Self-orienting receiver using rate-adaptive transmission based on OOK formats with memory for optical wireless communications

M. Castillo-Vázquez, Antonio García-Zambrana, Antonio Puerta-Notario
January 2004
Cite URL

Abstract

In this paper, the simultaneous use of a simple rate-adaptive transmission scheme, based on on-off keying (OOK) formats with memory, and a new self-orienting receiver, alternative to conventional angle diversity techniques, is proposed in order to mitigate the effect of large variations of the signal-to-noise ratio in indoor wireless infrared communications. In relation to the rate-adaptive transmission technique, variable silence periods are used for modifying the statistics of the amplitude sequence regarding the statistics of the message sequence, allowing the increase of the peak-to-average optical power ratio (PAOPR). With regard to the new diversity technique proposed, this is based on giving self-orienting capability to the receiver optical front-end, thus optimizing link quality parameters. Here, it is applied to links operating at an initial bit rate of 200 Mb/s, providing a signaling rate with a wide dynamic range and a relevant improvement in performance with a gradual complexity in implementation, compared with the scheme proposed and specified in the Advanced Infrared (AIr) standard by the Infrared Data Association (IrDA), which is based on repetition coding and pulse-position modulation. © 2004 IEEE.

Type
Conference paper
Publication
GLOBECOM - IEEE Global Telecommunications Conference
Adaptive Systems Communication Channels (Information Theory) Data Reduction Local Area Networks Optical Links Optical Systems Pulse Position Modulation Signal Receivers Signal to Noise Ratio Wireless Telecommunication Systems Angle Diversity Receivers (ADR) On-Off Keying (OOK) Path Loss (PL) Self-Orienting Receivers (SOR) Optical Communication Equipment
Antonio García-Zambrana
Antonio García-Zambrana
Professor of Telecommunications Engineering

Professor at the University of Málaga working on wireless optical communications, free-space optical links, underwater optical wireless communications, visible light communications, and FPGA/RFSoC-based real-time prototyping.

Antonio Puerta-Notario
Antonio Puerta-Notario
Emeritus Professor / Senior Researcher

Emeritus Professor at the University of Málaga with a long-standing research activity in signal theory, optical wireless communications, visible light communications, free-space optical links and communication system modelling.