A 2.4&amp;#x00B5;W Wake-up Receiver for wireless sensor nodes with &amp;#x2212;71dBm sensitivity

Hambeck, Christian; Mahlknecht, Stefan; Herndl, Thomas

doi:10.1109/iscas.2011.5937620

Cited by 57 publications

(88 citation statements)

References 4 publications

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“…In the real world, most applications require a practical balance of this trade-off in order to respond to the desired performance. Publications like Gamm et al (2014) and Hambeck et al (2011) considered coping with that challenge. The efforts can be seen in the introduced WuRxs with −53 and −71 dBm sensitivity levels and consuming 8.4 and 2.4 µW, respectively.…”

Section: Architecture Considerationsmentioning

confidence: 99%

“…Concerning CMOS-based chips, publications have introduced prototypes with practically higher sensitivity (Pletcher et al, 2008;Hambeck et al, 2011;Huang et al, 2014) than that of other architectures. In spite of draining a considerably high current, the overall power consumption remains low since they can operate at a very low voltage.…”

Section: Technology Considerationsmentioning

confidence: 99%

“…where V D and I S are the diode's forward voltage and saturation current, n is the ideality factor, and V T is the thermal voltage (Hambeck et al, 2011). At a small signal, which represents the weak-inversion region of a MOS transistor, Schottky diodes and MOS transistors perform in a very similar manner when equally current biased.…”

Section: Technology Considerationsmentioning

confidence: 99%

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An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

Bdiri

Derbel

Kanoun

2016

J. Sens. Sens. Syst.

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Abstract. In wireless sensor networks (WSNs), batteries are unlikely to be replaced or recharged once they get depleted, because of costs and feasibility. In a typical application, sensor nodes should be accessible and able to respond within a defined period of time, especially in real-time applications. However, the idle listening of the radio wastes most of the energy since the radio transceiver is constantly active. On the other hand, putting it into sleep state disconnects the node from the network. To cope with such a challenge, an ultra-low-power radio receiver referred to as a wake-up receiver (WuRx) handles the idle listening while keeping the main radio completely off. A WuRx consumes much less power than the main transceiver and triggers an interrupt only when a packet with a user-defined address is received. Embedding such a device enables better event-triggered applications where real-time behavior is required and a longer lifetime is mandatory. The proposed WuRx features practical sensitivity and includes the minimum number of active components in order to remain within the power budget. In this paper, an ultra-low-power WuRx with a power of 7.5 µW and a sensitivity of −60 dBm is developed. The decoding process of 16 bit of a wake-up packet (WuPt) takes less than 15 ms.

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Section: Architecture Considerationsmentioning

confidence: 99%

Section: Technology Considerationsmentioning

confidence: 99%

Section: Technology Considerationsmentioning

confidence: 99%

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An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

Bdiri

Derbel

Kanoun

2016

J. Sens. Sens. Syst.

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“…In order to achieve the low-power operation and short communication delay required for battery powered WLAN devices, wake-up receivers were proposed in [11][12][13][14]. The wake-up receiver is a simple structured receiver which detects on-off keying (OOK) signals, enabling low-power operation and short transmission delay, simultaneously.…”

Section: Introductionmentioning

confidence: 99%

A Low-Power WLAN Communication Scheme for IoT WLAN Devices Using Wake-Up Receivers

Hong

Kim

2018

Applied Sciences

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Featured Application: IoT devices with wireless LAN (WLAN) communication.Abstract: In this paper, we propose a delay-and power-efficient, multi-user, low-power wireless local area network (WLAN) communication scheme for Internet of Things (IoT) WLAN devices. Extremely low-power operation is one of the key requirements of emerging IoT devices. However, the current duty-cycle-based power saving approach may incur large access delay times owing to the trade-offs between the power consumption and the access delay. In order to reduce this delay and enhance the power-saving performance, wake-up receiver-based schemes have been proposed. However, because wake-up receiver-based schemes do not consider multiuser operation in dense communication environments, large delays are inevitable in the case of multiuser operation. In order to provide extremely low-power operation and under 1-mW standby power with reduced delay, we employed the optimized multiuser transmission scheduling of IEEE 802.11ax in the proposed scheme and proper enhanced distributed channel access (EDCA) parameter settings. This is with the aim to reduce the delay caused by long wake-up times, and to avoid collisions caused by simultaneous transmission in uplink multiuser scenario. By using the proposed scheme, simultaneous IoT communication with multiple mobile IoT devices is possible while providing low-power operation. Simulation results verified the outstanding delay performance of the proposed scheme.

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“…The power consumption can be divided as follows: LNA 27 µW, BB-amplifier 14 µW, ED 5 µW, bias circuit 4 µW, frequency divider and logic 3 µW, external reference clock 1 µW. In (Hambeck et al, 2011) a direct down conversion concept is shown, the power consumption on this receiver is as follows: ED 1.25 µW, BBamplifier 0.4 µW, correlation unit 0.4 µW and the RC lowpass filter 0.2 µW. Comparing the power dissipation of these wake-up receivers shows that a very low power dissipation can be achieved with the direct conversion approach.…”

Section: Introductionmentioning

confidence: 99%

Implementation of envelope detection based Wake-Up Receiver for IEEE 802.15.4 WPAN from off-the-shelf components

et al. 2017

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Abstract. Power consumption in wireless networks is crucial. In most scenarios the transmission time is short compared to the idle listening time for data transmission, the most power is consumed by the receiver. In low latency systems there is a need for low power wake-up receivers (WuRx) that reduce the power consumption when the node is idle, but keep it responsive. This work presents a WuRx designed out of commercial components to investigate the needs of a WuRx when it is embedded in a Wireless Personal Area Network (WPAN) system in a real environment setup including WLAN and LTE communication and considering interferer rejection. The calculation necessary for the attenuation of those interferers is explained in detail. Furthermore, a system design is presented that fulfills the requirements for this environment and is build from off-the-shelf components.

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A 2.4µW Wake-up Receiver for wireless sensor nodes with −71dBm sensitivity

Cited by 57 publications

References 4 publications

An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

A Low-Power WLAN Communication Scheme for IoT WLAN Devices Using Wake-Up Receivers

Implementation of envelope detection based Wake-Up Receiver for IEEE 802.15.4 WPAN from off-the-shelf components

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A 2.4&#x00B5;W Wake-up Receiver for wireless sensor nodes with &#x2212;71dBm sensitivity

Cited by 57 publications

References 4 publications

An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

A Low-Power WLAN Communication Scheme for IoT WLAN Devices Using Wake-Up Receivers

Implementation of envelope detection based Wake-Up Receiver for IEEE 802.15.4 WPAN from off-the-shelf components

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Product

Resources

About

A 2.4µW Wake-up Receiver for wireless sensor nodes with −71dBm sensitivity

An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity

An 868 MHz 7.5 µW wake-up receiver with −60 dBm sensitivity