CN101848561B - Signal transmission method and wireless communication system - Google Patents
Signal transmission method and wireless communication system Download PDFInfo
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- CN101848561B CN101848561B CN 200910080684 CN200910080684A CN101848561B CN 101848561 B CN101848561 B CN 101848561B CN 200910080684 CN200910080684 CN 200910080684 CN 200910080684 A CN200910080684 A CN 200910080684A CN 101848561 B CN101848561 B CN 101848561B
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Abstract
The invention discloses a signal transmission method, which comprises the following steps that: signals transmitted by a base station controller to a base station are transmitted to a satellite terminal station arranged in air and connected with the base station in a wiring way through a satellite transmission link; and the satellite terminal station restores the signals according to the received satellite signals and transmits the signals to a base station arranged in air. The invention additionally discloses a signal transmission method, which comprises the following steps that: the base station arranged in air transmits the signals transmitted to the base station controller to the satellite terminal station arranged in air and connected with the base station in a wiring way; and the satellite terminal station transmits the received signals to the base station controller arranged on the ground through the satellite transmission link. The invention additionally discloses a wireless communication system. By adopting the invention, the communication is ensured not to be interrupted under the situation that the ground base station cannot work normally.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to method for transmitting signals and corresponding wireless communication system between base station and the base station controller.
Background technology
Base station (Base Transceiver Station, BTS) is erected at machine room at present, via antenna-feedback system the base station is linked to each other with pylon antenna, realizes the emission of base station radio signal.ABIS (interface between BTS and the BSC) link of base station and base station controller (BaseStation Controller, BSC) then is by wire transmission, satellite transmission or microwave mode, realizes the transmission of signaling, voice or data service.
Many reasons all can cause between BTS base station and BSC can't signal transmission, breaks down such as transmission channel, for example interruption of optical cables; Base station antenna feeder system lost efficacy, for example collapse of iron tower; The base station faults itself, for example power interruptions, customer volume explode etc.And normally communication in disaster has great impact to rescue and relief work.When the major natural disasters such as generation earthquake, flood, hurricane, tsunami, surface large area mobile communication base station, ground is ruined or power delivery is interrupted, and in this kind situation, how to guarantee that communication is not interrupted, and does not also propose concrete solution in the prior art.
Summary of the invention
The method for transmitting signals that the embodiment of the invention provides and wireless communication system can in the situation that ground base station can't work, guarantee that communication is not interrupted.
One of method for transmitting signals provided by the invention can be realized sending the signal that base station controller sends to base station in the situation that ground base station can't work, and the method comprises:
Base station controller is sent to the signal of base station, via satellite transmission link be sent to be arranged at aerial and with the satellite end station of described base station wired connection;
Restore described signal by described satellite end station according to the satellite-signal that receives, and be sent to and be arranged at aerial base station.
Two of method for transmitting signals provided by the invention can be realized sending the signal that the base station sends to base station controller in the situation that ground base station can't work, and the method comprises:
Be arranged at the signal that aerial base station will send to base station controller, be sent to be arranged at aerial and with the satellite end station of described base station wired connection;
By the described signal that described satellite end station will receive, transmission link is sent to the base station controller that is arranged at ground via satellite.
The embodiment of the invention also provides a kind of wireless communication system, comprises base station controller and base station, and described base station is arranged in the air; Also comprise: be arranged at aerial satellite end station, described base station and described satellite end station wired connection;
Described satellite end station is used for receiving the signal that described base station sends to described base station controller, and is converted to satellite-signal, and successively via satellite transmission link be sent to described base station controller; And
Also be used for to receive transmit by described satellite transmission link, send to the signal of described base station by described base station controller, and be sent to described base station.
In the embodiment of the invention, base station, satellite end station are arranged in the air, base station and satellite end station wired connection, it is mutual that transmission link and base station controller carry out signal via satellite.Because base station and ground do not exist wired connection and wire transmission mode, can not be subject to the impact of ground natural calamity, be specially adapted to the signal transmission under the emergency communication environment; Compare with existing fixed base stations, in the situation of can damage in the base station, network interrupting, as run into major natural disasters, the situation that the surface large area mobile communication base station is ruined or power delivery is interrupted, by setting up as early as possible interim mobile communications network, ensure the normal operation of communication network.
