CN201123079Y - Multi-carrier wave base station amplifier - Google Patents
Multi-carrier wave base station amplifier Download PDFInfo
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- CN201123079Y CN201123079Y CNU2007200089275U CN200720008927U CN201123079Y CN 201123079 Y CN201123079 Y CN 201123079Y CN U2007200089275 U CNU2007200089275 U CN U2007200089275U CN 200720008927 U CN200720008927 U CN 200720008927U CN 201123079 Y CN201123079 Y CN 201123079Y
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- duplexer
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Abstract
The utility model discloses an amplifier of a multicarrier base station. At least one amplifier with low noise is connected in series between the RX end of a diplexer (3) of an uplink (A) and the RX end of a diplexer (8), and between the RX end of a diplexer (4) of a uplink (B) and a radio frequency switch (11), the signal of the uplink is amplified, the balanced problem of the chain is effectively improved, the added tedious of the installment of the tower top amplifier in the prior technology is avoided, and thereby the beneficial application effect is realized.
Description
Technical field
The utility model relates to mobile communication network equipment, particularly a kind of multi-carrier base station.
Background technology
As shown in Figure 1, it is the theory diagram of existing multi-carrier base station, comprise up link and down link, wherein up link comprises two branch road A, B, up link A, B and downlink shared radio-frequency (RF) switch 1,2,10,11 and duplexer 3,4, up link A also with downlink shared duplexer 8, in addition, up link B also comprises a filter 9, down link also comprises mixer 5, attenuator 6 and Multi-Carrier Power Amplifier (MCPA) 7, in up link, after antenna received mobile phone signal, the signal of branch road A entered the ANT end of duplexer 8 through radio-frequency (RF) switch 10, isolate upward signal by duplexer 8 after, deliver to the RX end of another duplexer 3, again by duplexer 3 combined signals after the radio-frequency (RF) switch 1 of base station mouth enters the base station, the signal of another branch road B directly by filter 9, enters the RX end of the duplexer 4 in this branch road by radio-frequency (RF) switch 11 then, after merging, it, enters the base station through radio-frequency (RF) switch 2 again by the output of ANT end; In the down link, base station signal is entered the ANT end of duplexer 3,4 respectively by radio-frequency (RF) switch 1,2 by the base station mouth, after isolating downstream signal, export by the TX end of two duplexers 3,4, downstream signal after the separation closes Lu Weiyi road signal through mixer 5 again, enter attenuator 6 then and carry out suitable decay, the last TX end that is amplified into duplexer 8 again through Multi-Carrier Power Amplifier 7, after merging,, send signal to the overlay area by delivering to antenna with the shared radio-frequency (RF) switch 10 of up link A.Above-mentioned radio-frequency (RF) switch 1,2,10,11 is by radio-frequency (RF) switch control unit (MCU) 12 controls.
In the prior art, multi-carrier base station only supports downstream signal to amplify, fail to carry out corresponding upward signal enlarging function, in use, on making, down link reaches poised state, so cooperating tower to put together on the basis of original base station uses, as shown in Figure 2, the base station down signal enters continuous base station by base station signal delivery outlet (BTS), put by tower then and after it amplifies, be transported to antenna again and launch, after antenna receives mobile phone signal simultaneously, put through tower earlier, after amplifying upward signal, enter the base station mouth by base station again.But when adopting this kind structure, need that tower is installed in addition and put, not only raise the cost, and waste time and energy, and when not needing uplink signal amplified, must remove tower and put, again base station directly is connected with antenna, thereby causes great inconvenience.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of multi-carrier base station, it increases in up link installs low noise amplifier, carrying out up link amplifies, effectively improve the link balance problem, and set up radio-frequency (RF) switch respectively at the low noise amplifier two ends, whether carry out up link with convenient selection and amplify.
To achieve these goals, solution of the present utility model is:
Multi-carrier base station, comprise up link and down link, wherein up link comprises two branch road (A, B), up link (A, B) with downlink shared radio-frequency (RF) switch (1,2,10,11) and duplexer (3,4), up link (A) also with downlink shared duplexer (8), in addition, up link (B) also comprises a filter (9), down link also comprises mixer (5), attenuator (6) and Multi-Carrier Power Amplifier (7), in up link, after antenna receives mobile phone signal, the signal of branch road (A) enters the ANT end of duplexer (8) through radio-frequency (RF) switch (10), after isolating upward signal by duplexer (8), enter the RX end of another duplexer (3) by the RX end, by its combined signal after the radio-frequency (RF) switch of base station mouth (1) enters the base station, the signal of another branch road (B) directly passes through filter (9) by radio-frequency (RF) switch (11), enter the RX end of the duplexer (4) in this branch road then, by the output of ANT end, enter the base station again through radio-frequency (RF) switch (2); In the down link, signal is entered the ANT end of duplexer (3,4) respectively by radio-frequency (RF) switch (1,2) by the base station mouth, after isolating downstream signal, export by the TX end of two duplexers (3,4), pass through mixer (5), attenuator (6) and Multi-Carrier Power Amplifier (7) successively, enter the TX end of duplexer (8), after merging,, send signal to the overlay area by delivering to antenna with the shared radio-frequency (RF) switch (10) of up link (A); Radio-frequency (RF) switch wherein (1,2,10,11) is by radio-frequency (RF) switch control unit (12) control, in up link (A) between the RX end of the RX of duplexer (3) end and duplexer (8) and the RX of the middle duplexer (4) of up link (B) hold with radio-frequency (RF) switch (11) between be connected in series at least one low noise amplifier (LNA).
