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Recent content by mani_sohail

  1. M

    RF Planning of CDMA network

    hello, as such there is no RF planning in CDMA2000 or UMTS system. There is a PN or SC planning. As we are using same frequency through out the network so there is no Frequency planning there. However you have to plan or assign PN code according to your Radio Configuration. As far as I know...
  2. M

    Wimax Backhaul PTP Design

    1- The BW required for backhaul b/w two BS is depend on the traffic/data. 2- There is no limitation of maximum distance b/w two BS. for long distance u required VSAT instead of microwave/fiber optics. 3- yes there are few mathmatical calculations. Path loss tool is commonly used for microwave.
  3. M

    What is MIMOA and MIMO B in WiMax

    plz share ur knowledge
  4. M

    What is MIMOA and MIMO B in WiMax

    MIMO A & MIMO B What is MIMOA and MIMO B in WiMax
  5. M

    Request for info about frequencies of wi-fi and wimax.

    WiMax Frequencies are 2.3GHz, 2.5GHz and 3.5GHz
  6. M

    Difference b/w FER & PER?

    wat is d/f b/w Packet Error Rate & Frame Error Rate? and wat is impact of PER & FER on network....plz detail answer required
  7. M

    low/high gain amplifier

    what is low/high gain amplifier and how can we calculate the its gain wan what are the effect of gain on amplifier?
  8. M

    CDMA layer 2 messages

    cdma layer 3 can anyone define what are layer 2 and 3 messages in CDMA ?
  9. M

    Antenna gain and Directivity.

    the directivity of a half dipole antenna is gain of antenna is the ratio of input power to the output power of antenna. while when we are talking about the directionality of antenna it depend upon the radition pattern and bean width of antenna.
  10. M

    penetration power and frequency relation

    relate frequency to penetrating power penetration power increase with the increase in frequency? does penetration power depend on frequency? plz i need a detail answer
  11. M

    micro cell / macro cell

    micro or macro cell? what is micro cell and macro cell in cellular system? how can we sectroized the cell? is it possible to make more than 6 sectors?
  12. M

    Antenna Beam Width Calculation

    How can we calculate the beam width of antenna? what is radiation pattern of antenna and how can we calculate it
  13. M

    How can we calculate the gain of an antenna?

    Antenna Gain How we calculate the gain of antenna? high gain antenna is highy directional antenna? the gain of Yaggi antenna is zero?
  14. M

    Why do we use center frequency?

    Re: Center Frequency actually i am working on cdma project.and i dont know why we use center frequency
  15. M

    Why do we use center frequency?

    why we use center frequency?

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