CN107087057A - Data transmission system and method - Google Patents

Data transmission system and method Download PDF

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Publication number
CN107087057A
CN107087057A CN201710204469.0A CN201710204469A CN107087057A CN 107087057 A CN107087057 A CN 107087057A CN 201710204469 A CN201710204469 A CN 201710204469A CN 107087057 A CN107087057 A CN 107087057A
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China
Prior art keywords
application processor
timer
sent
packet
value
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Granted
Application number
CN201710204469.0A
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Chinese (zh)
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CN107087057B (en
Inventor
汪重庆
汤少华
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Xinyi Moore Network Technology Co., Ltd
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Nubia Technology Co Ltd
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Priority to CN201710204469.0A priority Critical patent/CN107087057B/en
Publication of CN107087057A publication Critical patent/CN107087057A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72484—User interfaces specially adapted for cordless or mobile telephones wherein functions are triggered by incoming communication events
    • 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
    • H04W8/20—Transfer of user or subscriber 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
    • H04W8/20—Transfer of user or subscriber data
    • H04W8/205—Transfer to or from user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a kind of data transmission system and method, this method is applied to mobile terminal and the external equipment being connected by preset interface with mobile terminal, mobile terminal includes the first application processor, the first modem for being embedded with virtual user identifying card, the first timer and entity user identification card, and external equipment includes the second application processor, second modem and the second timer；Instruction is sent when the second application processor in wake-up states detects data, and when detecting the packet for not existing in preset interface and being in transmission state, initializes the second timer；When the value of the second timer is equal to or more than the first preset time, packet to be sent is sent to the first application processor in wake-up states by the second application processor by preset interface.The present invention is realized in mobile terminal realizes double LTE communication function courses by external equipment, improves the accuracy rate of the packet transmitted by mobile terminal identification external equipment.

Description

Data transmission system and method
Technical field
The present invention relates to communication technical field, more particularly to a kind of data transmission system and method.
Background technology
With the development of mobile communication technology, increasing mobile terminal such as smart mobile phone has the work(of double card bilateral Can so that user realize speech business it is standby simultaneously, data service link can be set up.Existing mobile terminal can be realized Two SIM (Subscriber Identity Module, subscriber identification card) cards are surfed the Net simultaneously, but an if SIM 4G (the 4th Generation Mobile Communication Technology, forth generation mobile communication skill on card Art), such as LTE (Long Term Evolution, Long Term Evolution), another card can only go up 3G (3rd Generation, 3rd generation mobile communication technology) network or 2G (2-Generation wireless telephone technology, Two generation mobile communication technical specifications), i.e. two SIM cards can not use 4G networks simultaneously.Because two cards in mobile terminal are complete When opening, only one card is to use 4G networks, and another card can only use 2G or 3G network, cause data in mobile terminal to transmit It is less efficient.If two SIM cards will use 4G networks simultaneously, it is necessary to two modems, and there was only one in mobile terminal Individual modem.
Therefore, it is mobile to improve data transmission efficiency in order that two SIM cards in mobile terminal support double LTE simultaneously Terminal can be connected with external equipment and (be provided with modem in the external equipment), so that two SIM cards pair of mobile terminal Different modems are answered, so as to realize double LTE communication functions.
But, current mobile terminal and external equipment are carried out in transmission of data packets, if external equipment is whole to movement Hold the speed of transmission packet too fast, multiple identification of data packets that mobile terminal can send external equipment are a packet, Data interaction between mobile terminal and external equipment is caused the situation of identification mistake occur.
The content of the invention
It is a primary object of the present invention to propose a kind of data transmission system and method, it is intended to solve mobile terminal pass through it is outer Connect equipment to realize in double LTE communication function courses, the skill of identification mistake occurs in data interaction between mobile terminal and external equipment Art problem.
To achieve the above object, a kind of data transmission system that the present invention is provided, the data transmission system includes movement Terminal and external equipment, the mobile terminal are connected by preset interface with the external equipment, and the mobile terminal includes the One application processor, the first modem for being embedded with virtual user identifying card, the first timer and with described first adjust Modulator-demodulator connection entity user identification card, the external equipment include the second application processor, second modem and Second timer；
Second application processor, detects data transmission instruction, and detect described for working as in wake-up states When there is no the packet in transmission state in preset interface, second timer is initialized；When second timer Value be equal to or more than the first preset time when, by the preset interface by packet to be sent be sent in wake up shape First application processor of state.
Alternatively, second application processor be additionally operable to ought in a dormant state, and receive data interaction request when, Enter wake-up states from the resting state, detection bag is sent to first application processor by the preset interface, and Initialize second timer；When the value of second timer is equal to or more than the second preset time, detect whether Detect data and send instruction.
Alternatively, first application processor is additionally operable to when receiving the detection bag in a dormant state, according to The detection bag enters the wake-up states from the resting state, and initializes first timer；When the described first meter When device value when being equal to or more than three preset time, receive the packet to be sent, and handle described to be sent Packet, wherein, the difference between second preset time and the 3rd preset time is equal to or less than default value.
Alternatively, first application processor is additionally operable to judge whether the value of first timer is equal to or more than 3rd preset time；If the value of first timer is less than the 3rd preset time, and receives the data to be sent Bag, then abandon the packet to be sent.
Alternatively, second application processor is additionally operable to when the value of second timer is less than the described 3rd and preset Between when, interval preset duration after again by the preset interface send it is described detection bag to first application processor.
In addition, to achieve the above object, the present invention also proposes a kind of data transmission method, the data transmission method application In mobile terminal and the external equipment being connected with the mobile terminal by preset interface, the mobile terminal includes first should With processor, the first modem for being embedded with virtual user identifying card, the first timer and with first modulatedemodulate The entity user identification card of device connection is adjusted, the external equipment includes the second application processor, second modem and second Timer；
Instruction is sent when second application processor in wake-up states detects data, and is detected described default When there is no the packet in transmission state in interface, second timer is initialized；
When the value of second timer is equal to or more than the first preset time, second application processor passes through Packet to be sent is sent to first application processor in wake-up states by the preset interface.
Alternatively, it is described to send instruction, and inspection when second application processor in wake-up states detects data Measure in the preset interface when there is no the packet in transmission state, the step of initializing second timer it Before, in addition to：
When second application processor in a dormant state, and second application processor receive data interaction please When asking, second application processor enters wake-up states from the resting state, and detection bag is sent by the preset interface To first application processor, and initialize second timer；
When the value of second timer is equal to or more than the second preset time, the second application processor detection Whether detect data and send instruction.
Alternatively, second application processor enters wake-up states from the resting state, passes through the preset interface After the step of detection bag is sent to first application processor, and initializes second timer, in addition to：
When first application processor in a dormant state receives the detection bag, the first application processing Device enters the wake-up states according to the detection bag from the resting state, and initializes first timer；
Packet to be sent is sent in wake-up states by second application processor by the preset interface After the step of first application processor, in addition to：
When the value of first timer is equal to or more than three preset time, first application processor The packet to be sent is received, and handles the packet to be sent, wherein, second preset time and described 3rd pre- If the difference between the time is equal to or less than default value.
