What is OFDM simulation? Orthogonal Frequency Division Multiplexing i.e, OFDM is a technique used by highly demanding applications all over the world to get high data transmission rates. Its encoding standards over multiple channels make it suitable for the most widely used applications.

USES OF OFDM simulation project

Major uses of OFDM Simulator are mentioned below to get in-depth knowledge about OFDM Simulator-

• Easily blended with other wireless technologies like 802.11a standard[operational efficiency of 5GHz] etc
• Due to the usage of the 52 subcarrier frequency multiplexing scheme, it offers high spectral efficiency compared to other schemes and is used in most recent electronic gadgets.
• Used as another recommended option for FHSS and DSSS schemes.
• One of the most important usages of OFDM is lying in the fact that it can be used in power line communications.

Major modules of OFDM Simulation project and its purpose-

We have listed below a few major modules for reference purposes but scholars can opt for any module and get complete support to implement OFDFM Simulation Project & understand the logic behind the module-

• Flash OFDM:  This is an enhanced version of the OFDM technique which employs the technique of rapid hoping to communicate over a broad spectrum.
• OFDMA:  As the name suggests- Orthogonal frequency division multiple[OFDM]-Access, it offers a given application to have multiple access at the given point of time. Ex. Cellular communication.
• COFDM: Coded OFDM allows encoding technique to provide error detection mechanism for each transferred signal. 

KEY PLUGINS OF OFDM AND ITS PURPOSES-

            Scholars must be aware of each plug-in as it plays a significant role in the implementation and design of an application.  We have listed below a few major plug-ins used in OFDM Simulation project but we are ready to offer support for any kind of plug-ins. We offer customized support as per the scholar’s desire. 

• Toolbox for the purpose of communication
  • This has a lot of features which include the generation of the waveform, complete design analysis, and combination eye structure design.
  • Also, it is used to detect signal strength and provides an overall picture of channel behavior.  It employs the EVM- Error vector magnitude mechanism for performance evaluation.
• PHY Components for OFDM
  • It offers support for overall physical layer characteristics such as source and error coding mechanism, generation of wavelets, signal filtration techniques, and Synchronization & equalization of generated signals.

SIGNIFICANT CLASSES OF OFDM AND ITS PURPOSES-

Before taking any research artifact, one must have an understanding of the topic and its significant highlights. With this goal, we have highlighted a few major classes of OFDM Simulation project for scholars to get a brief technical insight into the Simulator.

• OFDM_CHANEST-VCVC [Calculates coarse frequency and channel efficiency using OFDM symbols]
• OFDM_CARRIED-ALLOCATOR-CVC[Using complex values, it builds OFDM symbols ]
• OFDM_CYCLIC-PREFIXER[As the name suggest, offers pulse structuring by adding cyclic prefix]

TOOLS TO BE INTEGRATED WITH OFDM

We have listed a few tools below which can be integrated with OFDM Simulator to offer enhanced results. Scholars can prefer any tool and get our customized service as we have technically skilled experts for every tool implementation.

• Modelsim [Uses TCL Scripting language]
  • RTL simulation Tool[Uses MATLAB Simulation techniques ]

PROGRAMMING LANGUAGES USED IN OFDM SIMULATION-

We have listed below a few programming languages but scholars can choose any programming language to implement their research ideas under our guidance for ms thesis in ofdm wireless communication.

• Perl 5.26.1 version
• TCL scripting language
• C++ Programs

SUPPORTED OS AND HARDWARE REQUIREMENTS

We have provided a brief requirement to implement any project using OFDM Simulator.  In case scholars have different hardware requirements, we will provide complete support with the help of our technical experts.

• Supports Windows 10 Operating system above the version 1803
  • RAM-4GB, HDD Space of 3.4GB[In case integrating MATLAB Simulation techniques]
  • AMD x86-64bit processor/Intel processor
  • Graphics card[No specification required]

SPECIFICATION

These are the major two versions used widely to implement OFDM simulation projects. The scholar can use different versions and can bring their requirement to us-

• R2020b (MATLAB version 9.9)
• R2021a (MATLAB version 9.10)
• Matlab Simulink

PROTOCOL IMPLEMENTATION

We have given just a sample protocol below, but we offer support of all types of protocols-

• PRACTICE TRANSMISSION PROTOCOL
  • Efficient protocol used in OFDM system to calculate the channel capacity to select the optimum frequency for efficient data transmission.

MAJOR SUBJECT AREAS IN OFDM

There are plenty of subject areas that can be implemented in OFDM projects but we have listed only a few below for reference purposes-

• CHANNEL STATE INFORMATION STANDARD
  • This state’s about molding Rayleigh fading channel using Markov chain methodology in the Link layer.
• GROUPING TECHNIQUE IN OFDM
  • This provides a high-level understanding of how to channel spatial relationship is calculated and used. Nearby IRS elements form a group to allocate reflection coefficient which can be used commonly by all groups. It reduces overall channel overhead and provides efficient energy allocation.

