Handover performance optimization method and device in static simulation platform
A technology of switching performance and static simulation, applied in electrical components, wireless communication, etc., can solve the problems of long time for detection and adjustment and optimization, and achieve the effect of shortening time and improving optimization efficiency.
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Embodiment 1
[0049] Embodiment 1: Switching band optimization;
[0050] Such as Figure 2A As shown, as the UE moves, the UE reports the A3 event, and the UE continues to move out of the serving cell boundary. At this time, due to the addition of TimeToTrigger and HOD, the network side has not had time to switch the UE to the target cell, causing the user to drop the call. Therefore, the boundary of the serving cell and the transmission power of the serving cell should consider the delay in the UE handover process.
[0051] Such as Figure 2B As shown, the switching band optimization process is as follows:
[0052] Step 1: Determine the initial handover zone Area0 of the serving cell according to the principle of "the signal quality difference between the serving cell and the neighboring cell by ΔdB (such as ±3dB)" configured in the background, that is, the initial handover zone Area0 is the difference between the serving cell and the neighboring cell The area where the difference in signal qual...
Embodiment 2
[0056] Embodiment 2: Statistics of handover success rate in static simulation;
[0057] In the first embodiment, no matter how the UE moves, the increment ΔDis takes into account the longest distance the UE may move. If the signal quality of the serving cell can meet the longest distance, then the UE can not be dropped in other situations; In the process of preparing for handover after a measurement event (such as A3 event), the maximum distance that the UE may move is ΔD HOD , The UE moving direction is uncertain, but the moving range is the point where the measurement event (such as A3 event) is reported as the center and ΔD HOD It is a circular area with a radius, and those that meet certain signal quality requirements (such as RSRQ or RSRP) may be used as the target switching area.
[0058] Calculate the number of grids in the optional switching area, and respectively determine whether the signal quality of the optional grids (such as RSRQ or RSRP) is greater than the demodula...
Embodiment 3
[0064] Embodiment 3: Optimize the transmission power;
[0065] In the first embodiment, the signal power increment Δsignal value calculated according to the switching band increment distance Δdis value and the path loss formula is fed back to the power planning module, and the power planning module is notified to adjust the transmission power, and then adjust the signal coverage. Can improve the handover success rate index. Such as Figure 2B As shown, the details are as follows:
[0066] Step 1-Step 2: Same as Step 1-Step 2, to Step 8 in the first embodiment;
[0067] Step 8: The Δsignal value is fed back to the power planning module, and the power planning module increases the downlink signal transmission power of the serving cell by a value that is equal to the Δsignal value.
[0068] See image 3 An embodiment of the present invention provides a handover performance optimization device in a static simulation platform, the device includes:
[0069] The handover band increment deter...
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