RECOMMENDATION ITU-R SM.328-10 - SPECTRA AND BANDWIDTH OF EMISSIONS
1 Definitions
    1.1 Baseband
    1.2 Baseband bandwidth
    1.3 Necessary bandwidth
    1.4 Bandwidth expansion ratio
    1.5 Out-of-band spectrum (of an emission)
    1.6 Out-of-band emission
    1.7 Spurious emission
    1.8 Unwanted emissions
    1.9 Emission terminology
    1.10 Permissible out-of-band spectrum (of an emission)
    1.11 Out-of-band power (of an emission)
    1.12 Permissible out-of-band power
    1.13 Occupied bandwidth
    1.14 x dB bandwidth
    1.15 Assigned frequency band
    1.16 Assigned frequency
    1.17 Characteristic frequency
    1.18 Reference frequency
    1.19 Frequency tolerance
    1.20 Build-up time of a telegraph signal
    1.21 Relative build-up time of a telegraph signal
    1.22 Modulation rate
2 Emission of a transmitter, optimum from the standpoint of spectrum efficiency
3 Limits for out-of-band emissions
4 Calculation of emitted spectra
    4.1 Approximation of out-of-band spectra envelopes for analytical calculations
5 Reduction of interference due to unwanted emissions at transmitters
ANNEX 1 - Considerations for emissions designated Type A
1 Classes of emission A1A and A1B with fluctuations
    1.1 Necessary bandwidth
    1.2 Shape of the spectrum envelope
    1.3 Occupied bandwidth
    1.4 Out-of-band spectrum
    1.5 Build-up time of the signal
    1.6 Adjacent-channel interference
2 Classes of emission A1A and A1B without fluctuations
3 Shaping of the telegraph signal by means of filters
4 Classes of emission A2A and A2B
    4.1 Necessary bandwidth
    4.2 Out-of-band spectrum
5 Amplitude-modulated radiotelephone emission, excluding emissions for sound broadcasting
    5.1 Type of modulation signal and adjustment of the input signal level
    5.2 Extract from ITU-T Recommendation G.227
    5.3 Class of emission A3E double-sideband telephony
    5.4 Single-sideband, classes of emission R3E, H3E and J3E (reduced, full or suppressed carrier) and independent-sideband clas
6 Amplitude-modulated emissions for sound broadcasting
    6.1 Type of modulation signal and adjustment of the input signal level, class of emission A3EGN, sound broadcasting
    6.2 Noise signal for modulating the signal generators (extract from Recommendation ITU-R BS.559, § 1.3)
    6.3 Class of emission A3E, double-sideband sound broadcasting
ANNEX 2 - Considerations for emissions designated Types B and R
1 Shape of the spectrum envelope for class B8E and class R7J emissions modulated with white noise
    1.1 The tests described in item 1 of Table 3
    1.2 The tests described in item 2 of Table 3
    1.3 The tests described in item 3 of Table 3
ANNEX 3 - Considerations for emissions designated Type F
1 Class of emission F1B
    1.1 Necessary bandwidth
    1.2 Shape of the spectrum envelope
    1.3 Out-of-band power and occupied bandwidth
    1.4 Shaping of the telegraph signal by means of filters
    1.5 Adjacent-channel interference
    1.6 Build-up time of the signal
    1.7 Bandwidth occupied, for unshaped signals
    1.8 Out-of-band spectrum
2 Frequency-modulated emissions for sound broadcasting and radiocommunications
    2.1 Class of emission F3E, monophonic sound broadcasting
    2.2 Classes of emission F8E and F9E, stereophonic sound broadcasting
    2.3 Class of emission F3E, narrow-band radiocommunications
3 Frequency-modulated multi-channel emissions employing frequency division multiplex (FDM)
    3.1 Necessary bandwidth
    3.2 Shape of the spectrum envelope
    3.3 Out-of-band power
ANNEX 4 - Considerations for emissions designated Type G
1 Class of emission G1B (single channel phase modulation telegraphy)
    1.1 Necessary bandwidth
    1.2 Out-of-band spectrum
ANNEX 5 - Considerations for emissions designated Type J
1 Single-sideband and independent-sideband amplitude-modulated emissions for telephony and multi-channel voice-frequency tele
    1.1 Introduction
    1.2 Shape of the spectrum envelope for class J3E and class J7B emissions modulated with white noise
2 Class of emission J3E, single-sideband sound broadcasting
ANNEX 6 - Digital phase modulation
1 Binary phase shift keying (BPSK) and quartenary phase shift keying (QPSK)
    1.1 Description of the scheme
    1.2 Power spectra
    1.3 Influence of the pulse shaping function
    1.4 Practical implementation
2 Continuous phase modulation (CPM)
    2.1 System description
    2.2 Spectrum
    2.3 Occupied bandwidth
3 Gaussian minimum shift keying (GMSK)
    3.1 Basic formulae
    3.2 Properties and characteristics
    3.3 Practical considerations
þÿ
    4.1 M-ary QAM modulation
    þÿ
5 Orthogonal frequency division multiplexing (OFDM)
    5.1 The basic idea
    5.2 OFDM modulation scheme
    5.3 An OFDM system
    5.4 Useful data carriers
    5.5 Spectrum characteristics
    5.6 Influence of non-linearities
6 Spread spectrum
ANNEX 7 - Reduction of interference due to unwanted emissions at transmitters
1 Transmitter architecture
2 Filtering
3 Modulation techniques
4 Linearization
    4.1 Predistortion
    4.2 Feedforward
    4.3 Feedback
    4.4 Modulation feedback
    4.5 The Polar Loop technique
    4.6 The Cartesian Loop technique
    4.7 Summary