W. (mg dung nhu vey la jr tuong cho cac mpg cam bien khOng day S6 luqng clit lieu
3.4. Cic vi dy ung dyng dyng C2WSNs
Cac (mg ding dung nay dung m8 hInh diem-diem (hay m8 hinh sao), von cac lien kit y8 tuyen don vii giao thirc djnh tuyen tTnh. C2WSNs img ding trong dieu khien ti Ong cac tea nha, ding nghiep, y te, nai cu tri... Cac *ng ding gem dieu lchien anh sing, nhiet dO, an ninh, med tnamg, cam bien trong y khoa, dieu !chi& ter xa trong gia dlnh hay c8ng nghiep,...Nhieu (mg ding duqc xay ding theo chart IEEE 802.15.4 (Zigbee). Zigbee cung cAp ti twang tac va dip img duqc cac chic diem cite lien lac v8
Zigbee c6 the duqc xay dung trong nhieu mong kheng day yai gia thimh thip, tieu thu It deg suit nguen vai s6 luqng lon caic node. Chuin nay chink nhieu giao thitc, tic dO de lieu va tin s6 thich hqp ap dung ring rAi. Gies Zigbee va Bluetooth ye can ban c6 nhieu diem khac nhau va clang cho cac muc Bich (mg dung khac nhau. Zigbee duqc thiet ke cho mei trutmg c6 chu nhiem vp tap, dint' turin tinh hoc ding, nhieu node dug hoot d6ngk. Trong khi Bluetooth duqc thiet ke cho nheng (mg dung &A hOi chit luqng cao (QoS), chu nhiem vu thay dei, tic de de lieu vila phiti
va s6 node cc') gioi hon.
M6i cam bien c6 met b0 giao ding danh Wm be xir ly chfnh sau met khoimg thoi gian nhit (filth a sang chi de lam viec.
Trong hinh 2.4 du& day 11 slit so sainh 4 m(rc dO tieu thu Ming luqng mia chuin Bluetooth va Zigbee. C6 the they re ring thei gian sCr dung Wing luqng trong chuin Zigbee la dai han trong Bluetooth. Do dto he thing duqc thiet ke theo chuin Zigbee tieu thu it Wing luqng han so ytri Bluetooth.
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Denary Lie Mars)
Binh 3.4. Mar tieu thy nang hrcmg trong Bluetooth va Zigbee