Alternatively, when the value of first timer is equal to or more than three preset time, described first should Before the step of packet to be sent being received with processor, and handles the packet to be sent, in addition to：
First application processor judges whether the value of first timer is equal to or more than the 3rd preset time；
If the value of first timer is less than the 3rd preset time, and first application processor receives institute Packet to be sent is stated, first application processor then abandons the packet to be sent.
Alternatively, second application processor enters wake-up states from the resting state, passes through the preset interface After the step of detection bag is sent to first application processor, and initializes second timer, in addition to：
When the value of second timer is less than three preset time, second application processor is pre- at interval If sending the detection bag to first application processor again by the preset interface after duration.
The present invention provides a kind of data transmission system and method, and the data transmission method is applied to mobile terminal and logical The external equipment that preset interface is connected with the mobile terminal is crossed, the mobile terminal includes the first application processor, is embedded with The first modem, the first timer and the entity user being connected with the first modem of virtual user identifying card Identification card, the external equipment includes the second application processor, second modem and the second timer；When in wake-up shape Second application processor of state detects data and sends instruction, and detects in the preset interface in the presence of in transmission During the packet of state, second timer is initialized；Preset when the value of second timer is equal to or more than first During the time, packet to be sent is sent to the institute in wake-up states by second application processor by the preset interface State the first application processor.Realize mobile terminal to realize in double LTE communication function courses by external equipment, work as preset interface In do not exist in transmission state packet when, only the second timer value be equal to or more than the first preset time When, the second application processor just sends packet to be sent and is sent to the first application processor.Avoid mobile terminal and external Equipment is in transmission of data packets, if external equipment is too fast to the speed of mobile terminal transmission packet, mobile terminal meeting Multiple identification of data packets that external equipment is sent are that the situation of a packet occurs, and improve mobile terminal and recognize external set The accuracy rate of standby transmitted packet.
Brief description of the drawings
Fig. 1 is the schematic diagram of the LTE network framework of one embodiment of the invention；
Fig. 2 is mobile terminal and a kind of hardware architecture diagram of external equipment communication connection in the embodiment of the present invention；
Fig. 3 is mobile terminal and a kind of entity structure diagram schematic diagram of external equipment communication connection in the embodiment of the present invention；
Fig. 4 be the embodiment of the present invention between the first application processor and the second application processor data transfer the first Schematic diagram；
Fig. 5 is in the embodiment of the present invention second of data transfer between the first application processor and the second application processor Schematic diagram；
Fig. 6 is one kind of data transfer is shown between the first modem and second modem in the embodiment of the present invention It is intended to；
Fig. 7 is the schematic flow sheet of data transmission method first embodiment of the present invention；
Fig. 8 is the schematic flow sheet of data transmission method second embodiment of the present invention；
Fig. 9 be the embodiment of the present invention between the first application processor and the second application processor data transfer the third Schematic diagram；
Figure 10 is the schematic flow sheet of data transmission method fourth embodiment of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be explained referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Describe to realize the mobile terminal of each embodiment of the invention referring now to accompanying drawing.In follow-up description, use For represent element such as " module ", " part " or " unit " suffix only for be conducive to the present invention explanation, itself Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Fig. 1 is the schematic diagram of the LTE network framework of one embodiment of the invention.The LTE network framework of one embodiment of the invention Including：One or more mobile terminals (user equipment, UE) 100, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, the UMTS Terrestrial radio access network of evolution) (non-label in figure), evolution point Group core (EPC) (non-label in figure), home subscriber servers (HSS) 107, network (for example, internet) (non-label in figure) And circuit switching system (non-label in figure).
E-UTRAN includes evolution B node (eNodeB) 101 and other eNodeB 102.ENodeB 101 is provided towards shifting The user plane of dynamic terminal 100 and the protocol terminations of chain of command.ENodeB 101 can be connected to other eNodeB via X2 interface. ENodeB 101 is alternatively referred to as base station, base transceiver station, radio base station, wireless set, transceiver function, basic service Collection, extended service set or some other suitable terms.ENodeB 101 is that mobile terminal 1 00 provides the access for going to EPC Point.
ENodeB 101 is connected to EPC by S1 interfaces.EPC includes mobile management entity (EEM) 104, other moving tubes Manage entity 106, gateway 103, and packet data network (PDN) gateway 105.Mobile management entity 104 is processing movement The control node of signaling between terminal 100 and EPC.Mobile management entity 104 provides carrying and connection management.All User IPs Packet is transmitted by gateway 103, and gateway 103 is itself coupled to PDN Gateway 105.PDN Gateway 105 provides UE IP Address is distributed and other functions.PDN Gateway 105 is connected to network, for example, internet.
Circuit switching system includes interaction solution module (IWS) 108, mobile switching centre (MSC) 109, base station 110 With movement station 111.In one aspect, circuit switching system can pass through IWS and MME (Mobility Management Entity, mobile management entity) communicated with EPS (Evolved Packet System, the grouping system of evolution).
Fig. 2 is mobile terminal and a kind of hardware architecture diagram of external equipment communication connection in the embodiment of the present invention. In the embodiment of the present invention, mobile terminal 1 00 is connected by preset interface with external equipment 200.Mobile terminal 1 00 is included at first Reason chip 001 and the first radio-frequency module 12 being connected with the first process chip 001.Wherein, the first process chip 001 includes first Application processor (Application Processor) 10, the first modem 11 being connected with entity user identification card 14 (modem1), RPM (Resource Power Manager, resource power supervisor) 15 and the first timer 16, the first modulation Demodulator 11 is embedded with virtual user identifying card 13, and entity user identification card 14 is SIM card.External equipment 200 is included at second Reason chip 002 and the second radio-frequency module 22 being connected with second processing chip 002.Wherein, second processing chip 002 includes second Application processor 20, the timer 26 of second modem (modem2) 21 and second.
The inner frame of first application processor 10 and the second application processor 20 includes application layer, ccf layer etc., can locate Manage the logical operation of complexity and carry out task distribution etc..In embodiments of the present invention, application processor refers to Android operations system System, and the various apk (Android Package, Android installation kit) based on Android operation system.First application processing The application processor 20 of device 10 and second is realized by preset interface and connected, and provides the user interactive interface, the behaviour that user is inputted (for example, the operational order for the relevant startup video calling that user is inputted by user interface) is instructed to be transferred to the first modulatedemodulate Device 11 or second modem 21 are adjusted, to realize the definition and transmission of data between two application processors, for example, carrying out two Control of chip boot sequence the etc. when dormancy of individual application processor, wake-up, synchronous control, switching on and shutting down.
First application processor 10 is connected by preset interface with the second application processor 20, to realize mobile terminal 1 00 With the connection between external equipment 200.In an embodiment of the present invention, preset interface is USB (Universal Serial Bus, USB).USB is multiplexed out three data passages, is respectively used at the first application processor 10 and the second application The interaction of user data, signaling data and SIM card authorization data between reason device 20.That is the first application processor 10 and the second application Processor 20 passes through USB transmission user data, signaling data and SIM card authorization data.Wherein, user data includes but is not limited to The data that online is produced, picture and chat message data；Signaling data includes but is not limited to the control data of switching on and shutting down, and switch flies The control data of row mode, the control data of dispaly state signal；SIM card authorization data includes but is not limited to IMSI (International Mobile Subscriber Identification Number, international mobile subscriber identity) and Ki (key identifier, KI).
