CN103237349A - High-precision positioning system for local area - Google Patents

High-precision positioning system for local area Download PDF

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Publication number
CN103237349A
CN103237349A CN2013101793542A CN201310179354A CN103237349A CN 103237349 A CN103237349 A CN 103237349A CN 2013101793542 A CN2013101793542 A CN 2013101793542A CN 201310179354 A CN201310179354 A CN 201310179354A CN 103237349 A CN103237349 A CN 103237349A
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CN
China
Prior art keywords
system
positioning
terminal
base station
high
Prior art date
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CN2013101793542A
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Chinese (zh)
Inventor
高瑜翔
张望亨
林海
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成都位时通科技有限公司
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Priority to CN2013101793542A priority Critical patent/CN103237349A/en
Publication of CN103237349A publication Critical patent/CN103237349A/en

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Abstract

The invention discloses a high-precision positioning system for a local area. The high-precision positioning system comprises a transmitting base station system and a receiving and processing terminal system, wherein the transmitting base station system comprises four transmitting base stations and a base station control service system for controlling the four transmitting base stations; and the receiving and processing terminal comprises a positioning terminal module and an application service terminal. According to the high-precision positioning system disclosed by the invention, due to the adoption of the structure, the stability of positioning information can be ensured, and the high-precision meter-grade positioning is realized; and the high-precision positioning system can be used for displaying and storing position information and the like, so that the functions of the whole positioning system are more complete.

Description

一种局域高精度定位系统 One kind of local HiFix

技术领域 FIELD

[0001] 本发明涉及定位系统领域,具体是一种局域高精度定位系统。 [0001] The present invention relates to positioning systems, and in particular a high precision local positioning system.

背景技术 Background technique

[0002] 国内外目前的室外定位技术和应用基本上都依靠于GPS或北斗等全球卫星定位导航系统,而在室内定位方面基本都是基于无线电信号强弱衰减的方式来判定距离的原理。 [0002] The current domestic and international outdoor positioning technologies and applications such as basically rely on GPS or global positioning satellite navigation system Beidou, but the indoor positioning are basically based on the strength of the radio signal attenuation to determine the principles distance. 目前市场上常被用于定位系统无论是采用RFID、ZigBee,还是UWB,实现方式都是采用这个技术原理,而且因为无线电信号本身易受到干扰的固有缺陷,无法保证定位信息的稳定性以及这种方式很难提高定位精度。 Currently on the market is often used to locate system whether it is the use of RFID, ZigBee, or UWB, implementations are based on the technical principles, but also because of the inherent defects in the radio signal itself is vulnerable to interference, we can not guarantee the stability of the positioning information and such way is difficult to improve positioning accuracy.

发明内容 SUMMARY

[0003] 本发明提供了一种局域高精度定位系统,解决了以往的定位系统容易受信号干扰,无法保证定位信息的稳定性,同时也很难提高定位精度的问题。 [0003] The present invention provides a high precision local positioning system, solve the problem of the conventional positioning system susceptible to signal interference, we can not guarantee the stability of the positioning information, but it is difficult to improve the positioning accuracy.

[0004] 本发明为解决技术问题主要通过以下技术方案实现:一种局域高精度定位系统,包括发射基站系统和接收处理终端系统,所述发射基站系统包括四个发射基站以及控制该四个发射基站的基站控制服务系统。 [0004] The present invention is implemented to solve the technical problems by the following technical solutions: A local high-precision positioning system, comprising a base station system transmitting and reception processing terminal system, the system comprises a transmitting station and a base station controlling the four transmit four base station transmitting the control service.

[0005] 进一步地,所述接收处理终端系统包括定位终端模块和应用服务终端。 [0005] Further, the reception processing terminal system comprising a terminal positioning module and application service terminal. 定位终端模块主要实现信号的接收、处理、发射等;应用服务终端主要对定位终端模块的位置信息及其它通信信息进行综合处理。 Positioning terminal module mainly realizes the received signal, processing, transmitting; major application service terminal position information and other communication information to the positioning terminal module integrated process.

[0006] 进一步地,所述应用服务终端包括显示器和存储器。 [0006] Further, the application service terminal comprising a display and a memory. 应用服务终端可实现位置信息及其它通信信息的显示、存储。 Service terminal display application and location information may be implemented in other communication information is stored.

[0007] 进一步地,所述·定位终端模块包括接收前端单元、基带处理单元、定位解算单元和通信接口单元。 [0007] Furthermore, the positioning terminal-receiving module comprises a front end unit, a baseband processing unit, the positioning unit and the resolver communication interface unit. 接收前端单元主要对信号进行前期处理,为后面的信号处理提供所需的信号。 The front end unit receiving the signal pre-processing is mainly to provide signals required for the subsequent signal processing.

