Multipath fading effects on carrier recovery of BPSK signal in digital radio | Zendy

G.-S. Liu | Zendy; C.-H. Wei | Zendy

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Multipath fading effects on carrier recovery of BPSK signal in digital radio

Author(s) -

G.-S. Liu,

C.-H. Wei

Publication year - 1993

Publication title -

iee proceedings i communications speech and vision

Language(s) - English

Resource type - Journals

eISSN - 2053-9053

pISSN - 0956-3776

DOI - 10.1049/ip-i-2.1993.0056

Subject(s) - multipath propagation , fading , delay spread , phase shift keying , intersymbol interference , adjacent channel interference , electronic engineering , co channel interference , rake receiver , computer science , jitter , digital radio , interference (communication) , channel (broadcasting) , telecommunications , bit error rate , engineering

Tracking performance of the I-Q carrier recovery loop for BPSK signal in band-limited channel with multipath interference is analysed. The multipath fading channel is characterised by the Rummler's simplified three-ray model (1979) for line-of-sight digital radio system. A closed-form expression for the phase-error variance related to the multipath interference, intersymbol interference and channel noise is derived. Excess phase offset induced from the multipath interference is also examined. The closed-form expression of the jitter variance can be evaluated numerically to assess the degradation of synchroniser performance. Asymptotic limits of the performance are also discussed.<>

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