may 2015 submission doc.: 05-15-1082-03-00aj shiwen he, haiming wang ppdu format for ieee 802.11aj...
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May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
PPDU Format for IEEE 802.11aj (45GHz)
Authors/contributors:
Date: 2015-05-19Presenter: Shiwen HE
Slide 1
Name Company Address Phone Email
Shiwen HE
Southeast University (SEU)
2 Sipailou, Nanjing 210096, China
+86-25-5209 1653-3121 (ext.)
Haiming WANG +86-25-5209 1653-301 (ext.)
Yongming HUANG [email protected]
Guangshi YU [email protected]
Luxi YANG [email protected]
Wei HONG +86-25-5209 1650 [email protected]
Bo SUN ZTE [email protected]
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
Abstract
• This presentation describes the PPDU format for IEEE 802.11aj (45GHz) SC/OFDM PHY.
• This presentation describes the PPDU format for IEEE 802.11aj (45GHz) Control PHY
Slide 2
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
SC PPDU Format
• A SC PPDU frame is composed of the QMG SC PHY STF, the QMG SC PHY CEF, the QMG SC PHY SIG field, the optional QMG SC PHY SCTF, the SC data block and the optional training fields
• The QMG SC PHY Short Training field (STF) is composed of 10 repetitions of the sequence –Zb256(n) of length 256.
• The QMG SC PHY Channel Estimation field (CEF) is illustrated in Figure 2 for 540 MHz channel bandwidth.
• The optional training fields may be used for Beam-forming of SC
Figure 1 Format of SC PPDU
Slide 3
BLK... AGC subfields TRN-R/T subfieldsBLKSCTFSIGCEFSTF
Figure 2 CEF for QMG SC PHY 540 MHz Channel Bandwidth
+Z256-Z256 -Z256-Z256
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
-800 -600 -400 -200 0 200 400 600 800-100
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0
20
MHz
dB
SC PPDU Format
• A SC PPDU frame is composed of the QMG SC PHY STF, the QMG SC PHY CEF, the QMG SC PHY SIG field, the optional QMG SC PHY SCTF, the SC data block and the optional training fields
• Note: All fields are transmitted with SC transmission. For 1080MHz SC transmission, the STF fields, the CEF fields and the SIG fields are transmitted with duplicated style. In this situation the mask of the spectrum is illustrated in figure 3.
Figure 1 Format of SC PPDU
Slide 4
BLK... AGC subfields TRN-R/T subfieldsBLKSCTFSIGCEFSTF
Figure 3 Spectrum mask in duplicated transmission for 1080 MHz Channel Bandwidth
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
-800 -600 -400 -200 0 200 400 600 800-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
MHz
dB
SC PPDU Format
• A SC PPDU frame is composed of the QMG SC PHY STF, the QMG SC PHY CEF, the QMG SC PHY SIG field, the optional QMG SC PHY SCTF, the SC data block and the optional training fields
• The QMG SC PHY SCTF is composed of 2 repetitions of the sequence ZCZ512(n) of length 512 with a 128 CP. The QMG SC PHY SCTF is only used for 1080MHz SC transmission. In this situation the mask of the spectrum is illustrated in figure 4.
Figure 1 Format of SC PPDU
Slide 5
BLK... AGC subfields TRN-R/T subfieldsBLKSCTFSIGCEFSTF
Figure 4 Spectrum mask in QMG PHY SCTF transmission for 1080 MHz Channel Bandwidth
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
OFDM PPDU Format
• A MIMO OFDM PPDU frame is composed of the OFDM PHY STF fields, the OFDM PHY CEF field, the QMG OFDM PHY SIG field, the OFDM Long Training Field (MCTF), OFDM symbols and the optional training fields
• The QMG OFDM PHY Short Training field (STF) is composed of 10 repetitions of the sequence –Zc256(n) of length 256.
• The QMG OFDM PHY Channel Estimation field (CEF) is illustrated in Figure 6 and Figure 7 for 540 MHz channel bandwidth and 1080 MHz channel bandwidth, respectively.
• The optional training fields may be used for Beam-forming of OFDM
Figure 5 Format of OFDM PPDU
Slide 6
Figure 6 CEF for QMG OFDM PHY 540 MHz Channel Bandwidth
Figure 7 CEF for QMG OFDM PHY 1080 MHz Channel Bandwidth
Sym... AGC subfields TRN-R/T subfieldsSymMCTFSIGCEFSTF
+Z256-Z256 -Z256+Z256
+Z256-Z256 +Z256+Z256
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
Control PHY PPDU Format
• The control PHY frame is composed of the QMG control PHY STF, QMG control PHY CEF, QMG control PHY SIG, QMG control PHY Data field, and possibly AGC and TRN-R/T subfields.
• The QMG Control PHY Short Training field (STF) is composed of 10 repetitions of the sequence –Za256(n) of length 256.
• The QMG Control PHY Channel Estimation field (CEF) is illustrated in Figure 8 and Figure 9 for 540 MHz channel bandwidth and 1080 MHz channel bandwidth, respectively.
• The optional training fields may be used for Beam-forming
Figure 8 Format of Control PHY PPDU
Slide 7
Figure 8 CEF for QMG Control PHY 540 MHz Channel Bandwidth
Figure 9 CEF for QMG Control PHY 1080 MHz Channel Bandwidth
DataSIG AGC subfields TRN-R/T subfieldsCEFSTF
-Z256-Z256 +Z256+Z256
-Z256-Z256 +Z256-Z256
May 2015
Submission
doc.: 05-15-1082-03-00aj
Shiwen He, Haiming Wang
Thanks for your attention.
Slide 8