M悦"vjw壱v"Gpgti{"jctxguvkpi"8逢嬰e"u穎"f映pi"t瓜pi"t«k"vtqpi"YUP"x噂k"o映e"8 ej"ej pj" n "ikc"v<pi"vj運k"ikcp"u嘘pị"vj運k"ikcp"jq衣v"8瓜pi"ejq"pqfg"o衣pi"vtqpi"YUP0"X噂k"o映e"8 ej" p {."m悦"vjw壱v"Gpgti{"jctxguvkpi"e pi"8欝pi"vj運k"ik違k"sw{院v"x医p"8隠"ik噂k"j衣p"vj運k"ikcp"jq衣v" 8瓜pi"e栄c"eƒe"pqfg"o衣pi"x·"eƒe"pqfg"o衣pi"vtqpi"YUP"e„"eƒe"8員e"8k吋o"o "荏"8„"{‒w"e亥w"
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x隠"xk羽e"ik違k"sw{院v"p<pi"n逢嬰pi"jq衣v"8瓜pi"n "o瓜v"vtqpi"pj英pi"x医p"8隠"d泳e"vjk院v0"O瓜v"x k" 8員e"8k吋o"e栄c"pqfg"o衣pi"YUP"o "8”k"j臼k"rj違k"e„"e挨"ej院"sw違p"n#"p<pi"n逢嬰pi"x "ewpi" e医r"p<pi"n逢嬰pi"pqfg"o衣pi<
- Node m衣pi"8逢嬰c thi院t k院 nh臼 g丑p."8逢嬰c tri吋p"mjck"8瓜c l壱p 荏 nhi隠w"o»k"vt逢運ng
mjƒe"pjcw"x "vj逢運ng không có ngu欝p"n逢噂k"8k羽n h厩 tr嬰p<pi"n逢嬰ng ho衣v"8瓜ng. - Ngu欝p"dcvvgt{"8k"mflo"pqfg"o衣pi"n "rkp"vj逢運ng luôn có gi噂i h衣n nh医v"8鵜nh v隠
th運i gian s穎 d映ng và ngu欝p"p<pi"n逢嬰ng có th吋 cung c医p.
- H羽 th嘘ng WSN khi tri吋p"mjck"nw»p"8”k"j臼i th運i gian ho衣v"8瓜ng dài, ít thay pin vì s嘘n逢嬰ng node m衣pi"pi {"e pi"ikc"v<pi"*j pi"vt<ọ"j pi"pi p"pqfg"o衣ng) nên vi羽c b違o trì b茨ng vi羽c thay pin là m瓜t vi羽c h院t s泳c phi隠n hà.
- A”k"j臼i có kh違p<pi"u衣c l衣i pin, tích tr英p<pi"n逢嬰ng b茨ng ngu欝p"p<pi"n逢嬰ng t詠 nhiên. D鰯pi"xk羽e"泳pi"f映pi"gpgti{"jctxguvkpi"x q"vtqpi"YUP."m院v"j嬰r"mj違"p<pi"u衣e"n衣k"e栄c" eƒe"piw欝p"dcvvgt{"vj·"vj運k"ikcp"u嘘pị"jq衣v"8瓜pi"e栄c"j羽"vj嘘pi"e„"vj吋"mfiq"f k"n‒p"8院p"32\37" p<o0"X "f映"x噂k"PkOJ"dcvvgt{"p院w"8逢嬰e"u衣e"vj逢運pi"zw{‒p"vj·"e„"vj吋"jq衣v"8瓜pi"8院p"35" p<o0 Fq"8„."eƒe"j羽"vj嘘pi"pqfg"YUP"jk羽p"pc{"vj逢運pi"8逢嬰e"vtcpi"d鵜"d瓜"rj壱p"sw違p"n#"pj逢" sau:
64
Hình 4-6 O»"j·pj"oqfwng"swＶp"n#"p<pi"n⇔ぢpi"xずk"Gpgti{"jctxguvkpi
4.2.3 H羽 th嘘ng Energy Neutral