PARAMETERS, METRICS, QOS, AND QOE FOR PERFORMANCE EVALUATION

To evaluate any project, parameters and metrics play a major role, we have listed a few such parameters and major factors for scholars to achieve the accurate result –

• PARAMETERS USED IN 4G COMMUNICATION
  • Bandwidth
  • Operational frequency
  • Inner channel coding
  • Guard Interval duration
  • Total symbol duration
  • Useful symbol duration
  • Subcarrier spacing
  • FFT Size and number of subcarriers.
• OFDM PARAMETERS FOR LTE NETWORKS
  • Frame duration for each channel
  • Total number of sub-carriers
  • Useful symbol time and FFT Size
  • Oversampling factor calculation
  • Nominal channel bandwidth rate
  • Overall sampling frequency
  • Short and extended cyclic prefix
• QOS AND QOE PARAMETERS
  • ACL- Adjacent channel leakage capacity
  • Packet delay rates and average throughput
  • Bit error rate calculation
• METRICS
  • Modulation Execution Time and fitness value
  • Spectral Efficiency and power density

MODULES UNDER EACH SUBJECT AREA

           Scholars must be aware of each module of OFDM and we offer complete support for scholars to understand and implement each module under OFDM Simulation.  For quick reference, we have just listed two major modules used-

• Cell blocking likelihood
  • It allows cells to lodge multiple services based on resource constraints.
• Cross-layer QoS Design
  • Like IEEE 802.16 standard, it facilitates flow control mechanism,  service categorization, and subcarrier distribution using opportunistic scheduling protocol.

OFDM GENRATION PROCEDURE-

We have explained below the overall OFDM Simulation process for the scholar to understand the working prototype

• Each modulation type nearly generates 10,000 frames in which the majority i.e. 80 percent is used for training purposes and the remaining 20 percent is used for testing and validation.
• Every single frame is consist of 1024 samples [8 sample equals a symbol] and provides a 200 kHz sample rate.
• The training phase makes use of validation and training frames.
• End result accuracy is based on the testing frames used.

MAJOR OFDM BASED APPLICATIONS 

 A few major applications which exploit OFDM are listed below. Many other days today applications use OFDM Simulation and we provide support for all types of applications and research ideas

• Audio broadcasting and digital television
• Wireless IEEE standard communications
• Wireless Communication
• 4G mobile and LTE networks

ALGORITHMS AND ROUTING PROTOCOLS USED

Listed below are a few major algorithms and protocols used in recent OFDM based applications but we offer support for all types of algorithms to offer efficient and desired results-

• Base-band algorithms

   This algorithm includes the following major methods

• OFDM Modulation /Demodulation
• Channel Equalization
• Channel Estimation calculation
• Convolution Encoding /Decoding technique
• Data synchronization
• Location-based routing protocol

• Based on the arrival time of each transceiver node, these protocols opt for the best optimum path.

MAJOR RESEARCH AREAS

We have listed the most recent research areas here for scholars to get a quick grasp of the subject. The scholar can bring their own research area/ topic and get our complete guidance-

• 5G
• Wi-Fi and Li-FI communications
• Wireless LAN technologies
• Power line communications
• LTE Networks

MAJOR PROCESS INVOLVED

Let’s understand the major process involved in OFDM Simulation project

• Signal Modulation and demodulation[Use of Inverse fast Fourier transform method for demodulation]
• Digital data encoding and Selective frequency fading techniques
• Forward error correction technique for channel encoding

DATA TRANSIMMISON STEPS IN OFDM  

Here we have explained the overall steps involved in data transmission using OFDM Simulation project

• To simulate the equalizer as per the channel, each data is transmitted using pilot sequencing.
• Next is the determination of the coefficient of equalizers to be used.
• Overall transfer function of each channel  is determined using the phantom illustration of  pilot OFDM symbols
• Equalization will be done only for the discovered signals but data will be processed in the same sequential manner.

MAJOR PROJECTS IMPLEMENTED USING OFDM SIMULATION AND THEIR RESULTS-.

We have listed below a few major projects implemented using OFDM Simulation project with their experimental results. We are ready to support scholars to offer a wide range of project ideas and also offer support in case scholars have their own research ideas. 

• PAPR Reduction using OFDM simulation project
  • Here is the experimental result between PAPR (original OFDM) and the Combination of the time and PAPR Minimum Range.
• Straightforward Approach using OFDM Simulator exploiting the concept of Adjacent Passband Signal Modulation
  • Explains the Concept of frequency conversion using a modulated complex signal with composite sine waveform.
• User Specified Pilot Indices using  OFDM concept
  • Explains how interference levels between antennas can be reduced to null.
• OFDM for M-PSK modulated signals using  Simulink
  • Explains how M-PSK Modulation is implemented to reduce Gaussian noise

LET’S WORK TOGETHER,

TO COMMIT AND UNDERSTAND YOUR REQUIREMENT…………………