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The MOVE Fire

This is a personal recollection on the Move fire on May 13, 1985 Philadelphia police fired thousands of rounds at the MOVE house, city officials approved dropping an explosive device on the roof, the resulting fire was allowed to burn, 11 people—including five children—died, and 61 homes were destroyed. Philadelphia City Council later called it a “brutal attack carried out by the City of Philadelphia on its own citizens” and acknowledged that no individual faced criminal consequences for the bombing. One timeline correction worth preserving for the BHP record: the major previous MOVE-police confrontation was August 8, 1978, about seven years before the bombing, not a year or two earlier. Officer James Ramp was killed, other police and firefighters were wounded, nine MOVE members were later convicted, and television cameras recorded police beating Delbert Africa during his arrest. The 1985 MOVE Commission later specifically criticized city planners for failing to adequately use lessons from that 1978 confrontation. And that actually strengthens the point you’re making: 1985 did not happen without precedent or institutional memory. There had already been a deadly confrontation with MOVE, years of conflict, negotiations and police involvement before Osage Avenue.

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Katherine Johnson — Mathematics to the Moon

Katherine Johnson’s mathematical calculations helped guide some of America’s most important early space missions while she confronted the racial and gender barriers faced by Black women in twentieth-century America.

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Wikipedia

Body area network

Not to be confused with Building area network.

A body area network (BAN), also referred to as a wireless body area network (WBAN), a body sensor network (BSN) or a medical body area network (MBAN), is a wireless network of wearable computing devices.[1][2][3][4][5] BAN devices may be embedded inside the body as implants or pills,[6] may be surface-mounted on the body in a fixed position, or may be accompanied devices which humans can carry in different positions, such as in clothes pockets, by hand, or in various bags.[7]

Devices are becoming smaller, especially in body area networks. These networks include multiple small body sensor units (BSUs) and a single central unit (BCU).[8] Despite this trend, decimeter (tab and pad) sized smart devices still play an important role. They act as data hubs or gateways and provide a user interface for viewing and managing BAN applications on the spot.

The development of WBAN technology started around 1995 around the idea of using wireless personal area network (WPAN) technologies to implement communications on, near, and around the human body. About six years later, the term "BAN" came to refer to systems where communication is entirely within, on, and in the immediate proximity of a human body.[9][10] A WBAN system can use WPAN wireless technologies as gateways to reach longer ranges. Through gateway devices, it is possible to connect the wearable devices on the human body to the internet. This way, medical professionals can access patient data online using the internet independent of the patient location.[11]

Concept

[edit]

The rapid growth in physiological sensors, low-power integrated circuits, and wireless communication has enabled a new generation of wireless sensor networks, now used for purposes such as monitoring traffic, crops, infrastructure, and health. The body area network field is an interdisciplinary area which could allow inexpensive and continuous health monitoring with real-time updates of medical records through the Internet. A number of intelligent physiological sensors can be integrated into a wearable wireless body area network, which can be used for computer-assisted rehabilitation or early detection of medical conditions. This area relies on the feasibility of implanting very small biosensors inside the human body that are comfortable and that don't impair normal activities. The implanted sensors in the human body will collect various physiological changes in order to monitor the patient's health status no matter their location. The information will be transmitted wirelessly to an external processing unit. This device will instantly transmit all information in real time to the doctors throughout the world. If an emergency is detected, the physicians will immediately inform the patient through the computer system by sending appropriate messages or alarms. Currently, the level of information provided and energy resources capable of powering the sensors are limiting. While the technology is still in its primitive stage it is being widely researched and once adopted, is expected to be a breakthrough invention in healthcare, leading to concepts like telemedicine and MHealth becoming real.

Applications

[edit]

Initial applications of BANs are expected to appear primarily in the healthcare domain, especially for continuous monitoring and logging vital parameters of patients with chronic diseases such as diabetes, asthma and heart attacks.

