Abstract
This paper investigates the effectiveness of the Interleave-Division Multiple-Access as an Anti-Collision Protocol for Ultra-Wideband Radio Frequency Identification (IDMA UWB RFID) system in Gaussian and Non-Gaussian Channels. Two different non-Gaussian noise models, Laplacian and Gaussian Mixture Model (GMM), have been studied which are more realistic models for UWB systems. The bit error rate analysis, for IDMA UWB RFID is performed based on UWB channel model proposed by IEEE 802.15.3a working group. The performance of the proposed IDMA-UWB RFID has been evaluated and compared with CDMA UWB RFID system in presence of Gaussian noise model. The performance of the proposed IDMA UWB RFID scheme is better than CDMA UWB RFID system with MMSE detector by about 2.5 dB in Gaussian noise. The proposed IDMA-UWB RFID system achieves near single tags performance in situations with large numbers of tags while maintaining low cost and low complexity Chip by Chip Iterative Receiver (CBC-IR).
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