O瓜v"pqfg"o衣pi"8逢嬰e"i丑k"n "gpgti{"jctxguvkpi"pqfg"mjk"p„"e„"mj違"p<pi"vjw"vj壱r" p<pi"n逢嬰pi"v瑛"8k隠w"mk羽p"o»k"vt逢運pi"v詠"pjk‒p"8吋"rj映e"x映"ejq"jq衣v"8瓜pi"e栄c"p„0"A員e"8k吋o" nw»p"8逢嬰e"8隠e壱r"mjk"p„k"8院p"m悦"vjw壱v"gpgti{"jctxguvkpi"n "mj違"p<pi"v衣q"tc"piw欝p"p<pi" n逢嬰pi"vk隠o"p<pi"mj»pi"ik噂k"j衣p"d荏k"piw欝p"p<pi"n逢嬰pi"8逢嬰e"t¿v"vt ej"v瑛"v詠"pjk‒p0"O瓜v" o衣pi"dcq"i欝o"eƒe"gpgti{"jctxguvkpi"pqfg"8逢嬰e"zgo"pj逢"n "o瓜v"jctxguvkpi"pgvyqtm0"
Các energy harvestkpi"pqfg"vtqpi"jctxguvkpi"pgvyqtm"e„"vj吋"e„"épi"jq員e"mjƒe"pjcw"x隠" m悦"vjw壱v"vjw"vj壱r"p<pi"n逢嬰pị"8k隠w"mk羽p"jq員e"8嘘k"v逢嬰pi"f́pi"8吋"vjw"vj壱r"p<pi"n逢嬰pi0
[27]
O映e"vk‒w"o荏"t瓜pi"vj運k"ikcp"u嘘pị"jq衣v"8瓜pi"e栄c"j羽"vj嘘pi"n "o瓜v"vtqpi"pj英pi"t pi" dw瓜e"x隠"jk羽w"uw医v"o m悦"vjw壱v"gpgti{"jctxguvkpi"8衣v"8逢嬰e0"Vtqpi"gpgti{"jctxguvkpi"pqfg." o瓜v"ej院"8瓜"u穎"f映pi"vj»pi"vj逢運pi"n "u穎"f映pi"piw欝p"p<pi"n逢嬰pi"vjw"vj壱r"8逢嬰e"pj逢"n " piw欝p"p<pi"n逢嬰pi"ewpi"e医r"ejq"dcvvgt{."o映e"vk‒w"sw違p"n#"p<pi"n逢嬰pi"e„"vj吋"n o"e詠e"8衣k" j„c"vj運k"ikcp"u嘘pị"jq衣v"8瓜pi"e栄c"pqfg"o衣pi0"Vtqpi"vt逢運pi"j嬰r"e栄c"jctxguvkpi"pqfgụ" piq k"o映e"8 ej"u穎"f映pi"荏"vt‒p."p<pi"n逢嬰pi"vjw"vj壱r"8逢嬰e"e”p"8逢嬰e"u穎"f映pi"x噂k"o瓜v"v亥p"
65
uw医v"rj́"j嬰r"ucq"ejq"j羽"vj嘘pi"e„"vj吋"jq衣v"8瓜pi"o«k"o«k."ej院"8瓜"p {"i丑k"n "ej院"8瓜"jq衣v" 8瓜pi" gpgti{" pgwvtcn<" o瓜v" jctxguvkpi" pqfg" 8逢嬰e" i丑k" n " 8衣v" ej院" 8瓜" jq衣v" 8瓜pi" gpgti{" pgwvtcn"mjk"o瓜v"o泳e"8瓜"x隠"jk羽w"p<pi"oqpi"ow嘘p"8逢嬰e"j厩"vt嬰"o瓜v"eƒej"o«k"o«k0
Vtqpi"ej院"8瓜"p {."vjk院v"m院"d瓜"sw違p"n#"p<pi"n逢嬰pi"e„"jck"x医p"8隠"e亥p"zgo"zfiv"n <
- Gpgti{"Pgwvtcn"Qrgtcvkqp<"n o"ucq"8吋 ch院8瓜 ho衣v"8瓜ng Energy Neutral luôn
8衣v"8逢嬰c tr衣ng thái có m泳e"p<pi"n逢嬰ng tiêu th映 v"j挨p"o泳e"p<pi"n逢嬰pi"8逢嬰c thu th壱p?
- Oczkowo"Rgthqtocpeg<"Vtqpi"mjk"8違m b違o ch院8瓜 ho衣v"8瓜ng energy neutral, m泳c hi羽w"p<pi"v嘘k"8c"p q"e„"vj吋8逢嬰c h厩 tr嬰 vtqpi"8k隠u ki羽p"o»k"vt逢運ng thu th壱r"p<pi"n逢嬰ng nh医v"8鵜nh?