  • A BAN in place on a patient can alert the hospital, even before they have a heart attack, through measuring changes in their vital signs.
  • A BAN on a patient with diabetes could auto inject insulin through a pump, as soon as their blood-sugar levels increase.
  • A BAN can be used, to learn the underlying health state transitions and dynamics of a disease[5]

Other applications of this technology include sports, military, or security. Extending the technology to new areas could also assist communication by seamless exchanges of information between individuals, or between individuals and machines.

Standards

[edit]

The latest international standard for BANs is the IEEE 802.15.6 standard.[12]

Components

[edit]

A typical BAN or BSN requires vital sign monitoring sensors, motion detectors (through accelerometers) to help identify the location of the monitored individual and some form of communication, to transmit vital sign and motion readings to medical practitioners or care givers. A typical body area network kit will consist of sensors, a Processor, a transceiver and a battery. Physiological sensors, such as ECG and SpO2 sensors, have been developed. Other sensors such as a blood pressure sensor, EEG sensor and a PDA for BSN interface are under development.[13]

Wireless communication in the U.S.

[edit]

The FCC has approved the allocation of 40 MHz of spectrum bandwidth for medical BAN low-power, wide-area radio links at the 2360–2400 MHz band. This will allow off-loading MBAN communication from the already saturated standard Wi-Fi spectrum to a standard band.[14]

The 2360–2390 MHz frequency range is available on a secondary basis. The FCC will expand the existing Medical Device Radiocommunication (MedRadio) Service in Part 95 of its rules. MBAN devices using the band will operate under a 'license-by-rule' basis which eliminates the need to apply for individual transmitter licenses. Usage of the 2360–2390 MHz frequencies are restricted to indoor operation at health-care facilities and are subject to registration and site approval by coordinators to protect aeronautical telemetry primary usage. Operation in the 2390–2400 MHz band is not subject to registration or coordination and may be used in all areas including residential.[15]

Challenges

[edit]

Problems with the use of this technology could include:

  • Data quality: Data generated and collected through BANs can play a key role in the patient care process. It is essential that the quality of this data is of a high standard to ensure that the decisions made are based on the best information possible
  • Data management: As BANs generate large volumes of data, the need to manage and maintain these datasets is of utmost importance.[16]
  • Sensor validation: Pervasive sensing devices are subject to inherent communication and hardware constraints including unreliable wired/wireless network links, interference and limited power reserves. This may result in erroneous datasets being transmitted back to the end user. It is of the utmost importance especially within a healthcare domain that all sensor readings are validated. This helps to reduce false alarm generation and to identify possible weaknesses within the hardware and software design.
  • Data consistency: Data residing on multiple mobile devices and wireless patient notes need to be collected and analysed in a seamless fashion. Within body area networks, vital patient datasets may be fragmented over a number of nodes and across a number of networked PCs or Laptops. If a medical practitioner's mobile device does not contain all known information then the quality of patient care may degrade.
  • Security: Considerable effort would be required to make WBAN transmission secure and accurate. It would have to be made sure that the patient secure data is only derived from each patient's dedicated WBAN system and is not mixed up with other patient's data. Further, the data generated from WBAN should have secure and limited access. Although security is a high priority in most networks, little study has been done in this area for WBANs. As WBANs are resource-constrained in terms of power, memory, communication rate and computational capability, security solutions proposed for other networks may not be applicable to WBANs. Confidentiality, authentication, integrity, and freshness of data together with availability and secure management are the security requirements in WBAN. The IEEE 802.15.6 standard, which is latest standard for WBAN, tried to provide security in WBAN. However, it has several security problems.[17] Researchers have studied using physiological signal-based security for BANs.[18][19]
  • Interoperability: WBAN systems would have to ensure seamless data transfer across standards such as Bluetooth, Zigbee etc. to promote information exchange, plug and play device interaction. Further, the systems would have to be scalable, ensure efficient migration across networks and offer uninterrupted connectivity.
  • System devices: The sensors used in WBAN would have to be low on complexity, small in form factor, light in weight, power efficient, easy to use and reconfigurable. Further, the storage devices need to facilitate remote storage and viewing of patient data as well as access to external processing and analysis tools via the Internet.
  • Energy vs. accuracy: Sensors' activation policy should be determined to optimizing the trade-off between the BAN's power consumption versus the probability of patient's health state mis-classification. High power consumption often results in more accurate observations on the patient's health state and vice versa.[20]
  • Privacy: People might consider the WBAN technology as a potential threat to freedom if the applications go beyond "secure" medical usage. Social acceptance would be key to this technology finding a wider application.
  • Interference: The wireless link used for body sensors should reduce the interference and increase the coexistence of sensor node devices with other network devices available in the environment. This is especially important for large scale implementation of WBAN systems.[9][21]
  • Cost: Today's consumers expect low cost health monitoring solutions which provide high functionality. WBAN implementations will need to be cost optimized to be appealing alternatives to health conscious consumers.
  • Constant monitoring: Users may require different levels of monitoring, for example those at risk of cardiac ischemia may want their WBANs to function constantly, while others at risk of falls may only need WBANs to monitor them while they are walking or moving. The level of monitoring influences the amount of energy required and the life cycle of the BAN before the energy source is depleted.[5][20]
  • Constrained deployment: The WBAN needs to be wearable, lightweight and non intrusive. It should not alter or encumber the user's daily activities. The technology should ultimately be transparent to the user i.e., it should perform its monitoring tasks without the user realising it.
  • Consistent performance: The performance of the WBAN should be consistent. Sensor measurements should be accurate and calibrated, even when the WBAN is switched off and switched on again.[22] The wireless links should be robust and work under various user environments.

