CN101742701A - Device, method and system for treating AT command - Google Patents
Device, method and system for treating AT command Download PDFInfo
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- CN101742701A CN101742701A CN 200910188939 CN200910188939A CN101742701A CN 101742701 A CN101742701 A CN 101742701A CN 200910188939 CN200910188939 CN 200910188939 CN 200910188939 A CN200910188939 A CN 200910188939A CN 101742701 A CN101742701 A CN 101742701A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/14—Multichannel or multilink protocols
Abstract
The invention discloses device, method and system for treating an AT command, wherein the device for treating the AT command comprises an AT command sending module and an AT command receiving module, wherein the AT command sending module is used for receiving business information from a terminal module and calling application functions so as to send AT channel application information to the AT command receiving module; and the AT command receiving module opens a channel used for transferring the AT command and receiving AT command response information between the AT command sending module and the AT command receiving module according to the AT channel application information, closes the AT channel, sends the AT command to a data conversion module and receives the AT command response information from the data conversion module. The system thereof is added with the AT command sending module and the AT command receiving module, can be provided with a plurality of AT channels in parallel, supports intercurrent multi-business of the terminal module and closes the AT channels after business is finished, thereby saving large channel resources.
Description
Technical field
The present invention relates to communication technique field, relate in particular to a kind of device, method and system of the AT of processing order.
Background technology
In the modern society, along with the quickening of people's rhythm of life, portable terminal has become the requisite liaison instrument of people.Carrying out of the various communication traffics of portable terminal all be unable to do without the AT order, especially carries out in the mutual process with protocol stack.At present each big protocol stack provides manufacturer that external interface no longer is provided, and is to use international AT order (V.25 standard), make protocol stack beyond each module carry out alternately with protocol stack by the AT order, to reach the encapsulation of information.
Carry out service interaction and just need carry out business data transmission by passage, wherein, the AT passage is a virtual AT order transmitting-receiving transmission channel, the bearing mode that is equivalent to the AT order, be similar to a bus on the PC, the transmission and the reception of all AT orders are all carried out on this AT passage, and promptly the AT passage provides delivering path for the AT order.
According to present AT ordering norms, the general single-channel mode that adopts, follow-up AT order takes to stop the method for grade, wait for and just can send next AT order after the previous command response is returned, be that AT order serial on passage sends, need after receiving last AT command response, could initiate second AT order, otherwise will cancel the mutual of previous AT order, and can not realize that multi-service is parallel.Along with increasing of communication traffic, as search net, call out control, function such as short message, SIM card operation, PS dial up on the telephone; Simultaneously the AT command response time of some communication traffic correspondence longer, some then the response time shorter, if carry out the transmitting-receiving of AT order on same AT passage, follow-up AT order need be waited in line, efficient is low.
Prior art above-mentionedly can not realize the concurrent technical problem of multi-service in order to solve, and generally adopts the multichannel concurrent operations, promptly once can open one or more AT passages, realizes that multi-service is concurrent, can improve professional interactive efficiency.But in most of the cases professional few, may only use a passage, other passages all are in idle condition generally speaking, cause the waste of channel resource.
Summary of the invention
One of purpose of the present invention is to provide a kind of device, method and system of the AT of processing order, and concurrent to realize multi-service, traffic carrying capacity is closed the AT passage of having finished using after a little while simultaneously, saves channel resource.
Technical scheme of the present invention is as follows:
The present invention proposes a kind of device of the AT of processing order, it comprises: AT order sending module and AT order receiver module;
Described AT order sending module is used to receive the business information from terminal module, calls the application function and sends AT passage application information to AT order receiver module;
Described AT order receiver module is the AT passage of opening transmission AT order between AT order sending module and the AT order receiver module and receiving the AT command response message according to AT passage application information, closes the AT passage of having finished using; The AT order is sent to data conversion module, and receives AT command response message from data conversion module.
