CN108242991B - Multi-card service concurrency method and user equipment - Google Patents

Multi-card service concurrency method and user equipment Download PDF

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Publication number
CN108242991B
CN108242991B CN201611204314.9A CN201611204314A CN108242991B CN 108242991 B CN108242991 B CN 108242991B CN 201611204314 A CN201611204314 A CN 201611204314A CN 108242991 B CN108242991 B CN 108242991B
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sim
uplink data
uplink
priority
data
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CN108242991A (en
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王旭
刘继武
李记锋
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

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

Abstract

The embodiment of the invention discloses a multi-card service concurrency method and user equipment, wherein the method comprises the following steps: the method comprises the steps that User Equipment (UE) determines that uplink data needing to be transmitted exist in at least two Subscriber Identity Modules (SIM) in a plurality of SIM deployed in the UE, and the uplink data and the downlink data of each SIM in the at least two SIMs are transmitted in a coordinated mode based on a Time Division Duplex (TDD) technology or a Frequency Division Duplex (FDD) technology; and the UE transmits the uplink data of the SIM on the uplink transmission time interval TTI of each SIM in the at least two SIMs, and the uplink TTIs used for transmitting the uplink data of the at least two SIMs are not overlapped. By adopting the embodiment of the invention, the concurrence of the multi-card service can be ensured on the premise of not increasing the cost.

Description

Multi-card service concurrency method and user equipment
Technical Field
The invention relates to the technical field of computers, in particular to a multi-card service concurrency method and user equipment.
Background
Long Term Evolution (LTE) is mainly used for general data transmission services at present, and with the commercial and widespread use of Voice over LTE (Voice over LTE) and VT in the IMS in the LTE network, LTE will provide better Voice and video call services for people in the future. When a User uses a dual-card User Equipment (UE) (for example, a mobile phone with two Subscriber Identity modules (SIM, also called SIM cards) deployed therein), the two cards can both use LTE technology to develop services (for example, VoLTE, VT, etc.); when one card enters the industry, the other card can call in, and the user can then choose to answer or suspend the incoming call. At present, there are two main schemes for implementing the dual card service, and the two schemes are introduced below.
The first method comprises the following steps: as shown in fig. 1, two cards are schematically shown in fig. 1, which are respectively represented as SIM0 and SIM1, SIM0 and SIM1 respectively correspond to respective baseband Modem modules (modems), and each baseband Modem module corresponds to an independent Radio Frequency (RF) channel. However, each set of uplink radio frequency channel needs to be configured with an independent power amplifier module, so the cost is higher; in addition, the problem of cross-modulation interference caused by simultaneous transmission of two cards is difficult to solve, and the Over the Air Technology (OTA) performance of the user equipment is affected.
And the second method comprises the following steps: the method comprises the steps that the same uplink radio frequency channel is configured for two cards on user equipment, the service parallelism of the two cards is realized by adopting an LTE-Advanced technology, a Carrier Aggregation (CA) technology is introduced into the LTE-Advanced technology, and the two cards can respectively use different carriers to support the smooth operation of the service. This solution can then only be used in cells with CA deployment, which is often less and therefore more limited. In addition, a CA deployed in a cell is often provided by an operator, and if two cards do not belong to the operator at the same time, service concurrence of the two cards cannot be realized.
In summary, no matter the dual-card service concurrency is realized by deploying multiple sets of independent radio frequency channels, or the dual-card service concurrency is realized by adopting the CA technology, various limitations exist, and the development of the dual-card service concurrency is restricted.
Disclosure of Invention
The embodiment of the invention discloses a multi-card service concurrency method and user equipment, which can ensure multi-card concurrent service without increasing cost.
In a first aspect, an embodiment of the present invention provides a method for concurrent services of multiple cards, where the method includes: the method comprises the steps that User Equipment (UE) determines that uplink data needing to be transmitted exist in at least two Subscriber Identity Modules (SIM) in a plurality of SIM deployed in the UE, and the uplink data and the downlink data of each SIM in the at least two SIMs are transmitted in a coordinated mode based on a Time Division Duplex (TDD) technology or a Frequency Division Duplex (FDD) technology; and the UE transmits the uplink data of the SIM on the uplink transmission time interval TTI of each SIM in the at least two SIMs, and the uplink TTIs used for transmitting the uplink data of the at least two SIMs are not overlapped.
