CN201123080Y - Base station outdoor unit - Google Patents
Base station outdoor unit Download PDFInfo
- Publication number
- CN201123080Y CN201123080Y CNU2007201703033U CN200720170303U CN201123080Y CN 201123080 Y CN201123080 Y CN 201123080Y CN U2007201703033 U CNU2007201703033 U CN U2007201703033U CN 200720170303 U CN200720170303 U CN 200720170303U CN 201123080 Y CN201123080 Y CN 201123080Y
- Authority
- CN
- China
- Prior art keywords
- module
- outdoor unit
- signal
- submodule
- digital
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Transmitters (AREA)
Abstract
The utility model relates to an outdoor unit of a base station, which comprises a first outdoor unit connected with an antenna and a second outdoor unit connected with the antenna, wherein the first outdoor unit adjacent to the antenna is connected with the second outdoor unit adjacent to the indoor unit through a cable. The outdoor unit of the base station aims at the default of the prior product, under the condition that the prior system performance is not changed, the operational reliability of the outdoor unit can be effectively enhanced, and easy constructing performance of the project and easy maintenance of the outdoor unit are enhanced to a certain extent.
Description
Technical field
The utility model relates to a kind of base station outdoor unit, relates in particular to a kind of base station outdoor unit with branch body structure.
Background technology
TD SDMA based on multi-antenna technology inserts (TimeDivision-Synchronous CDMA at present; Hereinafter to be referred as: TD-SCDMA) and micro-wave access global inter communication (Worldwide Interoperability for Microwave Access; Hereinafter to be referred as: WiMAX) system base-station equipment mainly is made up of indoor unit and outdoor unit two parts.TD-SCDMA and WiMAX are the multi-antenna technology system that adopts, under the situation of supporting many antennas, the radio-frequency front-end amplifying unit that comprises in the outdoor unit should be supported the processing of a plurality of antenna channels simultaneously, therefore will have many radio frequency feed lines simultaneously between antenna and radio-frequency front-end amplifying unit.When radio-frequency front-end amplifying unit and antenna distance are far away, the feeder line of many long distances will increase the construction investment cost; And the feeder line of long distance will cause the decay of signal, thereby cause the decline of signal receiving sensitivity.Therefore, generally radio-frequency front-end amplifying unit or whole radio frequency processing Transmit-Receive Unit need be arranged near the antenna in TD-SCDMA and the WiMAX system, be connected to indoor unit by radio frequency cable again.The connected mode of the outdoor unit of base station and indoor unit as shown in Figure 1 in existing TD-SCDMA and the WiMAX system.As shown in Figure 1, outdoor unit B is placed on usually near iron tower about 3 meters below the antenna A or above the pole, is connected with antenna A by cable C1, is connected with indoor unit E by main feeder C2, and main feeder C2 adopts radio frequency cable.Because the multichannel power amplifier module is arranged among the outdoor unit B, heat radiation is had relatively high expectations, so the volume and weight of outdoor unit B is all bigger, the load-bearing of iron tower and pole has been proposed higher requirement, also strengthened the engineering construction difficulty.In addition, because the outdoor unit operational environment is more abominable, wherein outdoor unit B major failure point is the influence that power amplifier module is subjected to ambient temperature easily, if break down, because outdoor unit B placement location is higher and be enclosed construction, will bring great difficulty to maintenance.
, problems such as aesthetics poor, constructional difficulties many at main feeder C2 quantity mainly solve by fiber optic stretch at present, and the indoor unit of base station and the connected mode of outdoor unit are as shown in Figure 2.As shown in Figure 2, originally the main feeder C2 between the indoor and outdoors unit is replaced by optical fiber C3, optical fiber C 3 main transmission of digital baseband signals, and number of fibers is few, and engineering construction is simple, can solve original main feeder quantity problems of bringing preferably more.And, also to increase analog transceiver letter machine module 30, digital intermediate frequency module 26 and coffret module 27 among the outdoor unit B in order to support digital baseband transmission, and becoming a kind of novel outdoor unit B ', its volume and weight will further strengthen.At present, novel outdoor unit B ' adopts integrated design, and inside comprises handles the transmitting-receiving of multichannel antenna radio-frequency signal, and the processing module of its inner individual antenna passage is formed as shown in Figure 3.As shown in Figure 3, existing outdoor unit B ' comprises that mainly road module 31, low noise amplification module 14 and power amplifier module 22 are closed in filter 11, transmitting-receiving, analog transceiver is believed machine module 30, local oscillator clock module 25, digital intermediate frequency module 26, coffret module 27 and power supply and switch control module 28 and control and detection module 29, all modules concentrate in the cabinet, and are positioned over work under the outdoor environment.To bring following defective thus:
(1) big, the Heavy Weight of outdoor unit volume, the engineering construction difficulty;
(2) outdoor unit integral body is placed on outdoor environment, work under bad environment, and inner function module complex structure, long-time running poor stability;
(3) outdoor unit is wholy set in antenna proximal end, and liftoff have certain height, in case inner a certain module breaks down, maintenance of equipment is difficult in maintenance.
