{"id":9379,"date":"2026-03-25T17:14:44","date_gmt":"2026-03-25T09:14:44","guid":{"rendered":"https:\/\/www.kpai1.cn\/?p=9379"},"modified":"2026-03-25T17:14:48","modified_gmt":"2026-03-25T09:14:48","slug":"wmax%e4%ba%a4%e6%98%93%e5%bf%83%e7%90%86%e7%9a%84%e9%9a%90%e5%bd%a2%e6%88%98%e5%9c%ba%ef%bc%9a%e4%bb%8e%e8%ae%a4%e7%9f%a5%e5%81%8f%e5%b7%ae%e5%88%b0%e5%86%b3%e7%ad%96%e7%aa%81%e5%9b%b4","status":"publish","type":"post","link":"https:\/\/www.kpai1.cn\/vi\/luu-tru\/9379","title":{"rendered":"Chi\u1ebfn tr\u01b0\u1eddng v\u00f4 h\u00ecnh c\u1ee7a t\u00e2m l\u00fd giao d\u1ecbch WMAX: T\u1eeb thi\u00ean ki\u1ebfn nh\u1eadn th\u1ee9c \u0111\u1ebfn \u0111\u1ed9t ph\u00e1 quy\u1ebft \u0111\u1ecbnh"},"content":{"rendered":"

D\u01b0\u1edbi s\u1ef1 gi\u00e1m s\u00e1t t\u1ea7n su\u1ea5t cao c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m h\u00e0nh vi t\u00e0i ch\u00ednh WMAX, m\u1ed7i c\u00fa nh\u1ea5p chu\u1ed9t c\u1ee7a nh\u00e0 giao d\u1ecbch kh\u00f4ng ch\u1ec9 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 ph\u00e1n \u0111o\u00e1n th\u1ecb tr\u01b0\u1eddng, m\u00e0 c\u00f2n l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a cu\u1ed9c \u0111\u1ea5u tranh kh\u1ed1c li\u1ec7t gi\u1eefa h\u1ec7 vi\u1ec1n v\u00e0 v\u1ecf n\u00e3o c\u1ee7a b\u1ed9 n\u00e3o. Khi th\u1ecb tr\u01b0\u1eddng c\u00f3 bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh, m\u1ee9c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ea1ch h\u1ea1nh nh\u00e2n (trung t\u00e2m c\u1ea3m x\u00fac) c\u1ee7a c\u00e1c nh\u00e0 giao d\u1ecbch m\u1edbi s\u1ebd t\u0103ng v\u1ecdt trong v\u00f2ng mili gi\u00e2y, d\u1eabn tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t c\u1ee7a adrenaline, v\u00e0 do \u0111\u00f3 k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng b\u1ea3n n\u0103ng \"chi\u1ebfn hay ch\u1ea1y\". C\u01a1 ch\u1ebf sinh l\u00fd n\u00e0y th\u01b0\u1eddng khi\u1ebfn c\u00e1c nh\u00e0 giao d\u1ecbch tr\u1edf n\u00ean qu\u00e1 c\u1ee9ng nh\u1eafc khi thua l\u1ed7 (kh\u00f4ng mu\u1ed1n c\u1eaft l\u1ed7) v\u00e0 qu\u00e1 nh\u1ea1y c\u1ea3m khi c\u00f3 l\u00e3i (v\u1ed9i v\u00e0ng ch\u1ed1t l\u1eddi). WMAX \u0111\u00e3 ph\u00e1t hi\u1ec7n ra th\u00f4ng qua vi\u1ec7c theo d\u00f5i h\u00e0ng ngh\u00ecn gi\u1edd d\u1eef li\u1ec7u giao d\u1ecbch th\u1ef1c t\u1ebf r\u1eb1ng, h\u01a1n 76%c\u00e1c quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch phi l\u00fd t\u00ednh x\u1ea3y ra trong c\u00e1c kho\u1ea3ng th\u1eddi gian m\u00e0 t\u1ef7 l\u1ec7 bi\u1ebfn thi\u00ean nh\u1ecbp tim (HRV) c\u1ee7a nh\u00e0 giao d\u1ecbch c\u00f3 bi\u1ebfn \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y, hi\u1ec3u r\u00f5 ph\u1ea3n \u1ee9ng c\u0103ng th\u1eb3ng sinh l\u00fd trong giao d\u1ecbch l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t nh\u00e0 giao d\u1ecbch chuy\u00ean nghi\u1ec7p.<\/p>\n

