CN106900045A - Data transmission system and method - Google Patents

Data transmission system and method Download PDF

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Publication number
CN106900045A
CN106900045A CN201710204514.2A CN201710204514A CN106900045A CN 106900045 A CN106900045 A CN 106900045A CN 201710204514 A CN201710204514 A CN 201710204514A CN 106900045 A CN106900045 A CN 106900045A
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CN
China
Prior art keywords
application processor
timer
sent
packet
value
Prior art date
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Withdrawn
Application number
CN201710204514.2A
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Chinese (zh)
Inventor
李隽�
汤少华
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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Priority to CN201710204514.2A priority Critical patent/CN106900045A/en
Publication of CN106900045A publication Critical patent/CN106900045A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a kind of data transmission system and method, the method is applied to mobile terminal and the external equipment being connected with mobile terminal by preset interface, mobile terminal includes first modem and the first timer of the first application processor and embedded user identification card and the connection of entity user identification card, and external equipment includes the second application processor, second modem and the second timer；When the second application processor in wake-up states detects data is activation instruction, and detect when there is no the packet in transmission state in preset interface, initialize 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 preset interface for the second application processor.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, G mobile communication) network or 2G (2-Generation wireless telephone technology, Two generation mobile communication technical specifications), i.e. two SIM cards can not simultaneously use 4G networks.Two cards in due to mobile terminal are complete When opening, to use 4G networks, another card can only use 2G or 3G network, cause data in mobile terminal to transmit only one card It is less efficient.If two SIM cards will simultaneously use 4G networks, it is necessary to two modems, and 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 (be provided with modem in the external equipment) with 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 to it is mobile eventually 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 by outer Connect in the double LTE communication function courses of equipment realization, 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 and embedded user identification card and first modem and first of entity user identification card connection Timer, the external equipment includes the second application processor, second modem and the second timer；
Second application processor, detects data is activation 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 ask 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 is activation instruction.
Alternatively, first application processor be additionally operable to when receive in a dormant state it is described detection bag when, 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 process 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 default less than the described 3rd Between when, be spaced preset duration after again by the preset interface send it is described detection bag to first application processor.
Additionally, to achieve the above object, the present invention also proposes a kind of data transmission method, the data transmission method application The external equipment being connected with the mobile terminal in mobile terminal and by preset interface, the mobile terminal includes that first should The first modem connected with processor and embedded user identification card and entity user identification card and the first timing Device, the external equipment includes the second application processor, second modem and the second timer；
When second application processor in wake-up states detects data is activation instruction, and detect 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 the preset interface first application processor in wake-up states.
Alternatively, it is described when second application processor for being in wake-up states detects data is activation instruction, and inspection Measure when there is no the packet in transmission state in the preset interface, the step of initialize second timer it Before, also include：
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 data is activation instruction is detected.
Alternatively, second application processor enters wake-up states from the resting state, by the preset interface After the step of detection bag being sent to first application processor, and initializes second timer, also include：
When first application processor in a dormant state receives the detection bag, the first application treatment Device enters the wake-up states according to the detection bag from the resting state, and initializes first timer；
Be sent to packet to be sent in wake-up states by the preset interface by second application processor After the step of first application processor, also include：
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 processes 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 receiving the packet to be sent with processor, and process the packet to be sent, also include：
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, by the preset interface After the step of detection bag being sent to first application processor, and initializes second timer, also include：
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 leads to The external equipment that preset interface is connected with the mobile terminal is crossed, the mobile terminal includes the first application processor and insertion Formula Subscriber Identity Module and first modem and the first timer of the connection of entity user identification card, the external equipment Including the second application processor, second modem and the second timer；At second application in wake-up states Reason device detects data is activation instruction, and detects when there is no the packet in transmission state in the preset interface, just Beginningization second timer；When the value of second timer is equal to or more than the first Preset Time, described second should Packet to be sent is sent to by the preset interface for first application processor in wake-up states with processor. During mobile terminal is realized by the double LTE communication function courses of external equipment realization, sent when not existing to be in preset interface During the packet of state, only when the value of the second timer is equal to or more than the first Preset Time, the second application processor Just send packet to be sent and be sent to the first application processor.Avoid mobile terminal and external equipment is transmitted across in packet Cheng Zhong, if external equipment is too fast to the speed of mobile terminal transmission packet, it is many that mobile terminal can send external equipment The situation that individual packet is identified as packet occurs, and improves packet transmitted by mobile terminal identification external equipment Accuracy rate.
