W. (mg dung nhu vey la jr tuong cho cac mpg cam bien khOng day S6 luqng clit lieu
4.3.1.Cdc kfi dui& dinis tuyin
Thiet ke cic giao thac djnh tuyen cna mpg WSNs phai xem xet den ding suit vi tai nguyen hen chi cult node mpg, dic tinh thay del theo then gian cua kenh truyin ve tuyen va khi nang tre hay mat g6i. Nhieu giao thirc djnh tuyen da dugc dua ra.
Dong thin nhit li giao thtic danh cho kiln trfic mang phing trong do tat ci cac node xem nhu cling cap. Kien trac phing co nhieu Igi ich nhu tai thieu overhead de xay dung ha tang mang vi co khi Wing tim ra nhieu throng lien loc gift cac node vai sai se cho phep.
Dung thin hai dung trong mang co cAu talc tiet kiem Wing luqng, On djnh vi khi nang ma rang. Trong ding nay, cic node mong dugc sip Alp vao cic cluster, trong do mOt node co Hang luqng Ion nhat dung vai fro cluster head. Cluster head c6 frith nhiem phai hqp cac hoot dung gitta cac node trong cluster va chuyen thong tin gitta
cac cluster. Viec phan hooch gam nang luqng tieu thi vi keo chli thlii gian sang dui mong.
Dong thir ba dung data-centric a phan b6 yeu cau trong mong. Phuang phap duo tren thuOc tinh, 6 d6, mOt node ngu6n truy van den thuOc tinh cult mOt hien tuqng nio
de hon la met node cam bien rieng biet. Viec phan tan yeu cau ducc thuc hien bang
each phan nhiem vu cho cac node cam Wen vu djnh r8 mOt thuOc tinh rieng biet cho cac node. Cac kieu th8ng tin ce the dung nhu broadcasting, attribute-base multicasting, geo-casting vi anycasting.
Dong thin to dUng vi tri de chi ra mOt node cam bien. Dinh tuyen dila tree vi tri rat lieu ich cho cac ung dung ma vi tri ctla node trong mOt vt1ng dja ljr c6 the duqc hoi
Uri node ngu6n. Yeu ciu nhu the c6 the djnh rO yang nio da ma cac hien ttrqng quan
tam co the xay ra hay Ian can yeti diem dac Wet nio d6 trong yang hoot Ong ciut mong.