Performance Enhancement of an OFDMA/CDM-Based Cellular System in a Multi-Cell Environment(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In this letter, we propose an OFDMA/CDM-based cellular system, which accommodates users in different frequency bands and multiplexes user data symbols with frequency domain spreading. The proposed system utilizes random codes to discriminate between cells and adopts the pre-equalization to enhance the performance. An efficient power allocation scheme is suggested for cellular applications with a transmit power constraint. In particular, the validity of the OFDMA/CDM-based cellular system is examined, by investigating its performance as a function of the number of multiplexed data symbols at different locations.
- 社団法人電子情報通信学会の論文
- 2006-01-01
著者
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Ryu Je-hoon
Inha University:(present Address)lg Electronics
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Kim Duk-kyung
Department Of Anesthesiology And Pain Medicine Konkuk University School Of Medicine
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