A large company consists of 10,000 employees, and an infrastructure needs to be created to broadcast messages to all the employees. If an AMPS system is to be used for such a broadcast, what may be the possible alternate scheme if
(a) All employees are located in the same city?
(b) Fifty percent of employees are in one location, while the remaining 50%
are in another place?
(c) Twenty-five percent of employees are located in four different locations?
(d) People are spread all over the world?
Assuming that by infrastructure, we mean that these employees.s primary
objective is to communicate with each other.
(a) AMPS is capable of handling up to 100000 users per city so no special
scheme is required, only one HLR needed.
(b) If the two locations are adjacent then, we can have separate HLRs serving
each region, with each HLR serving as the other VLR.
(c) If the locations are adjacent then, we can have 4 HLRs serving each region,
with each HLR serving as the other VLR.
(d) In this case, it is extremely hard and expensive, as it would require a large
number of BS to cover the whole earth and a large number of HLRs and VLRs.
It is also possible that on some places on earth there would be no coverage.
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