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Часть 4. Монтаж беспроводных систем передачи данных. Комплект оборудования для внешних антенн. Внешняя антенна Усилитель с БП (+инжектор) ‏ Антенные разветвители, если несколько антенн ВЧ кабель (Belden 9913) ‏ Грозоразрядник Радиомост Комплект разъемов. Антенны.

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4.


  • (+)

  • ,

  • (Belden 9913)



?


  • ()

  • (dBi, dBd)

  • (0.1-0.4)

  • = 50 O (IEEE 802.11)

  • ( -3dB)


  • ()

  • (yaggi)

  • - ...


(E&H)

  • ( )

    • 3 dB , 0.707=1/sqrt(2)





  • 11 dBi

    2.4

    NN-2400-H

    3607

    OMNI-11

    3606,5


    10

    2400-2485

    7

    - 11 dBi

    1.2-1.5


    7,5 dBi omni 36020 -2402

    E

    2.4

    • , :

    • c


    -2403

    • 3 dBi

    • 36060

    • 2.4


    ,

    5250-5350

    , dBi

    10,0

    . ,

    50

    8

    360

    ,

    50

    . ,

    1,8

    ,

    30-40

    ,

    0,5

    c ,

    ,

    688030

    . , /

    160

    -40 +50

    N

    1

    Omni-5.3-10


    ,

    5250-5350

    , dBi

    7,0

    . ,

    50

    23

    360

    ,

    50

    . ,

    1,8

    ,

    25-45

    ,

    0,35

    c ,

    ,

    6080350

    . , /

    160

    -40 +50

    N

    1

    -5307


    , dBi

    SFA-15

    15

    6712

    6-

    SFA-18

    18

    3012

    GRAD-2486

    11

    18018

    GRAD-2487

    13

    9018

    4-


    -

    2.4

    13 dBi

    9018

    1,5

    250160360

    35-60

    -2487


    5250 - 5350

    17

    3 --

    6,7o62o

    -

    20

    ,

    1.5

    150 /

    15100%

    -40oC .. + 60oC

    107

    (630-800 . .)

    N-

    650X140X20

    ,

    2.0

    PA-5.25-SAV

    1

    (, , )

    1

    1

    PA-5.25-SAV


    FA-20

    • : 40-60

    2.4


    FA-20

    E

    2.4


    PA-2.3-01

    2.4



    (yaggi) 10 & 6

    13dbi

    E

    2.4


    (23 dBi)

    E


    (23-24 dBi)

    E

    E


    2400-2500

    24 dBi

    21 dBi

    -3 dB

    10 .

    50

    N-. Male

    ., .

    32 dB

    2,4

    6975

    -

    40 /

    30-40

    -24


    2-5

    E


    2400-2500

    30 (35 -35) dBi

    32 dBi

    -3 dB

    6 .

    50

    25

    - Male, Female

    N-,TNC .

    ., .

    32 dB

    5,5

    120120

    -

    35 /

    28-45

    -30S-35S


    -30S

    • . 4 .

    • - . (), .

    • . .

    • - , , . .

    • .


    5250 -5350

    24

    3 --

    7,5o7,5o

    -

    20

    ,

    1.5

    150 /

    15100%

    -40oC .. + 60oC

    107 (630-800 . .)

    N-

    385X385X25

    ,

    1,7

    PA-5.25-01

    1

    (, ,)