The device of described processing AT order, wherein, described AT order receiver module comprises AT channel queue administration module; Described AT channel queue administration module is used to write down the state of AT passage, and described AT order receiver module selects to open the AT passage according to the state of this AT passage.
The device of described processing AT order, wherein, described AT channel queue administration module is provided with: user mode AT channel list and closed condition AT channel list;
Wherein, described user mode AT channel list is used to write down the channel number of the AT passage that is in user mode;
Described closed condition AT channel list is used to write down the channel number of the AT passage that is in closed condition.
The device of described processing AT order, wherein, described AT channel queue administration module is used for changing the channel number of described AT passage of closing over to closed condition AT channel list by user mode AT channel list.
The device of described processing AT order, wherein, the channel number that described channel queue administration module is used for the described AT passage of opening changes user mode AT channel list over to by closed condition AT channel list.
The present invention proposes a kind of method of the AT of processing order in addition, and it may further comprise the steps:
Open the AT passage according to AT passage application information;
Order by described AT channel transfer AT, and data transaction and mutual is carried out in described AT order, generate the AT command response message;
Return described AT command response message by described AT passage, and close described AT passage.
The method of described processing AT order wherein, also comprises step before the described step of opening the AT passage according to AT passage application information:
Call AT passage application function and generate AT passage application information.
The method of described processing AT order, wherein, the described step of opening the AT passage according to AT passage application information may further comprise the steps:
According to the state of AT passage application information inquiry AT passage, select to open the AT passage according to the state of AT passage.
The method of described processing AT order, wherein, the described step of opening the AT passage according to AT passage application information also comprises step:
Initialization AT passage context, global variable value and AT order spatial cache;
The channel number of AT passage is changed in the user mode AT channel list by closed condition AT channel list;
Return the channel number of this AT passage.
The method of described processing AT order wherein, is returned described AT command response message by described AT passage, and the step of closing described AT passage also comprises step:
Detect definite described AT passage and finish using, close described AT passage, and remove this AT passage context;
The channel number of AT passage is changed over to the closed condition AT channel list from user mode AT channel list.
The present invention also proposes a kind of system of the AT of processing order, it comprises: terminal module, data conversion module and protocol stack control module, described data conversion module is connected with described terminal module, protocol stack control module respectively, be used for AT order data mutual between terminal module and the protocol stack control module is changed, wherein, described system also comprises AT order sending module and AT order receiver module;
Described AT orders sending module, is used for the business information of receiving terminal module, calls the application function and sends AT passage application information to AT order receiver module;
Described AT order receiver module, according to AT passage application information is to open the AT passage of transmission AT order and AT command response message between AT order sending module and AT order receiver module, close the AT passage of having finished using, send the AT order and receive AT command response message from data conversion module to data conversion module.
The system of described processing AT order, wherein, described AT order receiver module comprises AT channel queue administration module; Described AT channel queue administration module is used to write down the state of AT passage, and described AT order receiver module selects to open the AT passage according to the state of this AT passage.
The system of described processing AT order, wherein, described AT channel queue administration module is provided with: user mode AT channel list and closed condition AT channel list;
Wherein, described user mode AT channel list is used to write down the channel number of the AT passage that is in user mode;
Described closed condition AT channel list is used to write down the channel number of the AT passage that is in closed condition.
The system of described processing AT order, wherein, described AT channel queue administration module is used for changing the channel number of described AT passage of closing over to closed condition AT channel list by user mode AT channel list.
The system of described processing AT order, wherein, the channel number that described channel queue administration module is used for the described AT passage of opening changes user mode AT channel list over to by closed condition AT channel list.
A kind of device, method and system of handling the AT order provided by the present invention, its system is on the basis of original system, once established application AT passage and send the AT order sending module of AT order and the AT passage is provided and the AT order is sent to the AT order receiver module of data conversion module, realized the parallel AT passage of opening a plurality of transmission AT order, multi-service with the support terminal module is concurrent, after professional finishing, close the AT passage of having finished using simultaneously, compared with prior art saved a large amount of channel resources.