Specifically, the first application processor 10 and the second application processor 20 enter line number by OTG (On-The-Go) technology According to interaction.By OTG technologies, the first modem 11 in mobile terminal 1 00 can pass through entity user identification card 14 or void Intend the SIM card parameter in Subscriber Identity Module 13 to access eNodeB 101, second modem 21 can be known by entity user Not Ka 14 or the SIM card parameter of virtual user identifying card 13 access eNodeB 101, SIM card parameter includes but is not limited to SIM Card authorization data.
The protocol stack of the network formats of first modem 11 and second modem 21 comprising various network interactions, Protocol stack includes LTE/WCDMA (Wideband Code Division Multiple Access, WCDMA)/GSM (Global System for Mobile Communication, global system for mobile communications)/TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, synchronous time division CDMA)/CDMA (Code Division Multiple Access, CDMA)/EDGE (Enhanced Data Rate for GSM Evolution, strong type Data for GSM Evolution) etc. protocol code as defined in inside communication standard.Mobile terminal 1 00 is led to Agreement is crossed to interact with carrier network, that is, carry out data traffic online, VOLTE (Voice Over LTE) make a phone call or Make a phone call in CS (Circuit Switched, circuit switching) domain.First modem 11 and second modem 21 may be used also Management and control etc. is carried out to SIM card.
First modem 11 is embedded with virtual user identifying card 13, virtual user identifying card 13 include memory module and Virtual chip operating system (VCOS, Virtual Chip Operating System), the memory module can be EFS (Encrypting File System, encrypted file system), memory module is used for the authentication for storing virtual user identifying card 13 Data.
First radio-frequency module 12 is transmitted to (the base station nets of eNodeB 101 after being used for the data processing of transmitting mobile terminal 1 00 Network), and for being transmitted to mobile terminal 1 00 after the data processing of transmitting eNodeB 101.Second radio-frequency module 22 is used for will ENodeB 101 (base station network) is transmitted to after the data processing that external equipment 200 is transmitted, and for eNodeB 101 to be transmitted Data processing after be transmitted to external equipment 200.Wireless access skill involved by first radio-frequency module 12 and the second radio-frequency module 22 Art can include LTE, GSM, GPRS (General Packet Radio Service, general packet radio service), CDMA, EDGE, WLAN (Wireless Local Area Networks, WLAN), CDMA-2000, TD-SCDMA, WCDMA, WIFI (Wireless Fidelity, Wireless Fidelity) etc..
Entity user identification card 14 is connected with the first modem 11.Entity user identification card 14 and Virtual User identification Card 13 can store the user profile associated with similar and different technical standard, for providing mobile communication business (CS voices Business, PS data services and PS speech businesses) needed for related data, and in its storage inside user profile, short message, execution Authentication arithmetic and generation cryptographic keys etc..In specific non-limiting examples, technical standard can be the 2G communication technologys, for example, GSM, EDGE), the 3G communication technologys (for example, WCDMA, TD-SCDMA), the 4G communication technologys (for example, LTE), or any other movement The communication technology (for example, 4G etc.).
When virtual user identifying card 13 needs to carry out network registry, sent by Wireless Fidelity (WIFI) network of unlatching The corresponding cloud server of virtual user identifying card 13 is downloaded request to comprising service menu data, to be obtained from cloud server Take the data message of virtual user identifying card 13.When getting the data message of virtual user identifying card 13, by data message In the memory module for writing virtual user identifying card 13, to realize the network registry of virtual user identifying card 13.Wherein, data are believed Breath can include：IMSI, Ki (key identifier, KI), ICCID (Integrated Circuit Card Identifier), PIN (personal identification number, Personal Identification Number), PUK (PIN Unlocking Key).It is understood that storing the card number resource of each operator in cloud server.
Because current mobile terminal 1 00 only has a set of radio-frequency module, when mobile terminal 1 00 has two Subscriber Identity Modules When, two Subscriber Identity Modules of mobile terminal 1 00 are the relation of time-sharing multiplex using the set radio-frequency module, can not be accounted for simultaneously With.For example, in two Subscriber Identity Module standard-sized sheets, wherein a Subscriber Identity Module only handles GSM calls, and another user knows The 4G network informations Ka not be handled, which specific Subscriber Identity Module performs which kind of network, does not limit herein.Therefore current radio frequency This framework of module double card time-sharing multiplex only accomplished LTE+GSM (the corresponding technical standard of i.e. one Subscriber Identity Module be LTE, The corresponding technical standard of another Subscriber Identity Module is GSM).
Although it is understood that existing mobile terminal 1 00 can support Dual-user identification card, mobile terminal 100 in the case of registered network, and what two Subscriber Identity Modules were supported is the network of different technologies standard, one support 2G or 3G, another support 4G, can cause during the use of mobile terminal 1 00, surfing flow speed is slower.In the embodiment of the present invention In, mobile terminal 1 00 is by USB connections external equipment 200, because external equipment 200 includes second modem 21 and the Two radio-frequency modules 22, and the second radio-frequency module 22 supports 4G networks, therefore, mobile terminal 1 00 can pass through USB and external equipment 200 interactions, so that mobile terminal 1 00 possesses double LTE functions (now virtual user identifying card 13 and entity user identification card The technical standard of 14 management is LTE standard, the wireless access skill involved by the first radio-frequency module 12 and the second radio-frequency module 22 Art is LTE).
In embodiments of the present invention, data transmission system includes mobile terminal 1 00 and external equipment 200, mobile terminal 1 00 The implementation process for possessing double LTE functions by external equipment 200 can be：1. entity user identification card 14 passes through the second modulation /demodulation Device 21 supports LTE, and detailed process is：First modem 11 will need to access LTE network in entity user identification card 14 Data are sent to the first application processor 10, and received data is sent to external set by the first application processor 10 by USB Received data is sent to second modem 21 by standby 200 the second application processor 20, the second application processor 20, Second radio-frequency module 22 is transmitted to by second modem 21, received data is passed through LTE nets by the second radio-frequency module 22 Network is sent；Virtual user identifying card 13 supports LTE by the first modem 11, to realize that mobile terminal 1 00 can be propped up Hold double LTE.2. virtual user identifying card 13 supports LTE by second modem 21, and detailed process is：First modulation /demodulation Device 11 will need the data for accessing LTE network to be sent to the first application processor 10, the first application in virtual user identifying card 13 Received data is sent to the second application processor 20 of external equipment 200, the second application processing by processor 10 by USB Received data is sent to second modem 21 by device 20, and the second radio-frequency module is transmitted to by second modem 21 22, the second radio-frequency module 22 sends received data by LTE network；Entity user identification card 14 is adjusted by first Modulator-demodulator 11 supports LTE, to realize that mobile terminal 1 00 can support double LTE.
When mobile terminal 1 00 is not connected by USB with external equipment 200, the skill corresponding to entity user identification card 14 Art standard is GSM, and for carrying out speech communication, virtual user identifying card 13 is supported LTE by the first modem 11, is used for Data access is carried out by 4G networks.
