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H

Half power beamwidth

Angle between the half-power (-3 dB) points of the main lobe, when referenced to the peak effective radiated power of the main lobe.


Hamming distance

Number of code symbols in which two code words of the same length differ if corresponding places in the words are compared


Handover

The process of transferring the ongoing connection of a mobile device from one base station to another when the mobile user moves from one cell or area of coverage to another cell in order to ensure a stable connection, change from on access point to another while maintaining an active connection


Height profile

Refers to the three-dimensionall characteristics of the landscape


Hexagon model

Model for the planning of cellular networks calculating the best server areas under ideal conditions, i.e. infinite plane, same antenna, height, power, and distance of base stations



High frequency

High frequency HF is the ITU designation for the range of radio frequency electromagnetic waves, radio waves, between 3 and 30 megahertz MHz.


High Speed Circuit Switched Devices

Circuit-switched wireless data transmission for mobile users that with data rates faster than the ones of GSM


HLR

Database were all user data is stored, handled by the operator


Home Network

Type of computer network that connects multiple devices to each other


Horizontal integration

One owner produces different (conquering) items



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