Description of drawings
Fig. 1 is the flow chart that base station controller sends a signal to the implementation method of base station in the embodiment of the invention;
Fig. 2 is that signal is uploaded to the flow chart of the implementation method of base station controller in the base station in the embodiment of the invention;
Fig. 3, Fig. 4 are the structural representation of wireless communication system in the embodiment of the invention;
Fig. 5 is the network architecture diagram of wireless communication system in the embodiment of the invention.
Embodiment
Below in conjunction with Figure of description the embodiment of the invention is elaborated.
One of method for transmitting signals that the embodiment of the invention provides, for base station controller sends a signal to the implementation method of base station, concrete handling process comprises as shown in Figure 1:
Consider when in the prior art natural calamity occuring to cause ground base station to break down, send a signal in the implementation method of base station at the base station controller that the embodiment of the invention provides, can be gone up to the air in the base station, avoid natural calamity to damage the base station.
Flow process as shown in Figure 1, step 101 is when implementing, and base station controller will send to the signal of base station, and transmission link is sent to and is arranged at aerial satellite end station via satellite, specifically comprise: base station controller will send to the signal of base station, be sent to the satellite main website in the satellite transmission link; By the satellite main website signal that the base station controller that receives sends to the base station is converted to satellite-signal, via satellite the satellite transmission in the transmission link to be arranged in the air and with the satellite end station of base station wired connection.
When implementing, satellite end station is arranged in the air, may affect to satellite end station at the aerial wind direction of height, satellite end station is equal accurately position location satellite at any one time, therefore, the automatic orientation satellite antenna can aloft be set, utilize at any one time equal accurate position location satellite of automatic orientation satellite antenna.
During enforcement, if the automatic orientation satellite antenna aloft is set, by the satellite main website signal that the base station controller that receives sends to the base station is converted to satellite-signal, via satellite the satellite transmission in the transmission link to be arranged at aerial and with the satellite end station of base station wired connection, specifically comprise: by the satellite main website signal that the base station controller that receives sends to the base station is converted to satellite-signal, via satellite the satellite transmission in the transmission link to be arranged in the air and with the automatic orientation satellite antenna of described satellite end station wired connection; By the automatic orientation satellite antenna with satellite-signal be sent to be arranged at aerial and with the satellite end station of described base station wired connection.
Wherein, base station, satellite end station and the lift-off of automatic orientation satellite antenna can have various ways to realize, as utilizing aircraft to carry lift-off, also can utilize fire balloon to carry lift-off, can also utilize other equipment that can go up to the air that lift-off is carried in base station and wireless transmission terminal, wherein, a kind of more excellent execution mode is to utilize aerostatics to carry base station, satellite end station and the lift-off of automatic orientation satellite antenna.
Aerostatics refers to that generally proportion is lighter than aircraft air, that rely on the atmospheric buoyancy force lift-off.Can transport flexibly by vehicle-mounted mode owing to aerostatics in the enforcement, and self-contained dynamic power device, can be active equipment or the device power supplies such as base station, satellite end station and automatic orientation satellite antenna on the aerostatics for a long time, so just can be implemented in without externally fed, without steel tower, without recovering rapidly local mobile communication under the environment of wire transmission, and the lift-off highly be higher than common steel tower height, coverage is more extensive.
Because after base station, satellite end station and the lift-off of automatic orientation satellite antenna, there is not physical connection with ground, the free aerostatics mode that aerostatics can take ground control, aerial orientation to circle in the air, dirigible mode for example, can hurry to rapidly and specify the emergency communication region, realize that base station controller sends to the transmission of the signal of base station.During enforcement, the base station can be connected to antenna for base station (for example high-gain aerial) by coaxial cable and power splitter (coupler) etc.When the aerostatics relative altitude was 1000 meters, the signal covering radius can reach 50km.
Based on same inventive concept, the embodiment of the invention also provides two of method for transmitting signals, uploads signal to the implementation method of base station controller for the base station, and idiographic flow comprises as shown in Figure 2:
Step 201, be arranged at the signal that aerial base station will send to base station controller, be sent to be arranged at aerial and with the satellite end station of described base station wired connection;
Step 202, by satellite end station the base station that receives will be sent to the signal of base station controller, transmission link is sent to the base station controller that is arranged at ground via satellite.
