Mobile network intelligent roaming selection method
A mobile network, intelligent technology, applied in the field of communication, can solve the problem that SIM does not have a preferred network list, and achieve the effect of improving utilization and improving network service quality.
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Embodiment 1
[0046] Such as figure 1 , a mobile network intelligent roaming selection method, comprising the following steps in sequence:
[0047] Step 1: Clear the PLMN list, scan all surrounding operator networks in the current environment, obtain the signal strength of each operator network, and update the signal strength of each operator network to the PLMN list;
[0048] Signal strength is the criterion for judging the priority of network operators. Generally speaking, the better the network strength, the better the network service quality.
[0049] Step 2: Select the operator network with the best signal strength in the PLMN list to establish a network connection;
[0050] Step 3: Periodically check the network service quality of the operator network in use; in this embodiment, the network service quality includes received signal quality, network delay, and packet loss rate;
[0051] If the following conditions are met, the network service quality of the operator's network is lower...
Embodiment 2
[0060] Such as figure 1 , a mobile network intelligent roaming selection method, comprising the following steps in sequence:
[0061]Step 1: Clear the PLMN list, scan all surrounding operator networks in the current environment, obtain the signal strength of each operator network, and update the signal strength of each operator network to the PLMN list;
[0062] Signal strength is the criterion for judging the priority of network operators. Generally speaking, the better the network strength, the better the network service quality.
[0063] Step 2: Select the operator network with the best signal strength in the PLMN list to establish a network connection;
[0064] Described step 2 is specifically:
[0065] Step 21: Reset the cellular network module;
[0066] Step 22: Select the operator network with the best signal strength in the PLMN list for network registration. If the registration is successful, perform network connection. If the registration is unsuccessful, select o...
Embodiment 3
[0084] Combining Topology Map - figure 2 The present invention is described in more detail:
[0085] 1)Smart Roaming Start - start the smart roaming function for the first time;
[0086] 2) Clear PLMN List——Clear the operator's PLMN list and make the list empty. If the PLMN is queried in the subsequent process, a new list will be created and the PLMN will be added to the list.
[0087] 3) Modem start / Restart——reset the cellular network module;
[0088] 4)Smart Roaming enable——judging whether to enable the smart roaming function, if not enabled, execute according to the normal network processing flow; if enabled the Smart Roaming function, execute the next step;
[0089] 5)Switching flag——judging whether it is currently in the process of operator switching, if it is in the process of switching, try to bind the PLMN of the corresponding operator, see step 6); if it is not in the process of switching, skip to step 7) step execution;
[0090] 6) Select next PLMN and use comma...
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