The analyzed results show the usefulness of the scheme proposed except for some additional overhead of memory consumption.
The total work is 5.5%, so we would expect FastBLAST to be 18-fold faster (not considering the additional overhead of finding clusters, etc).
Also, there is an additional overhead of processing of the one (possible) partial group in any column j only takes O(nq) time.
This will bring the additional overheads of editing to an acceptable level.
The main drawback of employing an SDWN Controller is the additional overhead incurred by control messages.
Unfortunately, in highly dynamic networks, this approach generates an overhead of control packet exchange between the ordinary nodes and the control plane, that leads to additional energy consumptions.
It is worthwhile to note that for to acquire the value of and, a passive eavesdropping approach is followed, so that the overhead of additional control message exchange can be kept at minimum level.
As mentioned earlier, in order to solve the important MAC layer issues like MIMO functionalities information exchange and error free control packets reception, a MAC protocol needs to exchange different extended control packets with cost of additional overhead.
It can also be observed that for M3, in spite of our assumption of no additional overhead during the modification, the performance goes toward bounding because of overhead related to basic CSMA/CA operation and its requirement of control packets transmission in lower transmission rate.
Similarly, when the number of antenna elements increases more control packets exchange is required to associate each of the elements again in cost of additional overhead.