Flow process as shown in Figure 2, step 201 is when implementing, the base station that receives will be sent to the signal of base station controller by satellite end station, transmission link is sent to the base station controller that is arranged at ground via satellite, specifically comprise: by satellite end station the signal that the base station that receives will send to base station controller is converted to satellite-signal, via satellite the satellite transmission in the transmission link to be arranged at ground and with the satellite main website of described base station controller wired connection; Restore the signal that the base station will send to base station controller by the satellite main website according to the satellite-signal that receives, be sent to the base station controller that is arranged at ground.
In embodiments of the present invention, signals transmission between base station and the base station controller is two-way, base station controller transmits signal to the base station, signal is also uploaded to base station controller in the base station, therefore, the method is identical with the realization environment that base station controller sends a signal to the implementation method of base station, and relevant parameter is also identical.
The embodiment of the invention provides a kind of more excellent base station to upload signal to the implementation method of base station controller: the automatic orientation satellite antenna aloft is set.In this embodiment, by satellite end station the signal that the base station that receives will send to base station controller is converted to satellite-signal, via satellite the satellite transmission in the transmission link to be arranged at ground and with the satellite main website of described base station controller wired connection, specifically comprise: by satellite end station the signal that the base station that receives will send to base station controller is converted to satellite-signal, be sent to be arranged at aerial and with the automatic orientation satellite antenna of described satellite end station wired connection; By the automatic orientation satellite antenna with satellite-signal, via satellite the satellite transmission in the transmission link to be arranged at ground and with the satellite main website of described base station controller wired connection.
Certainly, identical to the embodiment of the implementation method of base station transmitted signal with base station controller, in this embodiment, lift-off is also carried by aerostatics in satellite end station, automatic orientation satellite antenna and base station.
Based on same inventive concept, the embodiment of the invention also provides a kind of wireless communication system, and concrete structure comprises base station controller 301 and base station 302 as shown in Figure 3, and base station 302 is arranged in the air; Can also comprise: be arranged at aerial satellite end station 303, base station 302 and satellite end station 303 wired connections;
Also be used for receiving that transmission link via satellite transmits, send to the signal of base station 302 by base station controller 301, and be sent to base station 302.
Among the embodiment, as shown in Figure 4, wireless communication system can also comprise: arrange with aerial and with the automatic orientation satellite antenna 401 of satellite end station 303 wired connections, the satellite that is used for the position location satellite transmission link, send to the signal of base station 302 from satellite reception by base station controller 301, and be sent to satellite end station 303; And
Also be used for to receive 303 that transmit, the satellite-signal after the signal that is sent to base station controller 301 by base station 302 changed of satellite end station, and be sent to satellite.
Among Fig. 3, Fig. 4 dotted line refer to equipment room via satellite transmission link to carry out signal mutual, be not to adopt the wired connection mode.
Among the embodiment, lift-off can be carried by aerostatics in satellite end station 303, automatic orientation satellite antenna 401 and base station 302.
The embodiment of the invention also provides the network architecture of wireless communication system in the practical application, and concrete framework as shown in Figure 5.
In the embodiment of the invention, base station, satellite end station are arranged in the air, base station and satellite end station wired connection, transmission link is with to carry out signal mutual with base station controller via satellite.Because base station and ground do not exist wired connection and wire transmission mode, can not be subject to the impact of ground natural calamity, be specially adapted to the signal transmission under the emergency communication environment; Compare with existing fixed base stations, in the situation of can damage in the base station, network interrupting, as run into major natural disasters, the situation that the surface large area mobile communication base station is ruined or power delivery is interrupted, by setting up as early as possible interim mobile communications network, ensure the normal operation of communication network.
