CN103581241A - Method for detecting media access control type and communication device - Google Patents
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Abstract
The invention provides a method for detecting a media access control type and a communication device. The method for detecting the media access control type comprises the following steps: a database is generated, wherein the database contains at least one feature for a medium; a media access control layer of the communication device is set according to the database; the existence of the medium is judged according to a set result. By the adoption of the technical scheme, the media access control type of the media access control layer can be detected.
Description
Technical field
The present invention detects about a kind of method and the communicator that type is controlled in media interviews, and an espespecially a kind of communicator that is used for being compatible with a plurality of media in a network system detects method and the corresponding communicator that type is controlled in media interviews.
Background technology
Along with the demand of user's access digital content increases day by day, multiple communication standard is formulated, in order to transmit this digital content.These communication standards are formulated to adapt to different environments for use, different transmission rate and/or different user's demands.In addition, media MAC layer/physical layer protocol can be formulated according to different communication standards, and wherein different communication standards can define different communication meanss according to different media.For instance, IEEE 1901 communication standards are for power line communication (power line communications, PLC), IEEE802.11 communication standard is to be for Ethernet and (the Multimedia over Coax Alliance of multimedia coaxial cable alliance for radio communication (being WiFi), IEEE802.3 communication standard, MoCA) communication standard is for coaxial wire, by that analogy.
Therefore, media interviews are controlled abstract sublayer (MAC abstraction sub-layer) and are formulated for integrating a plurality of communication standards.Please refer to Fig. 1, Fig. 1 is that an existing communicator 10 is in the schematic diagram of a datum plane.Communicator 10 can be a mobile phone, a notebook computer, a flat computer (tablet computer), an e-book, a modulator-demodulator or a portable computer system, and can communicate with different communication standards.As shown in Figure 1, media interviews are controlled abstract sublayer and are arranged at upper strata and control between the MAC layer of types corresponding to a plurality of media interviews of a plurality of communication standards.Upper strata can be a network layer (network layer), a transport layer (transport layer), an application layer (application layer) or is responsible for processing by media interviews and controls signal and the package that abstract sublayer receives, and controls the signal that transmits abstract sublayer and a communications protocol layers of package by media interviews.A plurality of media interviews of MAC layer control types include power line communication according to IEEE1901 communication standard, according to the WiFi of IEEE802.11 communication standard, according to the Ethernet of IEEE802.3 communication standard or according to the multimedia coaxial cable alliance of multimedia coaxial cable alliance communication standard.
Yet, according to current media interviews, control abstract sublayer framework, the media interviews control type (as Ethernet, WiFi, power line communication or multimedia coaxial cable alliance) that MAC layer below cannot be learnt in abstract sublayer is controlled in media interviews.Therefore, the MAC layer that communicator cannot suitably be controlled in abstract sublayer is controlled in media interviews.For instance, due to media interviews, control the media interviews of the uncertain MAC layer below in abstract sublayer and control type, media interviews are controlled the parameter that abstract sublayer may mis-arrange and are given MAC layer, the setting or the system mistake that cause communicator to be disabled.
Summary of the invention
Therefore, the invention provides a kind of method and communicator that type is controlled in media interviews that detect, to address the above problem.
The present invention discloses a kind of method that type is controlled in media interviews that detects, and the method includes generation one database, and wherein this database comprises at least one feature for media; According to this database, a MAC layer of a communicator is set; And result is set according to one, judge the existence of these media.Wherein, this communicator is compatible with a plurality of media, and wherein each media in the plurality of media meet a communication standard.
The present invention is another discloses a kind of communicator, comprising: abstract sublayer is controlled in media interviews, and is positioned at the MAC layer that abstract sublayer lower floor is controlled in media interviews; Abstract sublayer is controlled in these media interviews, and for generation of a database, wherein this database comprises at least one feature for media; At least one feature according to this for media, sends order is set to this MAC layer, and this arranges order and is used to indicate this MAC layer and arranges based on this feature; According to the result that arranges of MAC layer, judge the existence of these media;
This MAC layer, arranges order and determines whether and arrange based on this feature for receiving this.
