Gigaset N870 IP Pro Site Planning And Measurement Manual page 56

Glossary
Frame
For radio transmission, DECT uses a time multiplex procedure with a frame structure for sep-
arating the uplink and downlink for each radio channel (
ms long and is subdivided into 24 time slots (slot 0 – 23). The first 12 time slots are for the
downlink and the second 12 time slots for the uplink. For one connection, the base station
and handset each occupy one
Frame quality
The radio quality in the DECT network is measured at defined time intervals. The frame
quality indicates the percentage rate of the packages received without errors in a measure-
ment interval.
Frequency
The frequency range 1880 –1900 MHz is assigned exclusively for DECT in Europe. This frequency
band is divided into ten carrier frequencies (channels) with a channel interval of 1728 kHz,
where 0 represents the highest frequency and 9 the lowest.
Handover
Possibility for a subscriber with a DECT handset to change from one cell to another during
a call or a data connection without interrupting this connection.
HD voice
Gigaset technology for extraordinary sound quality in which the sound in calls is transmitted
via the Internet in double
Multi-cell system
DECT wireless network that consists of the cells of several base stations. A DECT multi-cell
system must have a
RFP
Radio Fixed Part
Base stations in a multi-cell DECT network.
RFPI
Radio Fixed Part Identity
ID for a base station in a multi-cell DECT network. It includes the number (RPN) and an ID for
the DECT Manager. A handset uses it to recognise the base stations it is connected to and
the DECT network to which it belongs.
Roaming
Possibility for a subscriber with a DECT handset to accept or make calls in all cells
of a DECT network.
RPN
Radio Fixed Part Number
Number for the base station in a multi-cell DECT network.
RPP
Radio Portable Part
Handset in a multi-cell DECT network.
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£
Slot pair.
£
Bandwidth (8 KHz).
£
DECT Manager as the central station.
£
Frequency). This time frame is ten