggregating the data; wherein the first data comprises: the first sub data and the third sub data, the second data including: the second sub data and the fourth sub data.
The embodiment of the invention also provides a data transmission method of the dual-card terminal, which comprises the following steps:
acquiring network mode information of a first card and a second card of a terminal, wherein the network mode information represents the information of operators to which the first card and the second card belong;
when the network mode information of the first card and the second card is the same, transmitting first data sent or received by the first card through a first protocol stack module, and transmitting second data sent or received by the second card through a second protocol stack module;
and aggregating the first data and the second data, and transmitting the aggregated data to a physical layer for transmission.
And the first protocol stack module and the second protocol stack module receive the same frequency point of the operators to which the first card and the second card belong.
Wherein the first protocol stack module comprises: a first non-access stratum (NAS);
a first radio resource control layer RRC communicatively connected to the first non-access stratum NAS;
a first packet data convergence control layer PDCP in communication connection with the first radio resource control layer RRC;
a first radio link control layer (RLC) which is in communication connection with the first radio resource control layer (RRC) and is in communication connection with the first packet data convergence control layer (PDCP);
a first media access control layer MAC in communication connection with the first radio resource control layer RRC and in communication connection with the first radio link control layer RLC;
a first L1 configuration and measurement layer in RRC communication connection with the first radio resource control layer and in MAC communication connection with a first medium access control layer;
the first IP module is in communication connection with the first packet data convergence control layer PDCP and is used for controlling a user plane;
and the first L1 configuration and measurement layer and the first MAC layer are both communicatively coupled to the aggregation module.
Wherein the second protocol stack module comprises: a second non-access stratum (NAS);
a second radio resource control layer RRC communicatively connected to the second non-access stratum NAS;
a second packet data convergence control layer PDCP in communication connection with the second radio resource control layer RRC;
a second radio link control layer RLC in communication with the second radio resource control layer RRC and in communication with the second packet data convergence control layer PDCP;
a second media access control layer MAC in communication connection with the second radio resource control layer RRC and in communication connection with the second radio link control layer RLC;
a second L1 configuration and measurement layer in RRC communication connection with the second radio resource control layer and in MAC communication connection with a second medium access control layer;
the second IP module is in communication connection with the second packet data convergence control layer PDCP and is used for controlling the user plane;
and the second L1 configuration and measurement layer and the second MAC layer are both communicatively coupled to the aggregation module.
The step of aggregating the first data transmitted by the first protocol stack module and the second data transmitted by the second protocol stack module, and transmitting the aggregated data to the physical layer for transmission includes:
acquiring first subdata transmitted by the first L1 configuration and measurement layer and second subdata transmitted by the second L1 configuration and measurement layer, and aggregating the first subdata and the second subdata;
acquiring third subdata transmitted by the first media access control layer MAC and fourth subdata transmitted by the second media access control layer MAC, and aggregating the third subdata and the fourth subdata; wherein the first data comprises: the first sub data and the third sub data, the second data including: the second sub data and the fourth sub data;
and transmitting the aggregated data to a physical layer for transmission.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the network mode information of the first card and the second card of the terminal is obtained, and the network mode information represents the information of the operators to which the first card and the second card belong; when the network mode information of the first card and the second card is the same, transmitting first data sent or received by the first card through a first protocol stack module, and transmitting second data sent or received by the second card through a second protocol stack module; and aggregating the first data and the second data, and transmitting the aggregated data to a physical layer for transmission. Therefore, two different 4G cards of the same operator are achieved, the LTE virtual aggregation module is introduced based on a single-channel LTE terminal, a double-LTE protocol stack is adopted, a double-card LTE virtual access mechanism under an LTE single channel on the same frequency point is achieved, and therefore the situation that a user can simultaneously perform online operation and the normal operation of respective services are guaranteed if the user inserts the two different 4G cards of the same operator is guaranteed.
