CN112752279B - Method, terminal device, apparatus and medium for supporting dual-card dual-standby communication - Google Patents
Method, terminal device, apparatus and medium for supporting dual-card dual-standby communication Download PDFInfo
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- CN112752279B CN112752279B CN201911055565.9A CN201911055565A CN112752279B CN 112752279 B CN112752279 B CN 112752279B CN 201911055565 A CN201911055565 A CN 201911055565A CN 112752279 B CN112752279 B CN 112752279B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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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
Abstract
The invention discloses a method, terminal equipment, a device and a medium for supporting dual-card dual-standby communication. The method for supporting dual-card dual-standby communication according to the embodiment comprises the following steps: the terminal equipment provided with the first card and the second card calculates the skipping duration according to the paging cycle of the second card and the parameter of the switching delay of the radio frequency front-end receiving device of the terminal equipment; the terminal equipment matches the corresponding positions of the first card network and the second card network in time synchronization according to the time of the first card entering the connection state, and obtains the initial position of the first card; the terminal equipment sends the skipping duration and the initial position to a first card network in the RRC connection process of the first card; and the first card network creates a scheduling template according to the skipping duration and the starting position, wherein the first card is not scheduled during each skipping duration, and the scheduling of the first card is started after the skipping duration is overtime.
Description
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a method, a terminal device, an apparatus, and a medium for supporting dual-card dual-standby communication.
Background
At present, most of dual-card (for example, a card a and a card B) dual-standby terminal devices, when the terminal device only has a single card, the card a is in a connected state to perform voice service, and the card B cannot monitor paging, which may cause missed call of the card B; when the terminal equipment has double receiving but is occupied by the card A to carry out service, the card B still cannot monitor paging, and the missed call of the card B can be caused.
Few schemes exist to monitor the paging of the card B when the card a is in a traffic state, but such implementation belongs to a private implementation of the terminal device and does not inform the card a network. The implementation scheme in the prior art is as follows:
1. when the card A is in a connection state to carry out voice or data service, the card B sends a page down;
2. the radio frequency front-end receiver of the terminal equipment directly leaves the card A under the condition of not informing the card A of the network, and sends front-end resources to the card B to monitor paging;
3. because the card a network does not sense that the radio frequency front end receiver of the terminal device leaves the network, downlink resources and issued data are still allocated to the card a, but the card a does not receive the resources, the allocated downlink network resources are wasted, the issued data are lost, the error rate is increased, and the card a network can misjudge the channel quality.
Since the rf front-end receiver of the terminal device leaves the fast a network, when the card B network monitors, the card a network still sends data to the card a, which causes waste of network resources, data loss, and affects the network channel measurement result, causing misjudgment of the network on the communication environment, thereby bringing unnecessary signaling overhead.
Disclosure of Invention
The invention provides an optimized dual-card dual-standby communication method and terminal equipment. When the front-end receiving resources of the terminal equipment are all occupied by the first card in the service state, the terminal equipment switches the radio frequency front-end receiving device to the second card for paging monitoring in a TDM (time division multiplexing) mode, at the moment, the terminal equipment can negotiate a scheduling template with the first card network according to parameters such as the paging cycle of the idle second card, the switching time delay of the receiving device and the like, and when the terminal equipment switches the radio frequency front-end receiving device to monitor the paging of the second card, the card A network skips the period of time according to the scheduling template without scheduling and data issuing, so that unnecessary network resource waste and signaling overhead are saved, and the card A network is helped to objectively evaluate the channel quality.
According to an aspect of the present invention, a method for supporting dual card dual standby communication is provided. The method comprises the following steps: the terminal equipment provided with the first card and the second card calculates the skipping duration according to the paging cycle of the second card and the switching time delay of the radio frequency front-end receiving device of the terminal equipment; the terminal equipment matches the corresponding positions of the first card network and the second card network in time synchronization according to the time of the first card entering the connection state, and obtains the initial position of the first card; the terminal equipment sends the skipping duration and the initial position to a first card network in the RRC connection process of the first card; and the first card network creates a scheduling template according to the skipping duration and the starting position, wherein the first card is not scheduled during each skipping duration, and the scheduling of the first card is started after the skipping duration is overtime.
According to one embodiment, the method further comprises the step that the first card network replies ACK to the terminal equipment when receiving the skipping duration and the starting position.
According to one embodiment, the method further comprises attempting to retransmit the skip duration and the start position to the first card network if the terminal device does not receive the ACK from the first card network until the number of retransmissions reaches a threshold or the ACK from the first card network is successfully received.
According to one embodiment, the step of calculating, by the terminal device, the skip time length according to the parameters including the paging cycle of the second card and the radio frequency front end receiver device switching delay of the terminal device includes: and the terminal equipment calculates the skipping duration according to the switching time delay of the radio frequency front-end receiver, the paging time slot of the second card and the paging decoding time of the second card.
