METHOD AND SYSTEM FOR LIMITING COLLISIONS IN CELLULAR NETWORKS
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Abstract
A method assigning frequency bands on a cellular network including plural network nodes each configured to activate transmission links between pairs of corresponding network nodes to exchange traffic. The method includes, in response to assessment of a new transmission link to be activated between first and second network nodes: retrieving an indication of coordinates of first and second network nodes within a geographical area; retrieving an indication of resource sharing clusters, of the cellular network, each including a group of transmission links considered to potentially cause transmission collisions; selecting a set of the resource sharing clusters according to a comparison of coordinates of the first network node with coordinates of the network nodes corresponding to the transmission links of the resource sharing clusters; if the selected set of resource sharing clusters is not empty, carrying out operations including: activating a new transmission link by exploiting an assigned frequency band.
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Citations
20 Claims
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1-10. -10. (canceled)
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11. A method for assigning frequency bands on a cellular network deployed in a geographical area, the cellular network including a plurality of network nodes each including at least one antenna having a corresponding radiation pattern and configured to activate transmission links between pairs of corresponding network nodes to exchange traffic, the method comprising, in response to assessment of a new transmission link to be activated between a first network node and a second network node:
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retrieving an indication of coordinates of the first and second network nodes within the geographical area; retrieving an indication of resource sharing clusters of the cellular network, each resource sharing cluster comprising a group of transmission links considered as potentially cause of transmission collisions to each other; selecting a set of the resource sharing clusters according to a comparison of the coordinates of the first network node with the coordinates of the network nodes corresponding to the transmission links of the resource sharing clusters; if the selected set of resource sharing clusters is not empty, carrying out a)-c); a) identifying possible transmission collisions between the new transmission link and the transmission links of the selected set of resource sharing clusters according to a comparison of the coordinates of the network nodes corresponding to the transmission links of the selected set of resource sharing clusters with the radiation pattern of the first network node; b) assigning one of the frequency bands to the new transmission link according to the identification of the possible transmission collisions; c) activating the new transmission link by exploiting the assigned frequency band. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A cellular network deployed in a geographical area, comprising:
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a plurality of network nodes each including at least one antenna having a corresponding radiation pattern and configured to activate transmission links between pairs of corresponding network nodes to exchange traffic; a controller module configured to carry out the following sequence of operations in response to the assessment of a new transmission link to be activated between a first network node and a second network node; retrieving an indication of coordinates of the first and second network nodes within the geographical area; retrieving an indication of resource sharing clusters of the cellular network, each resource sharing cluster comprising a group of transmission links considered as potentially cause of transmission collisions to each other; selecting a set of the resource sharing clusters according to a comparison of the coordinates of the first network node with the coordinates of the network nodes corresponding to the transmission links of the resource sharing clusters; if the selected set of resource sharing clusters is not empty, carrying out a)-c); a) identifying possible transmission collisions between the new transmission link and the transmission links of the selected set of resource sharing clusters according to a comparison of the coordinates of the network nodes corresponding to the transmission links of the selected set of resource sharing clusters with the radiation pattern of the first network node; b) assigning one of the frequency bands to the new transmission link according to the identification of the possible transmission collisions; c) activating the new transmission link by exploiting the assigned frequency band.
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Specification