Updating method and updating device of sub-band search association table, cell search method and cell search device
A technology of frequency band search and update method, applied in the directions of access restriction, electrical components, wireless communication, etc., can solve the problems of reducing the efficiency of searching for a suitable cell, increasing the delay of cell search, affecting user experience, etc., and optimizing the cell search technology , Improve user experience and meet personalized effects
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no. 1 example
[0032] figure 2 It is a flowchart of a method for updating a sub-frequency band search association table in the first embodiment of the present invention. The method of this embodiment can be executed by an update device for a sub-frequency band search association table, which can be implemented by means of hardware and / or software , generally can be integrated in the mobile terminal. Such as figure 2 As shown, the method of this embodiment specifically includes the following steps:
[0033] 210. Acquire the center frequency point of the cell found by the mobile terminal, the bandwidth of the cell, and the PLMN information of the cell.
[0034] In this embodiment, the mobile terminal acquires the center frequency point of the cell found by the mobile terminal, the bandwidth of the cell, and the PLMN information of the cell.
[0035] Among them, the area covered by the communication base station through electromagnetic waves is the cell. In order to provide mobile communic...
no. 2 example
[0059] Figure 4 It is a flow chart of a cell search method according to the second embodiment of the present invention. This embodiment is implemented based on the method for updating the sub-frequency band search association table provided in the first embodiment. The method of this embodiment can be performed by a cell search device, which can be implemented by hardware and / or software. Generally, Integrated in mobile terminal equipment.
[0060] Correspondingly, the method of this embodiment includes the following operations:
[0061] 410. Determine the sub-frequency band of the cell to be searched according to the sub-frequency band search association table.
[0062] In a preferred implementation of this embodiment, when the mobile terminal has a cell search requirement, the mobile terminal first uses the frequency band information and even the cell parameters of the cell saved during the previous camping to search for the cell. The frequency band search association ta...
no. 3 example
[0069] Figure 5 It is a flow chart of a cell search method according to the third embodiment of the present invention. This embodiment is optimized on the basis of the above-mentioned embodiments. In this embodiment, the operation is preferably optimized according to the sub-frequency band search association table to determine the sub-frequency band of the cell to be searched as: obtaining the PLMN information of the mobile terminal from the non-access stratum ; In the sub-frequency band search association table, acquire the sub-frequency band of the cell corresponding to the PLMN information as the sub-frequency band of the cell to be searched.
[0070] Correspondingly, the method of this embodiment includes the following operations:
[0071] 510. Acquire the PLMN information of the mobile terminal from the non-access stratum.
[0072] In this embodiment, the mobile terminal obtains the PLMN information of the mobile terminal from the non-access stratum.
[0073] Wherein,...
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