CN206963092U - Inclined TDD LTE integrations positioning micro-base station when a kind of more - Google Patents

Abstract

Inclined TDD LTE integrations positioning micro-base station when the utility model is related to a kind of more, power amplification device, wave filter including casing and in casing, the radio-frequency unit of area's base band device and multiple-input and multiple-output less than normal when positioning micro-base station also includes more, power amplification device and wave filter are equipped with multiple, and each power amplification device and wave filter connect one to one, area's base band device less than normal is connected with radio-frequency unit when more, radio-frequency unit is connected with all power amplification devices, and area's base band device and radio-frequency unit less than normal are equipped with casing when more.Compared with prior art, the utility model separates radio frequency and base band, employ the radio-frequency unit of multiple-input and multiple-output, it is configured with the power amplifier covered more simultaneously, therefore the TDD of multiband can be supported in a set of positioning micro-base station, improves adaptedness, inclined, multifrequency point coexists when realizing more, make micro-base station integration, miniaturization, there is good portability.

Description

Inclined TDD-LTE integrations positioning micro-base station when a kind of more

Technical field

The utility model is related to a kind of architecture technology, more particularly, to it is a kind of more when inclined TDD-LTE integration positioning Micro-base station.

Background technology

Since the GSM epoch, the positioning of mobile phone scene is exactly the critical function of special trade.The various scenes in 2G, 3G epoch Location equipment has played important social function, has arrived the LTE mobile communication epoch, and the characteristics of due to bandwidth, frequency range, mobile phone is showed Field positioning proposes higher requirement.Domestic 4G cell phone positioning product is all that a frequency range one is arranged by technology restriction at present It is standby.For 3 TDD (Time Division Duplexing) frequency range of China Mobile, mobile group of the different provinces in the whole nation Center frequency point in net practice in different TDD frequency ranges has difference relative to standard gps signal or Big Dipper signal in time domain Skew, it is necessary to which the different complete set of equipments superposition of 3 TDD frequency ranges could be completed unrestrictedly so for full frequency band positioning TDD mobile phones scene positioning function.By taking the mark post product of current police field application as an example, although having accomplished that base band and radio frequency close Into one piece of surface-mounted integrated circuit, but inclined mobile phone positioning when can not support more.

Base band, radio frequency and core network part synthesis pass through the power board of control, signal and special frequency channel on one piece of veneer It is connected, the outer side joint antenna-feedback system of power amplifier (being typically directional aerial), while whole cabinet leaves external notebook or computer, hand The GUI interface of machine.The ground such as Guangdong, Guangxi, Shandong, Hebei, Beijing at home, in different TDD frequency ranges when be partially it is different, This results in have to use in TDD-LTE positioning covers the complex cooperation of different complete micro-base station equipment progress with complete more It is extremely inconvenient in practice into positioning function.

Industry user generally reflects, current LTE location equipments (as shown in Figure 1) can only one-segment operation, and volume compared with Greatly, in the case where not knowing the scene of on-site target mobile phone admission situation, it is necessary to take more complete equipments and just can guarantee that locating effect (covering Domestic TDD-LTE mainstream carriers need 3~6 complete equipments at present), it strongly limit the use in many occasions.

In addition to only supporting this shortcoming of one-segment, at present product on the market also exist modification FCN in single frequency band, The shortcomings of restarting equipment is needed after TAC.At unknown complexity scene, user needs to change FCN (Frequency at any time Channel Number) and TAC (Tracking Area Code) values to keep up with locating cellphone as early as possible.Equipment, which is frequently restarted, to be led Cause opportunity is delayed, and often leads to location tasks failure

Utility model content

The purpose of this utility model is inclined when being exactly to provide a kind of more the defects of overcoming above-mentioned prior art to exist TDD-LTE integration positioning micro-base stations.

The purpose of this utility model can be achieved through the following technical solutions：

Inclined TDD-LTE integration positioning micro-base station when a kind of more, including casing and power amplification device in casing, filtering Device, the radio-frequency unit of area's base band device and multiple-input and multiple-output less than normal when the positioning micro-base station also includes more, the power amplifier dress Put and be equipped with wave filter multiple, and each power amplification device and wave filter connect one to one, area's base band device less than normal when described more It is connected with radio-frequency unit, the radio-frequency unit is connected with all power amplification devices, area's base band device and radio frequency dress less than normal when described more Put and be equipped with casing.