C\u01a1 ch\u1ebf k\u1ebft n\u1ed1i t\u00e2m-th\u00e2n n\u00e0y h\u00e9 l\u1ed9 logic s\u00e2u s\u1eafc c\u1ee7a vi\u1ec7c hu\u1ea5n luy\u1ec7n giao d\u1ecbch: ch\u1ec9 n\u1eafm v\u1eefng ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt v\u00e0 nghi\u00ean c\u1ee9u c\u01a1 b\u1ea3n l\u00e0 ch\u01b0a \u0111\u1ee7. Nghi\u00ean c\u1ee9u c\u1ee7a WMAX ch\u1ec9 ra r\u1eb1ng, khi nh\u00e0 giao d\u1ecbch \u1edf tr\u1ea1ng th\u00e1i \"qu\u00e1 t\u1ea3i nh\u1eadn th\u1ee9c\", b\u0103ng th\u00f4ng x\u1eed l\u00fd th\u00f4ng tin c\u1ee7a h\u1ecd s\u1ebd thu h\u1eb9p \u0111\u1ed9t ng\u1ed9t, d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u1ec9 nh\u00ecn th\u1ea5y nh\u1eefng th\u00f4ng tin ph\u00f9 h\u1ee3p v\u1edbi suy \u0111o\u00e1n c\u1ee7a m\u00ecnh, \u0111\u1ed3ng th\u1eddi t\u1ef1 \u0111\u1ed9ng b\u1ecf qua c\u00e1c t\u00edn hi\u1ec7u ng\u01b0\u1ee3c l\u1ea1i. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u1eb7c bi\u1ec7t r\u00f5 r\u1ec7t sau khi li\u00ean t\u1ee5c c\u00f3 l\u00e3i ho\u1eb7c li\u00ean t\u1ee5c thua l\u1ed7. Do \u0111\u00f3, vi\u1ec7c thi\u1ebft l\u1eadp m\u1ed9t c\u01a1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 theo d\u00f5i tr\u1ea1ng th\u00e1i t\u00e2m l\u00fd giao d\u1ecbch, so v\u1edbi vi\u1ec7c ch\u1ec9 t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch, c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh s\u1ef1 t\u1ed3n vong c\u1ee7a t\u00e0i kho\u1ea3n. Giao d\u1ecbch chuy\u00ean nghi\u1ec7p th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c thu\u1ea7n h\u00f3a h\u1ec7 th\u1ea7n kinh c\u1ee7a b\u1ea3n th\u00e2n, ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ef1 \u0111o\u00e1n bi\u1ebfn \u0111\u1ed9ng gi\u00e1 th\u1ecb tr\u01b0\u1eddng.<\/p>\n

Heuristic s\u1eb5n c\u00f3 v\u00e0 b\u1eaby t\u1ef1 s\u1ef1: th\u1ecb tr\u01b0\u1eddng b\u1ecb m\u00e9o m\u00f3 b\u1edfi k\u00fd \u1ee9c<\/p>\n

