dual-hop
Multiple UAVs as relays : multi hop single link versus multiple dual hop links
... carefully chosen for their best relaying performances. Similar problem has been studied for the conventional relaying system. To name a few, reference [23] studied the optimal relay assignment and placement to minimize ...
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Outage probability of fixed gain dual hop relay selection channels with heterogeneous fading
... a dual-hop fixed-gain amplify-and-forward relay system performing single relay ...(3) dual-hop selection, where the end-to-end SNR is ...
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Modeling Energy Consumption of Dual Hop Relay Based MAC Protocols in Ad Hoc Networks
... incorporated by replacing slow single-hop transmission by fast dual-hop transmissions. This means that the source, after acquiring the medium, transmits to a relay first at a higher rate and the ...
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Performance analysis of dual hop satellite relay networks with hardware impairments and co channel interference
... As described above, we find that it is significant to ana- lyze the impact of hardware impairments and CCI on the satellite relay communication network in shadowed- Rician channel. Until now, to the best of the authors’ ...
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Performance Analysis of Multibranch Dual Hop Nonregenerative Relay Systems with EGC in Nakagami m Channels
... multibranch dual-hop wireless communication systems with nonregenerative relays and equal gain combiner (EGC) at the destination over independent Nakagami-m fading channels is ...
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Dual-hop transmissions with fixed-gain relays over Generalized-Gamma fading channels
... In this paper, the end-to-end performance of dual-hop wireless communication systems with fixed-gain relays operating over GG fading channels was evaluated. A novel closed-form expression for the moments of ...
7
Impact of Antenna Correlation on a New Dual Hop MIMO AF Relaying Model
... Cooperative relay networks have been the focus of a flurry of research activities and standard deployment [1–5]. The use of multiple antennas at the source, relay, and/or destination of relay networks offers significant ...
14
LLR based coded performance analysis of cognitive dual hop BICM systems
... More recently, the probabilistic characterization of reliability metrics in the context of conventional relay- ing schemes was presented in [4]. On the other hand, the coded performance analysis of two-hop ...
8
Dual Hop Ostbc Transmission Over Rayleigh Fading Channel For Regenerative System
... the destination. Several time slots are employed during the transmission of each STBC matrix. For an Alamouti STBC, cooperative relay network with single relay system and two receive antennas can be looked as a virtual ...
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Performance analysis of fixed gain AF dual hop relaying systems over Nakagami m fading channels in the presence of interference
... In this article, we have provided a thorough investiga- tion on the performance of interference-limited fixed- again AF dual-hop relaying systems in Nakagami-m fad- ing channels. Exact expressions were ...
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Enhancing the efficiency of constrained dual hop Variable gain AF relaying under Nakagami m fading
... Consider the system shown in Fig. 1. The system comprises of a source node (S), a destination node (D) and M variable- gain AF relay nodes (R). The source node is connected to the destination node through a ...
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Dual hop MIMO relaying with OSTBC over doubly correlated Nakagami m fading channels
... of dual-hop amplify-and-forward multiple-input multiple-output relaying system with orthogonal space-time block code transmissions over doubly-correlated Nakagami-m fading channel, where the source, relay, ...
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Beamforming for Dual-Hop Satellite Communications Against Eavesdropping
... downlink BF for secure Satcom is considered. Actually, the satellite is often adopted as a relaying node, which receives signals from a source terminal through uplink channel and forward them to the destination terminal ...
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Performance analysis of multiuser dual hop satellite relaying systems
... In this paper, we consider a dual-hop satellite relaying network with multiple users, where both the uplinks and downlinks follow the SR fading. By applying OS scheme at the uplinks and selection combining ...
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Transmission capacity for dual hop relaying in wireless ad hoc networks
... a dual-hop relaying in the presence of both noise and interference simultaneously, allowing a Poisson interference ...of dual-hop relay had an error floor in high density of transmitting nodes ...
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Nonregenerative Dual Hop Cooperative Links with Selection Diversity
... A dual-hop relaying system operating over independent and nonidentical Nakagami-m fading channels is illustrated in Figure 1. The source terminal S communicates with the des- tination terminal D not only ...
8
Dual Hop Relay with Cooperative Diversity and Relay Selection
... Abstract- As wireless communication becomes more prevalent, the demand for higher data rates and uninterrupted connectivity is increasing. Future wireless systems are provisioned to be highly heterogeneous and ...
5
Training based channel estimation algorithms for dual hop MIMO OFDM relay systems
... Abstract—In this paper, we consider minimum-mean-square error (MMSE) training-based channel estimation for two-hop multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) relaying ...
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Performance Evaluation of Two Hop Wireless Network under Asymmetric Fading Environment
... st hop S-R) and relay detects the signal with amplification sending it to the destination (known as 2 nd hop R-D) ...ways, dual hope, multi hope, and multi cast) over symmetric fading channels is ...
7
An iterative pilot-data-aided estimator for SFBC relay-assisted OFDM-based systems
... The estimation methods of the previously referred work were based on pilots or training sequences. However, the channels present in a cooperative scenario can also be esti- mated or aided using the energy of the ...
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