Bluetooth
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ᠠᠵᠢᠯᠯᠠᠬᠤ ᠵᠠᠷᠴᠢᠮ
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ᠲᠥᠬᠦᠭᠡᠷᠡᠮᠵᠢ ᠬᠣᠯᠪᠤᠵᠤ ᠪᠠᠢᠢᠨᠠ |
Bluetooth ᠨᠢ ᠷᠠᠳᠢᠣ᠋ ᠳᠣᠯᠭᠢᠶᠠᠨ ᠠᠰᠢᠭᠯᠠᠵᠤ ᠠᠵᠢᠯᠯᠠᠳᠠᠭ᠃ ᠢᠩᠭᠢᠬᠦ ᠳᠦ ᠪᠡᠨ ISM ᠵᠤᠷᠪᠤᠰ ᠤᠨ ᠳᠣᠯᠭᠢᠶᠠᠨ ᠠᠰᠢᠭᠯᠠᠳᠠᠭ ᠪᠠ ᠡᠨᠡᠬᠦ ᠵᠤᠷᠪᠤᠰ ᠨᠢ ᠭᠡᠷ ᠠᠬᠤᠢ ᠶᠢᠨ ᠴᠠᠬᠢᠯᠭᠠᠨ ᠬᠡᠷᠡᠭᠰᠡᠯ᠂ ᠤᠲᠠᠰᠤ ᠦᠭᠡᠢ ᠬᠣᠯᠪᠣᠭᠠᠨ ᠤ ᠰᠦᠯᠵᠢᠶᠡᠨ ᠳᠦ ᠴᠤ ᠪᠠᠰᠠ ᠠᠰᠢᠭᠯᠠᠭᠳᠠᠳᠠᠭ ᠪᠢᠯᠡ᠃ ISM ᠭᠡᠳᠡᠭ ᠨᠢ Industry᠂ Science and Medicine (ᠦᠢᠯᠡᠳᠪᠦᠷᠢ᠂ ᠰᠢᠨᠵᠢᠯᠡᠬᠦ ᠤᠬᠠᠭᠠᠨ᠂ ᠡᠮᠨᠡᠯᠭᠡ) ᠭᠡᠰᠡᠨ ᠦᠭᠡ ᠶᠢᠨ ᠲᠣᠪᠴᠢᠯᠠᠯ᠃
Bluetooth ᠬᠣᠯᠪᠣᠭᠠᠨ ᠳᠤ ᠬᠡᠷᠡᠭᠯᠡᠳᠡᠭ ᠦᠶᠡᠯᠡᠵᠡᠯ ᠨᠢ 2.402-2.48 GHz᠃[1] ᠦᠶᠡᠯᠵᠡᠯ ᠦᠨ ᠦᠰᠦᠷᠦᠯᠲᠡ ᠲᠡᠢ ᠲᠠᠷᠬᠠᠯᠲᠠ ᠶᠢᠨ ᠰᠫᠧᠻᠲ᠋ᠷ (Frequency Hopping Spread Spectrum᠂ FHSS) ᠠᠷᠭᠠ ᠶᠢ ᠬᠡᠷᠡᠭᠵᠢᠭᠦᠯᠳᠡᠭ᠃ FHSS ᠪᠣᠯ ᠬᠡᠷᠡᠭᠵᠢᠭᠦᠯᠬᠦ ᠳᠦ ᠬᠢᠯᠪᠠᠷ ᠡᠩ ᠦᠨ᠂ ᠥᠷᠭᠡᠨ ᠵᠤᠷᠪᠤᠰ ᠤᠨ ᠰᠠᠭᠠᠳ ᠲᠤ ᠲᠡᠰᠪᠦᠷᠢ ᠲᠣᠭᠲᠠᠪᠤᠷᠢ ᠲᠠᠢ ᠪᠠᠶ᠋ᠢᠳᠠᠯ ᠢ ᠬᠠᠩᠭᠠᠵᠤ ᠥᠭᠳᠡᠭ᠂ ᠲᠣᠨᠣᠭ ᠲᠥᠬᠥᠭᠡᠷᠦᠮᠵᠢ ᠨᠢ ᠬᠢᠮᠳᠠ ᠲᠥᠰᠥᠷ᠃
