optical time-division multiple-access
Effect of variations in environmental temperature on 2D-WH/TS OCDMA code performance
... in optical fiber commu- nication systems; these include chromatic dispersion, timing jitter and fiber loss, just to name a ...various optical systems including wavelength division multiplexing (WDM), ...
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Dense Wavelength Division Multiplexing (DWDM) Based Optical Code Division Multiple Access (OCDMA) for Indoor, Short, and Outdoor Applications
... an optical code division multiple access (OCDMA) system for indoor, short and outdoor applications and the transmission efficiency to be evaluated in order to determine the impact of multi ...
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Analysis of low rate convolutional codes on optical Interleave Division Multiple Access scheme
... the optical fiber has been frequently employed for achieving high spectral efficiency with O-CDMA based ...Frequency-Division Multiple- Access (FDMA) and Time-Division ...
7
Performance Analysis of Two Dimensional Wavelength/ Time Encoding System for Optical CDMA Networks
... major multiple access techniques. Both TDMA and WDMA system require time or frequency management system however the CDMA system does not require any centralized control and thereby reduce the ...
5
Investigate the Characteristics of Ultrashort Pulses in OCDMA System
... on Optical Code Division Multiple Access (OCDMA) ...with time period in the order of picoseconds (10 -12 second) or ...carrier, Optical Code Division Multiple ...
10
Application of semiconductor optical amplifier (SOA) in managing chirp of optical code division multiple access (OCDMA) code carriers in temperature affected fibre link
... in optical fibre. This is certainly also true for incoherent optical code division multiple access (OCDMA) systems with multi-wavelength picosecond code ...distorted, ...
11
Performance analysis of Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) in free space optical networks with a multi-wavelength laser source
... produce multiple wavelengths from a single coherent wavelength light source [11, ...that optical beat interference (OBI) is the dominant noise in SAC-OCDMA with multi- wavelength laser ...first time, ...
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Performance Analysis of Multiple User Optical Code Division Multiple Access
... an optical code division multiple access for multiple user ...Media access control implementation has been ...to optical networks and three major optical systems ...
5
Hybrid pulse interval modulation code division multiple access for optical wireless communications
... well-known optical multiple-access schemes, which employ time, wavelength (infrared) and time-and-wavelength domains for message ...Wavelength-Division ...
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Optical Code Division Multiple Access Performance Signature Over Multimode Optical Fiber Transmission Systems
... Code division multiple access technique was originally investigated in radio frequency communication systems [1- ...reliable optical communication system requirements and optimize the huge ...
10
Intercept Behaviour Analysis of Industrial Wireless Sensor Networks in the Presence of Eavesdropping Attack
... Round-robin scheduling as a benchmark, where N sensors state turns in accessing a given channel and thus each sensor has an equal state turns in accessing a given channel and thus each sensor has an equal chance to ...
5
W-CDMA Simulation For Receiver Part And Ber Performance In Awgn, Rayleigh Channel And Rician
... LITERATURE REVIEW 2.1 Multiple access technique 2.1.1 Frequency Division Multiple Access 2.1.2 Time Division Multiple Access 2.1.3 Code Division Multiple Access 2.1.3.1 Direct Spectrum C[r] ...
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Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications
... Therefore MC-CDMA is formed by combining orthogonal frequency division multiplexing (OFDM) with CDMA became a significant research topic. Consequently MC-CDMA has the advantages of both CDMA and OFDM. The CDMA ...
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An investigation into advance time division multiple access based personal communication networks : this thesis is presented in partial fulfilment of the requirements for the degree of Master of Technology in Production Technology at Massey University
... This thesis examines and simulates a statistically multiplexed multiple access technique known as Advanced Time Division Multiple Access ATDMA.. The simulations were carried out in a mul[r] ...
10
Variable weight spectral amplitude coding for multiservice OCDMA networks
... Construction of VW-code, is based on mapping technique so that code weight of mapping matrices are different from each other. Services are grouped based on the quality they demand and a matrix with suitable code weight ...
21
Time Hopping Multicarrier Code Division Multiple Access: System Outline and Performance
... 7 shows the bit error probability of the TH/MC-CDMA The detection operation of the TH/MC-CDMA system can systems with respect to supporting various number of users, be understood by mean[r] ...
5
Two dimension MDW OCDMA code cross-correlation for reduction of phase induced intensity noise
... floor. Bit rate or data rate is a measure of a number of bits transmitted per second over a fiber channel. Bit rate reflects the information carrying capacity of a fiber communications link. High data rate will increase ...
5
Analysis of Protocols Suitable for Wireless Body Area Network
... present in the nodes will be reduced and the energy needs to be subtracted by the nodes from the initial value. 3) Transmissions of the packets are carried out using Carrier Sense Multiple Access with ...
5
Digital Stopwatch Water Crops With GSM
... Nowadays, a research related to a wireless technology for an automatic watering system has become a top research with the greenhouse effect plus a continuous increasing request in agriculture requires an emerge ...
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High-speed and Robust Integrated Silicon Nanophotonics for On-Chip Interconnects
... As multiprocessor/multi-core systems-on-chip (SoCs) become larger, on-chip wires emerge as the critical bottleneck in meeting reliability, performance and energy constraints. It is well known that electronic ...
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