Method and device for data transmission
A data transmission and data technology, applied in the field of data transmission, can solve the problems of increasing the complexity of feedback information, and achieve the effects of improving resource utilization, reducing complexity, and reducing difficulty
Active Publication Date: 2020-02-21
徐州博创建设发展集团有限公司
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Problems solved by technology
[0003] After the network device detects the signal sent by the terminal device, it needs to send feedback information to the terminal device, so that the terminal device can perform subsequent processing according to the feedback information. When there are many terminal devices sending data in one access slot, the feedback information sent by the network device There are also many, and the terminal device needs to determine its own feedback message from a large amount of feedback information, which leads to an increase in the complexity of the terminal device receiving feedback information
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[0050] The technical solution in this application will be described below with reference to the accompanying drawings.
[0051] figure 1 A communication system 100 to which the present application is applicable is shown. The communication system 100 includes a network device 110 and a terminal device 120. The network device 110 and the terminal device 120 communicate through a wireless network. When the terminal device 120 sends data, the wireless communication module can encode the information for transmission. Specifically, The wireless communication module may obtain a certain number of data bits to be sent to the network device 110 through the channel, such as data bits generated by the processing module, received from other devices or saved in the storage module. These data bits may be contained in one or more transport blocks (also referred to as information blocks), which may be segmented to produce multiple encoded blocks.
[0052] In this application, a terminal dev...
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The present application provides a data transmission method and apparatus. The method comprises: a first terminal device receives a feedback information set from a network device, the feedback information set comprising at least one piece of feedback information; the first terminal device determines first feedback information from the feedback information set according to location information, wherein the location information is used for indicating the position of the first feedback information in the feedback information set, the location information is determined by the first terminal device from a candidate resource set according to a first resource, the first resource is used by the first terminal device to send first data to the network device, and the first feedback information is feedback information of the first information. The data transmission method and apparatus provided in the present application can reduce complexity in receiving feedback information by the first terminal device.
Description
technical field [0001] The present application relates to the communication field, in particular to a data transmission method and device in the wireless communication field. Background technique [0002] The grant-free scheme is a communication method that can send data to the network device without the terminal device migrating to the connected state. When the terminal device needs to send data, it directly sends the data and the identification of the terminal device to the network device. The network device After correctly detecting the signal sent by the terminal device, the data and the identification of the terminal device are obtained. [0003] After the network device detects the signal sent by the terminal device, it needs to send feedback information to the terminal device, so that the terminal device can perform subsequent processing according to the feedback information. When there are many terminal devices sending data in one access slot, the feedback informatio...
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IPC IPC(8): H04L5/00H04L1/16
CPCH04L1/1607H04L5/0055H04L5/0058
Inventor 夏金环
Owner 徐州博创建设发展集团有限公司