CN101494869A - Microwave zooming wireless shrouding system and method - Google Patents
Microwave zooming wireless shrouding system and method Download PDFInfo
- Publication number
- CN101494869A CN101494869A CNA2009100373877A CN200910037387A CN101494869A CN 101494869 A CN101494869 A CN 101494869A CN A2009100373877 A CNA2009100373877 A CN A2009100373877A CN 200910037387 A CN200910037387 A CN 200910037387A CN 101494869 A CN101494869 A CN 101494869A
- Authority
- CN
- China
- Prior art keywords
- microwave
- unit
- signal
- micro
- transmission unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a microwave remote wireless covering system and method. In which, the system comprises: a microwave accessing unit for receiving a radio-frequency signal from base station, converting into microwave signal, sending out through a microwave transmission unit, receiving the microwave signal from the microwave transmission unit, converting into radio-frequency signal and transmitting to the base station; a microwave transmission unit for performing microwave signal space transmission; and a microwave remote unit for receiving the microwave signal from microwave transmission unit, converting into radio-frequency signal, sending out to performing area covering, receiving radio-frequency signal from mobile station, converting into microwave signal and sending out through the microwave transmission unit; The microwave remote wireless covering system in the invention adopts microwave as transmission medium, can effectively reduce equipment cost, reduce engineering construction complexity, and greatly increase repeater networking flexibility and communication reliability; At the same time, the invention can effectively extend base station covering distance while guarantees that the normal work of the base station is not influenced.
Description
Technical field
The present invention relates to the mobile communication network optimization system, relate in particular to a kind of microwave zooming wireless shrouding system and method that adopts microwave as transmission medium.
Background technology
In mobile communication system, use the repeater as trunking, the upward signal of the downstream signal of base station or portable terminal is amplified the back transmit, realize extension to base station functions making the covering of mobile communication signal further perfect with the cost lower with respect to the base station.
The repeater generally is made up of base station end (near-end) duplexer, descending amplification module, up amplification module and mobile you (far-end) duplexer, wherein, form down link by near-end duplexer, descending amplification module, far-end duplexer, form up link by far-end duplexer, up amplification module, near-end duplexer.
For extending the practical function scope of repeater, often adopt the repeater far-drawing system to communicate covering.In the far-drawing system of repeater, physically the repeater can be separated into relay and capped end two parts, respectively near base station end and mobile you setting.Relay and capped end include essentially identical parts, mainly are that certain the node place in up link and down link is separated, and keep electrical connection.Like this, the relay can be more near the base station, and capped end can more help bringing into play the effect of repeater more near travelling carriage.
Electric connection between relay and the capped end can be accomplished in several ways, and comprises optical fiber, netting twine, coaxial line etc.But the flexibility of repeater networking has been limited in the repeater of these types in the face of some zone wire transmission resource in short supply the time, exist drawbacks such as equipment cost height, engineering construction complexity.
And, since adopt be the entity cable as transmission medium, so transmission link is very big to the reliability effect of repeater work, when wherein optical fiber, netting twine or coaxial line breaks down, just can cause the repeater complete machine to break down, thereby influence the normal covering of communication system.Therefore traditional employing entity cable requires application scenarios such as height, quick covering to be difficult to use as the transmission medium repeater at difficult wiring, communication reliability.
Summary of the invention
The objective of the invention is to overcome the deficiency and the drawback of above-mentioned existing mobile communication network optimization system, a kind of microwave zooming wireless shrouding system is provided, carry out the scheme that mobile communication covers with this, microwave zooming wireless shrouding system of the present invention adopts microwave as transmission medium, can effectively reduce equipment cost, reduce the engineering construction complexity, can also significantly improve flexibility, the communication reliability of repeater networking, simultaneously, do not influence under the operate as normal of base station in assurance, can effectively extend the coverage distance of base station.
Another object of the present invention is to provide a kind of micro-wave extension wireless coverage method that adopts microwave as transmission medium.