The utility model content
Each embodiment of the present utility model provides a kind of base station outdoor unit, in order to solving existing outdoor unit engineering construction difficulty, and the poor work stability and the problem of easy care not.
The utility model provides following technical scheme by some embodiment:
A kind of base station outdoor unit comprises first outdoor unit that is connected with antenna and second outdoor unit that is connected with indoor unit, and described first outdoor unit of contiguous described antenna is connected by cable with described second outdoor unit of contiguous described indoor unit.
Described first outdoor unit comprise be used for to signal carry out the filter filtering module, be used for to signal carry out folk prescription to the first circulator module of routing, be used for signal is carried out low noise amplifier module that low noise amplifies, is used for signal is carried out the second circulator module of folk prescription to routing; The described first circulator module is connected with described filter module, described low noise amplifier module is connected with the described first circulator module, and the described second circulator module is connected with the described first circulator module, described low noise amplifier module, described second outdoor unit; Described first outdoor unit is connected with described antenna by cable.
Second outdoor unit and indoor unit have three kinds of connected modes, are respectively to connect by optical fiber, radio frequency bunched cable, intermediate frequency bunched cable.When adopting optical fiber to connect, described second outdoor unit comprise be used for to signal carry out folk prescription to the 3rd circulator module of routing, be used for signal is carried out power amplification power amplifier module, be used to finish the conversion between intermediate-freuqncy signal and the radiofrequency signal analog transceiver letter machine module, be used to finish digital intermediate frequency module, the coffret module that is used for carrying out between described indoor unit and the described outdoor unit transfer of data that baseband digital signal and analog intermediate frequency signal change mutually, the local oscillator clock module that is used to produce and distribute the local oscillator clock; Described the 3rd circulator module is connected with described first outdoor unit, described power amplifier module is connected with described the 3rd circulator module, described analog transceiver letter machine module is connected with described the 3rd circulator module, described power amplifier module, described digital intermediate frequency module is connected with described analog transceiver letter machine module, described coffret module is connected with described digital intermediate frequency module, and described analog transceiver letter machine module also is connected with the local oscillator clock module; Described analog transceiver letter machine module comprises the transmitter unit submodule and the receiver unit submodule that is used for radiofrequency signal is converted to intermediate-freuqncy signal that is used for intermediate-freuqncy signal is converted to radiofrequency signal; Described transmitter unit submodule is connected with described power amplifier module, and described receiver unit submodule is connected with described the 3rd circulator module; Described digital intermediate frequency module comprises: be used for digital signal convert to analog signal the digital-to-analogue conversion submodule, be used for baseband signal convert to intermediate-freuqncy signal the Digital Up Convert submodule, be used for analog signal conversion become digital signal the analog-to-digital conversion submodule, be used for intermediate-freuqncy signal is converted to the Digital Down Convert submodule of baseband signal; Described digital-to-analogue conversion submodule is connected with described transmitter unit submodule; Described Digital Up Convert submodule is connected with described digital-to-analogue conversion submodule, and described analog-to-digital conversion submodule is connected with described receiver unit submodule, and described Digital Down Convert submodule is connected with described analog-to-digital conversion submodule.
