A load adjustment method, device and system between carriers
A load adjustment, inter-carrier technology, applied in the field of load adjustment between carriers, can solve the problems of user dropped calls, user experience impact, handover failure, etc., to reduce the number of handovers and improve the effect of network load imbalance
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no. 2 example
[0041] The second embodiment specifically includes:
[0042] The load adjustment period between CA download waves is 10s, and the load adjustment trigger threshold is 60%; the wireless load balancing (RLB) period is 20s, and the load balancing trigger threshold is 70%; the inter-carrier difference threshold is 20%; the anti-ping-pong threshold is 60% %; The bandwidths of the three component carriers Cell1, Cell2, and Cell3 are all 20M. Assume that the spectral efficiency of the cell does not change.
[0043] Step 201: When the measurement time window arrives (10s), the base station counts that the PRB usage rate of Cell1 is 65%, the PRB usage rate of Cell2 is 40%, and the PRB usage rate of Cell3 is 45%. Since the PRB usage rate of Cell1 exceeds the load adjustment trigger threshold and has not reached the radio load balancing (RLB) execution period, it is determined that Cell1 is the source carrier, and the load adjustment function needs to be triggered;
[0044] Step 202: T...
no. 3 example
[0052] The third embodiment specifically includes:
[0053] The load adjustment period between CA download waves is 10s, and the load adjustment trigger threshold is 60%; the wireless load balancing (RLB) period is 20s, and the load balancing trigger threshold is 70%; the inter-carrier difference threshold is 20%; the anti-ping-pong threshold is 60% %; The bandwidths of the three component carriers Cell1, Cell2, and Cell3 are all 20M. It is assumed that the spectral efficiency of each cell is the same and does not change.
[0054] Step 301: When the measurement time window arrives (10s), the base station counts that the PRB usage rate of Cell1 is 65%, the PRB usage rate of Cell2 is 40%, and the PRB usage rate of Cell3 is 45%. Since the PRB usage rate of Cell1 exceeds the load adjustment trigger and the execution cycle of the radio load balancing (RLB) has not yet arrived, Cell1 triggers the load adjustment function;
[0055] Step 302: The number of remaining PRB resources of...
no. 4 example specific
[0065] The fourth embodiment specifically includes:
[0066] Assume that the load adjustment period between CA download waves is 10s, and the load adjustment trigger threshold is 60%; the wireless load balancing (RLB) period is 20s, and the load balance trigger threshold is 70%; the load difference threshold between carriers is 20%; the anti-ping-pong threshold is 60%; the bandwidths of the three component carriers Cell1, Cell2, and Cell3 are all 20M. It is assumed that the spectral efficiency of each cell is the same and does not change.
[0067] Step 401: When the measurement time window arrives (10s), the base station counts that the PRB usage rate of Cell1 is 65%, the PRB usage rate of Cell2 is 40%, and the PRB usage rate of Cell3 is 45%. Since the PRB usage rate of Cell1 exceeds the load adjustment trigger and the execution cycle of the radio load balancing (RLB) has not yet arrived, Cell1 triggers the load adjustment function;
[0068] Step 402: The number of remaining...
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