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  1. Thread: Optix RTN980

    by mohamad
    Replies
    1
    Views
    1,614

    Optix RTN980

    Hi,

    Can anybody share with me latest edition of ODU RTN980 product description?

    Thanks,
    Mohamad
  2. Replies
    3
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    4,338

    Re: Huawei RTN950 ODU Hardware Description

    Thanks for your answer.

    36-37 GHz channel arrangement is defined in annex 2 of ITU-R F. 749-2 (ITU recommendation for 38 GHz band).
    Seems that this range is recommended to use in Russia. GR is...
  3. Replies
    3
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    4,338

    Huawei RTN950 ODU Hardware Description

    Hi,

    Can anybody share RTN980 ODU 38 GHz hardware description?
    I need to know if frequency range of 36-37 GHz is implemented in Huawei ODUs or not.

    Regards,
  4. Replies
    5
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    1,825

    Re: Effective Earth Radius Factor

    but I see other values for it in different documents such as minimum value, average value and ...
    Also there are several figures in ITU-R P.453 (Figure 12:16) and a formula for calculating it.
    As...
  5. Replies
    5
    Views
    1,825

    Effective Earth Radius Factor

    Dear Friends,
    Which value of k shall be considered in MW link planning?
    Its variation range is outlined in which document?

    Best regards,
    Mohamad
  6. Replies
    2
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    1,355

    Question refractivity gradiant data files

    Dear Friends,
    There are several figures in ITU-R P.453-10 which depict refractivity gradiant values for the world. These figures are used to calculate k factor.
    It's mentioned in this document that...
  7. Replies
    5
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    2,227

    Re: I._C._S. T.e-l.e_c,o.m v12

    I have installed the sw just waiting for the cure.

    Any news on the m. E. d.
  8. Replies
    2
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    1,761

    Download Re: Optical fiber videos

    Tnx for the share

    Is it possible to share on rapid share nor 4share

    BR
  9. Question Using Reflection Module for Calculating Receiver Antenna Height

    Dear friends,
    I am asked to design a MW link in a flat region with high probability of reflection.
    in the pathloss reflection module, I chosen "Site 2 Antenna Height" as the variable of reflection...
  10. Distance between main and space diversity antennas

    Dear all,
    Is there any formula or any method for calculating the distance between main and space diversity antennas in MW links precisely?
    I calculate it by using this formula: d = 200-300λ.
    Is...
  11. Replies
    0
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    762

    Question Background Colors in Pathloss 4.0

    Dear all,
    How it's possible to define different colors rather than default colors for different heights in network module of Pathloss 4.0? Is it possible to change background colors for different...
  12. Replies
    0
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    672

    Huawei ODU Parameters

    Dear all,
    Can anyone please share documents about Huawei ODUs specification in different frequency bands and modulations?
    It is clear that TX power and RX threshold are important than the others.
    ...
  13. Replies
    1
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    1,016

    Handbook on Digital radio-relay systems

    Dear all friends,
    I need a handbook from ITU resources. The name of this handbood is "Digtal Radio-Relay Systems".
    This handbook can be reached at: Digital Radio-Relay Systems
    I should pay for it...
  14. Replies
    1
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    752

    Frequency Diversity, to be or not to be

    Dear all friends,
    I am looking for a reference book or standard or recommendation that describes about: where we should use frequency diversity in MW links and where not?
    In which frequency band?...
  15. Replies
    3
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    1,231

    Re: G.826 Equipment Data

    Dear byja,
    Where it's possible to edit the radio model and add G.826 required parameters?
    In the radio equipment window, I click on view tab. In this tab, it isn't possible to change anything.
    ...
  16. Replies
    3
    Views
    1,231

    G.826 Equipment Data

    Dear all friends,
    When I choose ITU-T G.826 in worksheet module - operations - reliability methods - calculation method, the correct sign will be deleted and I will face with following error:
    No...
  17. Replies
    1
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    1,122

    Loading a Project in Pathloss4.0

    Dear Friends,
    I can't load a project that is built in other pc in my pathloss.
    My project consist of a network file (gr4) and link files (pl4).
    I am openning the network file in network module:...
  18. Replies
    187
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    94,405

    Poll: Re: AIRCOM Enterprise v7.0 Installation

    Dear Venom,
    OS is Win7 and processor is 32bit.

    Thanks,
  19. Replies
    187
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    94,405

    Poll: Re: AIRCOM Enterprise v7.0 Installation

    dear Venom,
    I was followed the oracle and enterprise installation same as your guide but in the database login menu, when I click on setup tab I am faced with following error: "error trying to start...
  20. Replies
    151
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    43,441

    Re: Aircom v6 Installation (personal experience)

    Dear Venom,
    Can you upload this guide on rapidshare? it's my pleasure that you do it.
    Thanks,
  21. Replies
    151
    Views
    43,441

    Re: Aircom v6 Installation (personal experience)

    Hi Friends,
    When I should apply patch 50?
    when Enterprise installation is finished or while the installing?

    best Regards,
  22. Replies
    7
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    3,552

    Calculating Space Diversity Antenna height

    Dear all friends,
    To calculate space diversity antenna height, ITU-R P.530-12 say: "the clearance of the lower antenna may be chosen to give about 6 dB of diffraction loss during normal refractivity...
  23. A document about reflection and multipath module of Pathloss

    Dear all,
    Has everyone a document, a manual or presentation about reflection and multipath module of Pathloss?
    I need this document to understand how I should use these modules for MW links design...
  24. Replies
    0
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    1,199

    Reflection Module in Pathloss4.0

    Dear all friends,
    I don't know how to use reflection module in MW links design procedure.
    Can everyone help me about this issue?

    After defining reflective plain and modifying terrain roughness...
  25. Replies
    2
    Views
    1,495

    Dear byja, Here attached interference case...

    Dear byja,
    Here attached interference case detail report and worksheet full report of interfered link. As you see in case detail report, there is no threshold degradation more than 1dB but in...
Showing results 1 to 25 of 74
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