Optimal and simple near optimal non‐coherent detection in amplify‐and‐forward two‐way relaying over fast fading channels

Masjedi, Maryam; Doost-Hoseini, Ali Mohammad; Gazor, Saeed

doi:10.1049/iet-com.2016.1312

Cited by 1 publication

(2 citation statements)

References 22 publications

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“…(19) and (20) It can be observed that, conditioned on and , the conditional mean, and variance of the decision variables are computed as: (21) where represents the expectation and ( 22)…”

Section: Performance Analysis Of Selection Combinermentioning

confidence: 99%

“…Therefore, a group of fixed gains has been determined in [12][13][14][15][16][17][18] so as to obtain the statistical knowledge of the communication channel. Most of the existing literature on differential transmission networks [19] assume a flat-fading environment [20]. Though, this consideration is unjustified as cooperative communications are mainly applied in the wireless mobile system, whereby the users are mobile.…”

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confidence: 99%

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Selection Combiner in Time-Varying Amplify Forward Cooperative Communication

Ai Ling,

Zen

2021

IJIE

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This research presents the diversity combining schemes for Multiple Symbol Double Differential Sphere Detection (MSDDSD) in a time-varying amplify-and-forward wireless cooperative communication network. Four diversity combiners, including direct combiner, Maximal Ratio Combiner (MRC), semi MRC and Selection Combiner (SC) are demonstrated and explained in details. A comprehensive error probability and outage probability performance analysis are carried through the flat fading Rayleigh environment for semi MRC and SC. Specifically, error performance analysis is obtained using the PDF for SC detectors. Finally, power allocation expression based on error performance minimization approach is presented for the proposed SC performance optimization. It is observed that the performance analysis matches well with the simulation results. Furthermore, the proposed SC scheme offers better performance among the conventional MRC and direct combiner schemes in the presence of frequency offsets.

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“…(19) and (20) It can be observed that, conditioned on and , the conditional mean, and variance of the decision variables are computed as: (21) where represents the expectation and ( 22)…”

Section: Performance Analysis Of Selection Combinermentioning

confidence: 99%