CN104363523A - Asymmetric communication network and method - Google Patents

Asymmetric communication network and method Download PDF

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Publication number
CN104363523A
CN104363523A CN201410736266.2A CN201410736266A CN104363523A CN 104363523 A CN104363523 A CN 104363523A CN 201410736266 A CN201410736266 A CN 201410736266A CN 104363523 A CN104363523 A CN 104363523A
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China
Prior art keywords
base station
blank
band base
communication network
mobile terminal
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CN201410736266.2A
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Chinese (zh)
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CN104363523B (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

The invention discloses an asymmetric communication network and method. The asymmetric communication network comprises a blank television frequency band base station and a second base station different from the blank television frequency band base station, wherein the blank television frequency band base station is used for transmitting communication data to a mobile terminal to implement downlink transmission; the mobile terminal is used for directly transmitting the communication data to the second base station to implement uplink transmission; the second base station is used for transmitting the communication data to the blank television frequency band base station by virtue of a network. According to the asymmetric communication network, the downlink chain transmission is implemented by the blank television frequency band base station; the uplink chain transmission is implanted by the second base station different from the blank television frequency band base station; a high-speed blank television frequency band base station transmission channel of an existing resource is fully used; the data transmission is implemented between the uplink chain and the downlink chain by virtue of different communication paths; the broadband transmission speed is increased.

Description

A kind of asymmetric communication network and communications method
Technical field
The present invention relates to network communication field, particularly relate to a kind of asymmetric communication network and communications method.
Background technology
Along with popularizing of the mobile internet device such as smart mobile phone and panel computer, the carrier of mobile network is growing to network demand, and the carrier of mobile network is as passenger, public transport information system, city vehicle management system, environmental monitoring system etc.Increase sharply along with user, wireless network traffic will become more and more crowded, and the defect of cellular bandwidth exposes gradually.
At present, the up-downgoing of traditional network configuration uses same frequency range, mobile network is mainly communicated by base station, cellular network commercialization degree is high, and wireless service is many, but because of user many, easily cause network congestion, and due to frequency of utilization high, down link demand is very large, easily causes that bandwidth for transmission speed is low, network speed becomes very slow.Although also can pass through WiFi (wireless network) in some cases to evacuate a part of network demand to increase experience sense, WiFi power is little, and coverage only hundred meters, can not meet the demand of carrier to network of fast moving.
Summary of the invention
In view of the deficiency that prior art exists, the invention provides a kind of asymmetric communication network and communications method that wide coverage, Internet Transmission are fast.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of asymmetric communication network, comprise blank TV band base station and second base station different from described blank TV band base station, described blank TV band base station is transmitted communication data to mobile terminal and is realized descending, described mobile terminal directly transmits communication data to described second base station and realizes up, and described second base station transmits communication data by network to described blank TV band base station.
Wherein, described second base station is cellular basestation.
Or described second base station is WiMAX base station.
Wherein, the tranmitting frequency of described blank TV band base station is between 512MHz and 698MHz.
Wherein, multiple described blank TV band base station is connected successively, receives the request of data reaching mobile terminal.
Present invention also offers a kind of communication means of asymmetric communication network, described blank TV band base station is transmitted communication data to mobile terminal and is realized descending, mobile terminal directly transmits communication data to second base station different from described blank TV band base station, and described second base station is transmitted communication data by network to described blank TV band base station and realized up.
Wherein, described second base station is cellular basestation.
Or described second base station is WiMAX base station.
Wherein, the tranmitting frequency of described blank TV band base station is between 512MHz and 698MHz.
Wherein, multiple described blank TV band base station is connected successively, receives the request of data of described mobile terminal.
Asymmetric communication network of the present invention realizes downlink transmission by blank TV band base station, ul transmissions is realized by the second base station different from blank TV band base station, take full advantage of the high speed blank TV band base-station transmission passage of existing resource, uply adopt different communication paths to carry out transfer of data from down link, improve wideband transmit speed.
Accompanying drawing explanation
Fig. 1 is the asymmetric communication Principles of Network figure of the embodiment of the present invention 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in more detail.The embodiment of the present invention is described for the network demand on the vehicle of motion, should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
Consult Fig. 1, for the asymmetric communication Principles of Network figure of the embodiment of the present invention 1, the asymmetric communication network of the embodiment of the present invention comprises blank TV band base station 20 and second base station different from blank TV band base station 20, blank TV band base station 20 is transmitted communication data and is realized descending to mobile terminal 10, mobile terminal 10 directly transmits communication data to the second base station 30 and realizes up, and the second base station 30 transmits communication data by network to blank TV band base station 20.
The tranmitting frequency of blank TV band base station 20 is between 512MHz and 698MHz, the bandwidth of 180MHz can be reached, compare wireless network WiFi more ripe at present, its transmission range is farther, network transfer speeds is faster, but the main following behavior master in white spaces TV base station 20, in order to ensure normal uplink data transmission, the interval that arranges of the up link of white spaces TV base station 20 needs to arrange by the transmission range of mobile terminal 10.Because the transmitting power of white spaces TV base station 20 is much larger than mobile terminal 10, finally causes the white spaces TV base station 20 of up link to arrange that density ratio is descending more, add base station construction cost.
In the present embodiment, second base station 30 preferably adopts cellular basestation, compare the signal cover of blank TV band base station 20, cellular base station signal coverage is wider, 10km can be reached, by the data of up link are directly transferred to cellular basestation, the transfer of data one-time-reach-place of 10km scope can be realized, compare and directly use blank TV band base station 20 to realize the transfer of data of up link, often transmit 10km, this wire laying mode only can realize the transmission range of multiple blank TV band base station 20 with 1 cellular basestation, do not need the transformation in the infrastructure changing original base station, eliminate the construction cost of the blank TV band base station 20 of large density.
In addition, in other embodiments, blank TV band base station 20 quantity can be multiple, and multiple blank TV band base station 20 is connected successively, to receive the request of data of neighbouring mobile terminal 10.Meanwhile, for ensureing to intercom mutually better between adjacent two blank TV band base stations 20, the second base station 30 can also be set between blank TV band base station 20.
The advantage of the present invention in conjunction with blank TV band base station 20 bandwidth and the advantage of cellular basestation wide coverage, the mobile terminal 10 of mobile status realizes descending by blank TV band base station 20 obtaining communication data nearest with it, descending by utilizing cellular basestation to be connected to real-time performance.Signal transmissions is carried out in the blank TV band base station 20 of descending employing, overcomes the defect of the narrow bandwidth of cellular network, improves network transfer speeds; Up employing cellular basestation carries out Signal transmissions, then gives blank TV band base station 20 by network delivery, and the coverage of network is wider.
Embodiment 2
As different from Example 1, the present embodiment adopts WiMAX (Worldwide Interoperabilityfor Microwave Access, i.e. worldwide interoperability for microwave access) base station or other wireless base station be if WiFi base station, 3G (wireless wide area network) base station etc. are as the second base station 30, this communication network architecture makes the uplink link of mobile terminal 10 and downlink transfer link adopt two kinds of different path implement transfer of data respectively, and transfer of data is more efficient.
Be understandable that, in other embodiments, the combined type network configuration that the transfer of data of down link can also adopt the multiple base stations such as WiMAX base station, NodeB and WiFi base station to be combined is connected to the network.The communication network of unsymmetric structure of the present invention overcomes the low defect of existing network bandwidth for transmission speed, can meet the demand of carrier to network of fast moving well.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection range of the application.