When adopting the radio frequency bunched cable to connect, described second outdoor unit comprise be used for to signal carry out folk prescription to the 4th circulator module of routing, be used for to signal carry out power amplification power amplifier module, be used for signal is carried out the first transmit-receive switch module that routing is switched; Described the 4th circulator module is connected with described first outdoor unit, and described power amplifier module is connected with described the 4th circulator module, and the described first transmit-receive switch module is connected with described power amplifier module, described indoor unit.
When adopting the intermediate frequency bunched cable to connect, described second outdoor unit comprise be used for to signal carry out folk prescription to the 5th circulator module of routing, be used for to signal carry out power amplification power amplifier module, be used to finish the conversion between intermediate-freuqncy signal and the radiofrequency signal analog transceiver letter machine module, be used to produce and distribute the local oscillator clock the local oscillator clock module, be used for signal is carried out the second transmit-receive switch module that routing is switched; Described the 5th circulator module is connected with described power amplifier module, described power amplifier module is connected with analog transceiver letter machine module, described analog transceiver letter machine module is connected with the described second transmit-receive switch module, and described analog transceiver letter machine module also is connected with described local oscillator clock module; Described analog transceiver letter machine module comprises the transmitter unit submodule and the receiver unit submodule that is used for radiofrequency signal is converted to intermediate-freuqncy signal that is used for intermediate-freuqncy signal is converted to radiofrequency signal; Described transmitter unit submodule is connected with described power amplifier module, and described receiver unit submodule is connected with the described second transmit-receive switch module.
The base station outdoor unit that the utility model provides under the condition that does not change the existing system performance, can effectively improve the functional reliability of outdoor unit at the defective of existing product, and improves the easy application property of engineering and the ease for maintenance of outdoor unit to a certain extent.
Further specify the technical solution of the utility model below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the outdoor unit of existing base station and the connected mode schematic diagram of indoor unit;
Fig. 2 is the indoor unit of existing base station and the another kind of connected mode schematic diagram of outdoor unit;
Fig. 3 forms structural representation for existing base station outdoor unit internal module;
Fig. 4 is a connected mode schematic diagram of the utility model base station outdoor unit and indoor unit;
Fig. 5 is that the utility model first outdoor unit internal module is formed structural representation;
Fig. 6 is that the utility model second outdoor unit internal module is formed structure one embodiment schematic diagram;
Fig. 7 is that the utility model second outdoor unit internal module is formed another embodiment schematic diagram of structure;
Fig. 8 is that the utility model second outdoor unit internal module is formed a structure embodiment schematic diagram again.
Embodiment
Embodiment one,
As shown in Figure 4, a kind of base station outdoor unit, comprise first outdoor unit B1 that is connected with antenna A and the second outdoor unit B2 that is connected with indoor unit E, the first outdoor unit B1 of adjacent antennas A is connected by cable C4 with the second outdoor unit B2 of contiguous indoor unit E.
Whether present embodiment will have outdoor unit now and be divided into two subelements, be i.e. the first outdoor unit B1 and the second outdoor unit B2 according to being the major failure point of equipment.Wherein the first outdoor unit B1 is low probability of malfunction point, it can be positioned near the antenna A and by cable C1 to connect, to guarantee signal receiving sensitivity; The second outdoor unit B2 is high probability of malfunction point, it can be positioned over from antenna A position far away, that be more convenient for safeguarding, and Ru Tadi, roof even indoor to maintain easily, improve functional reliability.The second outdoor unit B2 is connected by optical fiber C3 with indoor unit E, can also connect (not shown) by bunched cable; Connect by cable C4 between the first outdoor unit B1 and the second outdoor unit B2.After existing outdoor unit was divided into two subelements, each subelement was at volume and all will significantly reduce qualitatively, thereby had reduced the difficulty of construction of engineering, and the regular maintenance of being more convenient for.
Embodiment two,
Based on embodiment one, further, the first outdoor unit B1 structure is formed as shown in Figure 5, and the first outdoor unit B1 comprises and is used for signal is carried out filter filtering module 11; Being used for of being connected with filter module carried out the first circulator module 12 of folk prescription to routing to signal; The low noise amplifier module 14 that is used for signal is carried out the low noise amplification that is connected with the first circulator module; Being used for of being connected with the first circulator module, low noise amplifier module, second outdoor unit carried out the second circulator module 13 of folk prescription to routing to signal.
