Body Area Networks using IEEE 802.15.6 : Implementing the by Marco Hernandez, Ryu Miura, Lorenzo Mucchi

By Marco Hernandez, Ryu Miura, Lorenzo Mucchi

The industry of wearable instant clinical sensors is experiencing a swift development and the linked telecommunications companies for the healthcare region are forecast to extra elevate within the subsequent years. scientific physique region networks (MBANs) permit the mobility of sufferers and scientific group of workers through facilitating the distant tracking of sufferers being affected by continual or dicy illnesses. presently, MBANs are being brought in unlicensed frequency bands, the place the chance of mutual interference with different digital units radiating within the comparable band may be excessive. hence, coexistence is an argument on which the learn scientists have devoted a lot attempt. extremely wideband (UWB) signs supply many benefits to MBANs, and a few positive aspects of this know-how should be exploited for powerful implementation of companies. UWB might help in numerous points, like spectrum potency, power intake and coexistence. This ebook discusses the most points, and, specifically, the coexistence, of MBANs in line with the IEEE 802.15.6 normal utilizing UWB actual layer.

  • A exhaustive description of physique zone networks utilizing IEEE802.15.4 applied sciences, delivering an in-depth knowing of ways the final approach works
  • Provides knowing and perception at the use of extremely vast band applied sciences for the actual layer of physique quarter networks; low strength intake and coexistence are investigated
  • Includes companies, methodologies and effects relating to link-level and system-level reviews of physique quarter networks

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Extra info for Body Area Networks using IEEE 802.15.6 : Implementing the ultra wide band physical layer

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8. The modulating-carrier signal S(t) is a triangular waveform. Although a sine or sawtooth waveform is viable as well. 5 ) (32) Sawtooth waveform ⎩ sin(2π f sub t) Sine waveform where denotes the floor function (see Table 15). 6 where f = K 0 V is the peak frequency deviation and K 0 is the RF oscillator sensitivity in [rad/v]. The modulation index is computed as β = f / f m , where f m is the highest frequency component present in s(t). The transmission bandwidth is given approximately by the Carlson’s rule: BWFM ≈ 2(β + 1) f m .

Therefore, FM-UWB implements processing gain by increasing the transmission bandwidth of a message signal, similar to a spread-spectrum system. This constant-envelope approach, where peak power equals average power, yields a flat spectrum with steep spectral roll-off. After wideband FM demodulation (equivalent to despreading) in the receiver, the system behaves like a narrowband CP-GFSK radio from a synchronization and detection point-of-view. Due to the high processing gain, FM-UWB has robustness against interference and multipath with low implementation complexity.

Chandrakasan, System design considerations for ultra-wideband communication, IEEE Commun. Mag. 43 (2005) 114–121. S. P. 6 GHz front-end, JSSC 41 (2006) 1784–1791. [22] M. Verhelst, W. Dehaene, System design of an ultra-low power, low data rate, pulsed UWB receiver in the 0960 MHz band, in: Proceedings of the IEEE International Conference on Communication, vol. 4, 2005, pp. 2812–2817. D. W. Brodersen, An ultra-wideband transceiver architecture for low power, low rate, wireless systems, IEEE Trans.

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