Optical orthogonal codes with nonideal cross correlation

CS Weng, J Wu - Journal of Lightwave Technology, 2001 - opg.optica.org
For optical code division multiple access (OCDMA) networks, many optical orthogonal codes
(OOCs) with ideal auto-and cross-correlation properties had been studied widely. In this …

On the cutoff rates of a multiclass OFFH-CDMA system

E Inaty, HMH Shalaby, P Fortier - IEEE transactions on …, 2005 - ieeexplore.ieee.org
We consider an optical code-division multiple-access (OCDMA) network that supports
multiple traffic classes. Each class has different processing gain and performance …

Optical orthogonal codes with large crosscorrelation and their performance bound for asynchronous optical CDMA systems

CS Weng, J Wu - Journal of lightwave technology, 2003 - ieeexplore.ieee.org
Optical orthogonal codes (OOCs) are commonly used as signature codes for optical code-
division multiple-access (OCDMA) communication systems. Many OOCs have been …

Optical code-division multiplexing systems using Manchester coded Walsh codes

LL Jau, YH Lee - IEE Proceedings-Optoelectronics, 2004 - IET
The authors propose an optical code-division multiplexing (OCDM) system using a
Manchester coded Walsh code (MCWC) as the spreading code. The MCWC, which is a …

Frame time-hopping patterns in multirate optical CDMA networks using conventional and multicode schemes

AR Forouzan, M Nasiri-Kenari… - IEEE transactions on …, 2005 - ieeexplore.ieee.org
A class of generalized optical orthogonal codes (OOCs), namely, frame time-hopping (FTH)
patterns with an extremely large cardinality, are studied for implementing multirate and …

Effective design of optical fiber code-division multiple access networks using the modified prime codes and optical processing

JG Zhang, WC Kwong… - WCC 2000-ICCT 2000 …, 2000 - ieeexplore.ieee.org
In optical fiber code-division multiple access (CDMA) networks using the well-known prime
code, the code weight w is always fixed to the maximum number of users N (ie, the code …

Optical S-ALOHA/CDMA systems for multirate applications: architecture, performance evaluation, and system stability

R Raad, E Inaty, P Fortier… - Journal of lightwave …, 2006 - opg.optica.org
In this paper, a new multirate optical network based on a hybrid slotted-ALOHA (S-
ALOHA)/overlapped code division multiple access (O-CDMA) system is proposed as an …

Multiple-length variable-weight optical orthogonal codes for supporting multirate multimedia services in optical CDMA networks

T TSUJIOKA - IEICE transactions on communications, 2007 - search.ieice.org
Future optical code division multiple access (CDMA) networks should be designed for
multirate and fully integrated multimedia services. In the conventional schemes, multilength …

Optimal resource allocation scheme in a multirate overlapped optical CDMA system

R Raad, E Inaty, P Fortier… - Journal of lightwave …, 2007 - opg.optica.org
This paper addresses the problem of resource allocation in a multiservice optical network
based on an overlapped code-division-multiple-access system. A joint transmission power …

Multirate asynchronous optical CDMA system with product code

MY Liu, HW Tsao - IEE Proceedings-Communications, 2002 - IET
The authors propose a new architecture for a multirate asynchronous optical CDMA (code
division multiple access) system. An optical orthogonal code (OOC) is employed as the …