PERANCANGAN ANTENA MIKROSTRIP ARRAY 2X1 BERKAS BINTANG YANG BEKERJA PADA FREKUENSI 915 MHz MENGGUNAKAN CST 2019

AbstrakLoRa (kependekan dari jarak jauh) adalah teknik modulasi spektrum tersebar yang berasal dari teknologi chirp spread spectrum (CSS). Perangkat LoRa Semtech dan teknologi frekuensi radio nirkabel merupakan platform nirkabel jarak jauh berdaya rendah yang telah menjadi teknologi de facto untuk jaringan Internet of Things (IoT) di seluruh dunia. Dalam rangka mendapatkan Return loss, VSWR dan Gainantena yang baik, maka salah satu metode yang dilakukan adalah mendesain antena mikrostrip menjadi antena mikrostrip larik (array) untuk mencapai Return loss, VSWR dan Gain yang lebih baik. Penambahan elemen peradiasi atau patch pada antena mikrostrip yang bekerja pada frekuensi 915mHz akan meningkatkan efisiensi dan gain antena tersebut. Parameter yang dianalisis adalah VSWR, return loss, dan Gain. Kesimpulannya, penambahan radiating element (patch) pada antena memperbaik kinerja antena pada VSWR dan Return Loss dan memperkuat Gain.Kata Kunci : Antenna Mikrostrip , Antenna LoRaAbstractLoRa (short for long distance) is a spread spectrum modulation technique derived from chip spread spectrum (CSS)technology. Semtech's LoRa devices and wireless radio frequency technology are low-power long-range wireless platforms that havebecome the de facto technology for Internet of Things (IoT) networks worldwide. In order to get a good return loss, VSWR and gainof the antenna, one of the methods used is to design a microstrip antenna into an array of microstrip antennas to achieve better returnloss, VSWR and gain. the addition of a radiating element or patch on a microstrip antenna that works at a frequency of 915 mHz willincrease the efficiency and gain of the antenna. The parameters analyzed are VSWR, return loss, and Gain. In conclusion, the additionof a radiating element (patch) on the antenna improves the performance of the antenna on VSWR and Return Loss and strengthens thegain.Keyword :Microstrip Antenna, LoRa Antenn

PERANCANGAN ANTENA MIKROSTRIP ARRAY 2X1 BERKAS BINTANG YANG BEKERJA PADA FREKUENSI 915 MHz MENGGUNAKAN CST 2019

AbstrakLoRa (kependekan dari jarak jauh) adalah teknik modulasi spektrum tersebar yang berasal dari teknologi chirp spread spectrum (CSS). Perangkat LoRa Semtech dan teknologi frekuensi radio nirkabel merupakan platform nirkabel jarak jauh berdaya rendah yang telah menjadi teknologi de facto untuk jaringan Internet of Things (IoT) di seluruh dunia. Dalam rangka mendapatkan Return loss, VSWR dan Gainantena yang baik, maka salah satu metode yang dilakukan adalah mendesain antena mikrostrip menjadi antena mikrostrip larik (array) untuk mencapai Return loss, VSWR dan Gain yang lebih baik. Penambahan elemen peradiasi atau patch pada antena mikrostrip yang bekerja pada frekuensi 915mHz akan meningkatkan efisiensi dan gain antena tersebut. Parameter yang dianalisis adalah VSWR, return loss, dan Gain. Kesimpulannya, penambahan radiating element (patch) pada antena memperbaik kinerja antena pada VSWR dan Return Loss dan memperkuat Gain.Kata Kunci : Antenna Mikrostrip , Antenna LoRaAbstractLoRa (short for long distance) is a spread spectrum modulation technique derived from chip spread spectrum (CSS)technology. Semtech's LoRa devices and wireless radio frequency technology are low-power long-range wireless platforms that havebecome the de facto technology for Internet of Things (IoT) networks worldwide. In order to get a good return loss, VSWR and gainof the antenna, one of the methods used is to design a microstrip antenna into an array of microstrip antennas to achieve better returnloss, VSWR and gain. the addition of a radiating element or patch on a microstrip antenna that works at a frequency of 915 mHz willincrease the efficiency and gain of the antenna. The parameters analyzed are VSWR, return loss, and Gain. In conclusion, the additionof a radiating element (patch) on the antenna improves the performance of the antenna on VSWR and Return Loss and strengthens thegain.Keyword :Microstrip Antenna, LoRa Antenn

Low-Carbon Energy Development in Indonesia in Alignment with Intended Nationally Determined Contribution (INDC) by 2030

