Blind inter carrier interference compensation in MIMO SC-IFDMA system using firefly algorithm

详细信息    查看全文

• 作者：Deepak Padmanabhan Maya ; ^{deepakpmnitc@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Ali Chathan Kandiyil
• 关键词：Single carrier FDMA ; Firefly algorithm ; Inter carrier interference ; Carrier frequency offset ; Block circulant matrices ; MIMO systems
• 刊名：AEU - International Journal of Electronics and Communications
• 出版年：2016
• 出版时间：June 2016
• 年：2016
• 卷：70
• 期：6
• 页码：857-865
• 全文大小：1354 K

文摘

A mathematical formulation of the detrimental effects of carrier frequency offset (CFO) and channel on uplink MIMO single carrier frequency division multiple access system with interleaved subcarrier mapping (SC-IFDMA) is carried out, and a linear filter is derived to counteract the performance degradation, under the assumption of perfect knowledge of CFO. Later on, the assumption on CFO parameter is removed, and a blind interference cancelation scheme based on firefly algorithm is proposed. The typical structure of the interference in SC-IFDMA is utilized in developing a low complexity implementation model for the proposals. The extensive simulation study is carried out using MATLAB and the significant features of the proposals were substantiated.