Trong t\u00e0i ch\u00ednh h\u00e0nh vi, \"ph\u00e1n \u0111o\u00e1n theo t\u00ednh s\u1eb5n c\u00f3\" l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1i b\u1eaby nh\u1eadn th\u1ee9c d\u1ec5 m\u1eafc ph\u1ea3i nh\u1ea5t c\u1ee7a c\u00e1c nh\u00e0 giao d\u1ecbch. D\u1eef li\u1ec7u th\u1eed nghi\u1ec7m t\u1eeb WMAX cho th\u1ea5y, sau khi tr\u1ea3i qua m\u1ed9t lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh (v\u00ed d\u1ee5: \u0111\u1ea3o chi\u1ec1u h\u00ecnh ch\u1eef V) g\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 xu h\u01b0\u1edbng \u0111\u00e1nh gi\u00e1 qu\u00e1 cao kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ea1i c\u1ee7a lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng \u0111\u00f3. V\u00ed d\u1ee5, n\u1ebfu tu\u1ea7n tr\u01b0\u1edbc v\u1eeba tr\u1ea3i qua m\u1ed9t \u0111\u1ee3t gi\u1ea3m gi\u00e1 \u0111\u1ed9t ng\u1ed9t do tin t\u1ee9c b\u1ea5t ng\u1edd, th\u00ec tu\u1ea7n n\u00e0y khi \u0111\u1ed1i m\u1eb7t v\u1edbi tin t\u1ee9c t\u01b0\u01a1ng t\u1ef1, c\u00e1c nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng ph\u1ea3n \u1ee9ng th\u00e1i qu\u00e1, \u0111\u00f3ng v\u1ecb th\u1ebf s\u1edbm ho\u1eb7c b\u00e1n kh\u1ed1ng qu\u00e1 m\u1ee9c. \"Tr\u1ecdng s\u1ed1 k\u00fd \u1ee9c\" n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch sai l\u1ec7ch nghi\u00eam tr\u1ecdng so v\u1edbi ph\u00e2n ph\u1ed1i x\u00e1c su\u1ea5t kh\u00e1ch quan. Khuy\u1ebfn ngh\u1ecb, th\u00f4ng qua vi\u1ec7c thi\u1ebft l\u1eadp nh\u1eadt k\u00fd giao d\u1ecbch \"phi ng\u1eef c\u1ea3nh h\u00f3a\", bu\u1ed9c b\u1ea3n th\u00e2n ch\u1ec9 t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac bi\u1ec3u \u0111\u1ed3 hi\u1ec7n t\u1ea1i, thay v\u00ec \"b\u00e0i h\u1ecdc l\u1ea7n tr\u01b0\u1edbc\" c\u1ee9 quanh qu\u1ea9n trong \u0111\u1ea7u.<\/p>\n

B\u1eaby s\u00e2u s\u1eafc h\u01a1n n\u1eb1m \u1edf \"ng\u1ee5y bi\u1ec7n t\u01b0\u1eddng thu\u1eadt\". B\u1ed9 n\u00e3o con ng\u01b0\u1eddi v\u1ed1n c\u00f3 xu h\u01b0\u1edbng t\u00ecm ki\u1ebfm nh\u1eefng c\u00e2u chuy\u1ec7n logic m\u1ea1ch l\u1ea1c \u0111\u1ec3 gi\u1ea3i th\u00edch cho nh\u1eefng bi\u1ebfn \u0111\u1ed9ng h\u1ed7n lo\u1ea1n c\u1ee7a th\u1ecb tr\u01b0\u1eddng. Khi m\u1ed9t nh\u00e0 giao d\u1ecbch mua v\u00e0ng, h\u1ecd s\u1ebd v\u00f4 th\u1ee9c thu th\u1eadp t\u1ea5t c\u1ea3 c\u00e1c l\u00fd do \u0111\u1ec3 \u1ee7ng h\u1ed9 vi\u1ec7c t\u0103ng gi\u00e1 v\u00e0ng (nh\u01b0 l\u1ea1m ph\u00e1t, xung \u0111\u1ed9t \u0111\u1ecba ch\u00ednh tr\u1ecb) v\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t chu\u1ed7i t\u01b0\u1eddng thu\u1eadt ho\u00e0n h\u1ea3o \u0111\u1ec3 bi\u1ec7n minh cho v\u1ecb th\u1ebf c\u1ee7a m\u00ecnh. Ph\u00e2n t\u00edch c\u1ee7a WMAX ph\u00e1t hi\u1ec7n ra r\u1eb1ng \"c\u00e2u chuy\u1ec7n\" t\u1ef1 d\u1ec7t n\u00e0y s\u1ebd khi\u1ebfn nh\u00e0 giao d\u1ecbch c\u00f3 m\u1ed9t s\u1ef1 b\u00e1c b\u1ecf m\u1ea1nh m\u1ebd \u0111\u1ed1i v\u1edbi b\u1eb1ng ch\u1ee9ng ng\u01b0\u1ee3c l\u1ea1i (nh\u01b0 \u0111\u1ed3ng \u0111\u00f4 la m\u1ea1nh l\u00ean). \u0110\u1ec3 ch\u1ed1ng l\u1ea1i \u0111i\u1ec1u n\u00e0y, h\u00e3y ph\u00e1t tri\u1ec3n \"b\u1ed9 t\u1ea1o quan \u0111i\u1ec3m ng\u01b0\u1ee3c\", bu\u1ed9c nh\u00e0 giao d\u1ecbch ph\u1ea3i vi\u1ebft ra ba l\u00fd do cho phe \u0111\u1ed1i l\u1eadp tr\u01b0\u1edbc khi m\u1edf v\u1ecb th\u1ebf, nh\u1eb1m ph\u00e1 v\u1ee1 v\u00f2ng l\u1eb7p t\u1ef1 th\u1ecfa m\u00e3n c\u1ee7a b\u1ed9 n\u00e3o.<\/p>\n

