Packet transmission time in 802.11: Difference between revisions
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(First version of 802.11b table) |
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== Frame exchange duration for a unicast data frame and the acknowledgement frame == |
== Frame exchange duration for a unicast data frame and the acknowledgement frame == |
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{| {{prettytable}} <hiddentext>generated with [[:de:Wikipedia:Textverarbeitung/EXCEL-Tabellenumwandlung]] V14<\hiddentext> |
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|- valign="bottom" |
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| width="15,75" Height="12,75" | |
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| width="177,75" | Payload in bytes: |
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|style="background-color:#99CC00" width="45,75" align="center" | 1500 |
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| width="45,75" | |
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| width="45,75" align="center" | |
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| width="45,75" align="center" | |
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| width="45,75" align="center" | |
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| width="45,75" align="center" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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| width="45,75" | |
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|- valign="bottom" |
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| Height="12,75" | |
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| Data transmission bitrate (802.11b/g): |
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| |
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| |
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|style="background-color:#CCFFCC" align="center" | 1 Mbps |
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| align="center" | |
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| |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#CCFFCC" align="center" | 2 Mbps |
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| align="center" | |
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| |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#CCFFCC" align="center" | 5.5 Mbps |
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| align="center" | |
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| |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#CCFFCC" align="center" | 11 Mbps |
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| align="center" | |
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|- valign="bottom" |
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| Height="25,5" | |
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| |
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| |
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| align="center" | Bitrate (Mbit/s) |
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| align="center" | Length (bits) |
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| align="center" | Time (μs) |
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| |
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| align="center" | Bitrate (Mbit/s) |
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| align="center" | Length (bits) |
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| align="center" | Time (μs) |
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| |
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| align="center" | Bitrate (Mbit/s) |
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| align="center" | Length (bits) |
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| align="center" | Time (μs) |
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| |
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| align="center" | Bitrate (Mbit/s) |
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| align="center" | Length (bits) |
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| align="center" | Time (μs) |
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|- valign="bottom" |
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| Height="12,75" | |
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| DIFS |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 50 |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 50 |
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| |
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| |
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| align="center" | |
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| align="right" | 50 |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 50 |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | D |
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| PHY header: PLCP preamble |
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| |
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| align="center" | 1 |
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| align="center" | 144 |
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| align="right" | 144 |
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| |
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| align="center" | 1 |
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| align="center" | 72 |
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| align="right" | 72 |
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| |
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| align="center" | 1 |
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| align="center" | 72 |
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| align="right" | 72 |
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| |
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| align="center" | 1 |
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| align="center" | 72 |
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| align="right" | 72 |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | A |
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| PHY header: PLCP header |
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| |
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| align="center" | 1 |
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| align="center" | 48 |
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| align="right" | 48 |
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| |
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| align="center" | 2 |
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| align="center" | 48 |
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| align="right" | 24 |
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| |
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| align="center" | 2 |
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| align="center" | 48 |
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| align="right" | 24 |
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| |
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| align="center" | 2 |
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| align="center" | 48 |
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| align="right" | 24 |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | T |
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| MAC headers (ad-hoc mode: 28 Bytes) |
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| |
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| align="center" | 1 |
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| align="center" | 224 |
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| align="right" | 224 |
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| |
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| align="center" | 2 |
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| align="center" | 224 |
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| align="right" | 112 |
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| |
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| align="center" | 6 |
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| align="center" | 224 |
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| align="right" | 41 |
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| |
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| align="center" | 11 |
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| align="center" | 224 |
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| align="right" | zus. |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | A |
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| MAC body |
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| |
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| align="center" | 1 |
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| align="center" | 12000 |
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| align="right" | 12000 |
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| |
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| align="center" | 2 |
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| align="center" | 12000 |
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| align="right" | 6000 |
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| |
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| align="center" | 6 |
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| align="center" | 12000 |
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| align="right" | 2182 |
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| |
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| align="center" | 11 |
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| align="center" | 12000 |
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| align="right" | 1112 |
