Performance simulation of baseband OOK modulation for wireless infrared LANs at 100 Mb/s

The authors present simulation results of a wireless indoor infrared communication link operating at 100 Mb/s using non-return-to-zero baseband on-off keying. They show that intersymbol interference induced by multipath dispersion significantly impairs detection efficiency. They demonstrate that a d...

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Bibliographic Details
Main Authors: Audeh, M.D., Kahn, J.M.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive equalizers
Baseband
Counting circuits
Decision feedback equalizers
Degradation
Intersymbol interference
Optical fiber communication
Phase locked loops
Sampling methods
Wireless communication
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Summary:The authors present simulation results of a wireless indoor infrared communication link operating at 100 Mb/s using non-return-to-zero baseband on-off keying. They show that intersymbol interference induced by multipath dispersion significantly impairs detection efficiency. They demonstrate that a decision feedback equalizer adapted according to the least-mean square algorithm can recover most of this performance degradation. They evaluate the performance of a timing-recovery phase-locked loop operating independent of the adaptive equalizer, showing that it can accurately determine the sampling phase with negligible performance degradation. They also discuss strategies to counter low-frequency noise induced by fluorescent lighting.< >
DOI:10.1109/ICWC.1992.200763