CN102346259A - LBS (Location Based Services) positioning error adaptive calibration method based on GPS (Global Positioning System) - Google Patents

LBS (Location Based Services) positioning error adaptive calibration method based on GPS (Global Positioning System) Download PDF

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CN102346259A
CN102346259A CN 201010242539 CN201010242539A CN102346259A CN 102346259 A CN102346259 A CN 102346259A CN 201010242539 CN201010242539 CN 201010242539 CN 201010242539 A CN201010242539 A CN 201010242539A CN 102346259 A CN102346259 A CN 102346259A
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positioning
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method
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lbs
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奚伟祖
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奚伟祖
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Abstract

The invention relates to a method for raising LBS positioning precision, especially relating to an LBS position correlation service positioning error adaptive calibration method based on the GPS. According to the method, through adaptive error calibration with self-learning capability, an error which is artificially added on an electronic digital map of GPS positioning can be effectively eliminated.

Description

基于GPS全球定位系统的LBS位置相关服务定位误差自适 LBS location-related services based on GPS positioning error of adaptive global positioning system

应校准方法 Should calibration method

技术领域 FIELD

[0001] 本发明专利涉及一种如何提高LBS位置相关服务定位精度的方法,尤其是一种如何基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准方法。 [0001] The present invention patent relates to a method of how to improve the position-related service LBS positioning accuracy, in particular a LBS based on how the global positioning system GPS location services positioning error associated adaptive calibration method.

背景技术 Background technique

[0002] 目前民用GPS全球定位系统的精度在10米左右,但由于我国为了保证国家的安全在数字地图中对GPS全球定位系统进行了人为干扰的偏移,目前大约在100米左右,同时这种偏移是随机的,即有的地方有偏移,有的地方则没有偏移,这样就造成了基于GPS全球定位系统的LBS位置相关服务在定位上有很大的误差从而无法真正产生实用价值。 [0002] At present the accuracy of civilian GPS global positioning system is about 10 meters, but because of our country in order to ensure the country's security on the GPS global positioning system map in digital offset anthropogenic interference with the current of around 100 meters, and this kind of offset is random, that is offset in some places, in some places there is no offset, thus causing the LBS location-based GPS global positioning system-related services to large errors in the positioning and thus can not really produce practical value. 同时根据国家规定任何人都不准私自测绘和出版电子的或纸质的地图,因此目前基于GPS全球定位系统的电子数字地图也无法得到修正,只能使用国家规定的带偏差的数字电子地图。 At the same time according to state regulations forbid anyone without permission mapping and publishing of electronic or paper maps, so the current electronic digital map based on GPS global positioning system can not be corrected, can only be used with deviation of the provisions of national digital electronic map.

[0003] 此外,由于不同的3G手机自身在定位时所产生的误差,以及3G手机当时是否在移动,以及当时所获得的GPS全球定位系统定位的星的数量都将影响误差的大小。 [0003] In addition, errors due to different 3G mobile phones in positioning itself generated, and the number of stars in the 3G mobile phone was whether, and GPS global positioning system was obtained by positioning will affect the size of the error.

[0004] 所有这些都使LBS位置相关服务无法为用户提供真正有价值的与位置有关的服务。 [0004] All of this makes LBS location-related services can not provide real value associated with the location service for users.

发明内容 SUMMARY

[0005] 本发明的目的是为了克服上述缺点,提供一种使LBS位置相关服务可为用户提供真正有价值的与位置有关的服务的基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准方法。 [0005] The object of the present invention is to overcome the above drawbacks, provide an LBS location-related services can provide real value to users related to a location based service LBS GPS global positioning system location services positioning error associated adaptive calibration method.

