In this paper we focus our attention in the main two methods of Cooperative Communications: Decode and Forward, and Amplify and Forward, and how they can be used in a new concept of Cooperative Satellite Communications. We present an analysis of both in terms of Symbol Error Rate and Power Allocation and analyze which would be more efficient when relaying information from the satellite to a mob...

In this paper, we study the performance of dual hop relaying in which the best relay selected by partial relay selection will help the source-destination link to overcome the channel impairment. Specifically, closed-form expressions for outage probability, symbol error probability and achievable diversity gain are derived using the statistical characteristic of the signal-to-noise ratio. Numeri...

In this paper, the performance of decode –and-forward relaying over multiple fading channels is been analyzed. Here at first overviewed traditional relaying techniques and compared it with coded cooperative relaying. BER performance the different schemes are analyzed and the results shows that coded cooperative relaying give better performance in terms of BER analysis. A new technique called ne...

Considered is a spectrum-sharing network consisting of a primary user and a secondary decode-and-forward relaying system with a direct source-destination link, then a transmit antenna selection (TAS) scheme for the secondary relaying system are investigated over Rayleigh fading channels, and an exact closed-form expression for the outage probability are derived. Furthermore, Monte Carlo simulat...

Proposed is a novel ergodic capacity formula for decode-and-forward (DF) relaying over a very general fast fading channel model, i.e. the channel gains of the links follow independent but non-necessarily identically distributed Nakagami-m distributions. The proposed formula is validated by Monte Carlo simulations and can be computed efficiently. Since the considered channel model is very genera...

ABSRACT: The cost incurred on installation for broadband data for consumer has made the power line communication the technology to be considered for the provision. As appropriate as this medium is, the challenges inherent in it makes high-speed transmission unreliable, as signal propagated through it suffers attenuation, experiences multipath and bewitchment of noise. This causes depreciation o...

Intelligent reflecting surface (IRS) has recently emerged as a new solution to enhance wireless communication performance via passive signal reflection. In this letter, we unlock the potential of IRS controller in relaying information and propose novel IRS-assisted system with both reflection active relaying. Specifically, jointly optimize time allocations for decode-and-forward (DF) by beamfor...

In this paper, we adopt the relay selection (RS) protocol proposed by Bletsas, Khisti, Reed and Lippman (2006) with Enhanced Dynamic Decode-and-Forward (EDDF) and network coding (NC) system in a two-hop two-way multi-relay network. All nodes are single-input single-output (SISO) and half-duplex, i.e., they cannot transmit and receive data simultaneously. The outage probability is analyzed and w...

Performance of multi-hop MIMO relay channels under the amplify-and-forward and decode-and-forward protocols are compared via the capacity and SNR gains. In an N hop channel of linear topology with multi-antenna source and destination and single-antenna relay nodes, the capacity gain of the DF relaying over the AF one does not exceed log2N bit/s/Hz and its SNR gain does not exceed N , for any ch...

In this paper, a multi-antenna assisted full-duplex (FD) relaying scheme with reliability-aware iterative decoding at the destination node is proposed to improve system spectral efficiency and reliability. This scheme allows the multi-antenna based FD relay node cancel the self-interference with QR-decomposition and forward its decoded signal to the destination node regardless the decoding erro...