Entity user identification card 14 with mobile terminal 1 00 when interacting, the detection entity user of mobile terminal 1 00 identification card 14 The signal of presence or absence is only in the instantaneous generation of start, in the presence of start can't detect entity user identification card 14, mobile terminal 100 will be prompted to " insertion Subscriber Identity Module ".After mobile terminal 1 00 is started shooting, mobile terminal 1 00 and entity user identification card 14 it Between communication in 28 seconds once, complete the communication check (for example, Subscriber Identity Module whether in place etc.) of some fixations.
RPM15 be used for the various resources of management and control, including clock sources, bus resource, PMIC (Power Management IC, The voltage of power management integrated circuit, i.e. each chip), DDR (Memory Allocation), and the dormancy awakening of managing chip interruption The deadline waken up with application processor.The subsystems of mobile terminal 1 00, when needing resource, apply providing to RPM15 Source, subsystems include the first application processor 10, the first modem 11, PRONTO (WIFI/ bluetooths, NFC respectively (Near Field Communication, near-field communication) etc.), LPASS (Low power audio subsystem, low-power consumption Audio subsystem), RPM15 is used for determining the resting state of the system of mobile terminal 1 00, is specifically, and RPM15 is based on subsystems Voting mechanism realize, when subsystems all throw dormancy ticket, RPM15 can just make the whole system of mobile terminal 1 00 carry out Dormancy.And when mobile terminal 1 00 has a sub or multiple subsystems to throw the ticket for opposing dormancy, mobile terminal 1 00 is entirely System all can not dormancy.
In the case where mobile terminal 1 00 and external equipment 200 are by USB communication connections, wake-up mode can be following three Kind：
1st, when the first application processor 10 receives signaling data, detection bag is sent to the second application processor by USB 20, to wake up the second application processor 20.
2nd, when second modem 21 receives user data, the second application processor 20 is waken up, by the second application Device 20 is managed by USB transmission detection bags to the first application processor 10, to wake up the first application processor 10.
3rd, second modem 21 periodically searches paging request, with active activation oneself.If receiving paging request, Second modem 21 then wakes up the second application processor 20, by the second application processor 20 by USB send detection bag to First application processor 10, to wake up the second application processor 20.
In addition, second modem 21 can be with periodic wakeup oneself, to carry out location updating in mobile terminal 1 00 When, interaction of shaking hands is carried out with base station, the first application processor 10 need not be now waken up.
When first timer 16 and the second timer 26 are used in mobile terminal 1 00 and the interaction of external equipment 200 Between calculating, to control the first application processor 10, the first modem 11, the second application processor 20 and/or second adjust Modulator-demodulator 21 enters wake-up states from resting state within a certain period of time, and the first application processor 10, first of control is adjusted Modulator-demodulator 11, the second application processor 20 and/or second modem 21 enter from wake-up states within a certain period of time stops Dormancy state.In embodiments of the present invention, mobile terminal 1 00 and the number of the Timer of external equipment 200 can be one, or It is multiple.
Reference picture 3, Fig. 3 is the entity structure diagram signal of mobile terminal 1 00 of the present invention and the communication connection of external equipment 200 Figure.Mobile terminal 1 00 is connected by USB with the communication of external equipment 200, wherein, mobile terminal includes but is not limited to mobile phone, PC (Personal Computer, PC) or PAD (Personal Digital Assistant, personal digital assistant), outside Connect equipment 200 and include but is not limited to wireless Internet card and data card.It should be noted that mobile terminal 1 00 by USB with it is external The link position of equipment 200 is not limited to shown in Fig. 3, mobile terminal 1 00 can be set to be set by USB with external according to specific needs Standby 200 link position.
Based on the hardware architecture diagram of above-mentioned LTE network framework figure, mobile terminal 1 00 and external equipment 200, and Entity structure schematic diagram, proposes each embodiment of the present invention.
The present embodiment proposes a kind of data transmission system, and data transmission system includes mobile terminal 1 00 and external equipment 200, mobile terminal 1 00 is connected by preset interface with external equipment 200, mobile terminal 1 00 include the first application processor 10, First radio-frequency module 12, the first modem 11 for being embedded with virtual user identifying card 13, the first timer 16 and with The entity user identification card 14 of one modem 11 connection, external equipment 200 includes the second application processor 20, the second radio frequency Module 22, the timer 26 of second modem 21 and second.
Second application processor 20, detects data transmission instruction, and detect default connect for working as in wake-up states When there is no the packet in transmission state in mouthful, the second timer 26 is initialized；Be equal to when the value of the second timer 26 or When person is more than the first preset time, packet to be sent is sent to by preset interface at the first application in wake-up states Manage device 10.
When the second application processor 20 in wake-up states, which detects data, sends instruction, the second application processor 20 Detect and whether there is the packet in transmission state in preset interface, that is, detect and whether there is what is do not sent in preset interface Packet.If not there is no the packet in transmission state in preset interface, start the second timer 26, and initialize second Timer 26, makes the value of the second timer 26 be equal to zero.When the value of the second timer 26 is equal to or more than the first preset time When, packet to be sent is sent to the first application in wake-up states by preset interface and handled by the second application processor 20 Device 10.
When the value of the second timer 26 is less than the first preset time, the pause of the second application processor 20 sends number to be sent According to bag to the first application processor 10.That is the second application processor 20, which is sent, treats response data packet to the first application processor 10 Time interval is the first preset time.In the present embodiment, the first preset time is set to 3ms, in other embodiments, first Preset time may be alternatively provided as 4ms or 5ms etc..Preset interface is USB.In other embodiments, preset interface can be with With the interface of USB said functions.
Further, triggered when the data send instruction by second modem 21, the tool of packet to be sent Body transmission process is：Second modem 21 is by smd (share memory driver, smd) passages by data to be sent Bag is sent to the second application processor 20, and packet to be sent is sent to first by the second application processor 20 by USB interface Application processor 10, the first application processor 10 receives packet to be sent, is sent to packet to be sent by smd passages First modem 11 (now, demonstrates the need for packet to be sent being sent to the first modem 11, if need not be by Packet to be sent is sent to the first modem 11, and packet to be sent is not then sent to by the first application processor 10 One modem 11).
Further, when there is the packet in transmission state in preset interface, the second application processor 20 is waited The packet in transmission state is completely sent to the first application processor 10 in preset interface.
Further, not there is no the packet in transmission state in preset interface when the second application processor 20 is detected When, the second application processor 20, which is detected, whether there is packet to be sent in transmit queue.If existing in transmit queue to be sent Packet, then initialize the second timer 26, when the value of the second timer 26 is equal to or more than the first preset time, passes through Packet to be sent is sent to the first application processor 10 by preset interface.If there is no packet to be sent in transmit queue, The second timer 26 is then initialized, when the value of the second timer 26 is equal to or more than the first preset time, in transmit queue There is not packet to be sent also, the second application processor 20 then initializes the second timer 26 again.When the second timer 26 Value is more than or equal to setting time value, does not still there is packet to be sent in transmit queue, the second application processor 20 then from Wake-up states enter resting state.Setting time value can be set according to specific needs, in the present embodiment, and setting time value can It is set to 500ms, or 550ms etc..It is understood that memory space of the transmit queue for storage packet to be sent.Need It is noted that the value for working as the second timer 26 is more than or equal to setting time value, and still do not have in transmit queue pending When sending packet, the dormancy function for calling USB interface agreement to carry performs USB sleep operation, and USB dormancy discharges shared Clock sources, to realize the dormancy of application processor and modem.