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|- valign="bottom" |
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| Height="12,75" | |
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|style="font-weight:bold" align="right" | tx time data: |
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| |
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| align="center" | |
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| align="center" | |
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|style="font-weight:bold" align="right" | 12466 |
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| |
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| align="center" | |
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| align="center" | |
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|style="font-weight:bold" align="right" | 6258 |
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| |
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| align="center" | |
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| align="center" | |
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|style="font-weight:bold" align="right" | 2369 |
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| |
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| align="center" | |
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| align="center" | |
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|style="font-weight:bold" align="right" | 1258 |
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|- valign="bottom" |
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| Height="12,75" | |
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| SIFS |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 10 |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 10 |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 10 |
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| |
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| align="center" | |
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| align="center" | |
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| align="right" | 10 |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | A |
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| PHY header: PLCP preamble |
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| |
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| align="center" | 1 |
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| align="center" | 144 |
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| align="right" | 144 |
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| |
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| align="center" | 1 |
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| align="center" | 72 |
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| align="right" | 72 |
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| |
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| align="center" | 1 |
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| align="center" | 72 |
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| align="right" | 72 |
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| |
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| align="center" | 1 |
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| align="center" | 72 |
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| align="right" | 72 |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | C |
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| PHY header: PLCP header |
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| |
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| align="center" | 1 |
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| align="center" | 48 |
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| align="right" | 48 |
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| |
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| align="center" | 2 |
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| align="center" | 48 |
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| align="right" | 24 |
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| |
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| align="center" | 2 |
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| align="center" | 48 |
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| align="right" | 24 |
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| |
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| align="center" | 2 |
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| align="center" | 48 |
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| align="right" | 24 |
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|- valign="bottom" |
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|style="background-color:#33CCCC;font-weight:bold" Height="12,75" | K |
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| MAC headers |
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| |
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| align="center" | 1 |
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| align="center" | 112 |
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| align="right" | 112 |
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| |
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| align="center" | 2 |
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| align="center" | 112 |
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| align="right" | 56 |
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| |
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| align="center" | 6 |
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| align="center" | 112 |
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| align="right" | 21 |
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| |
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| align="center" | 11 |
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| align="center" | 112 |
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| align="right" | 11 |
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|- valign="bottom" |
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|style="font-weight:bold" Height="12,75" | |
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|style="font-weight:bold" align="right" | tx time ack: |
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| |
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|style="font-weight:bold" align="right" | |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="right" | 314 |
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| |
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|style="font-weight:bold" | |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="right" | 162 |
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| |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="right" | 127 |
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| |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="right" | 117 |
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|- valign="bottom" |
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|style="font-weight:bold" Height="12,75" | |
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|style="font-weight:bold" align="right" | tx time data + ack: |
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| |
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|style="font-weight:bold" align="right" | |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#99CC00;font-weight:bold" align="right" | 12780 |
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| |
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|style="font-weight:bold" | |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#99CC00;font-weight:bold" align="right" | 6420 |
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| |
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|style="font-weight:bold" align="center" | |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#99CC00;font-weight:bold" align="right" | 2496 |
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| |
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|style="font-weight:bold" | |
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|style="font-weight:bold" align="center" | |
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|style="background-color:#99CC00;font-weight:bold" align="right" | 1375 |
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|} |
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Revision as of 19:43, 22 February 2007
Frame exchange duration for a unicast data frame and the acknowledgement frame
| Payload in bytes: | 1500 | ||||||||||||||||
| Data transmission bitrate (802.11b/g): | 1 Mbps | 2 Mbps | 5.5 Mbps | 11 Mbps | |||||||||||||
| Bitrate (Mbit/s) | Length (bits) | Time (μs) | Bitrate (Mbit/s) | Length (bits) | Time (μs) | Bitrate (Mbit/s) | Length (bits) | Time (μs) | Bitrate (Mbit/s) | Length (bits) | Time (μs) | ||||||
| DIFS | 50 | 50 | 50 | 50 | |||||||||||||
| D | PHY header: PLCP preamble | 1 | 144 | 144 | 1 | 72 | 72 | 1 | 72 | 72 | 1 | 72 | 72 | ||||
| A | PHY header: PLCP header | 1 | 48 | 48 | 2 | 48 | 24 | 2 | 48 | 24 | 2 | 48 | 24 | ||||
| T | MAC headers (ad-hoc mode: 28 Bytes) | 1 | 224 | 224 | 2 | 224 | 112 | 6 | 224 | 41 | 11 | 224 | zus. | ||||
| A | MAC body | 1 | 12000 | 12000 | 2 | 12000 | 6000 | 6 | 12000 | 2182 | 11 | 12000 | 1112 | ||||
| tx time data: | 12466 | 6258 | 2369 | 1258 | |||||||||||||
| SIFS | 10 | 10 | 10 | 10 | |||||||||||||
| A | PHY header: PLCP preamble | 1 | 144 | 144 | 1 | 72 | 72 | 1 | 72 | 72 | 1 | 72 | 72 | ||||
| C | PHY header: PLCP header | 1 | 48 | 48 | 2 | 48 | 24 | 2 | 48 | 24 | 2 | 48 | 24 | ||||
| K | MAC headers | 1 | 112 | 112 | 2 | 112 | 56 | 6 | 112 | 21 | 11 | 112 | 11 | ||||
| tx time ack: | 314 | 162 | 127 | 117 | |||||||||||||
| tx time data + ack: | 12780 | 6420 | 2496 | 1375 |