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NOKIA BTS THEORY

Viewing 15 posts - 16 through 30 (of 74 total)
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  • #43643 Reply
    rashmi ranjan padhi
    Guest

    What do you mean by FDMA? Explain in details.

    #43644 Reply
    Tripuresh
    Guest

    HI ALL,

    I’m new in the forum.
    Q.57 Ans:you need a cable with RJ45 and D-type 9-pin Female connector.As well as Nokia Hopper Manager login software to log in into FIU19E.

    #43645 Reply
    Tripuresh
    Guest

    we use TNC connector in FIFA card.

    #43646 Reply
    Tripuresh
    Guest

    Hi Rashmi,
    FDMA stands for frequency division multiple access.Earliear it was used dedicatedly but it is used with TDMA as well.FDMA is a technique by which we can divide full bandwidth into several channels allote channels to the end users.

    #43647 Reply
    Tripureshes
    Guest

    Dear all we can use 7 gc in place of 15 gc but you should have that range of frequency.But it is not best use of our resourc

    #43648 Reply
    Innova
    Guest

    FDMA involves separating users by frequencies—each user gets his own frequency
    set: one frequency for the uplink, and a corresponding frequency for the downlink.
    TDMA together with FDMA, used by GSM, involves separating users by time slots, as well as frequencies. Each
    user gets assigned a frequency and then a time slot when they are allowed to transmit.
    GSM places eight time alots on each 200-kHz frequency channel of GSM.

    #43649 Reply
    Tripuresh
    Guest

    Can anyone tell what post in BOIA is used for 13 MHz clock setting.

    #43650 Reply
    anish kp
    Guest

    i want to know about nokia bts

    #43651 Reply
    @Jakz
    Guest

    Mr.Pankaj and Mr.Vikram,Plz brush up your basic fundamentals,then try posting relevant topics in this forum….

    #43652 Reply
    Babar
    Guest

    I have differnt question related to BTS and BSC , so please tell me solution of all those questions which is mentioned below
    Q.1. What do you mean by FDMA? Explain in details.
    Q.2. What are active & passive elements in BTS?
    Q.3. Name the equipments required for 2+2+2.
    Q.4. What is the function of BB2F card?
    Q.5. What is the function of BOI card?
    Q.6. Which modulation we use in case of GPRS?
    Q.7. Which slot is reserved for GPRS?
    Q.8. What is the height of BTS?
    Q.9. What is the height of ESMA card?
    Q.10. How many maximum slots we can use in ESMA card?
    Q.11. We use PSWA card in which case?
    Q.12. We use PSWB card in which case?
    Q.13. How many types of Transmission cards are in Ultra BTS?
    Q.14. How many types of Transmission cards are in Flexi BTS?
    Q.15. What will happen if we change the polarity of microwave antenna?
    Q.16. What is the full form of ARFCN?
    Q.17. What is the function of TRAU?
    Q.18. Explain the structure of entire GSM.
    Q.19. Explain the configuration of 4+4+4.
    Q.20. Which type of connector we use in FIFA card?
    Q.21. Which type of connector we use at the end of GSM antenna/
    Q.22. What are the different types of GSM antenna?
    Q.23. What do you mean by Splitter?
    Q.24. Convert the 16 W power into dBm.
    Q.25. Explain the different steps of Commissioning.
    Q.26. What do you mean by protection loop?
    Q.27. What is the correct way of weather proofing?
    Q.28. Can we use 7GC instead of 15GC?
    Q.29. What is the function of Duplexer?
    Q.30. What are the different elements of MSC?
    Q.31. Write the total description of Ultra Commissioning.
    q.32 What is the state if the RED LED is glowing on DVxx card?
    Q.33 What is the state if the YELLOW LED is glowing on DVxx card?
    Q.34 What is the state if the GREEN LED is glowing on DVxx card?
    Q.35 Which frequency band DVDC is used ?
    Q.36 Which frequency band DVGA is used?
    Q.37 What is the function of Bias Tee (BPxx)?
    Q.38 Which power supply card required for Ultra BTS for AC 230 V input?
    Q.39 Which power supply card required for Ultra BTS for DC -48V input?
    Q.40 Which power supply card required for Ultra BTS for DC 24V input?
    Q.41 What is the state if the GREEN LED is glowing on PWSx card?
    Q.42 What is the state if the RED LED is glowing on PWSx card ?
    Q.43 What is the state if the YELLOW LED is glowing on PWSx card ?
    Q.44 How many maximum PWSA cards can be inserted in a Ultra BTS cabinet ?
    Q.45 How many maximum PWSB cards can be inserted in a Ultra BTS cabinet ?
    Q.46 How many maximum PWSC cards can be inserted in a Ultra BTS cabinet ?
    Q.47 What is the output power rating of one PWSA card ?
    Q.48 What is the output power rating of one PWSB card ?
    Q.49 What is the output power rating of one PWSC card ?
    Q.50 What is the function of Receiver Multicoupler (M2xA or M6xA) ?
    Q.51 How many TRX’s are supported by one Receiver Multicoupler-M2xA ?
    Q.52 How many TRX’s are supported by one Receiver Multicoupler-M6xA
    Q.53 What is the function of Remote Tune Combiner (RTxx) unit ?

    Q.54 The FIU19(E) units main LED is red. What is the meaning?
    Q.55 A FIU19(E) units Flexbus LED is flashing ?
    Q.56 What is the meaning?
    One FIU19(E) Flexbus LED is steadily on What is the meaning?
    Q.57 How can a Laptop PC be locally connected to a FIU19E?

    Q.58 What is the maximum capacity of a FlexiHopper radio link operated by a FIU19(E), that is equipped with two 4x2M plug-in units?
    Q.59 Which of the listed combination of indoor units support FlexiHopper and MetroHopper?
    Q.60 Which of the listed is NOT a FlexiHopper frequency band?
    Q.61 Which of the listed is NOT a FlexiHopper feature?
    Q.62 Which of the following protection methods is NOT supported by FlexiHoppers with FIU19(E)?
    Q.63 How many un-protected FlexiHopper links can be operated with one FIU19(E) with Flexbus plug-in unit?

    #43653 Reply
    karana
    Guest

    question no:-1 how many types of bts are there
    question no:-02 why do we use micro mink link for bts site

    #43654 Reply
    Shaun
    Guest

    Hi All

    I am am having problems connecting Nokia BTS to Racal Test System. Anyone able to assist sorting out sequence files?

    #43655 Reply
    sunil pratap singh
    Guest

    hi
    i wil be very highly obized if someone will solve my quarries.

    1:i want to know about all cards of ultra bts n nokia flexi edge bts.

    2:seqence of signal transmission from a user, through flexi edge
    bts cards to another user

    thanks

    #43656 Reply
    shyam
    Guest

    Hi this is shyam
    I want to know about BSC AND MSC

    #43657 Reply
    Rahul
    Guest

    pls tell me the how many types of bts

Viewing 15 posts - 16 through 30 (of 74 total)
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