1. Results of MRMB Simulations
April 2009
doc.: IEEE /0528r1
May 2009
Results of MRMB Simulations
Date:
Authors:
Alex Ashley, NDS Ltd
Alex Ashley, NDS Ltd

2. April 2009
doc.: IEEE /0528r1
May 2009
Abstract
We have performed some MRMB experiments using our simulator. Document r0 contains the video resulting from an experiment. This presentation provides information on this video file.
Alex Ashley, NDS Ltd
Alex Ashley, NDS Ltd

3. Simulation Parameters
April 2009
doc.: IEEE /0528r1
May 2009
Simulation Parameters
Home
Detached house 9m x 9m x 4.8m, 2 floors, 4 rooms per floor
Outer walls: 2 layers of Brick, Plaster
Inner Walls: 2 sheets drywall*
Floors: Wood, Plaster
parameters
1 AP and 5 stations, randomly placed
11a mode, European regulatory channel & power rules, no TPC
MRG Block Ack
11n Channel model B + DARPA building material losses
Video
2 x 6Mbps video streams, streamed using multicast UDP
Full simulation from MAC upwards. At PHY, signal reception is simulated, not actual waveforms.
*AKA: gypsum board, wallboard, plasterboard, gib, rock lath, Sheetrock, gyproc
Alex Ashley, NDS Ltd
Alex Ashley, NDS Ltd

4. Video Results May 2009 April 2009 doc.: IEEE 802.11-09/0528r1 Normal
Roughly 22 lost packets in 30 seconds.
Normal
MRMB
Lost packets
Received Packets
Loss rate
Stream 1
440
15151
2.9% 1
15606
0.01%
Stream 2
160
15430
1.0%
15590 0%
Alex Ashley, NDS Ltd
Alex Ashley, NDS Ltd

5. Media Information Encapsulation Video Audio Windows Media
May 2009
Media Information
Encapsulation
Windows Media
1.8 MBits/sec
Video
Windows Media 9 (WMV3), 720x480, 30 frames/second
Audio
Windows Media (WMA2), 48KHz sample rate, 128 KBits/sec
Alex Ashley, NDS Ltd