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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i13.20
pages 1153-1165

MITIGATION OF INTERFERENCE IN MIMO MULTI-CARRIER CDMA SYSTEM USING SUB-CARRIER SELF-CANCELLATION FOR CFO COMPENSATION

V. Noor Mohammed
VIT University, School of Electronics Engineering, Thiruvalam Road, Vellore 632 014, Tamil Nadu, India
M. Lakshmanan
VIT University, Vellore, India; Galgotias College of Engineering and Technology, Greater Noida 201 310, UP, India
M. Palanivelan
Rajalakshmi Engineering College, Chennai, Tamilnadu, India
Ankur Kar
VIT University, Vellore 632 014, Tamil Nadu, India
P. Tripathy
VIT University, Vellore 632 014, Tamil Nadu, India

要約

This paper analyses the effects of interference in multi-carrier communication in wireless channel and improves the system performance, in terms of Bit Error Rate (BER) using Multi-carrier Code Division Multiple Access (MC-CDMA) with Subcarrier Self-Cancellation (SSC) technique. SSC is performed for two successive subcarriers. Walsh Hadamard (WH) Code is used to spread the symbols. Simulation results show a significant improvement in performance by increasing the spreading code length with respect to the number of subcarriers. The performance of the system, in terms of BER and bandwidth efficiency, depends on the ratio between these two parameters.


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