Fairness Resource Allocation Scheme for GBR Services in Downlink SCMA System

被引：0
|
作者：
Chen, Chenju [1 ]
Tian, Hui [2 ]
Nie, Gaofeng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Beijing, Peoples R China
[2] State Key Lab Networking & Switching Technol, Beijing, Peoples R China
来源：
2020 IEEE/CIC INTERNATIONAL CONFERENCE ON COMMUNICATIONS IN CHINA (ICCC) | 2020年
基金：
中国国家自然科学基金;
关键词：
SCMA; downlink resource allocation; Fairness; GBR; Hungarian method;
D O I：
10.1109/iccc49849.2020.9238827
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a resource allocation scheme, SCMA-Hungarian (SH), for downlink SCMA system is proposed. By jointly considering the fairness and the guaranteed bit rate (GBR) constraint, Hungarian method is used to achieve a global best assignment, aiming to make more users meeting GBR requirement with high fairness. To further reduce the computation complexity, the Block-based SCMA-Hungarian (BSH) scheme is proposed for practical scenario. Simulation results demonstrate that BSH and SH have similar performance. The two schemes outperform in both throughput by nearly 8.5% and the number of users meeting GBR requirement by maximum 15.6% compared to an existing fairness scheme, SCMA-PF.
引用
收藏
页码：190 / 195
页数：6
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