Changes between Version 25 and Version 26 of GEC16Agenda/WiMAX-Tutorial/Streamload/08
- Timestamp:
- 07/17/13 20:06:47 (11 years ago)
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GEC16Agenda/WiMAX-Tutorial/Streamload/08
v25 v26 3 3 == Revise, Repeat == 4 4 5 After looking at the measurements collected by the 'wxmstat' application, we realize that the signal strength on the nodes is too high. The WiMAX CINR (a measure of signal quality) is 30 dB, which is very high, and so the maximum number of SVC layers (2) is downloaded in all cases. We want a more realistic environment, so we turn down the base station transmit power from 40 dBm to 35 dBm:5 After looking at the measurements collected by the 'wxmstat' application, we realize that the signal strength on the nodes is too high. The WiMAX CINR (a measure of signal quality) is 30 dB, which is very high, and so the maximum number of SVC layers (2) is downloaded in all cases. We want a more realistic environment, so we turn down the base station transmit power from 40 dBm to 25 dBm: 6 6 7 7 8 8 {{{ 9 wget -qO- "http://wimaxrf:5052/wimaxrf/bs/set?bs_tx_power= 35"9 wget -qO- "http://wimaxrf:5052/wimaxrf/bs/set?bs_tx_power=25" 10 10 wget -qO- "http://wimaxrf:5052/wimaxrf/bs/restart" 11 11 }}} 12 12 13 Confirm that the base station power is now set to 35:13 Confirm that the base station power is now set to 25: 14 14 {{{ 15 15 wget -qO- "http://wimaxrf:5052/wimaxrf/bs/get?bs_tx_power" | xml_pp