Title :
Adaptive level control to improve QoS in OCDMA local area networks
Author :
Hadi, M. ; Pakravan, Mohammad Reza
Author_Institution :
Electr. Eng. Dept., Sharif Univ. of Technol., Tehran, Iran
Abstract :
In this paper, we propose a new method for creating more distinguishable QoS levels in OCDMA networks. The key idea behind the proposed scheme is to adaptively control the transmit power level in each chip based on OCDMA channel state. The structure of the transmitter and receiver are proposed. We provide performance analysis of the recommended scheme and show that it can reduce the system BER and provide better QoS differentiation in a multiclass network. We provide simulation results and demonstrate that they have a good match with the results obtained from mathematical analysis.
Keywords :
code division multiple access; code division multiplexing; error statistics; mathematical analysis; optical fibre LAN; optical receivers; optical transmitters; quality of service; OCDMA channel state; OCDMA local area networks; QoS differentiation; QoS levels; adaptive level control; mathematical analysis; multiclass network; performance analysis; receiver; recommended scheme; system BER; transmit power level; transmitter; Bit error rate; Optical fiber networks; Optical fibers; Optical receivers; Quality of service; Channel State; Multi-leveling Technique; Optical Code-division Multiple-access (OCDMA); Quality of Service (QoS);
Conference_Titel :
Electrical Engineering (ICEE), 2013 21st Iranian Conference on
Conference_Location :
Mashhad
DOI :
10.1109/IranianCEE.2013.6599725
