The wireless channel modeling for RFID system with OPNET

Authors:
Yang Dongkai;Liu Wenli
Affiliations:
School of Electronics and Information Engineering, Beihang University, Beijing, China;School of Electronics and Information Engineering, Beihang University, Beijing, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

In RFID(Radio Frequency Identification) system, signal transmission environment could not be ignored as fast identification is critical. The general channel modeling method is presented in this paper and the fading effect is introduced into OPNET-based RFID network simulation by modifying the bit error rate value, which reflects the channel environment efficiently. For Aloha-based RFID system, a simple Rician fading channel models are demonstrated in the designed simulation network. In the numerical simulation the identification time could be calculated to validate the proposed wireless channel modeling.