CN103973521A - System and method for supporting multi-medium networking - Google Patents
System and method for supporting multi-medium networking Download PDFInfo
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- CN103973521A CN103973521A CN201310028768.5A CN201310028768A CN103973521A CN 103973521 A CN103973521 A CN 103973521A CN 201310028768 A CN201310028768 A CN 201310028768A CN 103973521 A CN103973521 A CN 103973521A
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Abstract
The invention discloses a system and method for supporting multi-medium networking, and relates to the technical field of broadband communication. The system comprises a home gateway and a networking terminal; the home gateway and the networking terminal are connected through an adaptive interface, and synchronizing signals are transmitted through the adaptive interface; the home gateway conducts logical link control and medium access control over service data based on control over the synchronizing signals and transmits the service data to the networking terminal through the adaptive interface; the networking terminal receives the service data through the adaptive interface based on control over the synchronizing signals, conducts physical frame processing, modulation, demodulation, and medium coupling on the service data, and transmits the service data to transmitting media. By means of the system and method, on the premise that the home gateway size is not increased, and an internet port is not occupied, the home gateway has the capacity of completing home networking through the multiple transmitting media; meanwhile, Ethernet ports are not required to be occupied to adapt to the various media, conversion between the Ethernet protocol and the networking protocol is not needed, and the system performance and the service quality are improved.
Description
Technical field
The present invention relates to broadband connections technical field, particularly a kind of system and method for supporting multimedium networking.
Background technology
Along with the development of information technology, the networking products of various personalizations emerge in an endless stream, and the colourful network terminal requires more and more higher to the access capability of home network.
Ethernet line can provide stable high bandwidth network to connect, it is the preferred medium that realizes home networking, but be limited to existing house decoration condition, the network that does not often have Ethernet interface to realize expectation in specific position connects, and the cloth netting twine again that burrows through walls can destroy finishing.
By WLAN (wireless local area network) (Wireless Local Area Networks, be called for short WLAN) can realize wireless network access, but the mutual spectral interference of wireless user highlights day by day, and wireless signal is intercepted by the barriers such as indoor wall also usually, indoor some place cannot be realized at a high speed and connect, even have signal blind zone.
At wireless signal, cannot touch and through walls burrow that cloth netting twine can destroy finishing again in the situation that, based on transmission mediums such as coaxial line, power lines, realizing home intranet becomes effective solution.Home gateway is the communication equipment of core in family, in the inadequate situation of wiring, is necessary to use other transmission medium communication technology to realize home intranet.
In existing home intranet framework, the connection of networking terminal takies a plurality of network interfaces, when arrangement a plurality of rooms online, multichannel IPTV, can run into the not enough problem of network interface; Meanwhile, based on the adaptive various media of Ethernet protocol, need to carry out the data transaction between Ethernet protocol and networking agreement, for example, modulation encapsulation format, message size etc., cause systematic function to decline and quality of service problem.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: a kind of system and method for supporting multimedium networking is provided, do not increasing under the prerequisite that gateway outside dimension and network interface take on the one hand, make home gateway possess the ability that completes home intranet by multiple transmission medium, on the other hand, the home intranet mode that solves the adaptive various media of traditional Ethernet protocol causes systematic function to decline and quality of service problem.
An aspect of the embodiment of the present invention provides a kind of system of supporting multimedium networking, comprising: home gateway and networking terminal; Home gateway is connected by adaptable interface with networking terminal, and by adaptable interface synchronous signal transmission; The control of home gateway based on synchronizing signal, carries out logic link control and medium access control to business datum, and business datum is transferred to networking terminal through adaptable interface; The control of networking terminal based on synchronizing signal, receives business datum by adaptable interface, and business datum is carried out to physical frame processing, modulation /demodulation and medium coupling, and business datum is sent on transmission medium.
Described adaptable interface comprises: high-frequency data coffret and synchronizing signal interface; High-frequency data coffret is for transmitted in both directions differentiated services data-signal; Synchronizing signal interface is used for transmitting zero passage detection signal, to extract synchronizing signal.