The wave filter is cavity fluid filter.

There was only fin in the casing, the power amplification device tiling is on a heat sink.

The power amplification device and wave filter are equipped with three, and the output end of the radio-frequency unit has three, and three outputs End connection corresponding with three power amplification devices respectively.

Area's base band device less than normal is provided with the GPS interface for being used for connecting GPS module when described more.

The positioning micro-base station also includes the power amplifier antenna feeder being made up of the radio-frequency cable, the antenna that are sequentially connected, the power amplifier Antenna feeder is connected with wave filter.

Compared with prior art, the utility model has advantages below：

1) radio frequency and base band are separated, employ the radio-frequency unit of multiple-input and multiple-output, while be configured with the power amplifier covered more, Therefore the TDD of multiband can be supported in a set of positioning micro-base station, improve adaptedness, it is inclined when realizing more, multifrequency point is common Deposit, make micro-base station integration, miniaturization, there is good portability.

2) Multiinputoutput radio-frequency unit includes the multifrequency point input/output terminal of 3~6 passages, between each frequency mutually solely It is vertical, realize the independent regulation of gain.

3) tiling on a heat sink, considers housing radiating, realizes more power amplifiers while work power amplifier side by side, To initiate in the industry.

4) GPS machine mouths have been reserved, multiple TDD cells of base band can be given to provide standard time clock alignment function.

Brief description of the drawings

Fig. 1 is the structural representation of existing location equipment；

Fig. 2 is structural representation of the present utility model；

Wherein：1st, area's base band device less than normal when more, 2, radio-frequency unit, 3, power amplification device, 4, wave filter, 5, power amplifier antenna feeder, 6th, GPS module.

Embodiment

The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model Implemented premised on technical scheme, give detailed embodiment and specific operating process, but guarantor of the present utility model Shield scope is not limited to following embodiments.

Inclined TDD-LTE integrations positioning micro-base station when a kind of more, as shown in Fig. 2 the work(including casing and in casing Device 3, wave filter 4 are put, the radio-frequency unit 2 of area's base band device 1 and multiple-input and multiple-output less than normal when positioning micro-base station also includes more, Power amplification device 3 and wave filter 4 are equipped with multiple, and each power amplification device 3 and wave filter 4 connect one to one, area's base less than normal when more Band device 1 is connected with radio-frequency unit 2, and radio-frequency unit 2 is connected with all power amplification devices 3, area's base band device 1 and radio frequency less than normal when more Device 2 is equipped with casing.

Wave filter 4 is cavity fluid filter.

There was only fin in casing, power amplification device 3 tiles on a heat sink.

Positioning micro-base station also includes the power amplifier antenna feeder 5 that is made up of the radio-frequency cable, the antenna that are sequentially connected, power amplifier antenna feeder 5 with Wave filter 4 connects.

Specifically, when more area's base band device 1 less than normal include the support that is integrated in a SOC it is multiple different when it is inclined TDD cell, SOC carry the Java data-interfaces for being used for connecting outside GUI consoles 1.Baseband portion is just examined in design Inclined TDD unifies demand when having considered multiple different, and time slot encoding and decoding and scheduling is uniformly processed in physical layer and dispatch layer, is then accessing Layer is abstracted different districts, is managed with the mode of object logic, the work(in area less than normal when being achieved in that multiple different Energy.The baseband board card technical indicator of area's base band device 1 such as table 1 less than normal when more.

Table 1

Area's base band device 1 less than normal is the 8157SoC chips based on Freescale when more, positions small base station at present and all uses Intel or Broadcom nest plate scheme, the utility model take freescale SoC chip, and realize wherein Inclined TDD cell when more (inclined TDD cell when can at most support 3 differences)；Creatively the physical layer in communication at a high speed Digital communication CPRI interfaces are transplanted on common SATA bearer contexts for data transmission, inclined TDD bottom datas speed band when solving more The problem of wide, and solve to minimize portable demand in the lump；The physical layer and core net software of base band comply fully with 3GPP standards, Ensure the compatibility to TDD-LTE communications protocol.