Purpose of the present invention is achieved through the following technical solutions: a kind of microwave zooming wireless shrouding system comprises:
Be used to receive radio frequency (RF) signal of base station and convert microwave signal to and send, and receive the microwave signal that transmits microwave transmission unit (WTU) and convert radio frequency (RF) signal to again to the inserting of microwave unit of base station transmits (WAU) through microwave transmission unit (WTU);
Be used to carry out the microwave transmission unit (WTU) of microwave signal space transmission;
Be used to receive the microwave signal that transmits microwave transmission unit (WTU) and convert radio frequency (RF) signal to and launch and carry out the zone and cover, and radio frequency (RF) signal that transmits of receiving mobile (mobile phone) and convert microwave signal to through micro-wave extension unit (WRU) that microwave transmission unit (WTU) sends.
Described microwave transmission unit (WTU) comprises the microwave transmission unit I that is connected with inserting of microwave unit (WAU), and the microwave transmission unit II that is connected with micro-wave extension unit (WRU).
Described inserting of microwave unit (WAU) comprises near-end intermediate frequency unit (IFU), near-end microwave modem module (M﹠amp; DU), near-end feed combiner unit (FE﹠amp; CU) and near-end power subsystem (PSU), wherein, near-end intermediate frequency unit (IFU) is by near-end microwave modem module (M﹠amp; DU) with near-end feed combiner unit (FE﹠amp; CU) be connected, near-end power subsystem (PSU) respectively with near-end intermediate frequency unit (IFU), near-end microwave modem module (M﹠amp; DU) and near-end feed combiner unit (FE﹠amp; CU) be electrically connected.
Described inserting of microwave unit (WAU) also comprises near-end control unit (MCU), this near-end control unit (MCU) respectively with near-end intermediate frequency unit (IFU), near-end microwave modem module (M﹠amp; DU), near-end feed combiner unit (FE﹠amp; CU), microwave transmission unit I and near-end power subsystem (PSU) be connected, and is used to realize that above-mentioned each functional unit that it is connected and microwave transmission unit I carry out this locality and supervise with long-range and supervise.
Described micro-wave extension unit (WRU) comprises far-end feed combiner unit (FE﹠amp; CU), remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU), remote radio unit (RRU) (RFU), far end supply unit (PSU) and cover antenna, wherein, far-end feed combiner unit (FE﹠amp; CU) successively by remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU), remote radio unit (RRU) (RFU) be connected with cover antenna, far end supply unit (PSU) respectively with far-end feed combiner unit (FE﹠amp; CU), remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU) and remote radio unit (RRU) (RFU) are electrically connected.
Described micro-wave extension unit (WRU) also comprises Remote Control Unit (MCU), this Remote Control Unit (MCU) respectively with far-end feed combiner unit (FE﹠amp; CU), remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU), remote radio unit (RRU) (RFU) and far end supply unit (PSU) be connected, and is used to realize that above-mentioned each functional unit that it is connected and microwave transmission unit II carry out this locality and supervise with long-range and supervise.
A kind of micro-wave extension wireless coverage method comprises downlink transmission process and ul transmissions process, wherein,
(1) downlink transmission process concrete steps are as follows:
A. inserting of microwave unit (WAU) receives the radiofrequency signal of base station and converts microwave signal to, carries out the space transmission by microwave transmission unit (WTU) then;
B. micro-wave extension unit (WRU) through microwave transmission unit (WTU) the described microwave signal of receiving step a and be converted to radiofrequency signal, then to this conversion to radiofrequency signal carry out carrying out the zone after the power amplification and cover;
(2) ul transmissions process concrete steps are as follows:
A. micro-wave extension unit (WRU) receives the radiofrequency signal that travelling carriage (mobile phone) sends in self overlay area, and the radiofrequency signal that is received is converted to microwave signal, carries out the space transmission by microwave transmission unit (WTU) then;
B. inserting of microwave unit (WAU) is transferred to the base station then through microwave transmission unit (WTU) the described microwave signal of receiving step A and be converted to radiofrequency signal.
Preferably, in the said method, the described inserting of microwave of step a unit (WAU) receives the radiofrequency signal of base station and converts microwave signal to, and its concrete operations are:
At first convert intermediate-freuqncy signal to after the radiofrequency signal of reception base station, inserting of microwave unit (WAU), again this intermediate-freuqncy signal is modulated to microwave signal.
