Evaluation of interference between IEEE 802.11b and Bluetooth in a typical office environment

Chandrashekhar, M. V. S.; Choi, Pilsoon; Maver, K.; Sieber, R.; Pahlavan, Kaveh

doi:10.1109/pimrc.2001.965494

Cited by 8 publications

(7 citation statements)

References 1 publication

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“…Figure 2a shows the basic concept of the interference scenario defined by the IEEE 802.15.2, for this scenario we can calculate the SIR from Eq. (1b) using transmitted power and distances of desired device, P D , R, and interfering device, P I , D. Figure 2b, shows a typical implementation of this scenario in the CWINS laboratory at the third floor of the Atwater Kent Laboratories, Worcester Polytechnic Institute, Worcester, Massachusetts [24,25]. With this scenario we can determine how close two devices should get to interfere with one another.…”

Section: Interference In Wireless Local and Personal Area Networkmentioning

confidence: 99%

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Understanding of RF Cloud Interference Measurement and Modeling

Pahlavan

2021

Int J Wireless Inf Networks

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Importance of spectrum regulation and management was first revealed on May of 1985 after the release of unlicensed ISM bands resulting in emergence of Wi-Fi, Bluetooth and many other wireless technologies that has affected our daily lives by enabling the emergence of the smart world and IoT era. Today, the idea of a liberated spectrum is circulating around, which can potentially direct wireless networking industry into another revolution by enabling a new paradigm in intelligent spectrum regulation and management. The RF signal radiated from IoT devices as well as other wireless technologies create an RF cloud causing co- and cross-interference to each other. Lack of a science and technology for understanding, measurement, and modeling of the RF cloud interference in near real-time results in inefficient utilization of the precious spectrum, a unique natural resource shared among all wireless devices of the universe in frequency, time, and space. Near real time forecasting of the RF cloud interference is essential to pursue the path to the optimal utilization of spectrum and a liberated spectrum management. This paper presents a historical perspective on the evolution of spectrum regulation and management, explains the diversified meanings of interference for different sectors of the wireless industry, and presents a path for implementing a theoretical foundation for interference monitoring and forecasting to enable the emergence of a liberated spectrum industry and a new paradigm in spectrum management and regulations.

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Section: Interference In Wireless Local and Personal Area Networkmentioning

confidence: 99%

“…One of the early studies in this area to analyze the interference among IEEE 802.11b and the Bluetooth (Fig. 3b) is reported in [24]. This study uses the IEEE 802.15.2 scenario in Fig.…”

Section: Interference In Wireless Local and Personal Area Networkmentioning

confidence: 99%

Understanding of RF Cloud Interference Measurement and Modeling

Pahlavan

2021

Int J Wireless Inf Networks

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“…Interesting work on this has been made by Golmie [9] and others [10], [11], [12], [13]. Another important thing to know is to what extend we have radio activity in the ISM band, some very useful work has been performed by Biggs et.al.…”

Section: Introductionmentioning

confidence: 99%

Latency and Packet Loss of an Interferred 802.15.4 Channel in an Industrial Environment

Delsing

Eliasson

Leijon

2010

2010 Fourth International Conference on Sensor Technologies and Applications

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Abstract-There is currently a rapid development of new types of wireless communication channels for industrial automation. This paper aims to provide some experimental data and theoretical justification on packet latency and packet loss for a wireless communication channel exposed to intentional radio interference. The intentional radio interference used in the experiments is an attempt to simulate possible future co-existence scenarios in a dense wireless communication environment at an industrial site. For the cases tested packet loses of less than 10% was obtained. Latency is shown to depend on channel access and will has a deterministic behaviour.

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“…In the literature, non-collaborative coexistence mechanisms received more attention as they are more realistic in office or home environment. Extensive schemes have been proposed to change the behavior of MAC layer, such as the distance between two systems [14,15], adaptive data rate scaling algorithm [16], etc. But the conclusions in [14][15][16] are based on experimental results, which are highly site-specific.…”

Section: Introductionmentioning

confidence: 99%

“…Extensive schemes have been proposed to change the behavior of MAC layer, such as the distance between two systems [14,15], adaptive data rate scaling algorithm [16], etc. But the conclusions in [14][15][16] are based on experimental results, which are highly site-specific. On the other hand, severe interference from the BT could cause the IEEE802.11b to scale down it to a lower data rate.…”

Section: Introductionmentioning

confidence: 99%