    1

    1

    PA5.25-01


    PA5.25-01


    ,

    http://www.comptek.ru/wireless/equipment.html


    MT-484033/NV

    5.15-5.875GHz Sector antenna, 16,5 dBi, 60*11, vertical polarization

    MT-484033/NH

    5.15-5.875GHz Sector antenna, 16,5 dBi, 60*11, horizontal polarization

    MT-484032/NV

    5.15-5.875GHz Sector antenna, 17 dBi, 90*7, vertical polarization

    MT-484032/NH

    5.15-5.875GHz Sector antenna, 16,5 dBi, 90*6, horizontal polarization

    MT-484034/NV

    5.15-5.875GHz Sector antenna, 15 dBi, 120*6, vertical polarization

    MT-484034/NH

    5.15-5.875GHz Sector antenna, 15 dBi, 120*6, horizontal polarization

    MT-484026/NV

    5.15-5.875GHz Sector antenna, 16 dBi, 60*10, vertical polarization

    MT-484026/NH

    5.15-5.875GHz Sector antenna, 16 dBi, 60*10, horizontal polarization

    MT-484026/NVH

    5.15-5.875GHz Sector antenna, V-16/H-15 dBi, 60*10, DUAL polarization

    MT-484027/NV

    5.15-5.875GHz Sector antenna, 14 dBi, 90*10, vertical polarization

    MT-484027/NH

    5.15-5.875GHz Sector antenna, 14 dBi, 90*10, horizontal polarization

    MT-484027/NVH

    5.15-5.875GHz Sector antenna,14 dBi, 90*10, DUAL polarization

    MT-120019

    Mounting kit for MT-30093, MT-20004 and sector antennas

    MTI




    • - ()

    • IMD inter modulation distorsion

    • ( )

    • /

    • !


    • N

      Bell Labs Paul Neill

    • BNC = Bayonet Neill [Carl] + Concelman

      Carl Concelman (Amphenol)

    • TNC & RP-TN

      Threaded Neill Concelman BNC

    • SMA Subminiature version A

    • MMCX micro miniature

    • - 50 - 159

    • - 50 - 343


    http://www.hubersuhner.com/p-rf.htm

    www.amphenolrf.com


    N-

    RG-58

    RG-8

    I-connector

    F-F

    M-M


    N-

    • 50

    • 11

    • 1,3


    MMCX

    • 50

    • 6

    • 1.15-1.25

    • 360


    TNC

    • 50

    • 6

    • 1.15-1.25

    • (TNC RP-TNC)


    SMA

    • 50

    • 18

    • 1.05-1.2


    ( 1)


    ( 2)


    • -

      !

    - 154

    - 1,3

    = 5-8



    -

    AD

    PE

    FoamPE

    AD/PE -


    ; (2,62 0,02)

    ; (7,25 0,2)

    (50-60)% , ; 8,0

    ; (10,30 0,30)

    50 2

    80 /

    1

    400

    1,22

    ,

    5000 x

    / ,

    3,6/12,3 /

    ,

    30 /

    50

    3

    60 +85

    . >5 / <5

    100/200

    12

    127,5 /

    Belden H2000




    • , 1dB

    • ( )

      • (N-)

      • ?


    • . , .

    • . , .

    • . , , , , - .



    • + 0.5 dB


    :

    -20 dB

    SNR


    • :

      • :

        • P=20 dBm(100 mW) -> Belden 9913 -> Manus 100 mW

        • 20 dBm - 44 m x 0.23 dB/m = 10 dBm -> 100 mW

      • -

      • - :

      • -

      • - ( )

      • ( )


    • ( )

    • P = kT B

    • ( )


    Manus

    MANUS-212-01

    MANUS-212-10

    MANUS-212-20

    MANUS-212-40


    -212-01

    • 2,4-2,5GHz -60db

    • 5V/0,2

      Belden9913 120


    212-01

    212-10

    212-20

    212-40

    212-BT

    ,

    12-14

    20-23

    25

    30

    2,8-3,0

    2,5-3,3

    2,2

    3,0

    ,

    3

    10

    5

    5

    ,

    14-15

    24-27

    25

    30

    20-23

    ,

    90-100

    740-1000

    1700-2000

    3900

    740-1000

    ,

    0,1-0,3

    0,2-0,4

    0,1-0,3

    0,2

    ,

    0,5-1

    0,5-1

    0,5

    0,5

    ,

    0,5-100

    0,5-100

    0,5-100

    0,5-100

    0,5-100

    ,

    5

    12

    12

    12

    12

    ,

    0,2

    0,7

    0,8

    1,6

    1


    MANUS-5202


    , :

