CN101163284A - Method of eliminating broadcast television signal blind spot through digital honeycomb base station - Google Patents
Method of eliminating broadcast television signal blind spot through digital honeycomb base station Download PDFInfo
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- CN101163284A CN101163284A CNA2006101171402A CN200610117140A CN101163284A CN 101163284 A CN101163284 A CN 101163284A CN A2006101171402 A CNA2006101171402 A CN A2006101171402A CN 200610117140 A CN200610117140 A CN 200610117140A CN 101163284 A CN101163284 A CN 101163284A
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- China
- Prior art keywords
- base station
- blind spot
- honeycomb base
- television signal
- digital honeycomb
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention provides a method of eliminating blind spots of radio and television signals through a digital cellular base. After the televised signals and system control signaling are emitted from a high-power base of a radio and television network, a low-power digital cellular base covering around the blind spot can receive and retransmit the radio signals. The low-power digital cellular base is located according to the plot layout of a telecommunication cellular network; the method that the low-power digital cellular base receives and retransmits the radio signals can be full-plot transmission, single-sector transmission and directional-beam transmission for effectively eliminating the blind spots of the radio and television network. The present invention uses relatively low cost to eliminate the blind spots in the large covering of radio and television network. The present invention can be applied to a wireless telecommunication system combining by the radio and television network with the telecommunication network, a derived system combined by three networks and so on.
Description
Technical field
The invention belongs to the wireless messages technical field, particularly a kind of method of eliminating broadcast television signal blind spot.
Background technology
In the legacy communications system, television network broadcast and communication network are the separate cordless communication networks of two covers.Cause rare frequency spectrum resource to can not get utilizing very fully thus, be difficult to introduce highly effective competition mechanism between broadcasting and TV system and the telecommunication system, can not obtain synchronous problems such as high speed development.
Along with the continuous development of communication industry, and relevant art is day by day ripe, and interpenetrating and merging of television network broadcast and communication network become the developing direction that industry is generally acknowledged.At the end of the nineties in last century, the telecommunication law of European and American countries just allows radio and TV industry and telecommunications industry to interpenetrate.European Union is in new " regulatory framework " of calendar year 2001 promulgation, and framework has been contained all communication networks, and " telecommunications service and network " speech is replaced by " information communication ", and the object of its control comprises various transmission meanss.States such as Germany, France, Spain have also launched respectively the regulation that can be engaged in the two-way video service about telecommunications company.Britain set about existing communication and broadcasting regulatory agency are recombinated since calendar year 2001, and similar European Union has put into effect telecommunications company can be engaged in regulations such as Video service.Korea S has begun the trial of integrated services, and the access chip of the access chip of DMB (DMB) and mobile communication is placed in the mobile phone, makes mobile phone to teleview simultaneously.But these also only are some preliminary useful trials, can in system television network broadcast and communication network be fused into an integral body.
Television network broadcast adopts the base station that covers usually on a large scale, with the high power transmission broadcast singal, to reduce the quantity of broadcast base station, reduces the cost of arranging net.A problem of bringing thus is, border district in coverage, because the influence that is subjected to shadow fading that obstacle causes, frequency selective fading that multipath causes, moves various unfavorable factors such as the Rayleigh fading that causes and Doppler frequency shift, can cause signal to be received normally at some local some blind spot that produce.
Existing television network broadcast can be by building the broadcasting relay station of some special uses in the blind spot area, by laying methods such as optical fiber broadcast singal is transferred to relay station, by relay station the broadcast singal that receives is aloft launched then again, eliminated blind spot.This method can produce the cost problem that dedicated broadcast relay base station, laying long-distance optical fiber etc. cause of building inevitably.
Summary of the invention
The objective of the invention is to, a kind of method of eliminating broadcast television signal blind spot by digital honeycomb base station is provided.Utilize network of cellular basestations, broadcast television signal is carried out relaying, under relatively low cost, eliminate the blind spot of television network broadcast in covering on a large scale.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
A kind of method of eliminating broadcast television signal blind spot by digital honeycomb base station, control signaling after the high-power base station of CHINA RFTCOM Co Ltd at broadcast television signal and system, near the small-power digital honeycomb base station it covers blind spot will receive broadcast singal and launch again.
Wherein, described small-power digital honeycomb base station carries out addressing according to the plot planning of telecommunications cellular network.
Wherein, the small-power digital honeycomb base station is launched the method that receives broadcast singal again can adopt modes such as the emission of full sub-district, single sector transmission, directional beam emission, to eliminate the blind spot of television network broadcast effectively.
