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Re: [802.19] LAA Liaison

Yes, and when operating under FCC Part 15.247 transmitting specifically to block other users from accessing the band is prohibited. is this a scheme applied only to licensed spectrum or is there a rationalization under which one can justify such blocking as not blocking?

Ben

On 3/15/2016 11:55 PM, Geoff Thompson wrote:
Steve-

I would assert that just transmitting carrier into a channel to "reserve" it or block others from using it is a bad idea.

IF ... there is going to be a system where a non-payload transmission is allowed to "reserve a channel" then there should be (at a minimum) some source identification associated with such a transmission.  That, of course, would require that it be in a well-known format (presumably regulated)

Geoff Thompson
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On Mar 15, 2016, at 11:34 PMPDT, Shellhammer, Steve <sshellha@xxxxxxxxxxxxxxxx> wrote:

Andrew,

 

I went through your document and put together a few comments.

 

Regards,
Steve
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Comments
I recommend that prior to the vote you indicate who are the recipients of the liaison.
For reference the previous liaisons can be found at http://ieee802.org/Communications.shtml
 
Item 1
  • When energy detection is used to determine if the channel is busy, then energy in the channel is the only way I know of to reserve the channel.  Now of course any method of reserving the channel could be considered a method of blocking others from using the channel.
  • You may want to consider changing “blocking others from using the channel” to “reserving the channel”
  • I would agree that this is likely less efficient than a short packet to reserve the channel, but it serves the same purpose.  So it is really an efficiency issue.