GSM Repeater - PowerPoint PPT Presentation

1 / 30
About This Presentation
Title:

GSM Repeater

Description:

GSM Repeater ... – PowerPoint PPT presentation

Number of Views:149
Avg rating:3.0/5.0
Slides: 31
Provided by: Paya4
Category:
Tags: gsm | repeater

less

Transcript and Presenter's Notes

Title: GSM Repeater


1
???? ???
  • ????? ????? ?????????? ???? ?????
  • GSM Repeater

2
????? ? ??????? ???? ???
  • ???? ??? ?? ??? 1363 ?? ????? 52681 ?? ????? ???
    ?????. ????? ???? ?????? ???? ?????? ???? ?
    ???? ?????? ??? ?????? ????? ???? ??? ???????? ?
    ?????? ??? ????? ????? ???? ????? ?? ????. ?????
    ????? ???? ?? ???? ??? 1363 ?? ???? ????????? ??
    ???? 300 bps ????? ??????. ? ?? ????? ???? ?????
    ????? ??? ??????? ? ???????? ?? ??????? Wired?
    Wireless ? Fiber optic ????? ????.

3
????? ???????
  • HiDSL
  • PDH
  • SDH
  • GSM Repeater

4
????? ???????
  • ???? HiDSL
  • ?????? ???? ?? ???? ?????? 2.304 Mbps ??? ?? ???
    ??? ??? 0.4mm ?? ????? 3.8 ???????
  • ?????? ?? ?????? ??? ???? G.703/G.704 ? V.35 ?
    Ethernet
  • ?????? ????? ?????? ?? ???? AC/DC ? ?? ?? ?
    ?????? ????? (remote feed)
  • ?????? ??????? ?? ???? ???? ? ??????

5
????? ???????
  • ???? ???? PDH
  • ?????? 4 ?? 16 ?? E1 ?? ??? ???? ???? ?? ?????
    ???? Ethernet 10/100
  • ?????? ??? ?? ??? ??? 1310nm ? ?? 1550nm
  • ??????????? LED ??? ????? ????? ?????? ???? ?
    ?????? ?????
  • ?????? Loop ? ????? ??????? ?? ???? ????? ??? ???
    ?????? ? ?? ??? ????? ????????? (?? ???? ????
    ?????) ? ?? ???? LCD ???????

6
????? ???????
  • ?????? ?????? ???? SDH
  • ????? ??? ?? ???? ????????? ITU-T ???? ????
    155/520 Mbs (STM-1)
  • ???? ??????? ?? ???? ???? ? ?? ????? (compact)
  • ??????? ?????? ??????? ?? ????? 6 ???? ???? STM-1
    ? 210 ???? E1
  • ???? ??????? ?? ?????? ???? ?? ???? ? ???? ???
    ?????? ??? ?????? ????? ???????? ? ??? ?????

7
????? ???????
  • ?????????? ???? ?????
  • ?? ?? ??? Channel Selective? Band Selective ?
    Frequency Shifting
  • ???? ??????? ?? ???? ??? ? ????? ????? ?????
  • ????? ??? ???? ???? ??? ????? ??? WLL? ???? ?????
    ??? ?? ???? ???? ?????? ???? ??? ??????? ??? ????
    ?? ? ????? ???? ????? ????? ? ??????

8
????? ???? ? ??????
  • HiDSL
  • ?? ?????? ????? ??? ?? 90 ????? ????? ????
  • ???? ??????? ?? ????? ??? ????????? ????? ?????
    ?????? ?????? ???????? ??????? ???? ??????
    ??????? ?????? ?????? ?????? ?????? ?????????
    ??????? ???????? ?????? ????? ?...
  • PDH ? SDH
  • ?? ?????? ????? 70 ????? ????? ?? ??? 85
  • ?? ?????? ????? 90 ????? ????? ?? ??? 86
  • ???? ? ??? ?????? ??? ?? 5000 ???? ??????? ????
    ?? ????