The present embodiment by when the second application processor 20 in wake-up states detect data send instruction when, and inspection When surveying the packet for not existing in preset interface and being in transmission state, the second timer 26 is initialized；When the second timer 26 When value is equal to or more than the first preset time, packet to be sent is sent to by the second application processor 20 by preset interface The first application processor 10 in wake-up states.Realize mobile terminal 1 00 and double LTE communications are realized by external equipment 200 In function course, when not there is no the packet in transmission state in preset interface, and be equal in the value of the second timer 26 or When person is more than the first preset time, the second application processor 20 just sends packet to be sent and is sent to the first application processor 10, it is to avoid mobile terminal 1 00 and external equipment 200 are in transmission of data packets, if external equipment 200 is to mobile terminal The speed of 100 transmission packets is too fast, and multiple identification of data packets that mobile terminal 1 00 can send external equipment 200 are one The situation of packet occurs, and improves the accuracy rate of the packet transmitted by the identification external equipment 200 of mobile terminal 1 00.
Further, data transmission system second embodiment of the present invention is proposed.
The difference of data transmission system second embodiment and data transmission system first embodiment is that the second application is handled Device 20 is additionally operable to that in a dormant state, and when receiving data interaction request, wake-up states ought be entered from resting state, by pre- If interface sends detection bag to the first application processor 10, and initializes the second timer 26.
Second application processor 20 is additionally operable to when the value of the second timer 26 is equal to or more than the second preset time, inspection Whether survey detects data and sends instruction；
When the second application processor 20 in a dormant state, and the second application processor 20 receive data interaction request When, the second application processor 20 enters wake-up states from resting state.After the second application processor 20 enters wake-up states, the Two application processors 20 send detection bag to the first application processor 10, and start the second timer 26 execution Clocked operation. When starting the second timer 26, the second timer 26 is initialized, so that the value of the second timer 26 is equal to zero.Wherein, second answer The data interaction request received with processor 20 can receive eNodeB 101 request of data for the second application processor 20, or The second application processor of person 20 needs to obtain the number of entity user identification card 14 or virtual user identifying card 13 in mobile terminal 1 00 According to, or the second application processor 20 has authentication requirement etc..
When the value of the second timer 26 is equal to or more than the second preset time, the second application processor 20 is detected whether Detect data and send instruction, wherein, the data send instruction to send the instruction of packet to be sent.Second preset time can Set according to specific needs, in the present embodiment, the second preset time is set to 30ms, in other embodiments, also may be used Second preset time is set to 34ms, or 40ms etc..
It should be noted that detection bag can use the character mark of fixed word length, the detection bag is not normal packet, is The field for being not in normal data packet.As detection bag in the present embodiment, can be represented with 0xF9F9F9, in other embodiments In, it is also possible to it is set to the detection bag of other forms, such as 0xF3F3 and 0x3F3F.
The present embodiment by when the second application processor 20 in a dormant state receive data interaction ask when, actively Enter wake-up states from resting state, and send detection bag to the first application processor 10, for the first application processor 10 Enter wake-up states from resting state according to detection bag, in order to which the second application processor 20 can enter with the first application processor 10 The normal data interaction of row.
Further, data transmission system 3rd embodiment of the present invention is proposed.
The difference of data transmission system 3rd embodiment and data transmission system second embodiment is that the first application is handled Device 10 is additionally operable to, when receiving detection bag in a dormant state, enter wake-up states from resting state according to detection bag, and just The first timer of beginningization 16.
Reference picture 9, when the first application processor 10 in a dormant state receives detection bag, the first application processor 10 enter wake-up states from resting state, and start the first timer 16 execution Clocked operation, when starting the first timer 16, The first timer 16 is initialized, so that the value of the first timer 16 is equal to zero.First application processor 10 judges the first timer Whether 16 value is equal to or more than the 3rd preset time.Wherein, the 3rd preset time can be set according to specific needs, at this In embodiment, the 3rd preset time is set to 20ms, in other embodiments, the 3rd preset time can be also set to 25ms, or 28ms etc..
It should be noted that work as the second application processor 20 sends detection data by USB to the first application processor 10 Bao Hou, MPM (the interruption detection module still survived under terminal deep sleep state) detect the data outage on USB, and MPM is called out Wake up RPM, wakes up correspondence subsystem CPU according to terminal signaling source by RPM, then corresponding subsystem is to be waken up processing event.This Need what is waken up to have modem and application processor in example.
First application processor 10 is additionally operable to, when the value of the first timer 16 is equal to or more than three preset times, connect Packet to be sent is received, and handles packet to be sent, wherein, difference between the second preset time and the 3rd preset time etc. In or less than default value.
When the value of the first timer 16 is equal to or more than three preset times, the first application processor 10 receives pending Packet is sent, and handles packet to be sent.Such as when packet to be sent is to need the first application processor 10 to be responded, the One application processor 10 then responds the packet to be sent；If the packet to be sent needs to be sent to the first modem 11, then packet to be sent is sent to the first modem 11.It is understood that the processing of the first application processor 10 is treated The essence for sending packet is that packet to be sent is sent into corresponding module according to the attribute of packet to be sent or entered The corresponding processing of row.
In order to ensure that mobile terminal 1 00 can normally receive the packet to be sent transmitted by external equipment 200, second presets Time should be more than difference between the 3rd preset time, and the second preset time and the 3rd preset time and should be equal to or less than in advance If numerical value.It is understood that the first application processor 10 should be less than from the time that resting state is changed to wake-up states or Equal to default value.In the present embodiment, default value is set to 10ms, in other embodiments, and default value may be configured as 8ms, or 9ms etc..
Comparison diagram 4 and Fig. 5 understood, the first application processor 10 can be waited from the time that resting state is changed to wake-up states It is now, between the 3rd preset time and default value and equal to the second preset time in default value (as shown in Figure 4).The One application processor 10 from resting state change to wake-up states time can be less than default value (as shown in Figure 5), now, It is between 3rd preset time and default value and less than the second preset time.
Further, the first application processor 10 is additionally operable to judge whether the value of the first timer 16 is equal to or more than the Three preset times；If the value of the first timer is less than the 3rd preset time, and receives packet to be sent, then abandon to be sent Packet.
After the first application processor 10 is changed to wake-up states from resting state, the first application processor 10 judges first Whether the value of timer 16 is equal to or more than the 3rd preset time.If the value of the first timer 16 is less than the 3rd preset time, And first application processor 10 receive packet to be sent, the first application processor 10 then abandons the packet to be sent, no The packet to be sent is reported into upper strata.