Radio-frequency unit 2 includes the multifrequency point input/output terminal of 3~6 passages, between each frequency independently of each other.Radio-frequency unit 2 Using AD9361 chips, by CPRI interfaces with it is more when area's base band device 1 less than normal be connected, and pass through RF connection and control letter Number line is connected with power amplification device 3.The radio-frequency unit 2 can support most 6 frequencies in 3 band of China Mobile simultaneously completely It is inclined when point, 3 groups of differences.It is even more more that 9 frequencies can also be extended to as needed.The technical indicator of the radio-frequency unit 2 such as institute of table 2 Show.

Table 2

Size (mm)	85*170*20
		Interface	Radio frequency interface SMA x6,10 pins control line interface x3
Power output	<0dBm
		Up gain	0dB~40dB
Frequency range	1700MHz~2600MHz
		Power supply mode	12V
Operating current	<2A

Power amplification device 3 is provided with three, is connected one to one with the output end of Multiinputoutput radio-frequency module 3, there is provided to work( The signal and control function of device 3 are put, power amplification device 3 is provided with three, connected one to one by radio frequency line and power amplification device 3, And concurrently work simultaneously.Tiling on a heat sink, aids in fan cooling power amplification device 3 side by side.According to universal in industry It is required that the peak power of each power amplification device 3 is no more than 20 watts.The technical indicator of the power amplifier of the power amplification device 3 such as institute of table 3 Show.

Table 3

Area's base band device 1 less than normal, which is provided with, when more is used to connect the GPS interface of GPS module 6, for base band it is multiple not TDD cell provides standard time clock alignment function partially simultaneously, using UBLOX M6 modules, by gps signal line with it is more when area less than normal The GPS interface of base band device 1 is connected.The waterproof lightning protection mushroom head antenna of the external special high sensitivity of GPS, strong antijamming capability.

Each cell when more in area's base band device 1 less than normal can dynamically change frequency range and frequency, and collect inside CPU Into the core net of correlation.

The application, inclined TDD cell baseband board when mainly including supporting more, the rf board of multiband input and output, unified work( The power amplifier of rate and size, supporting cavity body filter, the antenna-feedback system of wide-band, and cross-platform client GUI Management system.Live positioning function of the special trade to various TDD-LTE mobile phones can be realized, can be real-time according to field condition Frequency range and standard, and small volume are changed, it is easy to carry, it is the practical innovative product of positioning TDD-LTE mobile phones in special trade, has There is good social benefit.

Claims (6)

1. inclined TDD-LTE integration positioning micro-base station when a kind of more, including casing and power amplification device (3) in casing, filter Ripple device (4), it is characterised in that area's base band device (1) less than normal and multiple-input and multiple-output when the positioning micro-base station also includes more Radio-frequency unit (2), the power amplification device (3) and wave filter (4) are equipped with multiple, and each power amplification device (3) and wave filter (4) one One corresponding connection, area's base band device (1) less than normal is connected with radio-frequency unit (2) when described more, and the radio-frequency unit (2) and institute are active Device (3) connection is put, area's base band device (1) less than normal and radio-frequency unit (2) are equipped with casing when described more.

2. inclined TDD-LTE integrations positioning micro-base station when according to claim 1 a kind of more, it is characterised in that the filter Ripple device (4) is cavity body filter.

3. inclined TDD-LTE integrations positioning micro-base station when according to claim 1 a kind of more, it is characterised in that the machine There was only fin in shell, power amplification device (3) tiling is on a heat sink.

4. inclined TDD-LTE integrations positioning micro-base station when according to claim 1 a kind of more, it is characterised in that the work( Put device (3) and wave filter (4) is equipped with three, the output end of the radio-frequency unit (2) has three, and three output end difference Connection corresponding with three power amplification devices (3).

5. inclined TDD-LTE integrations positioning micro-base station when according to claim 1 a kind of more, it is characterised in that described more When area's base band device (1) less than normal be provided with and be used to connect the GPS interfaces of GPS module (6).

6. inclined TDD-LTE integrations positioning micro-base station when according to claim 1 a kind of more, it is characterised in that described fixed Position micro-base station also includes the power amplifier antenna feeder (5) being made up of the radio-frequency cable, the antenna that are sequentially connected, the power amplifier antenna feeder (5) and filter Ripple device (4) connects.