Zyxel OMNI ADSL LAN H [64/533] Rts cts

Zyxel OMNI ADSL LAN H [64/533] Rts cts
Ɋɭɤɨɜɨɞɫɬɜɨ ɩɨɥɶɡɨɜɚɬɟɥɹ ɞɥɹ ɦɚɪɲɪɭɬɢɡɚɬɨɪɨɜ ɫɟɪɢɢ OMNI ADSL LAN
5-2 ɇɚɫɬɪɨɣɤɚ ɛɟɫɩɪɨɜɨɞɧɨɣ Ʌȼɋ
ɢɫɩɨɥɶɡɨɜɚɬɶ ɤɚɧɚɥ, ɨɬɫɬɨɹɳɢɣ ɧɟ ɦɟɧɟɟ ɱɟɦ ɧɚ ɩɹɬɶ ɤɚɧɚɥɨɜ ɨɬ ɤɚɧɚɥɚ, ɢɫɩɨɥɶɡɭɟɦɨɝɨ ɫɨɫɟɞɧɟɣ
ɬɨɱɤɨɣ ɞɨɫɬɭɩɚ. ɇɚɩɪɢɦɟɪ, ɟɫɥɢ ɜ ɪɟɝɢɨɧɟ ɢɦɟɟɬɫɹ 11 ɤɚɧɚɥɨɜ, ɚ ɜ ɛɥɢɠɚɣɲɟɣ ɬɨɱɤɟ ɞɨɫɬɭɩɚ
ɢɫɩɨɥɶɡɭɟɬɫɹ 1-ɣ ɤɚɧɚɥ, ɬɨ ɫɥɟɞɭɟɬ ɜɵɛɪɚɬɶ ɤɚɧɚɥɵ ɨɬ 6-ɝɨ ɞɨ 11-ɝɨ.
5.1.3 ɂɞɟɧɬɢɮɢɤɚɬɨɪ ESS
ESS ɨɛɨɡɧɚɱɚɟɬ ɝɪɭɩɩɭ ɬɨɱɟɤ ɞɨɫɬɭɩɚ ɢɥɢ ɛɟɫɩɪɨɜɨɞɧɵɯ ɲɥɸɡɨɜ, ɩɨɞɤɥɸɱɟɧɧɵɯ ɤ ɩɪɨɜɨɞɧɨɣ Ʌȼɋ
ɬɨɣ ɠɟ ɩɨɞɫɟɬɢ. ɂɞɟɧɬɢɮɢɤɚɬɨɪ ESS ɹɜɥɹɟɬɫɹ ɭɧɢɤɚɥɶɧɵɦ ɞɥɹ ɤɚɠɞɨɣ ɝɪɭɩɩɵ. ȼɫɟ ɬɨɱɤɢ ɞɨɫɬɭɩɚ ɢ
ɛɟɫɩɪɨɜɨɞɧɵɟ ɲɥɸɡɵ, ɚ ɬɚɤɠɟ ɫɜɹɡɵɜɚɸɳɢɟɫɹ ɫ ɧɢɦɢ ɫɬɚɧɰɢɢ ɛɟɫɩɪɨɜɨɞɧɨɣ ɫɜɹɡɢ ɨɞɧɨɣ ɝɪɭɩɩɵ,
ɞɨɥɠɧɵ ɢɦɟɬɶ ɨɛɳɢɣ ɢɞɟɧɬɢɮɢɤɚɬɨɪ ESS (ESSID).
