CN2631165Y - Base station apparatus for micro community or very-micro-community use - Google Patents
Base station apparatus for micro community or very-micro-community use Download PDFInfo
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- CN2631165Y CN2631165Y CNU032644787U CN03264478U CN2631165Y CN 2631165 Y CN2631165 Y CN 2631165Y CN U032644787 U CNU032644787 U CN U032644787U CN 03264478 U CN03264478 U CN 03264478U CN 2631165 Y CN2631165 Y CN 2631165Y
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Abstract
The utility model involves a base station device for micro-cell or micromicro-cell, in particular to a repeated cover cell base station and a temporarily established base station, includes an outdoor unit and an indoor unit. The outdoor unit includes an antenna, a junction room, and a feeder cable of internal and external unit. The indoor unit includes a radio frequency transceiver, a baseband digital Signal processor, a mastercontrol unit, an interface unit and a power supply unit. One or two radio frequency transceivers are provided; the interface unit includes an interface which is connected directly with the wireless network controller of the mobile communication system such as wire, wireless Iub interface, and (or) an interface which is connected indirectly with the wireless network controller of the mobile communication system, utilizing the radio frequency transceiver communication time-sharing with user terminal and other base stations, and communicating with the wireless network controller through the base stations. The cost is low and the erection is convenient. With the position of the micro-cell or micromicro-cell base station determined, the base station can be added into the prior wireless mobile communication system conveniently.
Description
Technical field
The utility model relates to a kind of base station equipment of time division duplex mobile communication system, relates to a kind of wireless base station device of using in Microcell or picocell of being suitable for or rather.
Background technology
In 3-G (Generation Three mobile communication system), the user can indoor or in high-speed moving state by hand-held set etc., comprise the data communication that speech and image etc. are professional.
Its network topology structure can be referring to the relevant suggestion of ITU (M.1447 waiting as ITU-R), between wireless base station and the base station controller (or claiming radio network controller (RNC)), must provide physical link, by interface (as the Iub interface of the 3GPP defined) connection of standard.Above-mentioned physical link can be the wired connection of optical cable, cable etc., also can be wireless connections.
From network arrangement, when the mobile communications network in an area after design and installation has finished, must also can there be some coverings some areas of very poor (as owing to reason such as blocking) for various reasons, the 2000MHz frequency range of using at 3G (Third Generation) Moblie particularly, poorer because of the radio wave propagation condition, make the area that is difficult to cover more.In addition, As time goes on, the hot zones that some business demands increase also can newly appear, as indoor market, newly-built building etc.Under above-mentioned two kinds of situations,, all need to increase some Microcell that repeats to cover or picocells for guaranteeing communication.
Therefore, in 3-G (Generation Three mobile communication system), network may repeat to cover, and may need to design a plurality of Microcells or picocell in macro cell coverage area, need in these Microcells or picocell, set up the base station, with the communication requirement in the zone of satisfying indoor and user's high concentration.But in some cases, for various reasons, in short-term, can't be between base station and base station controller erecting optical cables or cable, cause setting up these Microcells or picocell, when people need most, but can not provide communication system; With in some cases, only in Microcell or picocell, set up the base station for temporary needs, at this moment,, consider from aspects such as costs of investment if adopt present employed traditional base station equipment, obviously be very inappropriate.
Fig. 1 illustrates the structure of a kind of traditional base station equipment, comprises outdoor unit and indoor unit.By a plurality of transmitting antennas as 41,42 and reception antenna constitute outdoor unit with relevant low attenuation feeder cable as 31,32,33,34 as 43,44.Indoor unit is arranged in the equipment rack 50, by many high power amplifiers as 51,52 and the radio frequency sender constitute many radio frequencies link of posting a letter as 55,56; (comprise that topping power amplifies) by radio-frequency transmitter as 53,54 and constitute many collection of letters links; Baseband signal processing unit is as 61,62 signal processing of finishing collection of letters signal and letter signal (comprising mould/number and D/A switch etc.); Interface and control unit are finished complete machine control (control is posted a letter and collected mail) as 65,66 and interface 68 and test interface 69 to base station controller RNC are provided.
