CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '913479973c32fdea',cH: 'Tdyldtvu_Z.nDPpv65_oIVcdmWfw76x4ooTd7yYtT2I-1739781651-1.2.1.1-pmfDcRyEeYSfGP9l_z.eCzXlICRB.o7e_jgps1bVRN6s6c4TgVTf2DUbARqlIRTz',cUPMDTk: "\/search?q=IoT&__cf_chl_tk=TkTx0T6lURQ6nwjaMS81GJyaYo1yZVJnA7_4HaehWSY-1739781651-1.0.1.1-1R95RplEwFfDbrmIL.LihoDMHxZDQ5w2hbXJy61sCNA",cFPWv: 'b',cITimeS: '1739781651',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=IoT&__cf_chl_f_tk=TkTx0T6lURQ6nwjaMS81GJyaYo1yZVJnA7_4HaehWSY-1739781651-1.0.1.1-1R95RplEwFfDbrmIL.LihoDMHxZDQ5w2hbXJy61sCNA",md: "4ehY6C4ZdduqfAK.MzgyvkzqqVP02DUMFYKVHIq2LjU-1739781651-1.2.1.1-7j9VLivmyzSg.BhZ.FU7ZkkeXkJdafFm9nQF2IFEzpAoGMkc1BfVixbLLFRqWKoLBPz0YoLsaP0hIQxKK0Y3jkpH0.0pj08cJfcmAB3KgW2ThaTtnSX369YYbkIumYhPWuebaYj84JeDBy7b8nTYSNjJxPd_oToE8RP4H20tLNtS.87mDXoo8M.TPZgSPCDyk47Nlv2tw3yKwktENt2BGxJGTRj_e7zU2VYOr8ZiFwYJIYfn6YggCsz0DcgV_VUkKtAs0QpNMkyHK4xbmI9slUErJp1cJmXUDpPlenRJq1GGVQ3RZQJY76wvOOR3gKL75z0mSrlFV.aBy6PdkBfA4Rf5HI0USGXPmLW3KTYDzQ8dePdDBDnEPwtallT7YkZhl_GqwbVbfmsmkqU8QHh2U.44OkbUPQLPltPBCkYrNlIvjrM2T_iIA3AmOQQGEKa1F4zifplJMLAJUhn0.AzK6G337cupJuIr2Tx6c6EZwylz2KRFdC7KnMyUBCjvjpKuhkS_CFzA2xLqvpYe_J0qJtJcXQ9q9TOn59I5B0EVCkz7yPwDZr6azy15HDYrozUe.FL.Cb6qO1H2b42U4CupELVpBJ3n_PMouV5w.3s6TUij_3Y0nEv_JQX6rWHpaAHUVsxlELC2XYbT2rbIclkgMHaGn1busjRbSPk_E7_abtCYA8n.x8hLgMQB95t7BsiLNp6Josgx7kIjNMdpqOUb7luFOPDJvz0HOn1coCB0A5CKNOhjBX5CSyy0EFK3r2j9HPDm3PDuM.Z3DSb8QPx.Z9ZjwuEFWUiNMjXoTUD.ShoZMU6qvTjW35IO9XtbyNv0IYA_mZiCTCD6mhilgKZb5vXIxQsZuV6F.DTVAHlMzz81rdlFXSwyGeSTn0MetD.P8qBGxx3Tb_oX6dj76BSBoHxPDjVP08VHpn_ohdza.wjF0NFhcnBxNlgRjQ.XxftNQ4cx68aKhRMp1B0vFAliOURF6Txwh.IyL6QcnJ5IDG_7GjkMVtwLIjTNef.m7HrMBL89Wp0.Ynxc.xKTwcL76EJk8zslpdHDXzuk9m78V0NAn7tb8vgClYI3Psk5PVYTwtuLBvoJsq2XgUOI1TcjrJdiTzZOGlWYiBnV.iyJrkNRU88IEt18SwwpeiQcJdHkiACcsFtEpYLMRnoShacEIkBZRgfVt2d87osDxJIW5D5BP.2bFSupKEnzyjKZEJMM6rpDwY4omIxfgVwLe_78PpUKetm5BqOIaqK21lm6zgSU7k.mdbavRl7feNOMv_ct3KCpg0w.m7SBGACT_7_FtDvQ1_aHlBAK0.MSb9acPtV5sDhag3n9dXlPw0z9H1Cblzx931cfNp3P38E.Tyx8BZmR69_6ljXkXnEifFfKsGkNhf6e_dZSHMEXi5m5hEeueEVBnEiFkZ72jg6dJYlSgzVL4AR8ICGESofcq55zqgmJ.7sK7mzAyJS6Mbcvf1xkxKti3XiZIVLtFDmXAj6FolGsSXUNRqX2w_xSYe6GtXMlZlspfBPV_DD_JJ5Hg8WxrwILfbl5Q72m5ZBVkyeCYUGMHt7Q062IlKQY8lf75omAE_R35uERQssJhKf.oPNJvGgvpKekT5J5WJ9nmduIOBOp9Bg359n8qLtHj1qxWXavN2FMQGBDcEfSB9pafRT8IHd0dzui3J20DkXyNQ3m.aT2caZa4qhdKZRXvbzh9FdxhMk7a5eAUdxO79nl5B.CTxTvuSfJOaBqzDn9VwqCP6wCvmJK9eV9C2kv2UIF3SKumYvwfSMQp8Xep2o6UcemMlY7DwyAL1SDK9D4brj9hzbPV5k_iETcfNDoohmsyxkiZb2bHRW3155BCywVPjeumZSvVvQ8ILce09rAYjvp3DeeaFAnMqOrJ0w.hj8c4rE",mdrd: "0NUjEd_9F3fMgM0AuKmAcu575j4UilBMyCgdrpQXdHU-1739781651-1.2.1.1-.eYz47_y0P9vIqr49FfWSjkASmWutVXHU8DjSAVAPzZssVPBCeCvhoxuv2uuk6EEA3EWol0BA42jK8deXvXWjIZALS0va81o90Yc_xFLimYwXdFP9_Yi_aGVEREMQCX5dUKhDgWi7Wdh3XWbfD1gIgJSXHlWYtXR8gITMN3Ii8P3afOax1WzVPx_p4wv9KNjU_u_ESasAUJJ.x.F1.WBuBYXdrCsaWdPBPJUk.saCi38o9jT1hlxuzso0_rBTVHLYB7qULnf_qfWab4YAMZIZQlNaHYLLUMAZ_tPIe_z5ZA1a6LIEHg1dYl_hbn4S8ptOcf2AArQ5Lj6w_TOh8fE8YvxDB0ukKaRPcmsArMPTncWxsNTsXeKYUxgHHeRo9pDVvbDv.t63_Tnaxu1nVRals7fTFAQuQZOhEvPkKSNDPZTpteBkthuswfkO5JiCdYKFW6.FjKmzOA.YEhYt.bxy_9lvpPaAbeDz2LXWWsL_O2GPGOrhQJMNlVMnxlPbsDdxmZw6vQiShDu7XQLx_E_lyNaHnIXgMHNaKZSX6mZ70jmUSZ0ieyD_DVyVehsjI.UKPJR0CAibOox.el_ANReRDa0q.3tv2LucZfTxXdhn_UP2gNQlmAf2MPqJoPpUQ5ISHHiCgqYvObzn4H7ZePjuFA_37HrTJKoMMnFAtS4gvRY.4SJeHTkwIJt4aktBapQAF9qUsvfS5hNQRFm1E7QHsTnaml.1W1.0vHItRikV99DRUhQiU6LVFbYISqck3jIRp1nCgbFpAvP5lxrMh9AeT8.VeGu5r9B8G47fFXciVWQOTr9rKSM4o41Ur5xr6HivT3xxWntUm1dNx.PEIIEYG6JTcoD_MO8rKBBkA5D_mdoOPaMG.UjYxhp2cFjviYo3sKGjcG6fbiK8rjsO.aXBg.qG9JkDFzjVkuPxCCGyB9xKMrfci74JlAuw6a3eP_4XRO32UT10oZrTVjzJbSz9GRSnX5F8T7otQZjnD2b1m7ntR7dyaJve3LRUJQ1wA5S06o39IKLWijfBpZwM8kPai6OaktcuygRnVyUIH5BsE3yacjP3k_am7FByA7ByVZaj1Jesssqz59cLZW4526qQ0agJUEqv7w0PvB59Rwr0qBd8BeDD4VDMDDEv3pgnXyGZpvpDk9jFo7NF_Ux4GbtVoY4w2_P7IBLKMRYRBKoRUFTzEU7tCJkIIq1e4D2anN0CzEOMXqRk0CJ32pLlMFEK6mNbRAhK39woK7s6L_SxbFKPVXTJwiX8hY9KntqvrjK0TKIEzyOWk06XWZ2xQ5CBnLc8fPw0yfIKvoUmE0oPGvfiD_04.Yn6mUuQmqztL2TS9ORRQ4TaDHaDrhKgqxuTaRvbt.JLB0IqB.j6iE4AKO.GZkRyUux2VnwEZmwcACkywHe1PFeYigsogWzoXOPCA.XbX.T5M3NzwFki56O.4thENwmdZpKZLoMYhDWGYmQFlGB2RZKkMkT01M_Z04GHdST9Io3clE2mUtU_t7oG4P6v1FaCJHtI6mslxx1QKrnhxJjOuJg97_7OeBkdvDqNzIrnGYK69_2f69DgZVFIgUtjJo7haqedHzZkKf_1OznwglvkyW6UNyIHV_ciAq7rvwcFpHNvmaU.K7LI7jC21jiJAP2sSSzt4Vas3xIzU5q8Wk_qHV35v46D41HbDHK.pROK0dUl8vqc8izGr9WtAVitaNuylCI37Sb7twNuCMlCHsbUWKzQCMcLyjQPrLVuzYI81nH2OaNzEVgtQZ1sVExqAeDrsqO3X0KFqQXit.a6PnB4wW0.Xz1G8HmOIMwR4jvhZdNPeAmEosNQ4DEp6QzeFpIz1ej1GkSWWd5O4wmUpeMqymwz1VQPY6OENjuUYZJnR9fa1fbFfUcEUEpzxbxMPui8BW4_u0A9j3UuNhM8ZRMwcdQ0Ph7cFwgFMS_0Izcd4td._MM0x7Nd5KzHizh.ywwRDiTLyiu84bVrcw8dmBllY3nSCTe4Kisa9zrl9Qt8Z2NzU_sWwhNgy6xyhA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913479973c32fdea';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=IoT&__cf_chl_rt_tk=TkTx0T6lURQ6nwjaMS81GJyaYo1yZVJnA7_4HaehWSY-1739781651-1.0.1.1-1R95RplEwFfDbrmIL.LihoDMHxZDQ5w2hbXJy61sCNA" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>