RECOMMENDATION ITU-R F.1101 - Characteristics of digital fixed wireless systems below about 17 GHz
ANNEX 1 - Factors to be considered in the design of digital systems operating below 17 GHz
1 Categorization of digital fixed wireless systems
2 Predominant propagation factor
3 Modulation and coding techniques
    3.1 Comparison of some methods of modulation
    3.2 Modulation methods
    3.3 Data coding and error correction
        3.3.1 Forward error correction
        3.3.2 Coded modulation
4 Radio spectrum utilization efficiency
5 Technical basis of co-channel and alternated arrangements for digital fixed wireless systems
    5.1 Parameters affecting co-channel and alternated radio-frequency arrangement
    5.2 Shaping filter requirements
6 Technical bases of performance and availability objectives for digital fixed wireless systems employing multi-sta...
    6.1 Factors affecting error performance
    6.2 Susceptibility to multipath fading
        6.2.1 System signature
        6.2.2 Normalized signature
    6.3 Countermeasures to multipath fading
        6.3.1 Equalizers
        6.3.2 Multi-carrier transmission
    6.4 Susceptibility to interference and noise
    6.5 Countermeasures to interference
        6.5.1 Automatic transmit power control (ATPC)
        6.5.2 Cross-polar interference cancellers (XPICs)
    6.6 Repeater spacing
APPENDIX 1 TO ANNEX 1 - Comparison of some methods of modulation
APPENDIX 2 TO ANNEX 1 - Coded modulation techniques
1 Block coded modulation
2 Trellis coded modulation
3 Multi-level coded modulation
4 Partial response with soft decoder