CN103326906A - Method and device for offering network access to vehicles based on G.hn standard - Google Patents
Method and device for offering network access to vehicles based on G.hn standard Download PDFInfo
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- CN103326906A CN103326906A CN2012100795989A CN201210079598A CN103326906A CN 103326906 A CN103326906 A CN 103326906A CN 2012100795989 A CN2012100795989 A CN 2012100795989A CN 201210079598 A CN201210079598 A CN 201210079598A CN 103326906 A CN103326906 A CN 103326906A
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Abstract
The invention provides a method and device for offering network access to vehicles based on a G.hn standard. The method for offering the network access to the vehicles based on the G.hn standard comprises the steps of: S1, testing whether external transmission medium which supplies external power to the vehicles has a G.hn signal, S2, confirming access indicating information in regard to the network access of the vehicles when the external transmission medium has the G.hn signal; S3, loading the G.hn signal up to internal transmission medium of the vehicles according to the access indicating information so that users can connect user equipment to the access network corresponding to the G.hn signal through an access interface of the internal transmission medium. Compared with the prior art, the network access offered by the device is stable, user experience is improved, meanwhile, the method is simple to carry out, new investment is saved, and the construction period or reconstruction period is shortened to the greatest extent. Further, expensive and rare wireless resources for the mobile communication network are saved, and the achievement of the communication network coverage of the vehicles is benefited.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of technology that network insertion is provided for the vehicles based on the G.hn standard.
Background technology
Usually, in most of existing vehicles, do not have or do not have enough Ethernet RJ45 interfaces, the vehicles include but not limited to liner, yacht, commercial vehicle, Recreational Vehicle or van etc.
And, because communication satellite can only provide low bandwidth access, when these vehicles when mobile, broadband mobile communication networks such as 3G/LTE/4G mobile communications network, WiMAX, microwave network is the method for comparatively feasible accessing mobile communication network.
Let us carefully analyzes in the city or the situation of these vehicles is used at the harbour, we can find such fact: on the one hand, in the most of the time (even possibility overwhelming majority times), these vehicles are the states that are in static or grappling, particularly at night; Secondly, the each charging of the electric automobile of popularizing also needs considerable time; Its three, all there are the vehicles such as electric car of public traffic by overhead contact line power supply in many cities; On the other hand, the Radio Resource of wide-band mobile communication network is very limited, especially at crowded city or harbour.
Like this, when these vehicles were in the state of static or grappling, the network access mode of these vehicles can automatically access to wireline communication network or switch the method that accesses to wireline communication network from mobile communications network will be very useful.Certainly, when these vehicles begin to move, also should be able to automatically access to mobile communications network from wireline communication network disconnection or switching.
For adopting a feasible method to realize above-mentioned purpose, new switching device and method between mobile communications network and wireline communication network for example, should use existing physical connection medium, such as facilities such as power line, cable tubing and interfaces, to save new input and to shorten the construction period of building or transforming as far as possible as far as possible.In fact, when the vehicles are in static or during the grappling state, major part will connect with existing power line and interface facility thereof the power network at this city or harbour, to obtain the supply of electric power support.In other words, existing power line and interface facility thereof can be considered as a ready-made connecting media and facility (such as, interface and the facility of bank electricity are provided for the boats and ships of stopping on harbour).
At present, ITU International Telecommunications Union has recommended the G.hn standard as the international standard of home network of future generation, it has defined the essential characteristic of unified high-speed home network transceivers, this transceiver can operate aforementioned circuit, comprise internal connection, coaxial cable and power line, and above-mentioned combination, the net scooter 1G bps (being 1024M bit/s) of the network of this G.hn standard.
Like this, based on G.hn standard and existing power line and the interface facility that is connected to the vehicles of static or grappling state, we can design a kind of feasible equipment and method realizes auto switching, switching or the stack of the vehicles between mobile communications network and wireline communication network.
Summary of the invention
The purpose of this invention is to provide a kind of method and apparatus that network insertion is provided for the vehicles based on the G.hn standard.
According to an aspect of the present invention, provide a kind of method for network insertion is provided for the vehicles based on the G.hn standard, wherein, the method may further comprise the steps:
A detects as the vehicles to provide in the external transmission medium of externally fed whether be loaded with the G.hn signal;
B is loaded with described G.hn signal in described external transmission medium, determine the access indication information about the network insertion of the described vehicles;
C with the internal transmission medium of described G.hn signal loading to the described vehicles, utilizes its subscriber equipment via the access interface of described internal transmission medium for the user according to described access indication information, accesses the corresponding access network of described G.hn signal.
According to a preferred embodiment of the present invention, wherein, the described vehicles comprise be used to the mobile access module that the network insertion service is provided;
Wherein, described step b comprises:
-in described external transmission medium, be loaded with described G.hn signal, determine the access indication information about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module.
According to a preferred embodiment of the present invention, wherein, the method also comprises:
-according to described the first indication message, close or the described mobile access module of dormancy.
According to a preferred embodiment of the present invention, wherein, the method also comprises:
-receive the report of the G.hn signal of losing described external transmission medium;
Wherein, described step b also comprises:
-according to described report, upgrade described access indication information, wherein, the described access indication information after the renewal comprises the second indication message that the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module from the corresponding access network of described G.hn signal;
Wherein, the method also comprises:
-according to described the second indication message, the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module.