S\u1ef1 h\u1ed1i ti\u1ebfc v\u00e0 ngh\u1ecbch l\u00fd gh\u00ea t\u1edfm: s\u1ef1 dao \u0111\u1ed9ng gi\u1eefa kh\u00f4ng h\u00e0nh \u0111\u1ed9ng v\u00e0 h\u00e0nh \u0111\u1ed9ng sai l\u1ea7m<\/p>\n

\"H\u1ed1i ti\u1ebfc v\u00e0 gh\u00ea t\u1edfm\" l\u00e0 c\u01a1 ch\u1ebf t\u00e2m l\u00fd c\u1ed1t l\u00f5i g\u00e2y t\u00ea li\u1ec7t kh\u1ea3 n\u0103ng th\u1ef1c thi c\u1ee7a nh\u00e0 giao d\u1ecbch. M\u1ed9t cu\u1ed9c kh\u1ea3o s\u00e1t c\u1ee7a WMAX cho th\u1ea5y, n\u1ed7i \u0111au c\u1ee7a nh\u00e0 giao d\u1ecbch khi \"ph\u1ea1m sai l\u1ea7m do h\u00e0nh \u0111\u1ed9ng\" g\u1ea5p \u0111\u00f4i so v\u1edbi \"b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i do kh\u00f4ng h\u00e0nh \u0111\u1ed9ng\". \u0110i\u1ec1u n\u00e0y tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng k\u1ef3 l\u1ea1: khi \u0111\u1ed1i m\u1eb7t v\u1edbi quy\u1ebft \u0111\u1ecbnh c\u1eaft l\u1ed7, nhi\u1ec1u nh\u00e0 giao d\u1ecbch th\u00e0 ch\u1ecdn \"n\u1eb1m im gi\u1ea3 ch\u1ebft\" c\u00f2n h\u01a1n l\u00e0 ch\u1ecbu \u0111\u1ef1ng c\u1ea3m gi\u00e1c \u0111au \u0111\u1edbn t\u00e2m l\u00fd t\u1ee9c th\u1eddi do \"c\u1eaft l\u1ed7\" g\u00e2y ra. C\u01a1 ch\u1ebf t\u00e2m l\u00fd n\u00e0y c\u00f3 th\u1ec3 bi\u1ebfn nh\u1eefng kho\u1ea3n l\u1ed7 nh\u1ecf th\u00e0nh nh\u1eefng l\u1ed7 h\u1ed5ng kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c. K\u1ef9 thu\u1eadt \"h\u1ed1i ti\u1ebfc d\u1ef1 ph\u00f2ng\" \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n s\u1eeda \u0111\u1ed5i h\u00e0nh vi, ngh\u0129a l\u00e0 tr\u01b0\u1edbc khi m\u1edf v\u1ecb th\u1ebf, nh\u00e0 giao d\u1ecbch \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u m\u00f4 t\u1ea3 chi ti\u1ebft c\u00e1c k\u1ecbch b\u1ea3n \u0111au \u0111\u1edbn c\u1ef1c \u0111oan m\u00e0 h\u1ecd s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t n\u1ebfu kh\u00f4ng c\u1eaft l\u1ed7, nh\u1eb1m gi\u1ea3m b\u1edbt kh\u00e1ng c\u1ef1 t\u00e2m l\u00fd khi th\u1ef1c hi\u1ec7n c\u1eaft l\u1ed7.