Performance of current digital pulse modulation schemes for optical wireless communications

2006 ◽  
Author(s):  
Hongxing Wang ◽  
Xiaoming Sun ◽  
Xiaoyan Sun ◽  
Tieying Zhang ◽  
Yinbing Zhu
Keyword(s):  
Wireless Communications ◽  
Optical Wireless ◽  
Pulse Modulation ◽  
Optical Wireless Communications ◽  
Digital Pulse ◽  
Modulation Schemes

Performance Analysis of QAM with MEMS Based SCIR for Indoor Optical Wireless Communication

2014 ◽  
Vol 592-594 ◽  
pp. 2189-2192 ◽  
Author(s):  
M.P. Prabakaran ◽  
A. Sivasubramanian ◽  
K. Chitra
Keyword(s):  
Wireless Communications ◽  
Wireless Communication ◽  
Additive White Gaussian Noise ◽  
Systematic Evaluation ◽  
Modern World ◽  
Optical Wireless Communication ◽  
Optical Wireless ◽  
Optical Wireless Communications ◽  
Modulation Schemes ◽  
Indoor Optical Wireless Communication

This paper presents the systematic evaluation of performance of indoor optical wireless communication using different modulation schemes and micro electro mechanical systems - single channel imaging receiver (MEMS-SCIR). For the future modern world, indoor optical wireless communications (OWC) play a vital role. The main objective is to compare the performance of various modulation schemes in terms of their bit error probability. On -off keying (OOK) and pulse position modulation (PPM) are widely used in optical wireless communication for its simplicity. Here different digital modulation schemes are approached; bit error rate (BER) is calculated over additive white Gaussian noise channel (AWGN). M-quadrature amplitude modulation (MQAM) gives a better BER performance compared to the M- phase shift keying (MPSK). Thus, MQAM based MEMS-SCIR provides better performance in indoor optical wireless communications.

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