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Pri Selection Site or RF planning First point

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Which step to make clear before select any site at any location like equipment type, construction and link balance calculation which describe detail as below.

Select Equipment Type For Site

  • Select equipment for the cell depending on channel requirements
  • Selection of antenna type and accessories.

Locate Equipment On Site For Construction Drawing

  • Plan of the building ( if site located on the building) to be made showing equipment placement, cable runs, battery backup placement and antenna mounting positions.
  • Antenna mounting positions to be shown separately and clearly.
  • Drawings to be checked and signed by the Planner, site acquisition, power planner and project manager.
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Perform Link Balance Calculations

  • Link balance calculation per cell to be done to balance the uplink and the downlink path.
  • Basically link balance calculation is the same as power budget calculation. The only difference is that on a per cell basis the transmit power of the BTS may be increased or decreased depending on the path loss on uplink and downlink.

EMI Studies

  • Study of RF Radiation exposure to ensure that it is within limits and control of hazardous areas.
  • Data sheet to be prepared per cell signed by RF Planner and project manager to be submitted to the appropriate authority.

Radio Frequency Plan/ PN Plan

  • Frequency planning has to be carried out on the planning tool based on required C/I and C/A and interference probabilities.
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System Interference Plots

  • C/I, C/A, Best server plot etc has to be plotted.
  • These plots have to be reviewed with the customer to get the frequency plan passed.

Final Coverage Plot

  • This presentation should be the same as design review presentation.
  • This plot is with exact locations of the site in the network.

Identification of coverage holes

  • Coverage holes can be identified from the plots and subsequent action can be taken (like putting a new site) to solve the problem.
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