    5.15 ... 5.35

    :

    , :

    0.5

    , :

    -40 ... +50

    (min/max), :

    10.5/15

    (min/max), :

    0.15/0.8

    (), :

    0.5

    /, :

    2 / 3.5

    , :

    30 (10%)

    , :

    200 (10%)

    , :

    20

    :

    , :

    34 (10%)

    , :

    3 (10%)

    MANUS-5202


    • -

    • ( )

    • (, )

    • ( )



    :

    50KA * 0.0001 = 5V


    60-.


    • 464-79 (90) : 20 - 55 - 100 - 1000

    • ()

    • , ,

    • :

      • 10- 3 (~ 230 )

      • 20

    • ():

      28 14AWG (4 ) - 1 8AWG (16 ) 25

    • : (!) U,V- ,

      90 ,

      20


      • :

        Polyphazer's Lightning Arrestor, Aironet's Lightning Arrestor

    • :

      QuartWave Lightning Arrestor


  • "-" 7,5


    :


    • , ,

    • 15 V

    • 10 V/m



    (Delay Spread)

    /

    • (IP-ping)

    • (%)


    • (SNR, LQ, % )

    • RTT (Round Trip Time ), -

    • ( )


      • Traffic generator (NetXRay)

      • NetPerf

      • IPerf

      • DBS

      • ftp (TCP/IP)

      • NetStumbler

      • (Cisco Aironet)


    Burst Rate & Actual Data Throughput

    ( benchmark)

    • Carrier sensing

    • Training

    • Collisions

    • Error correction

    • Service messages

      • CSMA/CA

      • Duplex

      • Half-duplex


    ethernet ethernet


    Overhead 802.11


    NetPerf

    • Shareware Hewlett Pakard

    • IP (TCP UDP)

    • - (netperf & netserv)

    • http:\\www.netperf.org -


    Operating System

    Distribution Type

    File Size

    Format

    unix / win32

    source code

    177 KB

    .tar.gz

    Linux libc 2.1

    binary

    147 KB

    .tar.gz

    Linux libc 2.3

    binary

    68 KB

    .tar.gz

    FreeBSD 4.7

    binary

    56 KB

    .tar.gz

    FreeBSD 5.0

    binary

    58 KB

    .tar.gz

    Irix 6.5

    binary

    290 KB

    .tar.gz

    MacOS X (Darwin 6.4)

    binary

    77 KB

    .tar.gz

    Microsoft Windows

    binary

    120 KB

    EXE

    OpenBSD 3.1

    binary

    88 KB

    .tar.gz

    Solaris 7

    binary

    68 KB

    .tar.gz

    Solaris 8

    binary

    63 KB

    .tar.gz

    IPerf

    http://dast.nlanr.net/Projects/Iperf/


    FTP & Ping

    • (: RTT kbytes/sec)

    • FTP Benchmark - TCP/IP

    • TCP/IP



    Fluke Etherscope

    rfc2544

    ,

    wi-fi


    Fluke ClearSight Analyzer


    Fluke Optiview


    Fluke OptiviewManagement Appliance

    Standalone

    Real Time




    -

    - 2.4 50mW 2Mbit/sec


    overhead


    50

    20

    ( ) 10



    4

    2.442 100 mW 2 Mb/sec 23 dB + 13 dB

    -



      • (100 x 2.4-2.5 )

      • OFDM, DSSS, FHSS

    • firmware

    • :

      • . .

      • .

      • . ()


    • :

      • -


    (fade margine)

    Bit Rate

    ,


    • IP


    • -

      • ,


    : ?

    • ;

    • firmware;

    • ():

      • ;

      • ;

    • .


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