= Channel Characterization =
Most of these videos were edited using Apple's Final Cut Studio. To view the source video files (the ".mov" files linked below), you will need Apple's free [http://www.apple.com/quicktime/download/ QuickTime] software. All of the embedded videos here use the excellent [http://www.jeroenwijering.com/?item=JW_FLV_Media_Player JW FLV Media Player]. To view the embedded videos, you need a recent version of the [http://www.adobe.com/products/flashplayer/ Adobe Flash Player] browser plugin
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= Channel Characterization =
=== Figures 1 - 7000 Packets ===
The following video demonstrates good and bad packets.
Black signifies a good packet.
Red signifies a bad packet.
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//Download source video file: [//video_files/fig_1.mov figure_1.mov] (54MB)
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=== Figures 1 Image - 7000 Packets ===
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=== Figures 2 - 7000 Packets ===
The following video demonstrates each packet, regardless of good or bad.
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Download source video file: [//video_files/fig2.mov figure_2.mov] (60MB)
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=== Figures 2 Image - 7000 Packets ===
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The data used in this program: [//video_files/PacketData_7000.m PacketData_7000.m] (60MB)
The m-file for creating these videos: [//video_files/step_plotter.m step_plotter.m]
The m-file for creating these images: [//video_files/plotter.m plotter.m]
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=== ACE Emulator, Pedestrian A - 10,000 Packets ===
The below figure is for Velocity 0 km/h in the ACE emulator
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The below figure is for Velocity 25 km/h in the ACE emulator
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Download Pedestrian A m-file: [http://warp.rice.edu/trac/raw-attachment/wiki/Channels/Pedestrian_A.zip Pedestrian_A.zip] (50 MB)
This contains data PacketInfo_Vel#.m for the emulation with velocities of 0, 25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275 km/h, file new_plotter.m for plotting time differences between packets received and for comparing frequence against db, and a file load_data.m which loads all files and plots all files.
=== ACE Emulator, Vehicle A - 10,000 Packets ===
Download Vehicle A m-file: [http://warp.rice.edu/trac/raw-attachment/wiki/Channels/Vehicle_A.2.zip Vehicle_A.zip ] (50 MB)
This contains data PacketInfo_Vel#.m for the emulation with velocities of 0, 25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275 km/h, file new_plotter.m for plotting time differences between packets received and for comparing frequence against db, and a file load_data.m which loads all files and plots all files.
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When loading a PacketInfo_Vel#.m file, the variables are:
'''NodeIDs <2x10000>'''
-1st row is the partner ID
-2nd row is the Antenna ID.
-10,000 is the total number of packets
'''PacketData <7x10000>'''
-1st row is time stamp in seconds
-2nd row is time stamp in microseconds
-3rd is goodPackets
-4th is otherBadPackets
-5th is partnerBadPackets
-6th is rxBytes
-7th is txBytes
'''Sec <1x10000>'''
-1st row is time stamp in seconds
'''USec <1x10000>'''
-1st row is time stamp in microseconds
'''chanBB <1x10000>'''
-1st row is chanEstsStruct agc_BB
'''chanRF <1x10000>'''
-1st row is chanEstsStruct agc_RF
'''chanEstsI <64x10000>'''
-Rows represent chanEstsStruct I component
'''chanEstsQ <64x10000>'''
-Rows represent chanEstsStruct Q component
'''pkStatus <1x10000>'''
-1st row is the Packet Status
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All the specifications for these models may be found at:
ITU ITU-R M.1225, “Guidelines for evaluations of radio transmission technologies for IMT-2000,” 1997.