The two ends of above-mentioned low noise amplifier also can be connected in series radio-frequency (RF) switch respectively, then with a radio frequency cable and connect.
Also can be connected in series a coupler respectively between base station mouth and radio-frequency (RF) switch (1,2), serial connection input power detection module comprises mixer and power detection module between two couplers.
After adopting said structure, the utility model in use, upward signal can amplify by low noise amplifier, thereby improve the link balance problem, do not put and do not need to increase in addition tower, reduced cost, and with low noise amplifier with after radio-frequency (RF) switch is connected in series again and be connected to up link, can conveniently select whether to carry out up link and amplify, effectively the laser propagation effect of conditioning signal.
Description of drawings
Fig. 1 is the prior art constructions block diagram;
Fig. 2 is that prior art is used structured flowchart among Fig. 1;
Fig. 3 is the structured flowchart of an embodiment of the utility model multi-carrier base station;
Fig. 4 is the use structured flowchart of the utility model multi-carrier base station among Fig. 3;
Fig. 5 is the structured flowchart of another embodiment of the utility model multi-carrier base station.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiment.
As shown in Figure 3, be the structured flowchart of a preferred embodiment of the utility model.A kind of multi-carrier base station, comprise up link and down link, wherein up link comprises two branch road A, B, up link A, B and downlink shared radio-frequency (RF) switch 1,2,10,11 and duplexer 3,4, up link A also with downlink shared duplexer 8, in addition, up link A also comprises a low noise amplifier 32, up link B also comprises a filter 9, down link also comprises mixer 5, attenuator 6 and Multi-Carrier Power Amplifier 7, in up link, after antenna receives mobile phone signal, signal among the up link A enters the ANT end of duplexer 8 by radio-frequency (RF) switch 10, after isolating upward signal by duplexer 8, by the output of RX end, amplify through low noise amplifier 32 (LNA) again, enter the RX end of duplexer 3 then, by its combined signal after the radio-frequency (RF) switch 1 of base station mouth enters the base station, the signal of another branch road B directly passes through filter 9 by radio-frequency (RF) switch 11, enter the RX end of the duplexer 4 in this branch road then, by the output of ANT end, enter the base station again through radio-frequency (RF) switch 2; The signal flow situation of down link is same as the prior art, signal is entered the ANT end of duplexer 3,4 respectively by radio-frequency (RF) switch 1,2 by the base station mouth, after isolating downstream signal, export by the TX end of two duplexers 3,4, pass through mixer 5, attenuator 6 and Multi-Carrier Power Amplifier 7 successively, enter the TX end of duplexer 8, after merging,, send signal to the overlay area by delivering to antenna with the shared radio-frequency (RF) switch 10 of up link A; Radio-frequency (RF) switch 1,2,10,11 wherein is by 12 controls of radio-frequency (RF) switch control unit.Like this, by in up link A, increasing serial connection one low noise amplifier 32, make up link A and down link reach poised state, as shown in Figure 4, it is loaded down with trivial details that release installation tower is put, make base station signal directly deliver to antenna, thereby reach result of use preferably by base station by BTS.
In the present embodiment; also low noise amplifier 32 can be serially connected between the RX end and filter 9 of duplexer 4 among the up link B; even can be in up link A respectively be connected in series a low noise amplifier between RX end and the filter 9 of duplexer 4 between the RX end of duplexer 3,10 and among the up link B; present embodiment only illustrates its design philosophy, and other is done distortion according to this and all falls within the utility model protection range.
As shown in Figure 5, be the structured flowchart of another preferred embodiment of the utility model.It is connected in series a radio-frequency (RF) switch respectively at two low noise amplifiers, 33,34 two ends, then with a radio frequency cable and connect, then two serial connection branch roads are attempted by between the RX end of two duplexers 3,8 among the up link A respectively and among the up link B between the RX end and filter 9 of duplexer 4, also can be attempted by respectively between the RX end of two duplexers 3,8 among the up link A and between up link B median filter 9 and the radio-frequency (RF) switch 11, radio-frequency (RF) switch is wherein controlled by radio-frequency (RF) switch control unit 12.So, the signal that then can conveniently select whether to carry out up link amplifies, if need carrying out signal, certain bar up link amplifies, then by the radio-frequency (RF) switch closure that is connected in series with low noise amplifier in radio-frequency (RF) switch control unit 12 these links of control, then upward signal could enter the base station by duplexer after must amplifying via low noise amplifier; Do not amplify if certain bar up link does not need to carry out signal, then disconnect by the radio-frequency (RF) switch that is connected in series with low noise amplifier in radio-frequency (RF) switch control unit 12 these links of control, then upward signal can directly be walked around low noise amplifier, and by original link tester mistake.