<\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, c\u00f3 m\u1ed9t \"**thi\u00ean ki\u1ebfn h\u00e0nh \u0111\u1ed9ng**\" - m\u1ed9t h\u00e0nh \u0111\u1ed9ng m\u00f9 qu\u00e1ng do lo l\u1eafng th\u00fac \u0111\u1ea9y. Khi th\u1ecb tr\u01b0\u1eddng c\u00f3 bi\u1ebfn \u0111\u1ed9ng h\u1ed7n lo\u1ea1n, thi\u1ebfu t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng, b\u1ed9 n\u00e3o c\u1ee7a nh\u00e0 giao d\u1ecbch s\u1ebd c\u1ea3m th\u1ea5y lo l\u1eafng m\u00e3nh li\u1ec7t v\u00ec \"kh\u00f4ng l\u00e0m g\u00ec c\u1ea3\", bu\u1ed9c h\u1ecd ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch nh\u1ecf v\u00f4 ngh\u0129a m\u1ed9t c\u00e1ch th\u01b0\u1eddng xuy\u00ean (th\u01b0\u1eddng g\u1ecdi l\u00e0 \"qu\u00e9t \u0111\u01a1n h\u00e0ng\"). D\u1eef li\u1ec7u th\u1ef1c t\u1ebf c\u1ee7a WMAX cho th\u1ea5y h\u00e0nh vi \"giao d\u1ecbch v\u00ec giao d\u1ecbch\" n\u00e0y c\u00f3 k\u1ef3 v\u1ecdng d\u00e0i h\u1ea1n l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb \u00e2m \u0111\u00e1ng k\u1ec3 v\u00e0 s\u1ebd l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 chi ph\u00ed giao d\u1ecbch. \u0110\u1ec3 v\u01b0\u1ee3t qua ngh\u1ecbch l\u00fd n\u00e0y, WMAX ch\u1ee7 tr\u01b0\u01a1ng \"**r\u00e8n luy\u1ec7n trang gi\u1ea5y tr\u1eafng**\": bu\u1ed9c b\u1ea3n th\u00e2n kh\u00f4ng th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thao t\u00e1c n\u00e0o trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, ch\u1ec9 ghi l\u1ea1i quan s\u00e1t v\u00e0 c\u1ea3m x\u00fac, \u0111\u1ec3 x\u00e2y d\u1ef1ng l\u1ea1i s\u1ef1 ki\u00ean nh\u1eabn v\u00e0 k\u1ef7 lu\u1eadt.<\/p>\n

\"\u1ea2nh<\/p>\n

Nh\u1eadn d\u1ea1ng x\u00e3 h\u1ed9i v\u00e0 c\u1ef1c \u0111oan h\u00f3a nh\u00f3m: gi\u1eef s\u1ef1 c\u00f4 l\u1eadp gi\u1eefa \u0111\u00e1m \u0111\u00f4ng<\/p>\n