According to a preferred embodiment of the present invention, wherein, the method also comprises:
-detect access trigger condition when whether the network insertion that provides via described mobile access module is provided;
Wherein, described step b also comprises:
-when satisfying the described trigger condition that accesses simultaneously, upgrade described access indication information, wherein, the described access indication information after the renewal is included as network access user in the described vehicles the 3rd indication message with the corresponding mobile communications network access of described mobile access module is provided;
Wherein, the method also comprises:
-according to described the 3rd indication message, provide the mobile communications network access via described mobile access module, utilize its subscriber equipment via described mobile access module for the user, access the corresponding mobile communications network of described mobile access module;
Wherein, described access simultaneously trigger condition comprise following at least each:
-residual available bandwidth is lower than predetermined available bandwidth threshold value;
-ratio of utilized bandwidth and access total bandwidth is higher than predetermined bandwidth and uses and compare threshold value.
According to a preferred embodiment of the present invention, wherein, the method also comprises:
-for the communication data that transmits via described mobile access module, realize the format conversion between G.hn agreement and the corresponding host-host protocol of described mobile access module, for subsequent transmission.
According to a preferred embodiment of the present invention, wherein, described step c also comprises:
-according to described access indication information, provide the WLAN (wireless local area network) access via wireless local area network access module, utilize its subscriber equipment via described wireless local area network access module for the user, access the corresponding access network of described G.hn signal;
Wherein, the method also comprises:
-for the communication data that transmits via described wireless local area network access module, realize the format conversion between G.hn agreement and the corresponding host-host protocol of described wireless local area network access module, for subsequent transmission.
According to a preferred embodiment of the present invention, wherein, described step c comprises:
-according to described access indication information, provide the Ethernet access via the Ethernet access module, utilize its subscriber equipment via the Ethernet interface of described Ethernet access module for the user, access the corresponding access network of described G.hn signal;
Wherein, the method also comprises:
-for the communication data that transmits via described Ethernet access module, realize the format conversion between G.hn agreement and Ethernet host-host protocol, for subsequent transmission.
According to another aspect of the present invention, also provide a kind of control appliance for network insertion is provided for the vehicles based on the G.hn standard, wherein, this equipment comprises:
The export-oriented analog front-end module of-G.hn is for detection of whether being loaded with the G.hn signal in the external transmission medium that externally fed is provided for the vehicles;
-processing unit is loaded with described G.hn signal in described external transmission medium, determine the access indication information about the network insertion of the described vehicles;
-G.hn is interior to analog front-end module, be used for according to described access indication information, with the internal transmission medium of described G.hn signal loading to the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal;
-G.hn protocol process module is used for cooperating described processing unit to process G.hn agreement associative operation;
-mobile access module is used to the described vehicles that the network insertion corresponding with described mobile access module is provided.
According to a preferred embodiment of the present invention, wherein, described processing unit is used for:
-in described external transmission medium, be loaded with described G.hn signal, determine the access indication information about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module.
According to a preferred embodiment of the present invention, wherein, described processing unit is used for:
-receive the report of the G.hn signal of losing described external transmission medium;
-according to described report, upgrade described access indication information, wherein, the described access indication information after the renewal comprises the second indication message that the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module from the corresponding access network of described G.hn signal;
-according to described the second indication message, the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module.
According to a preferred embodiment of the present invention, wherein, described processing unit is used for:
-detect access trigger condition when whether the network insertion that provides via described mobile access module is provided;
-when satisfying the described trigger condition that accesses simultaneously, upgrade described access indication information, wherein, the described access indication information after the renewal is included as network access user in the described vehicles the 3rd indication message with the corresponding mobile communications network access of described mobile access module is provided;
-according to described the 3rd indication message, provide the mobile communications network access via described mobile access module, utilize its subscriber equipment via described mobile access module for the user, access the corresponding mobile communications network of described mobile access module;
Wherein, described access simultaneously trigger condition comprise following at least each:
-residual available bandwidth is lower than predetermined available bandwidth threshold value;
-ratio of utilized bandwidth and access total bandwidth is higher than predetermined bandwidth and uses and compare threshold value.
According to a preferred embodiment of the present invention, wherein, this equipment also comprises wireless local area network access module, is used for:
-according to described access indication information, provide the WLAN (wireless local area network) access, utilize its subscriber equipment via described wireless local area network access module for the user, access the corresponding access network of described G.hn signal.
According to a preferred embodiment of the present invention, wherein, this equipment also comprises the Ethernet access module, is used for:
-according to described access indication information, provide the Ethernet access, utilize its subscriber equipment via the Ethernet interface of described Ethernet access module for the user, access the corresponding access network of described G.hn signal.
According to a further aspect of the invention, also provide a kind of system for network insertion is provided for the vehicles based on the G.hn standard, wherein, this system comprises such as each described control appliance and G.hn gateway in the claim 8 to 12.
Compared with prior art, the present invention is by detecting as the vehicles to provide in the external transmission medium of externally fed whether be loaded with the G.hn signal; In described external transmission medium, be loaded with described G.hn signal, determine the access indication information about the network insertion of the described vehicles; According to described access indication information, with the internal transmission medium of described G.hn signal loading to the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal.Further, the present invention has realized the vehicles in mobile network and the internetwork automatic switchover of G.hn, and compared with prior art, advantage is:
1) costliness of mobile communications network and rare Radio Resource have been saved.Because a plurality of users being arranged in the vehicles usually, in the big-and-middle-sized vehicles even a hundreds of user arranged, when these vehicles travel to crowded city or harbour, to bring huge traffic load and challenge to existing mobile communications network, if can be by one or more G.hn IADs (each gateway can provide the bandwidth of 1Gb/s), communication user in the vehicles is switched to wireline communication network, and traffic load that can this is huge is directly transferred to wireline communication network.
2) because the wireline communication network connection is more stable than the cordless communication network connection, network connection pattern provided by the invention will provide more stable network insertion service.As everyone knows, wireless network connects because the impact that is subject to such as SNR, disturbs, covers the dynamic factors such as decline, rain decline, direct-view connects, and stable not.
