
82 ◾ Mobile Evolution: Insights on Connectivity and Service
nomadic users is vital in the rendering of high information transfer rates. Relay entities are a step
in this direction by reducing the separation between the network and the mobile device. e base
station serving one or more relay entities is referred to as a donor cell.
e donor cell, in addition to serving relay entities, may also serve mobile devices in the
conventional manner. Relay entities may simply be a signal amplication intermediary, which
forwards analog signals to a targeted radio coverage area. Such intermediaries may perform this
amplied forwarding either passively ( ...