In like manner, in the said method, the described inserting of microwave of step B unit (WAU) is through microwave transmission unit (WTU) the described microwave signal of receiving step A and be converted to radiofrequency signal, and its concrete operations are:
Inserting of microwave unit (WAU) at first is demodulated to intermediate-freuqncy signal after the described microwave signal of microwave transmission unit (WTU) receiving step A, again this intermediate-freuqncy signal is converted to radiofrequency signal.
Preferably, in the said method, the described micro-wave extension of step b unit (WRU) is through microwave transmission unit (WTU) the described microwave signal of receiving step a and be converted to radiofrequency signal, and its concrete operations are:
Micro-wave extension unit (WRU) at first is demodulated to intermediate-freuqncy signal after the described microwave signal of microwave transmission unit (WTU) receiving step a, again this intermediate-freuqncy signal is converted to radiofrequency signal.
In like manner, in the said method, the described micro-wave extension of steps A unit (WRU) receives the radiofrequency signal that travelling carriage (mobile phone) sends in self overlay area, and the radiofrequency signal that is received is converted to microwave signal, and its concrete operations are:
Micro-wave extension unit (WRU) at first is converted to intermediate-freuqncy signal after receiving the radiofrequency signal that travelling carriage (mobile phone) sends in self overlay area, again this intermediate-freuqncy signal is modulated into microwave signal.
Preferably, the microwave frequency of described microwave transmission unitary space Transmission Microwave signal is 7GHz, 8GHz, 11GHz, 13GHz, 15GHz, 18GHz or 23GHz.
The present invention has following advantage and effect with respect to prior art:
1, the present invention adopts the microwave transmission unit to carry out microwave transmission, realize the radio communication of inserting of microwave unit and micro-wave extension unit, can carry out networking neatly, not be subjected to area, environmental limit, can effectively reduce equipment cost, reduce the engineering construction complexity, significantly improved communication reliability, can promote the use of better, simultaneously, do not influence under the operate as normal of base station in assurance, can effectively extend the coverage distance of base station.
2, the present invention has superior covering power, and coverage speed is fast, and time delay will be controlled in the 5us, can reach gratifying coverage effect.
3, the microwave transmission unit among the present invention can be selected the microwave signal of transmission different frequency, compatible various mobile communications network according to the actual environment needs.
4, transmission means of the present invention transmission signals stably, the influence of being disturbed is much smaller with respect to other wireless devices, can not be subjected to the restriction of entity transmission media such as optical fiber, communication reliability height, and can build a station quickly and efficiently (seeing Table 1).
Table 1
5, microwave zooming wireless shrouding system of the present invention is compared to traditional optical cable transmission, has higher cost performance, investment repayment fast (seeing Table 2).
Table 2
Description of drawings
1, the structural representation of microwave zooming wireless shrouding system of the present invention;
2, the FB(flow block) of micro-wave extension wireless coverage method of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
A kind of microwave zooming wireless shrouding system of the present invention comprises:
Be used to receive radio frequency (RF) signal of base station and convert microwave signal to and send, and receive the microwave signal that transmits microwave transmission unit (WTU) and convert radio frequency (RF) signal to again to the inserting of microwave unit of base station transmits (WAU) through microwave transmission unit (WTU);
Be used to carry out the microwave transmission unit (WTU) of microwave signal space transmission;
Be used to receive the microwave signal that transmits microwave transmission unit (WTU) and convert radio frequency (RF) signal to and launch and carry out the zone and cover, and radio frequency (RF) signal that transmits of receiving mobile (mobile phone) and convert microwave signal to through micro-wave extension unit (WRU) that microwave transmission unit (WTU) sends.
Fig. 1 shows the concrete structure of the microwave zooming wireless shrouding system in the present embodiment.Described microwave transmission unit (WTU) comprises the microwave transmission unit I that is connected with inserting of microwave unit (WAU), and the microwave transmission unit II that is connected with micro-wave extension unit (WRU).
