Fig.1

Link isolation angle α"

Fig.2

Interference between NGSO constellation and GSO satellite in the downlink scenario"

Fig.3

Interference between NGSO constellation and GSO satellite in the uplink scenario"

Table 1

Orbit, beam and air interface parameters of GSO systems for uplink and downlink"

Table 2

Beam and air interface parameters of NGSO systems for uplink and downlink"

Fig.4

Service requirements Tk and the link loss lk value of each beam of the GSO satellite"

Fig.5

Power density pk/wk of each beam of the GSO satellite by different allocation strategies"

Table 3

Objective function values calculated by different allocation strategies of the GSO downlink beam"

Fig.6

Link loss ${{l}_{i, \ell }} $ and the power density ${{p}_{i, \ell }}/{{w}_{i, \ell }} $ obtained by different allocation strategies for each beam of the NGSO satellite"

Table 4

Objective function values obtained by three alocation strategies of the NGSO downlink beam"

Fig.7

Distribution scenario of earth stations in uplink GSO system"

Fig.8

Power density pk/wk of each beam of the GSO system earth station transmitter by different allocation strategies"

Fig.9

Maximum value of the minimum channel capacity of each beam of the GSO earth station by different allocation strategies"

Fig.10

Percentage curves of downlink I/N time cumulation between NGSO constellation and GSO system"

Fig.11

Percentage curves of uplink I/N time cumulation between NGSO constellation and GSO system"

Table 5

Comparison results of the I/N exceeding the limit of -12.2 dB"

Fig.12

Comparison and analysis curves of the influence of different methods on interference assessment"