[0006] 实现本发明目的的技术方案是:基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准方法,将基于GPS全球定位系统的电子数字地图中带误差的街道信息和真实的街道信息同时发送到远程的“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”,“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到带误差的街道信息和真实的街道信息后进行以下处理: [0006] The purpose of the present invention of are: LBS based on the global positioning system GPS location services positioning error associated adaptive calibration method, based on the information of the electronic digital street map GPS global positioning system with errors and true street information simultaneously to remote "based on the global positioning system GPS location related service LBS positioning error of the adaptive calibration system", "GPS global positioning system based on position-related service LBS positioning error of the adaptive calibration system" street information received with errors and the real streets of information following process:

[0007] 1)将基于GPS全球定位系统的电子数字地图中带有误差的街道信息转化为一种数字编码,这个数字编码可以是任意的数字组合;在产生数字编码时,如果这个带误差的街道信息在误差分布数据库表格中是第一次出现,则产生一个新的数字编码,如果该带误差的街道信息在误差分布数据库表格中已经存在了,则将其出现的次数加1 ; [0007] 1) The conversion of the electronic digital map GPS global positioning system based errors with street information as a digital code, the digital code can be any combination of numbers; in generating digital codes, if the error band street information in a database error distribution table is the first time, generating a new digital code, if the street information with errors in the error distribution table database already exists, then their occurrence plus 1;

[0008] 2)以真实的街道作为数据库表格字段的关键词,将新接收到的真实的街道,带误差的街道信息,由带有误差的街道信息转化而来的新数字编码或查找到的原有的数字编码和该数字编码在对应该新接收到的真实街道时重复出现的次数作为一条记录中的四个数据单元分别存储到误差分布数据库表格中的“真实街道字段”,“带误差的街道信息字段”, “数字编码字段”,“重复出现次数字段”; [0008] 2) In the real street database table field as a key, the newly received real street, street information with errors, a new digital code with street information converted from an error or to look and the original digital code in the digital coding of the number of times to be repeated when the newly received data unit four real street as a record of the error distribution are stored in the database table "real street field", "with errors street information field "," digital code field "," repetition number field ";

[0009] 3)如果在误差分布数据库表格中无法查找到有关此带误差的街道信息的记录,则发回给使用者一个信息,要求使用者将当前所在的真实街道名称,包括所在的道路和最靠近的相交道路的名称发送给“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”进行校准;“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到这个真实街道信息后,首先对先前接收到的带误差的街道信息进行数字编码, 然后以真实的街道作为数据库表格字段的关键词,将接收到的这个真实的街道,带误差的街道信息,和新产生的数字编码和该数字编码在对应该真实街道时重复出现的次数作为一条记录中的四个数据单元分别存储到误差分布数据库表格中的“真实街道字段”,“带误差的街道信息字段”,“数字编码字段”,“重复出现次 [0009] 3) If you can not find the record with street information about this error in the error distribution database table, then sent back to the user a message asking the user currently resides real street names, including road and where the name of the nearest intersecting roads sent to the "global positioning system based on GPS location-related services LBS positioning error adaptive calibration system" for calibration; "global positioning system based on GPS location-related services LBS positioning error adaptive calibration system" in the reception the street to the real information, street information of the first error with the previously received digitally encoded, and then the real street database table field as a key, the street information of the received real street, with errors, and the digitally encoded and digitally encoded in the memory of the newly generated number to be repeated when the real street as four data units are to record an error distribution table database "field real street", "street information with errors field "," digital coding field "," repeated times 数字段”;值得注意的是在这里对应该真实街道时重复出现的次数是1 ; Digital segment "; It is noteworthy that the number of times here should be repeated when the real streets are 1;

[0010] 在误差分布数据库表格中查找是否已经存在该带误差的街道信息,如果存在,则找到对应的数字编码,并进一步找到该编码对应的真实街道;如果该编码对应有多个真实的街道,则找出所有对应的真实街道;同时找出该编码在每个对应的真实街道中重复出现的次数;出现次数最多的那个真实街道将是针对带误差的街道信息进行误差校准后的街道。 [0010] lookup table in the database if an error distribution of the street information with errors already exists, if so, to find the corresponding digital code and further find the true street corresponding to the code; a plurality of transactions if the code corresponding to the streets , the corresponding true identify all streets; while identifying the number of encoded repeatedly appears in each corresponding real street; the number of occurrences of the most real street streets will be performed after the calibration error for the street information with errors.

