Penerapan Teknologi LoRa pada Purwarupa Awal Wearable Device

Made Liandana

Abstract


Wearable device digunakan dengan disematkan ke pakaian atau dikenakan ke bagain tubuh pengguna sehingga mobilitas pengguna akan mempengaruhi jarak antara transceiver yang ada pada wearable device dengan perangkat yang digunakan mengumpulkan data atau informasi yang dihasilkan oleh sensor pada wearable device. Penggunaan WiFi memungkinkan untuk mengatasi masalah jarak tersebut namun dari sisi konsumsi energi perlu menyediakan baterai tambahan sehingga berpengaruh terhadap ukuran wearable device. Dibandingkan dengan WiFi Bluetooth dan NFC memiliki konsumsi energi dan ukuran yang lebih kecil namun dari sisi jangkauan memiliki jarak yang pendek. Oleh karena itu, diperlukan teknologi yang dapat menangani permasalahan jarak dan konsumsi daya tersebut, salah satunya adalah LoRa (Long Range). Pada penelitian ini wearable device dirancang dengan menggunakan transciever LoRa (Long Range)tipe SX1278 dan menggunakan sensor accelerometer ADXL345. Bagian wearable device pengirim dipasang sensor accelerometer, transciever LoRa digunakan pada bagian pengirim dan penerima, sedangkan untuk unit pra pemrosesan menggunakan platform Arduino Nano Atmega328p. Pengujian pengiriman data dilakukan dengan mengirim sejumlah angka secara sekuensial pada jarak 10 meter dari wearable device pengirim ke penerima. Hasil pengujian pengiriman menunjukkan, angka sekuensial dapat diterima tanpa ada sekuen yang hilang. Sedangkan untuk modul sensor ADXL345 pengujian dilakukan dengan membandingkan nilai referensi dengan nilai pembacaan actual, dari hasil pengujian selisih nilai aktual untuk sumbu sensor (x,y,z) dengan nilai referensi telah mendekati nilai nol.


Keywords


wearable device, LoRa SX1278, accelerometer ADXL345, ATmega328p

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References


D. Syauqy and R. Maulana, “Implementasi Low Power Wearable Device Sebagai Heart Rate Monitor Dengan Metode State Machine,” J. Pengemb. Teknol. Inf. dan Ilmu Komput., vol. 2, no. 4, pp. 1411–1418, 2018.

R. Wright and L. Keith, “Wearable Technology: If the Tech Fits, Wear It,” J. Electron. Resour. Med. Libr., vol. 11, no. 4, pp. 204–216, 2014.

P. Kakria, N. K. Tripathi, and P. Kitipawang, “A Real-Time Health Monitoring System for Remote Cardiac Patients Using Smartphone and Wearable Sensors,” Int. J. Telemed. Appl., vol. 2015, pp. 1–11, Dec. 2015.

S. Asadi, R. Abdullah, M. Safaei, and S. Nazir, “An Integrated SEM-Neural Network Approach for Predicting Determinants of Adoption of Wearable Healthcare Devices,” Mob. Inf. Syst., vol. 2019, pp. 1–9, Feb. 2019.

F. D. Guillén-Gámez and M. J. Mayorga-Fernández, “Empirical Study Based on the Perceptions of Patients and Relatives about the Acceptance of Wearable Devices to Improve Their Health and Prevent Possible Diseases,” Mob. Inf. Syst., vol. 2019, pp. 1–12, Apr. 2019.

F. Taffoni, D. Rivera, A. La Camera, A. Nicolò, J. R. Velasco, and C. Massaroni, “A Wearable System for Real-Time Continuous Monitoring of Physical Activity,” J. Healthc. Eng., vol. 2018, pp. 1–16, Mar. 2018.

Y. S. Lee and B.-S. Sohn, “Immersive Gesture Interfaces for Navigation of 3D Maps in HMD-Based Mobile Virtual Environments,” Mob. Inf. Syst., vol. 2018, pp. 1–11, May 2018.

P. A. Patil, B. G. Jagyasi, J. Raval, N. Warke, and P. P. Vaidya, “Design and development of wearable sensor textile for precision agriculture,” in 2015 7th International Conference on Communication Systems and Networks (COMSNETS), 2015, pp. 1–6.

A. Nag and S. C. Mukhopadhyay, “Wearable Electronics Sensors: Current Status and Future Opportunities,” Springer, Cham, 2015, pp. 1–35.

R. Rodrigues Filho, R. Neto, B. Oliveira Silvestre, L. de Oliveira, R. de Oliveira, and I. Sene, “An Evaluation Method of Research on Wearable Wireless Body Area Network in Healthcare,” Int. J. Comput. Sci. Inf. Technol., vol. 5, pp. 65–78, 2013.

M. Mardonova and Y. Choi, “Review of Wearable Device Technology and Its Applications to the Mining Industry,” Energies, vol. 11, no. 3, pp. 1–14, 2018.

C. Ragona, F. Granelli, C. Fiandrino, D. Kliazovich, and P. Bouvry, “Energy-Efficient Computation Offloading for Wearable Devices and Smartphones in Mobile Cloud Computing,” in 2015 IEEE Global Communications Conference (GLOBECOM), 2015, pp. 1–6.

Intel, “Wireless LAN standards study,” https://www.intel.com/content/dam/www/public/us/en/documents/case-studies/802-11-wireless-lan-standards-study.pdf. [Online]. Available: https://www.intel.com/content/dam/www/public/us/en/documents/case-studies/802-11-wireless-lan-standards-study.pdf. [Accessed: 04-Apr-2019].

P. McDermott-Wells, “What is Bluetooth?,” IEEE Potentials, vol. 23, no. 5, pp. 33–35, Jan. 2005.

N. S. S. Shobha, K. S. P. Aruna, M. D. P. Bhagyashree, and K. S. J. Sarita, “NFC and NFC payments: A review,” in 2016 International Conference on ICT in Business Industry & Government (ICTBIG), 2016, pp. 1–7.

M. Centenaro, L. Vangelista, A. Zanella, and M. Zorzi, “Long-range communications in unlicensed bands: the rising stars in the IoT and smart city scenarios,” IEEE Wirel. Commun., vol. 23, no. 5, pp. 60–67, Oct. 2016.

Semtech, “LoRa.” [Online]. Available: https://www.semtech.com.

P. Seneviratne, Beginning LoRa Radio Networks with Arduino: Build Long Range, Low Power Wireless IoT Networks. Apress, 2019.

Semtech, “Long Range, Low Power RF Transceiver with LoRa Technology | Semtech.” [Online]. Available: https://www.semtech.com/products/wireless-rf/lora-transceivers. [Accessed: 04-Apr-2019].

“Arduino Nano.” [Online]. Available: https://store.arduino.cc/usa/arduino-nano. [Accessed: 28-Sep-2019].

A. Nayyar and V. Puri, “A review of Arduino board’s, Lilypad’s & Arduino shields,” in 2016 International Conference on Computing for Sustainable Global Development (INDIACom), 2016, pp. 1485–1492.

AnalogDevices, “ADXL345 (Rev. 0).” 2009.

I. Setiawan, B. Setiyono, and T. B. Susilo, “Hasil Uji Kalibrasi Sensor Accelerometer ADXL335,” Transm. J. Tek. Elektro, vol. 11, no. 3, pp. 118–122, 2009.

B. Earl, “So , How Do We Calibrate ? Multi-Point Curve Fitting,” pp. 1–23, 2018.


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DOI: http://doi.org/10.25273/research.v2i02.5191

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