Threshold-Based I-Q Diversity Combining Scheme for UHF RFID Readers and Its Performance
- Authors
- Nam, Sung Sik; Choi, Jeong Woo; Cho, Sung Ho
- Issue Date
- Aug-2015
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- closed form; diversity combining; average signal-to-noise ratio (SNR); average bit error rate (BER); selection combining (SC); radio frequency identification (RFID); the average number of required combining process
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E98B, no.8, pp.1630 - 1639
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E98B
- Number
- 8
- Start Page
- 1630
- End Page
- 1639
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156660
- DOI
- 10.1587/transcom.E98.B.1630
- ISSN
- 0916-8516
- Abstract
- In this paper, a threshold-based I-Q diversity combining scheme for ultra-high frequency (UHF) radio frequency identification (RFID) readers with a quadrature receiver is proposed in the aspect of improving the tag detection performance. In addition, the performance of the proposed scheme is evaluated as the closed-form expressions. In particular, its statistical characteristics are detailed and its performance is compared to that of conventional schemes over independent and identically distributed Rician fading conditions in terms of average signal-to-noise ratio (SNR), bit error rate (BER), and the average number of required combining process. Numerical results indicate that the proposed scheme enables processing power control through threshold control while meeting the required quality of service compared to conventional schemes.
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