CN103973753B - A kind of method and apparatus of data processing - Google Patents
A kind of method and apparatus of data processing Download PDFInfo
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- CN103973753B CN103973753B CN201310047113.2A CN201310047113A CN103973753B CN 103973753 B CN103973753 B CN 103973753B CN 201310047113 A CN201310047113 A CN 201310047113A CN 103973753 B CN103973753 B CN 103973753B
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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
- H04L69/22—Parsing or analysis of headers
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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
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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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
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides the method and embedded device of a kind of data processing, after this method includes the dhcp request that embedded device receives main equipment, distributes a lan address and gateway for the main equipment；The data packet that the embedded device is sent by main equipment described in MBIM interface；The embedded device judges the intranet and extranet type of the data packet, is performed corresponding processing according to different types of data packet.The present invention utilizes MBIM network interface card protocol interface, by using ICP/IP protocol stack Standard IP data packet, realizing to the various control based on MBIM mobile broadband equipment on MBIM data path.
Description
Technical field
The invention belongs to embedded developments and communication technique field, more particularly to the method and insertion of a kind of data processing
Formula equipment.
Background technique
MBIM (Mobile Broadband Interface Model, mobile broadband interface model) agreement be Microsoft with
The new agreement that the cooperation of USB (Universal Serial BUS, universal serial bus) international organization is released, is NCM
2.0 editions of (Network Control Model, network-control model) agreement, MBIM agreement will become the following mobile broadband
Main application form.MBIM equipment is realized by control command as defined in agreement to network, short message, phone directory, SIM
(SIM TOOL KIT, user identify application by (Subscriber Identity Module, user identification module) card, STK
Development tools), the industry such as USSD (Unstructured Supplementary Service Data, non-structural supplementary data)
Business is uniformly controlled and manages, and is a kind of mobile broadband application for exempting from manufacturer's driving.
It is supported based on MBIM interface mobile broadband equipment, access the PC (PC) and other equipment of MBIM, data are logical
It all in the wide area network IP address taken, realizes road IP (Internet Protocol, the agreement interconnected between network) address
WIN8PC or other access of support MBIM equipment to network.Control for MBIM mobile broadband equipment, mainly passes through
The CID (Command Identifier, command id) of the control data channel of MBIM protocol definition controls equipment.
MBIM agreement is the expansion realized using the cid data of USB control channel transmission to functions such as short message, phone directory, STK
It fills and manages；It is all a service (Service) progress as MBIM for short message, phone directory, STK in MBIM agreement
Management has a serviceID for each service, and each service corresponds to Management Information Base, is known as in MBIM agreement
CID, for carrying out control and data interaction to each service.
USB control channel is suitble to the interaction of small data quantity, and this control is customized to needing to be continuously increased with equipment manufacturer
CID request, while needing to develop based on PC or the corresponding application program of other equipment, big data quantity transmission is controlled with complicated
System is difficult to accomplish.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of data processing and embedded devices, to realize to base
In the various control of MBIM mobile broadband equipment.
In order to solve the above-mentioned technical problems, the present invention provides a kind of methods of data processing, comprising:
After embedded device receives the dhcp request of main equipment, an office is distributed for the main equipment
Domain net address and gateway；
The data that the embedded device is sent by main equipment described in mobile broadband interface model (MBIM) interface
Packet；
The embedded device judges the intranet and extranet type of the data packet, is carried out according to different types of data packet corresponding
Processing.
Further, the above method also has the characteristics that following: the type of the judgement data packet, according to variety classes
Data packet perform corresponding processing and include:
Embedded device data packet as described in judging is Intranet IP data packet, then carries out to the Intranet IP data packet
Parsing, performs corresponding processing according to the data parsed.
Further, the above method also has the characteristics that following:
The data packet that the main equipment is sent is the IP data packet for including setting embedded type equipment parameter,
Embedded device data packet as described in judging is Intranet IP data packet, then carries out to the Intranet IP data packet
Parsing, performs corresponding processing according to the data parsed and includes:
The embedded device judges that the IP data packet for Intranet IP data packet, then solves the Intranet IP data packet
Embedded type equipment parameter is arranged according to the result after parsing in analysis.