According to one embodiment, the step of sending, by the terminal device, the skip duration and the start position to the first card network includes: and the terminal equipment sends the skipping duration and the starting position to the first card network by using RRC signaling or MAC CE.
According to another aspect of the present invention, a terminal device supporting dual card dual standby communication is provided, the terminal device being mounted with a first card and a second card. The terminal device includes: the calculation module is configured to calculate a skipping duration according to parameters including a paging cycle of the second card and a switching delay of a radio frequency front end receiver of the terminal device, and match a corresponding position of time synchronization of the first card network and the second card network according to time of the first card entering a connection state to obtain an initial position of the first card; and a sending module configured to send the skip duration and the start position to a first card network in an RRC connection procedure of the first card.
According to one embodiment, the terminal device further comprises a receiving module configured to receive the ACK from the first card network. And is provided with
According to one embodiment, the sending module is further configured to attempt to retransmit the skip duration and the starting position to the first card network if the receiving module does not receive the ACK from the first card network until the number of retransmissions reaches a threshold or the receiving module successfully receives the ACK from the first card network.
According to one embodiment, the calculation module is configured to calculate the skip duration according to parameters including a radio frequency front end receiver device switching delay of the terminal device, a paging slot of the second card, and a paging decoding time of the second card.
According to one embodiment, the transmission module is configured to transmit the skip duration and the start position to the first card network using RRC signaling or MAC CE.
According to still another aspect of the present invention, an apparatus for supporting dual card dual standby communication is provided. The device includes: a memory having computer-executable instructions stored thereon; and a processor coupled to the memory and executing the computer-executable instructions to implement the foregoing methods.
According to yet another aspect of the invention, a non-transitory computer-readable storage medium is presented having stored thereon computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the aforementioned method.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:
fig. 1 shows a schematic diagram of a scheduling model of a card a network and a terminal device according to an embodiment of the invention.
Fig. 2 shows a flow chart of the interaction of the terminal device with the card a network according to an embodiment of the invention.
Fig. 3 shows a block diagram of a terminal device supporting dual card dual standby communication according to an embodiment of the present invention.
Detailed Description
Representative applications of terminal devices and methods according to embodiments described herein are provided in this section. These examples are provided solely to add context and aid in the understanding of the described embodiments. It will thus be apparent to one skilled in the art that the embodiments of the present invention may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order to not unnecessarily obscure the embodiments of the invention. Other applications are possible, such that the following examples should not be considered limiting.
According to the embodiment of the invention, taking the terminal device equipped with the card a and the card B as an example, when the card a is prepared to enter the connected state from the idle state to carry out the service to initiate the RRC connection establishment process, the terminal device calculates the skip time length T according to the parameters of the paging monitoring period of the card B, the radio frequency front end device switching time delay of the terminal device, and the like, matches the corresponding positions of the time synchronization of the card a network and the card B network to confirm the initial subframe, sends the two parameters to the card a network, and the card a network negotiates with the terminal device to confirm a scheduling model according to the parameters.
And according to the scheduling model, when the radio frequency front end receiver of the terminal equipment leaves the card A and goes to the card B to monitor paging, the card A network skips the corresponding time slot without scheduling, does not issue data, and starts scheduling the card A after the skipping time T is over.
Because the card A network grasps the dynamic state of the terminal equipment, the terminal equipment does not send the resources to the card A when sending the front-end resources to the card B, thereby saving unnecessary network resource waste and helping the network to correctly evaluate the channel quality.
An optimized dual card dual standby solution according to an embodiment of the present invention will be described in detail below with reference to fig. 1-3.
Fig. 1 shows a schematic diagram of a scheduling model of a card a network and a terminal of an embodiment of the present invention.
As shown in fig. 1, during the period of monitoring paging by the rf front-end receiver of the terminal device, the card a network suspends the scheduling of the card a, and after the monitoring paging cycle of the card B ends, resumes the scheduling of the card a network to the card a, and continues to perform data transceiving.
The time at which the card a network suspends scheduling for card a is referred to herein as the Skiptimer T, which is defined as a function of the paging cycle of card B and the switching delay of the rf front-end receiving device of the terminal device in accordance with an embodiment of the present invention.
According to one embodiment, where no page is heard during the paging cycle of card B, skipier T = the switching delay of the radio frequency front end receiver x 2+ paging slot (PO) of card B on the pdcch channel.
According to another embodiment, where a page is monitored during the paging cycle of card B, skipier T = the switching delay of the radio frequency front end receiver x 2+ paging slot (PO) on the pdcch channel of card B + paging decode time on the PDSCH channel.
