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TIMAC's max data rate can only reach 100kbps ??

yang zirui
Prodigy 40 points
Other Parts Discussed in Thread: TIMAC

TIMAC's max data rate can only reach 100kbps ??

I read this in TIMAC's description on the  page:

http://www.ti.com/tool/timac&DCMP=HPA_RFIC_General&HQS=Other+OT+timac

Free Evaluation Tool Description

TIMAC is an IEEE 802.15.4 Medium Access Control software stack for TI IEEE 802.15.4 transceivers and System-on-Chips.

You can use TIMAC when you:

  • Need a wireless point-to-point or point-to-multipoint solution. E.g. multiple sensors reporting directly to a master.
  • Need a standardized wireless protocol.
  • Have battery powered and/or mains powered nodes.
  • Need support for acknowledgement and retransmission.
  • Have low data rate requirements. (Around 100 kbps effective data rate.)

but when i read the pdf  "MAC Sample Application Software Design" , i found the transmit rate can be set ( in 4.1  Setting channel and Transmit rate )

i confused!

  • 0
    TI__Expert 4470 points

    Hi,

    The raw data rate on the physical channel for IEEE 802.15.4 is 250Kbps, however the achievable effective data rate is lower than this because of acknowlegdements and Protocol header overhead in packets.

    The term transmit rate that is used in that document is the interval between the packets that the application sends.

    Regards,

    Bjørn