1. Single User MCS Proposal
Month Year
Month Year
doc.: IEEE yy/xxxxr0
doc.: IEEE yy/xxxxr0
Single User MCS Proposal
Date:
Authors:
Slide 1
Vinko Erceg et al.
Page 1
John Doe, Some Company
John Doe, Some Company

2. Outline
Coding and modulation levels using SNR vs. mutual information calculation
PER vs. SNR simulation results
Proposed MCS
Straw poll
Vinko Erceg et al.

3. 11n MCS QAM (R=3/4 and 5/6)
MI vs. SNR for different modulation/coding levels
Modulation bits = [ ]
Rate = [1/2 1/2 3/4 1/2 3/4 2/3 3/4 5/6 3/4 5/6 ]
Vinko Erceg et al.

4. Simulation Parameters
Channel Model D
80 MHz Bandwidth
26 columns in row column interleaver
Spatial stream frequency rotation with NROT = 58
BCC encoding with single encoder
MMSE receiver
1x1 – 4x4 antenna configurations
Number of spatial streams equals number of antennas
40 ppm center frequency offset
Phase noise at -41 dBc
Uncorrelated at TX
Correlated at RX
1000 packets per SNR point
Vinko Erceg et al.

5. 256 QAM Code Rate Comparison Nss=1
Vinko Erceg et al.

6. 256 QAM Code Rate Comparison Nss=2
Vinko Erceg et al.

7. 256 QAM Code Rate Comparison Nss=3
Vinko Erceg et al.

8. 256 QAM Code Rate Comparison Nss=4
Vinko Erceg et al.

9. Proposed .11ac MCS (0-9) MCS Modulation Coding Rate BPSK 1/2 1 QPSK 2
BPSK
1/2 1
QPSK 2
3/4 3
16-QAM 4 5
64-QAM
2/3 6 7
5/6 8
256-QAM 9
Vinko Erceg et al.

10. Straw Poll
Vinko Erceg et al.

11. Straw Poll #1
Do you support adding the following item into the specification framework document, 11-09/0992?
R3.3.F: The draft specification shall include SU MCS set consisting of modulation and coding levels as defined in Table on slide 9 except MCS 9 for 20 MHz BW.
Yes: 68
No: 9
Abs: 8
Vinko Erceg et al.