[0011] 本发明具有积极的效果:(1)本发明通过提高LBS位置相关服务定位的精确度将极大地方便出行人群在一个陌生的地点附近可以非常方便地找到自己所需要的商店或服务;(2) LBS位置相关服务是移动电子商务的一个重要分支,与LBS位置相关服务相关的应用潜在的国内市场高达上千亿元每年。 [0011] The present invention has positive effects: (1) The present invention improve the accuracy of LBS location-related service location will greatly facilitate travel crowd at a location nearby a stranger can easily find shops or services they need; (2) LBS location-related services is an important branch of mobile e-commerce, LBS location-related services associated with the application potential of the domestic market of up to hundreds of billions each year.

附图说明 BRIEF DESCRIPTION

[0012] 为了使本发明的内容更容易被清楚地理解,下面根据具体实施例并结合附图,对本发明作进一步详细的说明,其中 [0012] In order to make the present invention more easily to be clearly understood, the following Examples depending on the particular embodiment and the accompanying drawings, the present invention will be further described in detail, wherein

[0013] 图1为本发明的误差分布数据库表格; Error present invention [0013] FIG 1 the distribution database table;

[0014] 图2为本发明的基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准的校准原理图; [0014] Location-based service LBS location-related GPS global positioning system calibration error adaptive calibration diagram of FIG. 2 of the present invention;

[0015] 图3为本发明的城市商业信息数据库表格; [0015] FIG urban commercial information database table 3 of the present invention;

[0016] 图4为本发明的基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准的服务原理框架性示意图。 Principle based service LBS schematic framework position of the GPS global positioning system positioning error related services adaptive calibration of [0016] FIG. 4 of the present invention.

具体实施方式 detailed description

[0017](实施例1) [0017] (Example 1)

[0018] 见图1至图4,首先建立一个误差分布数据库表格。 [0018] Figure 1 to Figure 4, first create an error distribution table database. 表格中有四个主要的字段,分别是“真实街道字段”,“带误差的街道信息字段”,“数字编码字段”,“重复出现次数字段”。 There are four main table fields are "real street field", "information field with the error streets", "Digital coding field", "repeated the number of fields."

[0019] 其中“带误差的街道信息字段”的格式为:带误差的街道信息字段2,带误差的街道信息字段......带误差的街道信息字段η。 [0019] wherein the "street information field with errors" in the format: street information field with errors of 2, street information field with errors ...... street information field with errors η.

[0020] 其中“数字编码字段”的格式为:数字编码字段1,,数字编码字段2,......数字 [0020] wherein "digitally encoded field" format: Field 1 ,, digital code digital code field 2, the digital ......

编码字段η。 Encoding field η.

[0021] 其中“重复出现次数字段”的格式为:重复出现次数字段1,重复出现次数字段2,......重复出现次数字段η。 [0021] wherein "repeated number field" format is: recurring number field 1, field 2 is repeated the number of times, repetition number field ...... η. [0022] 其中“带误差的街道信息字段1”,“数字编码字段1”,“重复出现次数字段1”为对应的第一组数据,而“带误差的街道信息字段n”,“数字编码字段n”,“重复出现次数字段η” 为对应的第η组数据。 [0022] wherein the "street information with errors field 1", "digital code field 1", "repetition number field 1" as data corresponding to a first set, and the "information field with errors street n", "digital code field n "," repetition number field η "first set of data corresponding to [eta].

[0023] 城市商业信息数据库表格中有二个主要的字段,分别是“真实街道信息”,“商业信肩、ο [0023] city commercial information database table has two major fields, namely "real street information", "business letter shoulder, ο

[0024] 其中真实街道信息又包括路名和靠近且相交的路名,其格式为:路名/靠近且相交的路名。 [0024] where the real street information including street names and turn near the intersection and road names in the format: name of road / intersection near and road names.

[0025] 其中商业信息又包括商业名称,主营范围,联系方式和所在的路名和靠近且相交的路名,其格式为:商业名称主营范围联系方式所在的路名和靠近且相交的路名, [0025] in which business information also includes business name, the main range, contact information and road names are located and near and intersecting road names in the format: street names, and near and intersecting road names trade names Main range Contact where ,

商业名称2@主营范围2@联系方式2@所在的路名和靠近且相交的路名......商业名称η@ Road name trade name @ 2 Main Range 2 @ Contact @ 2 and is located near the intersection and road names ...... trade names η @

主营范围η@联系方式浦所在的路名和靠近且相交的路名。 Main areas η @ street names and contact details are located near Pune and intersecting road names.

