Radio resource control (RRC) connection reconstruction method, terminal equipment and network equipment
A technology for radio resource control and terminal equipment, applied in the field of communication, can solve problems such as affecting the efficiency of RRC connection re-establishment
Active Publication Date: 2021-03-30
VIVO MOBILE COMM CO LTD
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Problems solved by technology
However, when performing RRC connection reestablishment according to the cell selection criterion (i.e. S criterion), since the S criterion does not consider the busyness of the channel, the UE may still select the cell X or the cell X that has previously determined that continuous LBT failure occurs An RRC connection re-establishment is attempted on the same-frequency cell, and since the channel on the same-frequency cell of cell X and cell X is already busy, the UE may continue to determine that continuous LBT failures occur, resulting in RRC connection re-establishment failure, thereby affecting the RRC connection Efficiency of reconstruction
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0033] The technical scheme of the present invention can be applied to various communication systems, such as: Global System of Mobile Communication (GlobalSystem of Mobile communication, GSM), Code Division Multiple Access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA), General Packet Radio Service (GPRS), Long Term Evolution (LTE) / Long Term Evolution Advanced (LTE-A)...
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The invention discloses a radio resource control (RRC) connection reconstruction method, terminal equipment and network equipment, and the method comprises the steps: determining an alternative cell under the condition that the terminal equipment generates a continuous listening-before-talk (LBT) failure in a serving cell, and triggers a radio link failure (RLF), wherein the alternative cell is different from at least one of the first cell and a second cell on a failure frequency point, the first cell is a cell on a frequency point of which at least one of a channel occupation CO value and a received signal strength indication RSSI value is higher than a threshold value, and the failure frequency point is a frequency point where the service cell is located; selecting a reconstruction cellaccording to the alternative cell; and performing RRC connection reconstruction on the reconstruction cell. According to the embodiments of the present invention, the probability of selecting a reconstruction cell on a frequency point with a high channel busy degree to perform RRC connection reconstruction or selecting a reconstruction cell on a frequency point with a high channel busy degree to perform RRC connection reconstruction can be avoided, thereby improving the efficiency of RRC connection reconstruction, and efficiently completing radio link failure recovery.
Description
technical field [0001] The present invention relates to the communication field, in particular to a radio resource control RRC connection reestablishment method, terminal equipment and network equipment. Background technique [0002] At present, in the fifth generation mobile communication system (5th Generation Mobile Networks, 5G), if an unlicensed frequency band is to be used for data transmission and reception, the sending end of the signal needs to meet the usage rules of the unlicensed frequency band. For an unlicensed frequency band, before sending a signal, the sender needs to monitor whether the frequency band is occupied (or idle). If the frequency band is not occupied (or idle), the sender can send the signal; and if the frequency band is occupied , the sending end cannot send the signal, that is, the Listen-Before-Talk (LBT) fails. [0003] Specifically, according to the usage rules of the unlicensed frequency band, the terminal equipment (User Equipment, UE) as...
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IPC IPC(8): H04W76/19
CPCH04W76/19
Inventor鲍炜吴昱民
OwnerVIVO MOBILE COMM CO LTD