By executing the steps, the user equipment does not need to deploy extra power amplifiers to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on a time division multiplexing technology, specifically, for the uplink time division multiplexing of the dual cards, and for the downlink of the dual cards, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the at least two SIMs include a first SIM and a second SIM; the UE transmits uplink data of the SIM on the uplink TTI of each SIM of the at least two SIMs, including: determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM; comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data; and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM includes: comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data; if the target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, the priority of the target uplink data is marked as the highest priority, and the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
With reference to the first possible implementation manner of the first aspect or the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, if the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM, comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM; and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM includes: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time; if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
With reference to any one of the foregoing possible implementation manners of the first aspect, in a fifth possible implementation manner of the first aspect, the priority of the uplink data is determined by a type of information carried by the uplink data.
With reference to any one of the foregoing possible implementation manners of the first aspect, in a sixth possible implementation manner of the first aspect, the UE includes a main set antenna and a diversity antenna, and the method further includes: and the UE receives the downlink data of the first SIM through the main set antenna and receives the downlink data of the second SIM through the diversity antenna.
In a second aspect, an embodiment of the present invention provides a UE, where the UE includes a determining unit and a sending unit, where the determining unit is configured to determine that there is uplink data to be transmitted in at least two SIMs of multiple SIM identities deployed in the UE, and the uplink data and the downlink data of each SIM in the at least two SIMs are transmitted in a coordinated manner based on a TDD technology or an FDD technology; a sending unit, configured to transmit uplink data of the SIM on an uplink transmission time interval TTI of each of the at least two SIMs, where uplink TTIs for transmitting the uplink data of the at least two SIMs are not overlapped.
By operating the units, the user equipment does not need to deploy additional power amplifiers to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on a time division multiplexing technology, specifically to the uplink time division multiplexing of the dual cards, and to the downlink of the dual cards, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the at least two SIMs include a first SIM and a second SIM; the sending unit is specifically configured to: determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM; comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data; and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM specifically includes: comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data; when target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, the priority of the target uplink data is marked as the highest priority, and the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
With reference to the first possible implementation manner of the second aspect or the second possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the sending unit is further configured to: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM when the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM; and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
With reference to the third possible implementation manner of the second aspect, in a fourth possible implementation manner of the second aspect, the comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM includes: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time; if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
With reference to any one of the foregoing possible implementation manners of the second aspect, in a fifth possible implementation manner of the second aspect, the priority of the uplink data is determined by a type of information carried by the uplink data.
With reference to any one of the foregoing possible implementation manners of the second aspect, in a sixth possible implementation manner of the second aspect, the UE includes a main set antenna and a diversity antenna, and the UE further includes: and a receiving unit, configured to receive downlink data of the first SIM through the primary set antenna, and receive downlink data of the second SIM through the diversity antenna.
In a third aspect, an embodiment of the present invention provides a user equipment UE, where the user equipment UE includes a processor and a memory, where the memory is used to store programs and data, and the processor invokes the programs in the memory to perform the following operations: determining that uplink data to be transmitted exists in at least two SIMs of a plurality of user identity modules (SIMs) deployed in the SIM, wherein the uplink data and the downlink data of each SIM in the at least two SIMs are transmitted in a coordinated manner based on a Time Division Duplex (TDD) technology or a Frequency Division Duplex (FDD) technology; and transmitting the uplink data of the SIM on the uplink transmission time interval TTI of each SIM in the at least two SIMs, wherein the uplink TTIs used for transmitting the uplink data of the at least two SIMs are not overlapped.