Further, the above method also has the characteristics that following:
The data packet that the main equipment is sent is the IP number for including the acquisition embedded device internal state information instruction
According to packet,
Embedded device data packet as described in judging is Intranet IP data packet, then carries out to the Intranet IP data packet
Parsing, performs corresponding processing according to the data parsed and includes:
The embedded device judges that the IP data packet for Intranet IP data packet, then solves the Intranet IP data packet
Analysis, returns to main equipment for embedded device status information according to the result after parsing.
Further, the above method also has the characteristics that following: the type of the judgement data packet, according to variety classes
Data packet perform corresponding processing and include:
The data packet as described in judging is wide area network data packet, then the wide area network data is forwarded a packet to wide area network data and led to
Mouthful.
To solve the above-mentioned problems, the present invention also provides a kind of embedded devices, support mobile broadband interface model
(MBIM) interface, comprising:
First module, after the dhcp request for receiving main equipment, for main equipment distribution one
A lan address and gateway；
Second module, the data packet for being sent by main equipment described in the MBIM interface；
Third module carries out corresponding for judging the intranet and extranet type of the data packet according to different types of data packet
Processing.
Further, above-mentioned embedded device also has the characteristics that following: the third module includes,
First unit is Intranet IP data packet for the data packet as described in judging, then carries out to the Intranet IP data packet
Parsing, performs corresponding processing according to the data parsed.
Further, above-mentioned embedded device also has the characteristics that following:
The data packet that the main equipment is sent is the IP data packet for including setting embedded type equipment parameter,
The first unit is specifically used for judging the IP data packet for Intranet IP data packet, then to the Intranet IP data
Packet is parsed, and embedded type equipment parameter is arranged according to the result after parsing.
Further, above-mentioned embedded device also has the characteristics that following:
The data packet that the main equipment is sent is the IP number for including the acquisition embedded device internal state information instruction
According to packet,
The first unit is specifically used for judging the IP data packet for Intranet IP data packet, then to the Intranet IP data
Packet is parsed, and embedded device status information is returned to main equipment according to the result after parsing.
Further, above-mentioned embedded device also has the characteristics that following: the third module includes,
Second unit is wide area network data packet for the data packet as described in judging, then forwards the wide area network data packet
To wide area network data port.
To sum up, the present invention provides the method and embedded device of a kind of data processing, using MBIM network interface card protocol interface, leads to
It crosses on MBIM data path, using ICP/IP protocol stack Standard IP data packet, realizes to based on MBIM mobile broadband equipment
Various control is to provide a kind of innovation and application to the use of MBIM agreement and equipment.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embedded device of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the method for data processing of the embodiment of the present invention；
Fig. 3 is the schematic diagram of existing general MBIM Streams Module composition；
Fig. 4 is the schematic diagram that the MBIM Streams Module of the embodiment of the present invention forms；
Fig. 5 is the flow chart of the embodiment of the present invention being configured to LTE FDD frequency range.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
For a better understanding of the present invention, the present invention is further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the embedded device (equipment A) of the present embodiment, supports MBIM interface, comprising:
First module, (Dynamic Host ConfigurationProtocol is moved the DHCP for receiving main equipment
State host configuration) after request, a lan address and gateway are distributed for the main equipment；
Second module, the data packet for being sent by main equipment described in the MBIM interface；
Third module carries out corresponding for judging the intranet and extranet type of the data packet according to different types of data packet
Processing.
Wherein, the third module includes,
First unit is Intranet IP data packet for the data packet as described in judging, then carries out to the Intranet IP data packet
Parsing, performs corresponding processing according to the data parsed.
Second unit is wide area network data packet for the data packet as described in judging, then forwards the wide area network data packet
To wide area network data port.
Wherein in a preferred embodiment, the data packet that the main equipment is sent be include setting embedded type equipment parameter
IP data packet,
The first unit is specifically used for judging the IP data packet for Intranet IP data packet, then to the Intranet IP data
Packet is parsed, and embedded type equipment parameter is arranged according to the result after parsing.
Wherein in a preferred embodiment, the data packet that the main equipment is sent is to include in the acquisition embedded device
The IP data packet of portion's status information instruction,
The first unit is specifically used for judging the IP data packet for Intranet IP data packet, then to the Intranet IP data
Packet is parsed, and embedded device status information is returned to main equipment according to the result after parsing.
Fig. 2 is a kind of flow chart of the method for data processing of the embodiment of the present invention, as shown in Fig. 2, the side of the present embodiment
Method includes:
After S10, embedded device receive the dhcp request of main equipment, for main equipment distribution one
A lan address and gateway；
The data that S20, embedded device are sent by main equipment described in mobile broadband interface model (MBIM) interface
Packet；
S30, embedded device judge the intranet and extranet type of the data packet, are carried out according to different types of data packet corresponding
Processing.
