Channel and Coding Implementation¶

After establishing a basic channel, AWGN was then added as shown on figure 5. The AWGN function has an Eb/No input, which is the target Eb/No of the signal (the Eb/No received).

Figure 2.1 Communication Diagram

In order to further improve the communication chain, coding is applied to this channel, a illustrated in figure 6. At this point, as mentioned in the limitations, synchronization between the two USRP was an issue since the received bits did not keep a fixed value, but rather kept changing (between 0 and 1) throughout the test, giving a BER of 1. For this reason, it was necessary to calculate the BER without the use of USRPs.

Figure 2.1 AWGN and Coding