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ETSI EN 301 021
M00000909
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ETSI EN 301 021 Fixed Radio Systems; Point-to-multipoint equipment; Time Division Multiple Access (TDMA); Point-to-multipoint digital radio systems in frequency bands in the range 3 GHz to 11 GHz
standard by European Telecommunications Standards Institute, 07/01/2003
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The present document covers equipment, which may operate in frequency bands that have paired frequencies, whichcan be used by either equipment employing Frequency Division Duplex (FDD) or Time Division Duplex (TDD)techniques. For use with Time Division Duplex only one frequency of the frequency pair will be used and for thepurpose of the present document the tx/rx separation will be zero. The channel spacing is intended to be the same indownlink and uplink directions.This revision extends the scope to cover systems employing basically TDMA multi-access but which also allows foradditional methods (such as OFDMA) combined with TDMA, to be used to provide another dimension of multipleaccess.