Performance of Pilot-Aided 3D- OFDM Channel Estimation using Different Antenna Configurations

Wireless communication in present era contains large-scale MIMO network architecture that need to deliver an optimize-QoS to multi-user (MU). The optimize data rate transmission in massive MU-MIMO wireless systems is one of the most difficult task due to the extremely high implementation complexity. The practical wireless system channels generally exhibits the PAPR and frequency selective fading, it is also necessary to have a precoding solution in PAPR for the selected desirable channels. A solution for the designed problem of a noble error-correcting code for OFDM process with a low PAPR, in the case of impulse noise should be considered. In this paper, Adaptive-Data-detection (ADD) algorithm is proposed to obtain lower-complexity data-detection that corresponds to high throughput design and impulse noise removal for large MUI-MIMO wireless systems by the OFDM modulation technique. That contains some steps such as; initialization, pre-processing and equalization steps in order to get no performance loss and to minimalize the recurrent amount at each iterations during operation. In order to use simplify model, here we assume suitably perfect synchronization, large cyclic prefix and perfect-CSI (channel-state-information) which has been developed through the pilot depended training. Simulation results analysis show the proposed method substantial improvement over the existing algorithm in terms of both ‘Error-rate’ minimization and PAPR reduction.

Section: Literature Surveymentioning

confidence: 99%

PAPR Reduction at Large Multi-User-MIMO-OFDM using Adaptive Data Detection Algorithm

.¹,

Ravikumar²

2018

“…Animated model can be sketched with the 2D model first before proceeded to 3D modeling [12]. Many 3D modeling has recently been designed to realize the knowledge and understanding like in video based action recognition, Android-Base 3D Visualization [13], 3D Linear techniques [14], 3D-OFDM channel estimation [15], generated 3D cable models [16], 3D Fibre modeling signals [17], 3D printing for a fiber brag grating [18] and many more that shows theimportant of 3D modeling in new technologies. This research presents a 3D modeling for multimode and single fiber using solid works applications.…”

Section: Introductionmentioning

confidence: 99%

3D modeling of multimode and single mode fiber

Kassim

Zaid

Idris

et al. 2019

This paper presents a design of 3D modeling of Multimode and Single Mode Fiber using SolidWorks. Fiber technology is essential that presents optical fiber is the fastest optical cable laid by Internet Service Providers in network communication. The current design of both fibers has less detail animation on technical specifications of light propagations and cladding. Thus, characterization difficulties occur between this two fiber optics cables. It also has less promotion in media publications such as 3D model design as guidance to users. This paper presents details on 3D modeling of multimode mode and single mode fiber specifications held in the industry market. A 3D design with SolidWorks and comparison of both fiber characteristics are presented. Based on the 3D designed model, users are analyzed on their perspective and searching information which benefits telecommunication’s company. Technical calculations like core-cladding diameter ratio in microns are animated. The propagation of light in 3D single mode and multimode fiber is simulated using SolidWorks animator that presents it real fiber conditions. Result presents 10 most country searching used of both fiber cables and the difference in users search for both cables. A number of user’s search presents 3% more of multimode than single mode fiber search cases. This research is significant in presenting an animator of single and multimode fiber to users of network infrastructure development especially network developers and Telecommunications Company which can present it lively with animator transitions.

Electrical Interference Problemson Commercial Fishing Vessels – A Review

Sinha

Sharan²

2018

Canadian Coast Guard (CCG) provides Marine Communications centre (MCC) with financial assistance surveyed for Electromagnetic Compatibility and Electromagnetic Interference (EMC/EMI) correlated troubles on industrial based fishing vessels less than twenty metres. The electrical condition should be provided for the vessels and it is the goal of the survey. By performing "electrical noise" measurement method the necessary data was obtained. Several autopilot systems are susceptible to High Frequency Single Side Band (HF SSB) transmitters due to the absence of electrical noise suppression scheme. The main objective of the survey is to analyse the better electrical noise suppression method for fishing vessels.