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ÖNORM EN 301213-5 V 1.1.1:2002-01
Fixed Radio Systems - Point-to-multipoint equipment - Point-to-multipoint digital radio systems in frequency bands in the range 24,25 GHz to 29,5 GHz using different access methods - Part 5: Multi-Carrier Time Division Multiple Access (MC-TDMA) methods
Действует
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Разработчик:
Зарубежные/ON
ICS:
33.060.30 Radio relay and fixed satellite communications systems / Радиорелейные и стационарные спутниковые системы связи
Описание
The present document is to be used in conjunction with EN 301 213-1 [1], describing the basic parameters common to
all access methods.
The present document specifies the minimum requirements for system parameters of Multi-Carrier Time Division
Multiple Access (TDMA) Point-to-Multipoint (P-MP) Radio Systems in the terrestrial fixed services operating in the
band 24,5 GHz to 29,5 GHz (see CEPT/ERC Recommendation T/R 13-02 [3]). Only sections specific to TDMA are
described in respect to the clauses stated in EN 301 213-1 [1].
Multi-Carrier Time Division Multiple Access (MC-TDMA) is an alternative to TDMA, FDMA and CDMA covered in
other parts of the present document. In MC-TDMA Point to Multipoint (P-MP) systems, a central station broadcasts
information to terminal stations in a continuous Time Division Multiplex (TDM) or in a burst TDMA mode. The CRS
and/or TS may transmit one or more sub-carriers at various frequencies, bandwidths, modulation and power levels,
however the normative requirements relating to channel bandwidths and spectrum masks must be met. The Terminal
stations transmit in TDMA mode. The users may have access to the spectrum by sharing it through time multiplexing.
The present document is a new draft which contains:
Introduction of a Multi-Carrier TDMA system, where a single transmitter can transmit more than one
sub-carrier.
Ключевые слова:
Telekommunikation, Fernmeldetechnik, Nachrichtentechnik, Kommunikationstechnologie, Informationsverarbeitung, Funksystem, Mehrpunktverbindung, digital, Zugang, MC-TDMA, TDMA, RLL, FWA, DRRS