This study analyzed the role of low-carbon energy technologies in reducing the greenhouse gas emissions of Indonesia’s energy sector by 2030. The aim of this study was to provide insights into the Indonesian government’s approach to developing a strategy and plan for mitigating emissions and achieving Indonesia’s emission reduction targets by 2030, as pledged in the country’s Intended Nationally Determined Contribution. The Asia-Pacific Integrated Model/Computable General Equilibrium (AIM/CGE) model was used to quantify three scenarios that had the same socioeconomic assumptions: baseline, countermeasure (CM)1, and CM2, which had a higher emission reduction target than that of CM1. Results of the study showed that an Indonesian low-carbon energy system could be achieved with two pillars, namely, energy efficiency measures and deployment of less carbon-intensive energy systems (i.e., the use of renewable energy in the power and transport sectors, and the use of natural gas in the power sector and in transport). Emission reductions would also be satisfied through the electrification of end-user consumption where the electricity supply becomes decarbonized by deploying renewables for power generation. Under CM1, Indonesia could achieve a 15.5% emission reduction target (compared to the baseline scenario). This reduction could be achieved using efficiency measures that reduce final energy demand by 4%; This would require the deployment of geothermal power plants at a rate six times greater than the baseline scenario and four times the use of hydropower than that used in the baseline scenario. Greater carbon reductions (CM2; i.e., a 27% reduction) could be achieved with similar measures to CM1 but with more intensive penetration. Final energy demand would need to be cut by 13%, deployment of geothermal power plants would need to be seven times greater than at baseline, and hydropower use would need to be five times greater than the baseline case. Carbon prices under CM1 and CM2 were US$16 and US$63 (2005)/tCO2, respectively. The mitigation scenarios for 2030 both had a small positive effect on gross domestic product (GDP) compared to the baseline scenario (0.6% and 0.3% for CM1 and CM2, respectively). This is mainly due to the combination of two assumptions. The first is that there would be a great increase in coal-fired power in the baseline scenario. The other assumption is that there is low productivity in coal-related industries. Eventually, when factors such as capital and labor shift from coal-related industries to other low-carbon-emitting sectors in the CM cases are put in place, the total productivity of the economy would offset low-carbon investment

Incorporating grid expansion in an energy system optimisation model - A case study for Indonesia

Energy system optimisation models (ESOMs) are widely used for policy analyses particularly on topics related to climate change mitigation and renewable energy transition. Using ESOM to investigate regions that potentially require significant expansion of grid infrastructure requires incorporation of grid expansion problem within the optimisation. This study presents the development of SELARU, a Mixed-Integer Linear Programming (MILP) model for spatially explicit long-term energy infrastructure planning. The model is used to investigate the case study of Indonesia using various spatial treatments to demonstrate the impact of detailed spatial depiction of grid expansion. Results reveal significant difference in renewable energy deployment trajectory (up to 315% increase in generation capacity) between high-resolution spatial depiction of grid expansion vis-à-vis non spatially explicit energy system optimisation. SELARU’s high-resolution energy system optimization modelling also provides detailed information on the geographical extent of grid expansion requirement, which provides more realistic insights on governance challenges of renewable energy transition. Careful consideration of spatial representation is crucial when ESOM is used to evaluate scenarios that concern technology selection such as renewable energy deployment or climate change mitigation

An Assessment of Indonesia’s Intended Nationally Determined Contributions

This chapter provides an overview of Indonesia’s current economy, energy sector, land use, and climate policies. We assessed Indonesia’s Intended Nationally Determined Contributions (INDC) using an Asia-Pacific Integrated Model/Computable General Equilibrium model coupled with an agriculture, forestry, and other land use (AFOLU) model. The model shows that the emission reduction target of INDC can be achieved at low economic cost (less than 1% of GDP) and that the mitigation actions required would not harm economic development. While emissions from land use and land use change are high nowadays, the energy sector is expected to grow rapidly and become more important in the future. Therefore, climate-related policymakers should focus equally on land use and the energy sector in the future

Proceedings of the 3rd International Conference on Community Engagement and Education for Sustainable Development

This proceeding contains articles on the various ideas of the academic community presented at The 3rd International Conference on Community Engagement and Education for Sustainable Development (ICCEESD 2022) organized by the Universitas Gadjah Mada, Indonesia on 7th-8th December 2022.  ICCEESD is a biannual forum for sharing, benchmarking, and discussing HEI’s activities in developing Education for Sustainable Development towards community engagement. Education for Sustainability as a teaching strategy for resolving community challenges through formal, informal, or non-formal education is expected to benefit from various community service best practices by academics, researchers, and students. The 3rd ICCEESD has “Strengthening Education for Sustainability Towards Better Community Engagement” as its theme this year. It is expected that the 3rd ICCEESD will provide a forum for the presenters and participants to exchange best practices, policies, and conceptual implementation of Education for Sustainability towards better community engagement and explore ideas to address community needs.  Conference Title: 3rd International Conference on Community Engagement and Education for Sustainable DevelopmentConference Theme: Strengthening Education for Sustainability Towards Better Community EngagementConference Acronyms: ICCEESD 2022Conference Date: 7th-8th December 2022Conference Location: Grand Rohan Jogja Yogyakarta, IndonesiaConference Organizer: Universitas Gadjah Mada, Indonesi