CN103731371B - A kind of network data for dual-mode set-top box receives channel management method - Google Patents
A kind of network data for dual-mode set-top box receives channel management method Download PDFInfo
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- CN103731371B CN103731371B CN201210392828.7A CN201210392828A CN103731371B CN 103731371 B CN103731371 B CN 103731371B CN 201210392828 A CN201210392828 A CN 201210392828A CN 103731371 B CN103731371 B CN 103731371B
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Abstract
The present invention relates to a kind of network data for dual-mode set-top box and receive channel management method, the method, needing all business of receiving network data on Set Top Box, is classified according to the occupation mode of data receiving channel；When new business arrives, Set Top Box is according to current data receiving channel behaviour in service and the classification of new business, on the premise of taking into account the passage demand of all business as far as possible, specifies suitable data receiving channel for new business.The method of the present invention meets different business as much as possible and network data receives the demand of passage, improves the efficiency of data transmission.
Description
Technical field
The present invention relates to network communication field, receive channel particularly to a kind of network data for dual-mode set-top box
Reason method.
Background technology
Dual-mode set-top box refers on the basis of the hardware configuration of existing DTV STB, loads based on IP agreement
Application layer software, by the way of at the integrated relevant Ethernet interface of same Set Top Box, uses same process chip to complete right
Digital television signal and the information processing of IP content, utilize same remote controller to realize different business melting in identical platform
Close.It is simply that machine two net, on same Set Top Box, i.e. realize IP network and digital tv network simultaneously.
The network data of dual-mode set-top box receives passage mainly two kinds: a kind of is that tuner is constituted with channel demodulator
Radiofrequency signal data receiving channel, another kind is the IP data channel of Ethernet interface.One dual-mode set-top box has one or many
Individual radiofrequency signal data receiving channel, uses IPQAM equipment the data of IP network can be converted to radiofrequency signal, via HFC
Network is sent to the radiofrequency signal data receiving channel of dual-mode set-top box.Can business front-end server and IPQAM equipment it
Between use certain possess Data Format Transform, data encapsulation, the gateway of data forwarding capability so that the radio-frequency channel of IPQAM can
Using the down going channel as carrying IP datagram, and the passage making dual-mode set-top box receive IP datagram can connect at Ethernet
Switch between IP tunnel and the radiofrequency signal data receiving channel of mouth.
The digital television business data of the business datum and broadcast mode that are transferred to Set Top Box by IPQAM will not be identical
Frequency on transmit.Can be mutual including video request program, time-moving television etc. with bearing multiple service on the same frequency of IPQAM
Video traffic, also IP data service.Because the single-frequency point limited bandwidth of IPQAM, so the number of services that can carry is limited.
The radiofrequency signal data receiving channel number of dual-mode set-top box is limited, therefore, it is possible to the QAM frequency limited amount simultaneously locked.When
During dual-mode set-top box bearing multiple service simultaneously, if radio frequency signal data not being received passage and the IP data of Ethernet interface
Receive passage reasonably distribute and dispatch, it would be possible to the waste of data receiving channel resource can be caused, a kind occurs
The data receiving channel of type is had more visitors or business than one can attend to, the phenomenon of another type of data receiving channel " you can catch sparrows on the doorstep ", affects whole machine
The data receiver efficiency of top box.
Summary of the invention
The data that it is an object of the invention to overcome existing dual-mode set-top box easily to occur when bearing multiple service connect
Receive the irrational defect of channel allocation, thus propose a kind of fair relatively, efficient data receiving channel distribution method.
