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1、Google基站定位获取位置描述信息上海富丰信息科技有限公司邓本涛Google提供了一个秘密的API接口，用来提供给用户做位置查询使用。基站定位、Wi-Fi定位、GPS定位都可以通过gearsGeolocationAPI来查询。GeolocationAPI接口使用HTTP协议，交互数据为json语法。1.发送数据向Google服务器请求的数据格式如下：{"version":"1.1.0","host":"maps.google.com","access_token":"2:k7j3G6LaL6u_lafw:4iXOeOpTh1glSXe","home_mobile_country_
2、code":310,"home_mobile_network_code":410,"radio_type":"gsm","carrier":"Vodafone","request_address":true,"address_language":"en_GB","location":{"latitude":51.0,"longitude":-0.1},"cell_towers":[{"cell_id":42,"location_area_code":415,"mobile_country_code":310,"mobile_network_code":410,"age":0,"si
3、gnal_strength":-60,"timing_advance":5555},{"cell_id":88,"location_area_code":415,"mobile_country_code":310,"mobile_network_code":580,"age":0,"signal_strength":-70,"timing_advance":7777}],"wifi_towers":[{"mac_address":"01-23-45-67-89-ab","signal_strength":8,"age":0},{"mac_address":"01-23-45-67-
4、89-ac","signal_strength":4,"age":0}]}这里我们主要介绍利用google的API接口做基站定位，其它的定位方式略过。如果只做基站定位，我们只需要提供基站的数据，通过http的post方式提供给google即可。此接口支持多小区上报。一次报多个小区，定位应该更精确一些。但是笔者测试下来，发现报多个小区和报一个小区拿到的位置信息是一样的，不知道google是如何处理多小区数据的。Post给google的数据必须严格按照上面提供的数据格式上报，不然google不认识。给出笔者c语言的实现代码：/******************************
5、**********************************************生成发往GOOGLE的JSON字串。***************************************************************************/voidffps_set_google_cell_id_position_url_str(kal_char*json){kal_chartemp1[10]={0};memset(temp1,0x00,sizeof(temp1));strcat(json,"{");strcat(json,""version
6、":"1.1.0",");strcat(json,""host":"maps.google.com",");strcat(json,""request_address":true,");if(strncmp(ffps_nw_cntx->plmn,(constchar*)"460",3)==0){strcat(json,""address_language":"zh-CN",");}else{strcat(json,""address_language":"en_GB",");}strcat(json,""cell_towers":[");str
7、cat(json,"{");sprintf(temp1,"%d",ffps_nw_cntx->cell_id);strcat(json,""cell_id":");strcat(json,temp1);/*CID*/strcat(json,",");memset(temp1,0x00,sizeof(temp1));sprintf(temp1,"%d",ffps_nw_cntx->lac);strcat(json,""location_area_code":")