Claims (10)

1. an asymmetric communication network, it is characterized in that, comprise blank TV band base station (20) and second base station (30) different from described blank TV band base station (20), described blank TV band base station (20) is transmitted communication data and is realized descending to mobile terminal (10), described mobile terminal (10) directly transmits communication data to described second base station (30) and realizes up, and described second base station (30) transmits communication data by network to described blank TV band base station (20).
2. asymmetric communication network according to claim 1, is characterized in that, described second base station (30) is cellular basestation.
3. asymmetric communication network according to claim 1, is characterized in that, described second base station (30) is WiMAX base station.
4., according to the arbitrary described asymmetric communication network of claim 1-3, it is characterized in that, the tranmitting frequency of described blank TV band base station (20) is between 512MHz and 698MHz.
5. asymmetric communication network according to claim 4, is characterized in that, multiple described blank TV band base station (20) is connected successively, receives the request of data of described mobile terminal (10).
6. the communication means of an asymmetric communication network, it is characterized in that, described blank TV band base station (20) is transmitted communication data and is realized descending to mobile terminal (10), mobile terminal (10) directly transmits communication data to second base station (30) different from described blank TV band base station (20), and described second base station (30) is transmitted communication data by network to described blank TV band base station (20) and realized up.
7. the communication means of asymmetric communication network according to claim 6, is characterized in that, described second base station (30) is cellular basestation.
8. the communication means of asymmetric communication network according to claim 7, is characterized in that, described second base station (30) is WiMAX base station.
9., according to the communication means of the arbitrary described asymmetric communication network of claim 6-8, it is characterized in that, the tranmitting frequency of described blank TV band base station (20) is between 512MHz and 698MHz.
10. the communication means of asymmetric communication network according to claim 9, is characterized in that, multiple described blank TV band base station (20) is connected successively, receives the request of data of described mobile terminal (10).
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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