To achieve these goals, the invention provides a kind of network data for dual-mode set-top box and receive channel management
Method, including:
Step 1), judge the type of new business, if Class A business, perform next step, if Class B business, perform step
5), if Class C business, step 8) is performed；Wherein,
Described Class A business is cannot to share the business of same radio-frequency channel with other business, and described Class B business is next
Disclosure satisfy that the business of the data form of IP datagram from IP network and data form, described Class C business uses radio frequency for needs
Business in addition to Class A business and Class B business in the business of passage；
Step 2), judge in described dual-mode set-top box the most available free radio-frequency channel, if having, therefrom choose one
Idle radio-frequency channel uses to described new business, and then end operation, if not having, performs next step；
Step 3), priority according to all business current in dual-mode set-top box do radio-frequency channel competition；If each radio frequency
The business that passage is carried all exists the priority priority higher than new business of at least one business, then refuses described new industry
The passage application of business；If the priority of all business on the priority ratio of described new business certain radio-frequency channel current is higher,
Then the radio-frequency channel that it is shared is conceded by the business on this radio-frequency channel, for described new business, judges to concede the most again
Whether the business of radio-frequency channel having Class B business, if having, then performing next step, otherwise end operation；
Step 4), for conceding the Class B business of radio-frequency channel, the IP data channel using Ethernet interface instead receives under it
Row data, finally terminate the operation to described new business；
Step 5), judge whether this dual-mode set-top box exists the radio-frequency channel not taken by Class A business, if it does,
Perform next step, otherwise perform step 7)；
Step 6), from the radio-frequency channel of dual-mode set-top box select a radio-frequency channel not taken by Class A business, so
Interacting with outside edge resource manager afterwards, can investigate described edge resource manager distribute for described new business
Enough QAM frequency bandwidth, if permissible, are assigned to described new business on this radio-frequency channel, then end operation, no
Then, next step is performed；
Step 7), described new business use Ethernet interface IP data channel receive data, finally terminate to described newly
The operation of business；
Step 8), judge whether this dual-mode set-top box exists the radio-frequency channel not taken by Class A business, if not existing,
Then perform next step；If existing, then from the radio-frequency channel of dual-mode set-top box, selected one not by Class A by path management module
The radio-frequency channel that business takies, then interacts with described edge resource manager, investigates described edge resource manager
Enough QAM frequency bandwidth can be distributed for described new business, if permissible, described new business is assigned to this radio frequency
On passage, otherwise, the passage application of new business is refused；
Step 9), judge following two conditions: one, in the business taking radio-frequency channel, if there is relatively new business
The lower Class A business of priority；Its two, described edge resource manager can on certain QAM frequency for new business distribute
Enough bandwidth；If above-mentioned two condition is set up simultaneously, the lower Class A business of the priority of the most relatively new business is by shared by it
Radio-frequency channel concede, for described new business；If setting up during above-mentioned two condition difference, then refuse the passage Shen of new business
Please.
In technique scheme, in described step 9), the Class A business that the priority of described relatively new business is lower
The Class A business minimum for taking the business medium priority of radio-frequency channel.
It is an advantage of the current invention that:
1, the business that all use network datas receive passage is divided three classes by the present invention；Receive logical in distribution network data
During road, it is allocated according to class of service, the most all use network datas are not received the industry of passage
Business considers.
2, the present invention is by two kinds of data channel switching of IP data service (Ethernet interface passage, with, radio-frequency channel), makees
For the effective ways solving the Channel contention of Class A and Class B business, solution Class B is conflicted with the bandwidth resources of Class C business.
3, the present invention follows the principle making Class B and Class C business share radio-frequency channel as far as possible, thus saves use radio frequency
The number of passage, for receiving Class A business to provide the chance of maximum.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that dual-mode set-top box and network data thereof receive passage；
Fig. 2 is the flow chart of the network data reception channel management method for dual-mode set-top box.
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described.
For the ease of describing, the radiofrequency signal data receiving channel of dual-mode set-top box is referred to as radio-frequency channel.
Before elaborating the present invention, the feature of the miscellaneous service first received dual-mode set-top box is carried out point
Analysis.According to business to network data receive passage occupation mode, by dual-mode set-top box carry type of service be divided into first, second,
The third three classes, are respectively as follows:
Class A: any one Class A business can not share same radio-frequency channel with other business.Typical Class A business
Including DVB business.
Class B: Class B business is from IP network, and the data in business meet the data form of IP datagram.This type of business is also
It it is exactly IP data transmission service.
Class C: in the business needing use radio-frequency channel, other business in addition to Class A and Class B business are all returned
For Class C business.As IPQAM carrying video request program, time-moving television, video record business.
In above-mentioned three class business, Class A service needed is monopolized radio-frequency channel, Class B and Class C business and then can be shared and penetrate
Frequently passage, i.e. can transmit the TS(transmission stream of these business on identical QAM frequency) bag.Additionally, Class B business can be led to
The IP data channel crossing Ethernet interface is transmitted.
The above-mentioned classification of the miscellaneous service received with dual-mode set-top box is corresponding, transmits various industry to dual-mode set-top box
The server of business also can be divided three classes, respectively Class A business front-end server, Class B business front-end server and Class C business
Front-end server.