Described inserting of microwave unit (WAU) comprises near-end intermediate frequency unit (IFU), near-end microwave modem module (M﹠amp; DU), near-end feed combiner unit (FE﹠amp; CU) and near-end power subsystem (PSU), wherein, near-end intermediate frequency unit (IFU) is by near-end microwave modem module (M﹠amp; DU) with near-end feed combiner unit (FE﹠amp; CU) be connected, near-end power subsystem (PSU) respectively with near-end intermediate frequency unit (IFU), near-end microwave modem module (M﹠amp; DU) and near-end feed combiner unit (FE﹠amp; CU) be electrically connected.
Described inserting of microwave unit (WAU) also comprises near-end control unit (MCU), this near-end control unit (MCU) respectively with near-end intermediate frequency unit (IFU), near-end microwave modem module (M﹠amp; DU), near-end feed combiner unit (FE﹠amp; CU), microwave transmission unit I and near-end power subsystem (PSU) be connected, and is used to realize that above-mentioned each functional unit that it is connected and microwave transmission unit I carry out this locality and supervise with long-range and supervise.
Described micro-wave extension unit (WRU) comprises far-end feed combiner unit (FE﹠amp; CU), remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU), remote radio unit (RRU) (RFU), far end supply unit (PSU) and cover antenna, wherein, far-end feed combiner unit (FE﹠amp; CU) successively by remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU), remote radio unit (RRU) (RFU) be connected with cover antenna, far end supply unit (PSU) respectively with far-end feed combiner unit (FE﹠amp; CU), remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU) and remote radio unit (RRU) (RFU) are electrically connected.
Described micro-wave extension unit (WRU) also comprises Remote Control Unit (MCU), this Remote Control Unit (MCU) respectively with far-end feed combiner unit (FE﹠amp; CU), remote microwave modem module (M﹠amp; DU), far-end intermediate frequency unit (IFU), remote radio unit (RRU) (RFU) and far end supply unit (PSU) be connected, and is used to realize that above-mentioned each functional unit that it is connected and microwave transmission unit II carry out this locality and supervise with long-range and supervise.
A kind of micro-wave extension wireless coverage method as shown in Figure 2, comprises downlink transmission process and ul transmissions process, wherein,
(1) downlink transmission process concrete steps are as follows:
A. inserting of microwave unit (WAU) receives the radiofrequency signal of base station and converts microwave signal to, carries out the space transmission by microwave transmission unit (WTU) then;
B. micro-wave extension unit (WRU) through microwave transmission unit (WTU) the described microwave signal of receiving step a and be converted to radiofrequency signal, then to this conversion to radiofrequency signal carry out carrying out the zone after the power amplification and cover;
(2) ul transmissions process concrete steps are as follows:
A. micro-wave extension unit (WRU) receives the radiofrequency signal that travelling carriage (mobile phone) sends in self overlay area, and the radiofrequency signal that is received is converted to microwave signal, carries out the space transmission by microwave transmission unit (WTU) then;
B. inserting of microwave unit (WAU) is transferred to the base station then through microwave transmission unit (WTU) the described microwave signal of receiving step A and be converted to radiofrequency signal.
Preferably, in the said method, the described inserting of microwave of step a unit (WAU) receives the radiofrequency signal of base station and converts microwave signal to, and its concrete operations are:
At first convert intermediate-freuqncy signal to after the radiofrequency signal of reception base station, inserting of microwave unit (WAU), again this intermediate-freuqncy signal is modulated to microwave signal.
In like manner, in the said method, the described inserting of microwave of step B unit (WAU) is through microwave transmission unit (WTU) the described microwave signal of receiving step A and be converted to radiofrequency signal, and its concrete operations are:
Inserting of microwave unit (WAU) at first is demodulated to intermediate-freuqncy signal after the described microwave signal of microwave transmission unit (WTU) receiving step A, again this intermediate-freuqncy signal is converted to radiofrequency signal.
Preferably, in the said method, the described micro-wave extension of step b unit (WRU) is through microwave transmission unit (WTU) the described microwave signal of receiving step a and be converted to radiofrequency signal, and its concrete operations are:
Micro-wave extension unit (WRU) at first is demodulated to intermediate-freuqncy signal after the described microwave signal of microwave transmission unit (WTU) receiving step a, again this intermediate-freuqncy signal is converted to radiofrequency signal.
