Hi Damindra! Ha, you're more than welcome!
Sorry, I don't have a good reference more than the example tx_ofdm.grc and rx_ofdm.grc, the doxygen documentation to the blocks used therein and their source code, if you care for implementation details. Best regards, Marcus On 14.12.2016 01:09, Damindra Bandara wrote: > Dear Marcus, > > Thank you very much for being patient with me and answering all my > questions. I have one last question. Is there a good reference you > could recommend me to read, to understand how the current GNURadio > OFDM implementation works? > > Best regards, > Damindra > > On Tue, Dec 13, 2016 at 6:10 PM, Marcus Müller > <[email protected] <mailto:[email protected]>> wrote: > > Hi Damindra > > > On 13.12.2016 23:42, Damindra Bandara wrote: >> Dear Marcus, >> >> Thank you for your suggestion. However, according to my use >> case, I cannot do multiple transmissions at a higher layer. >> > I kind of doubt that - you're writing your own OFDM transceiver > right now, and thus you're the one currently defining the format > in which data is transported >> I have few questions about the "OFDM Carrier Allocator." >> >> 1- Can current "OFDM Carrier Allocator" support multiple streams >> using multiple channels, or you suggest me to write a new block? > As said: write a new block! > > Best regards, > Marcus > > >> 2- If the current block can support, is there any documentation I >> could refer? >> >> Thanks, >> Damindra >> >> >> >> >> On Tue, Dec 13, 2016 at 2:19 PM, Marcus Müller >> <[email protected] <mailto:[email protected]>> wrote: >> >> Dear Damindra, >> >> To me, that sounds like a higher-level problem – ie. you can >> send whatever you want across your OFDM link, and that >> includes e.g. ethernet or IP packets with different >> destinations; that would make things more flexible – you >> wouldn't have to statically assign a set of carriers to a >> single logical data stream. >> >> But you can of course also write a OFDM Carrier Allocator >> (compare tx_ofdm.grc) >> >> Best regards, >> >> Marcus >> >> On 12/13/2016 07:32 PM, Damindra Bandara wrote: >>> Dear Marcus, >>> >>> Thank you for your response. >>> >>> My objective is to send multiple streams of data. For >>> example a transmitter to use two different streams to talk >>> to two receivers. I was thinking something similar to >>> Frequency Division Multiplexing, where each stream is >>> represented using a different sub channel. >>> >>> Thank you, >>> Damindra >>> >>> -- >>> Damindra Savithri Bandara, >>> Ph.D. in Information Technology (Candidate) >>> George Mason University, >>> Fairfax, >>> Virginia >> >> >> >> >> -- >> Damindra Savithri Bandara, >> Ph.D. in Information Technology (Candidate) >> George Mason University, >> Fairfax, >> Virginia > > > > > -- > Damindra Savithri Bandara, > Ph.D. in Information Technology (Candidate) > George Mason University, > Fairfax, > Virginia
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