[Tinyos-help] Regarding 4 bit link estimation

[Xiaohui Liu]

Hi all,

I have a few questions regarding link estimation of tinyos 2.x:

1 Are they identical, the link estimator under $TOSDIR/lib/net/4bitle and
the one under $TOSDIR/lib/net/le? If yes, why bother keeping both? If no,
what is the difference between these two?

2 What is the inage field in each entry of neighbor table? Why is it
initialized to MAX_AGE, rather than 0?

3 Why is linkest_footer_t defined this way? Does it imply only one neighbor
entry can be accommodated in the footer?
typedef nx_struct linkest_footer {
  neighbor_stat_entry_t neighborList[1];
} linkest_footer_t;

I am really looking forward to your help, especially those who have played
with 4 bit link estimation. Thanks in advance.

-Xiaohui
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