Cache updating method based on node displacement and LFU record and network
A technology of node displacement and update method, which is applied in the direction of electrical components and transmission systems, and can solve problems such as the reduction of reference value and the influence of the optimality of mobility cache update algorithm
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[0063] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0064] exist figure 2 In the communication scenario shown, at the previous moment, user 1 is close to four surrounding users 2, 3, 4, and 7, and can establish a D2D link to directly share content; Establish D2D links with four users 3, 5, 7, 9 to directly share content. But at this time, there is no social relationship or poor relationship between user 1, user 5, and user 9, and there is no D2D communication link between user 1, user 5, and user 9 to share content. In addition, because user 2 and User 4 is not within the range where User 1 can directly communicate, and the communication link between User 1 and User 2 and User 4 no longer exists. It can be seen fr...
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