In the present embodiment, also in base station mouth and radio-frequency (RF) switch 1, be connected in series a coupler 21 between 2 respectively, two coupler signal after coupling are delivered to power detection module 22, this input power detection module 22 comprises mixer unit and power detecting unit, input power detection module 22 mainly is in order to detect the base station power of the equipment of inputing to, place it in equipment foremost, mainly be in order to make its power detection not be subjected to the influence of equipment, to accomplish that input power detects accurately, be used to judge whether the power output of base station is normal, as judging a whether normal precondition of multi-carrier base station work.
Claims (3)
1, multi-carrier base station, comprise up link and down link, wherein up link comprises two branch road (A, B), up link (A, B) with downlink shared radio-frequency (RF) switch (1,2,10,11) and duplexer (3,4), up link (A) also with downlink shared duplexer (8), in addition, up link (B) also comprises a filter (9), down link also comprises mixer (5), attenuator (6) and Multi-Carrier Power Amplifier (7), in up link, after antenna receives mobile phone signal, the signal of branch road (A) enters the ANT end of duplexer (8) through radio-frequency (RF) switch (10), after isolating upward signal by duplexer (8), enter the RX end of another duplexer (3) by the RX end, by its combined signal after the radio-frequency (RF) switch of base station mouth (1) enters the base station, the signal of another branch road (B) directly passes through filter (9) by radio-frequency (RF) switch (11), enter the RX end of the duplexer (4) in this branch road then, by the output of ANT end, enter the base station again through radio-frequency (RF) switch (2); In the down link, signal is entered the ANT end of duplexer (3,4) respectively by radio-frequency (RF) switch (1,2) by the base station mouth, after isolating downstream signal, export by the TX end of two duplexers (3,4), pass through mixer (5), attenuator (6) and Multi-Carrier Power Amplifier (7) successively, enter the TX end of duplexer (8), after merging,, send signal to the overlay area by delivering to antenna with the shared radio-frequency (RF) switch (10) of up link (A); Radio-frequency (RF) switch wherein (1,2,10,11) be is characterized in that by radio-frequency (RF) switch control unit (12) control: between the RX end of the RX end of the duplexer (3) of up link (A) and duplexer (8) and the RX of the duplexer (4) of up link (B) hold with radio-frequency (RF) switch (11) between be connected in series at least one low noise amplifier.
2, multi-carrier base station as claimed in claim 1 is characterized in that: the two ends of described low noise amplifier are connected in series radio-frequency (RF) switch respectively, then with a radio frequency cable and connect.
3, multi-carrier base station as claimed in claim 2, it is characterized in that: between base station mouth and radio-frequency (RF) switch (1,2), be connected in series a coupler respectively, serial connection input power detection module between two couplers, described input power detection module comprises mixer and power detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200089275U CN201123079Y (en) | 2007-11-29 | 2007-11-29 | Multi-carrier wave base station amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200089275U CN201123079Y (en) | 2007-11-29 | 2007-11-29 | Multi-carrier wave base station amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201123079Y true CN201123079Y (en) | 2008-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200089275U Expired - Lifetime CN201123079Y (en) | 2007-11-29 | 2007-11-29 | Multi-carrier wave base station amplifier |
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| Country | Link |
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| CN (1) | CN201123079Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244943A (en) * | 2011-07-25 | 2011-11-16 | 芯通科技（成都）有限公司 | Low-noise-amplifier bypass system in multi-carrier base station amplifier and control method thereof |
| CN102355277A (en) * | 2011-08-03 | 2012-02-15 | 京信通信系统（中国）有限公司 | Integrated interface module of high-power power amplifier system and signal processing method thereof |
| CN101521305B (en) * | 2009-04-09 | 2012-11-07 | 成都赛纳赛德科技有限公司 | Double-mode duplexer |
-
2007
- 2007-11-29 CN CNU2007200089275U patent/CN201123079Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101521305B (en) * | 2009-04-09 | 2012-11-07 | 成都赛纳赛德科技有限公司 | Double-mode duplexer |
| CN102244943A (en) * | 2011-07-25 | 2011-11-16 | 芯通科技（成都）有限公司 | Low-noise-amplifier bypass system in multi-carrier base station amplifier and control method thereof |
| CN102244943B (en) * | 2011-07-25 | 2013-08-28 | 成都芯通科技股份有限公司 | Low-noise-amplifier bypass system in multi-carrier base station amplifier and control method thereof |
| CN102355277A (en) * | 2011-08-03 | 2012-02-15 | 京信通信系统（中国）有限公司 | Integrated interface module of high-power power amplifier system and signal processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170622 Address after: No. 7 building two Wufeng Street software Avenue Gulou District of Fuzhou city in Fujian province 350000 No. 89 Fuzhou Software Industrial Park Building Patentee after: Fujian three Yuan Da Technology Co., Ltd. Address before: 350002, seven, North 1-6, main building of torch hi tech Innovation Park, No. 611 Industrial Road, Gulou District, Fujian, Fuzhou Patentee before: Fujian Sunnada Communication Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |