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BTS

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Viewing 15 posts - 346 through 360 (of 469 total)
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  • #39530 Reply
    ridwan
    Guest

    how to create config 3333 in 1 cabinet?,if can,,,how the step?.and how for 4444

    thanks

    #39531 Reply
    srini
    Guest

    vetri,

    In moto if you calibrate , in single density mode , the CTU-2 carrier capicity is made to one , then the TX pwr can be made max to 60 W o/p .

    In Double density mode the CTU-2 carrier capacity is made to two , and the TX pwr can be made to 20W o/p max .

    #39532 Reply
    Rajnish
    Guest

    Hi All,

    Please tell me the difference between 2×1 & 2×2 frequency hopping.

    Thanks,

    Rajnish

    #39533 Reply
    sanjib
    Guest

    What is the term time slots in the BTS Installation? I am eager to know more details of the BTS installations and the companies except Erricson,Alcatel in the BTS installations?
    What is IBD and how many couplers do it have?
    I will be greatful if you answer me?

    #39534 Reply
    RIDWAN
    Guest

    how to create config IN NOKIA bts 3333 in 1 cabinet?,if can,,,how the step?.and how for 4444.

    #39535 Reply
    PRASHANT SINGH
    Guest

    hi can any one tell me can we used three sectors in metro btsif yes how tell me iam waiting

    #39536 Reply
    Floyd
    Guest

    Hi,

    I’m new to GSM Tech.
    Pls let me know the DUAMCO, CU, DULNA & Bport their relations regarding SIEMENS BTS

    sorry for disturbing.

    Thanks

    #39537 Reply
    yellaiah
    Guest

    dear prashanth,

    we can use 3 sectors in metro site, i.e by using 3 seperate cabinets.

    In each cabinet use 3 TRXs and forth one is dummy.

    For these 3 TRX, internal cabling is
    IN of1 TRX to OUTof 2 TRX,

    IN of 2 TRX to OUT of 3 TRX and

    IN OF 3 TRX to OUT of 1 TRX.

    try this, u may not get any alarams.

    with regatds

    Yellaiah
    (gyellaiah@atspl.com)

    #39538 Reply
    yellaiah
    Guest

    hai, this is Yellaiah, can anyone help me abt following doubts:

    1.Wht is DIVERSITY PRINCIPLE

    2.wht is the need of Diversity at RECEIVER SECTION.

    please give WEB addresses for these areas.

    thanking
    with regards

    gyellaiah@atspl.com

    #39539 Reply
    patrick
    Guest

    RIDWAN – 11 Jul 2006
    how to create config IN NOKIA bts 3333 in 1 cabinet?,if can,,,how the step?.and how for 4444

    do you want to create 4 sectors??

    SOFT and CONFIG, i think, it is possible …
    BUT the problem is hardware, how do you place 4 Copler and Wide band Combiner in the BTS.

    4444 It is IMPOSSIBLE because capacity max is 12. You must add a second BTS.

    We are doing BTS mixte:
    1part= 1800
    sector 1800 are ABC
    2part=900
    sector 900 are DEF

    With city talk, we did 4 sectors, and spell it D.

    #39540 Reply
    patrick
    Guest

    yellaiah – 19 Jul 2006
    1.Wht is DIVERSITY PRINCIPLE
    2.wht is the need of Diversity at RECEIVER SECTION.

    1- without detail, diversity improves quality.

    2- Diversity is also important when you increase the capacity of BTS (2 TRX) without loss. (-3db, -6db, …)

    #39541 Reply
    sanjib kumar sutar
    Guest

    In nokia BTS why we r seting the platfrom &what is casceding

    #39542 Reply
    Gouse
    Guest

    Hi friends i have one ? to u

    plz what is the differences b/w GSM and CDMA overall,
    1)how many channels
    2)call processing
    3)capacity
    4)which is good,why?
    5)and everything

    #39543 Reply
    Iftikhar Ahmad
    Guest

    Hi Gouse,
    I am working in a CDMA system. Actually GSM is frequency conscious. When Freq. channels ends up then no more user is accommodated. But in CDMA system Unlimited users can be accomodated. The only limitation is noise on reverse channel.

    1- Channels in GSM depends on the E-1 availbility, but in CDMA on CHM card, u just add a card and increase ur channels.
    2- Call procesing is a long topic.
    3- Capacity of CDMA is more than GSM.
    4- Good, definitely CDMA. With all other adantages of CDMA, faster DATA rates is a very big advantage.

    #39544 Reply
    Gouse
    Guest

    Thank you for your information Iftikhar Ahmad .But i want total details.how much?some quantity.number

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