A resource allocation method based on the coexistence of embb and urllc

A resource allocation and scene technology, applied in wireless communication, electrical components, etc., can solve the problems of reducing system throughput, system spectrum utilization rate, EMBB user data rate loss, etc., achieve throughput loss balance, and reduce decoding errors efficiency, and the effect of avoiding serious damage

Active Publication Date: 2022-05-10
HANGZHOU DIANZI UNIV
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Problems solved by technology

At present, the academic community has researched many resource allocation methods in the coexistence scenarios of EMBB users and URLLC users. These methods either cause the system spectrum utilization rate to decrease, or cause the data rate loss of EMBB users to meet the low-latency constraints of URLLC users. Reduce system throughput

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  • A resource allocation method based on the coexistence of embb and urllc
  • A resource allocation method based on the coexistence of embb and urllc
  • A resource allocation method based on the coexistence of embb and urllc

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Embodiment Construction

[0042] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described here are only used to illustrate and explain the present invention, but not to limit the invention.

[0043] In recent years, users with different QoS coexist in the same frequency band, such as EMBB users and URLLC users. Due to the low-latency constraints of URLLC users, URLLC users are prioritized over EMBB users for scheduling. In the case of resource shortage, URLLC users will occupy resources that have been allocated to EMBB users, thereby reducing the throughput of EMBB users. Moreover, the scheduling method of EMBB users The reliability and latency thresholds required by URLLC users are not guaranteed and therefore cannot be applied to URLLC user scheduling.

[0044] like fi...

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Abstract

The present invention provides a resource allocation method based on the coexistence scenario of EMBB and URLLC, including steps: 1. Establishing a system model of coexistence of EMBB and URLLC users and collecting channel state information (CSI); 2. Analyzing and solving the target problem, and analyzing the obtained The resource allocation vector value is verified until the performance requirements are met; 3. One-to-one matching is performed according to the preference lists of EMBB and URLLC users; 4. According to the resource allocation strategy, resource allocation is performed on the data packets of EMBB and URLLC users. The resource allocation method for coexistence of different types of users provided by the present invention does not need to reserve resources for URLLC users in advance, and can guarantee the EMBB service in each time slot while satisfying the low delay and high reliability of the URLLC service. fairness and reliability.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a resource allocation method based on the coexistence scenario of EMBB and URLLC. Background technique [0002] Wireless resource sharing between EMBB (Enhanced Mobile Broadband) and URLLC (Ultra-reliable and Low Latency Communications) users is facing a difficult problem, because simultaneously satisfying the high data rate of EMBB users and the ultra-reliable and low-latency constraints of URLLC users is a Challenging tasks. At present, the academic community has researched many resource allocation methods in the coexistence scenarios of EMBB users and URLLC users. These methods either cause the system spectrum utilization rate to decrease, or cause the data rate loss of EMBB users to meet the low-latency constraints of URLLC users. Reduce system throughput. Contents of the invention [0003] In view of the above problems, the present invention provid...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/08H04W72/04
CPCH04W72/0446H04W72/0453H04W72/53H04W72/543H04W72/542
Inventor 孙文胜赵莹莹杨征吴启辉朱讯
Owner HANGZHOU DIANZI UNIV
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