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MCCAOP Advertisement motivation discussion

MCCAOP Advertisement motivation discussion. Authors:. Date: 2010-12-05. Abstract. This presentation explains the concepts and motivation of MCCAOP advertisments as in the Draft 7.03 and a comparison with the mechanism as given in 11-10/814. MCCAOP Reservations, as in Draft 7.03.

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MCCAOP Advertisement motivation discussion

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  1. MCCAOP Advertisement motivation discussion Authors: Date: 2010-12-05 Dee Denteneer, Philips

  2. Abstract This presentation explains the concepts and motivation of MCCAOP advertisments as in the Draft 7.03 and a comparison with the mechanism as given in 11-10/814. Dee Denteneer, Philips

  3. MCCAOP Reservations, as in Draft 7.03 • Distribute reservations over various elements • The number of reservations per elt is limited <= 62 • Advertise at least one element regularly • Advertise changed elements regularly • If the number of elt <= 8 • identify the elts via an ID • Allows modular addition and deletion of reservations • Allows limited signalling in Beacon and Probe • Else • Signal ‘partial report‘ in element • Elements not further identified • Limited certainty at receiver; mainly to cover the case of too many reservations (i.e. More than 8*62) Dee Denteneer, Philips

  4. Changes per 814r1 • Introduce a set, and set ID • group current elements in a set • Increase # elements for a set to 16 (from 8) • Introduce Distributed or partial report over all levels of reporting mechanism: per set/ element / per report Dee Denteneer, Philips

  5. Advantages (?) • If the set is complete, • can distribute the reservations over 16 elements • Needs 2B for this in every element. • We can also increase the ID size to 1B (now 3 bits) and add 1B to every element, can then use 2^8 elements • Signals ‘incomplete’ report on many levels • Shares the limited use of the current partial report • But uses a whole Zoo of bits for this • Easy deletion of the current set of reservations • ? Dee Denteneer, Philips

  6. Suggestions • Allow >= 1 element per Advertisement frame, as per 814r1 • Allow at most 1 per Beacon and Probe Response, as per Draft(?) • Allow more than 8 elements to advertise • E.g. 2^8 • If 2^8 elements are alllowed, remove the ‘partial’ functionality • Upperbound the MaxTrackStates by 2^8 * 62 • Keep or delete the Set Sequence number (?) • First spell out advantages Dee Denteneer, Philips

  7. References • 11-10/814r1 „MCCAOP Advertisements“ • contains normative text implementing these ideas • IEEE 802.11s D7.02 Dee Denteneer, Philips

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