4.2.3.1 V医p"8隠 thi院t k院 h羽 th嘘ng thu th壱r"p<pi"n逢嬰ng (Harvesting System) trong WSN
Vtqpi"x医p"8隠"vjk院v"m院"rj亥p"e泳pi"jc{"vjk院v"m院"j羽"vj嘘pi"vjw vj壱r"p<pi"n逢嬰pi"vj·"e„" jck"x医p"8隠"p鰻k"e瓜o"*e pi"e„"vj吋"eqk"n "o映e"vk‒w"e栄c"vjk院v"m院+"n "jk羽w"sw違"x隠"p<pi"n逢嬰pi" x "o泳e"8瓜"vkp"e壱{"e栄c"j羽"vj嘘pi0"Pj英pi"t pi"dw瓜e"x隠"m ej"vj逢噂e"pqfg"o衣pi"8逢嬰e"vtk吋p" mjck"x "ejk"rj "u違p"zw医v."vtk吋p"mjck"n "pj英pi"vj»pi"u嘘"8ƒpi"swcp"v¤o"vtqpi"xk羽e"vjk院v"m院" tc"8逢嬰e"o瓜v"j羽"vj嘘pi"e„"p<pi"n逢嬰pi"jk羽w"sw違"ej医r"pj壱p"8逢嬰e"ejq"vq p"j羽"vj嘘pi"pqfg" o衣pi0"X "8瓜"vkp"e壱{"vtqpi"vjk院v"m院"n "{院w"v嘘"j院v"u泳e"swcp"vt丑pi"x·"p院w"e„"d医v"m "vt映e"vt員e" pj臼"p q"e pi"e„"vj吋"f磯p"8院p"xk羽e"pqfg"o衣pi"o医v"8k"piw欝pp<pi"n逢嬰pi"8吋"jq衣v"8瓜pị"j羽" n映{"n "vq p"pqfg"o衣pi"u胤"d鵜"vtgq."f瑛pi"n衣k."jq員e"z医w"j挨pp英c"n "pqfg"o衣pi"u胤"d鵜"j逢"j臼pị" x "x医p"8隠"u胤"8逢嬰e"o荏"t瓜pi"n "vq p"j羽"vj嘘pi"u穎"f映pi"épi"o瓜v"p隠p"v違pi"x "m悦"vjw壱v"pj逢" x壱{"u胤"d鵜"v‒"nk羽v."mj»pi"jq衣v"8瓜pi"8逢嬰e"p英c0
O瓜v"u嘘"8員e"8k吋o"vtqpi"vjk院v"m院"rj違k"v嘘k"逢w"8吋"8衣v"8逢嬰e"jk羽w"sw違"v嘘v"pj医v"vtqpi"j羽" vj嘘pi"vjw"vj壱r"p<pi"n逢嬰pi<
- T嘘k"逢w"j„c"mj違p<pi"ejw{吋p"8鰻k"p<pi"n逢嬰ng thu th壱r"8逢嬰c: b瓜 ph壱n chuy吋n
8鰻k"p<pi"n逢嬰ng, ti院r"8k吋o"8吋 chuy吋p"ikcq"p<pi"n逢嬰ng t瑛 b瓜 thu th壱r"p<pi" n逢嬰ng sang t違i tiêu th映 ho員e"8k吋o"n逢w"vt英p<pi"n逢嬰ng ph違i t嘘t.
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- Gi違m thi吋u rò r雨 8k羽p"p<pi"vt‒p"d瓜 ph壱p"n逢w"vt英 p<pi"n逢嬰ng
- M衣ej"8k隠u khi吋p"x "8q"8衣t: m衣ej"8k隠u khi吋n này qu違n lý vi羽e"n逢w"vt英p<pi" n逢嬰pị"8鵜nh tuy院p"f”pi"p<pi"n逢嬰pi"8院n các t違i tiêu th映 ho員e"8院p"8k吋o"n逢w tr英
m瓜t cách hi羽u qu違0"Ak隠w"p {"e pi"8”k"j臼i m衣ej"8k隠u khi吋n ph違k"8逢嬰c thi院t k院 cp"vq p"x "e„"8瓜 tin c壱y caọ Ngoài ra, m衣ej"8k隠u khi吋p"p {"e pi"8”k"j臼i ph違i linh ho衣v"vtqpi"8k隠u khi吋n, t泳c là kh違8k隠u khi吋n trong quá trình ho衣v"8瓜ng, có kh違p<pi"vƒk"e医u hình ho員c linh ho衣t ch雨nh ch院8瓜 ho衣v"8瓜ng trong nh英ng
67
Ej逢挨pi"70 Hi羽n th詠c h羽 th嘘ng và k院t qu違 5.1 Gi噂i thi羽u h羽 th嘘ng