In order to the above-mentioned suitable data receiving channel of all kinds of traffic assignments, need on the basis of existing dual-mode set-top box
On, it is achieved for managing the module of data receiving channel, referred to as path management module.Fig. 1 is in one embodiment, is loaded with
The dual-mode set-top box of path management module and the structure chart of external environment condition thereof.Similar with general dual-mode set-top box, this dual-mode machine
Top box has Ethernet card, tuner, demodulator, demultiplexing module.Wherein, Ethernet card is used for the transmission of IP data and connects
Receive；One tuner and a demodulator constitute a radio-frequency channel, for receiving the data of radiofrequency signal carrying；One bimodulus
A radio-frequency channel (illustrate only a radio-frequency channel in Fig. 1) is at least possessed on Set Top Box.Described radio-frequency channel is connected to solve
Multiplexing module, described demultiplexing module is used for filtering out the data stream of each business from the code stream of multiplexing, and will be corresponding
The data stream transmitting of business is to Class A or the client of Class C business.Described demultiplexing module is also connected to described channel management mould
Block, described path management module is connected with described Microsoft Loopback Adapter, and described Microsoft Loopback Adapter is then connected to described ICP/IP protocol stack
On；Described ICP/IP protocol stack is connected with Class B service customer end.
In order to illustrate the function of described path management module, the most first the external environment condition of dual-mode set-top box is introduced,
As shown in Figure 1:
Class A business front-end server is directly connected with hfc plant, transmits data to dual-mode set-top box via this network
Tuner.
Business datum is sent to IPQAM by Class C business front-end server, IPQAM business datum is encapsulated as TS(and passes
Defeated stream) form, it is modulated to QAM radiofrequency signal and transmits in hfc plant, arrive the tuner of dual-mode set-top box.
Be connected between Class B business front-end server and IPQAM have one to possess Data Format Transform, data encapsulation, data turn
Sending out the gateway of function, this gateway can be described as merging passage gateway, is called for short CCGW.CCGW forwards Class B business downstream IP data report
Mode has two kinds.The first is: downstream IP data report is encapsulated as TS(transmission stream by CCGW) form, send to IPQAM equipment, warp
The tuner of hfc plant descending arrival dual-mode set-top box.The second is: CCGW using downstream IP data report as UDP message segment
Load (that is, uses tunnel encapsulation mode to be packaged), is sent to the Ethernet card of dual-mode set-top box through IP network.Using the
During a kind of mode, dual-mode set-top box using radio-frequency channel as the data receiving channel of Class B business；When using the second way,
Dual-mode set-top box using the IP tunnel of Ethernet interface as the data receiving channel of Class B business.Letter is being passed through with dual-mode set-top box
On the premise of order is consulted, above two mode can switch mutually.Meanwhile, dual-mode set-top box sends from Class B to CCGW
These upstream IP datagrams are forwarded to Class B business front-end server by CCGW by the upstream IP datagrams of service customer end.
In order to transmit multiple business on the same QAM frequency of IPQAM equipment, the frequency bandwidth to IPQAM is needed to provide
Source is allocated, and edge resource manager (being called for short ERM) is just being used to implement the frequency bandwidth resource allocation of IPQAM.One machine
Can multiple business of top box be transmitted on same QAM frequency, depends on the loading condition of IPQAM and the resource distribution of ERM
Algorithm.Only when multiple traffic assignments that ERM can be this Set Top Box on certain frequency go out enough bandwidth, these business are
The same radio-frequency channel of Set Top Box can be shared.
It is described above the external environment condition of dual-mode set-top box, on this basis, the merit of path management module described below
Energy.
Described path management module has several functions, including: the current all types of service run of (1) record, for first
Class or Class C traffic assignments radio-frequency channel；(2) in the presence of having IP data service (i.e. Class B business), path management module is responsible for
Consult with outside fusion passage gateway (CCGW), to determine the channel type (as previously mentioned) that IP data service is used；
When using radio-frequency channel, the downstream IP data report of Class B business is encapsulated as TS(transmission stream by CCGW) form, send extremely
IPQAM, is converted to radiofrequency signal, via hfc plant transmit, arrive dual-mode set-top box radio-frequency channel, path management module from
Demultiplexing module receives IP datagram, writes Microsoft Loopback Adapter；When using the IP tunnel of Ethernet interface, CCGW is by Class B business
Downstream IP data report use tunnel encapsulation mode to be packaged, and send to IP network, transmit the ether to dual-mode set-top box
Network interface card, enters ICP/IP protocol stack through Ethernet card, and is read from the application layer of ICP/IP protocol stack by path management module, write
Enter Microsoft Loopback Adapter；Use in above two mode any one, the IP datagram of write Microsoft Loopback Adapter, all will be by Class B business
Client reads from the application layer of ICP/IP protocol stack；(3) source IP address is set to virtual ip address by Class B service customer end,
Therefore, the upstream IP datagrams that this client sends, Microsoft Loopback Adapter will be arrived through ICP/IP protocol stack, by channel management mould
Block reads from Microsoft Loopback Adapter, and as the load of UDP message segment, through ICP/IP protocol stack, sends to IP network from Ethernet card
Network, is sent into the Internet of CCGW this locality ICP/IP protocol stack, is forwarded to Class B industry by CCGW by load (i.e. upstream IP datagrams)
Business front-end server；(4) when running multiple Class B or Class C business on dual-mode set-top box simultaneously, path management module will be outwards
Edge resource manager (ERM) bandwidth application in portion, if it is possible to application carries this to enough bandwidth on a frequency
A little business, just make them share radio-frequency channel, are the most just preferably Class C traffic assignments radio-frequency channel, and Class B business may need
Data are received by the IP tunnel of Ethernet interface.
From the above, it can be seen that CCGW and path management module synergism so that the IP data of Class B business are sent out
Send and reception process is transparent for application layer.In other words, CCGW and path management module cooperative achievement use radio-frequency channel
Or the function that IP datagram is transmitted by Ethernet interface passage, but the client and server program of Class B business being not required to
The transmission channel of IP datagram to be concerned about.
Below the workflow of the channel management method of the present invention is illustrated.
With reference to Fig. 2, the network data of the present invention receives channel management method and includes:
Step 1), judge the type of new business, if Class A business, perform next step, if Class B business, perform step
5), if Class C business, step 8) is performed；
Step 2), judge in described dual-mode set-top box the most available free radio-frequency channel, if having, therefrom choose one
Idle radio-frequency channel uses to described new business, and then end operation, if not having, performs next step；
Step 3), priority according to all business current in dual-mode set-top box do radio-frequency channel competition；If each radio frequency
The business that passage is carried all exists the priority priority higher than new business of at least one business, then refuses described new industry
The passage application of business；If the priority of all business on the priority ratio of described new business certain radio-frequency channel current is higher,
Then the radio-frequency channel that it is shared is conceded by the business on this radio-frequency channel, for described new business, judges to concede the most again
Whether the business of radio-frequency channel having Class B business, if having, then performing next step, otherwise end operation；
Step 4), for conceding the Class B business of radio-frequency channel, the IP data channel using Ethernet interface instead receives under it
Row data, finally terminate the operation to described new business；
Step 5), judge whether this dual-mode set-top box exists the radio-frequency channel not taken by Class A business, if it does,
Perform next step, otherwise perform step 7)；
Step 6), from the radio-frequency channel of dual-mode set-top box select a radio-frequency channel not taken by Class A business, so
Interact with described ERM afterwards, investigate described ERM and can distribute enough QAM frequency bandwidth for described new business, if can
If with, described new business is assigned on this radio-frequency channel, then end operation, otherwise, performs next step；
Step 7), described new business use Ethernet interface IP data channel receive data, finally terminate to described newly
The operation of business；
Step 8), judge whether this dual-mode set-top box exists the radio-frequency channel not taken by Class A business, if not existing,
Then perform next step；If existing, then from the radio-frequency channel of dual-mode set-top box, selected one not by Class A by path management module
Can the radio-frequency channel that business takies, then interacts with described ERM, investigate described ERM and distribute foot for described new business
Enough QAM frequency bandwidth, if permissible, are assigned to described new business on this radio-frequency channel, otherwise, and refusal new business
Passage application；
Step 9), judge following two conditions: one, in the business taking radio-frequency channel, if there is relatively new business
The lower Class A business of priority；Its two, can described ERM for the new business enough bandwidth of distribution on certain QAM frequency；
If above-mentioned two condition is set up simultaneously, the radio-frequency channel that it is shared is allowed by the Class A business that the priority of the most relatively new business is lower
Go out, for described new business；If setting up during above-mentioned two condition difference, then refuse the passage application of new business.As one
Preferred implementation, the Class A business that the priority of described relatively new business is lower is to have taken the business medium priority of radio-frequency channel
Minimum Class A business.
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted.Although ginseng
According to embodiment, the present invention is described in detail, it will be understood by those within the art that, the technical side to the present invention
Case is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, it all should be contained in the present invention
Right in the middle of.
Claims (2)
1. the network data for dual-mode set-top box receives a channel management method, including:
Step 1), judge the type of new business, if Class A business, perform next step, if Class B business, perform step 5),
If Class C business, perform step 8)；Wherein,
Described Class A business is cannot to share the business of same radio-frequency channel with other business, and described Class B business is from IP
Network and data form disclosure satisfy that the business of the data form of IP datagram, and described Class C business uses radio-frequency channel for needs
Business in business in addition to Class A business and Class B business；
Step 2), judge in described dual-mode set-top box the most available free radio-frequency channel, if having, therefrom choose a free time
Radio-frequency channel give described new business use, then end operation, if not having, perform next step；
Step 3), priority according to all business current in dual-mode set-top box do radio-frequency channel competition；If each radio-frequency channel
The business carried all exists the priority priority higher than new business of at least one business, then refuses described new business
Passage application；If the priority of all business on the priority ratio of described new business certain radio-frequency channel current is higher, then should
The radio-frequency channel that it is shared is conceded by the business on radio-frequency channel, for described new business, judges to concede radio frequency the most again
Whether the business of passage having Class B business, if having, then performing next step, otherwise end operation；
Step 4), for conceding the Class B business of radio-frequency channel, use the IP data channel of Ethernet interface instead and receive its lower line number
According to, finally terminate the operation to described new business；
Step 5), judge whether this dual-mode set-top box exists the radio-frequency channel not taken by Class A business, if it does, perform
Next step, otherwise perform step 7)；
Step 6), from the radio-frequency channel of dual-mode set-top box select a radio-frequency channel not taken by Class A business, then with
Outside edge resource manager interacts, and can investigate described edge resource manager distribute enough for described new business
QAM frequency bandwidth, if permissible, described new business is assigned on this radio-frequency channel, then end operation, otherwise,
Perform next step；
Step 7), described new business use the IP data channel of Ethernet interface to receive data, finally terminate described new business
Operation；
Step 8), judging whether this dual-mode set-top box exists the radio-frequency channel not taken by Class A business, if not existing, then holding
Go next step；If existing, then from the radio-frequency channel of dual-mode set-top box, selected one not by Class A business by path management module
The radio-frequency channel taken, then interacts with described edge resource manager, and can investigate described edge resource manager
Distribute enough QAM frequency bandwidth for described new business, if permissible, described new business is assigned to this radio-frequency channel
On, otherwise, the passage application of refusal new business；
Step 9), judge following two conditions: one, in the business taking radio-frequency channel, if exist compared with new business is excellent
The Class A business that first level is lower；Its two, can described edge resource manager on certain QAM frequency for new business distribution enough
Bandwidth；If above-mentioned two condition is set up simultaneously, the lower Class A business of the priority of the most relatively new business is by its shared penetrating
Frequently passage is conceded, for described new business；If setting up during above-mentioned two condition difference, then refuse the passage application of new business.
Network data for dual-mode set-top box the most according to claim 1 receives channel management method, it is characterised in that
In described step 9), the Class A business that the priority of described relatively new business is lower is in the business having taken radio-frequency channel
The Class A business that priority is minimum.
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| CN105704549A (en) * | 2014-11-24 | 2016-06-22 | 中兴通讯股份有限公司 | Bandwidth control method and device |
| CN108037998B (en) * | 2017-12-01 | 2019-05-24 | 北京工业大学 | A kind of data receiving channel dynamic allocation method towards Spark Streaming platform |
| CN109874058A (en) * | 2019-03-04 | 2019-06-11 | 深圳市天威视讯股份有限公司 | Set-top box, readable storage medium storing program for executing, the EMS memory management process of set-top box and system |
| CN114124690A (en) * | 2021-08-30 | 2022-03-01 | 济南浪潮数据技术有限公司 | Alarm configuration method, system and related device for data center |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984233A (en) * | 2006-05-22 | 2007-06-20 | 天栢宽带网络科技（上海）有限公司 | Double-mode set top box and double-mode data transmission |
| CN102006503A (en) * | 2010-11-05 | 2011-04-06 | 中国科学院声学研究所 | Wideband data communication system and method for integrating IP network and cable television network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984233A (en) * | 2006-05-22 | 2007-06-20 | 天栢宽带网络科技（上海）有限公司 | Double-mode set top box and double-mode data transmission |
| CN102006503A (en) * | 2010-11-05 | 2011-04-06 | 中国科学院声学研究所 | Wideband data communication system and method for integrating IP network and cable television network |
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