In like manner, in the said method, the described micro-wave extension of steps A unit (WRU) receives the radiofrequency signal that travelling carriage (mobile phone) sends in self overlay area, and the radiofrequency signal that is received is converted to microwave signal, and its concrete operations are:
Micro-wave extension unit (WRU) at first is converted to intermediate-freuqncy signal after receiving the radiofrequency signal that travelling carriage (mobile phone) sends in self overlay area, again this intermediate-freuqncy signal is modulated into microwave signal.
Preferably, the microwave frequency of described microwave transmission unitary space Transmission Microwave signal is 7GHz, 8GHz, 11GHz, 13GHz, 15GHz, 18GHz or 23GHz.
The operation principle of present embodiment comprises that down link covers principle and ul transmissions principle, and preferred operation principle is specific as follows:
(1) down link covers principle--
Base station (BTS) RF signal inserts the inserting of microwave unit, through the near-end intermediate frequency unit RF conversion of signals is become intermediate-freuqncy signal, intermediate-freuqncy signal is modulated into microwave signal through near-end microwave modem module, near-end feed combiner unit closes the road with microwave signal and near-end control unit to the control signal p of microwave transmission unit I, and the power supply that receives the near-end power subsystem gives microwave transmission unit I power supply, and control signal p controlled microwave transmission unit I launches microwave signal; Microwave transmission unit II receives microwave signal and imports far-end feed combiner unit under the power supply of far-end feed combiner unit is supported, microwave signal is demodulated to intermediate-freuqncy signal through the remote microwave modem module, intermediate-freuqncy signal converts the RF signal to through the far-end intermediate frequency unit, and remote radio unit (RRU) carries out the zone covering with power amplification after cover antenna is launched;
(2) be that down link covers principle more than, just opposite for its transfer process of up link, the ul transmissions principle--
The RF signal that travelling carriage (mobile phone) in micro-wave extension cell footprint territory sends is transferred to cover antenna through the space, remote radio unit (RRU) carries out low noise with the RF signal and receives, the RF signal converts intermediate-freuqncy signal to through the far-end intermediate frequency unit, intermediate-freuqncy signal is modulated into microwave signal through the remote microwave modem module, far-end feed combiner unit closes the road with microwave signal and Remote Control Unit to the control signal q of microwave transmission unit II, and the power supply that receives the far end supply unit gives microwave transmission unit II power supply, and control signal q controlled microwave transmission unit II launches microwave signal; Microwave transmission unit I receives microwave signal and imports near-end feed combiner unit under the power supply of near-end feed combiner unit is supported, microwave signal is demodulated to intermediate-freuqncy signal through near-end microwave modem module, and intermediate-freuqncy signal converts the RF signal to and is transferred to base station (BTS) through the near-end intermediate frequency unit.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1, a kind of microwave zooming wireless shrouding system is characterized in that, comprising:
Be used to receive the radiofrequency signal of base station and convert microwave signal to and send, and receive the microwave transmission unit and pass the microwave signal of rice and convert radiofrequency signal to again to the inserting of microwave unit of base station transmits through the microwave transmission unit;
Be used to carry out the microwave transmission unit of microwave signal space transmission;
Be used to receive the microwave signal that transmits the microwave transmission unit and convert emission of radio frequency signals to and go out and carry out the zone and cover, and the radiofrequency signal that transmits of receiving mobile and convert the micro-wave extension unit that microwave signal sends through the microwave transmission unit to.
2, a kind of microwave zooming wireless shrouding system as claimed in claim 1 is characterized in that: described microwave transmission unit comprises the microwave transmission unit I that is connected with the inserting of microwave unit, and the microwave transmission unit II that is connected with the micro-wave extension unit.
3, a kind of microwave zooming wireless shrouding system as claimed in claim 1, it is characterized in that: described inserting of microwave unit comprises near-end intermediate frequency unit, near-end microwave modem module, near-end feed combiner unit and near-end power subsystem, wherein, the near-end intermediate frequency unit is connected with near-end feed combiner unit by near-end microwave modem module, and the near-end power subsystem is electrically connected with near-end intermediate frequency unit, near-end microwave modem module and near-end feed combiner unit respectively.
