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Location Based Service Develop for more useful info.Collection about LBS And GPS Knowledge

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LBS

地理位置定位技术,并没有一个良好的开源实现,并在各大平台有不同程度的偏移量(不可预测)。为确保App在特定场景获取精确的LBS,而开发的一个系统

系统实现

整个系统分两部分,一为Android系统获取基站信息,二为后端通过某些算法(三边测量、三角定位等)进行计算,返回给客户端

GPS定位

基站定位

通过TelephonyManager 获取lac:mcc:mnc:cell-id(基站信息)的解释: *1. MCC,Mobile Country Code,移动国家代码(中国的为460); *2. MNC,Mobile Network Code,移动网络号码(中国移动为0,中国联通为1,中国电信为2); *3. LAC,Location Area Code,位置区域码; *4. CID,Cell Identity,基站编号; *5. BSSS,Base station signal strength,基站信号强度。

MCC参考(wiki)https://zh.wikipedia.org/wiki/%E8%A1%8C%E5%8B%95%E8%A3%9D%E7%BD%AE%E5%9C%8B%E5%AE%B6%E4%BB%A3%E7%A2%BC] 实现需要的数据:中国电信CDMA SID NID对应表\联通\移动

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