Wherein, filter module 11 is connected with antenna A, realizes the filter function to aerial signal; The first circulator module 12 and the second circulator module 13 realize to through the folk prescription of the aerial signal of filter module 11 Filtering Processing to routing function; Low noise amplifier module 14 is realized the low noise enlarging function to the radiofrequency signal of process filter module 11 Filtering Processing.The first outdoor unit B1 comprises that also being used to of being connected with entire circuit provides the power supply and the switch control module 28 of power supply and be used to receive and dispatch the control and the detection module 29 of control, power detection, alarm.
Because internal module reduces, the volume and weight of the first outdoor unit B1 can be reduced by a relatively large margin, near its setting and antenna, can reduce the engineering construction difficulty, further, the first outdoor unit B1 can be integrated in the antenna A; Each functional module probability of malfunction among the first outdoor unit B1 is low, can be placed near the antenna, thereby improve the reliability of whole outdoor unit, and guarantee the sensitivity of the up reception in base station simultaneously.
Embodiment three,
Based on embodiment one, two, more further, the second outdoor unit B2 structure is formed as shown in Figure 6, and the second outdoor unit B2 comprises that being used for of being connected with the first outdoor unit B1 carry out the three circulator module 21 of folk prescription to routing to signal; The power amplifier module 22 that is used for signal is carried out power amplification that is connected with the 3rd circulator module 21; The analog transceiver letter machine module 30 that is used to finish the switching signal between intermediate-freuqncy signal and the radiofrequency signal that is connected with the 3rd circulator module 21, power amplifier module 22; Being used to of being connected with analog transceiver letter machine module 30 finished the digital intermediate frequency module 26 that baseband digital signal and analog intermediate frequency signal are changed mutually; The coffret module 27 that is used for carrying out between indoor unit and the outdoor unit transfer of data that is connected with digital intermediate frequency module 26; Analog transceiver letter machine module 30 also is connected with the local oscillator clock module 25 that is used to produce and distribute the local oscillator clock.
Analog transceiver letter machine module 30 comprises the transmitter unit submodule 23 that is used for intermediate-freuqncy signal is converted to radiofrequency signal that is connected with power amplifier module 22; The receiver unit submodule 24 that is used for radiofrequency signal is converted to intermediate-freuqncy signal that is connected with digital intermediate frequency module 26; Transmitter unit submodule 23, receiver unit submodule 24 are connected with local oscillator clock module 25 respectively; Digital intermediate frequency module 26 comprises the digital-to-analogue conversion submodule 34 that is used for digital signal is converted to analog signal that is connected with transmitter unit submodule 23; The Digital Up Convert submodule 32 that is used for baseband signal is converted to intermediate-freuqncy signal that is connected with digital-to-analogue conversion submodule 34; The analog-to-digital conversion submodule 35 that is used for analog signal conversion is become digital signal with receiver unit submodule 24; The Digital Down Convert submodule 33 that is used for intermediate-freuqncy signal is converted to baseband signal that is connected with analog-to-digital conversion submodule 35.
Power amplifier part among the outdoor unit B2, local oscillator clock part, digital processing part all are the major failure points in the outdoor unit, outdoor unit B2 is positioned over from antenna place far away, that be convenient to safeguard, can improves the global reliability and the maintainability of outdoor unit.
In the present embodiment, the second outdoor unit B2 links to each other with indoor unit E by optical fiber C3, links to each other with the first outdoor unit B1 by cable C4.The length of cable C4 can be decided according to the needs of actual engineering construction, and major consideration is: need satisfy on the one hand the requirement of antenna transmitting power, need also on the other hand to guarantee that the second outdoor unit B2 can be installed in is convenient to the place of safeguarding in the outdoor environment.Cable C4 comprises a radio frequency bunched cable and a Comprehensive Control cable; Wherein, the radio frequency bunched cable is made up of many radio frequency cables, comprises multichannel aerial signal cable and 1 tunnel calibrating signal cable; The Comprehensive Control cable is made up of the multiple signals line, comprises direct current supply line, transmitting-receiving control signal wire and signal monitoring cable.The first outdoor unit B1 and the second outdoor unit B2 have independently condition monitoring and alarm ability.The alarm monitoring information of the first outdoor unit B1 is sent among the second outdoor unit B2 by the signal monitoring cable in the Comprehensive Control cable, and the warning information with the second outdoor unit B2 self is sent to indoor unit E part together then.