4, a kind of microwave zooming wireless shrouding system as claimed in claim 3, it is characterized in that: described inserting of microwave unit also comprises the near-end control unit, and this near-end control unit is connected with near-end intermediate frequency unit, near-end microwave modem module, near-end feed combiner unit and near-end power subsystem respectively.
5, a kind of microwave zooming wireless shrouding system as claimed in claim 1, it is characterized in that: described micro-wave extension unit comprises far-end feed combiner unit, the remote microwave modem module, the far-end intermediate frequency unit, remote radio unit (RRU), far end supply unit and cover antenna, wherein, far-end feed combiner unit is successively by the remote microwave modem module, the far-end intermediate frequency unit, remote radio unit (RRU) is connected with cover antenna, the far end supply unit respectively with far-end feed combiner unit, the remote microwave modem module, far-end intermediate frequency unit and remote radio unit (RRU) are electrically connected.
6, a kind of microwave zooming wireless shrouding system as claimed in claim 5, it is characterized in that: described micro-wave extension unit also comprises Remote Control Unit, and this Remote Control Unit is connected with far-end feed combiner unit, remote microwave modem module, far-end intermediate frequency unit, remote radio unit (RRU) and far end supply unit respectively.
7, a kind of micro-wave extension wireless coverage method is characterized in that: comprise downlink transmission process and ul transmissions process, wherein,
(1) downlink transmission process concrete steps are as follows:
A. the inserting of microwave unit receives the radiofrequency signal of base station and converts microwave signal to, carries out the space transmission by the microwave transmission unit then;
B. the micro-wave extension unit is through the described microwave signal of microwave transmission unit receiving step a and be converted to radiofrequency signal, then to this conversion to radiofrequency signal carry out carrying out the zone after the power amplification and cover;
(2) ul transmissions process concrete steps are as follows:
A. the micro-wave extension unit receives the radiofrequency signal that travelling carriage sends in self overlay area, and the radiofrequency signal that is received is converted to microwave signal, carries out the space by the microwave transmission unit then and transmits;
B. the inserting of microwave unit is transferred to the base station then through the described microwave signal of microwave transmission unit receiving step A and be converted to radiofrequency signal.
8, a kind of micro-wave extension wireless coverage method as claimed in claim 7 is characterized in that:
The described inserting of microwave of step a unit receives the radiofrequency signal of base station and converts microwave signal to, and its concrete operations are: at first convert intermediate-freuqncy signal to after the radiofrequency signal of reception base station, inserting of microwave unit, again this intermediate-freuqncy signal is modulated to microwave signal;
The described inserting of microwave of step B unit is through the described microwave signal of microwave transmission unit receiving step A and be converted to radiofrequency signal, its concrete operations are: the inserting of microwave unit at first is demodulated to intermediate-freuqncy signal after the described microwave signal of microwave transmission unit receiving step A, again this intermediate-freuqncy signal is converted to radiofrequency signal.
9, a kind of micro-wave extension wireless coverage method as claimed in claim 7 is characterized in that:
The described micro-wave extension of step b unit is through the described microwave signal of microwave transmission unit receiving step a and be converted to radiofrequency signal, its concrete operations are: the micro-wave extension unit at first is demodulated to intermediate-freuqncy signal after the described microwave signal of microwave transmission unit receiving step a, again this intermediate-freuqncy signal is converted to radiofrequency signal.
The radiofrequency signal that travelling carriage sends in the described micro-wave extension of steps A unit reception self overlay area, and the radiofrequency signal that is received is converted to microwave signal, its concrete operations are: after the radiofrequency signal that travelling carriage sends in micro-wave extension unit reception self overlay area, at first be converted to intermediate-freuqncy signal, again this intermediate-freuqncy signal be modulated into microwave signal.