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 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 be the embodiment of the present invention between the first application processor and the second application processor data transfer the third Schematic diagram；
Fig. 7 is for 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. 8 is the schematic flow sheet of data transmission method first embodiment of the present invention；
Fig. 9 is the schematic flow sheet of data transmission method second embodiment of the present invention；
Figure 10 is the schematic flow sheet of data transmission method fourth embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be explained referring to the drawings in conjunction with the embodiments.
Specific 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.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, 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 other certain 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 Reason entity 106, gateway 103, and packet data network (PDN) gateway 105.Mobile management entity 104 is treatment movement The control node of the signaling between terminal 100 and EPC.Mobile management entity 104 is provided and carried 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 be by 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 connects with embedded user identification card 13 and entity user identification card 14 The first modem 11 (modem1), the RPM (Resource Power Manager, resource power supervisor) 15 and for connecing One timer 16, entity user identification card 14 is SIM.External equipment 200 includes second processing chip 002 and and second processing Second radio-frequency module 22 of the connection of chip 002.Wherein, second processing chip 002 includes that the second application processor 20, second is modulated The timer 26 of demodulator (modem2) 21 and second.
The inner frame of the 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 treatment The application processor 20 of device 10 and second is realized connecting by preset interface, interactive interface is provided the user, by the behaviour of user input (for example, the operational order for the relevant startup video calling that user is input into by user interface) is instructed to be transferred to the first modulatedemodulate Device 11 or second modem 21 are adjusted, to realize the definition of data and transmission between two application processors, for example, carrying out two Control of chip boot sequence etc. when dormancy, wake-up, control, the switching on and shutting down of synchronization of individual application processor.
In an embodiment of the present invention, preset interface is USB (Universal Serial Bus, USB). USB is multiplexed out three data passages, be respectively used to user data between the first application processor 10 and the second application processor 20, The interaction of signaling data and SIM authorization data.That is the first application processor 10 and the second application processor 20 pass through USB transmission User data, signaling data and SIM authorization data.Wherein, user data includes but is not limited to the data that online is produced, picture With chat message data；Signaling data includes but is not limited to the control data of switching on and shutting down, and the control data of switch offline mode shows Show the control data of status signal；SIM authorization data includes but is not limited to IMSI (International Mobile Subscriber Identification Number, international mobile subscriber identity) and Ki (key identifier, authentication Key).
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 be by entity user identification card 14 or embedding Enter the SIM parameter in formula Subscriber Identity Module 13 to access eNodeB 101, second modem 21 can be by entity user The SIM parameter of identification card 14 or embedded user identification card 13 accesses eNodeB 101, and SIM parameter includes but is not limited to SIM authorization data.
The protocol stack of the network formats of the 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. communication standard the inside regulation protocol code.Mobile terminal 1 00 is led to Agreement is crossed to be interacted 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.
First radio-frequency module 12 is transmitted to (the base station nets of eNodeB 101 after being used for the data processing for 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 of the transmission of external equipment 200, 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 and embedded user identification card 13 are connected with the first modem 11.Wherein, it is embedded Formula Subscriber Identity Module 13 is connected by serial ports with the first modem 11, and serial ports includes but is not limited to universal asynchronous receiving-transmitting transmission Device (UART).It should be noted that embedded user identification card 13 is ESIM (Embedded Subscriber Identity Module) block, associated card parameter is write direct the ESIM cards, the ESIM cards include programmable SIM chip；The embedded use Family identification card 13 includes memory module and chip operating system (Chip Operating System, COS), and the memory module can It is EFS (Encrypting File System, encrypted file system) that memory module is used to store embedded user identification card 13 Authorization data.
Entity user identification card 14 and embedded user identification card 13 can store what different wireless communication standards were associated User profile, the dependency number needed for for providing mobile communication business (CS speech businesses, PS data services and PS speech businesses) According to, and in its storage inside user profile, short message, execution authentication arithmetic and produce cryptographic keys etc..Specific non-limiting In example, 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 mobile communication technology (for example, 4G etc.).
When embedded user identification card 13 needs to carry out network registry, sent out by Wireless Fidelity (WIFI) network opened Send and download request to the corresponding cloud server of embedded user identification card 13 comprising service menu data, with from cloud service Device obtains the data message of embedded user identification card 13.When the data message of embedded user identification card 13 is got, will In the memory module of data message write-in embedded user identification card 13, noted with the network for realizing embedded user identification card 13 Volume.Wherein, data message 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 processes GSM calls, and another user knows The 4G network informations Ka not be processed, specific which 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 is 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, due to 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 connects external equipment 200 by USB, 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 be by USB and external equipment 200 interactions, so that mobile terminal 1 00 possesses double LTE functions, and (now embedded user identification card 13 and entity user are recognized The technical standard of the management of card 14 is LTE standard, the wireless access involved by the first radio-frequency module 12 and the second radio-frequency module 22 Technology 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 method for possessing double LTE functions by external equipment 200 has two kinds：1. entity user identification card 14 passes through the second modulatedemodulate Device 21 is adjusted to support LTE, detailed process is：First modem 11 will need to access LTE network in entity user identification card 14 Data is activation give the first application processor 10, by USB be sent to received data external by the first application processor 10 Received data is sent to second modem by the second application processor 20 of equipment 200, the second application processor 20 21, the second radio-frequency module 22 is transmitted to by second modem 21, received data is passed through LTE by the second radio-frequency module 22 Network sends；Embedded user identification card 13 supports LTE by the first modem 11, to realize mobile terminal 1 00 Double LTE can be supported.2. embedded user identification card 13 supports LTE by second modem 21, and detailed process is：First adjusts Modulator-demodulator 11 will need to access the data is activation of LTE network to the first application processor 10 in embedded user identification card 13, Received data is sent to first application processor 10 second application processor 20 of external equipment 200, second by USB Received data is sent to second modem 21 by application processor 20, and second is transmitted to by second modem 21 Radio-frequency module 22, the second radio-frequency module 22 sends received data by LTE network；Entity user identification card 14 leads to Cross the first modem 11 and support 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, embedded user identification card 13 supports LTE by the first modem 11, uses In carrying out data access by 4G networks.
When being interacted with mobile terminal 1 00, mobile terminal 1 00 detects entity user identification card 14 to entity user 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 resource is needed, 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, and specifically, RPM15 is based on subsystems Voting mechanism realize that, when subsystems all throw dormancy ticket, RPM15 just can carry out the whole system of mobile terminal 1 00 Dormancy.And when mobile terminal 1 00 has a son or multiple subsystems throw the ticket for opposing dormancy, mobile terminal 1 00 is entirely System all cannot dormancy.
In the case where mobile terminal 1 00 and external equipment 200 communicate connection by USB, 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 Reason device 20 transmits detection bag to the first application processor 10 by USB, 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.
Additionally, second modem 21 can carry out location updating with periodic wakeup oneself with mobile terminal 1 00 When, interaction of shaking hands is carried out with base station, need not now wake up the first application processor 10.
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 of control 10, first 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, the number of mobile terminal 1 00 and 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 of the present invention 00 and the communication connection of external equipment 200 Figure.Mobile terminal 1 00 is communicated with external equipment 200 by USB and is connected, wherein, mobile terminal includes but is not limited to mobile phone, PC (Personal Computer, PC) or PAD (Personal Digital Assistant, personal digital assistant), outward 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, can according to specific needs be set mobile terminal 1 00 and be set with external by USB Standby 200 link position.
