USER EQUIPMENT, PDSCH A/N TRANSMITTING METHOD THEREOF, TRANSMISSION/RECEPTION POINT, AND PDSCH A/N RECEIVING METHOD THEREOF
First Claim
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1. A method for transmitting acknowledgement/negative acknowledgement (A/N) by a user equipment configured with at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), having different Uplink-Downlink (UL-DL) configurations, the method comprising:
- receiving a physical downlink shared channel (PDSCH) transmission on the SCell in a subframe ‘
n−
ki’
, the n, k and I being an integer;
determining the interval ‘
ki’
between the reception of the PDSCH transmission on the SCell and a responsive A/N transmission, the interval being determined based on a reference UL-DL configuration for the SCell; and
transmitting the A/N responsive to the PDSCH transmission on the SCell in a subframe ‘
n’
according to the interval,wherein the reference UL-DL configuration for the SCell is determined based on a PCell UL-DL configuration and SCell UL-DL configuration pair in Table 1-1 below;
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Abstract
The present invention relates to a system that includes a transmission/reception point and a user equipment having different configurations in inter-band and performs a TDD (Time Division Duplex) method.
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Citations
1 Claim
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1. A method for transmitting acknowledgement/negative acknowledgement (A/N) by a user equipment configured with at least two serving cells comprising a primary cell (PCell) and a secondary cell (SCell), having different Uplink-Downlink (UL-DL) configurations, the method comprising:
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receiving a physical downlink shared channel (PDSCH) transmission on the SCell in a subframe ‘
n−
ki’
, the n, k and I being an integer;determining the interval ‘
ki’
between the reception of the PDSCH transmission on the SCell and a responsive A/N transmission, the interval being determined based on a reference UL-DL configuration for the SCell; andtransmitting the A/N responsive to the PDSCH transmission on the SCell in a subframe ‘
n’
according to the interval,wherein the reference UL-DL configuration for the SCell is determined based on a PCell UL-DL configuration and SCell UL-DL configuration pair in Table 1-1 below;
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Specification