Research Article
User Association and Small-Cell Base Station On/Off Strategies for Energy Efficiency of Ultradense Networks
Algorithm 3
User association strategy algorithm.
| (1) | Initialization: | | (2) | ; ; | | (3) | for 1 ≤ k ≤ K do | | (4) | if and | | (5) | Associate user k with the MBS; | | (6) | end if | | (7) | end for | | (8) | for 1 ≤ i ≤ M do | | (9) | Generate the candidate list for BS i; | | (10) | for | | (11) | Calculate the degrees of freedom of user k; | | (12) | Find user k which has minimal degrees of freedom, ; | | (13) | Calculate , ; | | (14) | ; | | (15) | Associates user with BS , ; | | (16) | Update ; | | (17) | if | | (18) | User k (1 ≤ k ≤ K) deletes the BS in its list ; | | (19) | end if | | (20) | end for | | (21) | end for | | (22) | until all users associate with BSs. |
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