CN104363523B - A kind of asymmetric communication network and communications method - Google Patents

A kind of asymmetric communication network and communications method Download PDF

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Publication number
CN104363523B
CN104363523B CN201410736266.2A CN201410736266A CN104363523B CN 104363523 B CN104363523 B CN 104363523B CN 201410736266 A CN201410736266 A CN 201410736266A CN 104363523 B CN104363523 B CN 104363523B
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Prior art keywords
base station
blank
band
network
band base
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CN104363523A (en
Inventor
吕婧
黄晓霞
肖钟凯
毛成华
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Shenzhen Institute of Advanced Technology of CAS
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Shenzhen Institute of Advanced Technology of CAS
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6181—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a mobile phone network

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A kind of asymmetric communication network and communications method, the invention discloses a kind of asymmetric communication networks, including blank TV band base station and second base station different from blank TV band base station, it transmits communication data to mobile terminal and realizes downlink in blank TV band base station, the mobile terminal directly transmits communication data to second base station and realizes that uplink, second base station transmit communication data by network to blank TV band base station.The asymmetric communication network of the present invention realizes downlink transmission by blank TV band base station, uplink transmission is realized by second base station different from blank TV band base station, take full advantage of the high speed blank TV band base station transmission channel of existing resource, uplink is carried out data transmission from downlink using different communication paths, and broadband transmission speed is improved.

Description

A kind of asymmetric communication network and communications method
Technical field
The present invention relates to network communication fields, more particularly to a kind of asymmetric communication network and communications method.
Background technology
With popularizing for the mobile internet devices such as smart mobile phone and tablet computer, the carrier of mobile network is to network demand It is growing, carrier such as passenger, public transport information system, city vehicle management system, the environmental monitoring system of mobile network Deng.It increases sharply along with user, wireless network traffic will become more and more crowded, and the defect of cellular bandwidth gradually exposes.
Currently, the uplink and downlink of traditional network structure uses the same frequency range, mobile network mainly to be carried out by base station Communication, cellular network commercialization degree is high, and wireless service is more, but because user is more, be easy to cause network congestion, and due to the use of frequency Rate is high, and downlink demand is very big, is easy to cause that bandwidth for transmission speed is low, network speed becomes very slow.Although in some cases A part of network demand can also be evacuated by WiFi (wireless network) to increase experience sense, but WiFi power is small, coverage area Only hundred meters, demand of the carrier fast moved to network cannot be met.
Invention content
In view of the shortcomings of the prior art, the present invention provides fast asymmetric of a kind of wide coverage, network transmission Communication network and communication means.
In order to achieve the above purpose, present invention employs the following technical solutions：
A kind of asymmetric communication network, including blank TV band base station and different from blank TV band base station Second base station, blank TV band base station transmit communication data to mobile terminal and realize that downlink, the mobile terminal are direct It transmits communication data to second base station and realizes uplink, second base station is by network to blank TV band base station Transmit communication data.
Wherein, second base station is cellular base station.
Alternatively, second base station is the base stations WiMAX.
Wherein, the tranmitting frequency of blank TV band base station is between 512MHz and 698MHz.
Wherein, multiple blank TV band base stations are sequentially connected, and receive the request of data for reaching mobile terminal.
The present invention also provides a kind of communication means of asymmetric communication network, blank TV band base station is transmitted logical Letter data to mobile terminal realizes downlink, and it is extremely different from blank TV band base station that mobile terminal directly transmits communication data The second base station, second base station by network to blank TV band base station transmit communication data realize uplink.
Wherein, second base station is cellular base station.
Alternatively, second base station is the base stations WiMAX.
Wherein, the tranmitting frequency of blank TV band base station is between 512MHz and 698MHz.
Wherein, multiple blank TV band base stations are sequentially connected, and receive the request of data of the mobile terminal.
The present invention asymmetric communication network by blank TV band base station realize downlink transmission, by with blank Uplink transmission is realized in the second different base station of TV band base station, takes full advantage of the high speed blank TV frequency of existing resource Duan Jizhan transmission channels, uplink are carried out data transmission from downlink using different communication paths, and broadband transmission speed is improved Degree.
Description of the drawings
Fig. 1 is the asymmetric communication Principles of Network figure of the embodiment of the present invention 1.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further described.The embodiment of the present invention is illustrated by taking the network demand on the vehicle moved as an example, should be managed Solution, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
Embodiment 1
Refering to fig. 1, it is the asymmetric communication Principles of Network figure of the embodiment of the present invention 1, the asymmetric of the embodiment of the present invention is led to Communication network includes blank TV band base station 20 and second base station different from blank TV band base station 20, blank TV band It transmits communication data to mobile terminal 10 and realizes that downlink, mobile terminal 10 directly transmit communication data to the second base station 30 in base station 20 Realize that uplink, the second base station 30 transmit communication data by network to blank TV band base station 20.
The tranmitting frequency of blank TV band base station 20 can reach the band of 180MHz between 512MHz and 698MHz Width, compared to more ripe wireless network WiFi at present, transmission range is farther, network transfer speeds faster, but white spaces electricity Depending on the main following behavior master in base station 20, in order to ensure normal uplink data transmission, white spaces TV base station 20 it is upper The setting interval of line link needs to arrange by the transmission range of mobile terminal 10.Due to the transmitting work(of white spaces TV base station 20 Rate is much larger than mobile terminal 10, eventually leads to 20 layout density of white spaces TV base station of uplink more than downlink quantity It is more, increase base station construction cost.
In the present embodiment, the second base station 30 preferably uses cellular base station, the signal compared to blank TV band base station 20 to cover Lid range, cellular base station signal coverage area is wider, can reach 10km, by the way that the data of uplink are transferred directly to bee The data transmission one-time-reach-place of 10km ranges may be implemented in nest base station, compared to directly using the realization of blank TV band base station 20 The data transmission of uplink, often transmits 10km, and only multiple blank TV frequencies can be realized with 1 cellular base station in this wire laying mode The transmission range of Duan Jizhan 20 need not eliminate big density blank TV in the transformation for the infrastructure for changing original base station The construction cost of frequency range base station 20.
In addition, in other embodiments, 20 quantity of blank TV band base station can be multiple, multiple blank TV frequencies Duan Jizhan 20 is sequentially connected, to receive the request of data of neighbouring mobile terminal 10.Meanwhile to ensure two neighboring blank TV It is preferably in communication with each other between frequency range base station 20, the second base station 30 can also be set between blank TV band base station 20.
It is the advantages of the advantages of present invention combination blank TV band 20 bandwidth of base station and cellular base station wide coverage, mobile The mobile terminal 10 of state obtains communication data by blank TV band base station 20 nearest therewith and realizes downlink, by using Cellular base station is connected to real-time performance downlink.Downlink carries out signal transmission using blank TV band base station 20, overcomes honeycomb The defect of the narrow bandwidth of network, improves network transfer speeds；Uplink carries out signal transmission using cellular base station, then passes through network Blank TV band base station 20 is passed to, the coverage area of network is wider.
Embodiment 2
As different from Example 1, the present embodiment uses WiMAX (Worldwide Interoperability for Microwave Access, i.e. worldwide interoperability for microwave accesses) base station or other wireless base stations such as base stations WiFi, 3G (wireless wide-areas Net) base station etc. is used as the second base station 30, this communication network architecture that the uplink link of mobile terminal 10 and downlink are passed Transmission link is respectively adopted two different paths and realizes that data transmission, data transmission are more efficient.
It is understood that in other embodiments, the data transmission of downlink can also use the base stations WiMAX, 3G The combined type network structure and network connection that a variety of base stations such as base station and the base stations WiFi are used in combination.The unsymmetric structure of the present invention Communication network overcome the low defect of existing network bandwidth for transmission speed, the carrier pair fast moved can be met well The demand of network.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered It is considered as the protection domain of the application.