3) the present invention can utilize existing physical connection, and such as power line, the pipeline of laying power line and interface facility etc. realized.In fact, be in static or during the grappling state, major part will connect the power network at this city or harbour to obtain supply of electric power with ready-made power line and interface facility thereof when the vehicles.Therefore, the present invention who takes full advantage of existing power line and interface facility can save new input as far as possible and shorten the construction period of building or transforming as far as possible
4) in the existing vehicles of major part (such as liner, yacht, Recreational Vehicle, commercial vehicle or van etc.) do not have or do not have enough RJ45 Ethernet interfaces.Unfortunately, the words of realization WLAN (wireless local area network) overlay network need a large amount of network equipment and cable in these vehicles.The present invention can be used as network interface with existing supply socket or interface, owing in each room of the existing vehicles or the corridor ready-made power line and supply socket being arranged, realization of the present invention is comparatively easy.
5) though when these vehicles under steam, G.hn relevant device of the present invention still can assist to realize the covering of the wireless network of vehicle interior.
6) all there are electric car of public traffic or the similar vehicles by the overhead contact line power supply in many cities, it is all keeping and being connected of urban distribution network in the process of moving, can be connected with power line by the G.hn relevant device among the present invention to realize in its driving process and being connected of communication network.
Description of drawings
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates the system schematic that is used for providing for the vehicles based on the G.hn standard network insertion according to one aspect of the invention.
Fig. 2 illustrates the equipment schematic diagram that is used for providing for the vehicles based on the G.hn standard network insertion according to one aspect of the invention;
Fig. 3 illustrates the equipment schematic diagram that is used for providing for the vehicles based on the G.hn standard network insertion in accordance with a preferred embodiment of the present invention;
Fig. 4 illustrates the schematic flow sheet that is used for providing for the vehicles based on the G.hn standard network insertion according to a further aspect of the present invention.
Same or analogous Reference numeral represents same or analogous parts in the accompanying drawings.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 illustrates the system schematic that is used for providing for the vehicles based on the G.hn standard network insertion according to one aspect of the invention.This system comprises control appliance, G.hn gateway.
Usually, common carrier selects a suitable address that G.hn gateway (normally utilizing existing power line and interface facility thereof) is installed, this G.hn gateway comprises the interface of supporting the wireline communication network access, for example a PON port that is connected to PON (EPON) optical cable.This G.hn gateway is connected to external transmission and is situated between 00, this external transmission medium 00 provides and supplies power to the vehicles, by this G.hn gateway, common carrier is modulated data-signal and be carried on the electric current of this external transmission medium 00 according to the G.hn agreement, with the physical layer frame that generates G.hn lead code, G.hn, the G.hn coherent signals such as mac layer frame (being called for short the G.hn signal) of G.hn, further, this G.hn gateway by external transmission medium 01, transfers to these vehicles with this G.hn signal and supply current more together.At this, the external transmission medium includes but not limited to power line, telephone wire and cable tv coax etc.At this, wireline communication network access general reference adopts the modes such as GPON (Gigabit Passive Optical Network), EPON (Ethernet passive optical network) or DSL (digital subscriber line) to access wireline communication network, and can and then be communicated with the internet.
This control appliance is determined the network insertion of these vehicles according to the input to this external transmission medium.For example, when this control appliance in case detect the G.hn signal at this external transmission medium, then this control appliance with the network insertion of these vehicles to the corresponding network of this G.hn signal.A simple example is, in case this control appliance is connected to this G.hn gateway, directly with the network insertion of these vehicles to the corresponding network of this G.hn signal, perhaps, directly the network insertion with these vehicles switches to the corresponding network of G.hn signal from mobile communications network.On the contrary, disconnected this external transmission medium in case this control appliance is found these vehicles, as disconnected the external power line, directly the network insertion with these vehicles switches to mobile communications network from the corresponding network of this G.hn signal.The hereinafter in detail statement of the specific operation process of this control appliance.
As shown in Figure 1, take power line as example, this control appliance 1 can pass through the G.hn transceiver, and for the subscriber equipment in the vehicles provides access point, the user can pass through this G.hn transceiver, accesses the corresponding access network of described G.hn signal.At this, this G.hn transceiver can be installed in any supply socket of these vehicles, and by the existing power line of these vehicles and supply socket, each G.hn transceiver can be connected to this control appliance 1.Like this, the user can come access network with the RJ45 Ethernet interface in this G.hn transceiver, and the supply socket of adding in this G.hn transceiver also can provide supply of electric power to the user as before.Preferably, can also comprise a Wireless LAN module at this G.hn transceiver, such as the Wi-Fi module, this module can provide to the WLAN terminal (such as the Wi-Fi terminal) of these vehicles the WLAN (wireless local area network) access.At this, WLAN (wireless local area network) general reference IEEE 802.11 serial various WLAN (Wi-Fi network), blueteeth network, Wireless Personal Network, HomeRF, HIPERLAN, the cordless communication networks such as UWB, WAPI.
Fig. 2 illustrates the equipment schematic diagram that is used for providing for the vehicles based on the G.hn standard network insertion according to one aspect of the invention.This control appliance 1 comprises in the export-oriented analog front-end module 201 of G.hn, processing unit 202, the G.hn to analog front-end module 203, G.hn protocol process module 204 and mobile access module 205.
Wherein, the export-oriented analog front-end module 201 of G.hn is interfaces of the external transmission medium of the vehicles, be connected with the external transmission medium of these vehicles, as access most these vehicles the external power line of power supply is provided.This module is responsible for extracting effective G.hn data-signal from this external transmission medium, perhaps, valid data signal is modulated, is loaded on this external transmission medium according to the G.hn agreement.