5.1.4 ɉɟɪɟɞɚɱɚ ɫɢɝɧɚɥɨɜ RTS/CTS
ɉɨɹɜɥɟɧɢɟ ɫɤɪɵɬɨɝɨ ɭɡɥɚ ɫɜɹɡɚɧɨ ɫ ɫɢɬɭɚɰɢɟɣ, ɤɨɝɞɚ ɞɜɟ ɫɬɚɧɰɢɢ ɫ ɨɛɳɟɣ ɬɨɱɤɨɣ ɞɨɫɬɭɩɚ ɪɚɛɨɬɚɸɬ ɜ
ɨɞɧɨɦ ɱɚɫɬɨɬɧɨɦ ɞɢɚɩɚɡɨɧɟ, ɧɨ ɢɯ ɪɚɛɨɱɢɟ ɡɨɧɵ ɧɟ ɫɨɜɩɚɞɚɸɬ. ɉɪɢɜɟɞɟɧɧɵɣ ɧɢɠɟ ɪɢɫɭɧɨɤ ɫɥɭɠɢɬ
ɢɥɥɸɫɬɪɚɰɢɟɣ ɬɚɤɨɝɨ ɫɥɭɱɚɹ. Ɉɛɟ ɫɬɚɧɰɢɢ (STA) ɧɚɯɨɞɹɬɫɹ ɜ ɪɚɛɨɱɟɣ ɡɨɧɟ ɬɨɱɤɢ ɞɨɫɬɭɩɚ (AP) ɢɥɢ
ɪɚɞɢɨɲɥɸɡɚ, ɧɨ ɜɧɟ ɪɚɛɨɱɢɯ ɡɨɧ ɞɪɭɝ ɞɪɭɝɚ, ɬɚɤ ɱɬɨ ɨɧɢ ɧɟ ɦɨɝɭɬ "ɫɥɵɲɚɬɶ" ɞɪɭɝ ɞɪɭɝɚ ɢ ɧɟ "ɡɧɚɸɬ",
ɡɚɧɹɬ ɥɢ ɞɚɧɧɵɣ ɤɚɧɚɥ ɜ ɧɚɫɬɨɹɳɟɟ ɜɪɟɦɹ. Ɍɚɤɢɦ ɨɛɪɚɡɨɦ, ɨɧɢ ɦɨɝɭɬ ɪɚɫɫɦɚɬɪɢɜɚɬɶɫɹ ɤɚɤ
"ɧɟɜɢɞɢɦɵɟ" ɞɪɭɝ ɞɥɹ ɞɪɭɝɚ.
Ɋɢɫ. 5-1 ɉɟɪɟɞɚɱɚ ɫɢɝɧɚɥɨɜ RTS/CTS
Ʉɨɝɞɚ ɫɬɚɧɰɢɹ A ɧɚɱɢɧɚɟɬ ɩɟɪɟɞɚɱɭ ɞɚɧɧɵɯ ɜ ɚɞɪɟɫ OMNI ADSL, ɨɧɚ ɦɨɠɟɬ ɧɟ ɢɦɟɬɶ ɢɧɮɨɪɦɚɰɢɢ ɨ
ɬɨɦ, ɱɬɨ ɤɚɧɚɥ ɭɠɟ ɡɚɧɹɬ ɫɬɚɧɰɢɟɣ B. ɉɪɢ ɨɞɧɨɜɪɟɦɟɧɧɨɣ ɩɟɪɟɞɚɱɟ ɞɚɧɧɵɯ ɨɬ ɞɜɭɯ ɫɬɚɧɰɢɣ ɢ
ɨɞɧɨɜɪɟɦɟɧɧɨɦ ɢɯ ɩɨɫɬɭɩɥɟɧɢɢ ɜ ɬɨɱɤɭ ɞɨɫɬɭɩɚ ɦɨɠɟɬ ɜɨɡɧɢɤɧɭɬɶ ɤɨɧɮɥɢɤɬ, ɫɨɩɪɨɜɨɠɞɚɸɳɢɣɫɹ
ɩɨɬɟɪɟɣ ɫɨɨɛɳɟɧɢɣ ɨɛɟɢɯ ɫɬɚɧɰɢɣ.
ɋɢɝɧɚɥɵ RTS/CTS ɩɪɟɞɧɚɡɧɚɱɟɧɵ ɞɥɹ ɩɪɟɞɨɬɜɪɚɳɟɧɢɹ ɤɨɧɮɥɢɤɬɨɜ, ɨɛɭɫɥɨɜɥɟɧɧɵɯ ɧɚɥɢɱɢɟɦ
ɫɤɪɵɬɵɯ ɭɡɥɨɜ. ȼ ɫɢɝɧɚɥɚɯ RTS/CTS ɫɨɞɟɪɠɢɬɫɹ ɢɧɮɨɪɦɚɰɢɹ ɨ ɧɚɢɛɨɥɶɲɟɦ ɪɚɡɦɟɪɟ ɤɚɞɪɚ, ɤɨɬɨɪɵɣ
ɦɨɠɟɬ ɛɵɬɶ ɨɬɩɪɚɜɥɟɧ ɞɨ ɩɨɥɭɱɟɧɢɹ ɩɨɞɬɜɟɪɠɞɟɧɢɹ ɧɚ ɩɟɪɟɞɚɱɭ ɫɢɝɧɚɥɨɜ RTS (Request To
Send/Ɂɚɩɪɨɫ ɧɚ ɩɟɪɟɞɚɱɭ)/CTS (Clear to Send/Ɋɚɡɪɟɲɟɧɢɟ ɩɟɪɟɞɚɱɢ).

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