Indication method, repeat transmission control method and related equipment
A technology of repeated transmission and control method, which is applied in the field of communication, and can solve problems such as the number of repeated transmissions of difficult physical channels, the number of times the sender cannot distinguish the correct demodulation of the physical channel by the target receiver, and the waste of physical resources.
Pending Publication Date: 2021-02-23
CHINA MOBILE COMM LTD RES INST +1
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Problems solved by technology
[0005] Embodiments of the present invention provide an indication method, a repeated transmission control method, and related equipment to solve the problem that in the existing repeated transmission scheme, the sending end cannot distinguish the number of times the target receiving end correctly demodulates the physical channel, so that it is difficult to reasonably adjust the subsequent physical channel The number of repeated transmissions can easily lead to the waste of physical resources
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[0175] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0176] In the embodiment of the present invention, an indication method, a repeated transmission control method and related equipment are proposed to solve the problem that in the existing repeated transmission scheme, the sending end cannot distinguish the number of times the target receiving end correctly demodulates the physical channel, so it is difficult to reasonably adjust the subsequent The repeated transmission times of the physical channel may...
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The invention provides an indication method, a repeat transmission control method and related equipment, and relates to the technical field of communication. The indication method comprises steps of receiving a repeat transmission physical channel, the repeat transmission frequency of the physical channel being M, and M being an integer greater than or equal to 2; and sending the indication information, the indication information being used for indicating whether the physical channel is correctly demodulated according to the previous N repetitive transmissions, and N being a positive integer less than or equal to M. The method is advantaged in that the receiving end equipment can indicate whether the physical channel is correctly demodulated according to the previous N times of repeated transmission through the indication information, so the sending end equipment can distinguish the times of correctly demodulating the physical channel by the receiving end equipment; therefore, the subsequent repeated transmission times of the physical channel can be reasonably adjusted based on the feedback times, and the purpose of saving physical transmission resources is achieved.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to an indication method, a repeated transmission control method and related equipment. Background technique [0002] In the prior art, in order to increase channel coverage or communication distance, repeated transmission of physical channels (such as Physical Downlink Shared Channel (PDSCH), Physical Uplink Shared Channel (PUSCH), Physical Bypass shared channel (Pysical SidelinkShare Channel, PSSCH, etc.), and for the number of repeated transmissions, it is usually determined in a semi-static way (adjusting the number of repetitions at intervals), sometimes even fixed, when the physical channel This is especially true when the transmitting end lacks accurate Channel State Information (CSI). [0003] In this way, on the one hand, when the physical channel is correctly received by the target receiving end, if the semi-static configuration or the predefined number of r...
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IPC IPC(8): H04W24/02H04L1/16H04L1/18H04L5/00
CPCH04W24/02H04L1/1607H04L1/1812H04L5/0055
Inventor 夏亮徐晓东张轶
Owner CHINA MOBILE COMM LTD RES INST