Wireless Antenna and Microwave Symposium (WAMS), IEEE
2024 IEEE Wireless Antenna and Microwave Symposium (WAMS)
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Proceedings
The proceedings of this conference will be available for purchase through Curran Associates.
59642- WAMS, 2024 (PRT)
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Phase center of antennas in design of satellite antenna payloads is an important parameter that could be used to manipulate the antenna radiation patterns. Two design examples are shown, one for reflector antennas and the other for phased arrays, where phase center plays a key role in shaping the antenna radiation patterns to meet the requirements. These include antenna designs with frequency-vari...Show More
Employing Efficient Decoding Algorithms to Reduce Bit Error Rates in 5G Applications and Beyond
Publication Year: 2024,Page(s):1 - 3
Cited by: Papers (1)
In 5G and 6G systems, Bit Error Rate (BER) is a critical performance metric for evaluating the dependability and data transmission quality of communication networks. In order to lower BER values, particularly in challenging channel conditions, 5G and 6G systems employ advanced algorithms. These systems commonly employ error-correcting codes like Turbo codes, Polar codes, or LDPC (Low-Density Parit...Show More
Slot Loaded Offset Feed SIW Cavity Backed Triangular Perturbed Antenna with Improved Bandwidth
Publication Year: 2024,Page(s):1 - 4
This article describes a new technique for enhancing the bandwidth of substrate-integrated waveguide (SIW) cavity-supported slot antennas with symmetrical triangular perturbed cavities. One way the cavity-backed antenna feeding method has been modified is by employing offset feeding of a microstrip line and a transition from the microstrip to the grounded coplanar waveguide. This helps to excite t...Show More
A Compact Dual-Band Modified Cylindrical-DRA Based MIMO Antenna for WLAN / X-Band Application
Publication Year: 2024,Page(s):1 - 5
Cited by: Papers (2)
A novel modified cylindrical dielectric resonator-based MIMO antenna is presented for WLAN and X-band applications. On the above Rogers substrate (RT / duroid 5880), alumina or ceramics-based two-element dielectric resonator antenna (DRA) are positioned in opposition. The microstrip line excites each element and resonates in a dual-band, one band at 5.05 - 5.86 GHz and the other wideband at 8.04 -...Show More
Implementation of Serial FPDP and 10G Ethernet in an FPGA Based Real Time Embedded Hardware
Publication Year: 2024,Page(s):1 - 5
Today's radar technology demands the use of huge aperture antenna arrays for detection and tracking of targets from a range of hundreds of kilometers. This results in a complex RF manifold where a large number of RF channels in parallel are provided as input to the radar receiver. Subsequently, these inputs are digitized and forwarded to a real time embedded hardware for further processing. Since ...Show More
A Three-Ray Path Loss Model with Polarization Effects for Indoor Single-Input Single-Output Millimeter-Wave Channel Modelling Applications
Publication Year: 2024,Page(s):1 - 5
An accurate and least complexity millimeter-wave three-ray pathloss model with polarization effects was developed for indoor SISO scenarios and implemented in MATLAB. The TE polarized pathloss had larger variations than the TM polarized one. Then, validation using ray tracing gave path losses in an indoor corridor with median differences of 3.016 dB LOS, 1.873 dB NLOS floor, and 2.286 dB NLOS roof...Show More
Side Lobe and Side Band Reduction of Time Modulated Circular Antenna Array Using Novel Particle Swarm Optimization Algorithm
Publication Year: 2024,Page(s):1 - 4
Cited by: Papers (1)
This paper presents an approach to design 16-elements time modulated asymmetric circular antenna array (TMASCAA) for optimum far-field radiation pattern synthesis. By minimizing the sidelobe levels (SLLs), the far-field radiation pattern is designed to minimize the interference of TMASCAA. For achieving the ultra-low SLLs, an optimal combination of switch-ON time sequence and progressive phase del...Show More
Antipodal Vivaldi Antenna Array for 5G mmWave Applications at 28 GHz
Publication Year: 2024,Page(s):1 - 4
Cited by: Papers (2)
In this paper antipodal Vivaldi antenna (AVA) array is proposed for fifth generation mmWave applications. The proposed AVA array consists of 1×4 antenna elements and with dimensions $55.3\times 26.6\times 0.79\text{mm}^{3}$. The antenna is designed using Rogers RT/duroid 5880 material having dielectric constant 2.2 and this material have low dielectric losses and is suitable for high frequencies. ...Show More