By executing the operation, the user equipment does not need to deploy additional power amplifiers to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on the time division multiplexing technology, specifically, for the uplink time division multiplexing of the dual cards, and for the downlink of the dual cards, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
With reference to the third aspect, in a first possible implementation manner of the third aspect, the at least two SIMs include a first SIM and a second SIM; the processor transmits uplink data of the SIM in the uplink TTI of each of the at least two SIMs, specifically: determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM; comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data; and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
With reference to the first possible implementation manner of the third aspect, in a second possible implementation manner of the third aspect, the comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM specifically includes: comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data; if the target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, the priority of the target uplink data is marked as the highest priority, and the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
With reference to the first possible implementation manner of the third aspect or the second possible implementation manner of the third aspect, in a third possible implementation manner of the third aspect, the processor is further configured to compare the relative strength of the signal strength of the first SIM and the signal strength of the second SIM when the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM; and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
With reference to the third possible implementation manner of the third aspect, in a fourth possible implementation manner of the third aspect, the processor compares the relative strength of the signal strength of the first SIM and the signal strength of the second SIM, specifically: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time; if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
With reference to any one of the foregoing possible implementation manners of the third aspect, in a fifth possible implementation manner of the third aspect, the priority of the uplink data is determined by a type of information carried by the uplink data.
With reference to any one of the foregoing possible implementation manners of the third aspect, in a sixth possible implementation manner of the third aspect, the UE includes a main set antenna and a diversity antenna, and the processor is further configured to: and receiving downlink data of the first SIM through the main set antenna, and receiving downlink data of the second SIM through the diversity antenna.
By implementing the embodiment of the invention, the user equipment does not need to deploy additional power amplifiers to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on the time division multiplexing technology, specifically, for the uplink time division multiplexing of the dual cards, and for the downlink of the dual cards, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic diagram of a scenario of multi-card service concurrency in the prior art;
fig. 2 is a schematic structural diagram of a user equipment according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a service concurrency method according to an embodiment of the present invention;
fig. 4 is a schematic view of a scenario of contention based uplink data transmission according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another user equipment provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another user equipment according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings.
The User Equipment (UE) described in the embodiment of the present invention may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a Mobile Internet Device (MID), a wearable device (e.g., a smart watch (such as iWatch), a smart bracelet, a pedometer, etc.), or other devices that can perform wireless communication with a base station (e.g., a base station in LET, a base station eNB in the 4th Generation mobile communication technology (4G for short), a base station gNB in the fifth Generation mobile communication technology (5 th-Generation for short, 5G for short, etc.).
Referring to fig. 2, fig. 2 is a schematic structural diagram of a user equipment 20 according to an embodiment of the present invention. The user equipment 20 may be configured with a plurality of Subscriber Identity Modules (SIM), fig. 2 illustrates a case where two SIMs are deployed, and for convenience of differentiation, the two SIMs may be referred to as a SIM0 and a SIM1, where each of the SIM0 and the SIM1 corresponds to a respective Modem baseband Module (SIM Base Band), and each Modem baseband Module includes a Module related to Uplink (UL) transmission and a Module related to Downlink (DL) reception, for example, the Modem baseband Module may include a baseband uplink transmission Module (UL), a baseband downlink reception Module Main diversity Path (DL Main Path), and a downlink baseband reception Module downlink Path (DL diversity Path).
The UE is further configured with an uplink transmit arbiter (TX arbiter), a radio frequency chip transmit channel TX multiplexed by each baseband uplink transmit module, a radio frequency chip receive channel 0 main set RX0(M) exclusively owned by a baseband downlink receive module main set path of the SIM0, a radio frequency chip receive channel 1 main set RX1(M) exclusively owned by a baseband downlink receive module main set path of the SIM1, a radio frequency chip receive channel 0 diversity RX0(D) exclusively owned by a baseband downlink receive module diversity path of the SIM0, a radio frequency chip receive channel 1 diversity RX1(D) exclusively owned by a baseband downlink receive module diversity path of the SIM1, an antenna Switch (english: Switch, SW), a radio frequency transmit front-end module (english: RF transmit front-end module, for short: FEM), a radio frequency main set receive front-end module (RF: RX, for short: FEM (M)), for short, A radio frequency diversity receiving front-end module (RX FEM (D) for short), a main set antenna, a diversity antenna, etc. Wherein, TX, RX0(M), RX1(M), RX0(D) and RX1(D) can be integrated into a Radio Frequency Identification (RFID).
