Changes between Version 44 and Version 45 of 802.11/wlan_exp/app_notes/dcf_with_multiple_flows


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Timestamp:
Apr 21, 2014, 11:02:34 PM (10 years ago)
Author:
murphpo
Comment:

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  • 802.11/wlan_exp/app_notes/dcf_with_multiple_flows

    v44 v45  
    101101== Characterizing Collisions ==
    102102
    103 ||||=  '''Flow 1'''  =||
     103||||=  '''Time Offsets of Colliding Packets - Flow 1'''  =||
    104104||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_1.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_1.png, width=300)]]  ||
     105||  '''Carrier Sensing Enabled'''  ||  '''Carrier Sensing Disabled'''  ||
     106
     107
     108||||=  '''Time Offsets of Colliding Packets - Flow 2'''  =||
     109||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_2.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_2.png, width=300)]]  ||
     110||  '''Carrier Sensing Enabled'''  ||  '''Carrier Sensing Disabled'''  ||
     111
     112
     113||||=  '''Time Offsets of Colliding Packets - Flow 3'''  =||
     114||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_3.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_3.png, width=300)]]  ||
     115||  '''Carrier Sensing Enabled'''  ||  '''Carrier Sensing Disabled'''  ||
     116
     117
     118||||=  '''Time Offsets of Colliding Packets - Flow 4'''  =||
     119||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_4.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_4.png, width=300)]]  ||
    105120||  '''Carrier Sensing Enabled'''  ||  '''Carrier Sensing Disabled'''  ||
    106121
    … …  
    109124----
    110125
    111 
    112 
    113 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_1.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_2.png, width=300)]]  ||
    114 
    115 
    116 
    117 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_1.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_2.png, width=300)]]  ||
    118 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_3.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_4.png, width=300)]]  ||
    119 
    120 
    121 
    122 
    123 
    124 
    125 
    126 
    127 [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_cw_vs_time.png, width=500)]]
    128 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_cw_vs_time.png, width=600)]]  ||
    129 ||  '''Rx Power vs. Time''  ||
    130 
    131 
    132 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_1.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_2.png, width=300)]]  ||
    133 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_3.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_coll_flow_4.png, width=300)]]  ||
    134 
    135 
    136126||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_collision_retx.png, width=600)]]  ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:cs_1sec.png, width=600)]]  ||
    137127||  '''Collisions (Zoomed)'''  ||  '''Collisions (1 second)'''  ||
    138 
    139 == Experiment 2: Disabled Physical Carrier Sensing ==
    140 
    141 === Experiment Details ===
    142  * Packet Length: 1400 byte payloads (1428 bytes OTA with MAC header and FCS)
    143  * PHY Rate: 18 Mbps
    144  * Tx Power: -5 dBm
    145  * Trial Duration: 300 seconds
    146  * Channel 1
    147  * Physical Carrier Sensing Threshold: 1023/1023
    148 
    149 
    150 === Results ===
    151 
    152 
    153 
    154 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_1.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_2.png, width=300)]]  ||
    155 ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_3.png, width=300)]]  || [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_coll_flow_4.png, width=300)]]  ||
    156 
    157128
    158129||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_collisions_zoom.png, width=600)]]  ||  [[Image(wiki:802.11/wlan_exp/app_notes/dcf_with_multiple_flows/figs:no_cs_1sec.png, width=600)]]  ||
    159130||  '''Collisions (Zoomed)'''  ||  '''Collisions (1 second)'''  ||
    160131
    161 == Resources ==
     132
     133= Resources =
    162134
    163135Links to the data sets and experiment scripts used to perform this study will be posted shortly.