Abstract
We conducted a qualitative study to get a preliminary understanding of indigents needs. The results helped us identify system requirements that led to the design of the HELPi system, a digital bracelet to enable local agencies to provide support to indigents who used roam the city. The paper aims to present the studies conducted to inform the design of our technological approach to addressing challenges related to acceptance, coverage of users, and battery lifespan. We built a prototype using LoRa™, which is a Low Power Wide Area Network (LPWAN) technology that offers several features that make it suitable for our application domain; e.g., it enables Machine-to-Machine (M2M) communications. Thus, we have taken advantage of this feature and propose a communication protocol to allow a dynamic coverage of users. We conducted assessments to determine users’ perception about its usefulness, and to measure the performance of the LoRa’s signal propagation and the battery energy consumption for the deployment of the HELPi system. According to our results, the proposed communication protocol should work with a LoRa™ Gateway in the outside setting condition and with an SNR threshold higher than − 2 dB to guarantee the successful reception of messages transmitted.
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National System for the Integral Development of the Family (DIF). https://www.gob.mx/difnacional.
References
Albicker, Sandra Luz, Laura Velasco (2016) Deportación y estigma en la frontera México-Estados Unidos: atrapados en Tijuana. Norteamérica 11. Universidad Nacional Autonoma de Mexico. https://doi.org/10.20999/nam.2016.a004
Almquist ZW (2018) Large-scale spatial network models: An application to modeling information diffusion through the homeless population of San Francisco. Environ Plan. https://doi.org/10.1177/2399808318785375
Atchessi N, Ridde V, Zunzunegui M-V (2016) User fees exemptions alone are not enough to increase indigent use of healthcare services. Health Policy Plan 31:674–681. https://doi.org/10.1093/heapol/czv135
Braun V, Clarke V (2006) Using thematic analysis in psychology. Qual Res Psychol 3:77–101. https://doi.org/10.1191/1478088706qp063oa
Campbell H, Lachica JG (2013) Transnational homelessness: finding a place on the US-Mexico border. J Borderl Stud 28:279–290. https://doi.org/10.1080/08865655.2013.863441
Cardenas AM, Pinto MKN, Pietrosemoli E, Zennaro M, Rainone M, Manzoni P (2019) A low-cost and low-power messaging system based on the LoRa wireless technology. Mob Netw Appl. https://doi.org/10.1007/s11036-019-01235-5
Collins K (2013) Life in the US–Mexican border region: residents’ perceptions of the Place. J Borderl Stud 28:127–146. https://doi.org/10.1080/08865655.2013.796210
CONEVAL Consejo Nacional de Evaluación de la Política de Desarrollo Social | CONEVAL (2019) https://www.coneval.org.mx/Paginas/principal.aspx. Accessed June 1
Davis FD (1989) Perceived usefulness, perceived ease of use, and user acceptance of information technology. MIS Quarterly. https://doi.org/10.2307/249008
Devalal S, Karthikeyan A (2018) LoRa technology-an overview second international conference on electronics, communication and aerospace technology. IEEE 8:284–290. https://doi.org/10.1109/ICECA.2018.8474715
Dombrowski L, Brubaker JR, Hirano SH, Mazmanian M, Hayes GR (2013) It takes a network to get dinner. In: Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing - UbiComp ’13, 519. ACM Press, New York 10.1145/2493432.2493493.