The main set antenna is connected to TX FEM and RX FEM (M) through a duplexer, the diversity antenna is connected to RX FEM (D), the RX FEM (M) and RX FEM (D) are both connected to the antenna switch, when only SIM0 is inserted in the UE, the RX FEM (M) is connected to RX0(M) by controlling the antenna switch, and the RX FEM (D) is connected to RX0 (D); when the SIM0 and the SIM1 are inserted in the UE, the RX FEM (M) is connected to RX0(M) and the RX FEM (D) is connected to RX1(D) by controlling the antenna switches, wherein RX0(D) and RX1(M) are both suspended by the antenna switches.
The input of the uplink transmission arbiter is connected with a baseband uplink transmission module of the SIM0 and a baseband uplink transmission module of the SIM1, the output of the uplink transmission arbiter is connected with the radio frequency chip transmission channel TX, each baseband uplink transmission module is controlled by the uplink transmission arbiter to be connected to the radio frequency chip transmission channel TX or not, and when the uplink transmission arbiter connects the baseband uplink transmission module of the SIM0 to the radio frequency chip transmission channel TX, the baseband uplink transmission module of the SIM1 can be controlled not to be connected with the radio frequency chip transmission channel TX; when the uplink transmission arbiter connects the baseband uplink transmission module of the SIM1 to the rf chip transmission channel TX, the baseband uplink transmission module of the SIM0 may be controlled not to be connected to the rf chip transmission channel TX. The rf chip transmit channel TX is connected to the TX FEM. The rf chip receive channel 0 main set RX0(M) is connected to the baseband downlink receive module main set path of the SIM0, the rf chip receive channel 1 main set RX1(M) is connected to the baseband downlink receive module main set path of the SIM1, the rf chip receive channel 0 diversity RX0(D) is connected to the baseband downlink receive module diversity path of the SIM0, and the rf chip receive channel 1 diversity RX1(D) is connected to the baseband downlink receive module diversity path of the SIM 1.
Referring to fig. 3, fig. 3 is a flowchart illustrating a method for concurrent multi-card services according to an embodiment of the present invention, and optionally, the method may be implemented based on the user equipment 20 shown in fig. 2, where the method includes, but is not limited to, the following steps.
Step S301: the user equipment UE determines that uplink data needing to be transmitted exists in at least two of a plurality of user identity modules SIM deployed in the user equipment UE.
Specifically, a plurality of subscriber identity modules SIMs are deployed on the UE, and the features of each SIM in the plurality of SIMs can refer to the description above regarding the SIM0 and the SIM1, that is, each SIM corresponds to a modem baseband module, and the description of the modem baseband module is not repeated here. Each SIM may perform a data service, which may be a VoLTE service, a VT service, a signaling service, a short message service, and so on. Because the uplink service of each SIM needs to be sent out through the master set antenna, and the UE cannot send uplink data from two SIMs through the master set antenna at the same time, the UE needs to determine whether at least two SIMs need to transmit uplink data currently, so as to coordinate the transmission of the uplink data of the two SIMs when it is determined that at least two SIMs need to transmit uplink data.
Step S302: and the UE transmits the uplink data of the SIM on the uplink transmission time interval TTI of each SIM in the at least two SIMs.
Specifically, the uplink data and the downlink data of each of the at least two SIMs are coordinated and transmitted based on a Time Division Duplexing (TDD) technology or a Frequency Division Duplexing (FDD) technology. Specifically, the embodiments of the present invention may use a Time Division Duplex (TDD) technique or a Frequency Division Duplex (FDD) technique to coordinate transmission of uplink data and downlink data. For example, the at least two SIMs may include the SIM0 and the SIM1, TDD technology or FDD technology may be adopted for the SIM0 to coordinate transmission of uplink data and downlink data, and TDD technology or FDD technology may be adopted for the SIM1 to coordinate transmission of uplink data and downlink data; typically, the techniques employed for coordinating upstream and downstream data transmissions for SIMs 0 and 1 are different if SIMs 0 and 1 belong to different operators, respectively. The TDD technology and the FDD technology have a common characteristic that uplink Transmission Time Intervals (TTIs) allocated by the two technologies for transmitting uplink data and downlink TTIs allocated for transmitting downlink data respectively occupy a certain proportion, for the uplink TTIs, a large part of TTIs in the uplink TTIs are not used for transmitting uplink data, and generally, if the uplink TTI transmits uplink data of one SIM, a part of uplink TTIs are in an idle state. The specific scheme is as follows:
in this embodiment, after it is determined that there is uplink data to be transmitted in each of the at least two SIMs, the UE receives the notification issued by the cell in real time and obtains the uplink TTI of each SIM through the notification, for example, the cell where the SIM0 resides may issue the notification in real time to notify the UE of the uplink TTI of the SIM0, and the cell where the SIM1 resides may issue the notification in real time to notify the UE of the uplink TTI of the SIM 1.
