Browse Items (65 total)
- Collection: Vol. 18, No. 2 2020
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Feature extraction of Jabon (Anthocephalus sp) leaf disease using discrete wavelet transform
Jabon (Anthocephalus cadamba (Roxb.) Miq) is one type of forest plants that have very rapid growth until the process of the harvest. One inhibitor is a disease that attacks the leaves in the form of spots and blight that can cause death during the…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Glasses for the blind using ping ultrasonic, ATMEGA8535 and ISD25120
For doing their activities, blind people need tools. The idea for designing this device is for helping the blind person. This device is a glasses specially for blind person which gives information in the form of voices through an earphone if there is…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Outage and throughput performance of cognitive radio based power domain based multiple access
This paper considers power domain based multiple access (PDMA)
in cognitive radio network to serve numerous users who intend to multiple access to core network. In particular, we investigate the effect of signal combination scheme equipped at PDMA…
in cognitive radio network to serve numerous users who intend to multiple access to core network. In particular, we investigate the effect of signal combination scheme equipped at PDMA…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
The prediction of mobile data traffic based on the ARIMA model and disruptive formula in industry 4.0: A case study in Jakarta, Indonesia
Disruptive technologies, which are caused by the cellular evolution including the Internet of Things (IoT), have significantly contributed data traffic to the mobile telecommunication network in the era of Industry 4.0. These technologies cause…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Enabling relay selection in non-orthogonal multiple access networks: direct and relaying mode
In this paper, we consider downlink non-orthogonal multiple access
(NOMA) in which the relay selection (RS) scheme is enabled for cooperative networks. In particular, we investigate impact of the number of relays on system performance in term of…
(NOMA) in which the relay selection (RS) scheme is enabled for cooperative networks. In particular, we investigate impact of the number of relays on system performance in term of…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Technology readiness and usability of office automation system in suburban areas
Readiness and usability issues are important attributes of an information system (IS) success. Currently, IS studies that have been assessing the issues in suburban areas are still limited. The purpose of this study was to measure the above-mentioned…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Compact reconfigurable PIFA antenna for wireless applications
This paper presents, new compact and multiband frequency reconfigurable planar inverted-F antenna (PIFA). The antenna is designed and optimized to cover mobile application devices like GPS, WLAN/Wi-Fi, WiMAX, 4G LTE, UWB, and satellite applications.…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A new multi-level key block cypher based on the Blowfish algorithm
Blowfish is a block cypher algorithm used in many applications to enhance security, but it includes several drawbacks. For example, the mix between the key and data is limited. This paper presents a new modification to the Blowfish algorithm to…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
New approach to the identification of the easy expression recognition system by robust techniques (SIFT, PCA-SIFT, ASIFT and SURF)
In recent years, facial recognition has been a major problem in the field
of computer vision, which has attracted lots of interest in previous years
because of its use in different applications by different domains and image analysis. Which is…
of computer vision, which has attracted lots of interest in previous years
because of its use in different applications by different domains and image analysis. Which is…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Benchmark and comparison between hyperledger and MySQL
In this paper, we report the benchmarking results of Hyperledger, a Distributed Ledger, which is the derivation Blockchain Technology. Method to evaluate Hyperledger in a limited infrastructure is developed. Themeasured infrastructure consists of 8…