[Ns-developers] Preliminary release of NS-3 WiMAX module

Erlon Cruz sombrafam at gmail.com
Thu May 29 15:45:15 PDT 2008


Hi Jahanzeb,

Is there any perspective in to support mesh mode??

Best Regards

On Wed, May 28, 2008 at 2:38 PM, Jahanzeb Farooq <
jahanzeb.farooq at sophia.inria.fr> wrote:

> Hi all,
> It's been a while being a silent member of the mailing list. I hereby
> announce the preliminary release (version 0.9.0 ??) of the WiMAX module
> for NS-3. The module currently implements the fundamental
> functionalities of the WiMAX standard. Following is a brief outline of
> the functionalities implemented:
>
> - Generation of the MAC frames (in TDD mode) and construction and
> transmission of the key MAC management messages (namely DL-MAP, UL-MAP,
> DCD, UCD, RNG-REQ and RNG-RSP).
>
> - Creation of the burst profiles, the specific MAC layer data
> structures which define the PHY specific parameters to be used for
> receiving and transmitting.
>
> - Network entry and initialization procedure. It includes the scanning
> process where the SS (subscriber station) scans for the suitable channel
> and the initial ranging process where the SS performs a handshake with
> the BS (base station) and exchanges the set of parameters to be used in
> the network.
>
> - Creation and assignment of management and transport connections. Since
> scheduling services are not yet implemented, currently only one
> transport connection per SS is supported.
>
> - Uplink scheduler at the BS, responsible of assigning bandwidth/uplink
> allocations to SSs. Note that the uplink scheduler currently does not
> take into account bandwidth requests since the bandwidth management
> mechanism is yet to be implemented.
>
> - Simplified versions of FCFS based outbound schedulers at BS and SS.
>
> - Two different versions of the PHY layer: a basic PHY which simply
> forwards bursts ignoring any underlying PHY layer details, and a more
> complete OFDM PHY layer developed at LIP6, France, as per the WiMAX OFDM
> PHY specification. However note that OFDM PHY only uses a simplistic
> AWGN channel and no propagation/error model is currently implemented.
>
> - Simplified versions of burst profile manager and classifier. The burst
> profile manager implements the functions of creation and assignment of
> burst profiles. The classifier maps the incoming traffic to the
> connections based on the destination address.
>
> - The WiMAX Helper and tracing APIs.
>
> The module has only recently entered into its advanced development
> phase. Some of the major features yet to be implemented are scheduling
> services, service flow management and bandwidth management.
>
> For a more detailed version of the above summary please refer to the
> README file under src/devices/wimax/
>
> The code is currently located at the link below:
> http://yans.inria.fr/code/ns-3-wimax/
>
>
> Any comments or code reviews are welcomed.
>
> Thank you.
>
>
>
> --
> Jahanzeb Farooq
>
>
>


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