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Sensors implant people and create a single network

02.06.2012

The IEEE has announced a new information exchange standard, IEEE 802.15.6-2012. It is designed for the purpose of wirelessly transmitting data between very low power devices operating in close proximity to the human body. At the same time, engineers tried to minimize the impact of the human body on the performance of the wireless network, regardless of the specific implementation of devices that support IEEE 802.15.6-2012. All this will allow the development of a new generation of implantable wireless devices, accelerate the arrival and development of new technologies for tracking the state of the body, and in addition will lead to the creation of a whole range of devices of the so-called "wearable electronics" class.

The IEEE 802.15.6-2012 protocol refers to a short distance data transmission interface, but this ensures extremely low power consumption of devices and high reliability of the exchange of important information. These requirements are necessary for the operation of equipment in close proximity to the human body or even inside the body. At the same time, a sufficiently high data transfer rate is provided - up to 10 Mbit / s, which allows you to implement the most daring and revolutionary ideas.

The use of such a protocol for wireless transmission of information seems to be almost limitless. Firstly, these are all kinds of systems for monitoring the state of the body. Starting with such routine analyzes as electroencephalography, electrocardiogram, ending with constant monitoring of the main vital signs: body temperature, heart rate, pressure. Secondly, it becomes possible to create systems for the automatic "delivery" of medicines into the blood, regardless of the state of the person. For example, in diabetes mellitus, insulin would enter the bloodstream if blood glucose fell below a certain level. And these are the simplest applications that can be implemented in the shortest possible time.

This is regarding the medical application of the IEEE 802.15.6-2012 protocol. The applications of the new technology are, in fact, countless, including in revolutionary new entertainment and gaming systems. Sensors integrated into clothing can be combined into a wireless network that constantly monitors the user's movement, his location relative to surrounding objects, obtain information about the conditions in which he is, etc. Based on these data, the idea of ​​a "smart home" can be implemented at a completely different level. , with much greater comfort for the user and "anticipating" his desires.

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eMMC flash modules 24.02.2015

Samsung has announced the release of embedded drives based on eMMC 5.1 flash memory. The manufacturer emphasizes that the specification was adopted quite recently, and he already has the first products in the industry that meet its requirements.

The line includes models with a capacity of 16, 32 and 64 GB. The drive of the maximum volume in sequential read mode shows speeds up to 250 MB / s, in sequential write mode - up to 125 MB / s. Performance values ​​for random access operations reach 11 IOPS in the case of reading and 000 IOPS in the case of writing.

For comparison, we can recall the performance of 5.0 GB eMCC 64 modules released by Samsung in November 2012. Sequential read and write speeds are 260 and 50 MB/s, and random read and write performance is 5000 and 2000 IOPS. Progress, as they say, is visible to the naked eye.

Compliance with the eMMC 5.1 specification means support for command queuing, a feature first introduced in the eMMC standard, which is useful for multitasking and playing Ultra HD video. In addition, the modules support the Secure Write Protection feature, which restricts access to eMMC protected areas.

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