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# calculate cell radius

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• #58915 Reply telecom rf
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Dear Team,

I am not clear abut cell radius. how to calculate.and what are the important parameters are required to calculate it.

#58916 Reply Pix
Guest

Telecom RF,

Radius can be calculated based on propagation formula and link budget.
The inputs for a standard propagation formula are :
– height of BTS
– frequency band
– height of MS
– environment absorption

The link budget lets you find the Maximum Allowed Path Loss.

The propagation formula have to be reversed, so the ouput is the max distance BTS-MS, which would be your cell radius.

#58917 Reply yasmeen
Guest

please i need the way to calculate cell radius

#58918 Reply JWoods
Guest

cell radius calculation
The first step: calculate the area of the entire cluster (S_cluster).
The second step: the area of a cell (S_cell) = S_cluster /7
Finally , S_cell = (3 * square(R) * squareroot(3))/2. Solve this equation to get R.

#58919 Reply mac
Guest

what is the relation between the cell radius and the number of users in cellular mobile communication?

#58920 Reply Lemaure
Guest

given the average traffic per user you can deduce the traffic of a region area having the total number of users.
knowing the capacity (traffic) that can be supported by a site you can compute the number of site needed. you will also need to have the area of the region to compute the area covered by a site. once you have this input you can deduce the radius with the formula
S_cell = (3 * square(R) * squareroot(3))/2
this way of computing the cell radius is theorical.
the typical method is what has been explained by pix below remembering that the
Maximum Allowed Path Loss=min(PathLoss DL, PathLoss UL) to avoid unbalanced link budget

#58921 Reply Shein Lyhan Pyae
Guest

Checking cell Radius

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