Abstract
The Direct Sequence Spread Spectrum, Code Division Multiple Access (DSSS-CDMA) is the one of the medium access technology in the future mobile communication systems because of its potential and immunity against noise. The CDMA has a unique feature, i.e., spectrum-spreading process which employs a pseudo random noise (PN) sequence. These systems suffer from Multiple Access Interference. The most important issue in spread spectrum approach is near-far effect. Spreading codes plays a very important role in DSSS-CDMA system. In this paper, DSSS-CDMA system is implemented in VHDL for field programmable gate array (FPGA) so as to remove near-far effect for Mobile Ad hoc Networks (MANET). Modelsim Xilinx Edition 10.2 (MXE) tool is used for functional simulation as well as logic verification. For synthesis, Xilinx Synthesis Technology (XST) of Xilinx ISE tool 14.2 is used for transmitter and receiver on Virtex 5 FPGA.
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Aakanksha Devrari, Adesh Kumar, Amit Kumar, Shraddha Singh (2017). Design and FPGA Implementation of DSSS for Near-Far Effect in MANET. In: Singh, R., Choudhury, S. (eds) Proceeding of International Conference on Intelligent Communication, Control and Devices . Advances in Intelligent Systems and Computing, vol 479. Springer, Singapore. https://doi.org/10.1007/978-981-10-1708-7_48
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DOI: https://doi.org/10.1007/978-981-10-1708-7_48
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