ECLAC (2013) Economic Commission for Latin America and the Caribbean. Choice Reviews Online 40:2273. https://doi.org/10.5860/choice.40-2273
Eyrich-Garg KM (2011) Sheltered in cyberspace? Computer use among the unsheltered “street” homeless. Comput Hum Behav 27:296–303. https://doi.org/10.1016/j.chb.2010.08.007
Figueira S, Linnell N, Fong N (2013) StreetConnect: SMS announcements for homeless people. IEEE global humanitarian technology conference (GHTC). IEEE. https://doi.org/10.1109/GHTC.2013.6713736
Garcia DL (2003) Technology and social inclusion: rethinking the digital divide by mark Warschauer. Am J Sociol. https://doi.org/10.1086/381987
Gebrekristos M, Aljadaan A, Bihani K (2008) QR-Codes for the chronically homeless. Association for Computing Machinery (ACM). https://doi.org/10.1145/1358628.1358947
Golash-Boza T, Hondagneu-Sotelo P (2013) Latino immigrant men and the deportation crisis A gendered racial removal program. Latino Stud 11(3):271–292
Guadagno RE, Muscanell NL, Pollio DE (2013) The homeless use Facebook?! Similarities of social network use between college students and homeless young adults. Comput Hum Behav 29:86–89. https://doi.org/10.1016/j.chb.2012.07.019
Gui X, Forbat J, Nardi B, Stokols D (2019) Use of information and communication technology among street drifters in Los Angeles | Gui | First Monday. https://journals.uic.edu/ojs/index.php/fm/article/view/6813/5623. Accessed Dec 10
Li L, Ren J, Zhu Q (2017) On the application of LoRa LPWAN technology in Sailing Monitoring System. In 2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS). IEEE. 77–80. https://doi.org/10.1109/WONS.2017.7888762
Mankoff J, Dey AK, Hsieh G, Kientz J, Lederer S, Ames M (2003) Heuristic evaluation of ambient displays. In: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. ACM: 169–176. https://doi.org/10.1145/642611.642642
Medicine I (1988) Homelessness, health, and human needs. National Academies Press, Washington. https://doi.org/10.17226/1092
Mohan N, Sarma A, Toyama K (2019) Food-availability SMS system for US homeless communities. In: ACM International Conference Proceeding Series. Association for Computing Machineryhttps://doi.org/10.1145/3287098.3287128
Noirhomme M, Meessen B, Griffiths F, Ir P, Jacobs B, Thor R, Criel B, Van Damme W (2007) Improving access to hospital care for the poor: comparative analysis of four health equity funds in Cambodia. Health Policy and Planning 22(4):246–262. https://doi.org/10.1093/heapol/czm015
Ravenhill M (2019) Homelessness and Vulnerable Young People: A social audit of KeyChange Charity’s supported accommodation. https://sticerd.lse.ac.uk/Case. Accessed Dec 10
Rice E, Tulbert E, Cederbaum J, Barman Adhikari A, Milburn NG (2012) Mobilizing homeless youth for HIV prevention: a social network analysis of the acceptability of a face-to-face and online social networking intervention. Health Educ Res 27:226–236. https://doi.org/10.1093/her/cyr113
Rosson M, John M, Carroll JM (2002) Usability engineering: scenario-based development of human-computer interaction. Academic Press
Tan H, Yang F, Tummalapalli NT, Bhatia C, Barde K (2017) Raven: A street robot to address homelessness. In: ACM/IEEE International Conference on Human-Robot Interaction, 397–398. IEEE Computer Society. https://doi.org/10.1145/3029798.3034948
Vangelista L, Zanella A, Zorzi M (2015) Long-range IoT technologies: the dawn of LoRa TM. Springer, Cham. https://doi.org/10.1007/978-3-319-27072-2_7
Woelfer JP, Hendry DG (2011) Homeless young people and living with personal digital artifacts. In: Proceedings of the 2011 annual conference on Human factors in computing systems. ACM Press, Newyork. https://doi.org/10.1145/1978942.1979190
Woelfer JP, Hendry DG (2011) Designing ubiquitous information systems for a community of homeless young people: Precaution and a way forward. Pers Ubiquit Comput 15:565–573. https://doi.org/10.1007/s00779-010-0341-5
Woelfer JP, Hendry DG (2011) Homeless young people and technology. interactions 18. Association for Computing Machinery (ACM): 70. https://doi.org/10.1145/2029976.2029994
Wright NMJ, Tompkins CNE (2017) How can health care systems effectively deal with the major health care needs of homeless people?. World Health Organization, Copenhagen, WHO Regional Office for Europe (Health Evidence Network report)
Wu CC, Hong SM, Huang YH (2015) GoodGuide: Reconnecting the homeless and others. In: Conference on Human Factors in Computing Systems-Proceedings. Association for Computing Machinery 18:55–60. https://doi.org/10.1145/2702613.2726959
Yen PY, Bakken S (2019) Review of health information technology usability study methodologies. https://doi.org/10.1136/amiajnl-2010-000020
Acknowledgements
We thank to the participants of the study and the DIF coordinator of Mexicali.
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This research was funded in part by the National Council of Science and Technology (CONACyT, México) through the ‘Fondo Sectorial de Investigación para la Educación’ under Grant Number 288670.
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Andrade, Á.G., Ramírez, J.M. & Rodríguez, M.D. Informing the design of a LoRa™-based digital bracelet for the timely assistance of indigents. J Ambient Intell Human Comput 13, 5335–5350 (2022). https://doi.org/10.1007/s12652-020-01732-6
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DOI: https://doi.org/10.1007/s12652-020-01732-6