Further, reference picture 6, when the detection bag is triggered by second modem 21, detect the specific hair of bag Passing through journey is：Second modem 21 by smd (share memory driver) passages will detect bag be sent to second should With processor 20, the second application processor 20 will detect bag by USB and be sent to the first application processor 10, the first application processing The detection bag received is sent to the first modem 11 by smd passages and (now, demonstrates the need for waking up the first tune by device 10 Modulator-demodulator 11, if the first modem 11 need not be waken up, the first application processor 10 is not then by the detection bag received It is sent to the first modem 11).It will be appreciated from fig. 6 that when detecting bag is triggered by second modem 21, the second modulation The wake-up mechanism and data transmitting mechanisms of the modem 11 of demodulator 21 and first, should with the first application processor 10 and second Wake-up mechanism with processor 20 is similar with data transmitting mechanisms, will not be repeated here.
The present embodiment by when the first application processor 10 in a dormant state when, the second application processor 20 send detection Wrap to the first application processor 10, to wake up the first application processor 10.And enter wake-up states in the first application processor 10 Afterwards, the time difference between the first timer 16 and the second timer 26 is passed through, it is to avoid second application processor 20 sends data When wrapping to the first application processor 10, the first application processor 10 is in incomplete wake-up states, causes the first application processor The situation of 10 received data packets failure occurs.Double LTE communication function courses are realized by external equipment 200 in mobile terminal 1 00 In, improve the success rate of external equipment 200 and the data transfer of mobile terminal 1 00.
Further, data transmission system fourth embodiment of the present invention is proposed.
The difference of data transmission system fourth embodiment and data transmission system second embodiment is that the second application is handled Device 20 is additionally operable to, when the value of the second timer 26 is less than three preset times, connect again by default after the preset duration of interval Mouth sends detection bag to the first application processor 10.
When the second application processor 20 by preset interface sends detection bag to the first application processor 10, and initialization the After two timers 26, the second application processor 20 judges whether the value of the second timer 26 is less than the 3rd preset time.When second When the value of timer 26 is less than three preset times, the second application processor 20 connects after the preset duration of interval again by default Mouth sends detection bag to the first application processor 10.In the present embodiment, preset duration can be set according to specific needs, but be Ensure that detection bag will not be mistakenly considered the normal data packet that the second application processor 20 is sent by the first application processor 10, i.e., Detection bag is mistakenly considered the packet to be sent that the second application processor 20 is sent, preset duration should be less than the 3rd it is default when Between.Preset duration can be such as set to 4ms, 6ms or 8ms etc..When the 3rd preset time is 20ms, preset duration is 6ms When, the second application processor 20 sends detection bag to the first application processor 10 after at interval of 6ms again by preset interface, That is the second application processor 20 have sent altogether three detection bags to the first application processor 10.
The present embodiment by when the second timer 26 value be less than three preset times when, the second application processor 20 Every sending detection bag to the first application processor 10 again by preset interface after preset duration, to avoid the second application processor 20 during transmission detection bag is to the first application processor 10, detects packet loss, or detection is wrapped situations such as damaging and occurred, with Cause to fail to receive detection and wrap from resting state in the first application processor 10 to enter wake-up states.
The present invention also provides a kind of data transmission method.
Reference picture 7, Fig. 7 is the schematic flow sheet of data transmission method first embodiment of the present invention.
The present embodiment proposes a kind of data transmission method, in the present embodiment there is provided the embodiment of data transmission method, , can be with different from herein it should be noted that, although show logical order in flow charts, but in some cases Order performs shown or described step.
Data transmission method is applied to pass through in the mobile terminal 1 00 that preset interface is connected with external equipment 200, mobile whole End 100 includes the first application processor 10, the first modem 11 for being embedded with virtual user identifying card 13, the first radio frequency mould Block 12, the first timer 16 and the entity user identification card 14 being connected with the first modem 11, external equipment 200 are wrapped Include the second application processor 20, the second radio-frequency module 22, the timer 26 of second modem 21 and second.
Step S10, sends instruction, and detect pre- when the second application processor 20 in wake-up states detects data If there is no the packet in transmission state in interface, the second timer 26 is initialized.
Step S20, when the value of the second timer 26 is equal to or more than the first preset time, the second application processor 20 Packet to be sent is sent to by preset interface by the first application processor 10 in wake-up states.
When the second application processor 20 in wake-up states, which detects data, sends instruction, the second application processor 20 Detect and whether there is the packet in transmission state in preset interface, that is, detect and whether there is what is do not sent in preset interface Packet.If not there is no the packet in transmission state in preset interface, start the second timer 26, and initialize second Timer 26, makes the value of the second timer 26 be equal to zero.When the value of the second timer 26 is equal to or more than the first preset time When, packet to be sent is sent to the first application in wake-up states by preset interface and handled by the second application processor 20 Device 10.
When the value of the second timer 26 is less than the first preset time, the pause of the second application processor 20 sends number to be sent According to bag to the first application processor 10.That is the second application processor 20, which is sent, treats response data packet to the first application processor 10 Time interval is the first preset time.In the present embodiment, the first preset time is set to 3ms, in other embodiments, first Preset time may be alternatively provided as 4ms or 5ms etc..Preset interface is USB.In other embodiments, preset interface can be with With the interface of USB said functions.
Further, triggered when the data send instruction by second modem 21, the tool of packet to be sent Body transmission process is：Second modem 21 is by smd (share memory driver, smd) passages by data to be sent Bag is sent to the second application processor 20, and packet to be sent is sent to first by the second application processor 20 by USB interface Application processor 10, the first application processor 10 receives packet to be sent, is sent to packet to be sent by smd passages First modem 11 (now, demonstrates the need for packet to be sent being sent to the first modem 11, if need not be by Packet to be sent is sent to the first modem 11, and packet to be sent is not then sent to by the first application processor 10 One modem 11).
Further, when there is the packet in transmission state in preset interface, the second application processor 20 is waited The packet in transmission state is completely sent to the first application processor 10 in preset interface.
Further, not there is no the packet in transmission state in preset interface when the second application processor 20 is detected When, the second application processor 20, which is detected, whether there is packet to be sent in transmit queue.If existing in transmit queue to be sent Packet, then initialize the second timer 26, when the value of the second timer 26 is equal to or more than the first preset time, passes through Packet to be sent is sent to the first application processor 10 by preset interface.If there is no packet to be sent in transmit queue, The second timer 26 is then initialized, when the value of the second timer 26 is equal to or more than the first preset time, in transmit queue There is not packet to be sent also, the second application processor 20 then initializes the second timer 26 again.When the second timer 26 Value is more than or equal to setting time value, does not still there is packet to be sent in transmit queue, the second application processor 20 then from Wake-up states enter resting state.Setting time value can be set according to specific needs, in the present embodiment, and setting time value can It is set to 500ms, or 550ms etc..It is understood that memory space of the transmit queue for storage packet to be sent.Need It is noted that the value for working as the second timer 26 is more than or equal to setting time value, and still do not have in transmit queue pending When sending packet, the dormancy function for calling USB interface agreement to carry performs USB sleep operation, and USB dormancy discharges shared Clock sources, to realize the dormancy of application processor and modem.
