CN107800459A - For the radio frequency remote unit RRU and path combining method across frequency range carrier aggregation - Google Patents
For the radio frequency remote unit RRU and path combining method across frequency range carrier aggregation Download PDFInfo
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- CN107800459A CN107800459A CN201610786704.5A CN201610786704A CN107800459A CN 107800459 A CN107800459 A CN 107800459A CN 201610786704 A CN201610786704 A CN 201610786704A CN 107800459 A CN107800459 A CN 107800459A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The present invention proposes a kind of radio frequency remote unit RRU and path combining method being used for across frequency range carrier aggregation, is related to wireless communication field.Wherein, it is of the invention to be used to include across the RRU of frequency range carrier aggregation：Additional RRU connectivity ports, are connected with additional RRU output port or input/output port, wherein, additional RRU is operated in different frequency range with being used for across the RRU of frequency range carrier aggregation；Combining module, transceiver of the input side respectively with additional RRU connectivity ports and RRU are connected, and outlet side is connected with antenna connection terminal mouth；Antenna connection terminal mouth is the port that RRU is connected with antenna, to add RRU with being used for the RRU common antenna across frequency range carrier aggregation.Such RRU can be connected with additional RRU, internally realized the combining operation of the branch, upward signal of downstream signal, common antenna be can be achieved without external combiner, the feeder line without complexity connects, and reduces difficulty of construction, improves efficiency of construction.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of Remote Radio Unit being used for across frequency range carrier aggregation and conjunction
Path method.
Background technology
In the deployment of LTE network across frequency range, RRU (Radio Remote Unit, Remote Radio Unit) equipment need to be increased newly
And external combiner equipment, two RRU, after radiofrequency signal combining, day are connected to by feeder line by multiple external combiners
Line.
Such mode is related to the external combining of sophisticated signal and connected with feeder line, and Practical Project construction is complicated, such as one
2T4R 4G standard stations are, it is necessary to which 12 external combiners and 36 radio frequency wire jumpers, quantities is big, constructional difficulties.
The content of the invention
It is an object of the present invention to improve the efficiency across frequency band network deployment.
According to an aspect of the present invention, a kind of RRU being used for across frequency range carrier aggregation is proposed, including：Additional RRU connections
Port, it is connected with additional RRU output port or input/output port, wherein, RRU is added with being used for across frequency range carrier aggregation
RRU is operated in different frequency range；Combining module, transceiver of the input side respectively with additional RRU connectivity ports and RRU are connected, output
Side is connected with antenna connection terminal mouth；Antenna connection terminal mouth is the port that RRU is connected with antenna, to add RRU with being used for across frequency
The RRU common antenna of section carrier aggregation.
Further, combining module includes：First wave filter, it is connected with additional RRU connectivity ports, filtering frequency range is with adding
RRU working frequency range matches；Second wave filter, is connected with transceiver, and filtering frequency range is with being used for the RRU across frequency range carrier aggregation
Match.
Further, the first wave filter and the second wave filter are bidirectional filter.
Further, combining module includes：First wave filter, it is bidirectional filter, is connected with additional RRU connectivity ports,
Filtering frequency range and additional RRU working frequency range match；Second wave filter, to perform the directional filter of downstream filtering function,
It is connected with the input port of transceiver, filtering frequency range matches with being used for across the RRU of frequency range carrier aggregation；3rd wave filter, it is
The directional filter of up filter function is performed, is connected with the output port of transceiver, filtering frequency range is with being used for across frequency range carrier wave
The RRU of polymerization matches.
Further, combining module includes combiner, the input side of combiner respectively with additional RRU connectivity ports and RRU
Transceiver connection, outlet side is connected with antenna connection terminal mouth.
Further, combining module includes triplexer, the input side of triplexer respectively with additional RRU connectivity ports, transmitting-receiving
The output port of device is connected with the input port of transceiver, and outlet side is connected with antenna connection terminal mouth.