10, a kind of micro-wave extension wireless coverage method as claimed in claim 7 is characterized in that:
The microwave frequency of described microwave transmission unitary space Transmission Microwave signal is 7GHz, 8GHz, 11GHz, 13GHz, 15GHz, 18GHz or 23GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100373877A CN101494869A (en) | 2009-02-25 | 2009-02-25 | Microwave zooming wireless shrouding system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100373877A CN101494869A (en) | 2009-02-25 | 2009-02-25 | Microwave zooming wireless shrouding system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101494869A true CN101494869A (en) | 2009-07-29 |
Family
ID=40925213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100373877A Pending CN101494869A (en) | 2009-02-25 | 2009-02-25 | Microwave zooming wireless shrouding system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101494869A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118191A (en) * | 2010-01-06 | 2011-07-06 | 华为技术有限公司 | Method, equipment and system for transmitting common public radio interface data |
| CN102238564A (en) * | 2011-07-04 | 2011-11-09 | 京信通信***（中国）有限公司 | Digital microwave remote coverage system and method |
| CN104301022A (en) * | 2014-10-28 | 2015-01-21 | 成都锐新科技有限公司 | Microwave communication device based on UHF frequency bands |
| US9706510B2 (en) | 2010-05-31 | 2017-07-11 | Huawei Technologies Co., Ltd. | Base station and method for clock synchronization of base station |
-
2009
- 2009-02-25 CN CNA2009100373877A patent/CN101494869A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118191A (en) * | 2010-01-06 | 2011-07-06 | 华为技术有限公司 | Method, equipment and system for transmitting common public radio interface data |
| CN102118191B (en) * | 2010-01-06 | 2014-01-08 | 华为技术有限公司 | Method, equipment and system for transmitting common public radio interface data |
| US9706510B2 (en) | 2010-05-31 | 2017-07-11 | Huawei Technologies Co., Ltd. | Base station and method for clock synchronization of base station |
| CN102238564A (en) * | 2011-07-04 | 2011-11-09 | 京信通信***（中国）有限公司 | Digital microwave remote coverage system and method |
| CN104301022A (en) * | 2014-10-28 | 2015-01-21 | 成都锐新科技有限公司 | Microwave communication device based on UHF frequency bands |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1719756B (en) | Method for implementing mobile communication digital optical fibre repeater system | |
| CN101426210B (en) | TD-SCDMA intermediate frequency indoor distributing system | |
| CN106712851A (en) | Distributed wireless signal coverage system | |
| CN103973396A (en) | Method and device for transmitting wireless base band data and radio frequency zooming-out module RRU | |
| CN103023534B (en) | Electrical wireless communication system | |
| CN103747447B (en) | Radio modem and power TD-LTE private network common antenna system and implementation method thereof | |
| CN202998095U (en) | Digital multi-transmission-mode repeater system | |
| CN204244477U (en) | A kind of in-door covering strengthens system and equipment | |
| CN101494493B (en) | Digital direct discharging station using digital microwave transmission | |
| CN101902318A (en) | Bidirectional analog optical fiber transmission system with mixed WiFi and 3G signals | |
| CN105553528B (en) | Multi-network integration access system based on LTE | |
| CN101494869A (en) | Microwave zooming wireless shrouding system and method | |
| CN203608366U (en) | LTE indoor covering system | |
| CN102158281A (en) | High-speed omni-directional wireless laser communication equipment | |
| CN104601211A (en) | Transmission device and method for energy efficiency multi-mode hybrid beam formation in wireless communication system | |
| CN102307064A (en) | Frequency-shift-based multi-system analogue fiber broadband access system and transmission method thereof | |
| CN201528431U (en) | CDMA digital optical fiber repeater system based on far-end integral module | |
| CN105246092A (en) | Indoor coverage signal enhancing device and signal processing method thereof | |
| CN201388299Y (en) | Microwave zoom-out wireless covering system | |
| CN203632671U (en) | Multi-hop microwave remote wireless cover system | |
| CN201467473U (en) | M frequency band 1 to N optical fiber repeater system | |
| CN202662751U (en) | DCS duplex filter module | |
| CN201690606U (en) | Multi-split microwave remote system | |
| CN201226518Y (en) | Frequency shift companding relay station and relay device | |
| CN104954071B (en) | A kind of digital Optical fiber relay systems of LTE Advanced and its implementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090729 |