Hardware configuration based on the communication connection of above-mentioned LTE network framework figure, mobile terminal 1 00 and external equipment 200 shows It is intended to, and entity structure schematic diagram, propose each embodiment of the 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, The first modem 11 for being connected with embedded user identification card 13 and entity user identification card 14, the first radio-frequency module 12, And first timer 16, external equipment 200 includes the second application processor 20, the second radio-frequency module 22, the second modulation /demodulation The timer 26 of device 21 and second.
Second application processor 20, detects data is activation instruction, and detect default connecing for working as in wake-up states When there is no the packet in transmission state in mouthful, the second timer 26 is initialized；When the second timer 26 value be equal to or When person is more than the first Preset Time, packet to be sent is sent at the first application in wake-up states by preset interface Reason device 10.
When the second application processor 20 in wake-up states detects data is activation to be instructed, the second application processor 20 With the presence or absence of the packet in transmission state in detection preset interface, i.e., whether there is what is do not sent in detection 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 treatment in wake-up states by preset interface for 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.I.e. the second application processor 20 sends and 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, when data is activation instruction is triggered by second modem 21, the tool of packet to be sent Body transmission process is：Second modem 21 passes through 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 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 the second application processor 20 detects preset interface When, whether there is packet to be sent in the detection transmit queue of the second application processor 20.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, and in the present embodiment, setting time value can It is set to 500ms, or 550ms etc..It is understood that transmit queue is the memory space for storing packet to be sent.Need It is noted that when the value of 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 the sleep operation of USB, 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 is activation instruct when, and inspection When there is no the packet in transmission state in survey preset interface, the second timer 26 is initialized；When the second timer 26 When value is equal to or more than the first Preset Time, be sent to for packet to be sent by preset interface by the second application processor 20 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 in preset interface do not exist in transmission state packet, and the second timer 26 value be equal to 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 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.
Data transmission system second embodiment is that the second application is processed with the difference of data transmission system first embodiment 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 is activation 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 processor 20 sends detection bag to the first application processor 10, and starts the execution Clocked operation of the second timer 26. 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 received with processor 20 asks that the request of data of eNodeB 101 can be received for the second application processor 20, or The second application processor of person 20 needs to obtain entity user identification card 14 or embedded user identification card 13 in mobile terminal 1 00 Data, 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 Data is activation instruction is detected, wherein, data is activation instruction is the instruction of transmission 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 in the present embodiment, detection bag 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, can enter with the first application processor 10 in order to the second application processor 20 The normal data interaction of row.
Further, data transmission system 3rd embodiment of the present invention is proposed.
Data transmission system 3rd embodiment is that the first application is processed with the difference of data transmission system second embodiment Device 10 is additionally operable to, when detection bag is received in a dormant state, wake-up states be entered from resting state according to detection bag, and just The first timer of beginningization 16.
Reference picture 4, 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 execution Clocked operation of the first timer 16, when the first timer 16 is started, 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 when the second application processor 20 sends detection data by USB to the first application processor 10 The data outage that Bao Hou, MPM (the interruption detection module still survived under terminal deep sleep state) are detected on USB, MPM is called out Waken up RPM, and correspondence subsystem CPU is waken up according to terminal signaling source by RPM, then corresponding subsystem is to be waken up treatment event.This Needing what is waken up in example has modem and application processor.
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 processes 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 processes 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 packets need to be sent is sent to the first modem 11, then packet to be sent is sent to the first modem 11.It is understood that the treatment of the first application processor 10 is treated The essence for sending packet is according to the attribute of packet to be sent packet to be sent to be sent into corresponding module or entered The corresponding treatment 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 should be equal to or less than in advance If numerical value.It is understood that the first application processor 10 be 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, and in other embodiments, default value may be configured as 8ms, or 9ms etc..