Satellite end station is utilized aerostatics lift-off, when the base station is uploaded signal to base station controller, need not be again signal transmission earthward, be arranged at aerial satellite end station and transmit signals to, can break away to large extent the restriction on ground; Because of base station and ground distance longer, if satellite end station is positioned at ground, the situation that base station signal is lost in a large number may appear in transmission course, the embodiment of the invention is connected ICBM SHF satellite terminal and together lift-off with the base station, the base station is shorter to the transmission path of satellite end station, can avoid occurring the situation that base station signal is lost in a large number.。
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (6)
1. a method for transmitting signals is characterized in that, comprising:
Base station controller is sent to the signal that is arranged at aerial base station, be sent to the satellite main website in the satellite transmission link;
The described signal that will be received by described satellite main website is converted to satellite-signal, via satellite the satellite transmission in the transmission link to be arranged at aerial and with the automatic orientation satellite antenna of satellite end station wired connection;
By described automatic orientation satellite antenna with described satellite-signal, be sent to be arranged at aerial and with the satellite end station of described base station wired connection;
Restore base station controller by described satellite end station according to the satellite-signal that receives and send to the signal that is arranged at aerial base station, and be sent to and be arranged at aerial base station.
2. the method for claim 1 is characterized in that, lift-off is carried by aerostatics in described satellite end station, described automatic orientation satellite antenna and described base station.
3. a method for transmitting signals is characterized in that, comprising:
Be arranged at the signal that aerial base station will send to base station controller, be sent to be arranged at aerial and with the satellite end station of described base station wired connection;
The described signal that will be received by described satellite end station is converted to satellite-signal, be sent to be arranged at aerial and with the automatic orientation satellite antenna of described satellite end station wired connection;
By described automatic orientation satellite antenna with described satellite-signal, via satellite the satellite transmission in the transmission link to be arranged at ground and with the satellite main website of described base station controller wired connection;
Restore described signal by described satellite main website according to the satellite-signal that receives, be sent to the base station controller that is arranged at ground.
4. method as claimed in claim 3 is characterized in that, lift-off is carried by aerostatics in described satellite end station, described automatic orientation satellite antenna and described base station.
5. a wireless communication system comprises base station controller and base station, it is characterized in that, described base station is arranged in the air; Described wireless communication system also comprises: be arranged at aerial satellite end station, described base station and described satellite end station wired connection;
Described satellite end station, be used for receiving the signal that described base station sends to described base station controller, and be converted to satellite-signal, and transmission link is sent to described base station controller via satellite, and also be used for to receive transmit by described satellite transmission link, send to the signal of described base station by described base station controller, and be sent to described base station;
Described wireless communication system also comprises: be arranged at aerial and with the automatic orientation satellite antenna of described satellite end station wired connection, and satellite main website;
The automatic orientation satellite antenna, be used for locating the satellite of described satellite transmission link, satellite-signal from the transmission of the described satellite of described satellite reception main website, and be sent to described satellite end station, it is converted that the described base station controller that this satellite-signal will be received by the described satellite main website in the described satellite transmission link sends to the signal of described base station, and be used for also receiving that described satellite end station transmits, satellite-signal after the signal that described base station is sent to described base station controller is changed, and be sent to described satellite, by this satellite with this satellite-signal be sent to be arranged at ground and with the described satellite main website of described base station controller wired connection, restore the signal that described base station sends to described base station controller by described satellite main website according to the satellite-signal that receives, be sent to the base station controller that is arranged at ground.
6. system as claimed in claim 5 is characterized in that, lift-off is carried by aerostatics in described satellite end station, described automatic orientation satellite antenna and described base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910080684 CN101848561B (en) | 2009-03-25 | 2009-03-25 | Signal transmission method and wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910080684 CN101848561B (en) | 2009-03-25 | 2009-03-25 | Signal transmission method and wireless communication system |
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| Publication Number | Publication Date |
|---|---|
| CN101848561A CN101848561A (en) | 2010-09-29 |
| CN101848561B true CN101848561B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910080684 Active CN101848561B (en) | 2009-03-25 | 2009-03-25 | Signal transmission method and wireless communication system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102355649B (en) * | 2011-08-17 | 2014-05-28 | 航天恒星科技有限公司 | Mobile communication base station in emergency communication and emergency communication method thereof |
| CN104796187B (en) * | 2014-01-16 | 2018-08-28 | 中国人民解放军总参谋部第六十一研究所 | Enhancing transmission method based on the quasi-static satellite base station of stratosphere |
| CN105334520A (en) * | 2015-11-02 | 2016-02-17 | 中国科学院光电研究院 | Difference enhancement method based on aerostat reference station |
| CN109885090B (en) * | 2019-03-20 | 2021-03-23 | 胡敏超 | Method and device for controlling automatic flight based on base station |
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