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蜂窝网移动定位场强法的研究与应用

上传者:火锅鸡 |  格式:doc  |  页数:5 |  大小:1719KB

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ce s a met ho d to locat e t he po sitio n of mo bile t er mi nal i n cell ula 2 wo r k by u si ng si gnal t ra n smit ti ng mo del a nd locatio n al go rit h m . Fi r st , a mo re p reci se si gnal t ra n smit ti ng mo del i s e st a bli she d ba sed o n t he O k umura Hat a mo del a nd a lo t of mea sure me nt dat a . The n ,i n o r de r to de gra de t he di sa dva nt a geo u s i nf l ue nce of no n2li ne2of2si ght p rop a gatio n of ra dio wa ve o n locatio n p e rfo2 ma nce , a n i mp ro ved locatio n al go rit h m i s p re se nt e d ba sed o n t he PD F of si gnal st re ngt h a nd e sti matio n met ho d s ba sed o n ma xi mum li keli hoo d f uctio n .РKey words : Si gnal st re ngt h ; locatio n ; e sti matio n met ho d ba se d o n ma xi mum li keli hoo d f u nctio n ;Рcell ula wo r k

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