Hi Harald, Can you suggest how do I implement the L1 source? Regards
On Fri, Sep 16, 2011 at 11:58 AM, John Wu <[email protected]> wrote: > Hi Harald, > yeah, the hardware is layer0, then I will also implement L1 code in PC > side. > I have download osmo-bts source but I dont very understand the source > architecture. can you introduce the architecture or if there is a design > document. > I need to know where should I implement my L1 code. and the interface with > higher layer. > > > On Mon, Sep 5, 2011 at 7:19 PM, Harald Welte <[email protected]> wrote: > >> Hi John, >> >> On Mon, Sep 05, 2011 at 05:20:17PM +0800, John Wu wrote: >> >> > We are just planning on this project which use usb based sdr board and >> > will be open design and source. >> >> In that case, what do you plan to use as layer1? A simple SDR board >> only implements "Layer 0", but what about layer1? >> >> osmo-bts and openbsc implement layers >= 2. >> >> So what is your plan for L1 ? >> > >> > sounds like sysmocom already working on this. >> >> sysmocom is not building a USB based SDR, but a complete embedded BTS >> product (picocell). That's quite something different. >> >> And while osmo-bts and openbsc are free software available in source >> code, the sysmoBTS L0 (hardware) and L1 (FPGA+DSP image) are not. >> >> So by all means, don't be discouraged from building more hardware that >> interoperates with GSM related Free and Open Source software! > > >> Regards, >> Harald >> -- >> - Harald Welte <[email protected]> >> http://laforge.gnumonks.org/ >> >> ============================================================================ >> "Privacy in residential applications is a desirable marketing option." >> (ETSI EN 300 175-7 Ch. >> A6) >> > >