[0026] 校准时,在3G GPS全球定位系统手机上有个地理位置自校准功能程序,启动这个功能后,用户可以将当前所处的真实街道信息发送到“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”。 [0026] During calibration, self-calibration function has a geographic program, start this feature, users can send current information to which the real street on 3G GPS global positioning system, mobile phone, "LBS location-based GPS global positioning system related service positioning error adaptive calibration system. " 同时GPS全球定位系统手机自动根据当前的GPS全球定位系统定位从数字电子地图服务提供商哪里获得当前带有人为误差的街道信息,然后通过一个数据接口将此街道信息传送给地理位置自校准功能程序,而地理位置自校准功能程序在接收到这个街道信息后又自动将这个街道信息发送到“基于GPS全球定位系统的LBS 位置相关服务定位误差自适应校准系统”。 At the same time GPS Global Positioning System phone automatically according to the current GPS global positioning system to obtain information about the current streets with human error from digital electronic map where service provider, and then through the streets of this information a data transfer interface to the program location self-calibration function , while the self-calibration location automatically sends this street information in the received message and then to the street "based on the global positioning system GPS location related service LBS positioning error of the adaptive calibration system." “基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到带误差的街道信息和真实的街道信息后: "Based on GPS global positioning system location-related services LBS positioning error adaptive calibration system" after receiving the error with street information and authentic street information:

[0027] 1)将电子数字地图中带有GPS全球定位系统定位误差的街道信息转化为一种数字编码,这个数字编码可以是任意的数字组合。 [0027] 1) The electronic information is the digital map with streets positioning error GPS global positioning system into a digital code, the digital code can be any combination of numbers. 在产生数字编码时,如果这个带GPS全球定位系统定位误差的街道信息在误差分布数据库表格中是第一次出现,则产生一个新的数字编码,如果该带GPS全球定位系统定位误差的街道信息在数据库中已经存在了,则将其出现的次数加1。 In generating digital code, street information if the global positioning system with GPS positioning error in the error distribution database table is the first time, then generate a new digital encoding, if the positioning error of the street information with GPS global positioning system in the database already exists, then the number of times it appears plus one. 由于用户反馈回来的带有GPS全球定位系统误差的街道信息并不稳定,其所带的误差也时大时小,因此形成一个围绕着某个真实街道的反复出现的不同的数字编码, 同时这些围绕着某个真实的街道的不同的数字编码重复出现的次数也是不同的,而且由于误差的存在,同一个数字编码可能会对应不同的几个相邻的真实街道。 Because of user feedback information back to the streets with GPS global positioning system error is not stable, it also brought large error when small, thus forming around a different digital coding of a recurring real street, but these around a number of different digital coding of real street recurring it is different, and because of the error, the same digital code may correspond to different real several adjacent streets.

[0028] 2)以真实的街道作为数据库表格字段的关键词,将真实的街道,带误差的街道信息,由带有GPS全球定位系统定位误差的街道信息转化而来的数字编码和该数字编码在对应该真实街道时重复出现的次数作为一条记录中的四个数据单元分别存储到误差分布数据库表格中的“真实街道字段”,“带误差的街道信息字段”,“数字编码字段”,“重复出现次数字段”。 [0028] 2) In the real street database table field as a key, the real street, street information with errors, the street information with a GPS global positioning system positioning error and a conversion from the digital code encoded digital storing the number of times to be repeated when the real street as four data units are to record an error distribution table database "field real street", "street information field with errors", "digital code field", " number field "is repeated.

