Polarimetric synthetic aperture radar (PolSAR) contains rich data that is potentially exploited to detect hidden features, e.g. archeological artifacts in the forest. In this paper, further analysis conducted on postpolarization decomposition by exploiting surrounding area of sites. This research proposed double-bounce over surface scattering (DoS) and volume (DoV) as novel descriptors extract information PolSAR images. These acted filters gain presence double bounce from dihedral-shaped...

Nowadays, 4G LTE (Long Term Evolution) telecommunication technology that has spread throughout Indonesia is growing rapidly. However, the coverage of not been implemented well in Indonesia, one them Sragen. So to be able increase quality network, it necessary optimize area network Sragen by using physical tuning method, which adjust antenna tilt, azimuth antenna, power. Key Performance Indicator a reference determine performance network. The measured parameters are signal reception power...

In this digital age, most aspects of life require an electric supply. The availability electrical power is very critical to maintaining the continuity system in various applications. To maintain continuity, Energy Monitoring and Control Automatic Transfer Switch (ATS) between Grid Solar Panel proposed. consists Switch, Home Power Plant, Charging. function monitoring monitor voltage, current, across device, operation mode ATS, State Charge (SoC) battery. control ATS according energy source...

Hydroponics is transformation or water management which used as a support to grow plants and where the roots of absorb necessary nutrients. Hydroponic farming very suitable be developed in urban areas land narrow enough allow planting. Plants grown hydroponics well conventional need adequate nutrition terms quantity type. The purpose this study creation realtime hydroponic monitoring system design cellular application display show results monitoring. Among parameters that must taken into...

This letter presents a novel substrate with lunar regolith simulant as major material that closely resembles the properties of regolith. It aims to support realization antennas telecommunication and remote sensing infrastructures can serve communication observation services on moon. Lunar has low-measured dielectric constant <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$({{\varepsilon...

This paper presents a simple technique to enhance the bandwidth and reduce mutual coupling in dualband MIMO planar monopole antenna. We use combination of folded slot partial ground plane. The proposed antenna structure consists two elements which are arranged side by on compact FR4 substrate with dimensions 30×50×1.6 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> , existing patch radiator causes changing operation frequency be...

The development of Outcome Based Education (OBE) Information System is done as a solution to academic problems related the achievement graduate learning for students. In addition, OBE system form effort improve quality in order be able monitor and measure student outcomes college study program. includes all grades processing based on Course Learning Outcomes which Graduates so that each can measured. This information developed by Rapid Application Development method, uses Yii2 Framework with...

This work presents performance of groundplane shaping and its effect in four element dualband multiple input output (MIMO) antenna. proposed MIMO antenna consists bowtie dipole which operates at 1800 MHz (low frequency) 2300 (high frequency). occupies a 270 x 210 100 mm 3 FR 4 substrate. We use types pattern i.e. full groundplane, cornered spatial groundplane,crossed middle spiral groundplane. These various grounplane patterns influence the main parameters Cornered yields largest bandwidth...

Technology in sector communication is growth rapidly, which marked by the increasing number of facilities offered, for example data, voice and video communication. The technology that can answer these demands Long Term Evolution Adavanced (LTE-A) technology. To optimize quality using a combination frequencies on LTE-A. This research comparing results non-Carrier Aggregation (Non-CA) Carrier (CA). frequency band use existing one cellular operator Surakarta 1800 MHz additional CA 2100 MHz....

Abstract This work addresses the design, fabrication, and implementation of an RF energy harvester 2.45 GHz using a compact rectenna. Our proposed rectenna focuses on development antenna array rectifier circuit. The is fabricated FR4 substrate with its overall size 12.24 cm × 18.17 thickness 1.6 mm. measured results show that 10 dB bandwidth covering in 2374-2549 MHz (175 MHz) center frequency 2415 at S 11 −18.2 dB. There enhancement 57.6% compared to single antenna. Gaining 6 double gain....

This paper presented the performance of faded channel estimation method on orthogonal frequency division multiplexing-multiple input multiple outputs (OFDM-MIMO) i.e. least squares (LS) and minimum mean squared error (MMSE). Channel impuls response (CIR) was required to overcome intersymbol interference (ISI). information obtained from processing. Iterance simulation used monte-carlo technique determine bit rate (BER) (MSE). Simulation results show that MIMO system better than SISO system....

Wireless technology becomes one of the most widely used in everyday life. The makes it possible to exchange information quickly, without use cable transmission medium. sensor networks wireless communications convey from every node that is deployed different areas. This research analyzes how performance WSN based on Quality Service (QoS) 2 topologies which are star and multihop. results show outdoor propagation pathloss exponent value n = 1.5763 farthest distance real Xbee S2C 660 meters....

This paper presents turbo coded orthogonal frequency division multiplexing performance which uses fading channel rayleigh distributed. Channel coefficients are generated by jakes method. Iterative decoding causes iteratively transfer of extrinsic LLR yields correct polarity and realibility soft decision. The size block interleaver rules increasing weight codeword declining bit error floor slope. result shows that iterative needs three iterations at least for optimum biggest interleaver's...

Increasing a number of receive antennas in STBC-MIMO system yielded increasely spatial diversity gaining. Furthermore, increasing transmit created better spatially multiplexing However, coding rate decreasing performance, higher worse performance than lower code rate. Using monte-carlo method, this paper simulated the that enclosed many variations these are (3, 4 antennas), (2,3,4 antennas) and (½, ¾).

This experimental measurement outdoor propagation uses wireless sensor network (WSN). WSN consists of a coordinator node and three nodes that they are connected by star topology. We use Xbee transceiver Arduino microcontroller. The farthest distance Tx-Rx is reached at 660m. methods including RSSI log model, log-distance pathloss normal shadowing to investigate data. has generated exponent n = 1.9529 in LOS 3.5771 NLOS. result shows the data similar slope level ideal theoretically 2. wave...

Four transmit antennas STBC MIMO-OFDM yield a better spatial diversity gaining. Code rate ¾ produces data and bandwidth efficiency than code ½. Meanwhile, ½ superiors in term of error correction that it has more larger 25 % bits. BER 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-3</sup> , about 1.2 dB gaining compared to ¾. Higher level modulation generates but needs bigger SNR value at particular BER. In additional, number receive produce...

The 2DOF face tracking system consists of two servo motors (pan and tilt) a camera. Both are integrated with each other tasked accurately facial movement. high performance the depends on desired specifications, that is can move smoothly according to movements. Therefore it necessary design an appropriate control method. This paper presents Linear Quadratic Controller (LQG) method simulated servos. steps include modeling, LQG design, simulation. one optimal methods, so this also discusses...

In this paper, a new EBG based compact design of dual band UWB MIMO antenna is proposed. This operates in Ku-band and K-band. It consists four slotted-rectangular element antennas it occupies size 60.72×56.72 mm2. The existence enhances -10 dB impedance bandwidth (VSWR ≤ 2) reduces mutual coupling. Based on the simulated numerical results, shown that has 3.518 GHz ultrawideband 3.699 K-band, respectively. There 17.46 % improvement Ku-band. addition, reducing level coupling by using technique...