Back to results
US 9,871,635 B2Granted
Piggybacking uplink control information onto PUSCH in LTE-advanced
AssigneeLG Electronics Inc.
InventorsDong Youn Seo, Joon Kui Ahn, Min Gyu Kim, Suck Chel Yang
Life of this patent
Estimating the term…
Abstract
Provided are a method and apparatus for uplink transmission in a wireless communication system. A terminal sets an uplink transmission mode for a plurality of component carriers, multiplexes an uplink transport block and uplink control information in accordance with the uplink transmission mode, and transmits the multiplexed control information through one of the plurality of component carriers on an uplink channel.
Claims12
A method for uplink transmission in a wireless communication system, the method performed by a user equipment (UE) and comprising:
- setting an uplink transmission mode for a plurality of uplink component carriers (CCs) based on a transmission mode indicator, wherein the set uplink transmission mode corresponds to one of a multi-channel transmission mode that transmits a plurality of uplink channels through each uplink CC and a single-channel transmission mode that transmits one uplink channel per uplink CC;
- scheduling a first uplink transmission block and first control information in a first uplink CC in a first subframe;
- scheduling a second uplink transmission block in a second uplink CC and second control information in a third uplink CC in the first subframe;
- performing a self-carrier piggyback process in the first subframe such that the first control information in the first uplink CC is multiplexed to the first uplink transmission block in the first uplink CC, based on that the set uplink transmission mode corresponds to the multi-channel transmission mode;
- and
- transmitting a plurality of uplink shared channels of the plurality of uplink CCs on the first subframe, based on that the set uplink transmission mode corresponds to the multi-channel transmission mode,
- wherein the transmission mode indicator indicates whether the uplink transmission mode corresponds to the multi-channel transmission mode or the single-channel transmission mode,
- wherein the transmission mode indicator is transmitted from a base station,
- wherein the UE determines whether to perform a cross carrier piggyback according to the uplink transmission mode indicated by the transmission mode indicator, and
- wherein the cross carrier piggyback is not allowed to be performed in the first subframe such that the second control information in the third uplink CC is multiplexed to the second uplink transmission block in the second uplink CC, when the uplink transmission mode corresponds to the multi-channel transmission mode.
7 more elements
A user equipment for uplink transmission in a wireless communication system, the UE comprising:
- a transceiver configured to transmit and receive a radio signal, aggregate a plurality of downlink component carriers (CCS) and aggregate a plurality of uplink CCs;
- and
- a processor coupled to the transceiver and configured to:
- set an uplink transmission mode for the plurality of uplink CCs based on a transmission mode indicator, wherein the set uplink transmission mode corresponds to one of a multi-channel transmission mode that transmits a plurality of uplink channels through each uplink CC and a single-channel transmission mode that transmits one uplink channel per uplink CC,
- schedule a first uplink transmission block and first control information in a first uplink CC in a first subframe,
- schedule a second uplink transmission block in a second uplink CC and second control information in a third uplink CC in the first subframe,
- perform a self-carrier piggyback process in the first subframe such that the first control information in the first uplink CC is multiplexed to the first uplink transmission block in the first uplink CC, based on that the set uplink transmission mode corresponds to the multi-channel transmission mode, and
- control the transceiver to transmit a plurality of uplink channels of the plurality of uplink CCs on the first subframe, based on that the set uplink transmission mode corresponds to the multi-channel transmission mode,
- wherein the transmission mode indicator indicates whether the uplink transmission mode corresponds to the multi-channel transmission mode or the single-channel transmission mode,
- wherein the transmission mode indicator is transmitted from a base station,
- wherein the UE determines whether to perform a cross carrier piggyback according to the uplink transmission mode indicated by the transmission mode indicator, and
- wherein the cross carrier piggyback is not allowed to be performed in the first subframe such that the second control information in the third uplink CC is multiplexed to the second uplink transmission block in the second uplink CC, when the uplink transmission mode corresponds to the multi-channel transmission mode.
9 more elements
Dependencies are inferred from the claim text.