Research Article
User Association and Small-Cell Base Station On/Off Strategies for Energy Efficiency of Ultradense Networks
Algorithm 4
SBSs on/off strategy algorithm.
| (1) | Initialization: | | (2) | All BSs hold “on”, i.e., ; ; | | (3) | Sort ; | | (4) | repeat | | (5) | Turn off FBSs i base on the load of FBSs; | | (6) | Update the EE by the user association algorithm, set , and record the number of FBSs turned off is n; | | (7) | until | | (8) | Calculate the time of each FBS; | | (9) | Sort in declining order; | | (10) | repeat | | (11) | Turn off FBSs m base on ; | | (12) | Update the EE by user association algorithm, set ; | | (13) | until |
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