Described networking terminal comprises: the first adaptable interface, medium access administration module, the first synchronization control module; Medium access administration module is used for extracting the synchronizing information from transmission medium, and produces according to synchronizing information the synchronizing signal of controlling benchmark as system, and synchronizing signal is sent to the first synchronization control module; The first synchronization control module is used for synchronizing signal to send to home gateway by the first adaptable interface, and sends business datum or receive business datum in the corresponding medium access cycle according to synchronizing signal control group network termination.
Described networking terminal also comprises: physical frame processing module, modulation /demodulation module, coupling module and Media Interface Connector module; Physical frame processing module is for processing physical frame; Modulation /demodulation module is for modulating or demodulation business datum; Coupling module is for carrying out medium coupling to business datum; Media Interface Connector module is for arriving transmission medium by business data transmission.
Described home gateway comprises: the second adaptable interface, logic link control module, medium access control module and the second synchronization control module; The synchronizing signal of the second synchronization control module for sending by the second adaptable interface reception networking terminal, and in the corresponding medium access cycle, send business datum or reception business datum according to synchronizing signal control home gateway; Logic link control module is for being responsible for establishment of connection, management, replacement, termination and quality services between home gateway and networking terminal; Medium access control module is for carrying out control group network termination access medium by multiple medium access agreement.
Described networking terminal comprises WAP (wireless access point), wireless client, power line transmission terminal, coaxial transmission terminal, telephone line transmission terminal.
Another aspect of the embodiment of the present invention provides a kind of method of supporting multimedium networking, comprising: home gateway is connected by adaptable interface with networking terminal, and by adaptable interface synchronous signal transmission; The control of home gateway based on synchronizing signal, carries out logic link control and medium access control to business datum, and business datum is transferred to networking terminal through adaptable interface; The control of networking terminal based on synchronizing signal, receives business datum by adaptable interface, and business datum is carried out to physical frame processing, modulation /demodulation and medium coupling, and business datum is sent on transmission medium.
Described adaptable interface comprises high-frequency data coffret and synchronizing signal interface, and high-frequency data coffret is for transmitted in both directions differentiated services data-signal, and synchronizing signal interface is used for transmitting zero passage detection signal, to extract synchronizing signal.
Described networking terminal is also for extracting the synchronizing information from transmission medium, and produces according to synchronizing information the synchronizing signal of controlling benchmark as system, and synchronizing signal is sent to home gateway by adaptable interface.
The control of described home gateway based on synchronizing signal, business datum is carried out to logic link control and medium access control specifically comprises: the control of described home gateway based on synchronizing signal, be responsible for establishment of connection, management, replacement, termination and quality services between home gateway and networking terminal, by multiple medium access agreement, carry out control group network termination access medium.
The present invention is by arranging adaptable interface, between home gateway and networking terminal, pass through adaptable interface synchronous signal transmission and business datum, on the basis of Synchronization Control, the logic link control of home gateway finishing service data, medium access control is processed, networking terminal completes medium coupling, do not increasing under the prerequisite that home gateway outside dimension and network interface take, make home gateway possess the ability that completes home intranet by multiple transmission medium, simultaneously, do not need to take the adaptive various media of Ethernet interface, do not need the conversion between Ethernet protocol and networking agreement, thereby systematic function and quality of service have been improved.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that the present invention supports an embodiment of system of multimedium networking.
Fig. 2 is the structural representation that the present invention supports another embodiment of system of multimedium networking.
Fig. 3 is the structural representation of an embodiment of adaptable interface of the present invention.
Fig. 4 is the schematic flow sheet that the present invention supports an embodiment of method of multimedium networking.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.To the description only actually of at least one exemplary embodiment, be illustrative below, never as any restriction to the present invention and application or use.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Unless illustrate in addition, otherwise the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step not limited the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
For the known technology of person of ordinary skill in the relevant, method and apparatus, may not discuss in detail, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, rather than as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
Fig. 1 is the structural representation that the present invention supports an embodiment of system of multimedium networking.