Processing unit 202 is the major control device of this control appliance 1.The program operation of these processing unit 202 these control appliances 1 of control, and, control and the switching of execution between G.hn network and mobile communications network.At this, processing unit 202 for example can comprise CPU or CPU and memory, and wherein, CPU includes but not limited to single-chip microcomputer, monokaryon, double-core or multinuclear process chip etc.
G.hn is interior to be interfaces of the internal transmission medium of these vehicles to analog front-end module 203, accesses to the internal transmission medium of these vehicles.This module is responsible for extracting effective G.hn data-signal from this internal transmission medium, perhaps, this internal transmission medium is modulated, is loaded on to effective G.hn data-signal according to the G.hn agreement.
G.hn protocol process module 204 cooperates described processing unit to process G.hn agreement associative operation, for example is responsible for the transmission agreement relevant with G.hn with processing, to assist this processing unit 202 controls and the switching of execution between G.hn network and mobile communications network.
Mobile access module 205 comprises antenna or aerial array, for providing with this, these vehicles move the corresponding network insertion of access module 205, for example for these vehicles provide the wide-band mobile communication network insertion, as LTE 4G mobile communications network, WiMAX or microwave network etc.At this, the wide-band mobile communication network includes but not limited to the cordless communication networks such as various 3G/LTE/4G mobile communications networks, WiMAX, microwave network, wireless MAN, WLAN (wireless local area network), and downlink bandwidth is usually greater than 1Mbps.
Preferably, this control appliance 1 can also comprise memory, and this memory provides memory space and the spatial cache of this control appliance 1.For example, this memory stores is from the data message about current access network of processing unit 202 or other devices or module.Those skilled in the art will be understood that memory only is a kind of concrete execution mode, and in the specific implementation of control appliance, the medium that is used for storage can also be distributed in such as other devices such as processing unit.
In one embodiment, these vehicles are current without any network insertion, and the export-oriented analog front-end module 201 of G.hn detects as the vehicles to provide in the external transmission medium of externally fed whether be loaded with the G.hn signal.For example, the export-oriented analog front-end module 201 of G.hn is by such as regularly or answer the mode such as Event triggered, from the external transmission medium, extract the signal that loads, whether the signal that detects this loading satisfies the G.hn agreement, when the signal of this loading satisfies this G.hn agreement, then judge in this external transmission medium to be loaded with the G.hn signal.Preferably, the export-oriented analog front-end module 201 of G.hn is according to predetermined G.hn signal instructions, for example the signal strength signal intensity of G.hn signal and snr threshold or signal format sign detects its signal that extracts and whether satisfies predetermined G.hn signal instructions from the external transmission medium; When this signal satisfied the G.hn signal instructions, for example this signal comprised G.hn signal format sign and/or satisfies signal strength signal intensity and/or snr threshold, determines to be loaded with in the external transmission medium G.hn signal.
In described external transmission medium, be loaded with described G.hn signal, the access indication information that processing unit 202 is determined about the network insertion of the described vehicles, this access indication information comprises these vehicles is accessed to the corresponding access network of this G.hn signal, further, this processing unit 202 should access indication information and was sent in the G.hn to analog front-end module 203; In the G.hn to analog front-end module 203 according to described access indication information, described G.hn signal is modulated, is loaded on the internal transmission medium of the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal.
In a preferred embodiment, these vehicles are current by mobile access module 205, accessing mobile communication network.The export-oriented analog front-end module 201 of G.hn detects as the vehicles provide in the external transmission medium of externally fed whether be loaded with the G.hn signal, and when this module detects the G.hn signal, it sends a report signal immediately to processing unit 202.Processing unit 202 receives this report signal, knows in this external transmission medium to be loaded with the G.hn signal; This processing unit 202 is according to this report signal, determine the access indication information about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module 205.Access indication information to analog front-end module 203 according to this in the G.hn, with the internal transmission medium of described G.hn signal loading to the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal.
Preferably, this processing unit 202 cuts out or this mobile access module 205 of dormancy according to this first indication message that network insertion of the vehicles is switched to the corresponding access network of described G.hn signal from mobile access module 205.
Preferably, the access network of these vehicles switches to this G.hn network from mobile communications network after, the export-oriented analog front-end module 201 of this G.hn continues to detect the G.hn signal of the external transmission medium that is carried on these vehicles, when this module detects this external transmission medium, such as power line, when losing this G.hn signal, send a report to this processing unit 202.This processing unit 202 receives the report of the G.hn signal of losing described external transmission medium; According to described report, upgrade described access indication information, wherein, the described access indication information after the renewal comprises the second indication message that the network insertion of the described vehicles is switched to described mobile access module 205 corresponding access networks from the corresponding access network of described G.hn signal; According to described the second indication message, the network insertion of the described vehicles is switched to described mobile access module 205 corresponding access networks; Further, this processing unit 202 sends a triggering signal and moves access module 205 to this, simultaneously, stores existing link information, and from some data messages of the G.hn network storage to memory.This moves access module 205 according to this triggering signal, for providing with this, these vehicles move the corresponding network insertion of access module 205, for example for these vehicles provide wide-band mobile communication network service network insertion, such as 3G, LTE, WiMAX, microwave network or 4G network etc.
