Gibbs sampling-based ultra-dense heterogeneous network optimal cell range expansion bias adjustment method
A technology of Gibbs sampling and extended biasing, applied in network planning, advanced technology, electrical components, etc., can solve the problem that there is no general method to solve the optimization of rate-related utility functions, limit the coverage of small cells, load balancing between cells, etc. question
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[0031] Such as figure 1 As shown, the Gibbs sampling-based ultra-dense heterogeneous network cell range expansion offset adjustment method of the present invention takes the LTE-A system as an example to provide an embodiment:
[0032] Including the following steps:
[0033] initialization. Assume that there are M macro cells, L small cells and K users in the system. The set of macro cells is denoted as The collection of small cells is denoted as The set of all cells is denoted as where ∪ represents the union of two sets, and the user set is denoted as Only small cells can adjust their range extension bias to optimize network utility, any small cell The set of available range extension biases for is where b min is the minimum bias, b max is the maximum offset, Δ is the offset interval, defined by the operator; the range extension offset of any macro cell m Denote the range extension offset of small cell i as b i , during initialization, the range extension bi...
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