Use the base station outdoor unit that present embodiment provided, the flow process of its downstream signal is: descending digital baseband signal through transmitter unit submodule 23, power amplifier module 22, the 3rd circulator module 21, the second circulator module 13 of first outdoor unit, the first circulator module 12, filter module 11 in the Digital Up Convert submodule 32 in coffret module 27, the digital intermediate frequency module 26, digital-to-analogue conversion submodule 34, the analog transceiver letter machine module 30, outputs on the antenna A successively at last; The flow process of upward signal is: after signal is imported by antenna A, through the Digital Down Convert submodule 33 in the 3rd circulator module 21 of the filter module 11 of first outdoor unit, the first circulator module 12, LNA module 14, the second circulator module 13, second outdoor unit, receiver unit submodule 24, analog-to-digital conversion submodule 35, the digital intermediate frequency module, by coffret module 27 the upstream digital baseband signal is sent to indoor unit E at last successively.
Embodiment four,
Based on embodiment one, two, when the second outdoor unit B2 and indoor unit E adopt the radio frequency bunched cable to be connected, the structure of the second outdoor unit B2 as shown in Figure 7, comprise be used for to signal carry out folk prescription to the 4th circulator module 36 of routing, be used for to signal carry out power amplification power amplifier module 22, be used for signal is carried out the first transmit-receive switch module 37 that routing is switched; The 4th circulator module 36 is connected with the first outdoor unit B1, and power amplifier module 22 is connected with the 4th circulator module 36, and the first transmit-receive switch module 37 is connected with power amplifier module 22, indoor unit E; The second outdoor unit B2 also comprises power supply and switch control module 28 and is used to receive and dispatch the control and the detection module 29 of control, power detection, alarm.
Use the base station outdoor unit that present embodiment provided, the flow process of its downstream signal is: signal by indoor unit E successively the second circulator module 13 by the first transmit-receive switch module 37, power amplifier module 22, the 4th circulator module 36, first outdoor unit, the first circulator module 12, filter module 11 to antenna; The flow process of upward signal is: signal by antenna successively the 4th circulator module 36 by filter module 11, the first circulator module 12, low noise amplification module 14, the second circulator module 13, second outdoor unit, the first transmit-receive switch module 37 to indoor unit E.
Embodiment five,
Based on embodiment one, two, when the second outdoor unit B2 and indoor unit E adopt the intermediate frequency bunched cable to be connected, the structure of the second outdoor unit B2 as shown in Figure 8, comprise be used for to signal carry out folk prescription to the 5th circulator module 38 of routing, be used for to signal carry out power amplification power amplifier module 22, be used to finish the conversion between intermediate-freuqncy signal and the radiofrequency signal analog transceiver letter machine module 30, be used to produce and distribute the local oscillator clock local oscillator clock module 25, be used for signal is carried out the second transmit-receive switch module 39 that routing is switched; The 5th circulator module 38 is connected with power amplifier module 22, power amplifier module 22 is connected with analog transceiver letter machine module 30, analog transceiver letter machine module 30 is connected with the second transmit-receive switch module 39, and analog transceiver letter machine module 30 also is connected with local oscillator clock module 25; Analog transceiver letter machine module 30 comprises the transmitter unit submodule 23 and the receiver unit submodule 24 that is used for radiofrequency signal is converted to intermediate-freuqncy signal that is used for intermediate-freuqncy signal is converted to radiofrequency signal; Transmitter unit submodule 23 is connected with power amplifier module 22, and receiver unit submodule 24 is connected with the second transmit-receive switch module 39; Transmitter unit submodule 23 is connected with local oscillator clock module 25 with receiver unit submodule 24; The second outdoor unit B2 also comprises power supply and switch control module 28 and is used to receive and dispatch the control and the detection module 29 of control, power detection, alarm.
