Proposal for Revised 802.11ay TX Masks in January 2017
January 2017
G. Cheng et al, Peraso
Slide 1
TX Masks
Date:
2017-01-16
Authors:
January 2017
G. Cheng et al, Peraso
Slide 2
Abstract
TX Masks for 802.11ay to cover all bandwidths are
provided along with technical justification
802.11ay Masks For All Bandwidths (1)
•
Channel
BW = 1 has
the same
mask as
802.11ad
•
Revised
masks for
channel
bandwidths
2, 3, and 4
Slide 3
G. Cheng et al, Peraso
January 2017
Revised Proposal for 802.11ay Mask (2)
•
Levels remain the same as 802.11ad (0, -17, -22, and -30 dB)
•
First corner shifts by the channel spacing
•
Remaining corners scale with bandwidth (to accommodate spectral re-
growth from amplifier non-linearity)
•
1 Channel (same as 802.11ad)
•
First corner at 0.94 GHz
•
Second corner at 1.2 GHz
•
Third corner at 2.7 GHz
•
Fourth corner at 3.06 GHz
•
2 Channels
•
First corner at 2.02 GHz (i.e. 0.94 GHz+ 2.160 GHz / 2)
•
Second corner at 2.40 GHz (i.e. 2 *1.2 GHz)
•
Third corner at 5.40 GHz
•
Fourth corner at 6.12 GHz
Slide 4
G. Cheng et al, Peraso
January 2017
Revised Proposal for 802.11ay Mask (3)
•
3 Channels
•
First corner at 3.10 GHz
•
Second corner at 3.60 GHz
•
Third corner at 8.10 GHz
•
Fourth corner at 9.18 GHz
•
4 Channels
•
First corner at 4.18 GHz
•
Second corner at 4.80 GHz
•
Third corner at 10.80 GHz
•
Fourth corner at 12.24 GHz
Slide 5
G. Cheng et al, Peraso
January 2017
Proposed 802.11ay Mask (3)
•
Mean ACI level
across adjacent
channel bandwidth
is increased slightly
•
CB 1 = -19.2 dB
•
CB 2 = -16.5 dB
•
CB 3 = -15.0 dB
•
CB 4 = -13.7 dB
•
Wider bandwidth
signal PSD will scale
downward
•
Net interference is
less
Slide 6
G. Cheng et al, Peraso
January 2017
PA Distortion Results (1)
•
New results under tighter conditions
•
Rapp Model from 802.11ay Evaluation Methodology
•
Root raised cosine beta = 0.3
•
Pi/2 BPSK Modulation
•
0.5 dB back-off from P
sat
Slide 7
G. Cheng et al, Peraso
January 2017
PA Distortion Results (2)
•
CB = 1
Slide 8
G. Cheng et al, Peraso
January 2017
PA Distortion Results (3)
•
CB = 2
Slide 9
G. Cheng et al, Peraso
January 2017
PA Distortion Results (4)
•
CB = 3
Slide 10
G. Cheng et al, Peraso
January 2017
PA Distortion Results (5)
•
CB = 4
Slide 11
G. Cheng et al, Peraso
January 2017
January 2017
G. Cheng et al, Peraso
Slide 12
References
1.
Draft 802.11 RevMC, D8.0
2.
IEEE 802.11-15-0866r4 11ay Evaluation Methodology
doc.: IEEE 802.11-yy/xxxxr0
Month Year
John Doe, Some Company
Page
Detailed presentation by Gary Cheng and team from Peraso on the revised proposal for 802.11ay TX Masks in January 2017. The submission covers aspects such as mask revisions for different channel bandwidths, corner frequency shifts, ACI levels, and PA distortion results under specific evaluation conditions. The proposal aims to ensure coverage for all bandwidths and provide technical justification.
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Presentation Transcript
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks TX Masks Date: 2017-01-16 Authors: Name Gary Cheng Affiliations Address Peraso Phone email gary@perasotech.com joe@perasotech.com Joe Andonieh Peraso brad@persotech.com Brad Lynch Peraso chris@covariantcorp.com Chris Hansen Peraso Submission Slide 1 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks Abstract TX Masks for 802.11ay to cover all bandwidths are provided along with technical justification Submission Slide 2 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks 802.11ay Masks For All Bandwidths (1) Channel BW = 1 has the same mask as 802.11ad Revised masks for channel bandwidths 2, 3, and 4 Submission Slide 3 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks Revised Proposal for 802.11ay Mask (2) Levels remain the same as 802.11ad (0, -17, -22, and -30 dB) First corner shifts by the channel spacing Remaining corners scale with bandwidth (to accommodate spectral re- growth from amplifier non-linearity) 1 Channel (same as 802.11ad) First corner at 0.94 GHz Second corner at 1.2 GHz Third corner at 2.7 GHz Fourth corner at 3.06 GHz 2 Channels First corner at 2.02 GHz (i.e. 0.94 GHz+ 2.160 GHz / 2) Second corner at 2.40 GHz (i.e. 2 *1.2 GHz) Third corner at 5.40 GHz Fourth corner at 6.12 GHz Submission Slide 4 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks Revised Proposal for 802.11ay Mask (3) 3 Channels First corner at 3.10 GHz Second corner at 3.60 GHz Third corner at 8.10 GHz Fourth corner at 9.18 GHz 4 Channels First corner at 4.18 GHz Second corner at 4.80 GHz Third corner at 10.80 GHz Fourth corner at 12.24 GHz Submission Slide 5 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks Proposed 802.11ay Mask (3) Mean ACI level across adjacent channel bandwidth is increased slightly CB 1 = -19.2 dB CB 2 = -16.5 dB CB 3 = -15.0 dB CB 4 = -13.7 dB Wider bandwidth signal PSD will scale downward Net interference is less Submission Slide 6 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks PA Distortion Results (1) New results under tighter conditions Rapp Model from 802.11ay Evaluation Methodology Root raised cosine beta = 0.3 Pi/2 BPSK Modulation 0.5 dB back-off from Psat Submission Slide 7 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks PA Distortion Results (2) CB = 1 Submission Slide 8 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks PA Distortion Results (3) CB = 2 Submission Slide 9 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks PA Distortion Results (4) CB = 3 Submission Slide 10 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks PA Distortion Results (5) CB = 4 Submission Slide 11 G. Cheng et al, Peraso
January 2017 doc.: 11-17-0101-00-00ay-TX-Masks References 1. Draft 802.11 RevMC, D8.0 2. IEEE 802.11-15-0866r4 11ay Evaluation Methodology Submission Slide 12 G. Cheng et al, Peraso
