CN201910791U - Radio-frequency module - Google Patents
Radio-frequency module Download PDFInfo
- Publication number
- CN201910791U CN201910791U CN2011200241245U CN201120024124U CN201910791U CN 201910791 U CN201910791 U CN 201910791U CN 2011200241245 U CN2011200241245 U CN 2011200241245U CN 201120024124 U CN201120024124 U CN 201120024124U CN 201910791 U CN201910791 U CN 201910791U
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- CN
- China
- Prior art keywords
- module
- radio
- communication
- duplexer
- frequency
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- Expired - Lifetime
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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
Abstract
A radio-frequency module comprises a baseband interface and further comprises at least two communication modules connected with the baseband interface. The communication module is used for sending signals; and each communication module has different emitting bandwidth. As at least two communication modules with different sending bandwidths are arranged on a radio-frequency module, each communication module meets not only various emission stray requirements, but also the sending bandwidth and emission stray requirements at different stages of an operator without improving hardware of the radio-frequency module and both the operation and the maintenance cost are reduced.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of radio-frequency module.
Background technology
Operator's available frequencies may be obtained stage by stage.For example, in the stage one, the uplink and downlink frequency bandwidth that operator obtains is N; And the transmit scattering of downstream frequency low side requires to be A, and the high-end transmit scattering of downstream frequency requires to be B, and transmitting power requires to be P
NIn the stage two, the uplink and downlink frequency bandwidth that above-mentioned operator obtains is W, wherein W＞N; The transmit scattering of downstream frequency low side requires to be C, and the high-end transmit scattering of downstream frequency requires to be D, and transmitting power requires to be P
W, wherein, P
W＞P
N
The inventor finds that there are the following problems at least in the prior art in realizing process of the present utility model:
In the prior art, the radio-frequency module of base station includes only a transmission channel, the identical transmission channel of perhaps a plurality of bandwidth.The bandwidth of obtaining when operator needs to increase or remove transmitted bandwidth and the transmit scattering requirement that external filter satisfies different phase not simultaneously.Network operation and maintenance cost have been increased.
Summary of the invention
The utility model provides a kind of radio-frequency module, thereby reduces the operation and the maintenance cost of network.
The purpose of this utility model is achieved through the following technical solutions:
At least two communication modules that are connected with described baseband interface, described communication module is used to send signal;
The transmitted bandwidth difference of each communication module.
The technical scheme that is provided by above-mentioned the utility model as can be seen, in the utility model, owing in radio-frequency module, be provided with two communication modules that above transmitted bandwidth is different, each communication module also satisfies different transmit scattering requirements, the transmitted bandwidth that can satisfy operator's different phase requires and the transmit scattering requirement, need not again the hardware of radio-frequency module is improved, reduced the operation and the maintenance cost of network.
Description of drawings
In order to be illustrated more clearly in present embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a radio-frequency module structural representation in the prior art;
The radio-frequency module structural representation that Fig. 2 provides for present embodiment;
The specific implementation structure chart of the video module that Fig. 3 provides for present embodiment one;
The Frequency Distribution schematic diagram that Fig. 4 provides for present embodiment one;
The specific implementation structure chart of the video module that Fig. 5 provides for present embodiment two;
The Frequency Distribution schematic diagram that Fig. 6 provides for present embodiment two.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in the present embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on present embodiment, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
A kind of logic diagram of typical radio-frequency module as shown in Figure 1 in the prior art.Wherein, baseband interface 11 is used to realize the processing of interface protocol between baseband module and the radio-frequency module; Emission/receiving port 12, duplexer 13, receiving processing module 14 and emission processing module 15 constitute emission/receive path, be used for receiving or sending signal, and signal is handled; Receiving port 16, filter 17 and receiving processing module 18 constitute receive path, are used for received signal and processing.The reception bandwidth of filter 17 is W; The transmitted bandwidth of duplexer and reception bandwidth are W; The transmit scattering that the transmit scattering of emission/receiving port 12 satisfies the downstream frequency low side requires C and high-end transmit scattering to require D, and tranmitting frequency is P
W
If the bandwidth of using the operator of above-mentioned radio-frequency module to obtain in the early stage be N (N＜W), then need be on radio-frequency module external narrow band filter, the reception bandwidth of this narrow band filter is W, transmitted bandwidth is N.Satisfying transmitted bandwidth jointly by this arrow path filter and duplexer is N, and the transmit scattering of downstream frequency low side requires A and high-end transmit scattering to require B, and transmitting power P
N(P
N≤ P
W).When the bandwidth that is allowed when operator is W, remove above-mentioned narrow band filter again.
For fear of increasing external filter, reducing the construction costs, present embodiment provides a kind of radio-frequency module, its structure as described in Figure 2, the specific implementation structure comprises:
In the present embodiment, owing in radio-frequency module, be provided with two communication modules that above transmitted bandwidth is different, can satisfy the transmitted bandwidth requirement of operator's different phase, need not again the hardware of radio-frequency module is improved, reduce the operation and the maintenance cost of network.