Description of drawings
Fig. 1 is the device schematic diagram of processing AT of the present invention order;
Fig. 2 is a flow chart of opening the AT passage in the method for processing of the present invention AT order;
Fig. 3 is the flow chart of closing the AT passage in the method for processing of the present invention AT order;
Fig. 4 is the method flow diagram of processing AT of the present invention order;
Fig. 5 is the system configuration schematic diagram of processing AT of the present invention order.
Make a more detailed description below in conjunction with accompanying drawing each preferred embodiment device of the present invention, method and system.
Embodiment
The device of processing AT of the present invention order can provide a plurality of AT passages for terminal module, concurrent to realize multi-service, as when making a phone call, receiving and dispatching short message, simultaneously do not have service interaction or have only small number of service to carry out when mutual at terminal module, this device can be with the AT pathway closure of having finished using, to save channel resource.Device of the present invention, referring to Fig. 1, it comprises that AT order sending module 10, AT order receiver module 20; Wherein, described AT order sending module 10 is used to receive the business information from terminal module, as call business information or SMS service information, call the application function in the AT order receiver module then, generate an AT passage application information, and this AT passage application information is sent to AT order receiver module 20, to its application AT passage; After AT passage application success, the AT passage that this application arrives is to the 20 transmission AT orders of AT order receiver module;
Described AT order receiver module 20 comprises AT channel queue administration module 21 and AT order caching management module 22, wherein, described AT channel queue administration module 21 is used to write down the state of AT passage, and described AT order receiver module 20 selects to open the AT passage according to the state of this AT passage.Be provided with in the described AT channel queue administration module 21: user mode AT channel list and closed condition AT channel list; Wherein, described user mode AT channel list is used to write down the channel number of the AT passage that is in user mode; Described closed condition AT channel list is used to write down the channel number of the AT passage that is in closed condition; After AT order receiver module 20 is received AT passage application information, at first inquire about in the closed condition AT channel list of AT channel queue administration module 21 and whether have the AT passage that is in closed condition, if have, then select to open one of them AT passage, and the channel number of this AT passage changed over to from the closed condition channel list in the user mode AT channel list, call the application function of himself then, obtain the channel number of AT passage, and this channel number fed back to AT order sending module 10, search corresponding AT passage after described AT order sending module 10 is received this channel number, send the AT order by this AT passage to AT order receiver module 20 then; If do not have, then open failure information to AT passage sending module 10 feedback AT passages.
After AT order receiver module 20 is received the AT order, at first preserve, then the AT order that this AT command conversion can be discerned for the protocol stack control module by data conversion module by 22 pairs of this AT orders of AT order caching management module; When data conversion module that this AT command conversion is successful, then AT order caching management module is with AT order deletion, with the release disk space; The AT order of data conversion module after with described data transaction simultaneously is sent to the protocol stack control module and handles, after disposing, the protocol stack control module is converted to the AT command response message of AT command format again by data conversion module, feed back to AT order receiver module 20 by data conversion module again, last AT channel transfer of being applied for by AT order sending module 10 by AT order receiver module 20 is again ordered sending module 10 to AT.
At this moment, device of the present invention is that system has finished service interaction one time, and after service interaction was finished, AT order receiver module 20 was with the AT pathway closure; By AT channel queue administration module 21 channel number of this AT passage is gone into to close the state AT channel list from the transfer of user mode AT channel list then.
Device of the present invention, when terminal module is initiated a lot of service interactions simultaneously, can order sending module 10 simultaneously to many AT passages of AT order connection module 20 applications by AT, so that transmit many AT orders simultaneously to AT order receiver module 20, thereby realize that multi-service is concurrent mutual, finish when a certain service interaction simultaneously, can close the used AT passage of this service interaction, to save the AT channel resource by AT channel queue administration module 21.