Yktgnguu"Ugpuqt"Pgvyqtm"dcq"i欝o"t医v"pjk隠w"eƒe"pqfg"mj»pi"f¤{"8逢嬰e"vtk吋p"mjck"荏" pj英pi"p挨k"eƒej"zc"pjcw"x "f英"nk羽w"vjw"vj壱r"v瑛"eƒe"pqfg"o衣pi"p {"u胤"8逢嬰e"vtw{隠p"x隠"vt衣o" i嘘e"*dcug"uvcvkqp+"vj»pi"swc"ikcq"vk院r"TH [24]0"Pjk隠w"nq衣k"e違o"dk院p"pj逢"8瓜pi"8医v."v瑛" vt逢運pị"pjk羽v"8瓜."j·pj"違pj."j欝pi"piq衣k"x "¤o"vjcpj"ewpi"e医r ejq"t医v"pjk隠w"泳pi"f映pi"
giám sát."vjw"vj壱r"f英"nk羽w."8k隠w"mjk吋p"v詠"8瓜pi"pj逢"pj "vj»pi"okpj."v詠"8瓜pi"j„c"vtqpi" e»pi"pijk羽r."ej<o"u„e"d羽pj"pj¤p0"Vw{"pjk‒p."ik噂k"j衣p"x隠"p<pi"n逢嬰pi"vtqpi"eƒe"piw欝p" p<pi"n逢嬰pin逢w"vt英"dcvvgt{"mj»pi"vj吋"8違o"d違q"ejq"xk羽e"jq衣v"8瓜pi"n¤w"f k"e栄c"pqfg"o衣pi" 8逢嬰e"u穎"f映pi"vtqpi"eƒe"泳pi"f映pi0"X "pj逢"vj院"eƒe"piw欝p"p<pi"n逢嬰pi"zwpi"swcpj"8逢嬰e" vjw"vj壱r"e pi"pjk隠w"e pi"v嘘v."ucq"ejq"8衣v"8逢嬰e"o映e"vk‒w"荏"mj c"e衣pj"n#"v逢荏pi"n "o荏"t瓜pi" vj運k"ikcp"u嘘pị"vj運k"ikcp"jq衣v"8瓜pi"e栄c"pqfg"o衣pi"o瓜v"eƒej"x»"j衣p0[25][26][27]
A嘘k"x噂k"pj英pi"YUP"jq衣v"8瓜pi"8逢嬰e"e医r"p<pi"n逢嬰pi"v瑛"dcvvgt{."vj·"o映e"vk‒w"ej pj" e栄c"d瓜"sw違p"n#"p<pi"n逢嬰pi"*RO"Î Rqygt"Ocpcigt+"n "e詠e"vk吋w"j„c"p<pi"n逢嬰pi"vk‒w"vj映" x "fq"8„."e詠e"8衣k"j„c"vj運k ikcp"u嘘pi"e栄c"j羽"vj嘘pi0"Vtqpi"eƒe"YUP"u穎"f映pi"m悦"vjw壱v" jctxguvkpị"RO"vj ej"pijk"x噂k"p<pi"n逢嬰pi"vk‒w"vj映"vjgq"o泳e"p<pi"n逢嬰pi"vjw"vj壱r"8逢嬰e" v瑛"piw欝p"p<pi"n逢嬰pi"e栄c"8k隠w"mk羽p"o»k"vt逢運pi0""A嘘k"x噂k"eƒe"j羽"vj嘘pi"v詠"8瓜pị"RO"e嘘" i逸pi"8違o"d違q"p<pi"n逢嬰pi"vk‒w"vj映"d茨pi"x噂k"p<pi"n逢嬰pi"8逢嬰e"vjw"vj壱r"vjgq"vj運k"ikcp0" Ak隠w"p {"f磯p"8院p"vt衣pi"vjƒk"jq衣v"8瓜pi"Gpgti{"Pgwvtcn"*Gpgti{"Pgwvtcn"Qrgtcvkqp"- ENO) [27] x噂k"oqpi"ow嘘p"n#"v逢荏pi"n "vj運k"ikcp"u嘘pị"jq衣v"8瓜pi"n "x»"j衣p"vtqpi"eƒe"YUPu" f衣pi"jctxguvkpi0"Adaptive duty cycle (v衣o"f鵜ej"n "ejw"m "pjk羽o"x映"e„"v pj"vj ej"泳pi+"n " o瓜v"m悦"vjw壱v"rj鰻"dk院p"vj»pi"f映pi"vtqpi"xk羽e"sw違p"n#"p<pi"n逢嬰pi"e栄c"RO [27][30][31]. M悦"vjw壱v"p {"mj»pi"8”k"j臼k"vjk院v"m院"rj泳e"v衣r"x·"eƒe"vj pj"rj亥p"rj亥p"e泳pi"8«"j厩"vt嬰"ej院" 8瓜"unggrkpi"8吋"ik違o"vjk吋w"p<pi"n逢嬰pi"vk‒w"vj映0"J挨p"p英c."RO"x噂k"cfcrvkxg"fwv{"e{eng" 8逢嬰e"f́pi"8吋"8k隠w"mjk吋p"eƒe"jq衣v"8瓜pi"e栄c"vjk院v"d鵜"tcfkq"*vtcpuegkxgt"fgxkeg1"vtcpuegkxgt" oqfwng+"*8逢嬰e"vj詠e"jk羽p"ej栄"{院w"荏"n噂r"OCE+."p挨k"o "u詠"vk‒w"vj映"p<pi"n逢嬰pi"ej栄"{院w" fk宇p"tc"vtqpi"eƒe"泳pi"f映pi"YUPu0[32][33]
68
