ADMM for Joint Data and Off-Grid NBI Recovery in OFDM Systems

被引：0
|
作者：
Al-Tous, Hanan [1 ]
Barhumi, Imad [1 ]
Kalbat, Abdulrahman [1 ]
Al-Dhahir, Naofal [2 ]
机构：
[1] UAE Univ, Coll Engn, Al Ain, U Arab Emirates
[2] Univ Texas Dallas, Erik Jonsson Sch Engn & Comp Sci, Richardson, TX 75083 USA
来源：
2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2018年
关键词：
OFDM; NBI; frequency-grid-mismatch; compressive sensing; ADMM; BAND INTERFERENCE MITIGATION; OPTIMIZATION;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Joint data and off-grid narrow-band interference (NBI) recovery is investigated in orthogonal-frequency-division-multiplexing (OFDM) systems using compressive-sensing (CS) framework. The joint recovery problem is formulated as a convex optimization problem of three weighted norms. A reduced computational complexity and scalable algorithm is proposed to solve the recovery problem based on the alternating-direction-method-of-multipliers (ADMM). Simulation results, show that the average-run-time of solving the joint recovery problem using the proposed ADMM algorithm is much less than the average-run-time of the interior point method.
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页数：6
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