Preferably, after these vehicles access to this G.hn network, this processing unit 202 detects access trigger condition when whether the network insertion that provides via described mobile access module is provided, and residual available bandwidth is lower than predetermined available bandwidth threshold value, the ratio of utilized bandwidth and access total bandwidth is higher than predetermined bandwidth and uses than threshold value etc. as detecting.For example, suppose that the available bandwidth of this G.hn network is 1Gbps (1024M bps), owing to having a plurality of users to access this G.hn network by subscriber equipment in these vehicles, taken the 930Mbps bandwidth, in other words, the residual available bandwidth of this G.hn network only is 94Mbps, suppose that predetermined available bandwidth threshold value is 100Mbps, then this processing unit 202 judges that this residual available bandwidth is lower than the available bandwidth threshold value, that is access trigger condition when, satisfying the network insertion provide via described mobile access module.
And for example, suppose that the available bandwidth of this G.hn network is 1Gbps, owing to having a plurality of users to access this G.hn network by subscriber equipment in these vehicles, so that the current utilized bandwidth of this G.hn network reaches 930Mbps, utilized bandwidth is 91% with the ratio of access total bandwidth, suppose that it is 90% (or 0.9) that predetermined bandwidth is used than threshold value, then this processing unit 202 judges that the ratio of utilized bandwidth and access total bandwidth has been higher than predetermined bandwidth and has used and compare threshold value, that is access trigger condition when, satisfying the network insertion provide via described mobile access module.
When satisfying the described trigger condition that accesses simultaneously, this processing unit 202 upgrades described access indication information subsequently, wherein, the described access indication information after the renewal is included as network access user in the described vehicles the 3rd indication message with 205 corresponding mobile communications networks accesses of described mobile access module is provided; Further, according to described the 3rd indication message, provide the mobile communications network access via described mobile access module, as enabling this and move access module 205 by sending a triggering signal to mobile access module 205, for the described vehicles increase described mobile access module 205 corresponding access network resources, utilize its subscriber equipment via described mobile access module for the user, access the corresponding mobile communications network of described mobile access module.This moves access module 205 according to this triggering signal, moves the corresponding network insertion of access module 205 for these vehicles provide with this, for example for these vehicles provide the wide-band mobile communication network insertion, such as 3G, LTE, WiMAX or microwave network etc.This embodiment provides the corresponding network insertion of this G.hn signal and mobile communications network access for these vehicles simultaneously, satisfies user's bandwidth demand.
Fig. 3 illustrates the equipment schematic diagram that is used for providing for the vehicles based on the G.hn standard network insertion in accordance with a preferred embodiment of the present invention; This control appliance 1 also comprises wireless local area network access module 306 and Ethernet access module 307, wherein, in the export-oriented analog front-end module 301 of G.hn, processing unit 302, the G.hn to analog front-end module 303, G.hn protocol process module 304, mobile access module 305 is identical with corresponding intrument shown in Figure 2 or basic identical, so locate to repeat no more, and mode by reference is contained in this.
This control appliance 1 also comprises wireless local area network access module 306, such as WLAN (wireless local area network) Wi-Fi module.This wireless local area network access module is according to described access indication information, the WLAN (wireless local area network) access is provided, such as the wireless access based on IEEE802.11 serial protocols, HIPERLAN, HomeRF or WAPI, utilize its subscriber equipment via described wireless local area network access module 306 for the user, access the corresponding access network of described G.hn signal.At this, for the communication data that transmits via this wireless local area network access module 306, realize the format conversion between G.hn agreement and described wireless local area network access module 306 corresponding host-host protocols, for subsequent transmission.At this, WLAN includes but not limited to IEEE 802.11 serial various WLAN (Wi-Fi network), blueteeth network, Wireless Personal Network, HomeRF, HIPERLAN, the cordless communication networks such as UWB, WAPI.
For example, control appliance 1 also comprises the Wi-Fi module; The export-oriented analog front-end module 301 of G.hn externally detects the G.hn signal in the transmission medium; Processing unit 302 is according to this testing result, and the network insertion of these vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module 305; The G.hn signal that this Wi-Fi module receives this control appliance 1 is converted to the Wi-Fi signal that meets host-host protocol, when the user utilizes its user equipment access, and can be directly by the corresponding cable access network of the control appliance 1 described G.hn signal of access.
Preferably, control appliance 1 also comprises Ethernet access module 307, this Ethernet access module comprises Ethernet interface, such as the RJ45 Ethernet interface, utilize its subscriber equipment via this Ethernet access module for the user, directly by the corresponding cable access network of the control appliance 1 described G.hn signal of access.
At this, those skilled in the art will be understood that in the specific implementation of control appliance 1, and wireless local area network access module 306 and Ethernet access module 307 are optional module.For example, only need a control appliance 1 that disposes wireless local area network access module and/or Ethernet access module can finish the network coverage of this vehicle interior in little, the medium-sized vehicles such as car, need not to buy, the G.hn transceiver in the installation diagram 1.
Preferably, this control appliance 1 can also pass through the G.hn transceiver, and for subscriber equipment provides access point, the user can pass through this G.hn transceiver, accesses the corresponding access network of described G.hn signal.At this, this G.hn transceiver can be installed in any supply socket of these vehicles, and by the existing power line of these vehicles and supply socket, each G.hn transceiver can be connected to this control appliance 1.Like this, the user can come access network with the RJ45 interface in this G.hn transceiver, and the supply socket of adding in this G.hn transceiver also can provide supply of electric power to the user as before.Preferably, can also comprise a wireless local area network access module at this G.hn transceiver, such as the Wi-Fi module, this module can provide WLAN (wireless local area network) to access to the WLAN terminal of these vehicles.
Fig. 4 illustrates the schematic flow sheet that is used for providing for the vehicles based on the G.hn standard network insertion according to a further aspect of the present invention.