What illustrate among the figure is the base station equipment structure of serving a sector, and when the base station equipment of many sectors use was provided, interface and control unit only needed to increase disposal ability as 65,66, and the number needs of other parts is multiplied by the quantity of sector.
Obviously, using for Microcell or picocell with such base station equipment, is very uneconomic.In addition, a kind of base station equipment for Microcell or picocell use also should have the multiple connecting interface that can be connected (as base station controller) with system.
Summary of the invention
The purpose of this utility model is a kind of base station equipment of using for Microcell or picocell of design, and this base station equipment should be particularly suitable in the cell base station that repeats to cover using in the base station with provisional foundation.
This base station equipment should have following tangible advantage: equipment cost, the cost of building a station are low; High flexibility, very easy setting up; Has the interface that is connected with radio network controller (RNC) by wired or wireless mode simultaneously, after in a single day the position of this Microcell or picocell base station is determined, can join easily in the existing mobile radio system and be connected, automatically form a Microcell or picocell with radio network controller.
The technical scheme that realizes the utility model purpose is such: a kind of base station equipment for Microcell or picocell use, form by external unit and machine unit, external unit comprises antenna and feeder cable, feeder cable connects external unit and machine unit, machine unit comprises the radio-frequency (RF) transceiver of being with power amplification unit, the digital baseband signal processor, master control unit and interface unit, radio-frequency (RF) transceiver, the digital baseband signal processor, master control unit and interface unit pass through number bus, controlling bus connects, and it is characterized in that: described radio-frequency (RF) transceiver has a cover or two covers; Described interface unit comprises and the direct-connected interface of the radio network controller of mobile communication system, and/or the interface that is connected indirectly with the radio network controller of mobile communication system; Described machine unit also comprises power supply unit, is connected with interface unit with described radio-frequency (RF) transceiver, digital baseband signal processor, master control unit by dc feeder.
Described and the direct-connected interface of radio network controller mobile communication system is wired Iub interface and the wireless Iub interface that is independent of outside the described radio-frequency (RF) transceiver, with described radio network controller direct communication.
The interface that the radio network controller of described and mobile communication system is connected indirectly be utilize described radio-frequency (RF) transceiver timesharing and user terminal communication and with other base station communication, and pass through this other base station and described radio network controller indirect communication.
Power amplification unit in the described radio-frequency (RF) transceiver is arranged in the outdoor unit as radio-frequency front-end, and an end connects described antenna, and the other end is connected with described feeder cable.
Also comprise the GPS interface that connects and composes by GPS reception antenna, feeder line and GPS receiving processing module, output GPS timing signal; Power amplification unit in GPS reception antenna, feeder line and the GPS receiving processing module is arranged in the described outdoor unit, and other unit that removes power amplification unit in the GPS receiving processing module is arranged in the described indoor unit.
Base station equipment for Microcell or picocell use of the present utility model is by the design of high integration, irredundant backup, to reduce cost as much as possible; Has the multiple interface that is connected to system, comprise the interface that is connected directly to base station controller with wired mode or wireless mode, and the employing wireless mode, be connected to the interface (these two kinds of interface modes can only be selected a kind of) of system when reality is used by other base station; The power amplifying part and the antenna of radio-frequency front-end are integrated, and be installed in outside the equipment cabinets, thereby can use common radio frequency cable or the like.
Description of drawings
Fig. 1 is traditional base station equipment structured flowchart;
Fig. 2 is the structured flowchart of time division duplex mobile communication system for a kind of base station equipment embodiment of Microcell or picocell use;
Fig. 3 is the structured flowchart of time division duplex mobile communication system for the another kind of base station equipment embodiment of Microcell or picocell use.
Embodiment
The utility model is a kind of base station equipment for Microcell or picocell use, below in conjunction with Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system, further specifies the design feature of this base station equipment.
