Adaptive Modulation in Two Way Relay Channel
Beamforming optimization for two-way relay channel
... wiretap channel, he defined the notion of secrecy capacity to measure the maximum transmission rate from the source to the legitimate destination while the information leakage to the eavesdroppers is ...broadcast ...
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Network Coded Modulation for Two Way Relay Networks
... and relay nodes to improve transmission ...in two way relay network coding ...AWGN channel model and standard wireless channel models for wireless networks are considered in the ...
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Channel Estimation for Two Way Relay OFDM Networks
... Copyright © 2010 Weiwei Yang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...
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Performance assessment of wireless Two Way Relay Channel systems
... on channel polar- ized systems, which was explained in the previous ...transmission channel for po- larized antennas are that node(s)/relay(s) do not need to have a different carrier frequency for ...
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Degrees of Freedom for MIMO Two-Way X Relay Channel
... MIMO two-way X relay channel and analyze its total ...are two groups of source nodes with each group consisting of two nodes, and a relay ...the two source nodes in ...
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Joint Channel Network Coding for the Gaussian Two Way Two Relay Network
... generalizing two-way relay network with one relay to two-way relay network with multiple ...the two-way multiple-relay network, we focus on the case ...
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Distributed Coding Modulation Adaptation Scheme for Relay Channel
... The relay system consists of three nodes, i.e., one source, one relay and one ...node. Relay node and destination node achieve rate adaptation by using ...RPC. Relay node uses syndrome encoder ...
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Achievable Rate Regions for Two-Way Relay Channel using Nested Lattice coding
... for Two-Way Relay Channel using Nested Lattice Coding Sinda Smirani, Mohamed Kamoun, Mireille Sarkiss, Abdellatif Zaidi and Pierre Duhamel Abstract—This paper studies Gaussian ...
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Lattice coded cooperation protocol for the half duplex Gaussian two way relay channel
... introduce two other ...the relay and the other node tries to recover the mes- sage of the other ...These two phases are referred to as the cooperative ...into two parts using nested lattice ...
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Channel estimation and optimal training with the LMMSE criterion for OFDM based two way relay networks
... 7 Conclusion In this paper, we have addressed the LMMSE estimation of channels for OFDM-based TWR systems employing ANC. We have derived the conditions for optimal training sequences minimizing the MSE of the LMMSE ...
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Joint Beamforming Optimization and Power Control for Full-Duplex MIMO Two-Way Relay Channel
... the relay which uses the amplify-and-forward protocol as well as the power control at the ...solve two problems: finding the achievable rate region and maximizing the sum ...duplex two-way ...
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Network coding-based channel quality indicator reporting for two-way multi-relay networks
... between two terminals in TWMRNs can be assisted by all available relay nodes, relay selection (RS) should be ...best relay is chosen based on a specific selection criterion, ...of ...
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Robust Beamforming for Two-Way Relay Systems
... in two-way relays ...between two destination ...the relay node and a single antenna at the two destination ...of channel state information ...
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Secure Communications for Two Way Relay Networks Via Relay Chatting
... a two-way relay network consisting of two sources, multiple cooperative relays and an ea- ...new relay chatting based on transmission scheme is ...best relay that maximize the ...
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Dynamic Channel Allocation Techniques Using Adaptive Modulation and Adaptive Antennas
... ment adaptive antenna arrays, as the users roam from cell to ...from two to ...the modulation mode selection–power control algorithm and its interaction with the FCA handover ...current ...
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Performance analysis of cognitive underlay two way relay networks with interference and imperfect channel state information
... consider two-way systems for perfect channel state information ...and channel estimation errors, perfect CSI is practically difficult to ...has two secondary terminals and a number of ...
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A new blind algorithm for channel estimation in OFDM based amplify and forward two way relay networks
... CIR: Channel impulse response; CP: Cyclic prefix; CSI: Channel state information; DA: Data-aided; DF: Decode-and-forward; DFT: Discrete fourier transform; HOS: Higher order statistics; IDFT: Inverse ...
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Energy efficiency analysis of one way and two way relay systems
... in two directions, the spectral efficient two-way relaying is also more energy efficient than one-way relaying, but two-way relaying only pro- vides higher energy efficiency than ...
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Achievable Rate Regions of Two-Way Relay Channels
... became relay nodes. The concept of relay channels was first brought forward by Van-der Meulen [17], ...a channel model not only the source node and the destination node, but also the intermediate ...
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Superimposed Training Based Joint CFO and Channel Estimation for CP OFDM Modulated Two Way Relay Networks
... and channel estimation ...the relay node superimposes its own pilots over the pilots received from the two ...the two source terminals is small, the MSE approaches CRB in the high SNR region, ...
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