The method of processing AT of the present invention order, comprise three phases, the AT passage is opened stage, AT order carry out protocol stack processing stage the, AT pathway closure stage, wherein, the AT passage is opened the stage and the AT pathway closure stage is a core inventive point of the present invention, below its idiographic flow step is described in detail;
The AT passage is opened the stage, and referring to Fig. 2, its step is as follows:
Step L1, call AT passage application function, generate AT passage application information;
Step L2, according to AT passage application information, search whether there is the AT passage that is in closed condition, if then change step L3 over to; If not, then change step L31 over to;
An AT passage is opened in step L3, selection, and the AT passage context of this AT passage of initialization, and the global variable value also is provided with AT order spatial cache;
Step L31, feedback AT passage are opened failure information;
Step L4, the channel number of this AT passage added change over to the user mode AT channel list from closed condition AT channel list;
Step L5, call AT passage application function and obtain, and feed back the channel number of this AT passage;
Step L6, search corresponding AT passage, and send the AT order by this AT passage according to described channel number.
In the AT pathway closure stage, referring to Fig. 3, its concrete steps are as follows:
Whether step K 1, inspection exist the AT passage of opening of having finished using, if change step K 2 over to; If not, then change step K 21 over to;
Step K 3, the channel number of this AT passage is changed over to the closed condition AT channel list from user mode AT channel list.
The method of processing AT of the present invention order when terminal module has service interaction, is opened an AT passage by application function application application, and is sent the AT order by this AT passage, then will close the AT passage after receiving the AT command response message; If current had the AT order just at wait-for-response, system receives an AT order again, can provide second AT passage in order to send this AT order; Method of the present invention when a plurality of service needed are mutual, can be competed each other and select different AT passages to carry out AT order transmitting-receiving; Referring to Fig. 4, its concrete process step is as follows:
Step S1, terminal module are initiated service interaction, and generate business information;
Step S2, generate the AT order, and call AT passage application function and generate AT passage application information, in order to application AT passage according to business information;
Step S3, according to AT passage application information, the inquiry whether have the available AT passage that is in closed condition, if change step S4 over to; If not, then change step S41 over to;
An AT passage is opened in step S4, selection, this selected AT passage is carried out the initialization setting, from closed condition AT channel list, change over to the channel number of the AT passage opened in the user mode AT channel list, call AT passage application function then, obtain the channel number of this AT passage, and feed back the channel number of this AT passage;
Described AT passage initialization setting comprises: global variable value, AT passage concern that context, AT order spatial cache;
Step S41, feedback AT passage are opened failure information;
Step S5, search its corresponding AT passage according to the channel number of AT passage, and by this AT channel transfer AT order;
Step S6, order is preserved to described AT, and the AT order that then this AT command conversion is become the protocol stack control module to discern number adds the channel number of AT passage in AT after this conversion orders as information index, and is sent to the protocol stack control module;
In above-mentioned steps S6, after this AT command conversion success, again this AT order is deleted, with the release disk space.
Step S7, AT order is carried out data transaction after handling by the protocol stack control module again, generates the AT command response message;
Wherein, the channel number of described AT passage is kept in the AT command response message with the form initial value of information index number; Be used to search the AT passage of this channel number correspondence;
Step S8, find corresponding AT passage according to described AT command response message, and by this corresponding AT passage feedback AT command response message;
When not having the channel number information of corresponding AT passage in the AT command response message, the channel number of the AT passage of then all having been opened joins in the AT command response message, promptly can feed back this AT command response message from arbitrary AT passage of having opened;
Finished the mutual of business this moment, the AT passage is finished using, in order to save channel resource, needs this AT pathway closure, and its step is as follows:
Whether step S9, inspection exist the AT passage of opening of having finished using, if then change step S11 over to; If not, change step S10 over to;
Step S10, close this AT passage, remove this AT channel status parameter, cancel this AT passage context, and the channel number of this AT passage is changed over to the closed condition AT channel list from user mode AT channel list, then with feedback result, inform that described AT passage closes;
Step S11, feedback error cause information;
When terminal module is initiated one or more business information again between described step S1 to S10, system synchronization repeated execution of steps S1 to S10, but the AT passage is different with the AT passage that has been applied use before, promptly order is the SMS service order as hypothesis article one AT, after sending to the AT passage, for a certain reason (as network busy, perhaps bulk SMS) also do not receive response, come the AT order of call business this moment again, then second AT passage opened in application again, the relevant AT order of call business sent out send, carry out SMS service like this and need not wait for simultaneously that short message sends to finish and to carry out the mutual of call business by second AT passage.
