Research Article
Performance Analysis of Directional Ultra-Dense Networks with Dynamic Spectrum Partition Strategy
Algorithm 1
Dynamic subchannel allocation strategy based on directional antenna.
| (1) | Initialize: , . | | (2) | for to do | | (3) | Calculate ; | | (4) | for to do | | (5) | Calculate and then obtain the shaded area coverage ; | | (6) | for to do | | (7) | ifthen | | (8) | ifthen | | (9) | if or then | | (10) | Subchannel is assigned to to ; | | (11) | Mark ; | | (12) | Mark ; | | (13) | break; | | (14) | else ifthen | | (15) | Return to line 5; | | (16) | end if | | (17) | else ifthen | | (18) | Return to line 5; | | (19) | end if | | (20) | else | | (21) | Select an idle subchannel to assign it for ; | | (22) | Mark ; | | (23) | Mark ; | | (24) | end if | | (25) | end for | | (26) | end for | | (27) | end for | | | If used, the tag is invalid. |
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