Two kinds of equipment are frequently referred in the embodiment of the present invention, are replaced below with equipment A and equipment B:
Equipment A: providing the embedded device of MBIM mobile broadband interface, such as: MBIM interface data card etc. is provided；
Equipment B: providing the equipment (i.e. main equipment) of MBIM host interface, such as: WIN8 system PC, WIN8 system flat-plate
Deng；
Have an application according to agreement and at present, when the MBIM interface access device B of equipment A, is got after the networking of equipment B
IP address is wide area network IP address, the visit for being from Wide Area Network IP data packet, realizing to WAN network of equipment B processing
It asks, the schematic diagram that the equipment A of the prior art is connect with equipment B is as shown in Figure 3.But for the control number of the inside of equipment A
According to cannot switch to IP data packet and pass to equipment B to be handled.
Equipment A in the present embodiment is with the equipment B schematic diagram connecting as shown in figure 4, by the control data inside equipment A
Switch to IP bag data, realize the interaction with equipment B, is forwarded and handles to wide area network data packet is received inside equipment A,
Wide area network data packet is sent directly to eat dishes without rice or wine, the local net network IP data packet that equipment B is interacted with equipment A inside equipment A into
One step dissection process, to realize control of the equipment B to equipment A.
As shown in figure 4, the embodiment of the present invention may include following module:
WAN (wide area network) module, realizes the linkage function of Wide Area Network, the basic module with MBIM function device, this
It can be with LTE (Long Term Evolution, long term evolution) FDD (Frequency Division in embodiment
Duplexing, frequency division duplex) module be example；
Network management module (is equivalent to the first module, the second module and third module), realizes to Intranet and outer net IP number
According to the transmitting-receiving and forward process function of packet；
Control module (according in the first unit of third module) is realized to the parsing of Intranet IP data packet and to equipment
The specific control function of A.
Using the TCP of the data path of MBIM agreement, (Transmission ControlProtocol is passed in the present embodiment
Transport control protocol view)/IP stack model, extension support data path control equipment A function, comprising the following steps:
Step 11, equipment A are enumerated as MBIM standard device in access device B；
Wherein, equipment A provides network data management, i.e. intranet and extranet data pack receiving and transmitting and forwarding capability；
Step 12, when equipment B click is connected to network, original standard MBIM CID control data link and function are protected
Constant, DHCP (Dynamic HostConfiguration Protocol, the dynamic host configuration association of equipment A offer MBIM are provided
View) SERVER (server) receives the DHCP request sent of client, and the end SERVER is that it distributes an IP address, and equipment B is obtained
Get LAN IP address；
Step 13, equipment B wide area network data are sent data to by the NAT forwarding capability of equipment A and are eated dishes without rice or wine；
Step 14, equipment B Intranet IP data packet are sent to the control module of equipment A by NAT；
Step 15, equipment A pass through the parsing function of control module, and specific Intranet IP data packet is parsed；
Step 16 realizes the control to equipment A by parsing, to realize the friendship to equipment A and equipment B control data
Mutually.
The embodiment of the present invention is by extending MBIM in the application of data path, in the feelings for not increasing any USB enumeration port
Under condition, the control by data path to embedded device is realized, while guaranteeing the PC for accessing MBIM or other equipment to wide area
The access of net, to effective supplement of MBIM agreement application.
The embedded device application of existing applicable cases at present, MBIM only has WAN module and MBIM module composition.Work as equipment
After B issues networking request, equipment B issues DHCP request, and returning to IP address data is the IP address that WAN module is taken in public network,
Equipment B can realize the access to wide area network by equipment A.
And the processing IP bag data process of the embodiment of the present invention, it is totally different from the above process, detailed process is as follows:
After equipment B issues networking request, equipment B issues DHCP request, and DHCP request arrives first at network management module,
The DHCP server of network management module distributes a lan address and gateway for equipment B, such as: IP are as follows:
192.168.0.2 gateway are as follows: 192.168.0.1；
The wide-area network access IP data packet of equipment B reaches network management module, network management module by MBIM interface
Distinguishing data is wide-area network access data packet, this data packet can be issued to WAN module, finally sent data by WAN module
To wide area network；
The LAN IP data packet with control data of equipment B, after reaching network management module by MBIM interface, net
It is LAN data packet that network management module, which is distinguished, can give this data to control module, by control module to data carry out into
The parsing of one step.