Drawings
FIG. 1 is a block diagram of a dual card terminal of the present invention;
FIG. 2 is a block diagram of a dual protocol stack of the dual card terminal of the present invention;
fig. 3 is a detection flowchart of the dual-card terminal of the present invention for detecting whether dual cards belong to the same operator;
fig. 4 is a flowchart of a data transmission method of a dual card terminal according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Aiming at the problems that in the prior art, the simultaneous online of double cards is supported through the radio frequency double-channel capability and the cost is high, the embodiment of the invention is based on a single-channel LTE terminal, an LTE virtual aggregation module is introduced, and a double LTE protocol stack is adopted to realize a double-card LTE virtual access mechanism under an LTE single channel on the same frequency point, so that the simultaneous online of two different 4G cards of the same operator can be ensured if a user inserts the two cards, and the normal operation of respective services is ensured.
As shown in fig. 1, an embodiment of the present invention provides a dual card terminal, including:
the terminal comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring network mode information of a first card and a second card of the terminal, and the network mode information represents the information of operators to which the first card and the second card belong; for convenience of description, the network mode information in the embodiment of the present invention may include, for example, a 2G network mode (GSM), a Wideband Code Division Multiple Access (WCDMA), a Code division Multiple Access (CDMA 2000), a time division-synchronous Code division Multiple Access (TD-SCDMA), or an LTE (long term evolution) system, i.e., a 4G network, and further, the network mode information may further include which operator's network mode is, e.g., mobile 4G.
The first protocol stack module is used for transmitting first data sent or received by the first card when the network mode information of the first card is the same as that of the second card; in the embodiment of the invention, the first card and the second card can be SIM cards, and both the first card and the second card support an LTE network (4G network);
the second protocol stack module is used for transmitting second data sent or received by the second card when the network mode information of the first card and the network mode information of the second card are the same;
and the aggregation module is used for aggregating the first data transmitted by the first protocol stack module and the second data transmitted by the second protocol stack module, and transmitting the aggregated data to a physical layer for transmission.
In the embodiment, based on a single-channel LTE terminal, the LTE virtual aggregation module is introduced, and a double LTE protocol stack is adopted, so that a double-card LTE virtual access mechanism under an LTE single channel on the same frequency point is realized, and therefore, if a user inserts two different 4G cards of the same operator, the user can be on line at the same time, and the normal operation of respective services is ensured.
In a specific embodiment of the present invention, the first protocol stack module and the second protocol stack module receive a same frequency point of an operator to which the first card and the second card belong. For example, the first card and the second card access the same frequency point of the same operator through respective independent protocol stacks.
As shown in fig. 2, a schematic diagram of a dual LTE protocol stack that supports dual-sim-dual-pass and introduces an LTE virtual aggregation module is shown:
the first protocol stack module includes: a first non-access stratum (NAS);
a first radio resource control layer RRC communicatively connected to the first non-access stratum NAS;
a first packet data convergence control layer PDCP in communication connection with the first radio resource control layer RRC;
a first radio link control layer (RLC) which is in communication connection with the first radio resource control layer (RRC) and is in communication connection with the first packet data convergence control layer (PDCP);
a first media access control layer MAC in communication connection with the first radio resource control layer RRC and in communication connection with the first radio link control layer RLC;
a first L1 configuration and measurement layer in RRC communication connection with the first radio resource control layer and in MAC communication connection with a first medium access control layer;
the first IP module is in communication connection with the first packet data convergence control layer PDCP and is used for controlling a user plane;
and the first L1 configuration and measurement layer and the first MAC layer are both communicatively coupled to the aggregation module.
The second protocol stack module includes: a second non-access stratum (NAS);
a second radio resource control layer RRC communicatively connected to the second non-access stratum NAS;
a second packet data convergence control layer PDCP in communication connection with the second radio resource control layer RRC;
a second radio link control layer RLC in communication with the second radio resource control layer RRC and in communication with the second packet data convergence control layer PDCP;
a second media access control layer MAC in communication connection with the second radio resource control layer RRC and in communication connection with the second radio link control layer RLC;
a second L1 configuration and measurement layer in RRC communication connection with the second radio resource control layer and in MAC communication connection with a second medium access control layer;
the second IP module is in communication connection with the second packet data convergence control layer PDCP and is used for controlling the user plane;
and the second L1 configuration and measurement layer and the second MAC layer are both communicatively coupled to the aggregation module.
