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Doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.11 and 802.15 Review Presented at Spread-Spectrum.

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Presentation on theme: "Doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.11 and 802.15 Review Presented at Spread-Spectrum."— Presentation transcript:

1 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.11 and 802.15 Review Presented at Spread-Spectrum Workshop August 14-15, 2000 Baltimore MD.

2 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Agenda Overview of IEEE 802 Current IEEE 802.11 Standard New Developments within IEEE 802.11 Developments within IEEE 802.15 Next Meetings Questions and Answers

3 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802 IEEE Established in 1884 (AIEE & IRE) IEEE December 1999 Membership was 360,000; 66% USA & 33% Non-USA IEEE produces 30 percent of the world's published literature in electrical engineering, computers and control technology, IEEE holds annually more than 300 major conferences and IEEE has more than 800 active standards with 700 under development.

4 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE Standards Association Chair SEC (17) VOTING MEMBERSHIP (500) IEEE 802 SPONSOR US TAG ISO/IEC JTC1/SC6 APPEALS PRESS RELEASES RULES COMPUTER SOCIETY SAB NESCOM – PARS REVCOM – STDS PATENTS IEEE-SA STDS BD IEEE-SA BD OF GOV PUBLISHING LMSC BALLOTS SUPPORT TRAINING IEEE STDS STAFF

5 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Objectives of IEEE 802 Enable IEEE 802 to develop consensus standards that benefits the World Wide Networked Society. Maintain the imperative principals of due process, consensus,openness, balance and rights of appeal. Electronic distribution of standards.

6 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802 Organization Executive Officers Working Group Officers = Active = Hibernation = Disbanded = Wireless

7 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Current IEEE 802.11 Standard Wireless Local Area Networks (WLAN) Medium Access Control (MAC) Layer Currently includes five Physical (PHY) Layers Frequency Hopping Spread Spectrum Direct Sequence Spread Spectrum Infrared 11 Mbps in 2.4 GHz 54 Mbps in 5 GHz

8 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 MAC Layer Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) Infrastructure Network (Access Point) Ad-Hoc Network (No Access Point) Automatic Repeat Request (ARQ) Power Saving Mode Wireless Equivalent Privacy (WEP) MAC Management

9 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 FHSS Physical Layer 2.4 GHz ISM Band 1 and 2 Mbps 2 or 4 level Gaussian FSK 79 channels Hopping Rate > 2.5 hops/sec. 1 Watt maximum (100 - 500 mw typical)

10 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 DSSS Physical Layer 2.4 GHz ISM Band 1 and 2 Mbps Differential Binary and Quadrature PSK Processing Gain: 11 chips per bit. Three 20 MHz channels in ISM Band. 1 Watt maximum (100 - 500 mw typical)

11 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 11 Mbps in 2.4 GHz (TGb) Extension to original DSSS Includes 5.5 and 11 Mbps modes Backward compatible with original DSSS Uses Complementary Code Keying (CCK) modulation Three channels within 2.4 GHz Band Uses Existing MAC Layer

12 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 54 Mbps in 5 GHz Operates in the U-NII 5 GHz band Uses Orthogonal Frequency Division Multiplexing (OFDM) Modulation Information on multiple subcarriers Many data rates depending on modulation on subcarriers and FEC From 6 to 54 Mbps Uses Existing MAC Layer

13 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Industry Supporting Org. Wireless Ethernet Compatibility Alliance (WECA) To insure OEM products are compliant to IEEE 802.11 b 2.4 GHz 11 Mbps standard Wi-Fi certification To ensure interoperability between multi- vendor products compliant to IEEE 802.11b 2.4 GHz 11 Mbps standard

14 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 802.11 New Developments MAC Layer Enhancements (TGe) Add Quality of Service to support voice Enhance Security beyond WEP Inter-Access Protocol (TGf) Define a standard protocol between access points to support features like roaming handoff Higher Rate Study Group Increase 2.4 GHz system to > 20 Mbps

15 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 Standards for Wireless Personal Area Networks (WPANs TM ) Short-range Low Power Low Cost Small networks (e.g. 8-16 nodes) Communication of devices within a Personal Operating Space

16 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 802.15.1 (Standard) IEEE Standard of Bluetooth™ Specification 802.15.2 (Recommended Practice) Model and Facilitate Coexistence of WPAN & WLAN devices 802.15.3 (Standard) A High-Rate (> 20 Mbps) WPAN Radio2 Study Group Track Bluetooth2 and recommend an action. Low Rate Study Group Raw Data Rate = 2Kb/sec to 200Kb/sec

17 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15

18 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15

19 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 Process Status Idea for standard Find Sponsor Submit PAR Approve PAR Organize Task Group Develop draft standard Ballot draft standard Approve draft standard Publish approved standard Radio2 SG Low Rate SG Task Group 3 Task Group 2 Task Group 1

20 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 Draft Status Write scope and purpose Examine related standards and publications Draft outline Fill in outline Revise, revise, revise Finalize document Radio2 SG Low Rate SG Task Group 3 Task Group 2 Task Group 1

21 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 Task Group 1 IEEE 802.15 Task Group 1 is converting the Bluetooth Specification into an IEEE Standard Convert to IEEE Format Adding System Description Language (SDL) diagrams Letter Ballots, Comments, and Comment Resolution.

