Performance of Ad-Hoc Wireless Network on 2.4GHz Band in Real Fields

Kushiro,; Katsukura,; Nakata,; Toshiyasu,; Ogaki,

doi:10.1109/icce.2008.4588060

Cited by 3 publications

(2 citation statements)

References 1 publication

(2 reference statements)

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“…5,6 Wireless network is most susceptible to multipath fading, and effects of multipath fading always exists in the wireless network. 7,8 In multipath fading channel, it is difficult to identify modulation schemes correctly and we cannot receive the right information. 9 Therefore, modulation classification in multipath channel is the key technology of signal processing in wireless network.…”

Section: Introductionmentioning

confidence: 99%

Wavelet transform and cyclic cumulant based modulation classification in wireless network

Dou

2019

International Journal of Distributed Sensor Networks

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With the development of Internet of things, a large number of embedded devices are interconnected by ad hoc and wireless network. The embedded devices can work correctly, only by ensuring correct communication between them. Identifying modulation scheme is the precondition to ensure the correct communication between embedded devices. However, in the multipath channel, ensuring the correct communication between embedded devices is a great challenge. Multipath channel always exists in the wireless network. However, most of the available modulation classification algorithms are based on ideal channel. It leads to the low-modulation classification probability in multipath channel. To resolve this problem, we propose a novel modulation classification algorithm. The proposed algorithm can classify signal without prior information about multipath channel. We calculate feature by high-order cyclic cumulant and wavelet transform. The feature is robust to multipath channel. The simulation results show that the proposed algorithm can achieve the much better classification accuracy than the available method in multipath channel.

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Section: Introductionmentioning

confidence: 99%

Wavelet transform and cyclic cumulant based modulation classification in wireless network

Dou

2019

International Journal of Distributed Sensor Networks

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“…Those standards are widely adopted by consumer devices for indoor environments and they cause interference for the IEEE 802.15.4-compliant devices. In addition, microwave ovens can cause interference in the same ISM band [4][5][6]. Interference issues can be very severe with the increasing number of devices operating in the 2.4 GHz ISM band since 2.4 GHz is the only global ISM band.…”

Section: Introductionmentioning

confidence: 99%

PRESCIENT: A predictive channel access schemefor IEEE 802.15.4-compliant devices considering IEEE 802.11 coexistence

Coplu¹,

Oktuğ²

2015

Turk J Elec Eng & Comp Sci

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Abstract:Coexistence is among the most significant challenges for IEEE 802.15.4-compliant devices in indoor environments. Previous works have shown that IEEE 802.11-compliant devices are the major sources of interference in the 2.4GHz industrial, scientific, and medical band. In order to overcome the coexistence problem, IEEE 802.15.4-compliant devices should monitor the communication channel and access the channel when it is not in use. In this study, the impact of IEEE 802.11 traffic on IEEE 802.15.4 communication is analyzed and a novel predictive channel access scheme, PRESCIENT (PREdictive channel access SCheme for IEee 802.15.4-compliaNT devices), is proposed. The performance evaluation of the proposed scheme is performed using real-world radio frequency signal strength measurements. The results show that the proposed scheme achieves significant performance improvement in terms of channel access under IEEE 802.11 interference.

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Design and implementation of terminal system based on the next generation FMC using Wi-Fi and WiBro

Choi¹,

Ryu²,

Jin³

2010

Iccas 2010

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Performance of Ad-Hoc Wireless Network on 2.4GHz Band in Real Fields

Cited by 3 publications

References 1 publication

Wavelet transform and cyclic cumulant based modulation classification in wireless network

Wavelet transform and cyclic cumulant based modulation classification in wireless network

PRESCIENT: A predictive channel access schemefor IEEE 802.15.4-compliant devices considering IEEE 802.11 coexistence

Design and implementation of terminal system based on the next generation FMC using Wi-Fi and WiBro

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