Results 21 to 30 of about 103,505 (332)

Rateless Coding over Wireless Relay Networks Using Amplify/Decode and Forward Relays [PDF]

open access: yesJournal of Electrical and Computer Engineering Innovations, 2013
In this paper two different rateless transmissionschemes are developed. In the proposed scheme, relay node candecode and forward the message to the destination if they areable to decode it, or amplify and forward the message to thedestination.
M. Shirvanimoghaddam, S. Movassaghi
doaj   +1 more source

A New Coding Paradigm for the Primitive Relay Channel

open access: yesAlgorithms, 2019
We consider the primitive relay channel, where the source sends a message to the relay and to the destination, and the relay helps the communication by transmitting an additional message to the destination via a separate channel.
Marco Mondelli   +2 more
doaj   +1 more source

Non-linear energy harvesting based power splitting relaying in full-duplex AF and DF relaying networks: system performance analysis [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2020
Wireless power transfer is considered as a novel solution for energy harvesting in wireless communication networks. In this paper, the system performance of the non-linear energy harvesting based power splitting relaying in the full-duplex relaying ...
Tran Tin Phu   +5 more
doaj   +1 more source

Cooperative Spectrum Sensing Schemes with the Interference Constraint in Cognitive Radio Networks

open access: yesSensors, 2014
In this paper, we propose cooperative spectrum sensing schemes, called decode-and-forward cooperative spectrum sensing (DF-CSS) scheme and amplify-and-forward cooperative spectrum sensing (AF-CSS) scheme, in cognitive radio networks.
Tri-Nhu Do, Beongku An
doaj   +1 more source

Decode-and-forward cooperation as the distributed encoding and decoding

open access: yes2010 7th International Symposium on Wireless Communication Systems, 2010
The decode-and-forward relaying is studied as two problems of the distributed encoding and decoding. Specifically, in the first problem, the source and the relay employ the same channel encoding, and the objective is to find how to distribute the decoding complexity between the relay and the destination.
Saif E. A. Alnawayseh, Pavel Loskot
openaire   +2 more sources

HARQ Aided Systematic LT Coding for Amplify-Forward and Decode-Forward Cooperation [PDF]

open access: yes2010 IEEE 72nd Vehicular Technology Conference - Fall, 2010
Systematic Luby Transform (SLT) codes constitute rateless codes, which are capable of adaptively adjusting their code rate depending on the channel quality without explicit channel state information (CSI) at the transmitters. SLTs are also suitable for space-time collaboration aided relay networks.
Ngo H.A., Nguyen T.D., Hanzo L.
openaire   +2 more sources

Design and Experimental Investigation of Decode-and-Forward and Amplify-and-Forward Relaying FSO-CDMA

open access: yesIEEE Photonics Journal, 2022
The scheme of combining relay and optical code division multiple access (OCDMA) is one of the effective methods to improve the reliability and security of free space optical (FSO) communication system.
Jianhua Ji   +4 more
doaj   +1 more source

Decode-and-Forward Relaying via Standard AWGN Coding and Decoding

open access: yesIEEE Transactions on Information Theory, 2016
A framework is developed for decode-and-forward-based relaying using standard coding and decoding that are good for the single-input single-output (SISO) additive white Gaussian noise channel. The framework is applicable to various scenarios and is demonstrated for several important cases.
Khina, Anatoly   +3 more
openaire   +2 more sources

Performance Comparison of Relay-Based Covert Communications: DF, CF and AF

open access: yesSensors, 2023
In this paper, we investigate the performance of covert communications in different types of a relay system: decode-and-forward (DF), compress-and-forward (CF) and amplify-and-forward (AF).
Jihwan Moon
doaj   +1 more source

An Efficient Partner Selection Method to Overcome the Interference Effect in Wireless Networks

open access: yesIEEE Access, 2019
In this paper, through a mathematical analysis of the overall links capacity equation, we present an efficient partner selection criterion in a cooperative communication scheme with a time-varying fading channel and severe interference on the cooperative
Jamal A. Hassan, Samah A. Mustafa
doaj   +1 more source

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