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Hyungjong Kim, Hano Wang, Sungmook Lim, and Daesik Hong,"On the Impact of Outdated Channel Information on the Capacity of Secondary User in Spectrum Sharing Environments" IEEE Trans. Wireless Comm., Jan 2012

[IEEE Trans. Wireless Commun.]
조회 52245
Status : Published 
Date : 2012-01 
Title : On the Impact of Outdated Channel Information on the Capacity of Secondary User in Spectrum Sharing Environments 
Authors : Hyungjong Kim, Hano Wang, Sungmook Lim and Daesik Hong 
Journal : IEEE Transactions on Wireless Communications 
Abstract : Conventional investigations on the capacity of a secondary link in spectrum sharing environments have assumed that a secondary user knows perfect channel information between the secondary transmitter and primary receiver. However, this channel information may be outdated at the secondary user because of the time-varying properties or feedback latency from the primary user. If the secondary user allocates transmission power using this outdated channel information, the interference power to the primary receiver will not satisfy the predetermined interference constraint. In this paper, we investigate the impact of outdated channel information between secondary and primary users in spectrum sharing environments. We begin by deriving the ergodic capacity of secondary user along with the optimum power allocation under the average received-power constraint. We also provide a closed-form expression for the ergodic capacity without interference from the primary transmitter, and the capacity bounds with interference from the primary transmitter. Moreover, we provide the power margin required to satisfy the interference outage probability at the primary user under the peak received-power constraint. Lastly, we derive the secondary user's ergodic capacity with and without interference from the primary transmitter. Comparisons done using simulations show the effects of the uncertainty of channel information and interference from the primary transmitter under both constraints. 
URL : http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6094132 
Download : http://mirinae.yonsei.ac.kr/?module=file...637e420e60 

Hyungjong Kim; Hano Wang; Sungmook Lim; Daesik Hong; , "On the Impact of Outdated Channel Information on the Capacity of Secondary User in Spectrum Sharing Environments," Wireless Communications, IEEE Transactions on , vol.11, no.1, pp.284-295, January 2012

doi: 10.1109/TWC.2011.112311.110307
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6094132&isnumber=6135125

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List of Articles
No.
Status Datesort
13 [IEEE Trans. Wireless Commun.] Jaeyoung Choi, Beomju Kim, Kwonjong Lee, and Daesik Hong, "A Transceiver Design for Spectrum Sharing in Mixed Numerology Environments", IEEE Trans. on Wireless Comm., Mar. 2019 Published  2019-03 
12 [IEEE Commun. Lett.] Gosan Noh, Sungmook Lim, and Daesik Hong, "Exact Capacity Analysis of Spectrum Sharing Systems: Average Received-Power Constraint", IEEE Comm. Letters, May 2013 file Published  2013-05 
11 [IEEE Trans. Commun.] Jemin Lee, Jeffrey G. Andrews, and Daesik Hong, "Spectrum-Sharing Transmission Capacity with Interference Cancellation", IEEE Transactions on Communications, Jan. 2013 file Published  2013-01 
10 [IEEE Trans. Wireless Commun.] Hyungjong Kim, Sungmook Lim, Hano Wang and Daesik Hong, "Optimal Power Allocation and Outage Analysis for Cognitive Full Duplex Relay Systems", IEEE Trans. Wireless Comm., Oct. 2012 file Published  2012-10 
9 [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 
» [IEEE Trans. Wireless Commun.] Hyungjong Kim, Hano Wang, Sungmook Lim, and Daesik Hong,"On the Impact of Outdated Channel Information on the Capacity of Secondary User in Spectrum Sharing Environments" IEEE Trans. Wireless Comm., Jan 2012 file Published  2012-01 
7 [IEEE Trans. Wireless Commun.] Jemin Lee, Jeffrey G. Andrews, and Daesik Hong, "Spectrum-sharing Transmission Capacity" IEEE Trans. Wireless Comm., Sep 2011 file Published  2011-09 
6 [IEEE Trans. Veh. Technol.] Sungsoo Park, Woohyun Seo, Sooyong Choi, and Daesik Hong "A Beamforming Codebook Restriction for Cross-Tier Interference Coordination in Two-tier Femtocell Networks," IEEE Trans. Veh. Technol., May 2011 file Published  2011-05 
5 [IEEE Trans. Wireless Commun.] Sungsoo Park, Woohyun Seo, Youngju Kim, Sungmook Lim, and Daesik Hong, "Beam Subset Selection Strategy for Interference Reduction in Two-tier Femtocell Networks," IEEE Trans. Wireless Commun., Nov. 2010 file Published  2010-11 
4 [IEEE Trans. Veh. Technol.] Youngju Kim, Taehoon Kwon, and Daesik Hong, "Area Spectral Efficiency of Shared Spectrum Hierarchical Cell Structure Networks," IEEE Trans. Veh. Technol., Oct. 2010 file Published  2010-10 
3 [IEEE Trans. Wireless Commun.] Youngju Kim, Sungeun Lee, and Daesik Hong, "Performance Analysis of Two-tier Femtocell Networks with Outage Constraints," IEEE Trans. Wireless Commun., Sept. 2010 file Published  2010-09 
2 [IEEE Trans. Wireless Commun.] Hano Wang, Jemin Lee, Sungtae Kim and Daesik Hong, "Capacity Enhancement of Secondary Links through Spatial Diversity in Spectrum Sharing", IEEE Trans. Wireless Commun., Feb 2010 file Published  2010-02 
1 [IEEE Trans. Veh. Technol.] Hano Wang, Jemin Lee, Sungtae Kim, and Daesik Hong, "Capacity of Secondary Users Exploiting Multispectrum and Multiuser Diversity in Spectrum-Sharing Environments," IEEE Trans. Veh. Technol., Feb 2010 file Published  2010-02 
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