Changes between Version 29 and Version 30 of Other/Summer/2015/aSDR3
- Timestamp:
- Jul 23, 2015, 3:33:38 AM (9 years ago)
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Other/Summer/2015/aSDR3
v29 v30 36 36 <table align=center cellpadding=10 width=50%> 37 37 <tr> 38 <td><img src="http://www.orbit-lab.org/raw-attachment/wiki/Other/Summer/2015/aSDR3/OpenAirInterface.png" height= 400></td>38 <td><img src="http://www.orbit-lab.org/raw-attachment/wiki/Other/Summer/2015/aSDR3/OpenAirInterface.png" height=350></td> 39 39 </tr> 40 40 <tr> … … 110 110 There are 2 methods to approximate the SNR. 111 111 112 Method 1: Estimate the noise power by measure the received signal power when transmitter is turned off.112 * Method 1: Estimate the noise power by measure the received signal power when transmitter is turned off. 113 113 114 Method 2: Estimate the noise power by calculate the received signal variance.114 * Method 2: Estimate the noise power by calculate the received signal variance. 115 115 116 116 noise = variance = mean ( signal - mean ( signal ) ) … … 143 143 <table align=center cellpadding=10 width=50%> 144 144 <tr> 145 <td><center><img src="http://www.orbit-lab.org/raw-attachment/wiki/Other/Summer/2015/aSDR3/Exp1.3.png" height= 250><center></td>145 <td><center><img src="http://www.orbit-lab.org/raw-attachment/wiki/Other/Summer/2015/aSDR3/Exp1.3.png" height=300><center></td> 146 146 </tr> 147 147 <tr>