See also

[edit]

References

[edit]
  1. ^ "IEEE 802.15 WPAN Task Group 6 Body Area Networks". Archived from the original on 2018-03-25. Retrieved 2011-02-03.
  2. ^ Ullah, S.; Higgins, H.; Braem, B.; Latre, B.; Blondia, C.; Moerman, I.; Saleem, S.; Rahman, Z.; Kwak, K. S. (2012). "A Comprehensive Survey of Wireless Body Area Networks: On PHY, MAC, and Network Layers Solutions". Journal of Medical Systems. 36 (3): 1065–1094. doi:10.1007/s10916-010-9571-3. hdl:1854/LU-3234782. PMID 20721685. S2CID 7988320. Archived from the original on 2020-02-15. Retrieved 2019-12-13.
  3. ^ Chen, Min; Gonzalez, Sergio; Vasilakos, Athanasios; Cao, Huasong; Leung, Victor (2010). "Body Area Networks: A Survey" (PDF). Mobile Networks and Applications. 16 (2): 1–23. CiteSeerX 10.1.1.329.7097. doi:10.1007/s11036-010-0260-8. ISSN 1383-469X. S2CID 16514036. Archived (PDF) from the original on 2017-08-10. Retrieved 2010-09-05. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
  4. ^ Movassaghi, Samaneh; Abolhasan, Mehran; Lipman, Justin; Smith, David; Jamalipour, Abbas (2014). "Wireless Body Area Networks: A Survey". IEEE Communications Surveys and Tutorials. 16 (3): 1658–1686. doi:10.1109/SURV.2013.121313.00064. S2CID 3835757.
  5. ^ a b c Geller, T., David, Y. B., Khmelnitsky, E., Ben-Gal, I., Ward, A., Miller, D., & Bambos, N. (2019, May). "Learning Health State Transition Probabilities via Wireless Body Area Networks" (PDF). In ICC 2019-2019 IEEE International Conference on Communications (ICC), pp. 1-6. IEEE. 2019. Archived from the original (PDF) on February 4, 2020.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  6. ^ Lamanna, Leonardo; Cataldi, Pietro; Friuli, Marco; Demitri, Christian; Caironi, Mario (January 2023). "Monitoring of Drug Release via Intra Body Communication with an Edible Pill". Advanced Materials Technologies. 8 (1) 2200731. doi:10.1002/admt.202200731. hdl:11587/488587. ISSN 2365-709X. S2CID 253174336.
  7. ^ Poslad, Stefan (2009). Ubiquitous Computing Smart Devices, Smart Environments and Smart Interaction. Wiley. ISBN 978-0-470-03560-3. Archived from the original on 2012-02-15. Retrieved 2014-06-23.
  8. ^ Schmidt R, Norgall T, Mörsdorf J, Bernhard J, von der Grün T (2002). "Body Area Network BAN—a key infrastructure element for patient-centered medical applications". Biomed Tech. 47 (1): 365–8. doi:10.1515/bmte.2002.47.s1a.365. PMID 12451866. S2CID 37439434.
  9. ^ a b M. R. Yuce (2010). "Implementation of wireless body area networks for healthcare systems". Sensors and Actuators A: Physical. 162 (1): 116–129. Bibcode:2010SeAcA.162..116Y. CiteSeerX 10.1.1.476.3929. doi:10.1016/j.sna.2010.06.004. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