Type is controlled in the method for above-mentioned detection media interviews control type and the media interviews that communicator can detect MAC layer.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a communicator.
The structure chart of the communicator that Fig. 2 provides for the embodiment of the present invention.
The schematic diagram of testing process is controlled in the media interviews that Fig. 3 provides for the embodiment of the present invention.
The schematic diagram of the database that Fig. 4 provides for the embodiment of the present invention.
Fig. 5 controls the schematic diagram of the automatic testing process of type according to media interviews of Fig. 4.
The schematic diagram of the automatic testing process of type is controlled in the media interviews that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Please refer to Fig. 2, the schematic diagram of the communicator 20 that Fig. 2 provides for the embodiment of the present invention.Communicator 20 can be the device in Fig. 1, but is not limited to this.Communicator 20 comprises a processing unit 200, a storage element 210 and a communications interface unit 220.Processing unit 200 can be a microprocessor or an ASIC(Application Specific Integrated Circuit) (application specific integrated circuit, ASIC).Storage element 210 can be arbitrary can processing means the data memory device of 200 access, be used for storing a program code 214, processing unit 200 can read and executive program code 214.For instance, storage element 210 can be subscriber identification module (subscriber identity module, SIM), read-only memory (read-only memory, ROM), flash memory (flash memory), random access memory (random-access memory, RAM), compact disc read-only memory (CD-ROM/DVD-ROM), tape (magnetic tape), hard disk (hard disk) and optical data storage device (optical data storage device) etc., and be not limited to this.Communications interface unit 220 can be a transceiver, and it is used for and unified communicator (unified terminal device) or a network terminal exchange signal according to the result of processing unit 200.
It should be noted that main spirits of the present invention is to provide the method for type of MAC layer of controlling the lower floor of abstract sublayer for detecting media interviews.Please refer to Fig. 3, the schematic diagram of type detection flow process 30 is controlled in the media interviews that Fig. 3 provides for the embodiment of the present invention.Media interviews are controlled type detection flow process 30 and can be controlled in abstract sublayer for the media interviews shown in Fig. 1.The program code 214 that type detection flow process 30 can be compiled as in Fig. 2 is controlled in media interviews, and comprises the following step:
Step 300: start.
Step 302: produce a database (library), wherein this database comprises at least one feature for media.
Step 304: according to this database, a MAC layer of this communicator is set.
Wherein, this step can comprise: at least one feature according to this for media, to this MAC layer, send order is set, this arranges order and is used to indicate this MAC layer and utilizes a parameter to arrange, and this parameter is the parameter producing according to this feature.Subsequent media MAC layer receives this and arranges after order and can judge whether to identify this parameter, if can identify this parameter, this MAC layer arranges according to this parameter.
Step 306: result is set according to one, judges the existence of media.
Wherein, when this MAC layer according to this parameter, carry out arrange successfully time, judge that this media exist; Concrete mode can be: when reading this parameter from this MAC layer, judge that these media exist.
Step 308: finish.
According to media interviews, control type detection flow process 30, the property data base that comprises at least one feature that is exclusively used in media (be referred to herein as media interviews and control type) can be produced and is stored in media interviews and be controlled in abstract sublayer.Abstract sublayer is controlled in media interviews can utilize the parameter producing according to a feature of a media interviews control type in property data base, and the MAC layer of lower floor is set.Then, abstract sublayer is controlled in media interviews can be according to result is set, and the existence of type is controlled in the media interviews of judgement MAC layer.For instance, if when media interviews are controlled abstract sublayer and successfully MAC layer are set by this parameter, abstract sublayer is controlled in media interviews can judge that corresponding media interviews control type and exist.
Specifically, property data base is that the unique feature that obtains each media according to communication standard (as IEEE1901 communication standard, IEEE 802.11 communication standards, IEEE802.3 communication standard and multimedia coaxial cable alliance communication standard) produces.For instance, service initialization identifier (Service Set Identifier, SSID) exists only in WiFi, so service initialization identifier can be placed in property data base.Or network cipher (network password, NPW) also exists only in power line communication, so network cipher can be placed in property data base.Furthermore, please refer to Fig. 4, the schematic diagram of the database that Fig. 4 is the embodiment of the present invention.Database shown in Fig. 4 can be controlled type (as Ethernet, WiFi, power line communication or multimedia coaxial cable alliance) from four kinds of media interviews and extend to N kind media interviews control type, and can extend to M feature by a feature (as speed/duplex (Speed/duplex), service initialization identifier, network cipher, password) for the feature of a media interviews control type.
