IEEE 802.11-16 Random Access Parameter Set Proposal
"Explore the proposal for a Random Access Parameter Set element in IEEE 802.11-16 standard to facilitate UL OFDMA-based random access operations. The presentation covers signaling parameters and mechanisms for efficient random access transmission."
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September 2016 doc.: IEEE 802.11-16/1224r0 UL OFDMA-based Random Access Parameter Set (RAPS) element Date: 2016-09-12 Authors: Name Affiliation Address Phone Number E-mail Chittabrata Ghosh Intel Corporation +1-415-244-8904 chittabrata.ghosh@i ntel.com Robert Stacey Intel Corporation Kiseon Ryu LGE Jeongki Kim LGE Jayh Park LGE Yunbo Li Huawei Submission Slide 1 Chittabrata Ghosh, Intel
September 2016 doc.: IEEE 802.11-16/1224r0 Abstract In this contribution, we propose an element for signaling of parameters needed for the operation of UL OFDMA-based random access Submission Slide 2 Chittabrata Ghosh, Intel
September 2016 doc.: IEEE 802.11-16/1224r0 Goal of the presentation The IEEE SFD 11-15/0132r15 mentions about the following mechanism to be defined: An AP indicates the value of OCWmin used by all STAs for the random RU allocation process for the next UL MU OFDMA transmissions. The value of OCWmin is transmitted through a dedicated field in the beacon frame. Submission Slide 12 Chittabrata Ghosh, Intel
September 2016 doc.: IEEE 802.11-16/1224r0 Proposed Comment Resolution CID Page Number Line Number Comment Proposed Change 600 25.10.3 60 48 The standard shall provide a mechanism to change Trigger- based Random access contention parameters on the fly Either introduce a new information element or extend the format of the trigger frame 2384 25.10.3 47 3 OCWmin is used by STA, but the mechanism of delivering OCWmin to STA is not defined. Define Propose to define the parameters for UL OFDMA-based random access in Random Access Parameter Set (RAPS) element Submission Slide 4 Chittabrata Ghosh, Intel
September 2016 doc.: IEEE 802.11-16/1224r0 Proposed Random Access Parameter Set element format Element ID Length Element ID Extension OCW Range Octets 1 1 1 1 We propose the Random Access Parameter Set element (RAPS) with the following subfields Element ID: Defined as in baseline REVmc_6.0 Length: Defined as in baseline REVmc_6.0 Element ID Extension: Defined as in baseline 11ax Draft 0.4 OCW Range: This field indicates the minimum and maximum values of the OCW The RAPS element is carried in Beacon and Probe Response frames Submission Chittabrata Ghosh, Intel Slide 5
September 2016 doc.: IEEE 802.11-16/1224r0 Definition of the OCW Range Field in RAPS element EOCW_min EOCW_max Bits 4 4 EOCW_min: This subfield indicates the minimum value of OCW for first HE Trigger-based PPDU transmission using UL OFDMA-based random access EOCW_max: This subfield indicates the maximum value of OCW for retransmission attempts using UL OFDMA-based random access The values in the EOCWmin and EOCWmax subfields encode the values of OCWmin and OCWmax, respectively, in an exponent form and defined as: OCWmin = 2EOCWmin 1 OCWmax = 2EOCWmax 1 Submission Slide 6 Chittabrata Ghosh, Intel
September 2016 doc.: IEEE 802.11-16/1224r0 Conclusion We proposed the signaling mechanism by defining the RAPS element for operation of UL OFDMA-based random access We have provided the comment resolution to the comments received with respect to the signaling mechanism Submission Slide 7 Chittabrata Ghosh, Intel
