A Design of Sensor Network for Remote Communication Based on GPON
-
Yubao Wang,
,
Chong Ma,
Abstract
A new scheme is proposed to realize the remote communication and monitor the sensor network, which is based on GPON. It is suited to carry data collected from optical sensor networks and to monitor environment on a public network. It is a cost-effective system architecture, which not only avoids re-laying of additional sensor fiber channel for sensor data communication, but also increases the flexibility of sensor network. In order to facilitate sensor monitoring center to receive and analyze sensor data, a novel frame format of sensor signal is designed to carry the low-rate sensor data. Here, TDMA techniques have been employed to upload data of various sensor networks to one port of ONU, which makes full use of time domain resources. The delay effect, identification method of the sensor data, and various interference factors which influence the sensor data to be correctly received are analyzed. The uplink simulation indicates that the accurate judgement can be obtained in the condition of time synchronization. The integration of the sensor network and communication network is feasible in reality. However, the time synchronization error, the laser response time delay and the received signal power difference will degrade the system performance to some extent.
©[2012] by Walter de Gruyter Berlin Boston
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Artikel in diesem Heft
- Masthead
- Throughput of Coded Optical CDMA Systems with AND Detectors
- Thin-Layer Optical Filter for Specific Areas of Visible Spectrum Based on 1D Photonic Crystal Structure
- Design and Simulation of Photonic Crystal Based Optical Filter of Specified Flat-top Pass Bandwidth
- Eigenmodes of Simplified Square-latticed Photonic Crystal Waveguides
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- RZ-DPSK Modulation Signal Generation using Only One Mach-Zehnder Modulator for 48 × 40 Gbit/s Ultra Long Haul DWDM Transmission
- A Design of Sensor Network for Remote Communication Based on GPON
- Wavelength Rotation Graph Algorithm Based on Physical Impairment Constraints in Optical Networks
- A Novel Architecture Scheme for OFDM Passive Optical Network with Source-free ONUs
- Feed-Forward Optical Carrier Recovery for QAM Coherent Optical Receivers
- Triplexer Monitor Design for Failure Detection in FTTH System
- A Novel Scheme of Generating Optical Packets in OLS System
- Phase Noise Influence in Coherent Optical OFDM Systems with RF Pilot Tone: Digital IFFT Multiplexing and FFT Demodulation
- Investigation of Pre-, Post- and Symmetric-Dispersion Compensation Techniques (DCF) using Different Modulation Formats over High-Speed Optical Link