Further, in addition to control port, for the working frequency range for user configuration combining module.
Such RRU can be connected with additional RRU, internally realize branch, the combining behaviour of upward signal of downstream signal
Make, common antenna can be achieved without external combiner, the feeder line without complexity connects, and reduces difficulty of construction, improves
Efficiency of construction.
According to another aspect of the present invention, a kind of path combining method of the RRU for across frequency range carrier aggregation, bag are proposed
Include：The signal branch from antenna, shunting sign are being added into RRU work frequency respectively for the RRU across frequency range carrier aggregation
Section and the working frequency range for the RRU across frequency range carrier aggregation, additional RRU are operated in being used for across the RRU of frequency range carrier aggregation
Different frequency range；Shunting sign is sent respectively to additional RRU and transceiver for the RRU across frequency range carrier aggregation.
Further, the signal branch from antenna is included for the RRU across frequency range carrier aggregation：Pass through the first filtering
Signal of the device from antenna filters to obtain additional RRU shunting signs in additional RRU working frequency range；Come from by the second wave filter
The signal of antenna filters to obtain the RRU for across frequency range carrier aggregation in the working frequency range for the RRU across frequency range carrier aggregation
Shunting sign；Shunting sign is sent respectively into additional RRU and transceiver for the RRU across frequency range carrier aggregation includes：The
Additional RRU shunting signs are sent to additional RRU by one wave filter；Second wave filter will divide for the RRU across frequency range carrier aggregation
Road signal is sent to transceiver.
Further, the signal branch from antenna is included for the RRU across frequency range carrier aggregation：Will by triplexer
Signal from antenna filters to obtain additional RRU shunting signs in additional RRU working frequency range；Antenna will be come from by triplexer
Signal filter to obtain the RRU branches for across frequency range carrier aggregation in the working frequency range for the RRU across frequency range carrier aggregation
Signal；Shunting sign is sent respectively into additional RRU and transceiver for the RRU across frequency range carrier aggregation includes：Triplexer
Additional RRU shunting signs are sent to additional RRU；Triplexer will be sent to for the RRU shunting signs across frequency range carrier aggregation
Transceiver.
Further, in addition to：The signal from additional RRU is received for the RRU across frequency range carrier aggregation；Will be additional
RRU signal after the signal combining from transceiver with being sent to antenna.
Further, additional RRU signal and the signal from the transceiver for the RRU across frequency range carrier aggregation are closed
Antenna is sent to behind road to be included：The signal of the signal from additional RRU and the output port from transceiver is closed by triplexer
Antenna is sent to after ripple.
, can be by the signal from antenna in RRU INSHINs, and by additional RRU shunting signs by such method
Additional RRU is sent to, it is achieved thereby that additional RRU and for the RRU common antenna reception signals across frequency range carrier aggregation, without
External combiner, feeder line connection is simple, reduces difficulty of construction, improves efficiency of construction.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of one embodiment for the RRU across frequency range carrier aggregation of the present invention.
Fig. 2 is the schematic diagram of one embodiment of the combining module for the RRU across frequency range carrier aggregation of the present invention.
Fig. 3 is the schematic diagram of another embodiment of the combining module for the RRU across frequency range carrier aggregation of the present invention.
Fig. 4 is the signal of another embodiment of the combining module for the RRU across frequency range carrier aggregation of the present invention
Figure.
Fig. 5 is the schematic diagram of one embodiment of the connection for the RRU across frequency range carrier aggregation of the present invention.
Fig. 6 is the flow chart of one embodiment of the path combining method for the RRU across frequency range carrier aggregation of the present invention.
