A Simple Adaptive Switching Scheme between STBC-OFDM and SFBC-OFDM Systems
نویسندگان
چکیده
In this letter, we propose a simple adaptive switching scheme to enhance the performance of space-time/frequency block coded OFDM systems (STBC/SFBC-OFDM). Since STBC-OFDM and SFBCOFDM undergo severe performance degradation in timeand frequencyselective fading channels, respectively, performance enhancement can be achieved by switching between STBC-OFDM and SFBC-OFDM over a continuously varying channel environments. Thus, a new switching scheme based on the characteristics of the actual channel is proposed. The effectiveness of the proposed scheme is demonstrated by computer simulations. key words: space-time/frequency block code (STBC/SFBC), OFDM, adaptive switching
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ورودعنوان ژورنال:
- IEICE Transactions
دوره 92-B شماره
صفحات -
تاریخ انتشار 2009