CN103532924A - Digital communication system, information distribution method and receiving terminal - Google Patents
Digital communication system, information distribution method and receiving terminal Download PDFInfo
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- CN103532924A CN103532924A CN201310072149.6A CN201310072149A CN103532924A CN 103532924 A CN103532924 A CN 103532924A CN 201310072149 A CN201310072149 A CN 201310072149A CN 103532924 A CN103532924 A CN 103532924A
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Abstract
The invention discloses a digital communication system, an information distribution method and a receiving terminal. The digital communication system comprises a first network, a second network and the receiving terminal capable of being connected with the two networks. The receiving terminal receives an instruction from the first network. The instruction comprises physical resource information of transmission contents of the second network. The receiving terminal receives the contents distributed by the second network in the designated physical resource according to the instruction. The physical resource comprises one or combination of multiple of a time resource, a frequency resource, a subcarrier resource, a code resource and a space resource. Therefore, the first network and the second network can be fused by the digital communication system, and data can be selectively transmitted between the two networks so that respective characteristics of the two networks can be effectively utilized and transmission efficiency and capacity are enhanced.
Description
Technical field
The present invention relates to a kind of heterogeneous network, more particularly, relate to a kind of digital communication system, information dispensing method and receiving terminal.
Background technology
Heterogeneous network converged be one in recent years by the network Development pattern of numerous science or commercial undertaking research.In this pattern, the concept of " network " has not only been confined to our mentioned the Internet at ordinary times, but the general name of the diverse networks such as radio network, wireless communication networks, the Internet, broadband networks.In the concept of heterogeneous network, between different networks, such as radio network and wireless communication networks, radio network and the Internet or broadband networks etc., between any two or in many ways, have a distribution in transfer of data, data are selectively propagated in a network therein, thereby reached the function of Optimizing Network Resources.
The concept of heterogeneous network has proposed for many years, but what kind of the structure of concrete heterogeneous network is, which network should be participated in the structure of heterogeneous network, is the problem of the next difficulty of eye.Heterogeneous network means the pool propagation of information data, but considers again validity, convenience and the resources conservation of this propagation, on the other hand, also will consider that heterogeneous network is for the impact of former network, and the problems such as distribution between each network.
Summary of the invention
Object of the present invention aims to provide a kind of digital communication system, information dispensing method and receiving terminal, proposes a kind of isomerism network structure, and has proposed to transmit method and the receiving terminal of data in this isomerism network structure.
For achieving the above object, implement digital communication system of the present invention comprise first network, second network and with the equal attachable receiving terminal of above-mentioned two networks, this receiving terminal receives instruction from first network, the physical resource information that this instruction comprises second network transferring content, receiving terminal receives the content of second network distribution at the physical resource of appointment according to this instruction, this physical resource can comprise one or more the combination in time resource, frequency resource, sub-carrier resources, code resource and space resources.
For achieving the above object, implement information dispensing method of the present invention, in order to realize, by first network and second network, to receiving terminal, send content, the method comprises the steps: to receiving terminal, to send instruction by first network, and this instruction comprises one or more the combined information in time, frequency, subcarrier, code or the space that second network starts transferring content; Receiving terminal receives the content of distributing by second network according to this instruction at the physical resource of appointment.
According to above-mentioned principal character, first network is communication network, comprises the point-to-point communication networks such as wireless communication networks, wire net, the Internet, WLAN (wireless local area network), and second network is radio network, especially digital TV broadcasting network.
According to above-mentioned principal character, front end at this first network and second network arranges cluster service module, this cluster service module gathers multi-medium data and makes data label, multi-medium data is divided into hot spot data and non-hot spot data, hot spot data is sent to second network, non-hot spot data is sent to first network.Second network receives hot spot data, generates this instruction, and this instruction is sent to first network according to hot spot data.
For achieving the above object, the present invention proposes a kind of receiving terminal, this receiving terminal comprises first and second network connection unit, respectively in order to be connected with second network with first network, this receiving terminal receives instruction by first network linkage unit from first network, and this instruction comprises one or more the combined information in time, frequency, subcarrier, code or the space that second network starts transferring content; Receiving terminal receives the content of second network distribution according to this instruction in the time of appointment by second network linkage unit.
Compared with prior art, adopt isomerism network structure of the present invention by two kinds of network integrations, by data selectively transmission between two kinds of networks, thereby can effectively utilize two kinds of networks feature separately, optimizing data efficiency, promotes transfer of data total amount.
Accompanying drawing explanation
In the present invention, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 is the basic block diagram of digital communication system of the present invention;
Fig. 2 is the expansion structure figure of digital communication system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, further illustrate technical scheme of the present invention.