Wherein the aggregation module comprises:
an L1 configuration and measurement aggregation module, configured to obtain first sub-data transmitted by the first L1 configuration and measurement layer and second sub-data transmitted by the second L1 configuration and measurement layer, and aggregate the first sub-data and the second sub-data;
the MAC PDU aggregation module is used for acquiring third subdata transmitted by the first media access control layer MAC and fourth subdata transmitted by the second media access control layer MAC and aggregating the third subdata and the fourth subdata; wherein the first data comprises: the first sub data and the third sub data, the second data including: the second sub data and the fourth sub data; specifically, during the aggregation processing, the first sub-data and the second sub-data are aggregated, and the third sub-data and the fourth sub-data are aggregated.
As shown in fig. 3, when detecting whether the network mode information of the first card and the second card is the same, the following procedure may be adopted to perform the detection:
detecting whether the double cards belong to the same operator;
if the double cards belong to the same operator, detecting whether the double cards both support the LTE network; if the double cards do not belong to the same operator, other double card mechanisms are adopted;
if the dual cards both support the LTE network, a dual-card LTE virtual access mechanism is adopted, and if the dual cards do not both support the LTE network, other dual-card mechanisms are adopted.
As shown in fig. 2 again, the implementation procedure of the dual-card LTE virtual access mechanism includes:
when the dual cards belong to the same operator at the same time and both support the LTE network, an LTE protocol stack 1 (corresponding to the first protocol stack module) corresponds to the first card 1, and an LTE protocol stack 2 (corresponding to the second protocol stack module) corresponds to the second card 2.
The LTE virtual aggregation sublayer (corresponding to the aggregation module) ensures that the first card 1 and the second card 2 access the same frequency point of the same operator through respective independent protocol stacks.
The LTE virtual aggregation sublayer analyzes the L1 configuration and measurement transmitted by the LTE protocol stack 1 and the LTE protocol stack 2 to form a uniform L1 configuration and measurement instruction, aggregates the different transmitted MAC PDUs, and transmits the MAC PDUs to the physical layer uniformly.
Meanwhile, different data are processed through different LTE protocol stacks aiming at the data received by the physical layer.
The embodiment of the invention is based on the single-channel LTE terminal, and can realize simultaneous access of double-card double-LTE under the LTE single channel on the appointed frequency point, thereby providing a low-cost and high-efficiency solution of double-card double-LTE double-pass.
As shown in fig. 4, an embodiment of the present invention further provides a data transmission method for a dual-card terminal, including:
and 43, aggregating the first data and the second data, and transmitting the aggregated data to a physical layer for transmission.
In the embodiment, based on a single-channel LTE terminal, the LTE virtual aggregation module is introduced, and a double LTE protocol stack is adopted, so that a double-card LTE virtual access mechanism under an LTE single channel on the same frequency point is realized, and therefore, if a user inserts two different 4G cards of the same operator, the user can be on line at the same time, and the normal operation of respective services is ensured.
And the first protocol stack module and the second protocol stack module receive the same frequency point of the operators to which the first card and the second card belong.
Wherein the first protocol stack module comprises: a first non-access stratum (NAS);
a first radio resource control layer RRC communicatively connected to the first non-access stratum NAS;
a first packet data convergence control layer PDCP in communication connection with the first radio resource control layer RRC;
a first radio link control layer (RLC) which is in communication connection with the first radio resource control layer (RRC) and is in communication connection with the first packet data convergence control layer (PDCP);
a first media access control layer MAC in communication connection with the first radio resource control layer RRC and in communication connection with the first radio link control layer RLC;
a first L1 configuration and measurement layer in RRC communication connection with the first radio resource control layer and in MAC communication connection with a first medium access control layer;
the first IP module is in communication connection with the first packet data convergence control layer PDCP and is used for controlling a user plane;
and the first L1 configuration and measurement layer and the first MAC layer are both communicatively coupled to the aggregation module.