S\u1ef1 l\u00e2y lan c\u1ee7a c\u1ea3m x\u00fac tr\u00ean s\u00e0n giao d\u1ecbch ho\u1eb7c m\u1ea1ng x\u00e3 h\u1ed9i l\u00e0 m\u00f4i tr\u01b0\u1eddng thu\u1eadn l\u1ee3i cho c\u00e1c giao d\u1ecbch phi l\u00fd. C\u01a1 ch\u1ebf \"chu\u1ea9n m\u1ef1c x\u00e3 h\u1ed9i\" trong t\u00e0i ch\u00ednh h\u00e0nh vi cho th\u1ea5y khi c\u00e1 nh\u00e2n \u1edf trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng ch\u1eafc ch\u1eafn, h\u1ecd s\u1ebd v\u00f4 th\u1ee9c b\u1eaft ch\u01b0\u1edbc h\u00e0nh vi c\u1ee7a nh\u1eefng ng\u01b0\u1eddi xung quanh \u0111\u1ec3 gi\u1ea3m b\u1edbt lo l\u1eafng. H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t d\u01b0 lu\u1eadn c\u1ee7a WMAX ph\u00e1t hi\u1ec7n r\u1eb1ng khi m\u1ed9t lo\u1ea1i t\u00e0i s\u1ea3n giao d\u1ecbch n\u00f3ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i, t\u1ef7 l\u1ec7 giao d\u1ecbch c\u00f9ng chi\u1ec1u c\u1ee7a c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 nh\u1ecf l\u1ebb s\u1ebd t\u0103ng v\u1ecdt l\u00ean tr\u00ean 85%trong th\u1eddi gian ng\u1eafn, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng b\u00e1o hi\u1ec7u th\u1ecb tr\u01b0\u1eddng s\u1eafp c\u00f3 xu h\u01b0\u1edbng \u0111\u1ea3o chi\u1ec1u v\u00e0 \"thu ho\u1ea1ch\". Hi\u1ec7u \u1ee9ng \"\u0111\u00e0n c\u1eebu\" mang t\u00ednh t\u1eadp th\u1ec3 n\u00e0y s\u1ebd khi\u1ebfn vi\u1ec7c \u0111\u01b0a ra ph\u00e1n \u0111o\u00e1n \u0111\u1ed9c l\u1eadp c\u00f3 t\u00ednh l\u00fd tr\u00ed tr\u1edf n\u00ean v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n, v\u00ec ch\u1ed1ng l\u1ea1i \u0111\u00e1m \u0111\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ph\u1ea3i g\u00e1nh ch\u1ecbu c\u1ea3m gi\u00e1c c\u00f4 l\u1eadp v\u00e0 nghi ng\u1edd b\u1ea3n th\u00e2n to l\u1edbn.<\/p>\n

Hi\u1ec7u \u1ee9ng \"c\u1ef1c \u0111oan h\u00f3a nh\u00f3m\" c\u00f2n ti\u1ec1m \u1ea9n h\u01a1n n\u1eefa. Trong m\u1ed9t c\u1ed9ng \u0111\u1ed3ng ch\u1ec9 nh\u00ecn nh\u1eadn theo h\u01b0\u1edbng t\u0103ng ho\u1eb7c gi\u1ea3m gi\u00e1, quan \u0111i\u1ec3m c\u1ee7a c\u00e1c th\u00e0nh vi\u00ean s\u1ebd \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 l\u1eabn nhau li\u00ean t\u1ee5c, cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn k\u1ef3 v\u1ecdng c\u1ef1c \u0111oan. Quan s\u00e1t cho th\u1ea5y, nhi\u1ec1u nh\u00e0 giao d\u1ecbch sau khi gia nh\u1eadp c\u00e1c c\u1ed9ng \u0111\u1ed3ng n\u00e0y c\u00f3 xu h\u01b0\u1edbng ch\u1ea5p nh\u1eadn r\u1ee7i ro t\u0103ng \u0111\u00e1ng k\u1ec3, d\u00e1m s\u1eed d\u1ee5ng \u0111\u00f2n b\u1ea9y v\u01b0\u1ee3t xa kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a b\u1ea3n th\u00e2n. \u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t r\u00e0o c\u1ea3n t\u00e2m l\u00fd, \u0111\u1ec1 xu\u1ea5t th\u1ef1c hi\u1ec7n \"chi\u1ebfn l\u01b0\u1ee3c c\u00f4 l\u1eadp th\u00f4ng tin\": t\u1eaft t\u1ea5t c\u1ea3 th\u00f4ng b\u00e1o t\u1eeb m\u1ea1ng x\u00e3 h\u1ed9i trong gi\u1edd giao d\u1ecbch, ch\u1ec9 gi\u1eef l\u1ea1i d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng ch\u00ednh th\u1ee9c, v\u00e0 \u0111\u1ecbnh k\u1ef3 th\u1ef1c hi\u1ec7n \"b\u00e0i ki\u1ec3m tra t\u01b0 duy ng\u01b0\u1ee3c\", bu\u1ed9c b\u1ea3n th\u00e2n ph\u1ea3i tranh lu\u1eadn v\u1edbi quan \u0111i\u1ec3m ch\u1ee7 \u0111\u1ea1o, nh\u1eb1m duy tr\u00ec s\u1ef1 \u0111\u1ed9c l\u1eadp trong nh\u1eadn th\u1ee9c.<\/p>\n

