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Enhanced mobile broadband service data retransmission method, device, user equipment and base station

A service data, mobile broadband technology, applied in the field of communication, can solve the problems of low probability of successful decoding, eMBB service decoding failure, interference, etc., and achieve the effect of improving the success rate of retransmission

Active Publication Date: 2021-02-26
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In the prior art, due to the burstiness of the URLLC service, the URLLC service may cause serious interference to one (or several) URLLC time slots in the eMBB time slot, resulting in the failure of decoding the eMBB service initially transmitted, and the eMBB service needs to be retransmitted. And when the retransmitted eMBB service data is preempted by the URLLC service, the delayed transmission scheme will discard the eMBB service data in the last URLLC time slot. It is said that the successful decoding probability of the scheme using delayed transmission is low

Method used

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  • Enhanced mobile broadband service data retransmission method, device, user equipment and base station
  • Enhanced mobile broadband service data retransmission method, device, user equipment and base station
  • Enhanced mobile broadband service data retransmission method, device, user equipment and base station

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Embodiment Construction

[0057] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058] The present invention provides a method for retransmitting enhanced mobile broadband service data, which is applied to user equipment UE, such as image 3 As shown, the method includes:

[0059] S11. Decoding the received initially transmitted enhanced mobile broadband eMBB service data;

[0060] S12. When the decoding fails, judge w...

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Abstract

The invention provides a method and device for retransmitting enhanced mobile broadband (eMBB) service data, user equipment and a base station. The method comprises the steps of decoding the receivedinitially transmitted eMBB service data; judging the signal to interference and noise ratio of the last URLLC (Ultra Reliability and Low Latency Communication) time slot of the initially transmitted eMBB service data is the worst or not when the decoding fails; selecting a retransmission mode of the eMBB service data according to a judgment result; and transmitting a retransmission request to thebase station, wherein the retransmission request indicates the selected retransmission mode of the eMBB service data. The method can improve the success rate of eMBB service retransmission under an eMBB service and URLLC service multiplexing scenario.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a retransmission method, device, user equipment and base station for enhanced mobile broadband service data. Background technique [0002] eMBB (enhanced Mobile Broadband) and URLLC (Ultra Reliability and Low Latency Communication) are two 5G application scenarios defined by 3GPP (3rd Generation Partnership Project). Among them, the URLLC service has very strict requirements on delay and reliability. In order to meet this requirement, a large bandwidth needs to be allocated to the URLLC service, so that the URLLC service can complete highly reliable transmission within the strict delay requirement. Because the URLLC service is bursty, if all the bandwidth is only allocated to the URLLC service, spectrum resources will be seriously wasted when no URLLC service arrives, resulting in low spectrum resource utilization. In order to improve spectrum resource utilizatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18
CPCH04L1/18H04L1/1858H04L1/189
Inventor 张飒黄甦
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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