| CPC H04W 72/23 (2023.01) [H04L 5/0048 (2013.01)] | 20 Claims |

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1. A method for receiving a transmission indication signal, applied to a side of a terminal, the method comprising:
receiving the transmission indication signal on a part of time-frequency resources occupied by a network device, wherein the time-frequency resources occupied by the network device are unlicensed band resources, the transmission indication signal is used to instruct the terminal to perform a corresponding terminal behavior according to terminal behavior indication information, the terminal behavior indication information is pre-allocated to the terminal by the network device, the terminal behavior indication information is used to indicate the terminal behavior, and the terminal behavior indication information is used to instruct the terminal to perform beam failure detection;
wherein the transmission indication signal is transmitted in a form of a preset sequence, wherein the preset sequence comprises at least one of: a ZC sequence, a Gold sequence or an m sequence; and
wherein the preset sequence is transmitted periodically and repeatedly in a time direction, and the preset sequence is mapped according to an order of a frequency direction first and then the time direction.
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