X\u00e2y d\u1ef1ng h\u1ec7 mi\u1ec5n d\u1ecbch t\u00e2m l\u00fd: T\u1eeb nh\u1eadn th\u1ee9c \u0111\u1ebfn t\u00e1i c\u1ea5u tr\u00fac<\/p>\n

V\u0169 kh\u00ed b\u00ed m\u1eadt c\u1ee7a c\u00e1c nh\u00e0 giao d\u1ecbch h\u00e0ng \u0111\u1ea7u kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o b\u00e1ch ph\u00e1t b\u00e1ch tr\u00fang, m\u00e0 l\u00e0 m\u1ed9t \"h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch t\u00e2m l\u00fd\" ho\u00e0n ch\u1ec9nh. Ph\u01b0\u01a1ng ph\u00e1p \"hu\u1ea5n luy\u1ec7n t\u00e2m l\u00fd ba chi\u1ec1u\" do WMAX t\u1ed5ng k\u1ebft \u0111ang \u0111\u01b0\u1ee3c ng\u00e0y c\u00e0ng nhi\u1ec1u t\u1ed5 ch\u1ee9c chuy\u00ean nghi\u1ec7p \u00e1p d\u1ee5ng. Chi\u1ec1u th\u1ee9 nh\u1ea5t l\u00e0 \"gi\u00e1m s\u00e1t sinh l\u00fd\", s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111eo \u0111\u01b0\u1ee3c \u0111\u1ec3 theo d\u00f5i th\u1eddi gian th\u1ef1c nh\u1ecbp tim, ph\u1ea3n \u1ee9ng \u0111i\u1ec7n sinh l\u00fd, khi c\u00e1c ch\u1ec9 s\u1ed1 sinh l\u00fd v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng c\u00e0i \u0111\u1eb7t, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng kh\u00f3a thi\u1ebft b\u1ecb giao d\u1ecbch, bu\u1ed9c ph\u1ea3i ngh\u1ec9 ng\u01a1i; Chi\u1ec1u th\u1ee9 hai l\u00e0 \"t\u00e1i c\u1ea5u tr\u00fac nh\u1eadn th\u1ee9c\", th\u00f4ng qua thi\u1ec1n \u0111\u1ecbnh v\u00e0 r\u00e8n luy\u1ec7n ch\u00e1nh ni\u1ec7m h\u00e0ng ng\u00e0y, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t c\u1ee7a v\u1ecf n\u00e3o tr\u01b0\u1edbc tr\u00e1n \u0111\u1ed1i v\u1edbi h\u1ea1ch h\u1ea1nh nh\u00e2n, gi\u00fap b\u1ea3n th\u00e2n gi\u1eef b\u00ecnh t\u0129nh trong c\u01a1n b\u00e3o; Chi\u1ec1u th\u1ee9 ba l\u00e0 \"c\u1ee7ng c\u1ed1 h\u00e0nh vi\", m\u00e3 h\u00f3a c\u00e1c quy t\u1eafc giao d\u1ecbch, gi\u1ea3m kh\u00f4ng gian can thi\u1ec7p c\u1ee7a ph\u00e1n \u0111o\u00e1n ch\u1ee7 quan.<\/p>\n

