Improving Bit Error Rate of OCDMA Systems Using AND Subtraction Technique

Author

Aljunid, S.A. ; Zarihan, S. ; Anuar, M.S. ; Junita, M.N. ; Norsuhaida, A. ; Samad, M.D.A. ; Abdullah, M.K.

Author_Institution

Sch. of Comput. & Commun. Eng., Northern Malaysia Univ. Coll. of Eng., Perlis

fYear

2006

fDate

12-14 Sept. 2006

Firstpage

334

Lastpage

337

Abstract

A new detection scheme, namely AND subtraction technique is proposed and presented in this paper. The theory is being elaborated and experimental results have been done by comparing double-weight (DW) code against the existing code, Hadamard. In this paper we have proved that AND subtraction technique gives better bit error rates (BER) performance than complementary subtraction technique against the received power level. The overall system cost and complexity can be reduced by using less number of filters in this technique. At the same time, the performance of the OCDMA system is improved significantly because with less number of filters in the decoder, the total power loss can be reduced and this can be clearly seen in the result

Keywords

Hadamard codes; code division multiple access; error statistics; signal detection; AND subtraction technique; Hadamard code; OCDMA systems; bit error rate; decoder; detection scheme; double-weight code; filters; Bit error rate; Error correction; Error correction codes; Filters; Multiaccess communication; Multiple access interference; Optical receivers; Optical transmitters; Phase detection; Subtraction techniques; AND subtraction technique; DW code; Hadamard code; OCDMA system;

fLanguage

English

Publisher

ieee

Conference_Titel

RF and Microwave Conference, 2006. RFM 2006. International

Conference_Location

Putra Jaya

Print_ISBN

0-7803-9745-2

Electronic_ISBN

0-7803-9745-2

Type

conf

DOI

10.1109/RFM.2006.331098

Filename

4133613