Sistimi ea Fiber Optic Cellular Repeaters (FOR) e etselitsoe ho rarolla mathata a lets'oao le fokolang la selefouno sebakeng se hole le BTS (Base Transceiver Station) mme se na le marang-rang a fiber optic cable ka tlas'a lefatše.
Rarolla libaka life kapa life tseo ho leng thata ho fihla ho tsona!
Sistimi eohle ea FOR e na le likarolo tse peli: Yuniti ea Bafani le Yuniti e hole.Li fetisa le ho holisa lets'oao le se nang mohala lipakeng tsa BTS (Base Transceiver Station) le mehala ka likhoele tsa fiber optic.
Yuniti ea Donor e ts'oara lets'oao la BTS ka "coupler e tobileng e koetsoeng ho BTS (kapa ka phetisetso ea moea e bulehileng ea RF ka Donor Antenna), ebe e e fetola lets'oao la optic ebe e fetisetsa lets'oao le holisitsoeng ho Setsi sa Remote ka likhoele tsa fiber optic.Setsi sa Remote se tla fetolela lets'oao la optic bocha hore e be lets'oao la RF le ho fana ka lets'oao libakeng tseo marang-rang a sa lekaneng.'Me lets'oao la mohala le lona le holisitsoe mme le fetisetsoa ho BTS ka tsela e fapaneng.
KingtoneFiber Optic Repeaters e etselitsoe ho rarolla mathata a lets'oao le fokolang la mohala, le theko e tlase haholo ho feta ho theha Seteishene se secha sa Base (BTS).Ts'ebetso ea mantlha ea sistimi ea RF Repeaters: Bakeng sa sehokelo se tlase, mats'oao a tsoang ho BTS a fepeloa ho Donor Unit (DOU), DOU ebe e fetolela lets'oao la RF ho lets'oao la laser ebe e fepa fiber ho fetisetsa Unit Remote (ROU).RU ebe e fetolela lets'oao la laser ho lets'oao la RF, 'me u sebelise Power Amplifier ho holisa matla a phahameng ho IBS kapa antenna e koahelang.Bakeng sa sehokelo sa holimo, Ke ts'ebetso ea morao-rao, matšoao a tsoang ho mosebelisi a fepeloa boema-kepeng ba MS ba DOU.Ka duplexer, lets'oao le holisoa ke amplifier ea lerata le tlase ho ntlafatsa matla a lets'oao.Ebe mats'oao a feptjoa ho RF fiber optical module ebe e fetoleloa ho matšoao a laser, ebe lets'oao la laser le fetisetsoa ho DOU, lets'oao la laser le tsoang ROU le fetoleloa ho RF lets'oao ke RF optical transceiver.Ebe mats'oao a RF a matlafatsoa ho mats'oao a matla a eketsehileng a feptjoang ho BTS.
Likaroloana
- Aluminium-alloy casing e na le khanyetso e phahameng ho lerōle, metsi le ho senya;
- Omni-directional coverage antenna e ka amoheloa ho atolosa tšireletso e eketsehileng;
- Ho amohela mojule oa WDM (Wavelength Division Multiplexing) ho hlokomela phetiso ea nako e telele;
- Boleng bo tsitsitseng le bo ntlafetseng ba phetiso ya matshwao;
- Yuniti e le 'ngoe ea bafani e ka tšehetsa likarolo tse 4 tsa Remote ho eketsa tšebeliso ea thapo ea fiber optic;
- Boema-kepe ba RS-232 bo fana ka likhokahano tsa bukana bakeng sa bookameli ba lehae le modem e hahelletsoeng ka waelese ho buisana le NMS (Network Management System) e ka hlokomelang boemo ba ho sebetsa ba motho ea phetang sebaka e le hole le ho khoasolla litekanyetso tsa ts'ebetso ho ea phetang.
| Pro | Con |
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DOU+ROU Specification ea Tekheniki ea Sistimi Eohle
| Lintho | Teko Boemo | Tlhaloso ea Setsebi | Memo | |
| uplink | theolelo | |||
| Maqhubu a Range | Ho sebetsa ka sehlopha | 824MHz-849MHz | 869MHz-894MHz |
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| Max Bandwidth | Ho sebetsa ka sehlopha | 25MHz |
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| Output Power (Max.) | Ho sebetsa ka sehlopha | 37±2dBm | 43±2dBm | Customized |
| ALC (dB) | Kenya 10dB | △Po≤±2 |
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| Max Gain | Ho sebetsa ka sehlopha | 90±3dB | 90±3dB | ka tahlehelo ea tsela ea 6dB optic |
| Fumana Range e Fetohang (dB) | Ho sebetsa ka sehlopha | ≥30 |
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Fumana Linear e fetolehang (dB) | 10dB | ±1.0 |
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| 20dB | ±1.0 |
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| 30dB | ±1.5 |
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| Ripple in Band(dB) | Bandwidth e Sebetsang | ≤3 |
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| Boemo ba ho kenya | Tsoela pele 1min | -10 dBm |
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| Ho lieha ha phetisetso (rona) | Ho sebetsa ka sehlopha | ≤5 |
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| Palo ea Lerata (dB) | Ho sebetsa ka sehlopha | ≤5 (Max.gain) |
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| Thibelo ea ho nyenyefatsa | 9kHz ~ 1GHz | ≤-36dBm/100kHz |
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| 1GHz ~ 12.75GHz | ≤-30dBm/1MHz |
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| Boema-kepe VSWR | Boema-kepe ba BS | ≤1.5 |
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| MS Port | ≤1.5 | |||
