1. Resource Shifting in Persistent Scheduling
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IEEE C802.16maint-08/111
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John Harris, Hua Xu
Motorola, Inc
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Working group letter ballot recirc #26b, IEEE P802.16Rev2/D3
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2. Resource Shifting in Persistent Scheduling
A resource indicator bit is added in persistent IE to indicate if a repacking is activated or not
The resource repacking is related with a de-allocation and implicitly shifting ALL the allocations that have LARGER slot offset than the one that is de-allocated.
If the shift involves large number of MSs, it is more likely that one of them has MAP decoding error and therefore results in MAP re-trans.
It is desired to minimize the number of MSs involved in a shift

3. Resource Shifting in Persistent Scheduling
Add a shift direction indicator (1 bit)
0 indicates shift down MSs that have larger slot offset,
1 indicates shift up MSs that have smaller slot offset
Add a shift region indicator (variable 7-10 bits)
indicates the upper bound of the slot offset, which MSs are impacted by the shift if the shift direction indicator is set to 0
or the lower bound of the slot offset, which MSs are impacted by the shift if the shift direction indicator is set to 1.