Two-Way Relay Networks
Superimposed Training Based Joint CFO and Channel Estimation for CP OFDM Modulated Two Way Relay Networks
... Two-way relay networks (TWRNs) [1] have received much attention due to their improved spectral efficiency over a one-way relay network (OWRN) ...the relay and then to the ...
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Sum rate maximization and robust beamforming design for MIMO two way relay networks with reciprocal and imperfect CSI
... MIMO relay networks with imperfect CSI [4], where the Kronecker model is adopted for the covari- ance of the CSI ...robust relay beamforming for two-way relay networks ...
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Energy efficient resource allocation for OFDMA two way relay networks with imperfect CSI
... (OFDMA) two-way relay networks: the inaccuracy of channel-state information (CSI) available to the ...allocation, relay selection, and transmit power allocation is formulated in OFDMA ...
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Secure Communication for Two-way Relay Networks with Imperfect CSI
... low-complex networks which cannot afford multiple antennas. Cooperative relay networks with amplify-and-forward (AF) [12–15] or decode-and-forward (DF) [16,17] protocols are mostly ...one-way ...
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Channel estimation and optimal training with the LMMSE criterion for OFDM based two way relay networks
... spends two transmission phases in data exchange [4,5], the inefficiency has recently been partially mitigated in two-way relaying (TWR) networks: In the scheme, two communicating source ...
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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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Outage optimal opportunistic scheduling with analog network coding in multiuser two way relay networks
... requiring two separate time phases for data flow in each direction and hence is spectrally ...the two users transmit successively in first and second phases, the relay then decodes both the data, ...
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Outage probability of power splitting SWIPT two way relay networks in Nakagami m fading
... wireless networks, includ- ing cooperative relaying network [12–16], power alloca- tion strategies [17–19], resource scheduling [20, 21], and multiple-input multiple-out (MIMO) system [22–24] or multiple-input ...
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A new blind algorithm for channel estimation in OFDM based amplify and forward two way relay networks
... way they interpolate or filter punctual DA least square (DA-LS) channel estimates over data subcarriers. This can be accomplished using time-frequency Wiener filtering [10, 11], which is optimal in the minimum ...
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Performance analysis of cognitive underlay two way relay networks with interference and imperfect channel state information
... Rapid development of wireless networks coupling with a large number of users and requirements for high- speed wireless services leads to radio frequency spectrum scarcity. Many researchers have enhanced the ...
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Interference Alignment for High Rate Transmission in Partially Connected Multi-User Two-Way Relay Networks
... Interference alignment (IA) in two-way relaying networks Introduction of a partially connected network!. Proposed algorithm Simulation results Summary[r] ...
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Total Throughput Maximization of Two-Way Relay Networks Using Af Cooperative Protocol
... wireless relay network where multiple user pairs conduct bidirectional communications via multiple relays based on orthogonal frequency-division multiplexing (OFDM) ...of relay nodes is evaluated through ...
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Sum-Rate Maximization of Multi-User OFDMA Two-way Relay Networks under Sub-Carrier Pairing and Fairness Constraints
... In this paper, we propose an optimal radio resource allocation with sub-carrier pairing and fairness constraints intended for multi-user, multi- carrier (OFDMA) considering single cell, single relay and two ...
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Enhanced beamforming design and sum rate maximization for two way multi relay networks
... Relay precoder design methods have been investigated in [7–10]. In [7], the authors considered multi-user two- way relay networks (TWRN) with distributed single- antenna relays, where ...
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Distributed Relay Beamforming in Cognitive Two Way Networks: SINR Balancing Approach
... distributed relay beamforming for a bidirectional cognitive relay network which consists of two secondary transceivers and K ognitive relay nodes and a primary network with a transmitter and ...
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Channel Estimation for Two Way Relay OFDM Networks
... where two source terminals simultaneously communicate. The two-way channel was first considered by Shannon, who derived inner and outer bounds on the capacity region ...the two-way ...
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ENHANCING SECURITY IN TWO-WAY RELAY NETWORK BY USING COOPERATION JAMMING AND RELAY SELECTION APPROACH
... in two-way relay ...in two-way relay networks by using cooperation jamming and relay selection approach for enhancing ...a two-way relay ...
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Decoupled beamforming techniques for distributed MIMO two way multi relay networks with imperfect CSI
... (MIMO) two-way relay networks (TWRN) with imperfect channel state informations ...semi-infinite relay power ...optimal relay beamforming design and maximum ratio combining (MRC) ...
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Exploring Relay Cooperation for Secure and Reliable Transmission in Two-HopWireless Networks
... military networks and emergency ...any way to break them ...the two-hop wireless ...into two categories depending on whether the information of eavesdroppers channels and locations is known or ...
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MIMO Network Coding Based PHY/MAC Protocol for Replacement of CSMA/CA in Efficient Two Way Multihop Relay Networks
... of this network is 1/2 × 54 [Mbps] = 27 [Mbps]. To better see the performance of nonslotted/slotted CSMA/CA-based protocols, the throughput and delay performance in low input rate area are zoomed in and shown in Figures ...
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