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PSDU Size For Receiver Sensitivity Power Level

PSDU Size For Receiver Sensitivity Power Level. Date: 2012-11-12. Authors:. Abstract. Propose PSDU size to determine receiver minimum input sensitivity level. Background and motivation.

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PSDU Size For Receiver Sensitivity Power Level

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  1. PSDU Size For Receiver Sensitivity Power Level Date: 2012-11-12 Authors:

  2. Abstract • Propose PSDU size to determine receiver minimum input sensitivity level.

  3. Background and motivation • 11ac receiver minimum input sensitivity definition is unsuitable for 11ah devices because PSDU size 4096 octets for this measurement may be too long especially for a sensor network.11ac spec document mentions [1]“The packet error rate (PER) shall be less than 10% for a PSDU length of 4096 octets with the rate-dependent input levels listed in Table 22-20. • Using same PSDU size for all modes may be preferable as 11ac says. In case of using the same PSDU size, the PSDU size has to be supported by all 11ah devices. Therefore, PSDU size should be specified by considering sensor devices because PSDU size those devices basically can handle must be the shortest one.

  4. Suitable PSDU size • In case of use case 1g (sensor network), typical packet size must be around 250 octets based on current smart utility network.(e.g. IEEE802.15.4g [2] uses this value to measure receiver sensitivity) • Typical TCP/IP packet size is up to 256 octets. 256 octets PSDU should be used for all MCSs.

  5. Summary • PSDU size 256 octets should be used to measure the receiver minimum input sensitivity for all MCSs. • Even sensor devices can support 256 octets PSDU size.

  6. References [1] Draft P802.11ac_D4.0 [2] IEEE802.15.4g-2012

  7. Straw Poll Do you agree to add the following sentence in the SFD? PER shall be less than 10% for a PSDU length of 256 octets with rate-dependent input levelsTBD. Reference 11ac spec document mentions“The packet error rate (PER) shall be less than 10% for a PSDU length of 4096 octets with the rate-dependent input levels listed in Table 22-20.

  8. Motion Move to add the following sentence in the SFD: PER shall be less than 10% for a PSDU length of 256 octets with rate-dependent input levels T.B.D

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