Ʈũ ˸ ̷Ӵ ~
ȭ ȸ Ѹ ͳ , , , ȸ о߿ ϰ ִ. ʰ ͳ ̹ Ϲ θ Ǿ ü踦 ϰ ִ ̴. Ʈ ͳݿ ɰ ̿ ϰ ִµ, ̷ Ʈũ ص Ȱ ɷ θ ũ. Ʈ ϴ ̳ 3G ܿ Ʈũ ⸦ Ȱϰ ϱ ؼ ּ Ʈũ ʿ䰡 ִ. ̿ Ź 鿡 Ϸ簡 ִϰ ȸڵǰ, Ʈũ Ǵ Ʈũ Ұϴ ǻȰ غ ٶ. - -
(Wi-Fi)
Wireless Fidelity ڷ, ġ ͳ ִ ǹѴ. IEEE802.11b ȣȯǴ ǰ ο 弼 ̰ ִ. 츮 غ Ʈ ºPC ϸ鼭 .
IEEE802.11
̱ȸ(IEEE) LAN ̴. ̺ ʿ ȭ ù ° , 1997 Ǿ. 2.4GHz 1~2Mbps ӵ ´. 귣 ̷ ǥȴ.
AP(Access Point)
Ʈ ̸ ϱ ؾ ϴ ġ ġ. AP ϴ δ ͳ ͳ ȭⰡ ǥ̴. AP ϴ ӵ ϵǰ ŷ ־ йȣ ؾ Ѵ.
WiBro(Wireless Broadband)
̺δ ̵ϸ鼭 ͳ ̵ ͳ , Zڿ ѱſ Ǿ ߴ. ϴ ݰ濡 Ǵ ؼϱ ġ.
3G 4G
3, 4 ̵ ǹѴ. 3G 2002 ƴ. 2GHz ļ ϰ ۼӵ 128Kbps~2Mbps, 2뺸 ְ µ . , 4G 4 ̵ ǹϴµ, ʱ뿪 ͳݿ 3G ӵ .
(Protocol)
Ʈũ ٸ ǻ ְ , Ŀ ̴. ǥ ݿ TCP/IP ִ.
IP ϴ , ϳ IP ǻͳ Ʈ ͳ ֵ ش.
߿ܿ Ʈ ͳ Ʈ !
̰ ߿ܿ Ʈ ͳݿ Ʈ ̿ϸ ϴ. , 3G ͳݿ ϸ ƴ϶ Ʈ Ÿ ͳ ߰ϴ ϴ .
Ʈ ״(Tethering)̶ ΰ ִ. , Ǿ Ʈ ͳ ϵ ִ ̴. Ʈ ް Բ ȭ ״ iOS ü ϴ ̳ ȵ̵ 迭 Ʈ ȴ. 3GS USB ״, 4 ״ Ѵ. ȵ̵ 2.2 USB ̸ ״ ϴ.
״ Ʈϰ Ʈ USB ϴ , USB ״ Ȱȭ Ű ͳݿ ִ.
̸ ״ ͳ ִ. , ̸ ϴ ī带 ž ƮϿ Ȱ ִ. Ʈ ״ Ȱȭϸ ͳ ֽ ͳ Ѵ.
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