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Table 2 Relaying protocols (RP) summary. The second column T represents the Type, where R and L represents Regenerative and Linear relaying protocols types

From: Dynamic rate and channel use allocation for cooperative wireless networks

Relaying protocol

Type

Method

References

Decode-and-forward (DF)

R

Obliged to wait to decode all sources before starting relaying

[5, 9, 26]

Selective decode-and-forward (SDF)

R

Can switch to relaying before decoding all sources

[22], This Work

Dynamic decode-and-forward (DDF)

R

Switching point between listening and relaying is not fixed

[27]

Compress-and-forward (CF)

R

An estimated version of the received signal is transmitted

[28, 29]

Compute-and-forward (CoF)

R

Uses noisy linear combination to decode transmitted messages

[30, 31]

Quantize-map-and-forward (QMF)

R

A quantized version of the signal is transmitted

[32]

Amplify-and-forward (AF)

L

Repetition code, transmitting amplified version of the signal

[33, 34]

Coded cooperation (CC)

L

Uses partition of the codewords of each transmitting node

[35]

Non-orthogonal AF (NOAF)

L

Uses AF for NOMA to serve primary and secondary users

[36]