Changes between Initial Version and Version 1 of Component/Demapping

Timestamp:

Feb 26, 2009, 2:01:05 PM (15 years ago)

Author:

andriami@…

Comment:

Add demapping component description

Component/Demapping

@@ +1 @@
+[wiki:Component SocLib Components General Index] 
+
+= Demapping =
+
+== 1) Functional Description ==
+
+The demapping operation consists in demodulating the inputs symbols into bits. In our system, the used demapping is a QPSK (Quadrature Phase-Shift Keying) demodulation.
+The architecture of the demapping component is presented in the figure 1. It is composed of a demapping core and a MWMR wrapper. The wrapper is used to interface the core and the MWMR controller avalaible here [wiki:Component/VciMwmrController VciMwmrController].
+
+[[Image(demapping.png,align=top,nolink)]]
+
+
+== 2) Component definition & usage ==
+
+=== Component definition ===
+
+  * source:trunk/soclib/soclib/module/ofdm_chain_components/demapping/caba/metadata/demapping.sd
+
+=== Usage ===
+
+Demapping has a ''fifo_depth'' parameter, which defines the fifo depth for the input.
+For example with a FIFO depth equal to 16 :
+        Uses('Demapping', fifo_depth = 16);
+
+== 3) CABA Implementation ==
+ 
+=== CABA sources ===
+
+ * interface : source:trunk/soclib/soclib/module/ofdm_chain_components/demapping/caba/source/include/demapping.h
+ * implementation : source:trunk/soclib/soclib/module/ofdm_chain_components/demapping/caba/source/src/demapping.cpp
+
+  
+=== CABA Constructor parameters ===
+
+{{{
+Demapping(
+     sc_module_name name,                     // Instance name
+     int ncycles)  // Number of computation cycles
+}}}
+
+=== CABA Ports ===
+
+ * sc_in<bool> '''p_resetn''' : hardware reset
+ * sc_in<bool> '''p_clk''' :  clock
+ * soclib::caba::FifoOutput<uint32_t> '''p_to_ctrl''' : interface from the demapping to the MWMR controller
+ * soclib::caba::FifoInput<uint32_t> '''p_from_ctrl''' : interface from the MWMR controller to the demapping
+
+== 4)  TLM-T Implementation ==
+
+The TLM-T implementation is not yet available.