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Method and device for transmitting response information
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A technology of answering information, transmission method, applied in the field of communication
Active Publication Date: 2022-07-26
HUAWEI TECH CO LTD
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[0005] This application provides a method and device for transmitting response information to solve the problem of terminal equipment feeding back response information
Method used
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example 1
[0116] Example 1, the first state is a state that satisfies Condition 1 or Condition 2:
[0117] Condition 1: The first time-frequency resource used for transmitting the first response information and the second time-frequency resource used for transmitting the first uplink information overlap in the time domain, wherein the first uplink information is the first time-frequency resource. The second response information is the uplink data information to be sent, and the second response information is the response information of the second downlink data. In this embodiment of the present application, the overlap includes partial overlap and complete overlap.
[0118] It should be noted that the first time-frequency resource used for transmitting the first response information and the second time-frequency resource used for transmitting the first uplink information all overlap in the time domain. The time-frequency resource and the second time-frequency resource may be the same t...
example 2
[0123] Example 2, the second state is a state that satisfies condition 3 or condition 4:
[0124] Condition 3, the first time-frequency resource used for transmitting the first response information and the second time-frequency resource used for transmitting the first uplink information do not overlap in the time domain, wherein the first uplink information is The second response information may be the uplink data information to be sent.
[0125] Condition 4, within the first time unit, only the first response information is to be transmitted.
[0126]In a possible implementation manner, in S802, the terminal device may further include S804 before determining whether to send the first response information according to the transmission state of the first response information. Specifically, the S804 may be performed in the terminal The device may execute after receiving the first downlink data, or may execute before the terminal device receives the first downlink data, which is...
example 2
[0138] Example 2: When the transmission state of the first response information is the first state, the terminal device sends the first response information to the network device. In this case, the network device also receives the first response information from the terminal device.
[0139] In the following, when the first uplink information is different information, the solution of Example 2 will be described in detail.
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Abstract
A method and device for transmitting response information are used to solve the problem of how terminal equipment feeds back response information to reduce the complexity of blind detection of network equipment. After the terminal device receives the first downlink data from the network device, the first downlink data is transmitted in a semi-persistent scheduling manner, and whether to send the first downlink data to the network device is determined according to the transmission status of the first response information of the first downlink data The first response information, wherein the transmission state may include two states, one state indicates that the first response information and the first uplink information are to be transmitted simultaneously in the first time unit, and the other state indicates that the first response information and the first uplink information are to be transmitted simultaneously in the first time unit. A response message is to be transmitted separately; thus, the network device determines whether to receive the first response message according to the transmission state of the first response message, thereby reducing the complexity of blind detection by the network device.
Description
technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a method and apparatus for transmitting response information. Background technique [0002] Compared with the previous generations of mobile communication systems, the fifth-generation (5G) mobile communication system has put forward higher requirements in terms of transmission rate, time delay, and power consumption. Enhanced mobile broadband (eMBB), massive machine type communication (mMTC) and ultra-reliable and low-latency communication (URLLC) are defined as the three typical services of 5G . [0003] As one of the three typical 5G services, URLLC is mainly used in autonomous driving, telemedicine, etc. These application scenarios put forward stricter requirements in terms of reliability and delay. The specific requirements of URLLC services include: data transmission reliability reaching 99.999%, transmission delay less than 1ms, ...
Claims
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Application Information
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