Wherein the second protocol stack module comprises: a second non-access stratum (NAS);
a second radio resource control layer RRC communicatively connected to the second non-access stratum NAS;
a second packet data convergence control layer PDCP in communication connection with the second radio resource control layer RRC;
a second radio link control layer RLC in communication with the second radio resource control layer RRC and in communication with the second packet data convergence control layer PDCP;
a second media access control layer MAC in communication connection with the second radio resource control layer RRC and in communication connection with the second radio link control layer RLC;
a second L1 configuration and measurement layer in RRC communication connection with the second radio resource control layer and in MAC communication connection with a second medium access control layer;
the second IP module is in communication connection with the second packet data convergence control layer PDCP and is used for controlling the user plane;
and the second L1 configuration and measurement layer and the second MAC layer are both communicatively coupled to the aggregation module.
Wherein step 43 comprises:
step 431, acquiring data transmitted by the first L1 configuration and measurement layer and the second L1 configuration and measurement layer, and aggregating the data;
step 432, acquiring data transmitted by the first media access control layer MAC and the second media access control layer MAC, and aggregating the data; wherein the first data comprises: the first sub data and the third sub data, the second data including: the second sub data and the fourth sub data; during specific aggregation processing, the first subdata and the second subdata are subjected to aggregation processing, and the third subdata and the fourth subdata are subjected to aggregation processing;
and 433, transmitting the aggregated data to a physical layer for transmission.
The embodiment of the invention is based on a single-channel LTE terminal, introduces the aggregation module, and can realize simultaneous access of double-card double-LTE under an LTE single channel on a designated frequency point, thereby providing a low-cost and high-efficiency solution of double-card double-LTE double-pass.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A dual card terminal, comprising:
the terminal comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring network mode information of a first card and a second card of the terminal, and the network mode information represents the information of operators to which the first card and the second card belong;
the first protocol stack module is used for transmitting first data sent or received by the first card when the network mode information of the first card is the same as that of the second card;
the second protocol stack module is used for transmitting second data sent or received by the second card when the network mode information of the first card and the network mode information of the second card are the same;
and the aggregation module is used for aggregating the first data transmitted by the first protocol stack module and the second data transmitted by the second protocol stack module to form a uniform L1 configuration and measurement instruction and a uniform media access control layer packet data unit (MAC PDU), and transmitting the aggregated data to a physical layer for transmission.
2. The dual-card terminal of claim 1, wherein the first protocol stack module and the second protocol stack module receive a same frequency point of an operator to which the first card and the second card belong.
3. The dual-card terminal of claim 1, wherein the first protocol stack module comprises: a first non-access stratum (NAS);
a first radio resource control layer RRC communicatively connected to the first non-access stratum NAS;
a first packet data convergence control layer PDCP in communication connection with the first radio resource control layer RRC;
a first radio link control layer (RLC) which is in communication connection with the first radio resource control layer (RRC) and is in communication connection with the first packet data convergence control layer (PDCP);
a first media access control layer MAC in communication connection with the first radio resource control layer RRC and in communication connection with the first radio link control layer RLC;
a first L1 configuration and measurement layer in RRC communication connection with the first radio resource control layer and in MAC communication connection with a first medium access control layer;
the first IP module is in communication connection with the first packet data convergence control layer PDCP and is used for controlling a user plane;
and the first L1 configuration and measurement layer and the first MAC layer are both communicatively coupled to the aggregation module.
4. The dual-card terminal according to claim 3, wherein the second protocol stack module comprises: a second non-access stratum (NAS);
a second radio resource control layer RRC communicatively connected to the second non-access stratum NAS;
a second packet data convergence control layer PDCP in communication connection with the second radio resource control layer RRC;
a second radio link control layer RLC in communication with the second radio resource control layer RRC and in communication with the second packet data convergence control layer PDCP;
a second media access control layer MAC in communication connection with the second radio resource control layer RRC and in communication connection with the second radio link control layer RLC;
a second L1 configuration and measurement layer in RRC communication connection with the second radio resource control layer and in MAC communication connection with a second medium access control layer;
the second IP module is in communication connection with the second packet data convergence control layer PDCP and is used for controlling the user plane;
and the second L1 configuration and measurement layer and the second MAC layer are both communicatively coupled to the aggregation module.
