Research Article

A Novel Cooperative Cache Policy for Wireless Networks

Algorithm 1

The content popularity prediction based on the LSTM.
Input: The content library and number of the training time slots .
Initialise the predicted content popularity .
1 Forc =1,…, F, do
2    Obtain
3    Foru =1, T, do
4     Input
5     Obtain
6     Loss value =
7     Backpropagates
8    Adjust the weights of all of the neural layers
9    Obtain the trained LSTM neural network
End for
10   Input{,,} into the trained LSTM neural network
11   Obtain
12  End for
13 =