9
????? ???? ? ??????
  • ???? ??????? ?????? ?? ????? ??? ????????? ?????
    ????????? ????? ??????? ??????? ?????? ?????
    ?????? ?????? ? ????????? ?????? ?????????
    ????????? ??????? ??????? ???????? ???? ??????
    ???????? ?????? ????? ?...
  • GSM Repeater
  • ?? ?????? ????? 70 ????? ????? ?? ??? 86
  • ???? ??????? ?? ????? ??? ?????? ????????? ?????
    ?????? ????? ????????? ?????? ?????? ? ?????????
    ??????? ???????? ?????? ??????? ???????? ?
    ????????? ?? ? ....

10
????? ???? ? ??????
??????? ????? 90 ?????? ABS CS
??????? ?????? 20 ?????? ABS
??????? ???? 150 ?????? FS
???? ??? ?????? 4 ?????? ABS
??????? ? ???? 20 ?????? FS
??????? ????? 120 ?????? FS CS
??????? ??????? 3 ?????? ABS
??????? ????? 1 ?????? ABS
??????? ???????? 32 ?????? ABS
11
????? ???? ? ??????
??????? ?????? 60 ?????? FS ABS CS
??????? ????? 19 ?????? FS ABS CS
??????? ???????? 12 ?????? FS ABS CS
??????? ?????? ???? 20 ?????? FS ABS
??????? ????? 40 ?????? FS
??????? ?? 2 ?????? ABS
??????? ??? 40 ?????? FS ABS CS


12
????? ??????? ?? GSM Repeater
  • ????? ?????? ? ?????? ?? ???? ???? ?? ??????
    ??????? ???? ????? ? ?? ???? ???
  • ??????? ?? ?????? ??? ?????? ??? ?? BTS ?? ????-
    ???? ?? ?????? ???? ?????? ?? ?? ???
  • ????? ????? ??????? ??? BTS??? ?? ????? ????? ?
    ??????? ?? ???? ??? ??? ?? ?? ?????? ??? ?????-
    ??? BTS

13
??????? ? ?????? GSM Repeater
  • ????? Repeater ???? ??????? indoor/outdoor ??
    ??????
  • Channel Selective
  • Adjustable Band Selective
  • Frequency Shifting
  • Hybrid (CS ABS)
  • ?????? ?????? ?????? ?? ???? ?? ???? Cable
    (Coupling) ? ?? Wireless
  • ?????? ????? ?? ???? AC-220V ?? DC-48V
  • ?????? ??????? ?? Backup Battery

14
??????? ? ?????? GSM Repeater
  • ?????? ???????? ?? ???? ??? ?????
  • ??????? ???? ?????? ??? ?????? ?????
  • ????? ?????? ??? ???? ? ?? ??? ??? ???? ?????
    ??????? ?????? ? ?????? ??????? ????? ?? ??? ????
  • ????? ???? ????? ? ??????? ?????? ?? ??? ??????
    ???? ????? ??????? ? ?????? ????? ???? ???? ??
    ????????
  • ???? ??????? ?? ????? ???? ?? ? ?????

15
??????? ? ?????? GSM Repeater
  • ????? ???? LCD ? ??????? ?????? ??? ??????

16
Channel Selective Repeaters
  • ????? ??? ???? ???? ?? ? ????? ??? WLL

17
Channel Selective Repeaters
  • ????? ?????? ??? ????? ?? ???? ????? ??? ???? ?
    ?? ???? 2 ?????? 4 ?????? 6 ????? ? 8 ????? ??
    ???? ?? ?????? ??? ?????? ??????
  • ?? ???? ????? 2w? 5w? 10w ? 20w ?? ???? ?? ??????
    ??? ?????? ??????

18
Adjustable Band Selective Repeaters
  • ????? ??? ???? ???? ??? ??????? ??? ???? ?? ?
    ????? ???? ????
  • ?????? ????? ????? ???? ????? ???? ????? ?? 25KHz
    ?? 25MHz
  • ?? ???? ????? 2w? 5w? 10w ? 20w ?? ???? ?? ??????
    ??? ?????? ??????
  • ??? ???? ?? ??? ??? ?? ????? ???? ???? (wide
    band) ??? ???? ????? ??????? ?? ??? 500 ???????
    ??????? ?? ???.