Compact Polarization-Insensitive FSS with Angularly Stability in Dual Stop-Band Range
Publication Year: 2024,Page(s):1 - 5
In this work, a compact, recurrence-specific frequency selective surface (FSS) with a super wide obstructing range is proposed which has relatively lower sensitivity to the incident polarization and proper angular stability. It comprises a perturbed square ring unit cell to obtain signal cancellation across a wide frequency range. The FSS of the recurrent type is composed of FR4 material that poss...Show More
In this paper, a dielectric rod fitenna is proposed in x-band. To get the filtering characteristics, a Substrate Integrated Waveguide (SIW) based band pass filter is used to feed the dielectric rod through a slot. The proposed structure is exhibiting a band width of 4% at 10 GHz. The peak gain is 9 dBi in the operating band for a $1\lambda 0$ long dielectric rod radiator. The gain of the proposed ...Show More
Performance Evaluation of Diversity Techniques in Wireless Communication Systems
K. Chandra Sekhar;G. Jaya Sandeep Sai;B. Pujitha;B. Appala Naidu;B. Sai Dheeraj;A. Uday Jagadeesh
Publication Year: 2024,Page(s):1 - 3
The performance, dependability, and general effectiveness of wireless communications, including in 5G networks, are greatly enhanced by Diversity Techniques. In line with the main goals of 5G technology, they assist in addressing issues with fading, interference, and noise as well as improving system capacity, dependability, and spectral efficiency. The performance of several diversity strategies ...Show More
Design and Analysis of Planar 3 × 3 Nolen Matrix for Beamforming Applications
Akkala Sowmya;Bharath Kunooru;Vahini N Srujana;D. Ramakrishna
Publication Year: 2024,Page(s):1 - 6
The design and analysis of a 3 × 3 Nolen matrix centered at 2 GHz is presented in this paper and measured results are compared with simulation data. The designed 3 × 3 Nolen matrix consists of hybrid couplers and phase shifters arranged in a triangular lattice, when exciting any one of the input ports from the three input ports it produces the unique phase difference of -90°, 150° and 30°. It is m...Show More
Equalization of RMC R.4 Signals using MMSE and Zero Forcing Equalization Techniques
K. Chandra Sekhar;M. Nagendra Kumar;Mantri Kavya;G.V.N.S Abhinav Varma;P. Bhavana
Publication Year: 2024,Page(s):1 - 3
Modern wireless communication systems frequently employ the digital modulation method known as orthogonal frequency division multiplexing (OFDM). It divides the available bandwidth into several orthogonal subcarriers to deliver high data speeds and effective spectrum usage. However, because to the vulnerability of OFDM systems to numerous channel imperfections, equalizers are used to enhance commu...Show More
A Thin Quad Band FSS Based on Enclosed Cross Slots to Foster Gain in Multiband Applications
Publication Year: 2024,Page(s):1 - 5
Cited by: Papers (1)
The reported work provides a thin-profile quad-band FSS which is designed as a sub-reflector to foster gain in satellite systems, detection systems for sensing traffic light and motion, short-range applications, broadcasting satellite, and direct broadcast satellite. The unit cell spans 0.08λO × 0.08AO × 0.012λo, where, λO is the wavelength corresponding to the lower cut-off frequency. It consists...Show More
Design of Circular Microstrip Antenna with Metasurface Superstate for Wifi Applications
Publication Year: 2024,Page(s):1 - 5
Metasurfaces are sub wavelength thick counterparts of two-dimensional (2D) or Planar metamaterials. They are broadly investigated and implemented in electromagnetic applications due to their light weight and ease of fabrication. This Article began with the motive of developing Circular Microstrip patch antennas and then it moved to developing and employment of metasurface superstate on top of the ...Show More
Simple, Economical & Innovative Solution for Obsolescence Management of Active x3 MIC Based RF Freq Multiplier
Publication Year: 2024,Page(s):01 - 04
This paper details about practical application of obsolescence management. In this paper MIC based application of RF Built-In Test Equipment (BITE) is discussed where a RF signal from C band is converted to X band signal using an active x3 RF multiplier. The obsolescence of the MMIC based x3 multiplier IC had halted the production of the said BITE module used in EW applications. An alternate econo...Show More
SOP Minimization in Cooperative Relay-Based NOMA Network with Control Jammer
V. Narasimha Nayak;D.B.S. Rohan;D. Kumar Reddy;P. Naga Sridhar;Kiran Kumar Gurrala
Publication Year: 2024,Page(s):1 - 5
