CPC H04L 1/1896 (2013.01) [H04B 7/0417 (2013.01); H04B 7/0486 (2013.01); H04B 7/0617 (2013.01); H04B 7/0626 (2013.01); H04B 7/0632 (2013.01); H04B 7/0639 (2013.01); H04W 92/18 (2013.01)] | 20 Claims |
1. An information transmission method, comprising:
receiving, by a network device, Acknowledgement (ACK)/Non-Acknowledgement (NACK) information sent by a first terminal device; wherein the ACK/NACK information is obtained by the first terminal device according to information of a second sidelink channel sent by a second terminal device and received by the first terminal device, the ACK/NACK information is used for indicating whether sidelink data sent by the first terminal device to the second terminal device is correctly received by the second terminal device, the second sidelink channel comprises a sidelink feedback channel;
sending downlink control information to the first terminal device, wherein the downlink control information carries second indication information, and the second indication information is used for determining a transmission resource for the ACK/NACK information;
wherein receiving, by the network device, the ACK/NACK information sent by the first terminal device comprises:
receiving, by the network device, an uplink control channel PUCCH sent by the first terminal device, wherein the PUCCH carries the ACK/NACK information;
wherein the second indication information is used for determining a transmission resource of the PUCCH.
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