User terminal, communication control method and chipset
摘要
說(shuō)明書(shū)
When determining that the W-RLF has occurred, the AP 300 transmits, to the eNB 200, the W-RLF report by using a direct communication pathway, for example. Similarly to the above-described UE 100, the AP 300 is capable of determining that the W-RLF has occurred. The W-RLF report may include information of at least any one of: a reason by which the W-RLF is determined to occur; and the most recent measurement result regarding the WLAN communication measured by the AP 300 (for example, a result of carrier sense, a received strength of a reference signal from the UE 100, etc.).
The eNB 200 that has received the W-RLF report may transmit, to the AP 300, the WLAN Release Request or the WLAN Modification Request, as a response to the W-RLF report. Further, the eNB 200 that has received the W-RLF report may transmit, to the AP 300, a response to the W-RLF report including a transmission request of downlink data that is not transmitted to the UE 100.
Further, when determining that the W-RLF has occurred, the AP 300 may transmit, to the eNB 200, a request for releasing the data bearer for the WLAN communication in the cellular/WLAN aggregation (WLAN Release Required) or a request for changing the data bearer for the WLAN communication in the cellular/WLAN aggregation to another data bearer (WLAN Modification Required) by using a direct communication pathway, for example. In this case, the AP 300 may omit the transmission of the W-RLF report.
The eNB 200 may transmit, on the basis of the WLAN Release Required, the WLAN Release Request to the AP 300. Further, the eNB 200 may transmit, on the basis of the WLAN Modification Required, the WLAN Modification Request to the AP 300.
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