The UE sends the uplink data of the SIM at the uplink TTI of each SIM, and the UE needs to ensure that the sending of the uplink data of each SIM is not carried out at the same time, namely, the uplink TTIs used for transmitting the uplink data of each SIM are not overlapped, if the current uplink TTIs of the two SIMs are not at the same time, the sending of the uplink data of the two SIMs cannot be carried out at the same time; if the current TTIs of the two SIMs are at the same time, corresponding policies need to be configured to coordinate the uplink data of the two SIMs to determine which uplink data of the SIM is transmitted in the same TTI, and the decision about which uplink data of the SIM is transmitted at what time can be specifically performed by the transmission arbiter.
In an alternative, the at least two SIMs include a first SIM (which may be considered SIM0) and a second SIM (which may be considered SIM 1); the UE transmits uplink data of the SIM on the uplink TTI of each SIM in the at least two SIMs, which may specifically be: determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM; comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data; and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI. That is, if there is uplink data to be sent in both SIM0 and SIM1, and the current uplink TTI of SIM0 coincides with the current uplink TTI of SIM1, the priority of the uplink data of SIM0 and the priority of the uplink data of SIM1 may be compared, and after the comparison, the uplink data with high priority is sent in the coinciding uplink TTI, fig. 4 illustrates that 10 time periods are divided by time sequence, the length of each time period is equal to the length of 1 TTI, the TTI is divided into an uplink TTI (also referred to as UL TTI) and a downlink TTI (also referred to as DL TTI), assuming that the time period labeled 2 is the uplink TTI of SIM1 and is also the uplink TTI of SIM1, and the time period labeled 7 is the downlink TTI of SIM1, which may be used to receive the downlink data of SIM 1; if both the uplink data of the SIM0 and the uplink data of the SIM1 are to be transmitted in the time period labeled 2, then contention between two messages is involved, the uplink data successfully contended is transmitted in the TTI labeled 2, and the uplink data unsuccessfully contended is transmitted in the subsequent time period (and may be contended with other uplink data later). Optionally, the priority of the uplink data is determined by the type of information carried by the uplink data, how to divide the type of information is not limited herein, and preferably, the VoLTE data, the VT data, and the signaling belong to different types of data. In addition, the uplink data with low priority is the uplink data that has failed in contention based transmission, and the uplink data can be retransmitted by a Hybrid Automatic Repeat reQuest (HARQ) technology or retransmitted by a Radio Link Control (RLC) technology.
In another optional scheme, the comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM may specifically be: comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data; if the target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, the priority of the target uplink data is marked as the highest priority, and the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data. That is, if there is an uplink data whose priority is always weaker in the process of determining the priorities of multiple times, the priority of the uplink data may be set to be highest without exception, otherwise, the uplink data may not be sent, and it should be noted that "multiple times" here specifically refers to how many times can be configured in advance according to actual needs.
In yet another alternative, if the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM, comparing the relative strength of the signal strength of the first SIM with the signal strength of the second SIM; and transmitting uplink data of the SIM with stronger signal strength on the overlapped uplink TTI, specifically, the UE can measure the signal strength of each SIM in real time and compare the relative strength between the signal strengths of the SIMs based on the signal strength. If the signal strength of one SIM is strong, the probability that the uplink data of the SIM is successfully transmitted is also higher, so that if the priority is the same, the stronger the signal strength of which SIM is, the uplink data of the SIM is transmitted in the overlapped uplink TTI.
In another alternative, the comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM may specifically be: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time; if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times. That is to say, when some piece of uplink data is to be transmitted, if the signal strength of the SIM to which the piece of uplink data belongs is weaker than that of the other SIMs in the comparison process for many times, the piece of uplink data cannot be transmitted all the time, and in order to avoid this, the signal strength of the SIM to which the piece of uplink data belongs can be adjusted to be strongest, so that the piece of uplink data cannot be delayed indefinitely. It should be noted that "multiple times" herein specifically means how many times can be configured in advance according to actual needs.