FHSS ᠠᠷᠭᠠ ᠶᠢ ᠬᠡᠷᠡᠭᠯᠡᠬᠦ ᠦᠶᠡ ᠳᠦ ᠵᠥᠭᠡᠭᠡᠭᠴᠢ ᠦᠶᠡᠯᠵᠡᠯ ᠰᠧᠻᠦ᠋ᠨ᠍ᠳ᠋ ᠍ ᠲᠦ 1600 ᠤᠳᠠᠭᠠ ᠦᠰᠦᠷᠦᠩᠭᠦᠢ ᠰᠣᠯᠢᠭᠳᠠᠳᠠᠭ᠃[2] 1 MHz ᠍ ᠤᠨ ᠥᠷᠭᠡᠨ ᠲᠡᠢ 79 ᠠᠵᠢᠯ ᠤᠨ ᠦᠶᠡᠯᠡᠵᠡᠯ ᠢ ᠢᠯᠭᠠᠳᠠᠭ᠃ ᠬᠠᠷᠢᠨ ᠶᠠᠫᠣᠨ᠂ ᠹᠷᠠᠨᠼᠢ᠂ ᠢᠰᠫᠠᠨᠢ ᠤᠯᠤᠰ ᠤᠳ ᠲᠤ ᠲᠡᠷᠬᠡᠦ ᠵᠤᠷᠪᠤᠰ ᠢ ᠤᠯᠠᠮ ᠨᠠᠷᠢᠰᠬᠠᠵᠤ 23 ᠦᠶᠡᠯᠡᠵᠡᠯ ᠦᠨ ᠰᠤᠪᠠᠭ ᠢ ᠢᠯᠭᠠᠳᠠᠭ᠃ ᠦᠶᠡᠯᠵᠡᠯ ᠰᠣᠯᠢᠬᠤ ᠳᠠᠷᠠᠭᠠᠯᠠᠯ ᠨᠢ ᠲᠣᠬᠢᠶᠠᠯᠳᠤᠯ ᠤᠨ ᠲᠥᠰᠲᠦ (pseudorandom) ᠪᠥᠭᠡᠳ ᠳᠠᠮᠵᠢᠭᠤᠯᠤᠭᠴᠢ᠂ ᠬᠦᠯᠢᠶᠡᠨ ᠠᠪᠤᠭᠴᠢ ᠬᠣᠶᠠᠷ ᠲᠤ ᠯᠠ ᠮᠡᠳᠡᠭᠳᠡᠳᠡᠭ᠃ ᠳᠠᠮᠵᠢᠭᠤᠯᠤᠭᠴᠢ ᠪᠠ ᠬᠦᠯᠢᠶᠡᠨ ᠠᠪᠤᠭᠴᠢ ᠨᠢ 625 mks (ᠬᠤᠭᠤᠴᠠᠭᠠᠨ ᠤ ᠨᠢᠭᠡᠨ ᠮᠥᠴᠡᠯᠭᠡ) ᠲᠤᠲᠤᠮ ᠳᠤ ᠰᠢᠨᠡ ᠵᠥᠭᠡᠭᠡᠭᠴᠢ ᠦᠶᠡᠯᠡᠵᠡᠯ ᠳᠦ ᠬᠥᠭᠯᠡᠭᠳᠡᠳᠡᠭ᠃
ᠢᠩᠭᠢᠭᠰᠡᠨ ᠢᠢᠡᠷ ᠣᠶ᠋ᠢᠷᠠ ᠵᠡᠷᠭᠡᠯᠡᠳᠡᠭᠡ ᠬᠡᠳᠦ ᠬᠡᠳᠦᠨ ᠳᠠᠮᠵᠢᠭᠤᠯᠤᠭᠴᠢ ᠪᠠ ᠬᠦᠯᠢᠶᠡᠨ ᠠᠪᠤᠭᠴᠢ ᠠᠵᠢᠯᠯᠠᠵᠤ ᠪᠠᠶ᠋ᠢᠪᠠᠴᠤ ᠬᠠᠷᠢᠯᠴᠠᠨ ᠰᠠᠭᠠᠳ ᠡᠭᠦᠰᠬᠡᠳᠡᠭ ᠦᠭᠡᠢ᠃ ᠠᠵᠢᠯ ᠤᠨ ᠡᠶ᠋ᠢᠮᠦ ᠭᠣᠷᠢᠮ ᠨᠢ ᠪᠠᠰᠠ ᠨᠢᠭᠤᠴᠠᠯᠠᠯ ᠬᠠᠳᠠᠭᠠᠯᠠᠬᠤ ᠲᠣᠭᠲᠠᠯᠴᠠᠭᠠᠨ ᠤ ᠨᠢᠭᠡᠨ ᠬᠡᠰᠡᠭ ᠪᠣᠯᠳᠠᠭ᠃ ᠵᠥᠭᠡᠭᠡᠭᠴᠢ ᠦᠶᠡᠯᠵᠡᠯ ᠢ ᠰᠣᠯᠢᠬᠤ ᠨᠢ ᠪᠠᠰᠠ ᠲᠣᠬᠢᠶᠠᠯᠳᠤᠯ ᠤᠨ ᠲᠥᠰᠲᠦ ᠶᠠᠪᠤᠭᠳᠠᠬᠤ ᠶᠢᠨ ᠰᠠᠴᠠᠭᠤ ᠬᠣᠯᠪᠣᠯᠲᠠ ᠪᠦᠷᠢ ᠳᠦ ᠲᠤᠰ ᠲᠤ ᠨᠢ ᠲᠣᠳᠣᠷᠬᠠᠶ᠋ᠢᠯᠠᠭᠳᠠᠳᠠᠭ᠃
