Title :
A construction method of optical orthogonal code based on difference set
Author :
Li, Yan ; Gao, Junping ; Li, Qi ; Liu, Jianfei
Author_Institution :
Sch. of Inf. Eng., Hebei Univ. of Technol., Tianjin, China
Abstract :
Optical orthogonal codes (OOCs) have application in OCDMA system because of their good correlation properties. In this paper, two correlation-detection methods, difference method and distance method, were studied. Calculate amount of these correlation-detection methods was analyzed. Constraint condition of optimal optical orthogonal codes was discussed. Besides, a construction method of optimal (n,w,1) optical orthogonal code was presented based on difference set. Optimal (n,w,1) optical orthogonal code which has 2 code words each set was constructed by this construction method. Codewords relativity simulation proved the validity of the method. This construction method has practicability because of codewords´ good correlation properties and large capacity.
Keywords :
code division multiple access; difference equations; orthogonal codes; OCDMA system; codewords relativity simulation; correlation-detection methods; difference set; optimal optical orthogonal codes; Autocorrelation; Code division multiplexing; Frequency; Land mobile radio; Laser radar; Mobile communication; Multiaccess communication; Optical feedback; Optical fiber networks; Spread spectrum radar; OCDMA system; Optical Orthogonal Code; construction method; difference set;
Conference_Titel :
Network Infrastructure and Digital Content, 2009. IC-NIDC 2009. IEEE International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-4898-2
Electronic_ISBN :
978-1-4244-4900-6
DOI :
10.1109/ICNIDC.2009.5360801