In another optional scenario, the UE includes a main set antenna and a diversity antenna, and the method may further include: and the UE receives the downlink data of the first SIM through the main set antenna and receives the downlink data of the second SIM through the diversity antenna. That is, the main set antenna and the diversity antenna respectively undertake the task of receiving downlink data of one SIM, and this function can be realized by the antenna switch. Preferably, at the downlink TTI time of any one SIM, all other SIMs do not perform uplink data transmission.
In the method described in fig. 3, the user equipment does not need to deploy an additional power amplifier to support multiple radio frequency modules to work, but uses one radio frequency module to support multiple SIM concurrent services based on a time division multiplexing technology, specifically, for uplink time division multiplexing of a dual card, and for downlink of the dual card, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
While the method of the embodiments of the present invention has been described in detail above, to facilitate a better understanding of the above-described aspects of the embodiments of the present invention, the following provides a corresponding apparatus of the embodiments of the present invention.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a user equipment 50 according to an embodiment of the present invention, where the user equipment 50 may include a determining unit 501 and a sending unit 502, where the determining unit 501 is configured to determine that there is uplink data to be transmitted in at least two SIMs of a plurality of SIM identity modules deployed in the user equipment, and the uplink data and the downlink data of each SIM in the at least two SIMs are transmitted in a coordinated manner based on a time division duplex TDD technology or a frequency division duplex FDD technology; the sending unit 502 is configured to transmit uplink data of each SIM in the at least two SIMs at an uplink transmission time interval TTI, where uplink TTIs of the at least two SIMs for transmitting the uplink data are not overlapped.
By operating the units, the user equipment does not need to deploy additional power amplifiers to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on a time division multiplexing technology, specifically to the uplink time division multiplexing of the dual cards, and to the downlink of the dual cards, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
In an alternative, the at least two SIMs include a first SIM and a second SIM; the sending unit 502 is specifically configured to: determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM; comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data; and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
In another optional scheme, the comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM specifically includes: comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data; when target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, the priority of the target uplink data is marked as the highest priority, and the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
In yet another optional scenario, the sending unit 502 is further configured to: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM when the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM; and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
In yet another alternative, the comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM includes: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time; if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
In yet another alternative, the priority of the uplink data is determined by the type of information carried by the uplink data.
In another optional scenario, the UE includes a main set antenna and a diversity antenna, and the UE further includes: and a receiving unit, configured to receive downlink data of the first SIM through the primary set antenna, and receive downlink data of the second SIM through the diversity antenna.
It should be noted that the specific implementation of each unit may also correspond to the corresponding description of the method embodiment shown in fig. 3.
In the user equipment 50 depicted in fig. 5, the user equipment does not need to deploy an additional power amplifier to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on a time division multiplexing technology, specifically, for uplink time division multiplexing of a dual card, and for downlink of the dual card, receiving is performed by using a main set antenna and a diversity antenna respectively; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
Referring to fig. 6, fig. 6 is a user equipment 60 according to an embodiment of the present invention, where the user equipment 60 includes a processor 601 and a memory 602, and the processor 601 and the memory 602 are connected to each other through a bus.
The memory 602 includes, but is not limited to, Random Access Memory (RAM), Read Only Memory (ROM), erasable programmable read only memory (EPROM or flash memory), or portable read only memory (CD-ROM), the memory 602 being used for associated instructions and data.
The processor 601 may be one or more Central Processing Units (CPUs), and in the case that the processor 601 is one CPU, the CPU may be a single-core CPU or a multi-core CPU.
The processor 601 in the user equipment 60 is configured to read the program code stored in the memory 602, and perform the following operations: determining that uplink data to be transmitted exists in at least two SIMs of a plurality of user identity modules (SIMs) deployed in the SIM, wherein the uplink data and the downlink data of each SIM in the at least two SIMs are transmitted in a coordinated manner based on a Time Division Duplex (TDD) technology or a Frequency Division Duplex (FDD) technology; and transmitting the uplink data of the SIM on the uplink transmission time interval TTI of each SIM in the at least two SIMs, wherein the uplink TTIs used for transmitting the uplink data of the at least two SIMs are not overlapped.