Constitute referring to equipment shown in Figure 2.This femto cell equipment comprises the interior unit of cabinet (100) (indoor unit) and is positioned at the outer external unit (outdoor unit) of cabinet (100).The interior unit of cabinet (100) comprises a cover radio-frequency (RF) transceiver 110, digital baseband signal processor 120, master control unit 130, interface unit 140 and power supply unit (150) totally five functional units.
Mandatory declaration be, above-mentioned five functional units are divided from functional perspective, not needing strictly to carry out corresponding, possible situation with relevant hardware when physics realization is that two even three functional units are integrated on the same hardware.
The outer external unit of cabinet (100) comprises antenna 201 and the radio-frequency front-end 202 that is connected with antenna 201, and radio-frequency front-end 202 is a power amplification unit, and radio-frequency front-end 202 carries out the low noise amplification to received signal and carries out power amplification to transmitting.The radio-frequency front-end that power consumption is many is arranged on outside the cabinet and with antenna and closely is connected, and has not only reduced the requirement to feeder line 203, and as using common radio frequency cable, also making does not have high power consumption parts in the equipment, only carry out radio frequency transmission, thereby power consumption is low, cost is low.
Radio-frequency (RF) transceiver 110 connects radio-frequency front-end 202 by cable feeder line 203.Radio-frequency (RF) transceiver 110 is connected with digital baseband signal processor 120 by high-speed figure bus 112,113 again.Master control unit 130 is connected with radio-frequency (RF) transceiver 110, digital baseband signal processor 120, interface unit 140 and power supply unit 150 respectively by controlling bus 131, and master control unit 130 also is connected with digital baseband signal processor 120 and interface unit 140 by high-speed figure bus 134.150 of power supply units pass through dc feeder 151 and connect transceivers 110, digital baseband signal processor 120, interface unit 140 and master control unit 130, make the direct current supply of these functional units acquisitions from power supply unit 150.
Radio-frequency (RF) transceiver 110 can work in 1 or a plurality of carrier frequency, finishes radiofrequency signal to the conversion between digital signal.
Digital baseband signal processor 120 is finished the processing of base station physical layer signal.
Master control unit 130 is finished the whole monitoring and the highest level signal of base station and is handled, and an interface 133 for local maintenance is arranged.
Interface unit 140 provides each external interface for the base station, include but not limited to network (referring to radio network controller (RNC)) wired Iub interface 141 (directly being connected with network) by cable or optical cable, by the direct-connected Iub interface 142 of wireless mode, being connected between base station equipment and radio network controller (RNC) is provided.Shown in the figure 143 is GPS radio frequency interfaces of receiving world locational system (GPS) timing signal, and interface obtains thus when the needs base station equipment provides the GPS timing signal.In addition, interface unit 140 also is provided with controlling bus interface 144 that is connected with controlling bus 131 and the bus interface 145 that is connected with high-speed figure bus 134, is used for communicating with master control unit 130.
Power supply unit 150 uses the electric main power supply, the civil power of importing (155) is transformed to needed various direct voltage, and exports each component unit in the equipment to by dc feeder 151.By being connected the controlling bus 131 of 150 of master control unit 130 and power supply units, provide the Power Supply Monitoring between Unit two.
Outside the cabinet (100), GPS reception antenna 205 is connected with the CPS radio frequency interface 143 of interface unit 140 by feeder line 206, receives the timing signal from GPS; Directly be connected its radio-frequency front-end 211 with the employed antenna 210 of wireless connections between RNC, the wireless Iub interface 142 by feeder line 212 and interface unit 140 is connected again.
The design feature of this femto cell is: high integration, irredundant backup effectively reduce equipment cost.
Equipment is provided with wired and wireless Iub interface simultaneously, can be connected with the base station controller (RNC) of mobile communication system easily.
Radio-frequency front-end (power amplifier of the low noise amplifier the during collection of letters when posting a letter) 202,211 places on the corresponding antenna 201,210, and no high power consumption parts in the equipment only have radio signal transmission in the equipment, and power consumption is low, cost is low.