Please refer to Fig. 5, Fig. 5 is the schematic diagram that the automatic testing process 50 of type is controlled in media interviews of setting up according to the database shown in Fig. 4.Database shown in Fig. 4 has the media interviews of N kind and controls type, and each media interviews control type has M kind feature.In Fig. 5, i is used for representing that media interviews control types index, wherein index value 1,2 ..., N represents that respectively different media interviews control type, as WiFi, Ethernet, power line communication and multimedia coaxial cable alliance etc.In addition, j is used for representing an aspect indexing, wherein index value 1,2 ..., M represents respectively the different characteristic of controlling type for media interviews, as speed/duplex, service initialization identifier, password and network cipher etc.Specifically, first abstract sublayer is controlled in media interviews (is i=1 according to one first media interviews control type, the media interviews control type that represents Ethernet) First Characteristic (being j=1, expression speed/duplexing feature) in, produces one first parameter (step 502).Then, media interviews are controlled abstract sublayer and are utilized the first parameter that the MAC layer (step 504) of lower floor is set.Next, the MAC layer that abstract sublayer Hui Zi lower floor is controlled in media interviews reads this parameter value, to check the whether success (step 506) of setting of the first parameter.If during by the arranging successfully of the first parameter, media interviews are controlled abstract sublayer and are recorded the first media interviews and control type i and have (step 508).On the other hand, if the setting by the first parameter does not have when successful, to perform step 512, abstract sublayer is controlled in media interviews, and can to control type according to the first media interviews (be i=1, the media interviews control type that represents Ethernet) a Second Characteristic (being j=2), produces one second parameter.Subsequently, media interviews are controlled abstract sublayer and are utilized the second parameter that the MAC layer (getting back to step 504) of lower floor is set.If it should be noted that when the setting of all parameters that utilization produces according to the feature (j=1～M) of the first media interviews control types (being i=1) is all failed, media interviews are controlled abstract sublayer and are judged that the first media interviews control type does not exist.In the case, it can (be i=2 according to one second media interviews control type that abstract sublayer is controlled in media interviews, the media interviews control type that represents WiFi) feature (being j=1～M) produces parameter, and utilizes one by one the parameter producing that the MAC layer of lower floor is set.After utilizing the parameter of controlling a feature of type about the second media interviews to arrange, the MAC layer that abstract sublayer Hui Zi lower floor is controlled in media interviews reads this parameter value, to check whether success of setting.If arrange successfully, abstract sublayer is controlled in media interviews can record the second media interviews control type existence.On the other hand, if not success is set, media interviews are controlled abstract sublayer and can be arranged by control the parameter of another feature of type about the second media interviews, and carry out above-mentioned step, until all features of all media interviews control types are all used in database.According to media interviews, control the concept of the automatic testing process 50 of type, the media interviews control type that lower floor can be learnt in abstract sublayer is controlled in media interviews, and then suitably controls the MAC layer of communicator 20.
Wherein, in a kind of optional execution mode, there are a plurality of MAC layer, each MAC layer that parameter that abstract sublayer can utilize the first media interviews to control a certain feature of type arranges lower floor is controlled in these media interviews, if a certain MAC layer arranges successfully, the media interviews control type of noting down this MAC layer is that type is controlled in the first media interviews; And the parameter that continues to utilize the second media interviews to control a certain feature of type arranges the MAC layer (comprise determine that media control the MAC layer of type) of lower floor, if a certain MAC layer arranges successfully, the media interviews control type of noting down this MAC layer is that type is controlled in the second media interviews; Analogize in this way, until obtain the media interviews of each MAC layer, control type, or all features that in database, types are controlled in all media interviews be all used till (step 510).