This paper presents a new control-jammer (CJ) strategy for improving the secrecy outage probability (SOP) in a non-orthogonal multiple access (NOMA) network with a decode-and-forward (DF) relay. The network configuration involves a source transmitting a composite signal to NOMA users with the assistance of a DF relay. In order to safeguard the users' confidential data from an eavesdropper (Eve), a...Show More
A Sparse Concentric Ring Antenna Array Design with Wide Scanning and Low Sidelobe Level
Publication Year: 2024,Page(s):1 - 5
This paper presents a deterministic synthesis methodology for sparse concentric ring antenna arrays using Bessel functions' approach. Few important design guidelines are brought out to design these antenna arrays. The electromagnetic tool, Ansys HFSS is used to carry out electromagnetic experiment to validate the design technique using a practical radiating element, cavity backed microstrip patch ...Show More
A Novel Reconfigurable UWB Antenna for Spectral Sensing and Signal Transmission in Cognitive Radio Applications
Bharathi Anantha;Ravi Shankar Reddy Gosula;Srilakshmi Aouthu
Publication Year: 2024,Page(s):01 - 04
This paper presents, an ultrawide band (UWB) hexagonal ring microstrip patch antenna for cognitive radio applications. It comprises of a microstrip line fed, octagonal ring radiator etched on top of FR4 Epoxy substrate with a semi ground plane, consisting of rectangular slit. Frequency reconfiguration is attained using six semiconductor PIN diodes that attach or disconnect the parasitic elements p...Show More
LoRa - Powered Smart Agriculture System for Monitoring and Controlling
Gembali Dinesh;Akash Kumar Gupta;Muttana Nagaseshireddy;Ponnuru Durga Prasanna;Metta Satya Varshini;Kotturu Gowtham
Publication Year: 2024,Page(s):1 - 6
Cited by: Papers (1)
As the technology advances the traditional farming is heading towards smart agriculture. In smart agriculture the various parameters like soil moisture levels, temperature, humidity, and presence like NH3, CO2 etc., at field and crops are analyzed. This data from sensors is communicated to microcontroller for necessary processing and action. Usually, data is communicated using internet. But in rur...Show More
INCUS (INvestigation of Convective UpdraftS) is an Earth Science project approved by NASA in 2022. The goal of the mission is to study in detail how water vapor and droplets move inside tropical storms and thunderstorms and understand their effects on weather and climate models. To carry out this study, the mission will use three almost identical SmallSats, each one equipped with a Ka-band radar h...Show More
Design of a Broadband Stacked Annular RingAntenna Using Theory of Characteristic Modes
Ayyavaru Nayan Teja;U. V. R. S. S. H. Teja;Ashutosh Kedar;Suresh Kumar
Publication Year: 2024,Page(s):1 - 5
This paper presents the study of an Annular Microstrip patch antenna using Theory of characteristic modes (TCM). It studies various possibilities of surface current modes propagation on the antenna structure. It further optimizes the port positions for the excitation of the proper modes to achieve the desired radiation pattern. This paper follows a step wise design procedure using TCM as detailed ...Show More
This article explores the issue of physical layer security (PLS) through an analysis of a Non-Orthogonal Multiple Access (NOMA) network using multiple jamming strategies. In this network, a source transmits multiplexed signals to NOMA users when Eve is present. A jammer node adds interference signals to prevent Eve from wiretapping the secret information of the NOMA users. By deploying a new contr...Show More
X-Band Rugged Remotely Monitored Controller Based High Power Amplifier
Publication Year: 2024,Page(s):1 - 5
This paper describes the design and development of of a Gallium Nitride (GaN) based Solid State Pulsed Power Amplifier (SSPPA). Pulsed Power amplifiers are the main building blocks for all pulsed RADAR systems. This paper dwells on the design of the RF section and an innovative design of a microcontroller and multivibrator based circuits to monitor, display and protect high power solid state ampli...Show More
This paper presents a dual-polarized active frequency selective surface (AFSS) based microwave absorber designed to operate in 3.4-10.56 GHz operating band. This response has been obtained with the 0.088λLtotal thickness where λLis the wavelength corresponding to the lowest -10dB operating frequency. The dual polarization has been achieved by cascading the unit cells, and it elevates the need for ...Show More
Proceedings
The proceedings of this conference will be available for purchase through Curran Associates.
59642- WAMS, 2024 (PRT)
- Print on DemandPurchase at Partner
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