BI-AWGN channel

Group: Baseband > Channel

Encodes and applies additive white Gaussian noise to the input bits, and transmits outputs as unsigned 8-bit softbits (LLRs).

Parameters

Information rate (R)

• Description: Number of information bits per symbol. A rate 1/2 code would have a rate of 0.5
• Automation reference: InformationRate
• Enablement: SNRSpecification in [EbN0, EsN0]
• Type: real

Noise Level

• Description: Simulated noise level.
• Automation reference: NoiseLevel
• Unit: dB
• Type: real

Output Type

• Description: MISSING
• Automation reference: OutputType
• Type: enumeration

Identifier	Value	Description
HardBit	Hard bits	Packed in bytes
SoftBitU8	Soft bits (unsigned 8bit)
SoftBitF32	Soft bits (32bit float)

Acquisition

SNR Specification

• Description: How to specify the SNR
• Automation reference: SNRSpecification
• Type: enumeration

Identifier	Value	Description
SNR	SNR	Signal-to-noise ratio
EbN0	Eb/N0	Energy per bit to noise power spectral density
EsN0	Es/N0	Energy per symbol to noise power spectral density