As shown in Figure 1, the system of this embodiment comprises home gateway 10 and networking terminal 20; Home gateway 10 is connected by adaptable interface with networking terminal 20, and by adaptable interface synchronous signal transmission; The control of home gateway 10 based on synchronizing signal, carries out logic link control and medium access control to business datum, and business datum is transferred to networking terminal 20 through adaptable interface; The control of networking terminal 20 based on synchronizing signal, receives business datum by adaptable interface, and business datum is carried out to physical frame processing, modulation /demodulation and medium coupling, and business datum is sent on transmission medium.
Wherein, networking terminal 20 for example can comprise: WAP (wireless access point) (or claiming wireless aps), wireless client (IEEE802.11); Power line transmission terminal (HomePlug, G.hn etc.); Coaxial transmission terminal (Docsis, G.hn, Moca); Telephone line transmission terminal (HomePNA, G.hn), but be not limited to this.Accordingly, transmission medium is such as being power line, coaxial line, telephone wire etc.
Fig. 2 is the structural representation that the present invention supports another embodiment of system of multimedium networking.
As shown in Figure 2, home gateway 10 comprises: the second adaptable interface 101, logic link control module 102, medium access control module 103 and the second synchronization control module 104.
The synchronizing signal of the second synchronization control module 104 for sending by the second adaptable interface 101 reception networking terminals 20, and in the corresponding medium access cycle, send business datum or reception business datum according to synchronizing signal control home gateway 10.
Logic link control module 102 is for being responsible for establishment of connection, management, replacement, termination and quality services between home gateway 10 and networking terminal 20.
Medium access control module 103 is for carrying out control group network termination 20 access mediums by multiple medium access agreement.Particularly, each medium access cycle is divided into two or more time intervals; These time intervals are further distinguished for the time interval of management information transmission and the time interval of networking terminal traffic information transmission.By medium access control module controls networking terminal, in specific time interval, transmitted and receive data, for example, the time interval that control group network termination sends in business information sends data.
As shown in Figure 2, networking terminal 20 comprises: the first adaptable interface 201, medium access administration module 202, the first synchronization control module 203; Can also comprise: physical frame processing module 204, modulation /demodulation module 205, coupling module 206 and Media Interface Connector module 207.
Medium access administration module 202 is for extracting the synchronizing information from transmission medium, and produces according to synchronizing information the synchronizing signal of controlling benchmark as system, and synchronizing signal is sent to the first synchronization control module 203.
The first synchronization control module 203 is for synchronizing signal is sent to home gateway 10 by the first adaptable interface 201, and sends business datum or receive business datum in the corresponding medium access cycle according to synchronizing signal control group network termination 20.
Physical frame processing module 204, under the Synchronization Control in the first synchronization control module 203, is processed physical frame.Specifically, can comprise encapsulation and decapsulation, the scrambling of data transmission frames and go to disturb, increase error correcting code and receive that mistake is delivered for a check, the step such as physical frame sign map and reflection are penetrated.
Modulation /demodulation module 205, under the Synchronization Control in the first synchronization control module 203, is modulated or demodulation business datum.The present invention does not limit for the concrete grammar of modulation or demodulation.
Coupling module 206 for modulation /demodulation module 205, modulate or demodulation after, business datum is carried out to medium coupling.Specifically, by High-Frenquency Electronic Circuit, the signal transmission after modulation is coupled on transmission mediums such as comprising power line, telephone wire, coaxial line; And upper in the other direction, by High-Frenquency Electronic Circuit, extract from comprising high-frequency transmission signal on the transmission mediums such as power line, telephone wire, coaxial line.
After Media Interface Connector module 207 is coupled for coupling module 206, business data transmission is arrived to transmission medium.
In above-described embodiment, the first adaptable interface in networking terminal 20, and the second adaptable interface in home gateway 10 is adaptable interface, has identical structure.On adaptable interface physical appearance, be presented as connector interface, high-frequency signal (that is, business datum) and synchronous transmission of signal are provided, the networking protocol massages needing when its protocol data is coaxial line, power line, telephone line transmission.Adaptable interface comprises high-frequency data coffret and synchronizing signal interface; High-frequency data coffret is for transmitted in both directions differentiated services data-signal; Synchronizing signal interface is used for transmitting zero passage detection signal, to extract synchronizing signal.