In addition according to the above description, be separately exemplified below.Please refer to Fig. 6, the schematic diagram of the automatic testing process of type is controlled in the media interviews that Fig. 6 is the embodiment of the present invention.Wherein, database includes the feature (as speed/duplex, service initialization identifier, network cipher and password) that four media interviews are controlled type (as Ethernet, WiFi, power line communication and multimedia coaxial cable alliance) and controlled type corresponding to each media interviews.First, abstract sublayer is controlled in media interviews can be according to setting (in this embodiment corresponding to the speed/duplex of Ethernet, Speed-duplex is set as 100M/Full duplex(full duplex)), produce a parameter, and utilize this parameter that the MAC layer (step 602) of lower floor is set.Subsequently, the MAC layer that abstract sublayer Hui Zi lower floor is controlled in media interviews reads this parameter value, to check whether success (step 604) of setting.If arrange successfully, media interviews are controlled abstract sublayer and are recorded Ethernet and be present in lower floor's (step 606).Yet if not success is set, media interviews are controlled abstract sublayer judgement Ethernet and are not present in lower floor.In addition, abstract sublayer is controlled in media interviews can be according to the service initialization identifier corresponding to WiFi (in this embodiment, service initialization identifier is XXXX), produce another parameter, and will utilize this parameter that the MAC layer (step 608) of lower floor is set.The MAC layer that abstract sublayer Hui Zi lower floor is controlled in media interviews reads this parameter, to judge whether success (step 610) of setting.If arrange successfully, media interviews are controlled abstract sublayer and are recorded WiFi and be present in lower floor's (step 612); Otherwise if not success is set, media interviews are controlled abstract sublayer judgement WiFi and are not present in lower floor.What is more, media interviews are controlled abstract sublayer and can, according to the network cipher (in this embodiment, network cipher is YYYY) corresponding to power line communication, be produced another parameter, and utilize this parameter that the MAC layer (step 614) of lower floor is set.The MAC layer that abstract sublayer Hui Zi lower floor is controlled in media interviews reads this parameter, to judge whether success (step 616) of setting.If arrange successfully, media interviews are controlled the record electricity line communication of abstract sublayer and are present in lower floor's (step 618).Similarly, if not success is set, media interviews are controlled abstract sublayer judgement power line communication and are not present in lower floor, and then according to the password corresponding to multimedia coaxial cable alliance (in this embodiment, password is ZZZZ), produce another parameter, and utilize this parameter that the MAC layer (step 620) of lower floor is set, by that analogy, the MAC layer that abstract sublayer Hui Zi lower floor is controlled in media interviews reads this parameter, to judge whether success (step 622) of setting.If arrange successfully, media interviews are controlled abstract sublayer recording multimedia coaxial cable alliance and are present in lower floor's (step 624).Similarly, if not success is set, media interviews are controlled abstract sublayer and are judged that multimedia coaxial cable alliance is not present in lower floor, and finish.
The embodiment of the present invention also provides a kind of communicator, comprising: abstract sublayer is controlled in media interviews, and is positioned at the MAC layer that abstract sublayer lower floor is controlled in media interviews;
Abstract sublayer is controlled in these media interviews, and for generation of a database, wherein this database comprises at least one feature for media; At least one feature according to this for media, sends order is set to this MAC layer, and this arranges order and is used to indicate this MAC layer and arranges based on this feature; According to the result that arranges of MAC layer, judge the existence of these media;
This MAC layer, arranges based on this feature for determining whether.
Wherein, this arranges order can comprise the parameter producing according to this feature, to indicate this MAC layer that this parameter is set, if this MAC layer can be identified this parameter, determines and can arrange based on this feature.
Under it should be noted that, field has and conventionally knows that the knowledgeable can understand media interviews and control that type detection flow process can pass through software, hardware or it merges execution.Concrete, above-mentioned comprise advised step in steps, can realize by modes such as hardware, a piece of wood serving as a brake to halt a carriage body (be the combination of hardware unit and computer instruction, the data in hardware unit are read-only software data) or electronic systems.Hardware can comprise simulation, numeral and hybrid circuit (being microcircuit, microchip or silicon).Electronic system can comprise system single chip (system on chip, SOC), system in package (system in package, Sip), computer module (computer on module, COM) and communicator 20.