[0029] 使用时,在3G GPS全球定位系统手机上有个感知周边商业信息的程序,此程序将用户通过GPS全球定位系统定位从数字电子地图服务提供商哪里获得的带误差的街道信息发送给“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”: [0029] When in use, there is a perception surrounding business information program on 3G GPS global positioning system, mobile phone, this program will be the user through the GPS global positioning system information is sent with errors street where digital electronic map obtained from the service provider to locate "based on GPS global positioning system location-related services LBS positioning error adaptive calibration system":

[0030] 1) “基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到带误差的街道信息后首先在误差分布数据库表格中查找是否已经存在该信息,如果存在,则找到对应的数字编码,并进一步找到该编码对应的真实街道。 [0030] 1) "based on the global positioning system GPS location related service LBS positioning error of the adaptive calibration system" after receiving the first looks street information with errors in the error distribution table database information that already exists, if so, find the corresponding digital code, and further find the real streets corresponding to the code. 如果该编码对应有多个真实的街道,则找出所有对应的真实街道。 If the code corresponding to a plurality of real street, is to find all of the corresponding real streets. 找出该编码在每个对应的街道中重复出现的次数。 The repeated number of times to find encoded in each corresponding street. 出现次数最多的那个真实街道将是针对带误差的街道信息进行误差校准后的街道。 Most occurrences that will be true for street after street of street information with errors for the error calibration.

[0031] 2) “基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到带误差的街道信息后如果在误差分布数据库表格中无法查找到此信息有关的记录,则发回给使用者一个信息,要求使用者将当前所在的真实街道名称,包括所在的道路和最靠近的相交道路的名称发送给“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”进行校准。 [0031] 2) "LBS location-based GPS global positioning system positioning errors related services adaptive calibration system." If you can not find this error in the distribution of information in the database table records relating to the street after receiving information with an error, then the hair back to the user a message asking the user to the real name of the street you're on, including the name of the intersecting roads where the road and sent to the closest "global positioning system based on GPS location-related services LBS positioning error adaptive calibration system." calibration. “基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到这个新的带误差的街道信息和新的真实街道信息后,首先对带误差的街道信息进行编码,然后以真实的街道作为数据库表格字段的关键词,将真实的街道,带误差的街道信息,由带有GPS全球定位系统定位误差的街道信息转化而来的数字编码和该数字编码在对应该真实街道时重复出现的次数作为一条记录中的四个数据单元分别存储到误差分布数据库表格中的“真实街道字段”,“带误差的街道信息字段”,“数字编码字段”,“重复出现次数字段”。 "LBS Location GPS global positioning system positioning errors related services adaptive calibration system based on the" After receiving information about the new street with errors and new real street information, first street information is encoded with an error, then the real the streets as a key field of the database table, the real streets, with street information errors, transformed by the street information with GPS global positioning system positioning error from digital coding and the digital coding should be repeated when the real streets as the number of occurrences of the four data units are stored in a record of the error distribution table database "field real street", "street information field with errors", "digital code field", "repetition number field." 值得注意的是在这里重复出现的次数是1 ; It is noteworthy that the number of recurring here is 1;

[0032] 3)如何使用者发现获得的真实街道信息不准确,也可以将当前真实的街道信息发给“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”要求进行修正; [0032] 3) how users discover the true street to get the information is inaccurate, it can also present information to the real streets "location-based LBS services related to positioning GPS global positioning system error adaptive calibration system" requires correction;

[0033] “基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”一旦获得了真实的街道,则可以以真实的街道为关键词在城市商业信息数据库表格中找到对应的该街道上的所有的商业信息。 [0033] "LBS location-based service locator GPS global positioning system, adaptive calibration system error" Once the real streets, real streets you can find the corresponding keyword to the streets in the city on business information database table of all business information.

[0034] 以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Specific Example [0034] above, the objectives, technical solutions, and beneficial effects of the present invention will be further described in detail, it should be understood that the above descriptions are merely embodiments of the present invention, but not intended to limit the present invention, within the spirit and principle of the present invention, any modifications, equivalent replacements, improvements, etc., should be included within the scope of the present invention.