19
Adjustable Band Selective Repeaters
20
Frequency Shifting Repeaters
  • ????? ???? ?????? ?????? ?? ?? ????? ?? ???? ??
    ??????? ???? ????? ??? ?? ???? ???? ???? ??????
    ???? ????? ????? ??? WLL ? ?????? ?? ?? ???
    ?????? ????? ? Isolation ????? ??????? ?? ?????
    Channel Selective ? Band Selective ????? ???
    ????.
  • ????? ?? ?????? Master ? Slave
  • ?????? ?????? ?????? ?? ???? BTS ?? ???? Cable
    (Coupling) ? ?? Wireless

21
Frequency Shifting Repeaters
22
Frequency Shifting Repeaters
  • ?????? ?????? ?????? ??? ?????? ??? Master ?
    Slave ?? ??????? ????? 900MHz? 1500MHz ? 1800MHz
  • ?????? ?????? ?????? ??? ?????? ??? Master ?
    Slave ?? ???? Wireless ?? Fiber Optic

23
Frequency Shifting Repeaters
24
????? ??? ?????? ?????? ??? ????
  • ??? ????? ???? ? ???? ?? ?????? ?????????? ?
    ????? ?????? Repeater
  • ????? ??? ????? ???? ????? ?????? ?? ??? Server ?
    ???- ???????? Client ?? ???? ???? ? ???? ??? ??
    ??? ????? ????????
  • ????? ???? ??? ????? ??? ????? Server ? ??????
    Repeater

25
????? ??? ?????? ?????? ??? ????
26
????? ??? ?????? ?????? ??? ????
27
????? ???? ??
  • ???? ???? (panel) ?? ?? ????? ???? ????? ???????
    ????? ?????? ????? ?????? 13050 ????? ??? ???? ?
    ???? ????? ???? ???? ???? ????? ????? ??? ??
    ????? ?? ?? 38 ?? 90 ???? ????? ???? ???? ????.
    ???? ????? (Gain )?? 18dbi ?? 16dbi ?? ???? ?
    ?? ????? ????? ????? ??? ???? 13 ?? 15 ???? ???.

28
????? ???? ??
  • ???? ????????? ?? Fire Short Back ?? ?? ?????
    ???? ???? (donor) ? ?? ???? ???? (link) ???????
    ??????. ??? ???? ???? ???? ? ????? db gain ??
    14.5 ?? 22???? ? ????? ??? ? ?????? 25 ?? 35
    ???? ??????.

29
????? ???? ??
  • ???? ???? (Yagi) ?? ????? ???? ???? (donor)
    ??????? ?? ???. ??? ?? ?? ???? 7 ?? 11 ????? ????
    ????? 10dbi ?? 13dbi ? ????? ???? ???? ?? ???? 25
    ???? ???. ??? ???? ?? ???? ????? ??????? ?? ????
    ?? pattern ??? ?????.

30
AIR LOSS
  • ??? ?? ?? ???? ?? ???? ????? ??? ???? ?? ??????
    ??? ?? ?? ?? ???? ?? ?????? ?????? ? ????? ??? ?
    ????? ???? ????? ?? ???? ????? ????. ???? ?????
  • Air Loss 20log ( KFD )
  • ?? K ????? ???? ?????? ?? ????? ????? ? F
    ?????? ??? ????? ??? ? D ????? ???? ?????? ????
    ??? ?? ???? ( ???? ) ?????? ?? ???? ?????? ???
    ????? ?? ???? ??? ????? ?????
  • Air loss 31.5 20 log ( D )???? 900Mhz
  • Air loss 37.5 20 log ( D )???? 1800Mhz
Write a Comment
User Comments (0)
About PowerShow.com