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International Journal of Antennas and Propagation
Volume 2012, Article ID 798046, 6 pages
Research Article

Closely Mounted Compact Wideband Diversity Antenna for Mobile Phone Applications

1Communication R&D Center, Samsung Thales Co., Seongnam-Si, Gyeonggi-Do, 463-870, Republic of Korea
2Graduate School of NID Fusion Technology, Seoul National University of Technology, 172 Gongneung-2 Dong, Nowon-Gu, Seoul 139-743, Republic of Korea
3Department of Electric Energy System, Korea Polytechnic College II, 448-56, Munemiro, Gusan-Dong, Bupyeong-Gu, Incheon 403-719, Republic of Korea
4Department of Wireless Communications Engineering, Kwangwoon University, 447-1 Wolgye-Dong, Nowon-Gu, Seoul 139-701, Republic of Korea

Received 6 January 2012; Accepted 13 March 2012

Academic Editor: Seong-Youp Suh

Copyright © 2012 Bunggil Yu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Here a compact wideband diversity antenna covering the PCS/UMTS/WiMAX bands with high isolation and low enveloped correlation coefficient (ECC) is proposed. To widen the bandwidth, the proposed antenna uses a structure with a gap-coupled feed and an inductively shorted line that has capacitive compensation between the radiator and the ground plane. Also, a suspended line with a parasitic element is used to enhance the isolation between the two antennas.