Sorry to bother the forum. I have made a .grc(attached) which gives me the same result.
Of course, I have to design a receiver for this MAC, and I'm stumbling in dark. On Fri, Apr 5, 2013 at 12:19 AM, Manu T S <manu.t.s...@gmail.com> wrote: > Hi Nathan, > > Thanks for the tip > I'm not sure if its same as interleaving. > Suppose I have W bandwidth, and I interleave bits of two sources. I guess > we only get effective W/2 bandwidth per source. > > > > On Fri, Apr 5, 2013 at 12:05 AM, Nathan West <nathan.w...@okstate.edu>wrote: > >> On Thu, Apr 4, 2013 at 12:45 PM, Manu T S <manu.t.s...@gmail.com> wrote: >> >>> Hi Everyone, >>> >>> I need help regarding a problem. >>> >>> It's a Multiple Access Channel problem but one of the source is offset >>> by half a symbol period. >>> >>> ######################################################## >>> source1 ---> bytes_to_chunks(1) ----> chunks_to_symbol --- >>> >>> | >>> >>> ---> black_box ---> >>> >>> | >>> source2 ---> bytes_to_chunks(1) ----> chunks_to_symbol --- >>> ######################################################## >>> >>> I want to add these to outputs such that the the symbol corresponding to >>> souce2 falls between two symbols of source1. >>> >>> There will be RRC waveform corresponding to every bit out of the source. >>> The RRC waveform corresponding to a bit in source2 should fall between RRC >>> waveform corresponding to 2 bits of source1 ( preferably at the midpoint ). >>> >>> I guess I can not do a streams to stream converter, before RRC, because >>> what that would give me a channel with twice the bandwidth of a single >>> channel. >>> >>> Should I work on a new RRC filter block with 2 inputs or is there any >>> other way to do this? >>> >>> New ideas to achieve this is also welcome. >>> >>> -- >>> Manu T S >>> >>> Unless I'm misunderstanding it sounds like you want to interleave bytes. >> >> http://gnuradio.org/doc/sphinx/gr/slicedice_blk.html?highlight=interleave#gnuradio.gr.interleave >> Available in GRC Stream Conversions>Interleave >> >> -nw >> >> > > > > -- > Manu T S > -- Manu T S
offset_mac.grc
Description: Binary data
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