As shown in Figure 1, digital communication system of the present invention, for providing information to user terminal, mainly comprises two transmission networks.Transmission network of the present invention does not limit concrete networking model and network configuration, first network can be communication network, comprise the point-to-point communication networks such as wireless communication networks, wire net, the Internet, WLAN (wireless local area network), second network can be radio network, especially digital TV broadcasting network, have the ability that efficient broadband data are transmitted.Between user terminal and first network, can be provided with two-way/uni-directional channels of information, and between second network and user terminal, can be uni-directional channels of information.
In system of the present invention, radio network is optionally to receiving terminal, to send content.The feature of broadcast is that point-to-area information sends, thus by part the content through selecting by the transmission of radio network, the flow of sharing communication network that can be larger.Although and communication network can carry out the transfer of data of big data quantity, multiple terminals, consider growing the Internet and mobile data amount at present, it is the scheme of an optimization that the partial discharge of communication network is sent by radio network.
In the present invention, communication network sends instruction to terminal, and this instruction comprises one or more the combined information in time, frequency, subcarrier, code or the space that radio network starts transferring content.Terminal comprises first and second network connection unit, respectively in order to be connected with second network (radio network) with first network (communication network).Receive after this instruction, indication in extraction instruction is in the information such as time point, Frequency point, cluster of subcarriers, code word and direction in space of appointment, form broadcast mission bit stream and be stored in the memory of terminal, terminal receives at time, the channel of appointment the content that radio network is broadcasted according to broadcast mission bit stream.Correspondingly, radio network is broadcasted corresponding content at time, the channel of this instruction appointment.
For above-mentioned transmission object, the content of " through selecting " sending by radio network is the much higher media content of temperature, first these multi-medium datas will be processed through content clustering, therefore the present invention can arrange on demand a content clustering module except radio network and communication network, be connected with communication network and radio network, be arranged in logic the front end of radio network and communication network, but this module can be to be independent of outside radio network or communication network and a separate server arranging on physical structure, also can be in radio network or communication network one be exclusively used in word, the specialized server that audio frequency and video are processed and classified.
Content clustering module gathers the multi-medium data in various sources on communication network, first pass through source channel, content and the user's of content of multimedia correlation analysis and prediction and the feedback informations such as click response of user to content, analyze the temperature of various multi-medium datas, the content that most people is concerned about-be that hot spot data is picked out, so just the content of high temperature and common content have been made a distinction.
Secondly, content clustering module is done further processing to hot spot data, according to the feature of each multi-medium data temperature, extract the keyword of multi-medium data, with keyword, each multi-medium data is made to data label, in data label, comprise a distinguishing mark, by this distinguishing mark, all multi-medium datas are divided into hot spot data and non-hot spot data, and all data labels are all done unified Content Management in content clustering module.
For each data label, content clustering module need to be constantly updated its temperature, thus trasaction key and corresponding distinguishing mark, so the temperature of multi-medium data is the parameter of a dynamic change.For example, within a period of time, certain content of multimedia is paid close attention to by a lot of people, this content of multimedia will become hot spot data, and after a period of time, the attention rate of this content of multimedia has just declined, now, content clustering module will be revised the distinguishing mark of this data label, and the content by it from high temperature becomes non-hot spot data.Finally, by radio network, come facilitating communications network to carry out the transmission of hot spot data.
After multi-medium data being divided into hot spot data and non-hot spot data in content clustering module, content clustering module is divided into two parts by multi-medium data: a part is hot spot data, and another part is non-hot spot data.Content clustering module sends this two parts content by two different networks, hot spot data is sent to radio network, and non-hot spot data is sent to communication network.After radio network is received hot spot data, according to the feature of hot spot data, information such as keyword, temperature is made instruction, and wherein this instruction has comprised the information such as time, channel of above-mentioned beginning transferring content, and this instruction is sent to communication network.Communication network utilizes point-to-point mode that this instruction is sent in the terminal that needs to receive.
Channel between radio network and terminal, radio network and communication network can be two logical channels on Same Physical channel, the mode of working by the time-division or the multiplexing Same Physical channel of mode of frequency division work, these two channels can be directly also two different physical channels on the other hand.And the channel that sends instruction between communication network and terminal is not limited to one-way channel, can be to be exclusively used in the one-way channel that sends instruction, also can utilize existing two-way channel, IP, P2P etc. to carry out transfer instruction.
For user terminal, in the time of broadcast mission bit stream appointment, open broadcast reception module, at the broadcast channel of appointment, receive the hot spot data of radio network.But the instruction receiving according to terminal, terminal only just can receive broadcasted content at time, the channel of this instruction appointment, and if terminal does not receive broadcasted content in the time of appointment, reasons such as weak output signal or terminal closedown, terminal still can be downloaded this content in point-to-point mode by communication network.Further, the broadcasted content that end-on is received carries out integrity analysis, the packet of losing in retrieval broadcasted content, the packet of losing by downloaded.