Use the base station outdoor unit that present embodiment provided, the flow process of its downstream signal is: signal by indoor unit E successively through the second circulator module 13 of the second transmit-receive switch module 39, transmitter unit submodule 23, power amplifier module 22, the 5th circulator module 38, first outdoor unit, the first circulator module 12, filter module 11 to antenna; The flow process of upward signal is: signal passes through filter module 11, the first circulator module 12, low noise amplification module 14, the second circulator module 13, the 5th circulator module 38, receiver unit submodule 24, the second transmit-receive switch module 39 to indoor unit successively by antenna.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (12)
1, a kind of base station outdoor unit, it is characterized in that: comprise first outdoor unit that is connected with antenna and second outdoor unit that is connected with indoor unit, described first outdoor unit of contiguous described antenna is connected by cable with described second outdoor unit of contiguous described indoor unit.
2, base station according to claim 1 outdoor unit, it is characterized in that described first outdoor unit comprises: be used for to signal carry out the filter filtering module, be used for to signal carry out folk prescription to the first circulator module of routing, be used for signal is carried out low noise amplifier module that low noise amplifies, is used for signal is carried out the second circulator module of folk prescription to routing;
The described first circulator module is connected with described filter module, described low noise amplifier module is connected with the described first circulator module, and the described second circulator module is connected with the described first circulator module, described low noise amplifier module, described second outdoor unit.
3, base station according to claim 2 outdoor unit, it is characterized in that: described first outdoor unit is connected with described antenna by cable.
4, base station according to claim 1 outdoor unit, it is characterized in that described second outdoor unit comprises: be used for signal is carried out the three circulator module of folk prescription to routing, be used for signal is carried out the power amplifier module of power amplification, be used to finish the analog transceiver letter machine module of the conversion between intermediate-freuqncy signal and the radiofrequency signal, be used to finish the digital intermediate frequency module that baseband digital signal and analog intermediate frequency signal are changed mutually, be used for carrying out between described indoor unit and the described outdoor unit coffret module of transfer of data, be used to produce and distribute the local oscillator clock module of local oscillator clock;
Described the 3rd circulator module is connected with described first outdoor unit, described power amplifier module is connected with described the 3rd circulator module, described analog transceiver letter machine module is connected with described the 3rd circulator module, described power amplifier module, described digital intermediate frequency module is connected with described analog transceiver letter machine module, described coffret module is connected with described digital intermediate frequency module, and described analog transceiver letter machine module also is connected with described local oscillator clock module.
5, base station according to claim 4 outdoor unit, it is characterized in that described analog transceiver letter machine module comprises: the transmitter unit submodule and the receiver unit submodule that is used for radiofrequency signal is converted to intermediate-freuqncy signal that are used for intermediate-freuqncy signal is converted to radiofrequency signal;
Described transmitter unit submodule is connected with described power amplifier module, and described receiver unit submodule is connected with described the 3rd circulator module.
6, base station according to claim 4 outdoor unit, it is characterized in that described digital intermediate frequency module comprises: be used for digital signal convert to analog signal the digital-to-analogue conversion submodule, be used for baseband signal convert to intermediate-freuqncy signal the Digital Up Convert submodule, be used for analog signal conversion become digital signal the analog-to-digital conversion submodule, be used for intermediate-freuqncy signal is converted to the Digital Down Convert submodule of baseband signal;
Described digital-to-analogue conversion submodule is connected with described transmitter unit submodule; Described Digital Up Convert submodule is connected with described digital-to-analogue conversion submodule, and described analog-to-digital conversion submodule is connected with described receiver unit submodule, and described Digital Down Convert submodule is connected with described analog-to-digital conversion submodule.
7, according to claim 4 or 5 or 6 described base station outdoor units, it is characterized in that: described second outdoor unit is connected with described indoor unit by optical fiber.
8, base station according to claim 1 outdoor unit, it is characterized in that described second outdoor unit comprises: be used for to signal carry out folk prescription to the 4th circulator module of routing, be used for to signal carry out power amplification power amplifier module, be used for signal is carried out the first transmit-receive switch module that routing is switched;
Described the 4th circulator module is connected with described first outdoor unit, and described power amplifier module is connected with described the 4th circulator module, and the described first transmit-receive switch module is connected with described power amplifier module, described indoor unit.
9, base station according to claim 8 outdoor unit is characterized in that, described second outdoor unit is connected with described indoor unit by the radio frequency bunched cable.