By above-mentioned implementation process, it is achieved that access of the equipment B to wide area network and equipment A local area network.
Equipment A can also include: WEB SERVER module and WAN (for example, LTE FDD) information module.Certainly, according to reality
Border needs that specific other function control module can also be added.
WEB SERVER module realizes that, to WEB page request analysis function, WAN information module is realized to LTE FDD signal
Frequency range setting is connect, and obtains the information such as signal strength, connected state.
Following Examples is to the process of LTE FDD frequency range setting, and specific implementation process is as shown in figure 5, include the following steps:
When step 101, certain equipment B need to obtain the information such as LTE FDD signal strength, setting LTE FDD signal is issued
The request of intensity, the request are encapsulated as IP data packet format；
Step 102, signal strength reach the MBIM interface of equipment A and equipment B in the form of IP packet；
After step 103, data packet reach the network management module of equipment A, network management module handles the data packet, specifically
It is as follows:
Judge whether the data packet is LAN data packet, is eated dishes without rice or wine if not, delivering a packet to WAN module,
Data packet can be issued the WEB SERVER module in control module by Intranet IP data packet in this way, network management module；
Step 104, WEB SERVER module parse as LTE FDD information request, and data are issued WAN module；
After step 105, WAN module parse specifying information, specific frequency range setting work is completed, by corresponding data
Processing is completed；
If equipment B is the status information for obtaining equipment A WAN, after step 105 is completed in processing, status information energy
In a manner of HTTP, by data value returning equipment B, for example, equipment B gets LTEFDD network state information, while can also be with
The form of the page is shown.
By above scheme and process, is established in MBIM equipment and control of the equipment B to equipment A is realized by data channel
System.Examples detailed above simply by data path realize it is simple less and data volume is compared with small data communication service.When needing equipment B needs
When carrying out the transmission of high-volume data with equipment A, the communication and data exchange of ICP/IP protocol stack are realized, and it is wide not need access
When domain is netted, it is very important for application of the embodiment of the present invention.
The embodiment of the present invention is realized by the data path by the control function of control access in MBIM, does not need to make
It is realized with the mode that the control channel of MBIM equipment expands CID, while also not needing that the physical channel USB is provided separately, utilized
The existing data path of MBIM is realized.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
The above is only a preferred embodiment of the present invention, and certainly, the invention may also have other embodiments, without departing substantially from this
In the case where spirit and its essence, those skilled in the art make various corresponding changes in accordance with the present invention
And deformation, but these corresponding changes and modifications all should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. a kind of method of data processing, comprising:
Embedded device is enumerated as mobile broadband interface model MBIM standard device when accessing main equipment；
After embedded device receives the dhcp request of main equipment, a local area network is distributed for the main equipment
Address and gateway；
The IP data packet that the embedded device is sent by main equipment described in mobile broadband interface model MBIM interface；
The embedded device judges the local wan type of the IP data packet, is carried out according to different types of IP data packet
Corresponding processing；
Wherein, the embedded device judges the local wan type of the IP data packet, according to different types of IP data
Packet, which performs corresponding processing, includes:
Embedded device IP data packet as described in judging is LAN IP data packet, then to the LAN IP data packet into
Row parsing, performs corresponding processing according to the data parsed；
Embedded device IP data packet as described in judging is wide area network IP data packet, then turns the wide area network IP data packet
It is dealt into wide area network data port.
2. the method as described in claim 1, it is characterised in that:
The IP data packet that the main equipment is sent is the IP data packet for including setting embedded type equipment parameter,
Embedded device IP data packet as described in judging is LAN IP data packet, then to the LAN IP data packet into
Row parsing, performs corresponding processing according to the data parsed and includes:
The embedded device judges that the IP data packet for LAN IP data packet, then solves the LAN IP data packet
Embedded type equipment parameter is arranged according to the result after parsing in analysis.
3. the method as described in claim 1, it is characterised in that:
The IP data packet that the main equipment is sent is the IP data for including the acquisition embedded device internal state information instruction
Packet,
Embedded device IP data packet as described in judging is LAN IP data packet, then to the LAN IP data packet into
Row parsing, performs corresponding processing according to the data parsed and includes:
The embedded device judges that the IP data packet for LAN IP data packet, then solves the LAN IP data packet
Analysis, returns to main equipment for embedded device status information according to the result after parsing.
4. a kind of embedded device supports mobile broadband interface model MBIM interface, comprising:
First module after the dhcp request for receiving main equipment, distributes an office for the main equipment
Domain net address and gateway；
Second module, the IP data packet for being sent by main equipment described in the MBIM interface；
Third module is carried out for judging the local wan type of the IP data packet according to different types of IP data packet
Corresponding processing；
Wherein, the embedded device is enumerated as mobile broadband interface model MBIM standard device when accessing main equipment；
The third module includes,
First unit, for the IP data packet as described in judging be LAN IP data packet, then to the LAN IP data packet into
Row parsing, performs corresponding processing according to the data parsed；
The third module further includes,
Second unit is wide area network IP data packet for the IP data packet as described in judging, then turns the wide area network IP data packet
It is dealt into wide area network data port.
5. embedded device as claimed in claim 4, it is characterised in that:
The IP data packet that the main equipment is sent is the IP data packet for including setting embedded type equipment parameter,
The first unit is specifically used for judging the IP data packet for LAN IP data packet, then to the LAN IP data
Packet is parsed, and embedded type equipment parameter is arranged according to the result after parsing.
6. embedded device as claimed in claim 4, it is characterised in that:
The IP data packet that the main equipment is sent is the IP data for including the acquisition embedded device internal state information instruction
Packet,
The first unit is specifically used for judging the IP data packet for LAN IP data packet, then to the LAN IP data
Packet is parsed, and embedded device status information is returned to main equipment according to the result after parsing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047113.2A CN103973753B (en) | 2013-02-06 | 2013-02-06 | A kind of method and apparatus of data processing |
| PCT/CN2013/080122 WO2013185696A2 (en) | 2013-02-06 | 2013-07-25 | Data processing method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310047113.2A CN103973753B (en) | 2013-02-06 | 2013-02-06 | A kind of method and apparatus of data processing |
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| CN104410608A (en) * | 2014-11-06 | 2015-03-11 | 深圳市广和通无线通信软件有限公司 | Method enabling WIN8 system to operate wireless communication module through utilizing AT instructions |
| CN105681330A (en) * | 2016-02-29 | 2016-06-15 | 四川长虹电器股份有限公司 | Telecommunication internal network remote access method |
| CN108322616B (en) * | 2017-01-18 | 2021-09-03 | 中兴通讯股份有限公司 | Data processing method and voice data card |
| CN110708301B (en) * | 2019-09-24 | 2022-06-24 | 贝壳找房(北京)科技有限公司 | User request processing method and device, electronic equipment and storage medium |
| CN111131310B (en) * | 2019-12-31 | 2022-10-18 | 奇安信科技集团股份有限公司 | Access control method, device, system, computer device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158350A (en) * | 2011-02-12 | 2011-08-17 | 华为终端有限公司 | Mobile broadband equipment and mobile broadband equipment management method |
| CN102231878A (en) * | 2011-06-21 | 2011-11-02 | 中兴通讯股份有限公司 | Data card starting method and data card |
| CN102869125A (en) * | 2012-08-21 | 2013-01-09 | 中兴通讯股份有限公司 | Data card and communication method and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101867565A (en) * | 2010-04-13 | 2010-10-20 | 中兴通讯股份有限公司 | General drive method and driver for mobile broadband equipment |
| CN102769612B (en) * | 2012-06-27 | 2017-07-21 | 南京中兴新软件有限责任公司 | A kind of method, equipment and wireless communication terminal that GPS functions are realized based on MBIM |
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- 2013-02-06 CN CN201310047113.2A patent/CN103973753B/en active Active
- 2013-07-25 WO PCT/CN2013/080122 patent/WO2013185696A2/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158350A (en) * | 2011-02-12 | 2011-08-17 | 华为终端有限公司 | Mobile broadband equipment and mobile broadband equipment management method |
| CN102231878A (en) * | 2011-06-21 | 2011-11-02 | 中兴通讯股份有限公司 | Data card starting method and data card |
| CN102869125A (en) * | 2012-08-21 | 2013-01-09 | 中兴通讯股份有限公司 | Data card and communication method and system thereof |
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| Publication number | Publication date |
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| WO2013185696A2 (en) | 2013-12-19 |
| WO2013185696A3 (en) | 2014-02-06 |
| CN103973753A (en) | 2014-08-06 |
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