Radio network and communication network combination are the trend of new generation network framework, by so a kind of structure, the feature of digital television broadcasting system can be brought into play, poly-server by content can be separated the content of high temperature (hot spot data), by making the instruction of hot spot data, the content that most people can be concerned about be carried out direct content transmission by broadcast channel, larger reduction the flow burden of communication network.A kind of digital television broadcasting system like this provides plurality of access modes for user, farthest for user provides accurate, efficient and high-quality information service.Become the information superhighway of the new period with the radio network of communication network combination, a large amount of multi-medium datas can be sent to user fast and accurately by the mode of broadcast.
It will be understood to one skilled in the art that, above specification is only one or more execution modes in the numerous embodiment of the present invention, and not uses limitation of the invention.Any equalization variation, modification for the above embodiment and be equal to the technical schemes such as alternative, as long as connotation scope according to the invention, all will drop in the scope that claims of the present invention protect.
Claims (13)
1. a digital communication system, comprise first network, second network and with the equal attachable receiving terminal of above-mentioned two networks, it is characterized in that: this receiving terminal receives instruction from first network, the physical resource information that this instruction comprises second network transferring content, receiving terminal receives the content of second network distribution at the physical resource of appointment according to this instruction, this physical resource comprises one or more the combination in time resource, frequency resource, sub-carrier resources, code resource and space resources.
2. digital communication system as claimed in claim 1, is characterized in that: this first network is communication network, comprises the point-to-point communication networks such as wireless communication networks, wire net, the Internet, WLAN (wireless local area network).
3. digital communication system as claimed in claim 1, is characterized in that: this second network is radio network.
4. digital communication system as claimed in claim 3, is characterized in that: this second network is digital TV broadcasting network.
5. digital communication system as claimed in claim 1, it is characterized in that: the front end of first network and second network is provided with cluster service module, this cluster service module gathers multi-medium data and makes data label, multi-medium data is divided into hot spot data and non-hot spot data, hot spot data is sent to second network, non-hot spot data is sent to first network.
6. digital communication system as claimed in claim 5, is characterized in that: this second network receives hot spot data, generates this instruction, and this instruction is sent to first network according to hot spot data.
7. an information dispensing method, sends content by first network and second network to receiving terminal in order to realize, and it is characterized in that the method comprises the steps:
By first network, to receiving terminal, send instruction, this instruction comprises one or more the combined information in time, frequency, subcarrier, code or the space that second network starts transferring content; Receiving terminal receives the content of distributing by second network according to this instruction at the physical resource of appointment.
8. information dispensing method as claimed in claim 7, is characterized in that: this first network is communication network, comprises the point-to-point communication networks such as wireless communication networks, wire net, the Internet, WLAN (wireless local area network).
9. information dispensing method as claimed in claim 7, is characterized in that: this second network is radio network.
10. information dispensing method as claimed in claim 9, is characterized in that: this second network is digital TV broadcasting network.
11. information dispensing methods as claimed in claim 7, it is characterized in that: the front end at this first network and second network arranges cluster service module, this cluster service module gathers multi-medium data and makes data label, multi-medium data is divided into hot spot data and non-hot spot data, hot spot data is sent to second network, non-hot spot data is sent to first network.
12. information dispensing methods as claimed in claim 11, is characterized in that: this second network receives hot spot data, generates this instruction, and this instruction is sent to first network according to hot spot data.
13. 1 kinds of receiving terminals, comprise first and second network connection unit, respectively in order to be connected with second network with first network, it is characterized in that: this receiving terminal receives instruction by first network linkage unit from first network, this instruction comprises one or more the combined information in time, frequency, subcarrier, code or the space that second network starts transferring content; Receiving terminal receives the content of second network distribution according to this instruction in the time of appointment by second network linkage unit.
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| CN104837069A (en) * | 2015-04-14 | 2015-08-12 | 国家新闻出版广电总局广播科学研究院 | NGB-W system and data processing method |
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| CN105635179A (en) * | 2016-03-02 | 2016-06-01 | 清华大学 | Dual-network convergence system and data transmission method |
| CN111368201A (en) * | 2020-03-06 | 2020-07-03 | 杭州威佩网络科技有限公司 | Hot event detection method and device, electronic equipment and storage medium |
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| CN111368201A (en) * | 2020-03-06 | 2020-07-03 | 杭州威佩网络科技有限公司 | Hot event detection method and device, electronic equipment and storage medium |
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| CN103532924B (en) | 2016-12-28 |
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