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RTOS/LAUNCHXL-CC1310: Wakeup on radio

Albert Li
Intellectual 560 points
Part Number: LAUNCHXL-CC1310
Other Parts Discussed in Thread: CC1310

Tool/software: TI-RTOS

Hi,

I'm studying CC1310 sample project  ( wakeup on radio ), but i have some question as below.

  1. The TX/RX time is too long(500ms on 50kbps data rate for one packet) when implement WOR function. Can we shorten the time?
  2. WOR only implement TX/RX driver now. Is it run base on the IEEE 802.15.4 stack you provided?
  3. In our application. Sleep device need the ultimate power saving capacity  and need to synchronize with coordinator every 60sec. Does WOR is better than the IEE802.15.4 mechanism?

  • 0
    TI__Guru**** 317180 points
    1: WOR is not time sync'ed. If the RX wakes up every 1 s, the preamble has to be long enough that you are guarantied to receive it in this window which means long TX on time. This gives low current on the RX side. If the TX send a message just a few times a day this also gives ok current consumption on the TX side.
    2: No. The stack uses time sync as far as I have understood it.
    3: Test the 15.4 stack examples. Also time sync is described here: dev.ti.com/.../time-synchronization.html and the rfSynchronizedPacketTx/ rfSynchronizedPacketRx examples in the SDK.