Claims (4)

1. a kind of asymmetric communication network, which is characterized in that including blank TV band base station (20) and with the blank TV Communication data is transmitted to mobile terminal in different the second base station (30) in frequency range base station (20), blank TV band base station (20) (10) downlink is realized, the mobile terminal (10) directly transmits communication data to second base station (30) and realizes uplink, described Second base station (30) communication data is transmitted to blank TV band base station (20) by network；Second base station (30) is Cellular base station or the base stations WiMAX, multiple blank TV band base stations (20) are sequentially connected, and receive the neighbouring movement eventually The request of data for holding (10), is additionally provided with the second base station (30) between blank TV band base station (20).
2. asymmetric communication network according to claim 1, which is characterized in that blank TV band base station (20) Tranmitting frequency is between 512MHz and 698MHz.
3. a kind of communication means of asymmetric communication network, which is characterized in that transmit communication number in blank TV band base station (20) According to mobile terminal (10) realize downlink, mobile terminal (10) directly transmit communication data extremely with blank TV band base station (20) different the second base station (30), second base station (30) are transmitted by network to blank TV band base station (20) Communication data realizes uplink；Second base station (30) is cellular base station or the base stations WiMAX, multiple blank TV band bases Stand (20) be sequentially connected, receive near the mobile terminal (10) request of data, in blank TV band base station (20) the second base station (30) is additionally provided between.
4. the communication means of asymmetric communication network according to claim 3, which is characterized in that the blank TV band The tranmitting frequency of base station (20) is between 512MHz and 698MHz.
CN201410736266.2A 2014-12-05 2014-12-05 A kind of asymmetric communication network and communications method Active CN104363523B (en)

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CN107132854A (en) * 2017-04-28 2017-09-05 深圳市三合信义科技发展有限公司 A kind of unmanned plane, unmanned plane control method and system based on white frequency spectrum
CN108710305A (en) * 2018-05-24 2018-10-26 广东美的制冷设备有限公司 The control interface methods of exhibiting and device of household appliance
CN110784422A (en) * 2019-10-14 2020-02-11 广州微算互联信息技术有限公司 Cloud mobile phone network data separation method, device, medium and terminal equipment

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