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System Simulator >
System Component Models >
IEEE802dot11a >
PSDU Generator, 802.11a (PSDU11A)

PSDU Generator, 802.11a (PSDU11A)

Property	Description	Units	Default	Range/Type
MODULATION	Modulation Type	None	0	[0, 3]/Integer
CODING	Coding Rate Type	None	0	[0, 2]/Integer
NUM_OCTETS	Number of octets	None	100	[1, Inf]/Integer
SEED	Random seed	None	0	[0, Inf)/Integer
ROUT	Output impedance	Ohm	0	[0, Inf)/Real
Ports
Input	PSDU bit stream (integer)

Limits

Notes

1. This model can be used to generate IEEE 802.11a PSDU bit stream.

2. The PSDU Generator generates random binary sequence, taking the value 1 or 0 with equal probability. The number of bits equals Num_Octets x 8.

3. The output bit rate is determined by the first two parameters, Modulation and Coding, as shown in Table I.

Table I IEEE 802.11a Rate-dependent parameter

Data rate (Mbits/s)	Modulation	Coding rate (R)	Coding bits per subcarrier (N_BPSC)	Coding bits per OFDM symbol (N_CBPS)	Data bits per OFDM symbol (N_DBPS)
6	BPSK	1/2	1	48	24
9	BPSK	3/4	1	48	36
12	QPSK	1/2	2	96	48
18	QPSK	3/4	2	96	72
24	16-QAM	1/2	4	192	96
36	16-QAM	3/4	4	192	144
48	64-QAM	2/3	6	288	192
54	64-QAM	3/4	6	288	216

Netlist Form

PSDU11A:NAME n1 n2 [MODULATION =val] [CODING =val]
+ [NUM_OCTETS =val] [SEED =val] [ROUT=val]

Netlist Example

PSDU11A:1 1 2 MODULATION = 2 CODING= 2 NUM_OCTETS = 200 SEED=17427

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).

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