OFDM Multiple Antennas Cognitive Radio Relay CDMA Synchronization Channel Estimation Spectrum Sharing Interference Cancellation Resource Allocation Spectrum Sensing Neural Networks Full duplex Stochastic Geometry Equalizer Bi-Directional Feedback Energy Harvesting Heterogeneous Networks Femtocell Device-to-Device (D2D) Idle cells Cross-link interference FBMC Spectral efficiency Cell Search SINR mismatch problem NOMA Ultra-dense small cell networks HetNet interference management Dynamic TDD outage probability selection diversity achievable sum rate bursty traffic model Cognitive relay networks mode selection multi-spectral 5G Complexity Singular Vale Decomposition OQAM tabu-search Filtered OFDM TDD configuration flexible duplex Handoff GFDM Heterogeneous channel estimation capability self-interference cancellation in-band full-duplex system Channel estimation error coexistence CP-OFDM MU-MIMO automatic repeat request (ARQ) Two-way communications UWB full-duplex relay full-duplex cellular Simultaneous Sensing and Transmission Correlated MIMO transmission capacity (TC) sensing duration Bi-directional full-duplex Vehicle-to-Vehicle prototype filter pilot signal Coexistence scenarios resource size control Vehicle-to-vehicle communication link reliability interference to noise ratio eigen decomposition TS-W-OFDM Resource management Cooperative systems LTE-based V2V Aggregate interference time-frequency efficiency mixed numerology Windowing Reliability C-V2V Asynchronous Transmission Full-duplex Computation offloading Grant-free Transmission Preamble full-spreading NOMA massive connectivity Edge computing Multiple access MLP Deep learning Railway Mobility interference mitigation HST non-orthogonal multiple access
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 
List of Articles
No.
Status Datesort
6 [IEEE Trans. Wireless Commun.] 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 file Published  2013-11 
5 [IEEE Trans. Wireless Commun.] Sungmook Lim, Hano Wang, Hyungjong Kim, and Daesik Hong,"Mean Value-based Power Allocation without Instantaneous CSI Feedback in Spectrum Sharing Systems" IEEE Trans. Wireless Comm., March 2012 file Published  2012-03 
4 [IEEE Trans. Veh. Technol.] Hyungjoon Song, Woohyun Seo, and Daesik Hong "Compressive Feedback Based on Sparse Approximation for Multiuser MIMO Systems," IEEE Trans. Veh. Technol., Feb 2010 file Published  2010-02 
3 [IEEE Trans. Veh. Technol.] 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 Published  2008-09 
2 [IEEE Trans. Wireless Commun.] 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 file Published  2008-06 
» [IEEE Trans. Wireless Commun.] 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 Published  2007-01