CN205812405U

CN205812405U - A kind of LTE full system type pictorial integration positions micro-base station

Info

Publication number: CN205812405U
Application number: CN201620734406.7U
Authority: CN
Inventors: 陈剑雪
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2016-07-13
Filing date: 2016-07-13
Publication date: 2016-12-14
Anticipated expiration: 2026-07-13

Abstract

This utility model relates to a kind of LTE full system type pictorial integration and positions micro-base station, including double small district module (2) being sequentially connected with, Multiinputoutput radio-frequency module (3), power amplifier (4), cavity body filter (5) and antenna feeder (6), described double small district module (2) includes a SOC being integrated with TDD cell and FDD community, and described SOC is with being used for connecting the JSON data-interface of outside GUI control station (1).Compared with prior art, this utility model is directly supported dynamically to change frequency range and frequency in physical layer, it is achieved that multi-standard, multifrequency point coexist, and makes the integration of micro-base station, miniaturization, has good portability.

Description

A kind of LTE full system type pictorial integration positions micro-base station

Technical field

This utility model relates to a kind of mobile phone and positions micro-base station, especially relates to a kind of LTE full system type pictorial integration location micro- Base station.

Background technology

From the GSM epoch, location, 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, due to bandwidth, frequency range, existing to mobile phone Have higher requirement in location, field.The most domestic 4G cell phone positioning product, by technical limitations, is all that a frequency range one is sheathed Standby.CHINAUNICOM, 2 FDD (the Frequency Division Duplexing) frequency range of China Telecom, 3 of China Mobile TDD (Time Division Duplexing) frequency range, so for full system type pictorial, needs the different complete set of equipments of 5 frequency ranges Superposition just can complete full system type pictorial unconfined mobile phone scene positioning function.As a example by the mark post product that current police field is applied, Although having accomplished base band and radio frequency one piece of surface-mounted integrated circuit of synthesis, but still use very inconvenient.The most popular Position the base band of micro-base station, radio frequency and core network part to synthesize on one piece of veneer, by control, signal and the merit of special frequency channel Putting plate to be connected, the outer side joint antenna-feedback system (typically beam antenna) of power amplifier, the most whole cabinet leaves external notebook or electricity Brain, the GUI interface of mobile phone.

Current LTE location equipment, as it is shown in figure 1, industry user is generally reflected, only positions equipment such as the LTE of Fig. 1 at present One-segment can operate, and volume is relatively big, under the scene not knowing on-site target mobile phone admission situation, it is necessary to many complete equipments on band Guarantee locating effect (covers current domestic LTE mainstream carrier and needs 4～5 complete equipments), strongly limit in a lot of fields The use closed.

In addition to only supporting this shortcoming of one-segment, product the most on the market there is also amendment FCN in single frequency band, The shortcomings such as restarting equipment are needed after TAC.At unknown complicated scene, user needs to revise FCN (Frequency at any time Channel Number) and TAC (Tracking Area Code) value to catch up with locating cellphone as early as possible.Equipment is frequently restarted and is led Cause is delayed opportunity, often leads to location tasks failure.

Utility model content

Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and provide a kind of volume little, just The LTE full system type pictorial integration taken positions micro-base station.

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

A kind of LTE full system type pictorial integration positions micro-base station, it is characterised in that the double small district module that includes being sequentially connected with, many Input and output radio-frequency module, power amplifier, cavity body filter and antenna feeder, described double small district module includes that one is integrated with TDD cell and the SOC of FDD community, described SOC connects with the JSON data being used for connecting outside GUI control station Mouthful.

Described Multiinputoutput radio-frequency module includes the multifrequency point input/output terminal of 2～4 passages, between each frequency mutually Independent.

Described Multiinputoutput radio-frequency module uses AD9361 chip, is connected with double small district module by CPRI interface, And be connected with power amplifier by RF connection and control signal wire.

Described power amplifier is provided with multiple, connects one to one with the outfan of Multiinputoutput radio-frequency module, institute The cavity body filter stated is provided with multiple, connects one to one with power amplifier.

Multiple described power amplifiers tile on a heat sink side by side.

Described micro-base station also includes the GPS module being connected with the TDD cell in double small district module.

Compared with prior art, this utility model has the advantage that

(1), during TDD cell and FDD community are integrated in a SOC, SOC can connect outside GUI control station, Physical layer is directly supported dynamically to change frequency range and frequency, it is achieved that multi-standard, multifrequency point coexist, and makes micro-base station integrated, small-sized Change, there is good portability.

(2) Multiinputoutput radio-frequency module includes the multifrequency point input/output terminal of 2～4 passages, between each frequency the most solely Vertical, it is achieved the independent regulation of gain.

(3) Multiinputoutput radio-frequency module employing AD9361 chip, support multichannel, multiband concurrent efforts, and in the industry The most only support single channel, one-segment at present.

(4) power amplifier tiles on a heat sink side by side, it is considered to housing dispels the heat, it is achieved many power amplifiers work simultaneously Make, for initiating in the industry.

(5) micro-base station also includes GPS module, provides standard time clock alignment function can to the TDD cell of base band.