The present embodiment by when the second application processor 20 in wake-up states detect data send instruction when, and inspection When surveying the packet for not existing in preset interface and being in transmission state, the second timer 26 is initialized；When the second timer 26 When value is equal to or more than the first preset time, packet to be sent is sent to by the second application processor 20 by preset interface The first application processor 10 in wake-up states.Realize mobile terminal 1 00 and double LTE communications are realized by external equipment 200 In function course, when not there is no the packet in transmission state in preset interface, and be equal in the value of the second timer 26 or When person is more than the first preset time, the second application processor 20 just sends packet to be sent and is sent to the first application processor 10, it is to avoid mobile terminal 1 00 and external equipment 200 are in transmission of data packets, if external equipment 200 is to mobile terminal The speed of 100 transmission packets is too fast, and multiple identification of data packets that mobile terminal 1 00 can send external equipment 200 are one The situation of packet occurs, and improves the accuracy rate of the packet transmitted by the identification external equipment 200 of mobile terminal 1 00.
Further, data transmission method second embodiment of the present invention is proposed.
The difference of data transmission method second embodiment and data transmission method first embodiment is, reference picture 8, data Transmission method also includes：
Step S30, when the second application processor 20 in a dormant state, and the second application processor 20 receive data friendship Mutually during request, the second application processor 20 enters wake-up states from resting state, and detection bag is sent to first by preset interface Application processor 10, and initialize the second timer 26.
Step S40, when the value of the second timer 26 is equal to or more than the second preset time, the second application processor 20 Detect whether that detecting data sends instruction.
When the second application processor 20 in a dormant state, and the second application processor 20 receive data interaction request When, the second application processor 20 enters wake-up states from resting state.After the second application processor 20 enters wake-up states, the Two application processors 20 send detection bag to the first application processor 10, and start the second timer 26 execution Clocked operation. When starting the second timer 26, the second timer 26 is initialized, so that the value of the second timer 26 is equal to zero.Wherein, second answer The data interaction request received with processor 20 can receive eNodeB 101 request of data for the second application processor 20, or The second application processor of person 20 needs to obtain the number of entity user identification card 14 or virtual user identifying card 13 in mobile terminal 1 00 According to, or the second application processor 20 has authentication requirement etc..
When the value of the second timer 26 is equal to or more than the second preset time, the second application processor 20 is detected whether Detect data and send instruction, wherein, the data send instruction to send the instruction of packet to be sent.Second preset time can Set according to specific needs, in the present embodiment, the second preset time is set to 30ms, in other embodiments, also may be used Second preset time is set to 34ms, or 40ms etc..
It should be noted that detection bag can use the character mark of fixed word length, the detection bag is not normal packet, is The field for being not in normal data packet.As detection bag in the present embodiment, can be represented with 0xF9F9F9, in other embodiments In, it is also possible to it is set to the detection bag of other forms, such as 0xF3F3 and 0x3F3F.
The present embodiment by when the second application processor 20 in a dormant state receive data interaction ask when, actively Enter wake-up states from resting state, and send detection bag to the first application processor 10, for the first application processor 10 Enter wake-up states from resting state according to detection bag, in order to which the second application processor 20 can enter with the first application processor 10 The normal data interaction of row.
Further, data transmission method 3rd embodiment of the present invention is proposed.
The difference of data transmission method 3rd embodiment and data transmission method second embodiment is, data transmission method Also include：
Step a, when the first application processor 10 in a dormant state receives detection bag, the first application processor 10 Wake-up states are entered from resting state according to detection bag, and initialize the first timer 16.
Reference picture 9, when the first application processor 10 in a dormant state receives detection bag, the first application processor 10 enter wake-up states from resting state, and start the first timer 16 execution Clocked operation, when starting the first timer 16, The first timer 16 is initialized, so that the value of the first timer 16 is equal to zero.First application processor 10 judges the first timer Whether 16 value is equal to or more than the 3rd preset time.Wherein, the 3rd preset time can be set according to specific needs, at this In embodiment, the 3rd preset time is set to 20ms, in other embodiments, the 3rd preset time can be also set to 25ms, or 28ms etc..
It should be noted that work as the second application processor 20 sends detection data by USB to the first application processor 10 Bao Hou, MPM (the interruption detection module still survived under terminal deep sleep state) detect the data outage on USB, and MPM is called out Wake up RPM, wakes up correspondence subsystem CPU according to terminal signaling source by RPM, then corresponding subsystem is to be waken up processing event.This Need what is waken up to have modem and application processor in example.
Step b, when the value of the first timer 16 is equal to or more than three preset times, the first application processor 10 connects Packet to be sent is received, and handles packet to be sent, wherein, difference between the second preset time and the 3rd preset time etc. In or less than default value.
When the value of the first timer 16 is equal to or more than three preset times, the first application processor 10 receives pending Packet is sent, and handles packet to be sent.Such as when packet to be sent is to need the first application processor 10 to be responded, the One application processor 10 then responds the packet to be sent；If the packet to be sent needs to be sent to the first modem 11, then packet to be sent is sent to the first modem 11.It is understood that the processing of the first application processor 10 is treated The essence for sending packet is that packet to be sent is sent into corresponding module according to the attribute of packet to be sent or entered The corresponding processing of row.
In order to ensure that mobile terminal 1 00 can normally receive the packet to be sent transmitted by external equipment 200, second presets Time should be more than difference between the 3rd preset time, and the second preset time and the 3rd preset time and should be equal to or less than in advance If numerical value.It is understood that the first application processor 10 should be less than from the time that resting state is changed to wake-up states or Equal to default value.In the present embodiment, default value is set to 10ms, in other embodiments, and default value may be configured as 8ms, or 9ms etc..
Comparison diagram 4 and Fig. 5 understood, the first application processor 10 can be waited from the time that resting state is changed to wake-up states It is now, between the 3rd preset time and default value and equal to the second preset time in default value (as shown in Figure 4).The One application processor 10 from resting state change to wake-up states time can be less than default value (as shown in Figure 5), now, It is between 3rd preset time and default value and less than the second preset time.
Further, data transmission method also includes：
Step c, when the first application processor 10 judges whether the value of the first timer 16 is default equal to or more than the 3rd Between.
Step d, if the value of the first timer 16 be less than the 3rd preset time, and the first application processor 10 receive it is pending Packet is sent, the first application processor 10 then abandons packet to be sent.
After the first application processor 10 is changed to wake-up states from resting state, the first application processor 10 judges first Whether the value of timer 16 is equal to or more than the 3rd preset time.If the value of the first timer 16 is less than the 3rd preset time, And first application processor 10 receive packet to be sent, the first application processor 10 then abandons the packet to be sent, no The packet to be sent is reported into upper strata.
Further, reference picture 6, when the detection bag is triggered by second modem 21, detect the specific hair of bag Passing through journey is：Second modem 21 by smd (share memory driver) passages will detect bag be sent to second should With processor 20, the second application processor 20 will detect bag by USB and be sent to the first application processor 10, the first application processing The detection bag received is sent to the first modem 11 by smd passages and (now, demonstrates the need for waking up the first tune by device 10 Modulator-demodulator 11, if the first modem 11 need not be waken up, the first application processor 10 is not then by the detection bag received It is sent to the first modem 11).It will be appreciated from fig. 6 that when detecting bag is triggered by second modem 21, the second modulation The wake-up mechanism and data transmitting mechanisms of the modem 11 of demodulator 21 and first, should with the first application processor 10 and second Wake-up mechanism with processor 20 is similar with data transmitting mechanisms, will not be repeated here.
