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Decode-And-Forward

Sparsity aware multiple relay selection in large multi hop decode and forward relay networks

Sparsity aware multiple relay selection in large multi hop decode and forward relay networks

... of selected relays always improves the throughput perfor- mance because in multiple relay selection schemes and when sparse signal recovery theory is not used, it is always better to use more relays to achieve better ...

14

Joint distributed beamforming and jamming schemes in decode and forward relay networks for physical layer secrecy

Joint distributed beamforming and jamming schemes in decode and forward relay networks for physical layer secrecy

... of signal transmission [5]. Additionally, relay-aided coop- erative networks have been proved to be able to enhance the transmission security [6, 7]. In the multiple-relay net- works without the direct link from the ...

11

Based on the Stackelberg game with decode and forward protocol for physical layer security in the heterogeneous wireless networks

Based on the Stackelberg game with decode and forward protocol for physical layer security in the heterogeneous wireless networks

... In this paper, third party trustworthy cooperative relay nodes were used to help forward the information of the resource nodes. At the same time, the eavesdropping was avoided by the beamforming technology. In ...

15

Optimal Capacity Comparison of Decode And Forward Cooperative System w/wo Channel State Information

Optimal Capacity Comparison of Decode And Forward Cooperative System w/wo Channel State Information

... In this paper, the optimal channel capacity of cooperative system with or without channel state information (CSI) has been analyzed by simultaneously taking both relay location and power allocation into consideration. ...

7

A  New Practical Receiver for a Decode-and-Forward Cooperative CDMA Systems Based on a Blind λ-Combiner

A New Practical Receiver for a Decode-and-Forward Cooperative CDMA Systems Based on a Blind λ-Combiner

... This paper reaches a practical receiver model for a decode-and-forward cooperative framework. The proposed model relies on a dynamic- blind method to estimate the value of the combiner’s weight λ and adopts ...

14

Linear Information Combining on Repeat-Accumulate Codes for Decode-and-Forward Wireless Relay Channel

Linear Information Combining on Repeat-Accumulate Codes for Decode-and-Forward Wireless Relay Channel

... The initial concept of cooperative communications is using relay only as a signal amplifier from the information source node (S) to the destination node (D) or vice versa [1],[2]. The concept of the simplest protocol is ...

6

PERFORMANCE EVALUATION OF RELAYED ENHANCED LTE-ADVANCED NETWORK USING DECODE AND FORWARD PROTOCOL

PERFORMANCE EVALUATION OF RELAYED ENHANCED LTE-ADVANCED NETWORK USING DECODE AND FORWARD PROTOCOL

... In communication system, error detection and correction has importance to issue reliability and efficiency of data transmission. The convolutional encoder with Viterbi decoder is more powerful structure for ...

10

Multi relay Antennas for Energy Harvesting Cognitive Radio Networks using Energy Assisted Decode Forward Method

Multi relay Antennas for Energy Harvesting Cognitive Radio Networks using Energy Assisted Decode Forward Method

... The existing work uses energy assisted decode and forward (EDF) method to transmit information in addition to energy that are not transmitted simultaneously. To overcome this SWIPT technique has been ...

5

Modified Cooperative Subchannel Allocation Algorithms and PSO Based Power Allocation for an Alamouti Decode and Forward Relaying Protocol in Multiuser OFDMA Systems

Modified Cooperative Subchannel Allocation Algorithms and PSO Based Power Allocation for an Alamouti Decode and Forward Relaying Protocol in Multiuser OFDMA Systems

... The present work is a discussion on the performance analysis of Modified Cooperative Subchannel Allocation (CSA) Algorithms which is used in Alamouti Decoded and Forward (Alamouti DF) Re- laying Protocol for ...

18

Continuous transmit in cognitive radio systems: outage performance of selection decode and forward relay networks over Nakagami m fading channels

Continuous transmit in cognitive radio systems: outage performance of selection decode and forward relay networks over Nakagami m fading channels

... Cognitive radio is a promising technology that uses radio spectrum opportunistically and efficiently. In this paper, we present the performance of ‘Always transmit’ strategy, which consists of allowing the cognitive ...

10

Optimal power allocation to minimize ser 
		for multi relay decode and forward cooperative communication systems 
		using EMA algorithm

Optimal power allocation to minimize ser for multi relay decode and forward cooperative communication systems using EMA algorithm

... In this section, numerical results of recovery rate of the proposed method of distribution are checked. For this purpose, a participatory system of three relaying Decode and Forward system is taken into ...

8

Optimization of relay placement and power allocation for decode and forward cooperative relaying over correlated shadowed fading channels

Optimization of relay placement and power allocation for decode and forward cooperative relaying over correlated shadowed fading channels

... Recently, the concept of cooperative relaying has been adopted in next-generation mobile communication stan- dards, such as WiMAX and LTE-Advanced [1,2]. In these systems, fixed relays are deployed as intermediate nodes ...

7

Alamouti coded decode and forward protocol with optimum relay selection and power allocation for cooperative communications

Alamouti coded decode and forward protocol with optimum relay selection and power allocation for cooperative communications

... allows the source node transmitting the signal in the second time slot at the same time as the relay node is decoding and forwarding the signal that is received from the source node in the first time slot to the ...

13

Performance Analysis of OFDM-Based Decode-and-Forward Relay Network with Multiple Interferers over Rayleigh Fading Channels

Performance Analysis of OFDM-Based Decode-and-Forward Relay Network with Multiple Interferers over Rayleigh Fading Channels

... In order to simplify the analysis, we suppose that each relay uses one antenna to retransmit the signal, and K (K ∈ [0, K]) relays can properly decode the received signal from the source node among K relays. ...

15

Cascade decode and forward : spatial diversity reuse in sensor networks

Cascade decode and forward : spatial diversity reuse in sensor networks

... In the first part of the paper, the analysis obtains the error rate expressions for a Decode-and-Forward (DF) scheme that comprises of M relay nodes. This is then expanded to encompass the Cascade ...

21

Cooperative partial retransmission scheme in incremental decode and forward relaying

Cooperative partial retransmission scheme in incremental decode and forward relaying

... responds with an ACK/NACK using the feedback chan- nel. However, in the case of an NACK, the retransmis- sion process may involve the relay. According to the pre-cooperative ARQ strategy in [18], the retransmis- sions ...

13

Cognitive decode and forward relaying with successive interference cancelation

Cognitive decode and forward relaying with successive interference cancelation

... In large-scale cognitive radio networks, PUs and SUs are randomly distributed on the plane, and their locations can be modeled as an independent homogeneous Pois- son point process (PPP). The interference encountered at ...

17

Outage performance of low latency decode and forward cooperative wireless networks

Outage performance of low latency decode and forward cooperative wireless networks

... Performance analysis of DF networks was presented in [2–13]. Packet error probability approximation when turbo codes are applied was performed in [2], where the expressions for error probability were derived for AF, DF ...

10

Resource Partitioning with Beamforming for the Decode Forward Relay Networks

Resource Partitioning with Beamforming for the Decode Forward Relay Networks

... A joint power and time slot partitioning scheme based on the channel status information (CSI) is proposed for networks of multiple relays using decode and forward (DF) protocol. A set of power constraints ...

6

Selection combining for noncoherent decode and forward relay networks

Selection combining for noncoherent decode and forward relay networks

... Cooperative diversity has recently emerged as a promis- ing technique to combat fading experienced in wireless transmissions. The basic idea behind this technique is that a source node cooperates with other nodes (or ...

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