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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
技術領域
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

In accordance with another embodiment of the present invention, an apparatus of a UE is provided for wireless communications. The apparatus includes a receiver configured to receive configuration information including a resource start offset and information for a transmission type of an EPDCCH, and receive DCI transmitted using at least one antenna port of a base station on the EPDCCH using at least one of CCEs. The apparatus also includes a processor configured to determine a resource of a PUCCH 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 PDCCH is distributed transmission. The apparatus further includes a transmitter configured to transmit a HARQ-ACK signal on the resource to the base station.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and other aspects, features, and advantages of the present invention will be more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a diagram illustrating a structure for a DL TTI;

FIG. 2 is a diagram illustrating an encoding process for a DCI format at a NodeB transmitter;

FIG. 3 is a diagram illustrating a decoding process for a DCI format at a UE receiver;

FIG. 4 is a diagram illustrating a transmission process of DCI formats in respective PDCCHs;

FIG. 5 is a block diagram illustrating a UE transmitter for a ZC sequence;

權利要求

1
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