Subband Adaptive Loading for Combination of OFDM and Adaptive Antenna Array(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In this letter, we investigate the performance of using subband adaptive loading for the combination of orthogonal frequency division multiplexing (OFDM) and adaptive antenna array. The frequency-domain adaptive loading is very effective to deal with the frequency-selective fading which is inevitable in broadband wireless communications. However, almost all of the existing adaptive loading algorithms are based on "subcarrier-to-subcarrier" mode which may results in awfully large signaling overhead, since every subcarrier needs its own signaling loop between the transmitter and receiver. We investigate the performance of the combination of OFDM and adaptive antenna array when a subband adaptive loading algorithm is used to decrease the signaling overhead. It is shown by simulation results that at the cost of some tolerable performance loss, the signaling overhead of adaptive loading can be greatly reduced.
- 社団法人電子情報通信学会の論文
- 2004-09-01
著者
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HARADA Hiroshi
National Institute of Information and Communications Technology (NICT)
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Zhang Ping
Beijing University Of Posts And Telecommunications (bupt)
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WAKANA Hiromitsu
National Institute of Information and Communications Technology
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Harada Hiroshi
National Inst. Of Information And Communications Technol. (nict) Kanagawa Jpn
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Lei Ming
Beijing University Of Posts And Telecommunications:national Institute Of Information And Communicati
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HARADA Hiroshi
Yokosuka Radio Communications Research Center
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Zhang Ping
Beijing Univ. Posts And Telecommunications Beijing Chn
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Wakana Hiromitsu
National Inst. Information And Communications Technol. (nict) Tokyo Jpn
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Wakana Hiromitsu
National Institute Of Information And Communications Technology (nict)
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Harada Hiroshi
National Insitute Of Information And Communication Technology
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