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Improving quality of security for CDMA using Orthogonal coding method

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6 Author(s)
Mushtaq, M.Z. ; Dept. of Electron. Eng., Islamia Univ. of Bahawalpur, Bahawalpur, Pakistan ; Ahsan, M. ; Jamil, M.S. ; Inam ur Rehman, M.
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A problem of security in CDMA wireless communication has already been considered due to possibility of eavesdropping by someone during CDMA communication. As CDMA communication has wireless channels to broadcast voice or data. Therefore, we considered an orthogonal coding (OOC) method having [0, I] sequences with good cross-correlation properties can be helpful to secure communication in CDMA. Using orthogonal codes enable large number of users to transmit data efficiently and safely. In this paper, we firstly considered medium level secured transmission to make it highly secured network for communication by securing our header files combining Walsh code in the transmitted data to make it complex for intruder for decoding. For totally unsecured transmission we secured both the header file and data using Orthogonal coding method used for medium level secured communication. In this paper, we discussed CDMA orthogonal coding technique with the help of bar graphs and diagrams.

Published in:

Computer Science and Network Technology (ICCSNT), 2011 International Conference on  (Volume:4 )

Date of Conference:

24-26 Dec. 2011