[0008] 进一步地,所述接收前端单元包括低噪声放大器、滤波器、混频器、中频放大器、A/D转换器。 [0008] Further, the receive front-end unit includes a low noise amplifier, filter, mixer, intermediate frequency amplifier, A / D converter. 经过低噪声放大、滤波、混频、中频放大、A/D转换后,信号即完成了从射频到中频的变换。 After low-noise amplifier, filter, mixer, intermediate frequency amplification, A / D conversion, the signal from the radio frequency to complete the conversion to intermediate frequency.

[0009] 进一步地,所述基带处理单元包括数字信号处理器。 [0009] Further, the baseband processing unit comprises a digital signal processor. 基带处理属于数字处理,实现信号的跟踪解调处理,从而获取定位导航信息。 It belongs to digital baseband processing, the tracking signal demodulation processing, thereby acquiring navigation information.

[0010] 本发明与现有技术相比具有以下优点和有益效果:本发明基于三球交会原理,采用地面四基站技术,不仅保证了定位信息的稳定性,同时也实现了米级高精度定位,并对位置信息进行显示、存储等,使整个定位系统功能更加完备。 [0010] The present invention as compared with the prior art has the following advantages and beneficial effects: the present invention is based on the principle of intersection of three balls, four base stations using terrestrial technology, not only to ensure the stability of the positioning information, but also to achieve high-precision positioning stage meter , and location information for display, storage, etc., so that the whole positioning system function more complete.

附图说明 BRIEF DESCRIPTION

[0011] 图1为本发明的整体结构示意图。 [0011] Fig 1 a schematic view of an overall configuration of the present invention. 具体实施方式 Detailed ways

[0012] 下面结合实施例对本发明作进一步的详细说明,但本发明的实施方式不限于此。 [0012] The following embodiments in conjunction with embodiments of the present invention will be further described in detail, but the embodiment of the present invention is not limited thereto.

[0013] 实施例: [0013] Example:

如图1所示,本实施例包括发射基站系统和接收处理终端系统,发射基站系统包括四个发射基站以及控制该四个发射基站的基站控制服务系统,四个发射基站的位置不一定要很固定,但是必须要同时覆盖一定距离范围内的一定区域。 1, the present embodiment includes a base station system transmitting and reception processing terminal system, the system comprising four transmitting base station transmitting a base station and a control station controlling the base station transmit four service systems, four positions of the transmitting base station is not necessarily fixed, but must at the same time cover an area within a certain distance range.

[0014] 作为优选,本实施例的接收处理终端系统包括定位终端模块和应用服务终端,定位终端模块主要实现信号的接收、处理、发射等,应用服务终端主要对定位终端模块的位置信息及其它通信信息进行综合处理。 [0014] Advantageously, the reception processing terminal system according to the present embodiment includes a positioning terminal module and the application service terminal, the positioning terminal main module receives the signal, processing, transmitting, etc., the location information of the application service terminal mainly positioning terminal modules and other integrated communication and information processing.

[0015] 作为优选,本实施例的应用服务终端包括显示器和存储器。 [0015] Advantageously, application service terminal according to the present embodiment includes a display and a memory. 应用服务终端可实现位置信息及其它通信信息的显示、存储。 Service terminal display application and location information may be implemented in other communication information is stored.

[0016] 作为优选,本实施例的定位终端模块包括接收前端单元、基带处理单元、定位解算单元和通信接口单元,接收前端单元主要对信号进行前期处理,为后面的信号处理提供所需的号。 [0016] Advantageously, the positioning terminal module of the present embodiment includes a receiver front-end unit, a baseband processing unit, the positioning unit and the resolver communication interface unit, the main unit front end receives the signal pre-processing, to provide the desired signal processing for the following number.

[0017] 作为优选,本实施例的接收前端单元包括低噪声放大器、滤波器、混频器、中频放大器、A/D转换器,经过低噪声放大、滤波、混频、中频放大、A/D转换后,信号即完成了从射频到中频的变换。 [0017] Preferably, the receive front-end unit of the present embodiment includes a low noise amplifier, filter, mixer, intermediate frequency amplifier, A / D converter, through the low noise amplification, filtering, mixing, IF amplifier, A / D after the conversion, the signal from the radio frequency to complete the conversion to intermediate frequency.

[0018] 作为优选,本实施例的基带处理单元包括数字信号处理器,基带处理属于数字处理,实现信号的跟踪解调处理,从而获取定位导航信息。 [0018] Advantageously, the baseband processing unit of this embodiment includes a digital signal processor, baseband digital processing belongs, to realize the tracking signal demodulation processing, thereby acquiring navigation information.