Wherein, described AT passage can be physical serial interface, MUX virtual serial port and logic serial ports or the like, method of the present invention, can realize multiple services concurrent, can close the AT passage of finishing using again, the waste that causes channel resource too much of avoiding passage to open in traffic carrying capacity after a little while, guarantee the repeated use of passage between each business, improved the interactive efficiency of AT order.
The system of processing AT of the present invention order, for realizing that both but multi-service was concurrent, can not close the AT passage of having finished using for a long time in business again, save channel resource, AT order sending module and AT order receiver module in original system, have been increased, referring to Fig. 5, it comprises: terminal module 11, AT orders sending module 12, AT orders receiver module 13, data conversion module 14, protocol stack control module 15, wherein, described AT order sending module 12 and described terminal module 11, and 13 connections of AT order receiver module, described data conversion module 14 is connected with described AT order receiver module 13 and protocol stack control module 15;
Described terminal module 11 is used for sending business information to AT order sending module 12;
Described AT order sending module 12 is used for the business information of receiving terminal module 11, call the application function in the AT order receiver module, generate an AT passage letter of application, then this AT passage application information is sent to AT order receiver module 13, after AT passage application success, the AT order is ordered receiver module 13 by the AT channel transfer that this application arrives to AT;
Described AT order receiver module 13 is provided for transmitting the AT passage of AT order and AT command response message according to described AT passage application information between AT order sending module 12 and AT order receiver module 13; And AT order sent to data conversion module 14 and receive AT command response message from data conversion module 14;
Described AT order receiver module 13 also comprises AT channel queue administration module 131 and AT order caching management module 132, described AT channel queue administration module 131 is used to write down the state of AT passage, and described AT order receiver module 13 selects to open the AT passage according to the state of this AT passage.Be provided with in the described AT channel queue administration module 131: user mode AT channel list and closed condition AT channel list; Wherein, described user mode AT channel list is used to write down the channel number of the AT passage that is in user mode; Described closed condition AT channel list is used to write down the channel number of the AT passage that is in closed condition; After AT order receiver module 13 is received AT passage application information, at first inquire about and whether have the AT passage that is in closed condition in the closed condition channel list, if have, then select to open one of them AT passage, and the channel number of this AT passage changed over to from the closed condition channel list in the user mode AT channel list, call the application function of himself then, obtain the channel number of AT passage, and this channel number fed back to AT order sending module 12, search corresponding AT passage after described AT order sending module 12 is received this channel number, send the AT order by this AT passage to AT order receiver module 13 then; If do not have, then open failure information to AT order sending module 12 feedback AT passages.
After described AT order receiver module 13 is received described AT order, by AT order caching management module 132 this AT order is preserved, and then call 14 pairs of AT orders of data conversion module and carry out data transaction, be converted into the discernible AT order of protocol stack control module 15, and the AT command conversion after protocol stack control module 15 handled is the AT command response message of AT command format.
Wherein, after 14 pairs of AT command conversion successes of data conversion module, AT order caching management module 132 is deleted the AT order, with the release disk space.
Described protocol stack control module 15 is used for the AT after changing by data conversion module 14 order is handled, and this processing procedure belongs to prior art, does not repeat them here.
