TECHNIQUES FOR CONTROLLING HYBRID AUTOMATIC REPEAT REQUEST (HARQ)

TECHNIQUES FOR CONTROLLING HYBRID AUTOMATIC REPEAT REQUEST (HARQ)

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may adaptively switch between hybrid automatic repeat request (HARQ) monitoring modes to support power savings. In a first HARQ skipping mode, the UE may transmit an uplink message corresponding to a HARQ...

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Hauptverfasser: Bhawnani, Udayan Murli, Bhattacharjee, Supratik, Dang, Zhibin, Yuan, Rebecca Wen-Ling, Zhang, Nan, Das, Sibasish, Bharadwaj, Chetan Jagdeesh, Hariharan, Gautham, Ali, Ahmed Omar Desouky, Kota, Sumanth Kumar, Jootar, Jittra, Pals, Timothy Paul, Banister, Brian Clarke, Rashid, Farrukh, Wang, Min, Santhanam, Arvind Vardarajan, Handa, Omesh Kumar
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Zusammenfassung:Methods, systems, and devices for wireless communications are described. A user equipment (UE) may adaptively switch between hybrid automatic repeat request (HARQ) monitoring modes to support power savings. In a first HARQ skipping mode, the UE may transmit an uplink message corresponding to a HARQ identifier and may receive a positive acknowledgment (ACK) message in a HARQ monitoring occasion associated with the HARQ identifier. Upon receiving the ACK message, the UE refrains from monitoring a subsequent HARQ monitoring occasion associated with the HARQ identifier while in the first HARQ skipping mode (e.g., an aggressive HARQ skipping mode). The UE may periodically enter a periodic evaluation mode from the first HARQ skipping mode, in which the UE monitors a subsequent HARQ monitoring occasion after receiving an ACK message to check for false ACK messages. If a false ACK message is detected, the UE enters a first HARQ skipping prohibited mode.