M\u1ee5c ti\u00eau t\u1ed1i th\u01b0\u1ee3ng l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t t\u00e2m l\u00fd giao d\u1ecbch \"ch\u1ed1ng m\u1ecfng manh\". Nh\u01b0 Taleb \u0111\u00e3 n\u00f3i, ng\u01b0\u1eddi th\u1ef1c s\u1ef1 m\u1ea1nh m\u1ebd kh\u00f4ng ch\u1ec9 s\u1ed1ng s\u00f3t trong h\u1ed7n lo\u1ea1n m\u00e0 c\u00f2n h\u01b0\u1edfng l\u1ee3i t\u1eeb n\u00f3. Nghi\u00ean c\u1ee9u theo d\u00f5i d\u00e0i h\u1ea1n c\u1ee7a WMAX cho th\u1ea5y, nh\u1eefng nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 bi\u1ebfn m\u1ed7i kho\u1ea3n l\u1ed7 th\u00e0nh m\u1ed9t \"\u0111\u00e1 m\u00e0i\" r\u00e8n luy\u1ec7n s\u1ee9c b\u1ec1n t\u00e2m l\u00fd, v\u00e0 xem m\u1ed7i kho\u1ea3n l\u00e3i l\u00e0 s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a x\u00e1c su\u1ea5t ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a tr\u00ed tu\u1ec7 c\u00e1 nh\u00e2n, m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ee9ng v\u1eefng \u1edf v\u1ecb th\u1ebf b\u1ea5t b\u1ea1i trong su\u1ed1t ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 kh\u1eafc nghi\u1ec7t c\u1ee7a s\u1ef1 nghi\u1ec7p th\u1ecb tr\u01b0\u1eddng. Giao d\u1ecbch, suy cho c\u00f9ng, l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i v\u00f4 h\u1ea1n v\u1edbi nh\u1eefng \u0111i\u1ec3m y\u1ebfu c\u1ed1 h\u1eefu c\u1ee7a con ng\u01b0\u1eddi.<\/p>","protected":false},"excerpt":{"rendered":"

Ph\u00f2ng th\u00ed nghi\u1ec7m T\u00e0i ch\u00ednh H\u00e0nh vi WMAX ph\u00e2n t\u00edch s\u00e2u v\u1ec1 ph\u1ea3n \u1ee9ng c\u0103ng th\u1eb3ng sinh l\u00fd trong giao d\u1ecbch. T\u1eeb b\u1ea3n n\u0103ng \"chi\u1ebfn hay ch\u1ea1y\" do h\u1ea1ch h\u1ea1nh nh\u00e2n g\u00e2y ra, \u0111\u1ebfn c\u00e1c c\u1ea1m b\u1eaby nh\u1eadn th\u1ee9c nh\u01b0 l\u1ed1i t\u1eaft kh\u1ea3 d\u1ee5ng, \u00e1c c\u1ea3m h\u1ed1i ti\u1ebfc v\u00e0 hi\u1ec7u \u1ee9ng b\u1ea7y \u0111\u00e0n, ch\u00fang t\u00f4i cung c\u1ea5p \"Ph\u01b0\u01a1ng ph\u00e1p r\u00e8n luy\u1ec7n t\u00e2m l\u00fd ba chi\u1ec1u\" v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c gi\u00e1m s\u00e1t sinh l\u00fd, gi\u00fap b\u1ea1n t\u00e1i c\u1ea5u tr\u00fac t\u01b0 duy giao d\u1ecbch tr\u00ean n\u1ec1n t\u1ea3ng WMAX, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb h\u00e0nh \u0111\u1ed9ng theo c\u1ea3m x\u00fac sang quy\u1ebft \u0111\u1ecbnh l\u00fd tr\u00ed.<\/p>","protected":false},"author":1,"featured_media":9380,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[122],"tags":[343,313,768],"class_list":["post-9379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial","tag-343","tag-313","tag-768"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/comments?post=9379"}],"version-history":[{"count":1,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9379\/revisions"}],"predecessor-version":[{"id":9382,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/9379\/revisions\/9382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media\/9380"}],"wp:attachment":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media?parent=9379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/categories?post=9379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/tags?post=9379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}