Recent content by JJgo

  1. J

    Calculate the time taken to transmit the file over the wireless link

    ...please could you explain me the process? Thanks
  2. J

    Calculate the time taken to transmit the file over the wireless link

    Hello, I've got this question: A 16 MB file is compressed using a compression ratio of 4. The resulting compressed file is transmitted over a wireless connection that offers a maximum data rate of 1.2 Gbps. If a throughput of 60% can be achieved, and assuming there are no other transmissions...
  3. J

    Wireless communications system

    It's correct In my case: C = 20 x Log2 x (1+S/2) ...and S?
  4. J

    Wireless communications system

    Many thanks, unfortunately the question is very general, and without many formula in the book but just description and some example. The first part of the question was an example: A wireless communications system can achieve a theoretical maximum data rate of 200 Mbps using 16-QAM modulation in...
  5. J

    Wireless communications system

    Homework Statement A wireless communications system can achieve a theoretical maximum data rate of 200 Mbps using 16-QAM modulation in a 10 MHz channel and using a single spatial stream. What data rate could theoretically be achieved if the same system used 256-QAM and 8 spatial streams in a 20...
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