Skip to main content

5G

UNDERWATER EFFECTIVE DATA TRANSMISSION USING VISIBLE LIGHT COMMUNICATION WITH 5G DATA RATE


ABSTRACT
            Visible Light Communication (VLC) is emerging as a next generation data transmission (5G) method for short-range communication applications and the effect of data modulation on the emitted light quality of phosphor converted white LEDs. A software architecture is developed to process and stream data. The results showed that provided the expected average current driving the LEDs remains unchanged then the emitted light quality will stay the same. DC-balanced modulating signal, with a non-varying average value, any fluctuations in the instantaneous driving current due to data modulation do not have any significant impact on the measured light quality metrics.

Visible light communication applications therefore, a DC-balanced signalling becomes a prerequisite if the expected quality of light emitted by the LEDs is to be preserved. The experimental prototype consists includes transmitter and receiver unit from which the data transmission can be made by means of a visible light which is a wireless data transmission and the data can be monitored by means of pc. The software architecture is bridged with a hardware section, which facilitates free-space VLC channel, over a Universal Serial Bus (USB) to serial interface. A particularly attractive feature of our system is that it uses commonly available, low-cost components which enables its implementation in everyday applications. The prototype includes transmitter and receiver unit. The transmitter unit consists of voice playback with a pc input from which the voice is transmitted via lifi transmitter and the voice gets received in a lifi receiver and amplified in voice amplifier.






BLOCK DIAGRAM









PIC MICRO
CONTROLLER


PC
POWER SUPPLY
LCD
LI-FI
TRANSMITTER MODULE


 
 


















RECEIVER



POWER SUPPLY







PIC MICRO
CONTROLLER

LI-FI RECEIVER
MODULE
DETECTOR
AMPLIFIER

PC
 




































EXISTING SYSTEM

·        VLC can be deemed appropriate without quantifying their impact on the light emitted by the transmitting leds.
·        Power consumption of existing system is high compared to proposed system.
·        In existing system, inference and noise of the signal is high.
·        Power consumption of existing system is high compared to proposed system.
·        Installation cost and environmental hazards are high compared to proposed system.


PROPOSED SYSTEM
·        Predictable and matched luminous intensity and chromaticity (i.e. Light quality) from each led.
·        Power consumption is very low when compared to the existing system.
·        The light quality of leds used for lifi, the modulating signal is dc balanced based on the user expectation.
·        The proposed system can be used in situations where a household has many appliances with audio output.
·        Good perceptible audible quality PCM streaming
·        Installation cost and environmental hazards are less in proposed system.



HARDWARE REQUIRMENT

•      MICROCONTROLLER (PIC16F877A)
•      VLC MODULE
•      PIR SENSESOR
•      ULTRASONIC SENSESOR
•      HEART BEAT SENSESOR
•      LCD
•      BATTERY
•      PERSONAL COMPUTER
•      VOICE PLAYBACK
•      SPEAKER


SOFTWARE REQUIRMENT

•      MP LAB IDE
•      EMBEDDED C


Comments

Post a Comment

Popular posts from this blog

IDENTITY-BASED PROXY-ORIENTED DATA UPLOADING AND REMOTE DATA INTEGRITY CHECKING IN PUBLIC CLOUD report

IDENTITY-BASED PROXY-ORIENTED DATA UPLOADING AND REMOTE DATA INTEGRITY CHECKING IN PUBLIC CLOUD ABSTRACT More and more clients would like to store their data to PCS (public cloud servers) along with the rapid development of cloud computing. New security problems have to be solved in order to help more clients process their data in public cloud. When the client is restricted to access PCS, he will delegate its proxy to process his data and upload them. On the other hand, remote data integrity checking is also an important security problem in public cloud storage. It makes the clients check whether their outsourced data is kept intact without downloading the whole data. From the security problems, we propose a novel proxy-oriented data uploading and remote data integrity checking model in identity-based public key cryptography: IDPUIC (identity-based proxy-oriented data uploading and remote data integrity checking in public cloud). We give the formal definition, system model and se
1 comment
Read more

A LOCALITY SENSITIVE LOW-RANK MODEL FOR IMAGE TAG COMPLETION

A LOCALITY SENSITIVE LOW-RANK MODEL FOR IMAGE TAG COMPLETION ABSTRACT Many visual applications have benefited from the outburst of web images, yet the imprecise and incomplete tags arbitrarily provided by users, as the thorn of the rose, may hamper the performance of retrieval or indexing systems relying on such data. In this paper, we propose a novel locality sensitive low-rank model for image tag completion, which approximates the global nonlinear model with a collection of local linear models. To effectively infuse the idea of locality sensitivity, a simple and effective pre-processing module is designed to learn suitable representation for data partition, and a global consensus regularizer is introduced to mitigate the risk of overfitting. Meanwhile, low-rank matrix factorization is employed as local models, where the local geometry structures are preserved for the low-dimensional representation of both tags and samples. Extensive empirical evaluations conducted on three
Post a Comment
Read more

LIFI

LIFI Prof . Harald Haas is a technology of high brightness light emitting diodes(LED).It is bidirectional ,high speed and fully networked wireless communication.    LiFi is designed to use LED light bulbs similar to those currently in use in many energy-conscious homes and offices. However, LiFi bulbs are outfitted with a   chip   that modulates the light imperceptibly for optical data transmission. LiFi data is transmitted by the LED bulbs and received by photoreceptors. LiFi's early developmental models were capable of 150 megabits-per-second ( Mbps ). Some commercial kits enabling that speed have been released. In the lab, with stronger LEDs and different technology, researchers have enabled 10   gigabits -per-second (Gbps), which is faster than   802.11ad .  Benefits of LiFi: ·         Higher speeds than  Wi-Fi . ·         10000 times the frequency  spectrum  of radio. ·         More secure because data cannot be intercepted without a clear line of si
Post a Comment
Read more