Bluetooth ᠫᠷᠣᠲ᠋ᠣᠻᠣᠯ ᠨᠢ "ᠴᠡᠭ ᠡᠴᠡ ᠴᠡᠭ"᠂ "ᠴᠡᠭ ᠡᠴᠡ ᠣᠯᠠᠨ ᠴᠡᠭ" ᠭᠡᠰᠡᠨ ᠬᠣᠯᠪᠣᠯᠲᠠ ᠶᠢ ᠳᠡᠮᠵᠢᠳᠡᠭ᠃
ᠲᠣᠭᠠᠨ (digital) ᠥᠭᠭᠥᠭᠳᠡᠯ ᠪᠣᠯᠤᠨ ᠳᠠᠭᠤᠨ ᠳᠣᠬᠢᠶᠠ (ᠬᠣᠶᠠᠷ ᠴᠢᠭᠯᠡᠯ ᠳᠦ ᠪᠡᠨ 64 kbit/s) ᠳᠠᠮᠵᠢᠭᠤᠯᠬᠤ ᠳᠤ ᠻᠣᠲᠯᠠᠬᠤ ᠥᠭᠡᠷᠡ ᠥᠭᠡᠷᠡ ᠵᠠᠭᠪᠤᠷ ᠠᠰᠢᠭᠯᠠᠳᠠᠭ᠃ ᠳᠠᠭᠤ ᠶᠢ ᠳᠠᠪᠲᠠᠨ ᠳᠠᠮᠵᠢᠭᠤᠯᠬᠤ ᠦᠭᠡᠢ᠂ ᠬᠠᠷᠢᠨ ᠲᠣᠭᠠᠨ ᠥᠭᠭᠥᠭᠳᠡᠯ ᠦᠨ ᠪᠠᠭᠴᠠ ᠠᠯᠳᠠᠭᠳᠠᠭᠰᠠᠨ ᠲᠣᠬᠢᠶᠠᠯᠳᠤᠯ ᠳᠤ ᠳᠠᠪᠲᠠᠨ ᠳᠠᠮᠵᠢᠭᠤᠯᠳᠠᠭ᠃
ᠨᠡᠷᠡ ᠲᠣᠮᠢᠶᠠᠯᠠᠯ
ᠡᠬᠢ ᠰᠤᠷᠪᠤᠯᠵᠢ
- ↑ Soltanian A., Van Dyck R.E. Performance of the Bluetooth system in fading dispersive channelsand interference // IEEE Global Telecommunications Conference, 2001. https://ieeexplore.ieee.org/document/966332/?arnumber=966332
- ↑ Katie Terrell Hanna, John Burke, Nemertes Research. Frequency-Hopping Spread Spectrum (FHSS). TechTarget 2021/07. https://www.techtarget.com/searchnetworking/definition/frequency-hopping-spread-spectrum