Communication module in the present embodiment specifically can realize by duplexer and corresponding communication port, its specific implementation can but be not limited only to following two kinds:
(1) each communication module comprises a duplexer, with the communication port that is connected with this duplexer.
(2) duplexers constitute at least two communication modules with the communication port that is connected with this duplexer.Constitute first communication module and second communication module is an example with duplexer D and communication port d, first transmitted bandwidth and second transmitted bandwidth are set on duplexer D, first group transmit scattering and with the second transmitted bandwidth corresponding second group transmit scattering (transmit scattering that each group transmit scattering can respectively satisfy different downstream frequency low side require with high-end transmit scattering require) corresponding with first transmitted bandwidth are set on communication port d; Be operated in first transmitted bandwidth when triggering duplexer D, when communication port d satisfies first group of transmit scattering requirement, promptly constitute first communication module.Be operated in second transmitted bandwidth when triggering duplexer D, when communication port d satisfies second group of transmit scattering requirement, promptly constitute second communication module.
Accordingly, the radio-frequency module that above-mentioned present embodiment provides also comprises control module, and this control module is connected with each communication module, is used to select to be used to send the communication module of signal.
To be described in detail the specific implementation of present embodiment in actual application below.
Embodiment one
The specific implementation of the radio-frequency module that present embodiment one provides, its structure as shown in Figure 3, the specific implementation structure comprises:
Baseband interface is used to realize the processing of interface protocol between baseband module and the radio-frequency module.
First duplexer, first communication port, first receiving processing module and the first emission processing module constitute first communication module jointly.Wherein, the transmitted bandwidth of first duplexer and reception bandwidth are W, and the transmit scattering that the transmit scattering of first communication port satisfies the downstream frequency low side requires C and high-end transmit scattering to require D, and transmitting power is P
WSecond duplexer, second communication port, second receiving processing module and the second emission processing module constitute second communication module jointly.Wherein, the transmitted bandwidth of second duplexer is N, and the reception bandwidth is W, and the transmit scattering that the transmit scattering of second communication port satisfies the downstream frequency low side requires A and high-end transmit scattering to require B, and transmitting power is P
NWherein, W＞N, P
N≤ P
W
Operator's first of using radio-frequency module shown in Figure 3 is arranged.As shown in Figure 4, at the operation initial stage, the bandwidth that operator's first is obtained is N, and the transmit scattering that transmit scattering need satisfy the downstream frequency low side requires A and high-end transmit scattering to require B.Then operator's first can send signal at the second communication port by control module (not shown) control radio-frequency module, and first communication port does not send signal.But first communication port and second communication port be received signal all.
As shown in Figure 4, when operator's first had been obtained bigger bandwidth W, the transmit scattering that transmit scattering need satisfy the downstream frequency low side required C and high-end transmit scattering to require D.Then operator's first can switch to by first communication port by control module (not shown) control radio-frequency module and send signal, and the second communication port does not send signal, but the equal received signal of first communication port and second communication port.
By above-mentioned implementation, need not bandwidth and transmit scattering requirement that external filter can satisfy operator's different phase.
In another application scenarios, operator's first can also control first duplexer and second duplexer sends signal simultaneously, but need guarantee be the frequency of first duplexer configuration in the transmitted bandwidth scope of first duplexer, the frequency that is the configuration of second duplexer is in the transmitted bandwidth scope of second duplexer.
Embodiment two
The specific implementation of the radio-frequency module that present embodiment two provides, its structure as shown in Figure 5, the specific implementation structure comprises:
Baseband interface is used to realize the processing of interface protocol between baseband module and the radio-frequency module.
First duplexer, first communication port, first receiving processing module and the first emission processing module constitute first communication module jointly.Wherein, the transmitted bandwidth of first duplexer and reception bandwidth are W, and the transmit scattering that the transmit scattering of first communication port satisfies the downstream frequency low side requires C and high-end transmit scattering to require D, and transmitting power is P
WSecond duplexer, second communication port, second receiving processing module and the second emission processing module constitute second communication module and third communication module jointly.Be provided with two transmitted bandwidths and a diverter switch in above-mentioned second duplexer, this diverter switch is used for switching between two transmitted bandwidths.Wherein, a transmitted bandwidth of second duplexer is that N (corresponding second communication module), another transmitted bandwidth are M (corresponding third communication module), the reception bandwidth is W, the transmit scattering that the transmit scattering of second communication port satisfies the downstream frequency low side requires A and high-end transmit scattering to require B, and transmitting power is P
N(when the transmitted bandwidth of second duplexer is N), perhaps, the transmit scattering that the transmit scattering of second communication port satisfies the downstream frequency low side requires E and high-end transmit scattering to require F, and transmitting power is P
M(when the transmitted bandwidth of second duplexer is M).W 〉=M＞N, wherein, above-mentioned bandwidth M and W may be identical, corresponding transmit scattering E=transmit scattering C, transmit scattering F=transmit scattering D.Promptly constitute a kind of radio-frequency module of typical wide and narrow strip mode of operation.PW≥PM≥PN。
Operator's second of using radio-frequency module shown in Figure 5 is arranged.As shown in Figure 6, at the operation initial stage, the bandwidth that operator's second is obtained is N, and the transmit scattering that transmit scattering need satisfy the downstream frequency low side requires A and high-end transmit scattering to require B.Then can to switch to transmitted bandwidth by the diverter switch in second duplexer of control module (not shown) control radio-frequency module be N to operator's second, and send signal at the second communication port, and first communication port does not send signal.But first communication port and second communication port be received signal all.