Accompanying drawing explanation

Fig. 1 is that the LTE of prior art positions device structure schematic diagram；

Fig. 2 is micro-architecture of base station schematic diagram of the present embodiment.

Detailed description of the invention

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

Embodiment

A kind of LTE full system type pictorial integration positions micro-base station, penetrates including the double small district module 2 being sequentially connected with, Multiinputoutput Frequency module 3, power amplifier 4, cavity body filter 5 and antenna feeder 6, double small district module 2 includes that one is integrated with TDD cell and FDD The SOC of community, SOC is with the JSON data-interface for connecting outside GUI control station 1.Baseband portion is in design On just consider the compatible unified demand of two kinds of standards of TDD and FDD, physical layer and dispatch layer are uniformly processed time slot encoding and decoding and tune Degree, then carries out different districts abstract at Access Layer, is managed by the mode of object logic, be achieved in that double small district Function.

Outside GUI control station 1 mainly a set of gui software based on Java exploitation under Windows, by network with double Community module 2 is connected, the control function relevant to realize business；Double small district module 2 is 8157SoC core based on Freescale Sheet, positions little base station at present and all uses the nest plate scheme of intel or Broadcom, and this utility model takes freescale SoC chip, and achieve FDD/TDD double small district wherein, for initiating in the industry；And for the service needed of location, at SoC Chip internal embeds the core net software that a height customizes；The physical layer of base band and core net software comply fully with 3GPP mark Accurate, it is ensured that the compatibility to TDD-LTE communications protocol.

Multiinputoutput radio-frequency module 3 includes the multifrequency point input/output terminal of 2～4 passages, separate between each frequency. Multiinputoutput radio-frequency module 3 uses AD9361 chip, is connected with double small district module 2 by CPRI interface, and by radio frequency even Wiring and control signal wire are connected with power amplifier 4.

Power amplifier 4 is provided with multiple, connects one to one with the outfan of Multiinputoutput radio-frequency module 3, it is provided that right The signal of power amplifier and control function, cavity body filter 5 is provided with multiple, by radio frequency line and power amplifier 4 one a pair Should connect, also be concurrently to work simultaneously.Multiple power amplifiers 4 tile on a heat sink side by side, and auxiliary is with fan cooling.According to Common demands in industry, the peak power of each power amplifier 4 is less than 20 watts.

Micro-base station also includes the GPS module 7 being connected with the TDD cell in double small district module 2, for little to the TDD of base band District provides standard time clock alignment function, uses the M6 module of UBLOX, by the GPS interface of gps signal line Yu double small district module 2 It is connected.

Antenna feeder 6 is the antenna-feedback system corresponding with each frequency range, mainly includes radio-frequency cable, omnidirectional or beam antenna.

Double small district can dynamically change frequency range and frequency in module 2 Zhong Liangge community, and be internally integrated relevant at CPU Core net.

After this utility model commercialization, mainly including the double small district baseband board supporting TDD, FDD standard, multiband input is defeated The power amplifier of the rf board gone out, Unified Power and size, supporting cavity body filter, the antenna-feedback system of wide-band, and Cross-platform client gui management system.This utility model uses above-mentioned module, it is possible to achieve special trade is various to full system type pictorial The on-the-spot positioning function of LTE mobile phone, can change frequency range and standard in real time, and volume is little according to field condition, easy to carry, is The practical innovative product of special trade inner position LTE mobile phone, has good social benefit.

Claims

1. a LTE full system type pictorial integration positions micro-base station, it is characterised in that double small district module (2) that includes being sequentially connected with, many Input and output radio-frequency module (3), power amplifier (4), cavity body filter (5) and antenna feeder (6), described double small district module (2) Including a SOC being integrated with TDD cell and FDD community, described SOC is with being used for connecting outside GUI control The JSON data-interface of platform (1).

A kind of LTE full system type pictorial integration the most according to claim 1 positions micro-base station, it is characterised in that described is how defeated Enter to export radio-frequency module (3) and include the multifrequency point input/output terminal of 2～4 passages, separate between each frequency.

A kind of LTE full system type pictorial integration the most according to claim 1 positions micro-base station, it is characterised in that described is how defeated Enter to export radio-frequency module (3) and use AD9361 chip, be connected with double small district module (2) by CPRI interface, and by radio frequency even Wiring and control signal wire are connected with power amplifier (4).

A kind of LTE full system type pictorial integration the most according to claim 2 positions micro-base station, it is characterised in that described power Amplifier (4) is provided with multiple, connects one to one with the outfan of Multiinputoutput radio-frequency module (3), described cavity filtering Device (5) is provided with multiple, connects one to one with power amplifier (4).

A kind of LTE full system type pictorial integration the most according to claim 4 positions micro-base station, it is characterised in that described in multiple Power amplifier (4) tiling side by side is on a heat sink.

A kind of LTE full system type pictorial integration the most according to claim 1 positions micro-base station, it is characterised in that described micro-base Stand the GPS module (7) also including being connected with the TDD cell in double small district module (2).