System of the present invention adopts the mode of setting up AT order sending module and AT order receiver module on the basis of original system, realizes the AT passage of dynamic creation transmission AT order, concurrent to realize multi-service, and can after service interaction finishes, close the AT passage, to save channel resource.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a device of handling the AT order is characterized in that it comprises: AT order sending module and AT order receiver module;
Described AT order sending module is used to receive the business information from terminal module, calls the application function and sends AT passage application information to AT order receiver module;
Described AT order receiver module is the AT passage of opening transmission AT order between AT order sending module and the AT order receiver module and receiving the AT command response message according to AT passage application information, closes the AT passage of having finished using; The AT order is sent to data conversion module, and receives AT command response message from data conversion module.
2. the device of processing AT according to claim 1 order is characterized in that, described AT order receiver module comprises AT channel queue administration module; Described AT channel queue administration module is used to write down the state of AT passage, and described AT order receiver module selects to open the AT passage according to the state of this AT passage.
3. the device of processing according to claim 2 AT order is characterized in that, described AT channel queue administration module is provided with: user mode AT channel list and closed condition AT channel list;
Wherein, described user mode AT channel list is used to write down the channel number of the AT passage that is in user mode;
Described closed condition AT channel list is used to write down the channel number of the AT passage that is in closed condition.
4. the device of processing according to claim 3 AT order is characterized in that, described AT channel queue administration module is used for changing the channel number of described AT passage of closing over to closed condition AT channel list by user mode AT channel list.
5. the device of processing AT according to claim 3 order is characterized in that described channel queue administration module is used for changing the channel number of the described AT passage of opening over to user mode AT channel list by closed condition AT channel list.
6. handle the method that AT orders for one kind, it may further comprise the steps:
Open the AT passage according to AT passage application information;
Order by described AT channel transfer AT, and data transaction and mutual is carried out in described AT order, generate the AT command response message;
Return described AT command response message by described AT passage, and close described AT passage.
7. the method for processing according to claim 6 AT order is characterized in that, also comprises step before the described step of opening the AT passage according to AT passage application information:
Call AT passage application function and generate AT passage application information.
8. the method for processing according to claim 7 AT order is characterized in that, describedly may further comprise the steps according to the step of please information in the AT passage opening the AT passage:
According to the state of AT passage application information inquiry AT passage, select to open the AT passage according to the state of AT passage.
9. according to the methods of claim 6,7 or 8 described processing AT orders, it is characterized in that the described step of opening the AT passage according to AT passage application information also comprises step:
Initialization AT passage context, global variable value and AT order spatial cache;
The channel number of AT passage is changed in the user mode AT channel list by closed condition AT channel list;
Return the channel number of this AT passage.
10. the method for processing according to claim 9 AT order is characterized in that, returns described AT command response message by described AT passage, and the step of closing described AT passage also comprises step:
Detect definite described AT passage and finish using, close described AT passage, and remove this AT passage context;
The channel number of AT passage is changed over to the closed condition AT channel list from user mode AT channel list.
11. system that handles the AT order, it comprises: terminal module, data conversion module and protocol stack control module, wherein, described data conversion module is connected with described terminal module, protocol stack control module respectively, be used for AT order data mutual between terminal module and the protocol stack control module is changed, it is characterized in that described system also comprises AT order sending module and AT order receiver module;
Described AT orders sending module, is used for the business information of receiving terminal module, calls the application function and sends AT passage application information to AT order receiver module;
Described AT order receiver module, according to AT passage application information is to open the AT passage of transmission AT order and AT command response message between AT order sending module and AT order receiver module, close the AT passage of having finished using, send the AT order and receive AT command response message from data conversion module to data conversion module.
12. the system of processing AT according to claim 11 order is characterized in that, described AT order receiver module comprises AT channel queue administration module; Described AT channel queue administration module is used to write down the state of AT passage, and described AT order receiver module selects to open the AT passage according to the state of this AT passage.
13. the system of processing according to claim 12 AT order is characterized in that, described AT channel queue administration module is provided with: user mode AT channel list and closed condition AT channel list;
Wherein, described user mode AT channel list is used to write down the channel number of the AT passage that is in user mode;
Described closed condition AT channel list is used to write down the channel number of the AT passage that is in closed condition.
