關於利用SIM908 工程模式中的cellid lac 引數值進行基站定位(Sim900和sim908不一樣,sim908沒有直接讀取基站定位資訊的指令)
通過AT+CENG指令獲取sim908模組返回的基站引數
//0-當前小區,1-6-鄰近小區
(第一次發生的命令AT+CENG)
+CENG:0,"0058,36,99,460(mcc),00(mnc),58(bsic),56cd(cellid22221),12,05,3361(lac),255"
+CENG:1,"0072(arfcn),10(rxl),43(bsic),278b(cellid),460(mcc),00(mnc),3339(lac)"
+CENG:2,"0062,06,20,50c1,460,00,3361"
+CENG:3,"0524,07,50,2b71,460,00,3339"
+CENG:4,"0070,10,52,27a7,460,00,3339"
+CENG:5,"0057,19,127,ffff,000,00,0"
+CENG:6,"0076,10,104,ffff,000,00,0"
(第二次發生的命令AT+CENG)
+CENG:0,"0058,38,99,460,00,58,56cd,12,05,3361,255"
+CENG:1,"0072,08,43,278b,460,00,3339"
+CENG:2,"0524,07,50,2b71,460,00,3339"
+CENG:3,"0070,10,52,27a7,460,00,3339"
+CENG:4,"0062,06,148,50c1,460,00,3361"
+CENG:5,"0057,17,127,ffff,000,00,0"
+CENG:6,"0076,11,104,ffff,000,00,0"
進行查詢得到基站的位置,這是我查詢的前幾個引數的影象
可以看到通過AT指令獲取的資訊中有其他衰減引數,我想可以通過這些資訊和演算法實現基站定位,接下來一步就是處理這些資訊得到儘可能準確的經緯度資訊。