By executing the operation, the user equipment does not need to deploy additional power amplifiers to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on the time division multiplexing technology, specifically, for the uplink time division multiplexing of the dual cards, and for the downlink of the dual cards, a main set antenna and a diversity antenna are respectively used for receiving; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
In an alternative, the at least two SIMs include a first SIM and a second SIM; the processor 601 transmits uplink data of the SIM on the uplink TTI of each SIM of the at least two SIMs, specifically: determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM; comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data; and when the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
In another alternative, the processor 601 compares the priority between the uplink data of the first SIM and the uplink data of the second SIM, specifically: comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data; when target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, the priority of the target uplink data is marked as the highest priority, and the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
In yet another alternative, when the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM, comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM; and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
In another alternative, the processor 601 compares the relative strength of the signal strength of the first SIM and the signal strength of the second SIM, specifically: comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time; when a target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
In yet another alternative, the priority of the uplink data is determined by the type of information carried by the uplink data.
In yet another alternative, the UE includes a main set antenna and a diversity antenna, and the processor 601 is further configured to receive downlink data of the first SIM through the main set antenna and receive downlink data of the second SIM through the diversity antenna.
It should be noted that the specific implementation of each operation may also correspond to the corresponding description of the method embodiment shown in fig. 3. In addition, the relevant features described in the user equipment 60 and the relevant features described in the user equipment 20 may also be combined to obtain a user equipment with more comprehensive features, as can be seen from the above description, the features described in the user equipment 20 mainly embody a hardware structure related to signal modulation, demodulation, reception, and transmission to support multi-card service concurrency, and the features described in the user equipment 60 mainly embody the processor 601 to execute relevant control to implement multi-card service concurrency; the user equipment that the features in the user equipment 20 and the features in the user equipment 60 are combined into is the user equipment that is preferably protected by the embodiments of the present invention.
In the user equipment 60 depicted in fig. 6, the user equipment does not need to deploy an additional power amplifier to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on a time division multiplexing technology, specifically, for uplink time division multiplexing of a dual card, and for downlink of the dual card, receiving is performed by using a main set antenna and a diversity antenna respectively; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
In summary, by implementing the embodiment of the present invention, the user equipment does not need to deploy an additional power amplifier to support a plurality of radio frequency modules to work, but uses one radio frequency module to support a plurality of SIM concurrent services based on a time division multiplexing technology, specifically, for uplink time division multiplexing of a dual card, and for downlink of the dual card, receiving is performed by using a main set antenna and a diversity antenna respectively; when the time division multiplexing technology is adopted, the characteristic that part of uplink TTI of one SIM is idle is fully considered, and the idle TTI of the part of uplink TTI which is also the uplink TTI of other SIMs is used for transmitting the uplink data of the other SIMs, so that the multi-SIM concurrent service is ensured, and the cost is saved.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. And the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above embodiments are only for illustrating the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and those skilled in the art can understand that all or part of the processes of the above embodiments can be implemented and equivalents thereof can be made according to the claims of the present invention, and still fall within the scope of the invention.

Claims (18)

1. A multi-card service concurrency method is characterized by comprising the following steps:
the method comprises the steps that User Equipment (UE) determines that uplink data needing to be transmitted exist in at least two Subscriber Identity Modules (SIM) in a plurality of SIM deployed in the UE, wherein the uplink data needing to be transmitted of the at least two SIM comprise service concurrent data, and the uplink data and the downlink data of each SIM in the at least two SIM are transmitted in a coordinated mode based on a Time Division Duplex (TDD) technology or a Frequency Division Duplex (FDD) technology;
and the UE transmits the uplink data of the SIM on the uplink transmission time interval TTI of each SIM in the at least two SIMs, the uplink TTIs used for transmitting the uplink data of the at least two SIMs are not overlapped, wherein the part of one SIM of the at least two SIMs is idle and is also the uplink TTI of other SIMs in the uplink TTI, and is used for transmitting the uplink data of the other SIMs.
