In TinyOS 2.0.1 the Ack LPL version should not stop sending its wake-up
transmission to the broadcast address, ensuring all nodes in the vicinity
receive the broadcast packet. The LPL layer, when sending to the broadcast
address, disables acknowledgement requests and shouldn't even check
If you get a sendDone() event and call your next send() event quickly
(within tens of milliseconds) then both radios will still be awake and you
will be communicating at 100% throughput. Both radios will remain active as
long as there is useful communication taking place. In this manner,
multiple
