Results 131 to 140 of about 6,071 (191)
ML for IEEE 802.15. 4e/TSCH: Energy Efficient Approach to Detect DDoS Attack Using Machine Learning
2021 International Wireless Communications and Mobile Computing (IWCMC), 2021 Internet of Things (IoT) is a way to communicate with the real world without much human involvement. It is booming in today's computing world, with billions of devices having sensors and actuators connected to the internet using various low power technologies.
Pradeepkumar Bhale +2 more
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Ad Hoc Networks, 2015 Energy efficiency has become a regular hot topic in the research on wireless communications networks. However, existing proposals leave room for improvement when multi-hop wireless broadband networks are used to provide on-demand connectivity under low traffic load conditions.
Ignacio Foche-Pérez +4 more
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IEEE 802.15 Low Power Wide Area Network (LPWAN) PHY Interference Model
2018 IEEE International Conference on Communications (ICC), 2018 Low Power Wide Area Networks (LPWAN) are an interesting technology to provide wireless connectivity to low-power and low-cost devices over large distances in license exempt frequency bands. This goal is mainly achieved by very low payload bit-rates.
Jörg Robert +3 more
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LDPC decoder design for IEEE 802.15 standard
2009 IEEE International Symposium on Circuits and Systems, 2009 This paper presents an efficient decoder design for the LDPC codes in IEEE 802.15 standard. This decoder features by high parallel level, low message memory requirement and code rate flexibility. By processing 72 columns and 72 rows in parallel, it can reach a throughput of 2.8 Gbps to fulfill the standard requirement. Furthermore, the decoder supports
Jin Sha +4 more
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Solutions for the last 10 meters: an overview of IEEE 802.15 working group on wpans
Digest of Papers. Third International Symposium on Wearable Computers, 2005 Summary form only given. This talk describes why WPANs are important, the history of the group and the standards process, the known candidate radio transmission technologies that the Working Group, via peer review and formal balloting, will choose from for their first draft standard, and a discussion of the issues of coexistence and interoperability.
Robert F. Heile
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Pre-Rake Diversity Combining for UWB Systems in IEEE 802.15 UWB Multipath Channel
IEICE Transactions on Communications, 2005 Since Ultra Wideband Impulse Radio (UWB-IR) system can resolve many paths and is thus rich in multipath diversity, the use of Rake diversity combining is very effective. In the Rake diversity combining, the bit error rate (BER) is improved with the increase of the number of fingers.
SHUNSUKE IMADA
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Proceedings of the 16th International Symposium on Power Semiconductor Devices & IC's, 2004 For Pt. 1 see ibid., p.308-9. This paper presents a millimeter-wave ad-hoc wireless access system that was proposed to IEEE 802.15.3 TG3a. The RF, IF, and baseband signal processing is described. The physical frame format and calculated system performance is presented and discussed.
R.E. Fisher +5 more
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Tracking loop for IR-UWB communications in IEEE 802.15 multi-path channels
2008 IEEE International Symposium on Circuits and Systems (ISCAS), 2008 In impulse-radio ultra-wide band (IR-UWB) communications, even a small timing error would lead to a serious degradation in system performance in the multi-path circumstance. To deal with the challenge, a novel hybrid synchronous sampling timing locked loop is proposed in this paper. Timing error detector, the crucial unit of TLL, is realized based on a
Daxian Yun +3 more
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2011 IEEE 15th International Symposium on Consumer Electronics (ISCE), 2011 The root mean square (RMS) delay spread and coherence bandwidth are examined based on measurement for a wide band human body channel. Using the results, the relation between these two wideband channel parameters is evaluated. The inter-symbol interference (ISI) effect on the performance of the frequency selective digital transmission (FSDT) is ...
Taewook Kang +5 more
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