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CIR performance of one-third ICI-SC subcarrier mapping technique with STFBC in MIMO-OFDMA system
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نویسنده
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mohamad h.a. ,idris a. ,dimyati k.
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منبع
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journal of telecommunication, electronic and computer engineering - 2017 - دوره : 9 - شماره : 1-3 - صفحه:113 -117
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چکیده
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In multiple input multiple output (mimo) with orthogonal frequency division multiple access (ofdma) system,intercarrier interference (ici) is one of the major drawback in the system. this is due to the orthogonality of the subcarrier which has been destroyed by frequency offset (fo) and thus degrades the system performance. in order to overcome this problem,one-third intercarrier interference self-cancellation (ici-sc) subcarrier mapping method with space time frequency block codes (stfbc) is proposed. average power desired (apd) signal,ici and carrier to interference ratio (cir) are derived theoretically and the proposed signal is analyzed with other previous methods. as a result,it is proven that by choosing the suitable subcarrier mapping with ici-sc method,mimo-ofdma system performance which affected by fo can be improved with maximum diversity order.
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کلیدواژه
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Carrier to interference ratio; Intercarrier interference self-cancellation; Mapping technique; Space time frequency block codes
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آدرس
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wireless communication technology group (wicot),advanced computing and communication communities of research,faculty of electrical engineering,universiti teknologi mara (uitm),shah alam, Malaysia, wireless communication technology group (wicot),advanced computing and communication communities of research,faculty of electrical engineering,universiti teknologi mara (uitm),shah alam, Malaysia, wireless communication technology group (wicot),advanced computing and communication communities of research,faculty of electrical engineering,universiti teknologi mara (uitm),shah alam, Malaysia
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Authors
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