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http://hdl.handle.net/10397/701
| Title: | Permutation-based DCSK and multiple-access DCSK systems | Authors: | Lau, FCM Cheong, KY Tse, CKM |
Issue Date: | Jun-2003 | Source: | IEEE transactions on circuits and systems. I, Fundamental theory and applications, June 2003, v. 50, no. 6, p. 733-742 | Abstract: | This paper presents a method for enhancing the differential chaos-shift-keying (DCSK) and multiple access DCSK systems. By introducing a permutation transformation which destroys the similarity between the reference and data samples in a DCSK system, the bit rate can be made undetectable from the frequency spectrum, thereby enhancing the data security. Using different transformations for different users, the interference between users in a multiple-access system can be minimized, and each symbol is ensured to be sent within one bit duration for all users. Furthermore, the implementation requires only slight modification to the original DCSK system. | Keywords: | Chaos communication Differential chaos-shift-keying Multiple access |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on circuits and systems. I, Fundamental theory and applications | ISSN: | 1057-7122 | DOI: | 10.1109/TCSI.2003.812616 | Rights: | © 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holders. |
| Appears in Collections: | Journal/Magazine Article |
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