On Mon, Oct 9, 2017 at 10:53 AM, Dave Taht <dave@taht.net> wrote:
>
> <erik.taraldsen@telenor.com> writes:
>
> > Half duplex is the term you are looking for
> > https://en.wikipedia.org/wiki/Duplex_(telecommunications)
>
> "A duplex communication system is a point-to-point system composed
> of two connected parties or devices that can communicate with one
> another in both directions."
>
> wifi is not p2p, all data is broadcast to many potential recievers,
> only one can transmit at one time.
>
> Saying that is half duplex, doesn't work for me. In their example of
> "half duplex", (using push to talk), it still means that everybody on
> that channel hears who is talking. "half duplex" to me, given the
> definition of duplex, means more that there is a *p2p* channel (a wire),
> that you can ping pong data across.
>
> This conflation of ideas has always bugged me and I've longed to find
> another word that more accurately describes what happens, therefore
> I've been saying "non-duplex".

Isn't wi-fi adequately described as a combination of frequency and time
domain multiplexing? In my mind, "multiplex" would be better than "
non-duplex", since using the latter could reasonably be interpreted as
"anything not duplex".




--
Andrew Shewmaker