2. The method of claim 1, wherein the at least two SIMs comprise a first SIM and a second SIM; the UE transmits uplink data of the SIM on the uplink TTI of each SIM in the at least two SIMs, and the method comprises the following steps:
determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM;
comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data;
and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
3. The method of claim 2, wherein comparing the priority between the upstream data of the first SIM and the upstream data of the second SIM comprises:
comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data;
if target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the priority of the target uplink data as the highest priority, wherein the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
4. A method according to claim 2 or 3, characterized in that:
if the priority of the uplink data of the first SIM is the same as the priority of the uplink data of the second SIM, comparing the relative strength of the signal strength of the first SIM with the signal strength of the second SIM;
and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
5. The method of claim 4, wherein comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM comprises:
comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time;
if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
6. The method according to any one of claims 2 to 5, wherein the priority of the uplink data is determined by the type of information carried by the uplink data.
7. The method of any of claims 2-6, wherein the UE comprises a main set antenna and a diversity antenna, the method further comprising:
and the UE receives the downlink data of the first SIM through the main set antenna and receives the downlink data of the second SIM through the diversity antenna.
8. The method according to any of claims 1-7, wherein the service concurrency data comprises data for VoLTE service.
9. A User Equipment (UE), comprising:
the device comprises a determining unit, a transmitting unit and a receiving unit, wherein the determining unit is used for determining that uplink data needing to be transmitted exists in at least two SIM in a plurality of user identity modules (SIM) deployed in the determining unit, the uplink data needing to be transmitted of the at least two SIM comprises service concurrent data, and the uplink data and the downlink data of each SIM in the at least two SIM are transmitted in a coordinated manner based on a Time Division Duplex (TDD) technology or a Frequency Division Duplex (FDD) technology;
a sending unit, configured to transmit uplink data of the SIM on an uplink transmission time interval TTI of each of the at least two SIMs, where uplink TTIs for transmitting the uplink data of the at least two SIMs are not overlapped, where a part of one SIM of the at least two SIMs is idle in the uplink TTI, is also an uplink TTI of another SIM, and is used to transmit the uplink data of the another SIM.
10. The user equipment of claim 9, wherein the at least two SIMs comprise a first SIM and a second SIM; the sending unit is specifically configured to:
determining that the uplink TTI nearest to the first SIM is coincident with the uplink TTI nearest to the second SIM;
comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM, wherein the uplink data is pre-associated with information for representing the priority of the uplink data;
and if the priority of the uplink data of the first SIM is different from the priority of the uplink data of the second SIM, transmitting the uplink data with higher priority on the overlapped uplink TTI.
11. The ue of claim 10, wherein the comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM is specifically:
comparing the priority between the uplink data of the first SIM and the uplink data of the second SIM according to the information for representing the priority of the uplink data;
when target uplink data exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the priority of the target uplink data as the highest priority, wherein the target uplink data is the uplink data with lower priorities compared with the priorities of other uplink data.
12. The ue of claim 10 or 11, wherein the sending unit is further configured to:
comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM when the priority of the uplink data of the first SIM and the priority of the uplink data of the second SIM are the same;
and transmitting the uplink data of the SIM with stronger signal strength on the overlapped uplink TTI.
13. The user equipment of claim 12, wherein the comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM comprises:
comparing the relative strength of the signal strength of the first SIM and the signal strength of the second SIM according to the signal strength of the first SIM and the signal strength of the second SIM measured in real time;
if the target SIM exists in the uplink data of the first SIM and the uplink data of the second SIM, marking the signal intensity of the target SIM as the highest intensity, wherein the target SIM is the SIM with weaker signal intensity comparison results when the uplink data is transmitted for multiple times.
14. The UE of any one of claims 10 to 13, wherein the priority of the uplink data is determined by a type of information carried by the uplink data.
15. The UE of any one of claims 10 to 14, wherein the UE comprises a main set antenna and a diversity antenna, and wherein the UE further comprises:
a receiving unit, configured to receive downlink data of the first SIM through the primary set antenna, and receive downlink data of the second SIM through the diversity antenna.
16. The user equipment according to any of claims 9-15, wherein the service concurrency data comprises data for VoLTE services.
17. An apparatus, characterized in that the apparatus comprises a processor and a memory for storing a computer program for implementing the method of any of claims 1-8 when the computer program is run on the processor.
18. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a computer program which, when run on a processor, implements the method of any of claims 1-8.
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