22 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE Task Group 1 802.10 SECURITY *802 OVERVIEW & ARCHITECTURE 802.1 MANAGEMENT 802.2 LOGICAL LINK CONTROL 802.1 BRIDGING 802.9 MAC 802.9 PHY 802.11 MAC 802.11 PHY 802.12 MAC 802.12 PHY 802.14 MAC 802.14 PHY 802.15 MAC 802.15 PHY 802.3 MAC 802.3 PHY 802.4 MAC 802.4 PHY 802.5 MAC 802.5 PHY 802.6 MAC 802.6 PHY DATA LINK LAYER PHY LAYER 802.16 MAC 802.16 PHY Source: IEEE Std P802.15.1 D0.7.2

23 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Focus on L2CAP and Below Physical LMP WAEvCard/vCal AT Commands TCS BINSDP Audio WAP IP UDPTCP OBEX RFCOMM Host Controller Interface PPP L2CAP Baseband Source: IEEE Std P802.15.1 D0.7.2

24 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Task Group 1 Deliverables PAR Related Deliverables June 2001 - IEEE-SA distribution channels IEEE Std 802.15.1-2001 Includes SDL Model Files for above Non-PAR Related Deliverables December 2000, via IEEE-Press Bluetooth™ Pocket Guide, Volume 1, etc. June 2001 - IEEE-SA distribution channels IEEE 802.15 Handbook: A Designer's Companion

25 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 Task Group 2 Problem: Both IEEE 802.11 and Bluetooth operate in the same 2.4 GHz ISM Band. Problem: Bluetooth enabled devices will likely be portable and will need to operate in an IEEE 802.11 WLAN environment. Problem: There will be some mutual interference

26 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Task Group 2 Deliverables Coexistence Model Model describing the mutual interference of WLAN and WPAN upon one another. Coexistence Mechanisms Mechanisms or techniques to facilitate coexistence of WLAN and WPAN devices. Both to be documented in an IEEE Recommended Practice

27 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Model The purpose of this model is: To understand under what circumstance there is a coexistence problem and under what circumstances there is not a problem. To develop supporting evidence to justify the recommended suggested practices and possible standards modifications.

28 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Model PHY Layer Models MAC Layer Models Data Traffic Models RF Propagation Models Coexistence Model

29 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Model Physical Layer Models Models of the 802.11 and 802.15 PHY layers which will predict the impact of mutual interference when multiple devices are operating simultaneously. Currently modeling PHY in MatLab.

30 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Model MAC Layer Models Model the WLAN and WPAN MAC layers. Currently modeling in Opnet 802.11 Model available Building 802.15 model

31 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Model Data Traffic Model Model the data traffic flow based upon different application scenarios for both the WLAN and WPAN networks Voice traffic File transfer Warehouse data collection Video & Others

32 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Model RF Propagation Model Model RF signal power levels at the different WPAN and WLAN nodes based on an RF propagation model. Consider different application scenarios and physical distribution of devices

33 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Mechanisms Coexistence Mechanisms Facilitate Coexistence of WPAN & WLAN devices We will be doing a Call for Submission of Coexistence Mechanisms in September. Presentations are planned for November 2000 January 2001

34 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Coexistence Mechanisms Collaborative Mechanisms Some form of communication between the WLAN and WPAN Use this link to provide sharing of medium Non-Collaborative Mechanisms No communication between WLAN and WPAN Minimize mutual interference

35 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 IEEE 802.15 Task Group 3 Define a standard for a WPAN with a data rate of at least 20 Mbps Must coexist with 802.11 and Bluetooth Desirable to be backward compatible with Bluetooth Held a call for submissions over last few months Submissions were made in May and July

36 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Task Group 3 The submissions covered Physical Layer MAC Layer Both Total of 14 submissions Developed an Evaluation Criterion Currently performing evaluation

37 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Task Group 3 Broad Range of Submissions 2.4 GHz Wide Band FSK Wide Band QPSK Wide Band QPSK and QAM 5 GHz Hyper-PAN Ultra Wide Band (UWB) Xtreme Spectrum

38 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 802.15 Radio2 Study Group Provide formal reports to the WG, updating the membership on the BT 2.0 Specification Liaison from 802.15 to Bluetooth SIG. Provide a plenary week tutorial to IEEE 802. Target November 2000. If warranted, develop PAR and Five Criteria

39 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Low-Rate WPAN Study Group Put together a Project Authorization Request (PAR) for a low-rate WPAN Less than 200 kbps Support at least 16 nodes in a network 10 meters range Battery life of months to infinite Low cost relative to target device

40 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Low-Rate WPAN Study Group Applications Sensors & Actuators Toys Smart Badges Health Monitoring Computer Peripherals Remote Control Home Automation Automatic Meter Reading

41 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 More Information Bob O’Hara and Al Petrick, The IEEE 802.11 Handbook: A Designers Companion, IEEE Press, 1999. www.ieee802.org/11/ www.ieee802.org/15/

42 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Next 802.11 & 802.15 Meeting Joint IEEE 802.11 & 802.15 Interim Meeting September 18-22, 2000 Scottsdale Arizona, Radisson Resort & Spa.

43 doc.: IEEE 802.15-00/280r0 Submission Steve Shellhammer, Symbol Technologies, Inc. August 2000 Questions and Answers Any Questions?

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