Comparison diagram 5 and Fig. 6 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 5).The One application processor 10 from resting state change to wake-up states time can less than default value (as shown in Figure 6), 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 7, 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 and be sent to the first application processor 10, the first application treatment by USB Device 10 is sent to the first modem 11 and (now, demonstrates the need for waking up the first tune by the detection bag that smd passages will be received Modulator-demodulator 11, if the first modem 11 need not be waken up, the detection bag that the first application processor 10 then will not be received It is sent to the first modem 11).As shown in Figure 7, when detection bag is the second modulation when being triggered by second modem 21 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, by the time difference between the first timer 16 and the second timer 26, it is to avoid the second application processor 20 sends data Wrap during to the first application processor 10, the first application processor 10 is in incomplete wake-up states, causes the first application processor 10 situations for receiving packet failure occur.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.
Data transmission system fourth embodiment is that the second application is processed with the difference of data transmission system second embodiment Device 20 is additionally operable to, when the value of the second timer 26 is less than three Preset Times, be connect again by default after preset duration is spaced Mouth sends detection bag to the first application processor 10.
When the second application processor 20 sends detection bag to the first application processor 10 by preset interface, and initialization the After two timers 26, whether the second application processor 20 judges the value of the second timer 26 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 preset duration is spaced 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 the first application processor 10 will not detection bag be mistakenly considered the normal data packet that the second application processor 20 sends, i.e., Detection bag is mistakenly considered the packet to be sent that the second application processor 20 sends, preset duration should be less than the 3rd it is default when Between.Such as preset duration can be 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 detection bag is sent 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 in the first application processor 10 to enter wake-up states from resting state.
The present invention also provides a kind of data transmission method.
Reference picture 8, Fig. 8 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, It should be noted that, although show logical order in flow charts, but in some cases, can be with different from herein Order performs shown or described step.
Data transmission method is applied in the mobile terminal 1 00 being connected with external equipment 200 by preset interface, mobile whole End 100 includes the first tune of the first application processor 10 and embedded user identification card 13 and the connection of entity user identification card 14 Modulator-demodulator 11, the first radio-frequency module 12 and the first timer 16, external equipment 200 include the second application processor 20, the Two radio-frequency modules 22, the timer 26 of second modem 21 and second.
Step S10, when the second application processor 20 in wake-up states detects data is activation instruction, and detects pre- 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 for the first application processor 10 in wake-up states.
When the second application processor 20 in wake-up states detects data is activation to be instructed, the second application processor 20 With the presence or absence of the packet in transmission state in detection preset interface, i.e., whether there is what is do not sent in detection 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 treatment in wake-up states by preset interface for 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.I.e. the second application processor 20 sends and 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, when data is activation instruction is triggered by second modem 21, the tool of packet to be sent Body transmission process is：Second modem 21 passes through 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 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 the second application processor 20 detects preset interface When, whether there is packet to be sent in the detection transmit queue of the second application processor 20.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, and in the present embodiment, setting time value can It is set to 500ms, or 550ms etc..It is understood that transmit queue is the memory space for storing packet to be sent.Need It is noted that when the value of 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 the sleep operation of USB, 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 is activation instruct when, and inspection When there is no the packet in transmission state in survey preset interface, the second timer 26 is initialized；When the second timer 26 When value is equal to or more than the first Preset Time, be sent to for packet to be sent by preset interface by the second application processor 20 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 in preset interface do not exist in transmission state packet, and the second timer 26 value be equal to 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 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.
Data transmission method second embodiment is with the difference of data transmission method first embodiment, reference picture 9, 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 to detect data is activation 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 processor 20 sends detection bag to the first application processor 10, and starts the execution Clocked operation of the second timer 26. 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 received with processor 20 asks that the request of data of eNodeB 101 can be received for the second application processor 20, or The second application processor of person 20 needs to obtain entity user identification card 14 or embedded user identification card 13 in mobile terminal 1 00 Data, 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 Data is activation instruction is detected, wherein, data is activation instruction is the instruction of transmission 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 in the present embodiment, detection bag 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, can enter with the first application processor 10 in order to the second application processor 20 The normal data interaction of row.
Further, data transmission method 3rd embodiment of the present invention is proposed.
Data transmission method 3rd embodiment is with the difference of data transmission method second embodiment, 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 initializes the first timer 16.
