Preprint Article Version 1 This version is not peer-reviewed

Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with pulse coding

Version 1 : Received: 5 October 2018 / Approved: 5 October 2018 / Online: 5 October 2018 (16:17:44 CEST)

A peer-reviewed article of this Preprint also exists.

Kim, G.; Park, Y. Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with Pulse Coding. Sensors 2018, 18, 4201. Kim, G.; Park, Y. Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with Pulse Coding. Sensors 2018, 18, 4201.

Journal reference: Sensors 2018, 18, 4201
DOI: 10.3390/s18124201

Abstract

In the coded pulse scanning light detection and ranging (LIDAR) system, the number of laser pulses used at a given measurement point changes depending on the modulation and the method of spreading used in optical code-division multiple access (OCDMA). The number of laser pulses determines the pulse width, output power, and duration of the pulse transmission of a measurement point. These parameters determine the maximum measurement distance of the laser and the number of measurement points that can be employed per second. In this paper, we evaluate the performance and characteristics of combinations of modulation and spreading technology that can be used for OCDMA, and study optimal combinations according to varying operating environments.

Subject Areas

LIDAR; time-of-flight; IM/DD OCDMA; free-space optical communication; modulation; spreading code

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