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Status of 802.20 Evaluation Criteria

This document provides an update on the evaluation criteria for IEEE 802.20, including sectorization, spectral efficiency, mobility modeling, higher layer protocols, control signaling, fairness criteria, and performance metrics.

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Status of 802.20 Evaluation Criteria

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  1. IEEE C802.20-03/111

  2. Status of 802.20 Evaluation Criteria IEEE 802.20 Evaluation Criteria CG IEEE 802.20 Plenary Meeting November 10-13, 2003

  3. Evaluation Criteria Status • One conference call since the November Interim • Topics discussed over the conference call: • Sectorization, definition of spectral efficiency, mobility modeling, higher layers protocol models, control signaling models, fairness criteria and performance metrics etc. • Initial consensus reached on the Fairness criteria. • Version 06 of the Evaluation criteria document available (C802.20-03/94).

  4. Sectorization andSpectral efficiency • Recommendation to use 3-sector baseline configuration. • Spectral efficiency quoted as b/s/Hz/sector • The simulation data can also be provided for other configurations such as omni-cells

  5. Mobility model • Mobility at the physical layer is taken care of by modeling fast fading corresponding to the mobile speed. • A mobility model is still needed to assess the performance of various handoff schemes.

  6. Higher Layer Protocols • Models for higher layer protocols such as HTTP, RTSP and RTP etc. as applicable for various applications.

  7. Control signaling modeling • Examples of control signaling are scheduling grants transmission, channel quality feedback, and ARQ ACK/NACK Feedback etc. • MAC states and signaling to enable state transitions modeled explicitly in the system simulations.

  8. Performance Metrics • List of performance metrics used in the evaluation is incomplete. • Input needed from the traffic modeling CG on the list of applications supported before the application specific performance metrics can be defined.

  9. New Issues • Simulation and evaluation of various channel bandwidths?

  10. Summary • Little progress due to lack of contributions • Input from the traffic models CG • Application specific performance metrics and higher layer protocols details cannot be finalized until the details on the traffic models are available. • Input from the requirements CG : • Great level of detail and specification in the SRD would help simplify the evaluation criteria task.

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