As shown in Figure 6, when operator's second had been obtained bigger bandwidth M, the transmit scattering that transmit scattering need satisfy the downstream frequency low side required E and high-end transmit scattering to require F.Then can to switch to transmitted bandwidth by the diverter switch in second duplexer of control module (not shown) control radio-frequency module be M to operator's second, and by second communication port transmission signal, first communication port does not send signal, but the equal received signal of first communication port and second communication port.
As shown in Figure 6, when operator's second further obtained bandwidth W, the transmit scattering that transmit scattering need satisfy the downstream frequency low side required C and high-end transmit scattering to require D.Then operator's second can switch to by first communication port by control module (not shown) control radio-frequency module and send signal, and the second communication port does not send signal, but the equal received signal of first communication port and second communication port.
In another application scenarios, operator's second can also control first duplexer and second duplexer sends signal simultaneously, but need guarantee be the frequency of first duplexer configuration in the transmitted bandwidth scope of first duplexer, the frequency that is the configuration of second duplexer is in the transmitted bandwidth scope of second duplexer.
Present embodiment two, wide by being provided with/the two kinds of mode of operations in arrowband at second duplexer, and, make second duplexer support two patterns of sending out by the switching between the wide/arrowband of switch realization.And two patterns are the important needs in the 4G communication.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that present embodiment discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (4)
1. a radio-frequency module comprises baseband interface, it is characterized in that, described radio-frequency module also comprises:
At least two communication modules that are connected with described baseband interface, described communication module is used to send signal;
The transmitted bandwidth difference of each communication module.
2. radio-frequency module according to claim 1 is characterized in that,
Described communication module comprises a duplexer, with the communication port that is connected with described duplexer.
3. radio-frequency module according to claim 1 is characterized in that,
The transmit scattering that described each communication module satisfies requires different.
4. according to any described radio-frequency module of claim 1～3, it is characterized in that described radio-frequency module also comprises control module, described control module is connected with each communication module, is used to select to be used to send the communication module of signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200241245U CN201910791U (en) | 2011-01-21 | 2011-01-21 | Radio-frequency module |
| PCT/CN2011/085166 WO2012097674A1 (en) | 2011-01-21 | 2011-12-31 | Radio frequency module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200241245U CN201910791U (en) | 2011-01-21 | 2011-01-21 | Radio-frequency module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910791U true CN201910791U (en) | 2011-07-27 |
Family
ID=44302989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200241245U Expired - Lifetime CN201910791U (en) | 2011-01-21 | 2011-01-21 | Radio-frequency module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201910791U (en) |
| WO (1) | WO2012097674A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012097674A1 (en) * | 2011-01-21 | 2012-07-26 | 华为技术有限公司 | Radio frequency module |
| WO2015089838A1 (en) * | 2013-12-20 | 2015-06-25 | 华为技术有限公司 | Method, device and system for establishing cell |
| WO2024078254A1 (en) * | 2022-10-14 | 2024-04-18 | 中兴通讯股份有限公司 | Duplex filter, signal receiving method, signal transmitting method, and signal transceiving system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664294Y (en) * | 2003-11-08 | 2004-12-15 | 摩比天线技术（深圳）有限公司 | A radio-frequency device having multiple-unit duplexer |
| CN1731692A (en) * | 2005-08-09 | 2006-02-08 | 杭州斯达康通讯有限公司 | Dual-mode communication terminal capable of restraining two mode signal RF crosstalk interference and restraining method |
| CN201910791U (en) * | 2011-01-21 | 2011-07-27 | 华为技术有限公司 | Radio-frequency module |
-
2011
- 2011-01-21 CN CN2011200241245U patent/CN201910791U/en not_active Expired - Lifetime
- 2011-12-31 WO PCT/CN2011/085166 patent/WO2012097674A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012097674A1 (en) * | 2011-01-21 | 2012-07-26 | 华为技术有限公司 | Radio frequency module |
| WO2015089838A1 (en) * | 2013-12-20 | 2015-06-25 | 华为技术有限公司 | Method, device and system for establishing cell |
| WO2024078254A1 (en) * | 2022-10-14 | 2024-04-18 | 中兴通讯股份有限公司 | Duplex filter, signal receiving method, signal transmitting method, and signal transceiving system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012097674A1 (en) | 2012-07-26 |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |
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| CX01 | Expiry of patent term |