A隠"v k"p {"v壱rvtwpi"pijk‒p"e泳w"d瓜"rj壱p"sw違p"n#"p<pi"n逢嬰pi"x "x医p"8隠"vj ej"pijk" p<pi"n逢嬰pi"vt‒p"o»"j·pj"p<pi"n逢嬰pi"8逢嬰e"8隠"pij鵜."d瓜"rj壱p"sw違p"n#"p<pi"n逢嬰pi"v鰻pi"RO" ejq"uk‒w"v映"*o瓜v"nq衣k"dwfigv"gpgti{+"f詠c"vt‒p"eƒe"YUP"f衣pi"gpgti{"jctxguvkpi"8逢嬰e"8隠"
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5.2 Các nghiên c泳w"nk‒p"swcp"vt逢噂e"8¤{
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cƒe"o磯w"8q"vt逢噂e"8„0"V鰻pi"vj運k"ikcp"eƒe"ejw"m "e„"vj吋"8逢嬰e"ejkc"vj pj"eƒe"mjg"vj運k"ikcp" e„"épi"ejk隠w"f k"vj運k"ikcp"*x "f映"52"rj¿v+"x "u詠"v pj"vqƒp"vj ej"泳pi"8逢嬰e"vj詠e"jk羽p"v衣k" ew嘘k"o厩k"mjg"vj運k"ikcp0"A吋"8違o"d違q"8逢嬰e"xk羽e"8衣v"ej院"8瓜"GPQ."p<pi"n逢嬰pi"vj瑛c"*rj亥p" p<pi"n逢嬰pi"ej‒pj"n羽ej"ik英c"p<pi"n逢嬰pi"vjw"vj壱r"8逢嬰e"x "p<pi"n逢嬰pi"vk‒w"vj映"vj詠e"e栄c" j羽"vj嘘pi+"e栄c"pj英pi"mjg"vj運k"ikcp"vt逢噂e"8„"8逢嬰e"f́pi"8吋"vkpj"ej雨pj"ejw"m "jq衣v"8瓜pi" vtqpi"pj英pi"mjg"vj運k"ikcp"vk院r"vjgq0"Vw{"pjk‒p."vtqpi"pijk‒p"e泳w"e栄c"j丑."e„"o瓜v"ik違"8鵜pj"
69
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nhau trong eƒe"YUPu"f衣pi"gpgti{"jctxguvkpi"pj逢"mj違"p<pi"vj ej"泳pi"e栄c"v嘘e"8瓜"e違o" dk院p"jq員e"v嘘k"v逢w"u詠"vtw{"zw医v"d瓜"pj噂"e映e"d瓜0"Vtqpi"rj逢挨pi"rjƒr"e栄c"j丑."d瓜"sw違p"n#" p<pi"n逢嬰pi"RO"8逢嬰e"vj詠e"vjk"vjgq"ejw"m "vtqpi"v瑛pi"mjg"vj運k"ikcp"o "o映e"vk‒w"n "e詠e" 8衣k"j„c"eƒe"ejw"m jq衣v"8瓜pi"pj臼"pj医v"x逢嬰v"swc"o瓜v"mjq違pi"vj運k"ikcp"pj医v"8鵜pj0"A瓜"f k" e栄c"o厩k"mjq違pi"vj運k"ikcp"8逢嬰e"ik違o"zw嘘pi"32"rj¿v"8吋"ewpi"e医r"mj違"p<pi"vj ej"泳pi"v嘘v" j挨p0"Vw{"pjk‒p."o»"j·pj"e栄c"j丑"8逢嬰e"o»"rj臼pi"vt‒p"OCVNCD"x噂k"e挨"u荏"f英"nk羽w"x隠" p<pi"n逢嬰pi"vjw"vj壱r"8逢嬰e"n "v pj"*qhhnkpg+0"O瓜v"d瓜"ikƒo"uƒv"p<pi"n逢嬰pi"ewpi"e医r"eƒe"
thông tin x隠"p<pi"n逢嬰pi"vjw"vj壱r"n "mj»pi"8栄0"J挨p"p英c."d瓜"sw違p"n#"p<pi"n逢嬰pi"RO"vj詠e" jk羽p"eƒe"sw{院v"8鵜pj"f詠c"vt‒p"p<pi"n逢嬰pi"f詠"8qƒp"vjw"vj壱r"8逢嬰e"e栄c"pjk隠w"mjg"vj運k"ikcp" vk院r"vjgq"n "mjƒ"rj泳e"v衣r"8吋"e„"vj吋"jk羽p"vj詠e"8逢嬰e"o瓜v"p隠p"v違pi"YUP"vj詠e"v院"pj逢"x壱{0
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5.3 Ki院n trúc t鰻ng quát cho Energy harvesting WSNs