Fig. 3 is the structural representation of an embodiment of adaptable interface of the present invention.As shown in Figure 3, adaptable interface is multicore cable interface, and the size wherein indicating is only a kind of signal, is not intended to limit the present invention.Table 1 has provided a kind of exemplary pin service condition of adaptable interface, and art technology people can change pin and function as required.
Table 1 adaptable interface
| Pin | Definition |
| 1 | High-frequency data 1 |
| 2 | High-frequency data 2 |
| 3 | Standby |
| 4 | Standby |
| 5 | Standby |
| 6 | Standby |
| 7 | Zero passage detection |
| 8 | Ground wire |
| 9 | + 12V direct current |
In table 1, pin one and pin two are high-frequency data coffret, for transmitted in both directions differentiated services data-signal, i.e. and high-frequency data 1 and high-frequency data 2.Pin 7 is synchronizing signal interface, from the zero passage detection signal of its transmission, can extract synchronizing signal.
Above-described embodiment, by adaptable interface is set, between home gateway and networking terminal, pass through adaptable interface synchronous signal transmission and business datum, on the basis of Synchronization Control, the logic link control of home gateway finishing service data, medium access control is processed, networking terminal completes medium coupling, do not increasing under the prerequisite that home gateway outside dimension and network interface take, make home gateway possess the ability that completes home intranet by multiple transmission medium, simultaneously, do not need to take the adaptive various media of Ethernet interface, do not need the conversion between Ethernet protocol and networking agreement, thereby systematic function and quality of service have been improved.
Fig. 4 is the schematic flow sheet that the present invention supports an embodiment of method of multimedium networking.As shown in Figure 4, the method for this embodiment comprises the following steps:
Step 401, home gateway is connected by adaptable interface with networking terminal, and by adaptable interface synchronous signal transmission;
Step 402, the control of home gateway based on synchronizing signal, carries out logic link control and medium access control to business datum, and business datum is transferred to networking terminal through adaptable interface;
Step 403, the control of networking terminal based on synchronizing signal, receives business datum by adaptable interface, and business datum is carried out to physical frame processing, modulation /demodulation and medium coupling, and business datum is sent on transmission medium.
Home gateway carries out logic link control to business datum and specifically comprises: the control of home gateway based on synchronizing signal, be responsible for establishment of connection, management, replacement, termination and quality services between home gateway and networking terminal.
Home gateway carries out medium access control to business datum and specifically comprises: the control of home gateway based on synchronizing signal, carrys out control group network termination access medium by multiple medium access agreement.Particularly, each medium access cycle is divided into two or more time intervals; These time intervals are further distinguished for the time interval of management information transmission and the time interval of networking terminal traffic information transmission.By medium access control module controls networking terminal, in specific time interval, transmitted and receive data, for example, the time interval that control group network termination sends in business information sends data.
Wherein, medium is coupled specifically, by High-Frenquency Electronic Circuit, the signal transmission after modulation is coupled on transmission mediums such as comprising power line, telephone wire, coaxial line; And upper in the other direction, by High-Frenquency Electronic Circuit, extract from comprising high-frequency transmission signal on the transmission mediums such as power line, telephone wire, coaxial line.
Wherein, adaptable interface comprises high-frequency data coffret and synchronizing signal interface, and high-frequency data coffret is for transmitted in both directions differentiated services data-signal, and synchronizing signal interface is used for transmitting zero passage detection signal, to extract synchronizing signal.
Wherein, networking terminal is also for extracting the synchronizing information from transmission medium, and produces according to synchronizing information the synchronizing signal of controlling benchmark as system, and synchronizing signal is sent to home gateway by adaptable interface.