The present invention has eliminated the blind spot of television network broadcast in covering on a large scale under relatively low cost.Can be applicable to the wireless communication system that television network broadcast and communication network merge, and the system of the integration of three networks of deriving thus etc.
Further specify the present invention below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is that near the small-power telecommunications cellular basestation the blind spot is transmitted the broadcast television signal schematic diagram;
Fig. 2 transmits the broadcast television signal schematic diagram by rights near the small-power telecommunications cellular basestation the blind spot.
Embodiment
As shown in Figure 1, a kind of method of eliminating broadcast television signal blind spot by digital honeycomb base station, control signaling after the high-power base station of CHINA RFTCOM Co Ltd at broadcast television signal and system, some small-power digital honeycomb base stations of communication network in its coverage, especially cover near the small-power digital honeycomb base station of blind spot, to receive broadcast singal immediately and in its sub-district, aloft forward by rights, do the blind spot that exists when broadcasting covers on a large scale with the base station of eliminating television network broadcast.
Wherein, the small-power digital honeycomb base station is launched the method that receives broadcast singal again can adopt modes such as the emission of full sub-district, single sector transmission, directional beam emission, to eliminate the blind spot of television network broadcast effectively.
After the small-power digital honeycomb base station forwarded broadcast television signal, aloft the signal that sends with broadcasting television base station was superimposed, had been equivalent to increase the multipath of signal.The expansion of total multidiameter delay should remain in the scope that broadcast television signal allows as much as possible.
In the embodiment shown in Figure 2, television network broadcast is laid prior to the telecommunications cellular network.Because the covering radius of broadcasting television base station is very big, the landform in the area of coverage respectively changes again, so in the edge zone of its coverage, have some signal blind spots 1.Adopt the present invention, can when laying television network broadcast,, near blind spot, lay a spot of small-power digital honeycomb base station earlier at broadcast television signal blind spot.These small-power digital honeycomb base stations can receive the signal from broadcasting television base station, and in a short period of time, broadcast television signal are implemented relaying in this cell range.For example, when comparatively concentrated the blind spot position in the sub-district, the small-power digital honeycomb base station can further be strengthened the signal of blind spot is covered with forms such as directional beams.
In the invention process, the described small-power digital honeycomb base station that serves as relay base station carries out addressing according to the plot planning of telecommunications cellular network, so that when telecommunications cellular network is in the future laid comprehensively, that part of relay base station of together setting up with television network broadcast directly can be incorporated the telecommunications cellular network.As shown in Figure 2, near the position of the small-power digital honeycomb base station blind spot all is the center of housing estate that is selected in cellular network planning.
Claims (5)
1. method of eliminating broadcast television signal blind spot by digital honeycomb base station, it is characterized in that: control signaling after the high-power base station of CHINA RFTCOM Co Ltd at broadcast television signal and system, near the small-power digital honeycomb base station it covers blind spot will receive broadcast singal and launch again.
2. the method by digital honeycomb base station elimination broadcast television signal blind spot according to claim 1, it is characterized in that: described small-power digital honeycomb base station carries out addressing according to the plot planning of telecommunications cellular network.
3. the method by digital honeycomb base station elimination broadcast television signal blind spot according to claim 1 and 2 is characterized in that: it is the emission of full sub-district that described small-power digital honeycomb base station is launched the method that receives broadcast singal again.
4. the method by digital honeycomb base station elimination broadcast television signal blind spot according to claim 1 and 2, it is characterized in that: it is single sector transmission that described small-power digital honeycomb base station is launched the method that receives broadcast singal again.
5. the method for eliminating broadcast television signal blind spot by digital honeycomb base station according to claim 1 and 2, it is characterized in that: when comparatively concentrated the blind spot position in the sub-district, it was the directional beam emission that described small-power digital honeycomb base station is launched the method that receives broadcast singal again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101171402A CN101163284A (en) | 2006-10-13 | 2006-10-13 | Method of eliminating broadcast television signal blind spot through digital honeycomb base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101171402A CN101163284A (en) | 2006-10-13 | 2006-10-13 | Method of eliminating broadcast television signal blind spot through digital honeycomb base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101163284A true CN101163284A (en) | 2008-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2006101171402A Pending CN101163284A (en) | 2006-10-13 | 2006-10-13 | Method of eliminating broadcast television signal blind spot through digital honeycomb base station |
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| CN (1) | CN101163284A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111316674A (en) * | 2017-09-08 | 2020-06-19 | Tdf公司 | Method for offloading control data in a mobile network |
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2006
- 2006-10-13 CN CNA2006101171402A patent/CN101163284A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111316674A (en) * | 2017-09-08 | 2020-06-19 | Tdf公司 | Method for offloading control data in a mobile network |
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Application publication date: 20080416 |