诺玛
计算机科学
基站
吞吐量
波束赋形
单天线干扰消除
功率(物理)
计算机网络
无线
数学优化
电信
电信线路
频道(广播)
数学
量子力学
物理
作者
Zhaolin Wang,Yuanwei Liu,Xidong Mu,Zhiguo Ding,Octavia A. Dobre
标识
DOI:10.1109/lcomm.2022.3140271
摘要
A non-orthogonal multiple access (NOMA) empowered integrated sensing and communication (ISAC) framework is investigated. A dual-functional base station serves multiple communication users employing NOMA, while the superimposed NOMA communication signal is simultaneously exploited for target sensing. A beamforming design problem is formulated to maximize the weighted sum of the communication throughput and the effective sensing power. To solve this problem, an efficient double-layer penalty-based algorithm is proposed by invoking successive convex approximation. Numerical results show that the proposed NOMA-ISAC outperforms the conventional ISAC in the underloaded regime experiencing highly correlated channels and in the overloaded regime.
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