[STDS-802-16] General MAP and Compact MAP for HARQ operation

[Chang-Jae Lee <cjlee16@LGE.COM>]

All,

 

There are 3 MAPs in .16 specification such as General MAP(DL_MAP), Compact MAP and Compressed MAP.

 

In General MAP(OFDMA DL-MAP_IE), the burst location is indicated by several parameters(OFDMA Symbol offset, Subchannel offset, No. OFDMA Symbols and No. Subchannels).

So, the burst can be allocated rectangular form at downlink burst in the General MAP.

 

In Compact MAP, there is no parameters for indicating burst location. There is only 2 parameters(Nep, Nsch) for indicating the packet size.

So, the burst can not be allocated rectangular form at downlink burst in the Compact MAP.

It means that SS should consider previous allocation information for finding it's packet(burst) location.

 

In my understand, it seems to be some problems when HARQ SS and Non-HARQ SS are exist in the same time, in same Cell.

Because different kind of burst(one is allocated by General MAP, the other is allocated by Compact MAP) can be exist in one frame.

In that case, I think that SS can not interpret easly it's burst information.

 

My questions are here:

 

1. Can different kind of burst(one is allocated by General MAP, the other is allocated by Compact MAP) be exist in one frame ?.

   a. If then, How can SS interpret the burst information? Are there any rules for that?.

   b. If not, Do we should use separate frame for HARQ enabled SS?

 

Thanks,

 

Chang-Jae.