[0019] 本发明的工作原理:四个发射基站同步地发射自身的定位导航电文,每个发射基站在发射定位导航电文时,先将设计的电文进行一定的编码,生成为满足一定格式和速率要求的符号码,然后对其进行基带预处理和射频调制,再将射频调制信号通过功放和天线从四个基站发射出去形成相互关联的定位导航信号,定位终端模块接收到射频信号后,对信号进行低噪声放大、滤波、混频、中频放大、A/D转换,得到中频信号,然后再经数字处理、定位解算,最后通过通信接口将信号输出,应用服务终端对位置信息等进行定位、导航、显示、存储和交互等综合处理。 [0019] The working principle of the invention: four transmitting base station transmits its own navigation synchronization message, each transmitting base station when transmitting the navigation message, the first message designed for a certain code, generated as meet certain formats and rates after the required number of symbols, and then subjected to pre-processing and base band RF modulator, the RF modulator and then emitted signal formed interrelated navigation signals from the base station through four power amplifier and antenna, the positioning terminal module receives the radio frequency signal, the signal low-noise amplifies, filters, a mixer, an IF amplifier, A / D conversion, to obtain an intermediate frequency signal, and then digitally processed, position resolution, and finally outputs the signal, application service terminal position information positioned by a communication interface, navigation, display, storage and interactive comprehensive treatment.

[0020] 本发明已经通过上述实施例进行了说明,但应当理解的是,上述实施例只是用于举例和说明的目的,而非意在将本发明限制于所描述的实施例范围内。 [0020] The present invention has been described by the above embodiments, it should be understood that the above examples are only for purposes of illustration and description, and are not intended to limit the invention within the scope of the described embodiments. 此外,本领域技术人员可以理解的是,本发明并不局限于上述实施例,根据本发明的教导还可以做出更多种的变型和修改,这些变型和修改均落在本发明所要求保护的范围以内。 Moreover, those skilled in the art will be appreciated that the present invention is not limited to the above embodiment, in accordance with the teachings of the present invention may be made more of the variations and modifications, all such variations and modifications fall within the present invention as claimed within range.

Claims (6)

1.一种局域高精度定位系统,其特征在于:包括发射基站系统和接收处理终端系统,所述发射基站系统包括四个发射基站以及控制该四个发射基站的基站控制服务系统。 A local high-precision positioning system comprising: a base station system transmitting and reception processing terminal system, the system comprising a transmitting station and a base station control station four emission control system serving the four transmit base station.
2.根据权利要求1所述的一种局域高精度定位系统,其特征在于:所述接收处理终端系统包括定位终端模块和应用服务终端。 A local high-precision positioning system according to claim 1, wherein: said reception processing terminal system in the terminal module includes a positioning terminal and application services.
3.根据权利要求2所述的一种局域高精度定位系统,其特征在于:所述应用服务终端包括显示器和存储器。 A local high-precision positioning system according to claim 2, wherein: said application service terminal comprising a display and a memory.
4.根据权利要求2所述的一种局域高精度定位系统,其特征在于:所述定位终端模块包括接收前端单元、基带处理单元、定位解算单元和通信接口单元。 4. A member according to claim localized HiFix claim 2, wherein: the positioning terminal receiving module comprises a front end unit, a baseband processing unit, the positioning unit and the resolver communication interface unit.
5.根据权利要求4所述的一种局域高精度定位系统,其特征在于:所述接收前端单元包括低噪声放大器、滤波器、混频器、中频放大器、A/D转换器。 A local HiFix claimed in claim 4, wherein: said receiving means includes a front end low-noise amplifier, filter, mixer, intermediate frequency amplifier, A / D converter.
6.根据权利要求4所述的一种局域高精度定位系统,其特征在于:所述基带处理单元包括数字信号处理器。 A local HiFix claimed in claim 4, wherein: said baseband processing unit comprises a digital signal processor.
CN2013101793542A 2013-05-15 2013-05-15 High-precision positioning system for local area CN103237349A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030050077A1 (en) * 2001-09-07 2003-03-13 Denso Corporation Mobile communication terminal and method having calculated terminal position uncertainty check function
CN101384070A (en) * 2007-09-06 2009-03-11 大唐移动通信设备有限公司 Mobile terminal positioning method, device and system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030050077A1 (en) * 2001-09-07 2003-03-13 Denso Corporation Mobile communication terminal and method having calculated terminal position uncertainty check function
CN101384070A (en) * 2007-09-06 2009-03-11 大唐移动通信设备有限公司 Mobile terminal positioning method, device and system

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