According to some embodiments of the present invention, referring to the practice of 3GPP, some typical fixed values are defined and the terminal device selects the closest value as the value of the skip timer T to be reported to the card a network.
According to the embodiment of the invention, the terminal equipment can obtain the initial position of the card A by synchronizing the frame structures of the card A and the card B and matching the corresponding positions of the time synchronization of the card A network and the card B network according to the time of the card A entering the connection state.
Fig. 2 shows a flowchart of the interaction between the terminal device and the card a network according to the embodiment of the present invention.
Step 101, the terminal device equipped with the card a and the card B is started, and the card a and the card B are respectively connected to the card a network and the card B network through network. At this time, both the card a and the card B are in the idle state.
In step 102, card a enters a traffic state from an idle state, for example, due to MT or MO traffic.
And 103, the terminal equipment calculates a skip timer T according to parameters such as the paging cycle of the card B, the switching delay of the radio frequency front end receiving device and the like, and matches the corresponding positions of the network time synchronization of the card A and the card B according to the time when the card A enters the connection state, so as to obtain the initial position of the card A.
According to some embodiments, the closest value may also be selected as the skip timer T by the terminal device by configuring some fixed values with reference to 3 GPP.
And step 104, the terminal equipment sends the skiptimer T and the start position to the card A network in the RRC connection establishment process of the card A.
According to one embodiment, the terminal device may send the skip timer T and the start position to the card a network through RRC signaling.
According to another embodiment, the terminal device may send the skitim T and the start position to the card a network through the MAC CE.
And 105, if the card A network receives the parameter skip timer T and the initial position, replying to the terminal equipment ACK, and creating a scheduling template according to the two parameters.
If the terminal equipment does not receive the ACK, the terminal equipment tries to continuously retransmit the skip timer T and the initial position to the card A network until a preset threshold value N is reached or the ACK is successfully received.
And step 106, the card A network skips the skimmimer T duration in each discontinuous reception DRX period according to the scheduling template, does not schedule the card A during the skimmimer T duration and does not send data until the skimmimer T is overtime and then starts to schedule the card A.
In step 104, the skip timer T may be calculated based on the paging slot (PO) of the card B on the PDCCH channel, the time for paging and decoding on the PDSCH channel, the switching delay of the rf front-end receiver, and the like, where the switching delay T1 of the rf front-end receiver needs to be doubled (once for all).
The dual-card single-receiving terminal equipment and the dual-card dual-receiving terminal equipment (both dual-receiving are occupied by the card A in the service state) are both in the protection scope of the invention.
Fig. 3 shows a block diagram of a terminal device supporting dual-card dual-standby communication according to an embodiment of the present invention. And the terminal equipment is internally provided with a card A and a card B.
As shown in fig. 3, the terminal device includes a calculating module and a sending module.
According to one embodiment, the calculation module may be configured to calculate the skip time according to parameters such as a paging cycle of the card B and a radio frequency front end receiver switching delay of the terminal device, and obtain the start position of the card a by matching a corresponding position of the card a network and the card B network time synchronization according to a time when the card a enters the connection state.
According to one embodiment, the sending module may be configured to send the skip duration and the start position to the card a network during RRC connection of card a.
The terminal device may further include a receiving module configured to receive the ACK from the card a network.
According to one embodiment, the sending module may be further configured to, if the receiving module does not receive the ACK from the card a network, attempt to retransmit the skip duration and the start position to the card a network until the number of retransmissions reaches a threshold or the receiving module successfully receives the ACK from the card a network.
According to one embodiment, the calculation module may be further configured to calculate the skip duration according to parameters including a radio frequency front end receiver device handover delay of the terminal device, a paging slot of the card B on the PDCCH, and a time of page decoding on the PDSCH of the card B.
According to one embodiment, the transmitting module may be further configured to transmit the skip duration and the start position to the card a network using RRC signaling or MAC CE.
The unit of the DRX period is generally in the second level, the typical values are 1.28s and 2.56s, the switching time delay of the radio frequency front end receiver device of the terminal equipment for switching to and from the card B to monitor the paging, and the time period skiptimer T of the card B to monitor the paging and the paging decoding are added to have the time period of tens of ms or even hundreds of ms, namely, the resources of the network scheduling card A of the card A of tens of ms or even hundreds of ms are wasted and the data is lost every few seconds, and the unnecessary network resource waste can be effectively saved through the method.
Meanwhile, the most outstanding problems of the dual-card terminal equipment are that the behavior of the terminal equipment is large, the network does not know that the terminal is out of synchronization with the network, so that the problems of channel quality misjudgment, inconsistent state and the like are caused, and potential network signaling storm risks are easily brought.
