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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Liaison report for 802.11n to Working Group 15 ] Date Submitted: [ 15 January, 2004 ] Source: [ Jason Ellis- IEEE 802.15 Liaison to 802.11n ; Company [ Staccato Communications ]

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Liaison report for 802.11n to Working Group 15] Date Submitted: [15 January, 2004] Source: [Jason Ellis- IEEE 802.15 Liaison to 802.11n; Company [Staccato Communications] Address [5893 Oberlin Drive, Suite 105, San Diego, CA 92121] Voice:[+1 (858) 472-3856], FAX: [+1 (858) 642-0161], E-Mail:[jsnellis@ieee.org] Re: [] Abstract: [802.11n liaison report for IEEE Working Group 15] Purpose: [] 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.

  2. Liaison report for 802.11n to Working Group 802.15Provides updates of major discussions and activitiesJanuary 2004 IEEE 802.15 MeetingVancouver

  3. Goals for the Week • Complete and adopt • usage models (Work in progress, time frame - March) • functional requirements (Work in progress, time frame - March) • comparison criteria (Work in progress, time frame - March) • Issue a call for proposals (Likely to happen in March-May) • TASK GROUP CHAIR ELECTION HELD IN WORKING GROUP PER WORKING GROUP RULES • Matthew Shoemake recently resigned from being 802.11n Chairman • Bruce Kramer of Globalspan Virata was elected as the new Chairman

  4. 802.11 1-2 Mbps 802.11a/g 6-54 Mbps 4G WLAN 1G WLAN 2G WLAN 3G WLAN 500 m 802.11b 5.5-11 Mbps 802.11n > 100 Mbps Range 50 m 5 m 100 kbps 1 Mbps 10 Mbps 100 Mbps 1 Gbps Maximum Data rate Need for 4G High-Speed WLANs Majoritybelieve 100-200 Mbps rates • Higher data rates • Larger range • More users • doc.: IEEE 802.11-04/0136-00-000n

  5. Technology Discussions(2 identified technology choices) Many presentationssupportingMIMO OFDM Path to 1 GBit/s WLAN ?

  6. Parallel Sequence Spread Spectrum (PSSS) Characteristics • doc.: IEEE 11-04-0076-00-000n

  7. Different Channel Codes Many discussions on coding concepts • Convolutional code memory 6 (abbreviation CC6) • Convolutional code memory 8 (CC8) • Parallel concatenated code [9], UMTS turbo code memory 3 (PCC3), random bit interleaver (over packet), 8 iterations • Serially concatenated code [10], inner memory 1, outer memory 2 code (SCC2), random bit interleaver (over packet), 15 iterations • LDPCC, regular [11] (LDREG), random edge interleaver (over packet), 40 iterations (note: 1-Rate = dv/dc) • Rate 1/2: variable node degree dv=3, check node degree dc=6; rate 3/4: dv=3, dc=12; rate 7/8: dv=3, dc=24 • LDPCC, irregular [12] (LDIRR), random edge interleaver (over packet), 40 iterations • dv,1=3 (89.74% of variable nodes), dv,2=4 (2.78%), dv,3=16 (7.48%); rate 1/2: dc=8; rate 3/4: dc=16; rate 7/8: dc=32

  8. Likely 802.11n Transmitter • Shown with 2 TX antennas channel encoder

  9. Likely 802.11n Receiver • Shown with 2 RX antennas channel decoder

  10. Contributions Related to FRCC • Throughput vs. Range Curves, 04-0040r0 (to be presented in subgroup)  • Point to point sim. …, 04-0078r0, Bjerke (to be presented in subgroup)  • Time correlated packet errors in a MAC simulation, 04-0064r0, Vlantis (to be presented in subgroup)  • Proposal for statistical channel error model (UCLA), 04-0012r1, Vlantis (to be presented in subgroup)  • Considerations for STS for MIMO-OFDM, 04-0002r2, Rosdahl, 30 minutes  • New preamble structure for AGC in a MIMO-OFDM system, 04-0046r1, Aoki, 15 minutes  • The sensitivity of performance to antenna element spacing when using 802.11n channel model, 04-0049r1, Takeda, 15 minutes  • Comments on Ergodic and Outage Capacity , 04-0015r2, Choi, 15 minutes  • Capacity of MIMO systems as a function of antenna parameters, 04-0077r0, Skafidas, 25 minutes • Japanese Frequency Regulations Related to TGn Functional Requirements, 04-0033r0, Inoue, 15 minutes • PHY Abstraction for MAC Simulation, TBD, Jechoux, 30 minutes

  11. Contributions Not related to FRCC • Practical MIMO Arch. …, 03-0999r0, Moon, 30 minutes (Tuesday or later presentation) • Thoughts on TX Spectral Mask, 04-0060r0, Hansen, 20 minutes • Different Channel Codes for 802.11n, 04-0014r0, Ten Brink, 20 minutes • 04-0016r2, Choi, 35 minutes • Parallel Sequence Spread Spectrum (PSSS), 04-0076r0, Wolf, 20 minutes (Tuesday or later) • LDPC vs. Convolutional Codes, 04-0071r0, Purkovic, 25 minutes • Low Overhead …, 04-0020r0, Faulkner, 15 minutes • 04-0003r0, Edmonston, 12 minutes • TGn Channel Models, 03-0940r2, Lanzl, 5 minutes • Pros and cons …, 04-0075r0, 20 minutes (Must be presented before Thursday) • The Performance of RS Codes in MIMO, TBD, Pen Li, 15 minutes

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