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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: Need for a Partition Sequence Generator Date Submitted: November 2001 Source: Anuj Batra Company : Texas Instruments, Inc. Address: 12500 TI Boulevard , Dallas, TX 75243

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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:Need for a Partition Sequence Generator Date Submitted: November 2001 Source:Anuj Batra Company: Texas Instruments, Inc. Address: 12500 TI Boulevard, Dallas, TX 75243 Tel: 214 480 4220, FAX: 972 761 6966, E-mail: batra@ti.com Re: [] Abstract: Explaining the need for a partition sequence generator in the AFH mechanism. Purpose: Submission to Task Group 2. 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. Anuj Batra, Texas Instruments

  2. Need for a Partition Sequence Generator Anuj Batra Texas Instruments batra@ti.com Anuj Batra, Texas Instruments

  3. Partition Sequence: Why it is needed • 2.4 ISM band is already crowded: IEEE 802.11b wireless LANs, cordless phones, microwaves, etc. • It is only going to get worse: exponential increase is the number of devices obtaining FCC approval. • In the future, bad channels will have to be used in the hopping sequence. • Should design an adaptive hopping sequence that uses the bad channels intelligently. Anuj Batra, Texas Instruments

  4. Partition Sequence Generator • Partition Sequence Generator: • Future proofs the adaptive frequency hopping mechanism. • Low complexity (less than a few thousand gates). • Designed to work with both ACL and SCO traffic. • Pseudo-code already exists. • This block ensures that a new task group will NOT need to be created do deal with future interferers (devices) in the 2.4 GHz ISM band. Anuj Batra, Texas Instruments

  5. Conclusion • The Partition Sequence Generator should remain mandatory! • It future proofs the 802.15.2 AFH mechanism. • It has low complexity and a straightforward implementation is described within the document. • Pseudo-code already exists. Anuj Batra, Texas Instruments

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