In sum, the invention provides for media interviews and control the method that abstract sublayer is detected relevant media interviews control type automatically.By embodiment of the present invention, the media interviews control type that MAC layer can be learnt in abstract sublayer is controlled in media interviews, and then utilize correct parameter that the MAC layer of communicator is set, suitably to control the MAC layer of communicator.
Although the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention, any those skilled in the art, under the premise without departing from the spirit and scope of the present invention, can do a little change and retouching.Accordingly, some changes that those skilled in the art do are interpreted as not departing from spirit of the present invention with retouching.
Claims (11)
1. detect media interviews and control a method for type, the method includes:
Produce a database, wherein this database comprises at least one feature for media;
According to this database, a MAC layer of a communicator is set; And
Result is set according to one, judges the existence of these media.
2. the method for claim 1, wherein
According to this database, this MAC layer of this communicator is set; And
Result is set according to one, determines that the existence of these media includes:
Utilize one first parameter, this MAC layer is set; This first parameter is to produce according to the First Characteristic for one first media in this database;
When by the arranging successfully of this first parameter, judge that this first media exist.
3. method as claimed in claim 2, separately includes:
According to this database, this MAC layer of this communicator is set; And
Result is set according to one, determines that the existence of these media also includes:
When passing through the setup failed of this first parameter, utilize one second parameter, this MAC layer is set; This second parameter is to produce according to the Second Characteristic for these the first media in this database;
When by the arranging successfully of this second parameter, judge that this first media exist.
4. the method for claim 1, the step that wherein produces this database includes:
The communication standard standard meeting according to these media, obtains at least one exclusive feature for these media; And
Insert this at least one exclusive feature in this database.
5. the method for claim 1, wherein the method is compatible with this communicator of a plurality of media for a network system, and wherein each media in the plurality of media meet a communication standard.
6. method as claimed in claim 5, wherein this communication standard is IEEE 1901 communication standards, IEEE 802.11 communication standards, IEEE 802.3 communication standards or multimedia coaxial cable alliance communication standard.
7. method as claimed in claim 5, wherein a plurality of media comprise in Ethernet, radio communication, power line communication and multimedia coaxial cable alliance at least two.
8. the method for claim 1, wherein this feature includes service initialization identifier, speed/duplex, network cipher or password.
9. the method for claim 1, wherein according to this database, the MAC layer that this communicator is set comprises:
At least one feature according to this for media, sends order is set to this MAC layer, and this arranges order and is used to indicate this MAC layer and utilizes a parameter to arrange, and this parameter is to produce according to this feature.
10. method as claimed in claim 9, wherein, arranges result according to one, judges that the existence of these media includes:
When this MAC layer according to this parameter, carry out arrange successfully time, judge that this media exist; Wherein, this arranges and successfully means that this MAC layer can identify this parameter can arranging according to this parameter.
11. 1 kinds of communicators, comprising: abstract sublayer is controlled in media interviews, and are positioned at the MAC layer that abstract sublayer lower floor is controlled in media interviews;
Abstract sublayer is controlled in these media interviews, and for generation of a database, wherein this database comprises at least one feature for media; At least one feature according to this for media, sends order is set to this MAC layer, and this arranges order and is used to indicate this MAC layer and arranges based on this feature; According to the result that arranges of MAC layer, judge the existence of these media;
This MAC layer, arranges order and determines whether and arrange based on this feature for receiving this.
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| US20090322556A1 (en) * | 2003-01-31 | 2009-12-31 | Qwest Communications International Inc. | Transmission of utility data |
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|---|---|---|---|---|
| US6560234B1 (en) * | 1999-03-17 | 2003-05-06 | At&T Corp. | Universal premises distribution platform |
| US20090322556A1 (en) * | 2003-01-31 | 2009-12-31 | Qwest Communications International Inc. | Transmission of utility data |
| CN1930793A (en) * | 2004-03-04 | 2007-03-14 | 三星电子株式会社 | System and method for controlling an operational mode of a MAC layer in a broadband wireless access communication system |
| US20060083227A1 (en) * | 2004-10-18 | 2006-04-20 | Avigdor Eldar | Selecting one of a plurality of adapters to use to transmit a packet |
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