Claims (1)

  1. 1.基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准方法,其特征在于: 将基于GPS全球定位系统的电子数字地图中带误差的街道信息和真实的街道信息同时发送到远程的“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”,“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”在接收到带误差的街道信息和真实的街道信息后进行以下处理:1)将基于GPS全球定位系统的电子数字地图中带有误差的街道信息转化为一种数字编码,这个数字编码可以是任意的数字组合;在产生数字编码时,如果这个带误差的街道信息在误差分布数据库表格中是第一次出现,则产生一个新的数字编码,如果该带误差的街道信息在误差分布数据库表格中已经存在了,则将其出现的次数加1 ;2)以真实的街道作为数据库表格字段的关键词,将 1. The adaptive calibration position based LBS GPS global positioning system positioning error related services, characterized in that: the street information based on the electronic digital map GPS global positioning system with errors and true street information simultaneously transmitted to a remote " LBS location-based GPS global positioning system positioning errors related services adaptive calibration system "," location-based LBS GPS global positioning system positioning errors related services adaptive calibration system "after receiving the error with street information and authentic street information the following process: 1) converting the digital electronic map GPS global positioning system based errors with street information as a digital code, the digital code can be any combination of numbers; in generating digital codes, if the error band street information database error distribution table is the first time, generating a new digital code, if the street information with errors in the error distribution table database already exists, then it appears number plus 1; 2 ) based on real streets as a database table fields keyword, will 接收到的真实的街道,带误差的街道信息,由带有误差的街道信息转化而来的新数字编码或查找到的原有的数字编码和该数字编码在对应该新接收到的真实街道时重复出现的次数作为一条记录中的四个数据单元分别存储到误差分布数据库表格中的“真实街道字段”,“带误差的街道信息字段”,“数字编码字段”,“重复出现次数字段”;3)如果在误差分布数据库表格中无法查找到有关此带误差的街道信息的记录,则发回给使用者一个信息,要求使用者将当前所在的真实街道名称,包括所在的道路和最靠近的相交道路的名称发送给“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统”进行校准;“基于GPS全球定位系统的LBS位置相关服务定位误差自适应校准系统” 在接收到这个真实街道信息后,首先对先前接收到的带误差的街道信息 Receiving real street, street information with errors, a new digital code with street information converted from an error or to find the original digitally coded and this digital coding when real street should newly received repeated four times as the data units are stored in a record in the error distribution table database "field real street", "street information field with errors", "digital code field", "repetition number field"; 3) If you can not find the record with street information about this error in the error distribution database table, then sent back to the user a message asking the user currently resides real street names, including road and where the nearest name intersecting roads sent to the "global positioning system based on GPS location-related services LBS positioning error adaptive calibration system" for calibration; "global positioning system based on GPS location-related services LBS positioning error adaptive calibration system" in receiving this true after the street information, firstly the street information previously received with errors 行数字编码,然后以真实的街道作为数据库表格字段的关键词,将接收到的这个真实的街道,带误差的街道信息,和新产生的数字编码和该数字编码在对应该真实街道时重复出现的次数作为一条记录中的四个数据单元分别存储到误差分布数据库表格中的“真实街道字段”,“带误差的街道信息字段”,“数字编码字段”,“重复出现次数字段”;值得注意的是在这里对应该真实街道时重复出现的次数是1 ;在误差分布数据库表格中查找是否已经存在该带误差的街道信息,如果存在,则找到对应的数字编码,并进一步找到该编码对应的真实街道;如果该编码对应有多个真实的街道,则找出所有对应的真实街道;同时找出该编码在每个对应的真实街道中重复出现的次数;出现次数最多的那个真实街道将是针对带误差的街道信息进行误差校准后的街道。 Line digital code, then the real street database table as a key field in the received real this street, street information with errors, and the digital coding and digital codes newly generated on the real street should be repeated when as the number of four data units are stored in a record of the error distribution table database "field real street", "street information field with errors", "digital code field", "repetition number field appears"; noteworthy it is here for the number to be repeated when the real street is 1; find out if street information with errors already exists in the error distribution database table, if there is, then find the corresponding digital code, and further find the corresponding code real streets; if the code corresponding to a plurality of real street, is to find all of the corresponding real street; at the same time find out the number of times the coding is repeated in each corresponding real streets; the largest number of occurrences that will be the real streets street level after the calibration error for the street information with errors.
CN 201010242539 2010-08-02 2010-08-02 LBS (Location Based Services) positioning error adaptive calibration method based on GPS (Global Positioning System) CN102346259A (en)

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