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Space division duplex (SDD) system using smart antenna


Citation

Ng, Chee Kyun and Khatun, Sabira and Mohd Ali, Borhanuddin and Jamuar, Sudhanshu Shekhar and Ismail, Mahamod (2005) Space division duplex (SDD) system using smart antenna. In: 2005 IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials (IWAT 2005), 7-9 Mar. 2005, Singapore. (pp. 483-488).

Abstract / Synopsis

In this paper, we introduce a new duplexing system, the so-called space division duplex, which can eliminate all kinds of interference. This new duplexing system consists of smart antenna multiple steered narrow beams and orthogonal large area synchronous spread spectrum codes. The purpose is to increase system capacity while maintaining its zero correlation window characteristics. The major types of interference and the properties of large area synchronous codes to combat these are studied. An overview of code division duplexing systems applying these orthogonal smart codes in a wireless environment is analyzed. This analysis shows that the number of orthogonal codes which can be utilized is limited. The proposed solution of a space division duplexing system, with its advantages, is presented. In addition, a code reuse concept is proposed to overcome the limitation of orthogonal codes. Finally, the system performance in term of spectral efficiency and capacity are presented.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1109/IWAT.2005.1461122
Publisher: IEEE
Keywords: Space division duplex (SDD); Duplexing systems; Smart antenna; Orthogonal codes; Spectral efficiency
Depositing User: Nabilah Mustapa
Date Deposited: 14 Jul 2016 17:10
Last Modified: 14 Jul 2016 17:10
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/IWAT.2005.1461122
URI: http://psasir.upm.edu.my/id/eprint/47729
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