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70 Hình 5-1 Mkｘp"vt¿e"vごpi"swƒv"eてc"gpgti{"jctxguvkpi"YUP"8ｚ"pijお P<pi"n逢嬰pi"o»k"vt逢運pi"8逢嬰e"j逢噂pi"8院p"vjw"vj壱r"dcq"i欝o"pjk隠w"nq衣k"vjw"vj壱r"p<pi" n逢嬰pi"mjƒe"pjcw"pj逢"p<pi"n逢嬰pi"o員v"vt運k"*RX"- RjqvqXqnvcke+."p<pi"n逢嬰pi"pjk羽v"*vjgtocn" generator Î VGI+"jq員e"p<pi"n逢嬰pi"ej医p"8瓜pi1"twpi"*rkg¦qgngevtqpke+0"P<pi"n逢嬰pi"vjw" vj壱r"8逢嬰e"ejw育p"j„c"d荏k"d瓜"p逸p"p<pi"n逢嬰pi"*gpgti{"cfcrvgt+"x "ucw"8„"8逢嬰e"8k隠w"mjk吋p" d荏k"o瓜v"d瓜"8k隠w"mjk吋p"f”pi"p<pi"n逢嬰pi"8吋"vj臼c"o«p"jck"o映e"vk‒w"8隠"tc"vtqpi"gpgti{" jctxguvkpi"YUP0"Mjk"p<pi"n逢嬰pi"vjw"vj壱r"8逢嬰e"n噂p"j挨p"p<pi"n逢嬰pi"vk‒w"vj映"vtqpi"j羽" vj嘘pị"vj·"p<pi"n逢嬰pi"f逢"tc"u胤"8逢嬰e"p衣r"x q"vjk院v"d鵜"n逢w"vt英0"Pi逢嬰e"n衣k."mjk"p<pi"n逢嬰pi" vjw"vj壱r"mj»pi"8栄"8吋"ewpi"e医r"ejq"pqfg"o衣pi"YUP"vj·"rj亥p"p<pi"n逢嬰pi"e”p"n衣k"u胤"8逢嬰e" j厩"vt嬰"v瑛"piw欝p"p<pi"n逢嬰pi"vtqpi"vjk院v"d鵜"n逢w"vt英0"Uk‒w"v映"n "vjk院v"d鵜"x噂k"ejw"m "p衣r"p<pi" n逢嬰pi"ik違"n壱r"8„pi"xck"vt”"pj逢"n "piw欝p"e„"mj違"p<pi"p衣r"n衣k"*tgejctigcdng"dcvvgtkgư" vtqpi"j羽"vj嘘pị"8逢嬰e"f́pi"pj逢"vjk院v"d鵜"n逢w"vt英"vtqpi"o»"j·pj"8逢嬰e"8隠"pij鵜"e栄c"8隠"v k0 J挨p"p英c."p<pi"n逢嬰pi"e”p"n衣k"vtqpi"uk‒w"v映"e„"vj吋"f宇"f pi"8ƒpj"ikƒ"8逢嬰e"vj»pi"swc"8k羽p" ƒr"e栄c"p„0 D瓜"rj壱p"sw違p"n#"p<pi"n逢嬰pi"RO"*Rqygt"Ocpcigt+"8逢嬰e"zgo"pj逢"vj pj"rj亥p"n k" pj¤p"d‒p"vtqpi"pqfg"gpgti{"jctxguvkpi"YUP0"P„"8逢嬰e"pj¿pi"x q"d‒p"vtqpi"vj pj"rj亥p" u嘘"8吋"8k隠w"mjk吋p"j羽"vj嘘pi"dcq"i欝o"eƒe"e違o"dk院p."xk"8k隠w"mjk吋p"x "d瓜"vtw{隠p"pj壱p"tcfkq" vtcpuegkxgt"vj»pi"swc"p<pi"n逢嬰pi"j英w"f映pi"v瑛"piw欝p"p<pi"n逢嬰pi"o»k"vt逢運pi0"O映e"vk‒w" ej pj"e栄c"RO"n "8吋"jq衣v"8瓜pi"YUP"pqfg"vtqpi"ej院"8瓜"GPQ."pij c"n "p<pi"n逢嬰pi"vjw" vj壱r"8逢嬰e"d茨pi"x噂k"p<pi"n逢嬰pi"vk‒w"vj映"vjgq"vj運k"ikcp0"Vj»pi"swc"u詠"8ƒpj"ikƒe栄c"p<pi"
71
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劇聴岫券岻 噺 倦劇調腸岫券岻 (1)
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73
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sau:
Hình 5-4 Ikcq"vkｘr"ikのc"4"pqfg"oＴpi
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74
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忸寵岫券岻 噺 デ 建賃沈貸怠 沈鳥鎮勅岫件岻鶏眺諜 髪 倦岫継調腸喋 髪 継聴帳朝 髪 継寵寵凋 髪 継寵喋脹髪 継帖脹岻 (2)
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75
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忸聴岫券岻 噺怠態系聴撃聴態 (5) Fq"8„.