In step S401, control appliance 1 is by such as regularly or answer the mode such as Event triggered, detects as the vehicles to provide in the external transmission medium of externally fed whether be loaded with the G.hn signal.For example, when the vehicles switch to external power source, in step S401, control appliance 1 extracts the signal that loads from the external transmission medium, whether the signal that detects this loading satisfies the G.hn agreement, when the signal of this loading satisfies this G.hn agreement, then judge in this external transmission medium to be loaded with the G.hn signal.Preferably, control appliance 1 is according to predetermined G.hn signal instructions, and for example the signal strength signal intensity of G.hn signal and snr threshold or signal format sign detects its signal that extracts and whether satisfies predetermined G.hn signal instructions from the external transmission medium; When this signal satisfied the G.hn signal instructions, for example this signal comprised G.hn signal format sign and/or satisfies signal strength threshold, determines to be loaded with in the external transmission medium G.hn signal.Preferably, when in step S401, this control appliance 1 can't detect the G.hn signal, maybe can't detect effective G.hn signal from this external transmission medium from this external transmission medium, this control appliance 1 repeats this step S401, namely, this control appliance 1 continues this external transmission medium is detected, until therefrom detect the G.hn signal or therefrom detect effective G.hn signal.
In step S402, in described external transmission medium, be loaded with described G.hn signal, the access indication information that control appliance 1 is determined about the network insertion of the described vehicles.For example, when these vehicles current without any network insertion, then be loaded with described G.hn signal in the described external transmission medium, in step S402, control appliance 1 is determined the network insertion of these vehicles access indication information to the corresponding access network of this G.hn signal.And for example, suppose the current mobile communications network that accessed to of network of these vehicles, then in described external transmission medium, be loaded with described G.hn signal, in step S402, the access indication information that control appliance 1 is determined about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module.
In step S403, control appliance 1 is according to described access indication information, with the internal transmission medium of described G.hn signal loading to the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal.For example, in step S403, control appliance 1 is according to the access indication information of determining in step S402, with the internal transmission medium of described G.hn signal loading to these vehicles, as be loaded on the internal powerline power of these vehicles, and be distributed with a plurality of sockets on this internal powerline power, the user can pass through this socket, insert the G.hn transceiver, this G.hn transceiver comprises Ethernet access module and RJ45 interface, supply socket and optional Wireless LAN module, and the user can or pass through wlan access network by this RJ45 interface.
In a preferred embodiment, the described vehicles comprise that namely these vehicles are current by mobile access module, accessing mobile communication network be used to the mobile access module that the network insertion service is provided.In step S401, control appliance 1 detects as the vehicles to provide in the external transmission medium of externally fed whether be loaded with the G.hn signal.In step S402, in described external transmission medium, be loaded with described G.hn signal, the access indication information that control appliance 1 is determined about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module.In step S403, control appliance 1 is according to described access indication information, with the internal transmission medium of described G.hn signal loading to the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal.
Preferably, this control appliance 1 can also according to this first indication message, cut out or this mobile access module of dormancy.
Preferably, the method also comprises step S404 (not shown) and S405 (not shown).The access network of these vehicles switched to this G.hn network from mobile communications network after, in step S404, this control appliance 1 received the report of the G.hn signal of losing described external transmission medium; Perhaps, this control appliance 1 continues the G.hn signal of the external transmission medium of these vehicles of detection in step S404, when control appliance 1 detects this external transmission medium, such as power line, when losing this G.hn signal, generate a report.Subsequently, in step S402, this control appliance 1 is according to described report, upgrade described access indication information, wherein, the described access indication information after the renewal comprises the second indication message that the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module from the corresponding access network of described G.hn signal.Then, in step S405, this control appliance 1 is according to described the second indication message, and the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module.
Preferably, the method also comprises step S406 (not shown) and S407 (not shown).After these vehicles access to this G.hn network, this control appliance 1 is in step S406, detect access trigger condition when whether the network insertion that provides via described mobile access module is provided, residual available bandwidth is lower than predetermined available bandwidth threshold value, the ratio of utilized bandwidth and access total bandwidth is higher than predetermined bandwidth and uses than threshold value etc. as detecting.For example, suppose that the available bandwidth of this G.hn network is 1Gbps (1024Mbps), owing to having a plurality of users to access this G.hn network by subscriber equipment in these vehicles, taken the 930Mbps bandwidth, in other words, the residual available bandwidth of this G.hn network only is 94Mbps, suppose that predetermined available bandwidth threshold value is 100Mbps, then in step S406, control appliance 1 judges that this residual available bandwidth is lower than the available bandwidth threshold value, that is access trigger condition when, satisfying the network insertion provide via described mobile access module.
And for example, suppose that the available bandwidth of this G.hn network is 1Gbps, owing to having a plurality of users to access this G.hn network by subscriber equipment in these vehicles, so that the current utilized bandwidth of this G.hn network reaches 930Mbps, utilized bandwidth is 91% with the ratio of access total bandwidth, suppose that it is 90% (or 0.9) that predetermined bandwidth is used than threshold value, then in step S406, control appliance 1 judges that the ratio of utilized bandwidth and access total bandwidth has been higher than predetermined bandwidth and has used and compare threshold value, that is access trigger condition when, satisfying the network insertion provide via described mobile access module.
When satisfying the described trigger condition that accesses simultaneously, subsequently, in step S407, control appliance 1 upgrades described access indication information, wherein, the described access indication information after the renewal be included as network access user in the described vehicles provide with described mobile access module the 3rd indication message of corresponding mobile communications network access; Further, according to described the 3rd indication message, provide the mobile communications network access via described mobile access module, as enabling this and move access module by sending a triggering signal to mobile access module, for the described vehicles increase the corresponding access network resource of described mobile access module, utilize its subscriber equipment via described mobile access module for the user, access the corresponding mobile communications network of described mobile access module.This moves access module according to this triggering signal, moves the corresponding network insertion of access module for these vehicles provide with this, for example for these vehicles provide the wide-band mobile communication network insertion, such as 3G, LTE, WiMAX or microwave network etc.This embodiment provides the corresponding network insertion of this G.hn signal and mobile communications network access for these vehicles simultaneously, satisfies user's bandwidth demand.