5. The dual-card terminal of claim 4, wherein the aggregation module comprises:
an L1 configuration and measurement aggregation module, configured to obtain first sub-data transmitted by the first L1 configuration and measurement layer and second sub-data transmitted by the second L1 configuration and measurement layer, and aggregate the first sub-data and the second sub-data;
the MAC PDU aggregation module is used for acquiring third subdata of the first media access control layer MAC and fourth subdata transmitted by the second media access control layer MAC and aggregating the data;
wherein the first data comprises: the first subdata and the third subdata; the second data includes: the second sub data and the fourth sub data.
6. A data transmission method of a dual-card terminal is characterized by comprising the following steps:
acquiring network mode information of a first card and a second card of a terminal, wherein the network mode information represents the information of operators to which the first card and the second card belong;
when the network mode information of the first card and the second card is the same, transmitting first data sent or received by the first card through a first protocol stack module, and transmitting second data sent or received by the second card through a second protocol stack module;
and aggregating the first data and the second data to form a uniform L1 configuration and measurement instruction and a uniform media access control layer packet data unit (MAC PDU), and transmitting the aggregated data to a physical layer for transmission.
7. The data transmission method of the dual-card terminal according to claim 6, wherein the first protocol stack module and the second protocol stack module receive a same frequency point of an operator to which the first card and the second card belong.
8. The data transmission method of the dual-card terminal according to claim 6, wherein the first protocol stack module includes: a first non-access stratum (NAS);
a first radio resource control layer RRC communicatively connected to the first non-access stratum NAS;
a first packet data convergence control layer PDCP in communication connection with the first radio resource control layer RRC;
a first radio link control layer (RLC) which is in communication connection with the first radio resource control layer (RRC) and is in communication connection with the first packet data convergence control layer (PDCP);
a first media access control layer MAC in communication connection with the first radio resource control layer RRC and in communication connection with the first radio link control layer RLC;
a first L1 configuration and measurement layer in RRC communication connection with the first radio resource control layer and in MAC communication connection with a first medium access control layer;
the first IP module is in communication connection with the first packet data convergence control layer PDCP and is used for controlling a user plane;
and the first L1 configuration and measurement layer and the first MAC layer are both communicatively coupled to the aggregation module.
9. The data transmission method of the dual-card terminal according to claim 8, wherein the second protocol stack module includes: a second non-access stratum (NAS);
a second radio resource control layer RRC communicatively connected to the second non-access stratum NAS;
a second packet data convergence control layer PDCP in communication connection with the second radio resource control layer RRC;
a second radio link control layer RLC in communication with the second radio resource control layer RRC and in communication with the second packet data convergence control layer PDCP;
a second media access control layer MAC in communication connection with the second radio resource control layer RRC and in communication connection with the second radio link control layer RLC;
a second L1 configuration and measurement layer in RRC communication connection with the second radio resource control layer and in MAC communication connection with a second medium access control layer;
the second IP module is in communication connection with the second packet data convergence control layer PDCP and is used for controlling the user plane;
and the second L1 configuration and measurement layer and the second MAC layer are both communicatively coupled to the aggregation module.
10. The data transmission method of the dual-card terminal according to claim 9, wherein the step of aggregating the first data transmitted by the first protocol stack module and the second data transmitted by the second protocol stack module and transmitting the aggregated data to a physical layer for transmission comprises:
acquiring first subdata transmitted by the first L1 configuration and measurement layer and second subdata transmitted by the second L1 configuration and measurement layer, and aggregating the first subdata and the second subdata;
acquiring third subdata transmitted by the first media access control layer MAC and fourth subdata transmitted by the second media access control layer MAC, and aggregating the third subdata and the fourth subdata; wherein the first data comprises: the first subdata and the third subdata; the second data includes: the second subdata and the fourth subdata;
and transmitting the aggregated data to a physical layer for transmission.
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| CN108616870B (en) * | 2018-05-10 | 2021-09-07 | 中国联合网络通信集团有限公司 | Method and device for identifying terminal customized preferentially |
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