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System Simulator >
System Component Models >
IEEE802dot11a >
Vitrebi Decoder, 802.11a (VDEC11A)

Vitrebi Decoder, 802.11a (VDEC11A)

Property	Description	Units	Default	Range/Type
PURPOSE	Signal field {0} DATA field {1}	None	0	[0, 1]/Integer
MODULATION	Modulation Type	None	0	[0, 3]/Integer
CODING	Coding Rate type	None	0	[0, 2]/Integer
LENGTH	Length of PSDU (number of octets)	None	100	[1, 4095]/Integer
DECISION	Hard decision {0}/ Soft decision {1}	None	0	[0, 1]/Integer
DEPTH	Trellis depth of Viterbi decoder	None	100	[0, 1]/Integer
RIN	Input impedance	Ohm	Inf	(0, Inf]/Real
ROUT	Output impedance	Ohm	0	[0, Inf)/Real
Ports
Input	Signal before encoding (real)
Output	Bits after decoding (integer)

Limits

Notes

1. This model can be used to decode the DATA field and SIGNAL field by using Viterbi algorithm, according to IEEE 802.11a standard. For details, please refer to the COD11A model.

Netlist Form

VDEC11A:NAME n1 n2 [PURPOSE =val] [MODULATION =val]
+ [CODING =val] [LENGTH =val] [DEPTH =val] [RIN=val] [ROUT=val]

Netlist Example

VDEC11A:1 1 2 MODULATION = 2 CODING= 2 LENGTH = 100 DEPTH = 200

References

1. IEEE Std 802.11a, Part 11: “Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: High-speed Physical Layer in the 5 GHz Band,” ISO/IEC 8802-11:1999/Amd 1:2000(E).

2. J. Terry and J. Heiskala, Proakis, OFDM Wireless LANs: A Theoretical and Practical Guide, Sams Publishing, 2002.

3. J. G. Proakis, Digital Communications, McGraw-Hill, 2001.

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