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Recent content by alqasim

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    calibrated antenna & cable

    is there any calibration done on the passive elements like antenna & cable ?
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    Antenna with electric tilt feature

    Hi, could you please explain more ? Best regards
  3. A

    What will happen if WiMAX SSTTG and SSRTG are greater than 100us?

    why do you think it will affect the system ?! actually in Wimax d , both of them are exceeding 100us . Best regards
  4. A

    statisitcs calculation

    if i have - on hourly basis - three measurements ( Max - Min - Avg ) , what are the parameters that i can conclude from ? Min Avg Max -65 -52.8 -49 -64 -52.5 -48 -65 -52 -49 -64 -51 -48 -60 -52 -49 -62 -53 -49 -62 -51.5 -48 -62 -51.2 -48 -62 -51.8 -48 -65 -52.8 -48 -66 -52.2 -48 -62 -52.5...
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    LTE vs. Wimax comparison

    for 10 MHz bandwidth: 1024 subcarriers , subcarrier spacing: WiMAX 11 kHz, LTE 15 kHz ... which system is more immune to ISI ? Is there any more info is required ?
  6. A

    Residual response & Spurious responses

    what is the difference between Residual response & Spurious responses ? **broken link removed**
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    Understanding radiation pattern

    it depends on the application , in GSM , the first upper side lobe level should be at least 15 and preferably greater than 18 dB below the peak of beam , i have seen values better than this provided be some vendors .
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    QoS of wimax comparision

    Hi, What is the difference between periodically & regularly in the below description of service class defined in WiMAX standard( 802.16d ) ? Real-Time Polling Service (rtPS) Supports real-time applications generating variable bit rate traffic periodically. Offers periodic opportunities to...
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    cyclic prefix configuration

    Hi, Is it possible to have sector with differant Cyclic prefix within the same area ?
  10. A

    Antenna directivity and gain

    Can anyone brief me the conclusion now ,,, i am lost !
  11. A

    RF planning and antenna pattern

    Hi chuckey yes i agree with you but still it is a valid way to ask :) actually, my point from the question is if i have an RF design for a network with six sectors in the base station , simply , i will choose 60 degree (3db angle) sector antenna but if i have many models of this antenna but...
  12. A

    Wireless link reliability

    Actually my question is : 1) Under which condition this percentage ( the reliability percentage ) is given ? 2) How could i calculate the reliability of the link under different environment ? Best regards
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    Antenna with electric tilt feature

    Does this feature depends on changing the phase of the transmitted signal ?
  14. A

    RF planning and antenna pattern

    How could the antenna pattern affect the RF planning / designing criteria ?
  15. A

    Energy consumption in planning of mobile radio networks

    could you elaborate more about your request ?

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