Wireless Solution T-1 Manuel d'utilisateur télécharger pdf (Page 20)

The Skyscraper Challenges - Quality

Interference & Isolation

• User sees si

nals from man

base stations

– Interference

• Metallic coated windows attenuates the signal

• The result is

–

Degraded / no service

–

Degraded

service

–Dropped calls

• The solution is to have a dominant signal

Dedicated capacity

B ildi d i d k

Outdoor traffic congestions must not

affect the indoor users

•

ildi

ng not a resource

n on out

oor networ

• Not impacted outdoor traffic congestion

• Requires a BTS as RF source

Elevator Full Covera

•Steel enclosure of the elevator stops the mobile coverage

•Difficult with traditional systems

•300m+ elevators

In high rise buildings, interference from

distant basestations is a problem

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Wireless Solution T-1 Manuel d'utilisateur Page 20