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HARQ-ACK signal transmission in response to detection of control channel type in case of multiple control channel types

專利號
US10149282B2
公開日期
2018-12-04
申請人
Samsung Electronics Co., Ltd.（KR）
發(fā)明人
Aris Papasakellariou; Joon-Young Cho
IPC分類
H04W72/04; H04L1/18
技術(shù)領(lǐng)域
epdcch,ue,pucch,harq,ack,prbs,lcce,epdcchs,resource,nlcce
地域： Gyeonggi-do

摘要

Methods and apparatuses are provided for wireless communications. Configuration information including a resource start offset and information for a transmission type of an enhanced physical downlink control channel (EPDCCH) are received. Downlink control information (DCI), transmitted using at least one antenna port of a base station on the EPDCCH using at least one of control channel elements (CCEs), are received. A resource of a physical uplink control channel (PUCCH) is determined based on a first CCE of the at least one of CCEs, information in the DCI, and the resource start offset in the configuration information if the transmission type of the EPDCCH is distributed transmission. A hybrid automatic repeat request acknowledgement (HARQ-ACK) signal is transmitted on the resource to the base station.

說明書

FIG. 14 is a diagram illustrating an assignment of different offsets for determining a PUCCH resource for HARQ-ACK transmission associated with different DMRS antenna ports, according to an embodiment of the present invention;

FIG. 15 is a diagram illustrating a use of HPRO to separate PUCCH resources for HARQ-ACK signal transmissions from different UEs in response to respective detections of EPDCCHs, according to an embodiment of the present invention;

FIG. 16 is a diagram illustrating an adaptive use of antenna diversity for transmitting an HARQ-ACK signal in response to an EPDCCH detection depending on whether the EPDCCH transmission is localized or distributed, according to an embodiment of the present invention;

FIG. 17 is a diagram illustrating an adaptive use of transmitter antenna diversity for an HARQ-ACK signal depending on whether or not a respective detected EPDCCH was transmitted with one ECCE or with multiple ECCEs, according to an embodiment of the present invention; and

FIG. 18 is a diagram illustrating an adaptive functionality for a UE to determine a resource for a HARQ-ACK signal transmission in response to an EPDCCH detection, according to an embodiment of the present invention.

DETAILED DESCRIPTION OF EMBODIMENTS OF THE PRESENT INVENTION

權(quán)利要求

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