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Myeongyun. Cho, Woohyun Seo and Daesik Hong, "A joint feedback reduction scheme using delta modulation for dynamic channel allocation in OFDMA systems", IEEE Trans. Wireless Comm., Jan 2007
[IEEE Trans. Wireless Commun.]
조회 63802
Status : | Published |
---|---|
Date : | 2007-01 |
Title : | A joint feedback reduction scheme using delta modulation for dynamic channel allocation in OFDMA systems |
Authors : | Myeongyun Cho, Woohyun Seo and Daesik Hong |
Journal : | IEEE Transactions on Wireless Communications |
Abstract : | A novel feedback-reduction scheme is proposed for dynamic channel allocation (DCA) in OFDMA systems. Applying this delta-modulation (DM)-based scheme to the channel gain of adjacent subcarriers reduces the feedback information to 1 bit per subcarrier. Since this reduced feedback information can lead to performance degradation in the form of an increased bit error rate (BER), a modified amplitude craving greedy (ACG) method and improved DM are jointly adopted to minimize the loss. Simulation results verify that the proposed scheme can decrease feedback information by a factor of 1/M while retaining performance comparable to the full feedback case, which requires M bits per subcarrier as feedback information |
URL : | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1651942 |
Myeon-gyun Cho; Woohyun Seo; Youngsoo Kim; Daesik Hong; , "A joint feedback
reduction scheme using delta modulation for dynamic channel allocation in OFDMA
systems," Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005.
IEEE 16th International Symposium on , vol.4, no., pp.2747-2750 Vol. 4,
11-14 Sept. 2005
doi: 10.1109/PIMRC.2005.1651942
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1651942&isnumber=34629
doi: 10.1109/PIMRC.2005.1651942
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1651942&isnumber=34629
Related Publications
- International Journals Sungmook Lim, Gosan Noh, Hyungjong Kim, and Daesik Hong, "Optimal Tone Space Selection Scheme for OFDMA-VTS in Carrier Aggregation," IEEE Trans. Wireless Commun., Nov. 2013
- International Journals Woohyun Seo, Myeongyon Cho and Daesik Hong, "A New Full-band Feedback Scheme Using the Adaptive Grouping Method in OFDMA Systems", IEEE Trans. Wireless Comm., Jun 2008
- International Conference Hyunsoo Cheon, Byungjoon Park and Daesik Hong, "Adaptive Multicarrier System with Reduced Feedback Information in Wideband Radio Channels", IEEE VTC, Sept. 1999
- International Conference Myeongyun Cho, Youngju Kim, Jaekon Lee and Daesik Hong, "A CQI Feedback Reduction Scheme for Multi-User MIMO/OFDMA Systems", PIMRC 2007, Sep. 2007
- International Journals Choongchae Woo, Eunsung Oh, Seungyoup Han and Daesik Hong, "Simple Dynamic Subcarrier Allocation with CQI Feedback Reduction for OFDMA Systems", IEEE Trans. Veh. Technol., Sep 2008
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