M00044342
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DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); MODULATION
European Telecommunications Standards Institute
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Availability date: 11/06/2021
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Foreword
1 Scope
1.1 References
1.2 Abbreviations
2 Modulation format for GMSK
2.1 Modulating symbol rate
2.2 Start and stop of the burst
2.3 Differential encoding
2.4 Filtering
2.5 Output phase
2.6 Modulation
3 Modulation format for 8PSK
3.1 Modulating symbol rate
3.2 Symbol mapping
3.3 Start and stop of the burst
3.4 Symbol rotation
3.5 Pulse shaping
3.6 Modulation
Annex A (informative): Change control history
History
This standard specifies, how the modulator receives the bits from the encryption unit, see GSM 05.01 [1], and produces an RF signal. The filtering of the Radio Frequency (RF) signal necessary to obtain the spectral purity is not defined, neither are the tolerances associated with the theoretical filter requirements specified. These are contained in GSM 05.05 [4].
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | SMG 2 |