ANNEX 1
General principles and methods related to spectrum sharing
1 Dimensions of allocation sharing
2 Sharing methods
2.1 Frequency separation
2.1.1 Channelling
plans
2.1.2 Band
segmentation (see Note 1)
2.1.3 Frequency
agile systems
2.1.4 Dynamic
sharing
2.1.5 FDMA
2.1.6 Control of
emission spectrum characteristics
2.1.7 Dynamic
variable partitioning
2.1.8 Frequency
tolerance limitation
2.1.9 DAMA
2.1.10 Frequency
diversity
2.2 Spatial separation
2.2.1 Geographical
shared allocations
2.2.2 Site
separation
2.2.3 Antenna
system characteristics
2.2.4 SDMA
2.2.5 Physical
barriers and site shielding
2.3 Time separation
2.3.1 Duty cycle
control
2.3.2 Dynamic
real-time frequency assignment
2.3.3 TDMA
2.4 Signal separation
2.4.1 Signal
coding and processing
2.4.2 FEC
2.4.3 Interference
rejection
2.4.4 CDMA
2.4.5 Spread
spectrum
2.4.6 Interference
power/bandwidth adjustments
2.4.7 Modulation
complexity
2.4.8 Coded
modulation
2.4.9 Adaptive
signal processing
2.4.10 Antenna
polarization
2.4.11 Software
(defined) radio