忸喋通鳥岫券 髪 な岻 噺 怠態系聴岫撃聴態岫券岻 伐 撃聴態岫券 伐 件岻岻 (6)
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5.4.2 B瓜 thích 泳ng tuy院n tính Î Linear Adaptation
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購 噺 "忸遁祢匂岫津袋怠岻賃 Ï頓岫津袋怠岻 (7)
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劇調腸岫券 髪 な岻 噺沈賃脹軟南岫津岻 沈賃袋蹄 (8)
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76
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khác nhaụ
6.2 A隠 ngh鵜 j逢噂ng phát tri吋p"v逢挨pi"nck
M院jq衣ej"rjƒv"vtk吋p"e栄c"8隠"v k"n "j逢噂pi"8院p"u穎"f映pi"p<pi"n逢嬰pi"ik„"x "m院v"j嬰r"pjk隠w" piw欝p"p<pi"n逢嬰pi"mjƒe"pjcw"vtqpi"vjw"vj壱r"p<pi"n逢嬰pi"ejq"j羽"vj嘘pi0
78 V k"nk羽w"vjco"mj違q [1] http://en.wikipediạorg/wiki/IEEE_802.11 (20/11/2013) [2] http://en.wikipediạorg/wiki/IEEE_802.15.4 (20/11/2013) [3] http://en.wikipediạorg/wiki/Wireless_sensor_network (20/11/2013) [4] Hcdkcp"Pcem."ÐCp"Qxgtxkgy"qp"Yktgnguu"Ugpuqt"PgvyqtmuÑ [5] C0"Mcpucn."L0"Juw."U0"¥cjgfk."cpf"O0"D0"Utkxcuvcxc."ÐRqygt"ocpcigogpv"kp"gpgti{" jctxguvkpi"ugpuqt"pgvyqtmụÑ"CEO"Vtcpu0"Godgf0"Eqorwv0"U{st., vol. 6, Sep. 2007 [6] http://en.wikipediạorg/wiki/Sensor_node (20/11/2011)
[7] Uvgxgp"Mquogtejqem."ÐYktgnguu"Ugpuqt"Pgvyqtm"VqrqnqikguÑ
[8] Ziqing Zhang, Hai Zhao, Jian Zhu, Dazhou Li, ÐTgugctej" qp" Yktgnguu" Ugpuqt" Pgvyqtmu" Vqrqnqi{" OqfgnuÑ." L0" Uqhvyctg" Gpikpggtkpi" (" Crrnkecvkqpụ" 4232." 5." 1167-1171
[9] Lkcprkpi"Rcp"[0"Vjqocu"Jqw"Nkp"Eck"[k"Ujk"Ujgtocp"Z0"Ujgp."ÐVqrqnqi{"Eqpvtqn" hqt"Yktgnguu"Ugpuqt"PgvyqtmuÑ
[10] RaulAquino-Santos, LuisVillasenor-Gonzalez, JaimeSanchez, JoseRosario Icnnctfq."ÐTqwvkpi Strategies for Wireless Sensor PgvyqtmuÑ
[11] Hanh-Rjwe"Ng."Ogtxkp"Lqjp."Mtku"Rkuvgt."ÐGpgti{-Aware Routing in Wireless Sensor Networks with Adaptive Energy-Unqrg"EqpvtqnÑ."GG4;2S-2 Spring 2009
[12] Owjcoocf"C{c¦p."Kotcp"Dckị"C¦yggp"Cdfwnncj."Kdtcjkoc"Hc{g."ÐC"uwtxg{"qp" tqwvkpi"vgejpkswgu"kp"wpfgtycvgt"yktgnguu"ugpuqt"pgvyqtmuÑ."qwtpcn"qh"Pgvyqtm"cpf" Computer Applications, 2011
[13] Harsh Sundani, Haoyue Li, Vijay K. Devabhaktuni, Mansoor Alam, & Prabir Djcvvcejct{c."ÐYktgnguu"Ugpuqt"Pgvyqtm"Ukowncvqtu"C"Uwtxg{"cpf"EqorctkuqpuÑ [14] Hgk"[w."ÐC"Uwtxg{"qh"Yktgnguu"Ugpuqt"Pgvyqtm"Ukowncvkqp"VqqnuÑ
79
TOOLS FOR WIRELESS SENSOR NETWORKS IN MEDICINE: A EQORCTCVKXG"UVWF[Ñ [16] http://www.isịedu/nsnam/ns/ (20/11/2013) [17] http://tinyos.stanford.edu/tinyos-wiki/index.php/TOSSIM (20/11/2013) [18] http://www.contiki-os.org/start.html (20/11/2013) [19] http://www.omnetpp.org (20/11/2013) [20] http://mixim.sourceforgẹnet/ (20/11/2013)
[21] Dan LOZNEANU*, Gheorghe PANA*, Ecaterina-Nknkcpc" OKTQP,,." ÐGPGTI[" OQFGN" QH" UGPUQT" PQFGU" KP" YUPÑ." Vgejpkecn" Uekgpegu" cpf" Crrnkgf" Mathematics
[22] Giuseppe Anastasi, Octeq"Eqpvk."Octkq"Fk"Htcpegueq."Cpftgc"Rcuuctgnnc."ÐGpgti{" eqpugtxcvkqp"kp"yktgnguu"ugpuqt"pgvyqtmu<"C"uwtxg{Ñ."Cf"Jqe"Pgvyqtmu"9"*422;+" 537Î568
[23] F0"Uejokfv."O0"Mt"Ø"cogt."V0"Mwjp."cpf"P0"Yjgp."ÐGpgti{"oqfgnnkpi"kp"ugpuqt" pgvyqtmuÑ."Cfx0"Tcfkq"Uek0."5, 347Î351, 2007
[24] K0" Cm{knfk¦." Y0" Uw." [0" Ucpmctcuwdtcocpkcọ" cpf" G0" Ec{ktek." ÐYktgnguu" ugpuqt" pgvyqtmu<"c"uwtxg{.Ñ"kp"Lqwtpcn"qp"Eqorwvgt"Pgvyqtmụ"42240
[25] T0"Xwnngtụ"T0"Uejcklm."J0"Xkuugt."L0"Rgpfgtụ"cpf"E0"Jqqh."ÐGpgti{"jctxguvkpi"hqt" autonomous yktgnguu"ugpuqt"pgvyqtmụÑ"kp"Uqnkf-State Circuits Magazine, 2010. [26] L0"Juw."U0"¥cjgfk."C0"Mcpucn."O0"Utkxcuvcxc."cpf"X0"Tcijwpcvjcp."ÐCfcrvkxg"fwv{"
e{enkpi" hqt" gpgti{" jctxguvkpi" u{uvgoụÑ" kp" Rtqeggfkpiu" qh" vjg" Kpvgtpcvkqpcn" Symposium on Low Power Electronics and Design (ISLPED), 2006.