Equipment can be provided with the rechargeable battery of a constant volume directly by the electric main power supply in equipment, the equipment of can keeping when civil power interrupts continues to work in a short time.
Referring to Fig. 3, the femto cell device structure of time division duplex mobile communication system shown in the figure.This femto cell equipment comprises the interior unit of cabinet (200) and is positioned at the outer external unit of cabinet (200).The interior unit of cabinet (200) comprises cover radio-frequency (RF) transceiver 310, physical layer process and Operation and Maintenance Unit 320, GPS receiving processing module 340 and a power supply unit 350.Physical layer process wherein and Operation and Maintenance Unit 320 have been concentrated the function of digital baseband signal processor 120 and master control unit 130 among Fig. 2.Radio-frequency (RF) transceiver 310, physical layer process and Operation and Maintenance Unit 320, GPS receiving processing module 340 connect by controlling bus 231, radio-frequency (RF) transceiver 310 is connected by high-speed figure bus 112,113 with physical layer process and Operation and Maintenance Unit 320, power supply unit 350 converts electric main to-the 48V direct current, flows to radio-frequency (RF) transceiver 310, physical layer process and Operation and Maintenance Unit 320 and GPS receiving processing module 340 by dc feeder 151.The outer unit of cabinet (200) comprises antenna 201 and radio-frequency front-end 202, is connected with radio-frequency (RF) transceiver 310 by feeder line 203, and gps antenna 205 is connected with GPS receiving processing module 340 by feeder line 206.
These facilities and equipments are also only with a cover transceiver.After antenna received signal, the power amplifier amplification through radio-frequency front-end 202 passed to radio-frequency (RF) transceiver 310 through feeder line 203 again, and its advantage is the requirement that has reduced feeder line 203 decay, thereby has reduced the cost of equipment.After radio-frequency (RF) transceiver 310 processing, digital baseband signal passes to the Channel Processing plate of physical layer process and Operation and Maintenance Unit 320 by high-speed figure bus 113, the Channel Processing plate is submitted the information of signaling plane to base station signaling and operation maintenance (NBAP through modulation, OM) handle and the information of service surface is submitted to operational processor (FP) handle.Because this base station equipment do not have traditional Iub interface, so can omit AAL2 among the transport network layer ATM, AAL5 and AAL2 and the work that AAL5 changes reduce the complexity and the cost of equipment greatly.After base station signaling, operation maintenance and bearer service were handled (NBAP, OM and FP), by physical layer, radiofrequency signal then can be issued next base station from the space in self-defining mode respectively for signaling and signal service.Do not need in the equipment this moment with base station controller between have and directly be connected and interface equipment is set.Provide the GPS interface that constitutes by GPS receiving processing module 340, gps antenna 205 and feeder line 206 in the equipment, but the timing signal of receiving world locational system for equipment provides clock, makes things convenient for system synchronization.For ease of installing, provide 220V to exchange-modular converter 350 of 48V direct current in the equipment.
Base station equipment for Microcell or picocell use of the present utility model, if adopt time division duplex (TDD) pattern, the base station can be provided with a cover transceiver, when communicating by letter with other base station (as shown in Figure 3 utilize transceiver) or with radio network controller (as shown in Figure 2 utilize Iub interface) and adopting identical frequency with user terminal communication, by the method for timesharing, all use this cover transceiver work.If adopt Frequency Division Duplexing (FDD) (FDD) pattern, when with other base station or radio network controller with user terminal communication, adopt different operating frequencies, then need two cover transceivers, wherein a cover transceiver is for communicating by letter with other base station or radio network controller in the mobile communication system, and another set of transceiver supplies and user terminal communication.
Technology of the present utility model also can be applicable in the base station equipment with other mobile communication standard design behind appropriate change.