14. the device of processing according to claim 13 AT order is characterized in that, described AT channel queue administration module is used for changing the channel number of described AT passage of closing over to closed condition AT channel list by user mode AT channel list.
15. the device of processing AT according to claim 13 order is characterized in that the channel number that described channel queue administration module is used for the described AT passage of opening changes user mode AT channel list over to by closed condition AT channel list.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910188939 CN101742701A (en) | 2009-12-15 | 2009-12-15 | Device, method and system for treating AT command |
| PCT/CN2010/076552 WO2011072537A1 (en) | 2009-12-15 | 2010-09-02 | Apparatus, method and system for processing at commands |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910188939 CN101742701A (en) | 2009-12-15 | 2009-12-15 | Device, method and system for treating AT command |
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| CN101742701A true CN101742701A (en) | 2010-06-16 |
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| WO (1) | WO2011072537A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011072537A1 (en) * | 2009-12-15 | 2011-06-23 | 中兴通讯股份有限公司 | Apparatus, method and system for processing at commands |
| CN102665298A (en) * | 2012-02-06 | 2012-09-12 | 福建三元达软件有限公司 | Wireless communication module multiple return state processing method in foreground-background design |
| TWI497952B (en) * | 2012-03-26 | 2015-08-21 | Chi Mei Comm Systems Inc | System and method for decreasing loading of an at channel |
| WO2018072640A1 (en) * | 2016-10-19 | 2018-04-26 | 中兴通讯股份有限公司 | Interface control command processing method and modem equipment |
| CN109587363A (en) * | 2018-11-30 | 2019-04-05 | 京信通信系统（中国）有限公司 | A kind of modem |
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|---|---|---|---|---|
| GB201321148D0 (en) | 2013-11-29 | 2014-01-15 | Bridgeworks Ltd | Data transfer |
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| US20060075149A1 (en) * | 2004-10-01 | 2006-04-06 | Via Telecom Co., Ltd. | Communications command control system with a software based at command receiver/transmitter |
| CN101227469B (en) * | 2008-01-23 | 2010-12-08 | 中兴通讯股份有限公司 | Method for implementing mobile terminal parallel business processing |
| CN101742701A (en) * | 2009-12-15 | 2010-06-16 | 中兴通讯股份有限公司 | Device, method and system for treating AT command |
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2009
- 2009-12-15 CN CN 200910188939 patent/CN101742701A/en active Pending
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072537A1 (en) * | 2009-12-15 | 2011-06-23 | 中兴通讯股份有限公司 | Apparatus, method and system for processing at commands |
| CN102665298A (en) * | 2012-02-06 | 2012-09-12 | 福建三元达软件有限公司 | Wireless communication module multiple return state processing method in foreground-background design |
| CN102665298B (en) * | 2012-02-06 | 2014-07-30 | 福建三元达软件有限公司 | Wireless communication module multiple return state processing method in foreground-background design |
| TWI497952B (en) * | 2012-03-26 | 2015-08-21 | Chi Mei Comm Systems Inc | System and method for decreasing loading of an at channel |
| WO2018072640A1 (en) * | 2016-10-19 | 2018-04-26 | 中兴通讯股份有限公司 | Interface control command processing method and modem equipment |
| CN107968717A (en) * | 2016-10-19 | 2018-04-27 | 中兴通讯股份有限公司 | The processing method and modem Modem equipment of a kind of Interface Controller order |
| CN107968717B (en) * | 2016-10-19 | 2022-05-24 | 中兴通讯股份有限公司 | Processing method of interface control command and Modem device |
| CN109587363A (en) * | 2018-11-30 | 2019-04-05 | 京信通信系统（中国）有限公司 | A kind of modem |
| CN109587363B (en) * | 2018-11-30 | 2021-06-22 | 京信通信系统（中国）有限公司 | Modem |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011072537A1 (en) | 2011-06-23 |
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