Some of the functions described above may be comprised of instructions stored on a storage medium (e.g., a computer-readable medium). The instructions may be retrieved and executed by a processor. Some examples of storage media are memory devices, tape, disks, and so forth. The instructions, when executed by the processor, are adapted to direct the processor to operate in accordance with the techniques. Those skilled in the art are familiar with instruction, processor(s), and storage media.
Computer program code for carrying out operations corresponding to aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer (as a stand-alone software package), partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The corresponding structures, materials, acts, and equivalents of all means or step plus function elements in the claims below are intended to include any structure, material, or act for performing the function in combination with other claimed elements as specifically claimed. The foregoing description of the present invention has been presented for purposes of illustration and description and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will occur to those skilled in the art without departing from the scope and spirit of the invention. The foregoing exemplary embodiments were chosen and described in order to best explain the principles of the technology and its practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Aspects of the present invention are described above with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable medium that can direct a computer, other programmable data processing apparatus, or other devices to function in a particular manner, such that the instructions stored in the computer-readable medium produce an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide processes for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and various combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
While various embodiments have been described above, it should be understood that they have been presented by way of example only, and not limitation. The foregoing description is not intended to limit the scope of the technology to the particular forms set forth herein. Thus, the breadth and scope of a preferred embodiment should not be limited by any of the above-described exemplary embodiments. It is to be understood that the foregoing description is intended to be illustrative and not restrictive. On the contrary, the description of the invention is intended to cover such alternatives, modifications and equivalents, which may be included within the spirit and scope of the technique as defined by the appended claims and otherwise recognized by those skilled in the art. The scope of the technology should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims along with their full scope of equivalents.
Claims (11)
1. A method of supporting dual card dual standby communication, comprising:
the terminal equipment provided with the first card and the second card calculates the skipping duration according to the paging cycle of the second card and the parameter of the switching delay of the radio frequency front-end receiving device of the terminal equipment;
the terminal equipment matches the corresponding positions of the first card network and the second card network in time synchronization according to the time of the first card entering the connection state, and obtains the initial position of the first card;
the terminal equipment sends the skipping duration and the initial position to a first card network in the RRC connection process of the first card; and
and the first card network creates a scheduling template according to the skipping duration and the starting position, wherein the first card is not scheduled in each skipping duration, and the scheduling of the first card is started after the skipping duration is overtime.
2. The method of claim 1, further comprising:
and the first card network replies ACK to the terminal equipment when receiving the skipping duration and the initial position.
3. The method of claim 2, further comprising:
if the terminal device does not receive the ACK from the first card network, the terminal device attempts to retransmit the skip duration and the start position to the first card network until the number of retransmissions reaches a threshold or the ACK from the first card network is successfully received.
4. The method of claim 1, wherein the terminal device calculating the skip duration according to the parameters including the paging cycle of the second card and the rf front end receiver device switching delay of the terminal device comprises:
the terminal device calculates the skipping duration according to parameters including the switching time delay of the radio frequency front end receiver, the paging time slot of the second card and the paging decoding time of the second card.
5. The method of claim 1, wherein the terminal device sending the skip duration and the starting location to a first card network comprises:
and the terminal equipment sends the skipping duration and the starting position to the first card network by using RRC signaling or MAC CE.
6. A terminal equipment supporting dual-card dual-standby communication is provided, the terminal equipment is provided with a first card and a second card, and the terminal equipment comprises:
the calculation module is configured to calculate a skipping time length according to parameters including a paging cycle of the second card and a switching time delay of a radio frequency front end receiver of the terminal device, and match a corresponding position of time synchronization of the first card network and the second card network according to time of the first card entering a connection state to obtain an initial position of the first card; and
a sending module configured to send the skip duration and the start position to a first card network in an RRC connection procedure of the first card.
7. The terminal device of claim 6, further comprising:
a receiving module configured to receive an ACK from the first card network; and is
The sending module is further configured to: if the receiving module does not receive the ACK from the first card network, the skipping duration and the starting position are tried to be retransmitted to the first card network until the retransmission times reach a threshold value or the receiving module successfully receives the ACK from the first card network.
8. The terminal device of claim 6, wherein the calculation module configured to calculate the skip duration based on parameters including a paging cycle of the second card and a radio frequency front end receiver device switching latency of the terminal device comprises:
the calculation module is configured to calculate the skip duration according to parameters including a radio frequency front end receiver device switching delay of the terminal device, a paging slot of the second card, and a paging decoding time of the second card.
9. The terminal device of claim 6, wherein the transmitting module is configured to transmit the skip duration and the start position to the first card network using RRC signaling or MAC CE.
10. An apparatus supporting dual card dual standby communication, comprising:
a memory having computer-executable instructions stored thereon; and
a processor coupled to the memory and executing the computer-executable instructions to implement the method of any of claims 1-5.
11. A non-transitory computer-readable storage medium having stored thereon computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the method of any one of claims 1-5.
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