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Bluetooth Interference with 802.11 DS: MAC Simulation Results

This document presents the results of a MAC simulation study on the interference between Bluetooth and 802.11 DS networks, aiming to assist further coexistence studies.

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Bluetooth Interference with 802.11 DS: MAC Simulation Results

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Bluetooth Interference with 802.11 DS: MAC Simulation Results Date Submitted: 18 January, 2001 Source: Nada Golmie Company: National Institute of Standards and Technology Address: 100 Bureau Drive, Mail Stop 8920, Gaithersburg, Maryland, U.S.A. Voice: +1 301 975 4190, FAX?, E-Mail: nada@nist.gov Re: 0 Abstract:Bluetooth Interference with 802.11 DS: MAC Simulation Results Purpose: The information in this document should be used to further TG2 coexistence studies. Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. NOTE: -01/077r0 WAS MODIFIED BY IANG TO ADD THIS TEMPLATE Nada Golmie, NIST

  2. IEEE P802.15 Working Group for Wireless Personal Area Networks Bluetooth Interference with 802.11 DS: MAC Simulation Results Nada Golmie National Institute of Standards and Technology Gaithersburg, MD 20899 USA Nada Golmie, NIST

  3. Outline • Simulation Experiment Setup • Topology • Parameters • Traffic models • Results • Summary Nada Golmie, NIST

  4. Simulation Parameters for Bluetooth Interference on 802.11 DS (11 Mbits/s) Length of Simulation Run 30 seconds Bluetooth Parameters WLAN Parameters 1.25 ms 1.86ms DM1 Packet Interarrival Time Packet Interarrival Time Load 50% Load 50% HV1 Packet 25 mW Transmitted Power (0,15) AP Coordinates (Source) 1mW Transmitted Power (0,d) (1,0) Mobile Coordinates (Sink) Master Coordinates 224 bits Packet Header (0,0) Slave Coordinates 20 us Slot Time 10 us SIFS 50 us DIFS 31 CW_min 1023 CW_max None RTS Nada Golmie, NIST

  5. Simulation Parameters for 802.11 DS (11 Mbits/s) Interference on Bluetooth Length of Simulation Run 30 seconds Bluetooth Parameters WLAN Parameters 1.25 ms 1.86ms DM1 Packet Interarrival Time Packet Interarrival Time 50% 50% Load Load 25 mW HV1 Packet Transmitted Power (0,15) AP Coordinates (Sink) 1mW Transmitted Power (0,d) Mobile Coordinates (Source) Slave Coordinates (0,0) Packet Header 224 bits Master Coordinates (7,0) 20 us Slot Time SIFS 10 us 50 us DIFS CW_min 31 1023 CW_max None RTS Nada Golmie, NIST

  6. Traffic Model Nada Golmie, NIST

  7. Performance Measurements • Measurements are performed at the Baseband: • Probability of packet loss • Mean access delay • Residual number of errors in Bluetooth voice packets. Nada Golmie, NIST

  8. Packet Loss at Bluetooth Slave with 802.11 DS Interference Nada Golmie, NIST

  9. Access Delay for Bluetooth Slave with 802.11 (11Mbits/s) Interference Nada Golmie, NIST

  10. Residual Number of Errors for Bluetooth Slave with 802.11 (11Mbits/s) Interference Nada Golmie, NIST

  11. Packet Loss for 802.11 (11 Mbits/s) with Bluetooth Interference Nada Golmie, NIST

  12. Access Delay for 802.11 (11 Mbits/s) with Bluetooth Interference Nada Golmie, NIST

  13. Next Step • Complete MAC Simulation Results for the following devices: • Bluetooth (LD, Viterbi ?) • WLAN Direct Seqence (1, 11 Mbits/s) • WLAN Frequency Hopping (1 Mbits/s) Nada Golmie, NIST

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