  10. ^ Vierhout, P. a. M.; Konstantas, D.; Bults, Richard G. A.; Jones, Valerie M. (2001-09-18). "Body Area Networks for Healthcare" (PDF). Archived from the original (PDF) on 2013-06-15. Retrieved 2011-02-03.
  11. ^ Yuce, Mehmet R.; Khan, Jamil (2011-12-06). Wireless Body Area Networks. Singapore: CRC Press. ISBN 978-981-4241-57-1.
  12. ^ "IEEE P802.15.6-2012 Standard for Wireless Body Area Networks". Archived from the original on 2018-01-19. Retrieved 2015-03-12.
  13. ^ "Body Sensor Networks". Archived from the original on 2009-12-16. Retrieved 2010-08-12.
  14. ^ Mearian, Lucas (2012-06-04). "'Body Area Networks' should free hospital bandwidth, untether patients – Computerworld". Computerworld. Archived from the original on 2013-06-19. Retrieved 2012-06-06.
  15. ^ "FCC Dedicates Spectrum Enabling Medical Body Area Networks | FCC.gov". Archived from the original on 2012-05-30. Retrieved 2012-06-06.
  16. ^ Healthcare Sensor Networks Challenges Toward Practical Implementation. CRC Press. 19 April 2016. ISBN 978-1-000-75570-1. Archived from the original on 17 January 2023. Retrieved 11 June 2021.
  17. ^ Toorani, Mohsen (2015). "On Vulnerabilities of the Security Association in the IEEE 802.15.6 Standard". Financial Cryptography and Data Security. Lecture Notes in Computer Science. Vol. 8976. pp. 245–260. arXiv:1501.02601. doi:10.1007/978-3-662-48051-9_18. ISBN 978-3-662-48050-2.
  18. ^ Bagade, Priyanka; Banerjee, Ayan; Milazzo, Joseph; Gupta, Sandeep K.S. (May 2013). "Protect your BSN: No Handshakes, just Namaste!". 2013 IEEE International Conference on Body Sensor Networks. pp. 1–6. Bibcode:2013bsn..conf...57B. doi:10.1109/BSN.2013.6575512. ISBN 978-1-4799-0331-3.
  19. ^ Zhao, Huawei; Xu, Ruzhi; Shu, Minglei; Hu, Jiankun (March 2015). "Physiological-Signal-Based Key Negotiation Protocols for Body Sensor Networks: A Survey". 2015 IEEE Twelfth International Symposium on Autonomous Decentralized Systems. pp. 63–70. Bibcode:2015isad.conf...26Z. doi:10.1109/ISADS.2015.13. ISBN 978-1-4799-8260-8.
  20. ^ a b Miller, Daniel; Zhou, Zhengyuan; Bambos, Nicholas; Ben-Gal, Irad (2018). "Sensing-Constrained Power Control in Digital Health". 2018 Annual American Control Conference (ACC). pp. 4213–4220. doi:10.23919/ACC.2018.8431675. ISBN 978-1-5386-5428-6. S2CID 52020398.
  21. ^ Garcia, P. (December 2011). "A Methodology for the Deployment of Sensor Networks". IEEE Transactions on Knowledge and Data Engineering. 11 (4).
  22. ^ O'Donovan, Tony; O'Donoghue, John; Sreenan, Cormac; Sammon, David; O'Reilly, Philip; O'Connor, Kieran A. (2009). "A Context Aware Wireless Body Area Network (BAN)" (PDF). Proceedings of the 3d International ICST Conference on Pervasive Computing Technologies for Healthcare. doi:10.4108/ICST.PERVASIVEHEALTH2009.5987. S2CID 14131365. Archived (PDF) from the original on 2016-10-09. Retrieved 2016-06-05.

