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- Title
Simple non-coherent detection scheme for IEEE 802.15.4 BPSK receivers.
- Authors
Gaoyuan Zhang; Dan Wang; Liang Song; Honghai Wu; Ping Xie; Baofeng Ji; Hong Wen
- Abstract
A novel, non-coherent bit-level detection scheme is proposed to compensate for the frequency offset efficiently in IEEE 802.15.4 binary phase shift keying (BPSK) receivers. In the proposed scheme, the frequency-offset estimation process only requires comparison, division, and addition operations. The proposed scheme first creates a suitable estimation-region division, thus the mathematical approximation tan-1 (x) ≈ x is efficiently utilised to simplify the conventional optimal estimation. The frequency offset and signal-to-noise ratio conditions do not need a priori knowledge. Simulations demonstrate that the proposed scheme is as reliable as the conventional optimal algorithm, but with a significant reduction of complexity.
- Subjects
ZIGBEE; WIRELESS personal area networks; WIRELESS LAN standards; WIRELESS communications equipment; FREQUENCY modulation detectors
- Publication
Electronics Letters (Wiley-Blackwell), 2017, Vol 53, Issue 9, p628
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2017.0196