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cc2530实测数据传输速率,不要理论值250kbps.

Other Parts Discussed in Thread: CC2530

请问:cc2530跑协议栈的话,实际测试的传输速率有多少?不跑协议栈的时候呢?

  • ZigBee resides on IEEE 802.15.4 transceivers, which in the 2.4 GHz space communicate at 250 kilobits per second (kbps), but by the time retries, encryption/decryption, and the fully acknowledged mesh protocol is applied, the actual through-put is closer to 25 kbps.

  • 用TI范例serialApp实测协调者和路由器间的速率,最大速率为4KB/s,折合32kbps,

    用transmitApp实测,最大吞吐量<5KB/s,跟上面差不多。协调器和终端间的速率竟只有90Byte/s。

    可见最高速率约30kbps,serialApp默认串口波特率38400是有道理的,串口再快,无线侧也超不过这个速率。

    做串口透传,实际速度也超不过38400kbps,上更高的波特率也没意义。是这样吗?