• Table of contents
• Channel and Coding Implementation
  • AWGN Channel
  • Coding

Channel and Coding Implementation¶

AWGN Channel¶

After establishing a basic channel, AWGN was then added as shown on Figure 5.5. The AWGN function has an Eb/No input, which is the target Eb/No of the signal (the Eb/No received).

Figure 5.5 Communication Diagram

Coding¶

In order to further improve the communication chain, coding is applied to this channel, a illustrated in Figure 5.6. 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 5.6 AWGN and Coding