10, base station according to claim 1 outdoor unit, it is characterized in that described second outdoor unit comprises: be used for to signal carry out folk prescription to the 5th circulator module of routing, be used for to signal carry out power amplification power amplifier module, be used to finish the conversion between intermediate-freuqncy signal and the radiofrequency signal analog transceiver letter machine module, be used to produce and distribute the local oscillator clock the local oscillator clock module, be used for signal is carried out the second transmit-receive switch module that routing is switched;
Described the 5th circulator module is connected with described power amplifier module, described power amplifier module is connected with analog transceiver letter machine module, described analog transceiver letter machine module is connected with the described second transmit-receive switch module, and described analog transceiver letter machine module also is connected with described local oscillator clock module.
11, base station according to claim 10 outdoor unit, it is characterized in that described analog transceiver letter machine module comprises: the transmitter unit submodule and the receiver unit submodule that is used for radiofrequency signal is converted to intermediate-freuqncy signal that are used for intermediate-freuqncy signal is converted to radiofrequency signal;
Described transmitter unit submodule is connected with described power amplifier module, and described receiver unit submodule is connected with the described second transmit-receive switch module.
According to claim 10 or 11 described base station outdoor units, it is characterized in that 12, described second outdoor unit is connected with described indoor unit by the intermediate frequency bunched cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201703033U CN201123080Y (en) | 2007-08-21 | 2007-08-21 | Base station outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201703033U CN201123080Y (en) | 2007-08-21 | 2007-08-21 | Base station outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201123080Y true CN201123080Y (en) | 2008-09-24 |
Family
ID=40010320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201703033U Expired - Lifetime CN201123080Y (en) | 2007-08-21 | 2007-08-21 | Base station outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201123080Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486278A (en) * | 2014-11-18 | 2015-04-01 | 成都九洲迪飞科技有限责任公司 | User-defined OFDM (Orthogonal Frequency Division Multiplexing) transceiver |
-
2007
- 2007-08-21 CN CNU2007201703033U patent/CN201123080Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104486278A (en) * | 2014-11-18 | 2015-04-01 | 成都九洲迪飞科技有限责任公司 | User-defined OFDM (Orthogonal Frequency Division Multiplexing) transceiver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203386238U (en) | Mobile temperature and humidity on-line monitoring system for cold-chain logistics | |
| CN102570064B (en) | Active antenna device and the method for receiving and transmitting signal thereof | |
| CN109088679A (en) | Active Arrays calibration system, method, apparatus and Active Arrays system | |
| CN101841935A (en) | Single-antenna remote radio unit | |
| CN201118583Y (en) | Outside antenna feedback system for base station | |
| CN208656779U (en) | Active Arrays calibration system and Active Arrays system | |
| CN101814957A (en) | WiFi (Wireless Fidelity) optical fiber radio central control system | |
| CN202998095U (en) | Digital multi-transmission-mode repeater system | |
| CN201123080Y (en) | Base station outdoor unit | |
| CN202121782U (en) | Near-end node, far-end node, and indoor distribution system | |
| CN101742528A (en) | System for realizing indoor coverage in CDMA network | |
| CN206413200U (en) | A kind of room based on REID point monitoring system | |
| CN205232466U (en) | Street lamp station with multimode network integrated system | |
| CN202906912U (en) | Multimode digital radio frequency remote system | |
| CN201260163Y (en) | Radio frequency extension apparatus and base station system | |
| CN102204402B (en) | Base station equipment and signal transmission method thereof | |
| CN105208686B (en) | It polymerize multi-carrier-wave wireless wide band radio-frequency processing unit based on the discrete frequency point of 230MHz | |
| CN203632668U (en) | MIMO communication system | |
| CN105375977A (en) | GSM-R radio remote base station equipment | |
| CN202855905U (en) | Intermediate frequency analog RoF type phase active integrated antenna | |
| CN101094460A (en) | Method and device for designing tiny base station of using interconnection of intermediate frequency | |
| CN210629500U (en) | 5G optical signal forward transmission architecture based on composite wave transmission | |
| CN207354626U (en) | A kind of expansion equipment and system at distribution skin station | |
| CN202523850U (en) | Antenna system | |
| CN207691804U (en) | A kind of satellite communication earth station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |
|
| CX01 | Expiry of patent term |