Fig. 7 is the flow chart of another embodiment of the path combining method for the RRU across frequency range carrier aggregation of the present invention.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
The schematic diagram of one embodiment for the RRU across frequency range carrier aggregation of the present invention is as shown in Figure 1.Wherein, it is attached
RRU connectivity ports 101 are added to be used to be connected with additional RRU output port or input/output port；The input side of combining module 102
The transceiver with additional RRU connectivity ports and RRU is connected respectively, and outlet side is connected with antenna connection terminal mouth；Antenna connection terminal mouth
103 be the port that RRU is connected with antenna.
Such RRU can be connected with additional RRU, internally realize branch, the combining behaviour of upward signal of downstream signal
Make, common antenna can be achieved without external combiner, the feeder line without complexity connects, and reduces difficulty of construction, improves
Efficiency of construction.Due to realizing branch, combining operation inside RRU, compared with feeder line connection in work progress, Insertion Loss is smaller,
Improve signal quality.
The schematic diagram of combining module one embodiment for the RRU across frequency range carrier aggregation of the present invention is as shown in Figure 2.
Combining module includes the first wave filter 201 and the second wave filter 202.Wherein, the first wave filter 201 and additional RRU connectivity ports
It is connected, filters frequency range and additional RRU working frequency range matches, the downstream signal from antenna can be filtered, obtains additional RRU
The signal of working frequency range；Second wave filter 202 be connected with for the RRU transceiver across frequency range carrier aggregation, filter frequency range and
For matching across the RRU of frequency range carrier aggregation, the downstream signal from antenna can be filtered, is obtained and transceiver working frequency range
The signal to match.In one embodiment, the first wave filter and the second wave filter are bidirectional filter, so as to improve
The quality of upward signal.
Such RRU can be carried using two bidirectional filters by the downstream signal branch from antenna, and to additional RRU
Simple in construction for the shunting sign of corresponding frequency band, cost is relatively low, and common antenna, nothing can be achieved without external combiner
Complicated feeder line connection is needed, difficulty of construction is reduced, improves efficiency of construction.
In one embodiment, combining module can be combiner, input side ports respectively with additional RRU connectivity ports and
Transceiver connects, and outlet side port is connected with antenna connection terminal mouth.Combiner can be built in RRU by such RRU, from
And reduce further and realize difficulty, be advantageous to apply.
The schematic diagram such as Fig. 3 institutes being used for across another embodiment of the RRU combining module of frequency range carrier aggregation of the present invention
Show.Combining module includes the first wave filter 301, the second wave filter 302 and the 3rd wave filter 303.Wherein, the first wave filter 301
For bidirectional filter, it is connected with additional RRU connectivity ports, filters frequency range and additional RRU working frequency range matches, can filter
The downstream signal for going out additional RRU working frequency range is supplied to additional RRU, also the signal from additional RRU can be carried out up
Filter transmission；Second wave filter 302 is directional filter, performs downstream filtering function, is connected with the input port of transceiver, is filtered
Wave frequency section matches with being used for across the RRU of frequency range carrier aggregation, can be by the downstream signal from antenna for being carried across frequency range
The RRU of ripple polymerization working frequency range is filtered, and provides signals to transceiver；3rd wave filter 303 is directional filter,
Up filter function is performed, is connected with the output port of transceiver, filtering frequency range is with being used for the RRU phases across frequency range carrier aggregation
Match somebody with somebody, can will be sent to antenna through antenna connection terminal mouth after the upward signal filtering from transceiver.
Such RRU can be realized internally while frequency polymerize, by for being received and dispatched across in the RRU of frequency range carrier aggregation
Device signal carries out up-downgoing separation, reduces the burden of transceiver, reduces the requirement to transceiver, reduce application cost,
It is more beneficial for expanded application.
The schematic diagram such as Fig. 4 institutes being used for across another embodiment of the RRU combining module of frequency range carrier aggregation of the present invention
Show.Wherein, the outlet side port 402 of triplexer 401 is connected with antenna connection terminal mouth；Side ports 403 are inputted respectively with adding
RRU connectivity ports, the output port of transceiver connect with the input port of transceiver, and three paths of triplexer are configured respectively
To realize the bidirectional filtering to match with additional RRU working frequency range, with being used for the work frequency across the RRU of frequency range carrier aggregation
The downstream filtering that section matches, and the up filtering with matching for the working frequency range of the RRU across frequency range carrier aggregation, point
The input and output of RRU signals, the signal input of transceiver and the output of transceiver signal Yong Yu not added.
Such RRU can be realized internally while frequency polymerize, by for being received and dispatched across in the RRU of frequency range carrier aggregation
Device signal carries out up-downgoing separation, reduces the burden of transceiver, reduces the requirement to transceiver, reduce application cost,
It is more beneficial for expanded application；Meanwhile above-mentioned function is realized using built-in triplexer, reduce equipment cost, it is easy to accomplish.
In one embodiment, control port can be set, can be for each work of the various combining modules of user configuration
Frequency range, so that the application for the RRU across frequency range carrier aggregation is more flexible, and help to manually adjust to improve signal
Quality, expanded application scene.
The schematic diagram of one embodiment of the line connecting method for the RRU across frequency range carrier aggregation of the present invention is as schemed
Shown in 5.By taking 2T2R RRU as an example.Antenna connection terminal mouth 501 is connected with antenna, the downstream transmission for signal.Additional RRU
Connectivity port 502 is connected with additional RRU port.Additional RRU can be 2T2R equipment.Uplink port 503 and transceiver
Output port connects, and can be sent to antenna through antenna connection terminal mouth after by the upward signal filtering from transceiver.It is descending
Port 504 is connected with the input port of transceiver, by the downstream signal from antenna for the RRU across frequency range carrier aggregation
Working frequency range be filtered after, provide signals to transceiver.
In such application scenarios, across the frequency range polymerization of double 2T2R equipment is realized, equipment cost is low, easy to spread to answer
With；It is succinct in appearance, without crossing multi-access point；Investment reduction, including external combiner and a large amount of feeder lines, the cost of wire jumper；Apply
Work is simple, greatly simplify engineering construction difficulty；Reduce the trouble point for needing to safeguard；The accurate of signal is realized inside RRU
Combining, reduce Insertion Loss.
Flow chart such as Fig. 6 institutes of one embodiment of the path combining method for the RRU across frequency range carrier aggregation of the present invention
Show.
In step 601, the signal branch from antenna, shunting sign are distinguished for the RRU across frequency range carrier aggregation
In additional RRU working frequency range and working frequency range for the RRU across frequency range carrier aggregation, additional RRU and it is used for across frequency range load
The RRU of ripple polymerization is operated in different frequency range.
In step 602, shunting sign is sent respectively to additional RRU and receipts for the RRU across frequency range carrier aggregation
Send out device.
, can be by the signal from antenna in RRU INSHINs by such method, and the letter for adding RRU will be inputted
Number additional RRU is sent to, it is achieved thereby that additional RRU and itself common antenna reception signal, without external combiner, feeder line connects
Connect simply, reduce difficulty of construction, improve efficiency of construction.
In one embodiment, the first wave filter of the working frequency range for being operated in additional RRU can be utilized to from antenna
Signal filtered, obtain additional RRU shunting signs；The work being operated in for the RRU across frequency range carrier aggregation can be utilized
The second wave filter for making frequency range filters to the signal from antenna, obtains for the RRU branches letter across frequency range carrier aggregation
Number.
By such method, two wave filters can be utilized by the downstream signal branch from antenna, it is simple in construction, into
This is relatively low, and common antenna can be achieved without external combiner, and the feeder line without complexity connects, and reduces difficulty of construction,
Improve efficiency of construction.
Flow chart such as Fig. 7 of another embodiment of the path combining method for the RRU across frequency range carrier aggregation of the present invention
It is shown.
In step 701, the signal from additional RRU is received for the RRU across frequency range carrier aggregation.
In a step 702, antenna will be sent to after additional RRU signal and the signal combining from transceiver.
By such method, can inside RRU by the signal from additional RRU and its own signal combining after be sent to day
Line, realizes additional RRU and itself common antenna sends signal, and without external combiner, feeder line connection is simple, reduces construction
Difficulty, improve efficiency of construction.
In one embodiment, above-mentioned combining function can be realized using combiner, hardly possible is realized so as to reduce further
Degree, is advantageous to practical application.
In one embodiment, up-downgoing combining function can be realized by triplexer.It is real with a port of triplexer
Existing input/output function, two other port are single input, output function.By triplexer by the signal from antenna for
Filter to obtain the RRU shunting signs for across frequency range carrier aggregation across the RRU of frequency range carrier aggregation working frequency range, be sent to
Transceiver；The signal of output port from transceiver is obtained by the input port of triplexer；Realized and inputted by triplexer
The port of output function filters the signal from antenna in additional RRU working frequency range to obtain additional RRU shunting signs, and obtains
Fetch the signal from additional RRU, triplexer is by the signal multiplex of the signal from additional RRU and the output port from transceiver
After be sent to antenna.
By such method, can be realized inside RRU while frequency polymerize, by for across frequency range carrier aggregation
Transceiver signal carries out up-downgoing separation in RRU, reduces the burden of transceiver, reduces the requirement to transceiver, reduce
Application cost, it is more beneficial for expanded application；Meanwhile above-mentioned function is realized using built-in triplexer, equipment cost is reduced, easily
In realization.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (12)
- A kind of 1. radio frequency remote unit RRU being used for across frequency range carrier aggregation, it is characterised in that including：Additional RRU connectivity ports, be connecteds with additional RRU output port or input/output port, wherein, the additional RRU and It is described to be used to be operated in different frequency range across the RRU of frequency range carrier aggregation；Combining module, transceiver of the input side respectively with the additional RRU connectivity ports and the RRU are connected, outlet side and day Line connectivity port connects；The antenna connection terminal mouth is the port that the RRU is connected with antenna, so as to the additional RRU and institute State for the RRU common antenna across frequency range carrier aggregation.
- 2. RRU according to claim 1, it is characterised in that the combining module includes：First wave filter, it is connected with the additional RRU connectivity ports, filters frequency range and the working frequency range phase of the additional RRU Match somebody with somebody；Second wave filter, it is connected with the transceiver, filtering frequency range is used to match across the RRU of frequency range carrier aggregation with described.
- 3. RRU according to claim 2, it is characterised in thatFirst wave filter and second wave filter are bidirectional filter.
- 4. RRU according to claim 1, it is characterised in that the combining module includes：First wave filter, it is bidirectional filter, is connected with the additional RRU connectivity ports, filtering frequency range is with the additional RRU's Working frequency range matches；Second wave filter, to perform the directional filter of downstream filtering function, it is connected, filters with the input port of the transceiver Frequency range is used to match across the RRU of frequency range carrier aggregation with described；3rd wave filter, to perform the directional filter of up filter function, it is connected, filters with the output port of the transceiver Frequency range is used to match across the RRU of frequency range carrier aggregation with described.
- 5. RRU according to claim 1, it is characterised in that the combining module includes combiner, the combiner it is defeated Enter transceiver of the side respectively with the additional RRU connectivity ports and the RRU to be connected, outlet side connects with the antenna connection terminal mouth Connect.
- 6. RRU according to claim 1, it is characterised in that the combining module includes triplexer, the triplexer it is defeated Enter side to be connected with the additional RRU connectivity ports, the output port of the transceiver and the input port of the transceiver respectively, Outlet side is connected with the antenna connection terminal mouth.
- 7. RRU according to claim 1, it is characterised in that also including control port, for for combining described in user configuration The working frequency range of module.
- 8. a kind of be used for the path combining method across the radio frequency remote unit RRU of frequency range carrier aggregation, it is characterised in that including：Described to be used for the RRU across frequency range carrier aggregation by the signal branch from antenna, shunting sign is respectively in the additional RRU Working frequency range and it is described be used for across frequency range carrier aggregation RRU working frequency range, the additional RRU with it is described be used for across frequency range The RRU of carrier aggregation is operated in different frequency range；Shunting sign is sent respectively to the additional RRU and the RRU for across frequency range carrier aggregation transceiver.
- 9. according to the method for claim 8, it is characterised in thatIt is described to be used to include the signal branch from antenna across the RRU of frequency range carrier aggregation：The signal from antenna is filtered to obtain in the working frequency range of the additional RRU by the first wave filter and adds RRU branches Signal；The signal from antenna is used to filter across the RRU of frequency range carrier aggregation working frequency range described by the second wave filter Obtain for the RRU shunting signs across frequency range carrier aggregation；The transceiver that shunting sign is sent respectively to the additional RRU and the RRU for across frequency range carrier aggregation Including：The additional RRU shunting signs are sent to the additional RRU by first wave filter；Second wave filter is used to be sent to the transceiver across the RRU shunting signs of frequency range carrier aggregation by described.
- 10. according to the method for claim 8, it is characterised in thatIt is described to be used to include the signal branch from antenna across the RRU of frequency range carrier aggregation：The signal from antenna is filtered to obtain in the working frequency range of the additional RRU by triplexer and adds RRU shunting signs；The signal from antenna is used to filter to obtain across the RRU of frequency range carrier aggregation working frequency range described by triplexer For the RRU shunting signs across frequency range carrier aggregation；The transceiver that shunting sign is sent respectively to the additional RRU and the RRU for across frequency range carrier aggregation Including：The additional RRU shunting signs are sent to the additional RRU by the triplexer；The triplexer is used to be sent to the transceiver across the RRU shunting signs of frequency range carrier aggregation by described.
- 11. according to the method for claim 8, it is characterised in that also include：For receiving the signal from additional RRU across the RRU of frequency range carrier aggregation, the additional RRU is used for across frequency range with described The RRU of carrier aggregation is operated in different frequency range；Antenna will be sent to after the signal of the additional RRU and the signal combining from the transceiver.
- 12. according to the method for claim 11, it is characterised in thatThe signal by the additional RRU from described with being used to close across the signal of the RRU of frequency range carrier aggregation transceiver Antenna is sent to behind road to be included：By triplexer by the signal from the additional RRU with being sent out after the signal multiplex of the output port from the transceiver Toward antenna.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786704.5A CN107800459B (en) | 2016-08-31 | 2016-08-31 | Radio Remote Unit (RRU) for cross-frequency band carrier aggregation and combining method |
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| CN201610786704.5A CN107800459B (en) | 2016-08-31 | 2016-08-31 | Radio Remote Unit (RRU) for cross-frequency band carrier aggregation and combining method |
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| CN107800459B CN107800459B (en) | 2020-06-02 |
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Cited By (4)
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| CN107800460A (en) * | 2016-08-31 | 2018-03-13 | 中国电信股份有限公司 | For the radio frequency remote unit RRU and transmission method across frequency range carrier aggregation |
| WO2020133225A1 (en) * | 2018-12-28 | 2020-07-02 | 华为技术有限公司 | Signal processing apparatus and method and access network device |
| CN113542021A (en) * | 2021-07-05 | 2021-10-22 | 四川创智联恒科技有限公司 | Automatic configuration method for radio frequency combining connection RRU |
| RU2780493C1 (en) * | 2018-12-28 | 2022-09-26 | Хуавэй Текнолоджиз Ко., Лтд. | Signal processing apparatus and method and network access apparatus |
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| US11870474B2 (en) | 2018-12-28 | 2024-01-09 | Huawei Technologies Co., Ltd. | Signal processing apparatus and method, and access network device |
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