Preferably, the method also comprises step S408 (not shown).In step S408, this control appliance 1 is realized the format conversion between G.hn agreement and the corresponding host-host protocol of described mobile access module, for subsequent transmission for the communication data that transmits via described mobile access module.For example, the network insertion of supposing the vehicles is moved access module by this and is accessed to mobile communications network, as accesses to the LTE network, and control appliance 1 obtains the downlink communication data from the LTE network; In step S408,1 pair of these downlink communication data of control appliance are carried out format conversion, this downlink communication data transaction are become to meet the downlink communication data of G.hn agreement; Subsequently, in step S403, control appliance 1 is loaded on these downlink communication data that meet the G.hn agreement in the internal transmission medium of these vehicles, utilizes its user equipment access for the user.Similar ground, when the internal transmission medium of subscriber equipment by these vehicles, when transmission meets the uplink communication data of G.hn agreement, in step S408,1 pair of these uplink communication data of this control appliance are carried out format conversion, converting the uplink communication data that meet this LTE host-host protocol to, and move access module via this and send.
Preferably, the method also comprises step S409 (not shown).In step S403, control appliance 1 is according to described access indication information, provide the WLAN (wireless local area network) access via wireless local area network access module, such as the consensus standard based on WLAN (wireless local area network) such as IEEE802.11, IEEE802.11b, IEEE802.11a, IEEE802.11g, IEEE802.11i, IEEE802.11e/f/h, HIPERLAN, HomeRF, WAPI, the WLAN (wireless local area network) access is provided, utilize its subscriber equipment via described wireless local area network access module for the user, access the corresponding access network of described G.hn signal.In step S409, control appliance 1 is realized the format conversion between G.hn agreement and the corresponding host-host protocol of described wireless local area network access module, for subsequent transmission for the communication data that transmits via described wireless local area network access module.
For example, control appliance 1 also comprises the Wi-Fi module; In step S401, control appliance 1 externally detects the G.hn signal in the transmission medium; In step S402, in described external transmission medium, be loaded with described G.hn signal, the access indication information that control appliance 1 is determined about the network insertion of the described vehicles; In step S403, control appliance 1 provides the Wi-Fi access according to described access indication information via this Wi-Fi module, utilizes its subscriber equipment via this Wi-Fi module for the user, accesses the corresponding access network of described G.hn signal; In step S409, control appliance 1 is realized the format conversion between G.hn agreement and Wi-Fi host-host protocol for the communication data that transmits via described this Wi-Fi module, when the user utilizes its user equipment access, provides the Wi-Fi access to this subscriber equipment.
Preferably, the method also comprises step S409 (not shown).In step S409, this control appliance 1 is realized the format conversion between G.hn agreement and Ethernet host-host protocol, for subsequent transmission for the communication data that transmits via described Ethernet access module.Particularly, in step S401, control appliance 1 externally detects the G.hn signal in the transmission medium; In step S402, in described external transmission medium, be loaded with described G.hn signal, control appliance 1 is determined the access indication information about the communication network access of the described vehicles; In step S403, control appliance 1 is according to the access indication information, provide the Ethernet access via the Ethernet access module, utilize its subscriber equipment via the Ethernet interface of described Ethernet access module for the user, such as the RJ45 Ethernet interface, access the corresponding access network of described G.hn signal; In step S409, control appliance 1 is for the communication data that transmits via described this ethernet module, realize the format conversion between G.hn agreement and Ethernet host-host protocol, when the user utilizes its user equipment access, the wired ethernet signal is offered this subscriber equipment.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that do not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to be included in the present invention dropping on the implication that is equal to important document of claim and all changes in the scope.Any Reference numeral in the claim should be considered as limit related claim.In addition, obviously other unit or step do not got rid of in " comprising " word, and odd number is not got rid of plural number.A plurality of unit of stating in the device claim or device also can be realized by software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (15)
1. method that is used for providing for the vehicles based on the G.hn standard network insertion, wherein, the method may further comprise the steps:
A detects as the vehicles to provide in the external transmission medium of externally fed whether be loaded with the G.hn signal;
B is loaded with described G.hn signal in described external transmission medium, determine the access indication information about the network insertion of the described vehicles;
C with the internal transmission medium of described G.hn signal loading to the described vehicles, utilizes its subscriber equipment via the access interface of described internal transmission medium for the user according to described access indication information, accesses the corresponding access network of described G.hn signal.
2. method according to claim 1, wherein, the described vehicles comprise be used to the mobile access module that the network insertion service is provided;
Wherein, described step b comprises:
-in described external transmission medium, be loaded with described G.hn signal, determine the access indication information about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module.
3. method according to claim 2, wherein, the method also comprises:
-according to described the first indication message, close or the described mobile access module of dormancy.
4. method according to claim 2, wherein, the method also comprises:
-receive the report of the G.hn signal of losing described external transmission medium;
Wherein, described step b also comprises:
-according to described report, upgrade described access indication information, wherein, the described access indication information after the renewal comprises the second indication message that the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module from the corresponding access network of described G.hn signal;
Wherein, the method also comprises:
-according to described the second indication message, the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module.