The present embodiment by when the first application processor 10 in a dormant state when, the second application processor 20 send detection Wrap to the first application processor 10, to wake up the first application processor 10.And enter wake-up states in the first application processor 10 Afterwards, the time difference between the first timer 16 and the second timer 26 is passed through, it is to avoid second application processor 20 sends data When wrapping to the first application processor 10, the first application processor 10 is in incomplete wake-up states, causes the first application processor The situation of 10 received data packets failure occurs.Double LTE communication function courses are realized by external equipment 200 in mobile terminal 1 00 In, improve the success rate of external equipment 200 and the data transfer of mobile terminal 1 00.
Further, data transmission method fourth embodiment of the present invention is proposed.
The difference of data transmission method fourth embodiment and data transmission method second embodiment is that reference picture 10 is counted Also include according to transmission method：
Step S50, when the value of the second timer 26 is less than three preset times, the second application processor 20 is pre- at interval If sending detection bag to the first application processor 10 again by preset interface after duration.
When the second application processor 20 by preset interface sends detection bag to the first application processor 10, and initialization the After two timers 26, the second application processor 20 judges whether the value of the second timer 26 is less than the 3rd preset time.When second When the value of timer 26 is less than three preset times, the second application processor 20 connects after the preset duration of interval again by default Mouth sends detection bag to the first application processor 10.In the present embodiment, preset duration can be set according to specific needs, but be Ensure that detection bag will not be mistakenly considered the normal data packet that the second application processor 20 is sent by the first application processor 10, i.e., Detection bag is mistakenly considered the packet to be sent that the second application processor 20 is sent, preset duration should be less than the 3rd it is default when Between.Preset duration can be such as set to 4ms, 6ms or 8ms etc..When the 3rd preset time is 20ms, preset duration is 6ms When, the second application processor 20 sends detection bag to the first application processor 10 after at interval of 6ms again by preset interface, That is the second application processor 20 have sent altogether three detection bags to the first application processor 10.
The present embodiment by when the second timer 26 value be less than three preset times when, the second application processor 20 Every sending detection bag to the first application processor 10 again by preset interface after preset duration, to avoid the second application processor 20 during transmission detection bag is to the first application processor 10, detects packet loss, or detection is wrapped situations such as damaging and occurred, with Cause to fail to receive detection and wrap from resting state in the first application processor 10 to enter wake-up states.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and And also including the other key elements being not expressly set out, or also include for this process, method, article or system institute inherently Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this Also there is other identical element in process, method, article or the system of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium In (such as ROM/RAM, magnetic disc, CD), including some instructions are to cause a station terminal equipment (can be mobile phone, computer, clothes It is engaged in device, air conditioner, or network equipment etc.) method that performs each embodiment of the invention.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of data transmission system, it is characterised in that the data transmission system includes mobile terminal and external equipment, described Mobile terminal is connected by preset interface with the external equipment, and the mobile terminal includes the first application processor, is embedded with The first modem, the first timer and the entity being connected with first modem of virtual user identifying card Subscriber Identity Module, the external equipment includes the second application processor, second modem and the second timer；
Second application processor, detects data transmission instruction, and detect described default for working as in wake-up states When there is no the packet in transmission state in interface, second timer is initialized；When the value of second timer During equal to or more than the first preset time, packet to be sent is sent in wake-up states by the preset interface First application processor.
2. data transmission system as claimed in claim 1, it is characterised in that second application processor is additionally operable to work as and is in Resting state, and when receiving data interaction request, enter wake-up states from the resting state, sent out by the preset interface Detection bag is sent to first application processor, and initializes second timer；When the value of second timer is equal to Or during more than the second preset time, detect whether that detecting data sends instruction.
3. data transmission system as claimed in claim 2, it is characterised in that first application processor is additionally operable to work as and is in When resting state receives the detection bag, the wake-up states are entered from the resting state according to the detection bag, and just Beginningization first timer；When the value of first timer is equal to or more than three preset time, institute is received Packet to be sent is stated, and handles the packet to be sent, wherein, second preset time and the 3rd preset time Between difference be equal to or less than default value.
4. data transmission system as claimed in claim 3, it is characterised in that first application processor is additionally operable to judge institute Whether the value for stating the first timer is equal to or more than the 3rd preset time；If the value of first timer is less than the described 3rd Preset time, and receive the packet to be sent, then abandon the packet to be sent.
5. data transmission system as claimed in claim 2, it is characterised in that second application processor is additionally operable to when described When the value of second timer is less than three preset time, sent after the preset duration of interval again by the preset interface The detection bag is to first application processor.
6. a kind of data transmission method, it is characterised in that the data transmission method is applied to mobile terminal and by default The external equipment that interface is connected with the mobile terminal, the mobile terminal includes the first application processor, is embedded with virtual use The first modem, the first timer and the entity user knowledge being connected with first modem of family identification card Do not block, the external equipment includes the second application processor, second modem and the second timer；
Instruction is sent when second application processor in wake-up states detects data, and detects the preset interface In when there is no the packet in transmission state, initialize second timer；
When the value of second timer is equal to or more than the first preset time, second application processor passes through described Packet to be sent is sent to first application processor in wake-up states by preset interface.
7. data transmission method as claimed in claim 6, it is characterised in that described when be in wake-up states described second should Data are detected with processor and send instruction, and detect the packet for not existing in the preset interface and being in transmission state When, initialize second timer the step of before, in addition to：
When second application processor in a dormant state, and second application processor receive data interaction request When, second application processor enters wake-up states from the resting state, by the preset interface send detection bag to First application processor, and initialize second timer；
When the value of second timer is equal to or more than the second preset time, second application processor is detected whether Detect data and send instruction.
8. data transmission method as claimed in claim 7, it is characterised in that second application processor is from the dormancy shape State enters wake-up states, sends detection bag to first application processor by the preset interface, and initialize described the After the step of two timers, in addition to：
When first application processor in a dormant state receives the detection bag, the first application processor root Enter the wake-up states from the resting state according to the detection bag, and initialize first timer；
Packet to be sent is sent in described in wake-up states by second application processor by the preset interface After the step of first application processor, in addition to：
When the value of first timer is equal to or more than three preset time, first application processor is received The packet to be sent, and handle the packet to be sent, wherein, second preset time and it is described 3rd it is default when Between between difference be equal to or less than default value.
9. data transmission method as claimed in claim 8, it is characterised in that when the value of first timer is equal to or greatly When three preset time, first application processor receives the packet to be sent, and handles described to be sent Before the step of packet, in addition to：
First application processor judges whether the value of first timer is equal to or more than the 3rd preset time；
If the value of first timer is less than the 3rd preset time, and first application processor receives described treat Packet is sent, first application processor then abandons the packet to be sent.
10. data transmission method as claimed in claim 7, it is characterised in that second application processor is from the dormancy State enters wake-up states, sends detection bag to first application processor by the preset interface, and initialize described After the step of second timer, in addition to：
When the value of second timer is less than three preset time, second application processor is when interval is default The detection bag is sent to first application processor again by the preset interface after length.
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