1. CHANNEL ASSIGNMENT IN MOBILE NETWORKS USING NEURAL NETWORKS
Telmo Rui Fernandes
Problem
Cellular Network (21 cells)
Interference Matrix (5 cells) and Channel Demand Matrix
Hopfield Neural Net
Intra-cell Interferente
3 channels to cell 4
Input i
Decay Term
Transfer Function
Weights
Output x
Possible Result (matrix V)
Self-Organising Neural Network
Channels
x11
xcel,ch
xcel,3
Cost Vector
(defines neighbourhood)
cv1
cv2
cv3
Permutation Matrix i1 i2
icel
cvch-1
cvch
Cells
Penalty Tensor for Matrix C
Weight Adaptation Rule