Above-described embodiment, by adaptable interface is set, between home gateway and networking terminal, pass through adaptable interface synchronous signal transmission and business datum, on the basis of Synchronization Control, the logic link control of home gateway finishing service data, medium access control is processed, networking terminal completes medium coupling, do not increasing under the prerequisite that home gateway outside dimension and network interface take, make home gateway possess the ability that completes home intranet by multiple transmission medium, simultaneously, do not need to take the adaptive various media of Ethernet interface, do not need the conversion between Ethernet protocol and networking agreement, thereby systematic function and quality of service have been improved.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a system of supporting multimedium networking, comprising: home gateway and networking terminal;
Home gateway is connected by adaptable interface with networking terminal, and by adaptable interface synchronous signal transmission;
The control of home gateway based on synchronizing signal, carries out logic link control and medium access control to business datum, and business datum is transferred to networking terminal through adaptable interface;
The control of networking terminal based on synchronizing signal, receives business datum by adaptable interface, and business datum is carried out to physical frame processing, modulation /demodulation and medium coupling, and business datum is sent on transmission medium.
2. system according to claim 1, is characterized in that, described adaptable interface comprises: high-frequency data coffret and synchronizing signal interface;
High-frequency data coffret is for transmitted in both directions differentiated services data-signal;
Synchronizing signal interface is used for transmitting zero passage detection signal, to extract synchronizing signal.
3. system according to claim 1, is characterized in that, described networking terminal comprises: the first adaptable interface, medium access administration module, the first synchronization control module;
Medium access administration module is used for extracting the synchronizing information from transmission medium, and produces according to synchronizing information the synchronizing signal of controlling benchmark as system, and synchronizing signal is sent to the first synchronization control module;
The first synchronization control module is used for synchronizing signal to send to home gateway by the first adaptable interface, and sends business datum or receive business datum in the corresponding medium access cycle according to synchronizing signal control group network termination.
4. system according to claim 3, is characterized in that, described networking terminal also comprises: physical frame processing module, modulation /demodulation module, coupling module and Media Interface Connector module;
Physical frame processing module is for processing physical frame;
Modulation /demodulation module is for modulating or demodulation business datum;
Coupling module is for carrying out medium coupling to business datum;
Media Interface Connector module is for arriving transmission medium by business data transmission.
5. system according to claim 1, is characterized in that, described home gateway comprises: the second adaptable interface, logic link control module, medium access control module and the second synchronization control module;
The synchronizing signal of the second synchronization control module for sending by the second adaptable interface reception networking terminal, and in the corresponding medium access cycle, send business datum or reception business datum according to synchronizing signal control home gateway;
Logic link control module is for being responsible for establishment of connection, management, replacement, termination and quality services between home gateway and networking terminal;
Medium access control module is for carrying out control group network termination access medium by multiple medium access agreement.
6. system according to claim 1, is characterized in that, described networking terminal comprises WAP (wireless access point), wireless client, power line transmission terminal, coaxial transmission terminal, telephone line transmission terminal.
7. a method of supporting multimedium networking, comprising:
Home gateway is connected by adaptable interface with networking terminal, and by adaptable interface synchronous signal transmission;
The control of home gateway based on synchronizing signal, carries out logic link control and medium access control to business datum, and business datum is transferred to networking terminal through adaptable interface;
The control of networking terminal based on synchronizing signal, receives business datum by adaptable interface, and business datum is carried out to physical frame processing, modulation /demodulation and medium coupling, and business datum is sent on transmission medium.
8. method according to claim 7, it is characterized in that, described adaptable interface comprises high-frequency data coffret and synchronizing signal interface, high-frequency data coffret is for transmitted in both directions differentiated services data-signal, synchronizing signal interface is used for transmitting zero passage detection signal, to extract synchronizing signal.
9. method according to claim 7, it is characterized in that, described networking terminal is also for extracting the synchronizing information from transmission medium, and produces according to synchronizing information the synchronizing signal of controlling benchmark as system, and synchronizing signal is sent to home gateway by adaptable interface.
10. method according to claim 7, is characterized in that, the control of described home gateway based on synchronizing signal is carried out logic link control and medium access control specifically comprises to business datum:
The control of described home gateway based on synchronizing signal, is responsible for establishment of connection, management, replacement, termination and quality services between home gateway and networking terminal, by multiple medium access agreement, carrys out control group network termination access medium.
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