USER DEVICE AND DATA TRANSMISSION METHOD
To reduce delay involved in data retransmission in a wireless communication system in which a plurality of base stations communicate with a user device.SOLUTION: A user device that communicates with a plurality of base stations including a first base station and a second base station includes a sign...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To reduce delay involved in data retransmission in a wireless communication system in which a plurality of base stations communicate with a user device.SOLUTION: A user device that communicates with a plurality of base stations including a first base station and a second base station includes a signal transmission unit that transmits data to the first base station and starts a data retransmission timer. When an acknowledgement for the data transmitted to the first base station is not received by the user device until the data retransmission timer is expired, the signal transmission unit re-transmits the data to the second base station.SELECTED DRAWING: Figure 14
【課題】複数の基地局がユーザ装置と通信を行う無線通信システムにおいて、データの再送に係る遅延を削減する。【解決手段】第１の基地局及び第２の基地局を有する複数の基地局と通信を行うユーザ装置において、前記第１の基地局にデータを送信し、データ再送タイマを起動する信号送信部を備え、前記データ再送タイマが満了するまでに、前記第１の基地局に送信された前記データに対する送達確認が前記ユーザ装置により受信されない場合において、前記信号送信部は、前記第２の基地局に対して前記データを再送する。【選択図】図１４ |
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