5. method according to claim 2, wherein, the method also comprises:
-detect access trigger condition when whether the network insertion that provides via described mobile access module is provided;
Wherein, described step b also comprises:
-when satisfying the described trigger condition that accesses simultaneously, upgrade described access indication information, wherein, the described access indication information after the renewal is included as network access user in the described vehicles the 3rd indication message with the corresponding mobile communications network access of described mobile access module is provided;
Wherein, the method also comprises:
-according to described the 3rd indication message, provide the mobile communications network access via described mobile access module, utilize its subscriber equipment via described mobile access module for the user, access the corresponding mobile communications network of described mobile access module;
Wherein, described access simultaneously trigger condition comprise following at least each:
-residual available bandwidth is lower than predetermined available bandwidth threshold value;
-ratio of utilized bandwidth and access total bandwidth is higher than predetermined bandwidth and uses and compare threshold value.
6. according to claim 4 or 5 described methods, wherein, the method also comprises:
-for the communication data that transmits via described mobile access module, realize the format conversion between G.hn agreement and the corresponding host-host protocol of described mobile access module, for subsequent transmission.
7. method according to claim 1, wherein, described step c also comprises:
-according to described access indication information, provide the WLAN (wireless local area network) access via wireless local area network access module, utilize its subscriber equipment via described wireless local area network access module for the user, access the corresponding access network of described G.hn signal;
Wherein, the method also comprises:
-for the communication data that transmits via described wireless local area network access module, realize the format conversion between G.hn agreement and the corresponding host-host protocol of described wireless local area network access module, for subsequent transmission.
8. method according to claim 1, wherein, described step c also comprises:
-according to described access indication information, provide the Ethernet access via the Ethernet access module, utilize its subscriber equipment via the Ethernet interface of described Ethernet access module for the user, access the corresponding access network of described G.hn signal;
Wherein, the method also comprises:
-for the communication data that transmits via described Ethernet access module, realize the format conversion between G.hn agreement and Ethernet host-host protocol, for subsequent transmission.
9. control appliance that is used for providing for the vehicles based on the G.hn standard network insertion, wherein, this equipment comprises:
The export-oriented analog front-end module of-G.hn is for detection of whether being loaded with the G.hn signal in the external transmission medium that externally fed is provided for the vehicles;
-processing unit is loaded with described G.hn signal in described external transmission medium, determine the access indication information about the network insertion of the described vehicles;
-G.hn is interior to analog front-end module, be used for according to described access indication information, with the internal transmission medium of described G.hn signal loading to the described vehicles, utilize its subscriber equipment via the access interface of described internal transmission medium for the user, access the corresponding access network of described G.hn signal;
-G.hn protocol process module is used for cooperating described processing unit to process G.hn agreement associative operation;
-mobile access module is used to the described vehicles that the mobile communications network access corresponding with described mobile access module is provided.
10. control appliance according to claim 9, wherein, described processing unit is used for:
-in described external transmission medium, be loaded with described G.hn signal, determine the access indication information about the network insertion of the described vehicles, wherein, described access indication information comprises the first indication message that the network insertion of the described vehicles is switched to the corresponding access network of described G.hn signal from described mobile access module.
11. control appliance according to claim 10, wherein, described processing unit is used for:
-receive the report of the G.hn signal of losing described external transmission medium;
-according to described report, upgrade described access indication information, wherein, the described access indication information after the renewal comprises the second indication message that the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module from the corresponding access network of described G.hn signal;
-according to described the second indication message, the network insertion of the described vehicles is switched to the corresponding access network of described mobile access module.
12. control appliance according to claim 10, wherein, described processing unit is used for:
-detect access trigger condition when whether the network insertion that provides via described mobile access module is provided;
-when satisfying the described trigger condition that accesses simultaneously, upgrade described access indication information, wherein, the described access indication information after the renewal is included as network access user in the described vehicles the 3rd indication message with the corresponding mobile communications network access of described mobile access module is provided;
-according to described the 3rd indication message, provide the mobile communications network access via described mobile access module, utilize its subscriber equipment via described mobile access module for the user, access the corresponding mobile communications network of described mobile access module;
Wherein, described access simultaneously trigger condition comprise following at least each:
-residual available bandwidth is lower than predetermined available bandwidth threshold value;
-ratio of utilized bandwidth and access total bandwidth is higher than predetermined bandwidth and uses and compare threshold value.
13. control appliance according to claim 9, wherein, this equipment also comprises wireless local area network access module, is used for:
-according to described access indication information, provide the WLAN (wireless local area network) access, utilize its subscriber equipment via described wireless local area network access module for the user, access the corresponding access network of described G.hn signal.
14. control appliance according to claim 9, wherein, this equipment also comprises the Ethernet access module, is used for:
-according to described access indication information, provide the Ethernet access, utilize its subscriber equipment via the Ethernet interface of described Ethernet access module for the user, access the corresponding access network of described G.hn signal.
15. a system that is used for providing for the vehicles based on the G.hn standard network insertion, wherein, this system comprises such as each described control appliance and G.hn gateway in the claim 9 to 14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210079598.9A CN103326906B (en) | 2012-03-22 | 2012-03-22 | A kind of method and apparatus that network insertion is provided for the vehicles based on G.hn standard |
| PCT/IB2013/000713 WO2013140249A2 (en) | 2012-03-22 | 2013-03-20 | Method and apparatus for providing network access to transport tools based on the g.hn standard |
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| CN201210079598.9A CN103326906B (en) | 2012-03-22 | 2012-03-22 | A kind of method and apparatus that network insertion is provided for the vehicles based on G.hn standard |
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Also Published As
| Publication number | Publication date |
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| CN103326906B (en) | 2016-09-07 |
| WO2013140249A3 (en) | 2014-01-23 |
| WO2013140249A2 (en) | 2013-09-26 |
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