Claims (8)
1. base station equipment of using for Microcell or picocell, form by external unit and machine unit, external unit comprises antenna and feeder cable, feeder cable connects external unit and machine unit, machine unit comprises radio-frequency (RF) transceiver, digital baseband signal processor, master control unit and the interface unit of being with power amplification unit, radio-frequency (RF) transceiver, digital baseband signal processor, master control unit and interface unit are connected by number bus, controlling bus, it is characterized in that: described radio-frequency (RF) transceiver has a cover or two covers; Described interface unit comprises and the direct-connected interface of the radio network controller of mobile communication system, and/or the interface that is connected indirectly with the radio network controller of mobile communication system; Described machine unit also comprises power supply unit, is connected with interface unit with described radio-frequency (RF) transceiver, digital baseband signal processor, master control unit by dc feeder.
2. a kind of base station equipment according to claim 1 for Microcell or picocell use, it is characterized in that: the described and direct-connected interface of radio network controller mobile communication system comprises wireless Iub interface and/or the wired Iub interface that is independent of outside the described radio-frequency (RF) transceiver, with described radio network controller direct communication.
3. a kind of base station equipment according to claim 1 for Microcell or picocell use, it is characterized in that: the interface that the radio network controller of described and mobile communication system is connected indirectly be utilize described radio-frequency (RF) transceiver timesharing and user terminal communication and with other base station communication, and pass through this other base station and described radio network controller indirect communication.
4. a kind of base station equipment according to claim 1 for Microcell or picocell use, it is characterized in that: the power amplification unit in the described radio-frequency (RF) transceiver is arranged in the outdoor unit as radio-frequency front-end, one end connects described antenna, and the other end is connected with described feeder cable.
5. a kind of base station equipment for Microcell or picocell use according to claim 1 is characterized in that: also comprise the GPS interface that is connected and composed by GPS reception antenna, feeder line and GPS receiving processing module, output GPS timing signal; Power amplification unit in GPS reception antenna, feeder line and the GPS receiving processing module is arranged in the described outdoor unit, and other unit that removes power amplification unit in the GPS receiving processing module is arranged in the described indoor unit.
6. a kind of base station equipment for Microcell or picocell use according to claim 1, it is characterized in that: described digital baseband signal processor and master control unit synthesize a physical layer process and Operation and Maintenance Unit.
7. a kind of base station equipment for Microcell or picocell use according to claim 1, it is characterized in that: described power amplification unit comprises low noise amplifier that amplifies to received signal and the power amplifier that amplifies transmitting.
8. a kind of base station equipment for Microcell or picocell use according to claim 1, it is characterized in that: described feeder cable is common radio frequency cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032644787U CN2631165Y (en) | 2003-06-18 | 2003-06-18 | Base station apparatus for micro community or very-micro-community use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032644787U CN2631165Y (en) | 2003-06-18 | 2003-06-18 | Base station apparatus for micro community or very-micro-community use |
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| Publication Number | Publication Date |
|---|---|
| CN2631165Y true CN2631165Y (en) | 2004-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032644787U Expired - Lifetime CN2631165Y (en) | 2003-06-18 | 2003-06-18 | Base station apparatus for micro community or very-micro-community use |
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| CN (1) | CN2631165Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417252C (en) * | 2005-09-02 | 2008-09-03 | 上海华为技术有限公司 | Mobile communication base site sub-system and method of transmitting data thereof |
-
2003
- 2003-06-18 CN CNU032644787U patent/CN2631165Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417252C (en) * | 2005-09-02 | 2008-09-03 | 上海华为技术有限公司 | Mobile communication base site sub-system and method of transmitting data thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of registration: 20070510 Pledge (preservation): Pledge |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Effective date of registration: 20070510 Pledge (preservation): Pledge |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20100413 Granted publication date: 20040804 Pledgee: National Development Bank Pledgor: Datang Mobile Communications Equipment Co|Shanghai Datang Mobile Communications Equipment Co|Telecom Research Institute of science and technology Registration number: 2007110000354 |
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| ASS | Succession or assignment of patent right |
Owner name: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110707 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100191 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110707 Address after: 100191 Haidian District, Xueyuan Road, No. 40, Patentee after: Inst of Telecommunication Science and Technolgoy Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: Datang Mobile Communication Equipment Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130618 Granted publication date: 20040804 |