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Home Location Register (HLR)

Home Location Register is a database that contains data regarding authorized subscribers using a global system for mobile communication core network.

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HSDPA

High speed downlink packet access (HSDPA), also known as 3.5G is an improved third generation telecommunication protocol.

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Half Duplex

Half Duplex (HDX) is a type of communication system. In half duplex, there is a two-way communication between the sender and the receiver.

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Handover

In cellular networks, base stations have a limited reach, to achieve connectivity between mobile devices – which are mostly on the move – handover is necessary.

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Home Public Mobile Network

The Home Public Mobile Network (HPMN) is the network of an operator in which a mobile subscriber has a subscription.

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