Further reading

[edit]
[edit]

Source: Wikipedia. Article content is retrieved live through the MediaWiki API.

Wikipedia

Body area network

A body area network (BAN), also referred to as a wireless body area network (WBAN), a body sensor network (BSN) or a medical body area network (MBAN), is a wireless network of wearable computing devices. BAN devices may be embedded inside the body as implants or pills, may be surface-mounted on the body in a fixed position, or may be accompanied devices which humans can carry in different positions, such as in clothes pockets, by hand, or in various bags. Devices are becoming smaller, especially in body area networks. These networks include multiple small body sensor units (BSUs) and a single central unit (BCU). Despite this trend, decimeter (tab and pad) sized smart devices still play an important role. They act as data hubs or gateways and provide a user interface for viewing and managing BAN applications on the spot. The development of WBAN technology started around 1995 around the idea of using wireless personal area network (WPAN) technologies to implement communications on, near, and around the human body. About six years later, the term "BAN" came to refer to systems where communication is entirely within, on, and in the immediate proximity of a human body. A WBAN system can use WPAN wireless technologies as gateways to reach longer ranges. Through gateway devices, it is possible to connect the wearable devices on the human body to the internet. This way, medical professionals can access patient data online using the internet independent of the patient location.

MORE →
Wikipedia

Kaveh Pahlavan

Kaveh Pahlavan (Persian: کاوه پهلوان born in Tehran, Pahlavi Iran), was a Professor of Electrical and Computer Engineering and Computer Science and the director of the Center for Wireless Information Network Studies (CWINS), Worcester Polytechnic Institute, Worcester, Massachusetts. Pahlavan started doing research on Wi-Fi when it was in its infancy, and has worked on wireless indoor geolocation, and Body Area Networking. He contributed to numerous technical publications and holds a number of patents in these areas. His current area of research is opportunistic application of RF signals from wireless devices for gesture and motion detection as well as authentication and security.

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Wikipedia

IEEE 802.15.6

The IEEE 802.15.6 standard is the latest international standard for Wireless Body Area Network (WBAN). WBAN supports a variety of real-time health monitoring and consumer electronics applications. The latest international standard for WBAN is the IEEE 802.15.6 standard which aims to provide an international standard for low power, short range, and extremely reliable wireless communication within the surrounding area of the human body, supporting a vast range of data rates for different applications. Short-range, wireless communications in the vicinity of, or inside, a human body (but not limited to humans) are specified in this standard. It uses existing industrial scientific medical (ISM) bands as well as frequency bands approved by national medical and/or regulatory authorities. Support for quality of service (QoS), extremely low power, and data rates up to 10 Mbps is required while simultaneously complying with strict non-interference guidelines where needed.

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Wikipedia

Medical Device Radiocommunications Service

The Medical Device Radiocommunications Service (MedRadio) is a specification and communication spectrum created for and set aside by the U.S. Federal Communications Commission (FCC) for the communication needs of diagnostic and therapeutic medical implants and body-worn medical devices. Devices operating on MedRadio include cardiac pacemakers, defibrillators, neuromuscular stimulators, and drug delivery systems. As of February 2016, communications spectrum for these and other similar devices is set aside at various points in the 400 MHz frequency band, as well as the 2360-2400 MHz band, though specifically for medical body area network (MBAN) devices. The specification supersedes and incorporates a previous specification called the Medical Implant Communication Service (MICS). The specification and nearly identical spectrum have also been created by the European Telecommunications Standards Institute (ETSI), with the specification largely referred to as MICS/MEDS (Medical Data Service) in Europe and other parts of the world.

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TOPIC OF THE DAY

Greenwood / Black Wall Street

Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.

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TRIVIA QUESTION OF THE DAY

Which Black woman became the first elected to the United States Congress?

Shirley Chisholm, elected in 1968.