Reference picture 4, 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 execution Clocked operation of the first timer 16, when the first timer 16 is started, 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 when the second application processor 20 sends detection data by USB to the first application processor 10 The data outage that Bao Hou, MPM (the interruption detection module still survived under terminal deep sleep state) are detected on USB, MPM is called out Waken up RPM, and correspondence subsystem CPU is waken up according to terminal signaling source by RPM, then corresponding subsystem is to be waken up treatment event.This Needing what is waken up in example has modem and application processor.
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 processes 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 processes 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 packets need to be sent is sent to the first modem 11, then packet to be sent is sent to the first modem 11.It is understood that the treatment of the first application processor 10 is treated The essence for sending packet is according to the attribute of packet to be sent packet to be sent to be sent into corresponding module or entered The corresponding treatment 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 should be equal to or less than in advance If numerical value.It is understood that the first application processor 10 be 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, and in other embodiments, default value may be configured as 8ms, or 9ms etc..
Comparison diagram 5 and Fig. 6 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 5).The One application processor 10 from resting state change to wake-up states time can less than default value (as shown in Figure 6), 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, the first application processor 10 is sent then to abandon 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 7, 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 and be sent to the first application processor 10, the first application treatment by USB Device 10 is sent to the first modem 11 and (now, demonstrates the need for waking up the first tune by the detection bag that smd passages will be received Modulator-demodulator 11, if the first modem 11 need not be waken up, the detection bag that the first application processor 10 then will not be received It is sent to the first modem 11).As shown in Figure 7, when detection bag is the second modulation when being triggered by second modem 21 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, by the time difference between the first timer 16 and the second timer 26, it is to avoid the second application processor 20 sends data Wrap during to the first application processor 10, the first application processor 10 is in incomplete wake-up states, causes the first application processor 10 situations for receiving packet failure occur.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.
Data transmission method fourth embodiment is that reference picture 10 is counted with the difference of data transmission method second embodiment 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 sends detection bag to the first application processor 10 by preset interface, and initialization the After two timers 26, whether the second application processor 20 judges the value of the second timer 26 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 preset duration is spaced 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 the first application processor 10 will not detection bag be mistakenly considered the normal data packet that the second application processor 20 sends, i.e., Detection bag is mistakenly considered the packet to be sent that the second application processor 20 sends, preset duration should be less than the 3rd it is default when Between.Such as preset duration can be 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 detection bag is sent 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 in the first application processor 10 to enter wake-up states from resting state.
It should be noted that herein, term " including ", "comprising" or its any other variant be 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 include other key elements being not expressly set out, or also include for this process, method, article or system institute are intrinsic 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 the process of key element, method, article or system.
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 implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words The part for going out 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 used to so that a station terminal equipment (can be mobile phone, computer, clothes Business 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, the scope of the claims of the invention is not thereby limited, 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 and insertion Formula Subscriber Identity Module and first modem and the first timer of the connection of entity user identification card, the external equipment Including the second application processor, second modem and the second timer；
Second application processor, detects data is activation 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 when being in Resting state, and when receiving data interaction request, wake-up states are entered 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 to detect data is activation instruction.
3. data transmission system as claimed in claim 2, it is characterised in that first application processor is additionally operable to when being 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 processes 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 the second timer is less than three Preset Time, sent again by the preset interface after preset duration is spaced 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 and embedded user Identification card and first modem and the first timer of the connection of entity user identification card, the external equipment include the Two application processors, second modem and the second timer；
When second application processor in wake-up states detects data is activation instruction, and detect 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 is by described Packet to be sent is sent to preset interface first application processor in wake-up states.
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 is activation is detected with processor to instruct, and detect and not there is no the packet in transmission state in the preset interface When, initialize second timer the step of before, also include：
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 is activation 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, also include：
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；
Be sent to packet to be sent in described in wake-up states by the preset interface by second application processor After the step of first application processor, also include：
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 process 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 big When three Preset Time, first application processor receives the packet to be sent, and processes described to be sent Before the step of packet, also include：
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 treating 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, also include：
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.
CN201710204514.2A 2017-03-30 2017-03-30 Data transmission system and method Withdrawn CN106900045A (en)

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