[27] E0"Rctm"cpf"R0"Ejqw."ÐCodkocz<"Cwvqpqoqwu"gpgti{"jctxguvkpi"rncvhqto"hqt"ownvk- uwrrn{"yktgnguu"ugpuqt"pqfgụÑ"kp"KGGG"Eqoowpkecvkqpu"Uqekgv{"qp"Ugpuqt"cpf"Cf" Hoc Communications and Networks (SECON), 2006.
80 uwrrn{"hqt"oketq"u{uvgoụÑ"kp"Kpvgtpcvkqpcn"Eqphgtgpeg"qp"Vjgtoqgngevtkeu"*KEV+." 1997. [29] E0"Oqugt."N0"Vjkgng."F0"Dtwpgnnk."cpf"N0"Dgpkpk."ÐCfcrvkxg"rqygt"ocpcigogpv"kp" energy jctxguvkpi"u{uvgoụÑ"kp"Fgukip."Cwvqocvkqp"Vguv"kp"Gwtqrg"*FCVG+."42290 [30] E0"Xkiqtkvq."F0"Icpgucp."cpf"C0"Dctvq."ÐCfcrvkxg"eqpvtqn"qh"fwv{"e{enkpi"kp"gpgti{- jctxguvkpi"yktgnguu"ugpuqt"pgvyqtmụÑ"kp"KGGG"Eqoowpkecvkqpu"Uqekgv{"Eqphgtgpeg" on Sensor, Mesh and Ad Hoc Communications and Networks (SECON), 2007. [31] O0" Uvqlegx." O0" Mqucpqxkẹ" cpf" N0" Iqnwdqxkẹ" ÐRqygt" ocpcigogpv" cpf" gpgti{"
jctxguvkpi"vgejpkswgu"hqt"yktgnguu"ugpuqt"pqfgụÑ"kp"Vgngeqoowpkecvkqp"kp"Oqfgtp" Satellite, Cable, and Broadcasting Services (TELSIKS), 2009.
[32] C0" Dcejkt." O0" Fqjngt." V0" Ycvvg{pg." cpf" M0" Ngwpị" ÐOce" guugpvkcnu" hqt" yktgnguu" ugpuqt"pgvyqtmụÑ"kp"KGGG"Eqoowpkecvkqpu"Uwtxg{u"Vwvqtkcnụ"42320
[33] Ẹ-[0"Nkp."L0""Tcdcg{."cpf"C0""Yqnku¦.""ÐRqygt-ghÝekgpv""tgpfg¦-vous schemes for fgpug" " yktgnguu" " ugpuqt" " pgvyqtmụÑ" " kp" " KGGG" " Kpvgtpcvkqpcn" Eqphgtgpeg" qp" Communications, 2004.
[34] Z0" Lkcpị" L0" Rqncuvtg." cpf" F0" Ewnngt." ÐRgtrgvwcn" gpxktqpogpvcnn{" rqygtgf" ugpuqt" pgvyqtmụÑ" kp" Kpvgtpcvkqpcn" U{orqukwo" qp" Kphqtocvkqp" Rtqeguukpi" kp" Ugpuqt" Networks (IPSN), 2005.
[35] H0"Ukolgg"cpf"R0"Ejqw."ÐGhhkekgpv"ejctikpi"qh"uwrgtecrcekvqtu"hqt"gzvgpfgf"nkhgvkog" qh"yktgnguu"ugpuqt"pqfguÑ"kp"KGGG"Vtcpucevkqpu"qp"Rqygt"Gngevtqpkeụ"422:0
[36] V0" ¥jw." ¥0" ¥jqpị" [0" Iw." V0" Jg." cpf" ¥0" ¥jcpị" ÐNgcmcig-aware energy u{pejtqpk¦cvkqp" hqt" yktgnguu" ugpuqt" pgvyqtmụÑ" kp" Kpvgtpcvkqpcn" Eqphgtgpeg" qp" Mobile systems, applications, and services, 2009.
[37] http://www.zigbeẹorg/ (20/11/2013)
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