Transceiver Designs for Multiuser Two-Way Relay Systems

Ye, Guowen; Wang, Rui

doi:10.1016/j.proeng.2012.01.641

Cited by 1 publication

(3 citation statements)

References 6 publications

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“…where 𝑎 1 , 𝑎 2 are the BF gains of each end node, chosen to align the signal subspaces at the relay and 𝑑 min is the minimum distance of the transmit constellation 𝑆, which contains M-QAM symbols. These works include [58,59].…”

Section: (E) Maximization Of the Distance Of Network-coded Symbolsmentioning

confidence: 99%

“…Finally, while aiming to optimize the total MSE and sum rate and combat interference, different precoding schemes are applied for enhancing the uplink transmission performance [59]. This work investigates two-way relaying for a topology where a MIMO BS with an ML decoder, communicates with 𝐾 single-antenna users through a common MIMO AF relay.…”

Section: Multiple Pairsmentioning

confidence: 99%

“…Through the proposed methods, self-interference and cochannel interference are efficiently mitigated. The authors in [27] extend the study in [59] by considering a similar cellular multiuser two-way relaying topology and aiming to optimize the total MSE and sum rate. Linear precoding designs are given for BS precoding, RS precoding, and joint BS-RS precoding.…”

Section: Multiple Pairsmentioning

confidence: 99%

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A Survey on Beamforming Techniques for Wireless MIMO Relay Networks

Vouyioukas

2013

International Journal of Antennas and Propagation

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One of the major challenges the mobile broadband community faces is the exponential increase in mobile data traffic, even more so, for cell-edge users. Thus, in a multitier network, the demand for high-speed and interference-free transmission and reception is inevitable. Beamforming (BF) is an advanced technology that offers a significantly improved solution to reduce the interference levels and improve the system capacity. Accordingly, the establishment of relays in mobile data networks has emerged spectral efficiency enhancements and cell capacity gains from an overall system perspective. This paper provides a comprehensive survey focused on the performance of adopted beamforming technique on MIMO relay networks that is expected to overcome crucial obstacles in terms of capacity and interference. The main objective is to point out the state-of-the-art research activity on BF techniques in MIMO relay networks, under various network performance challenges. Thereby, it focuses on recently developed procedures for interference modeling and mitigation, BF channel modeling, channel estimation and feedback, complexity and power consumption, adaptive BF for multiuser relaying, degrees of freedom, diversity issues, and spectral efficiency, in cooperative and opportunistic systems. Different network topologies have been considered and categorized, pertaining the challenges of BF implementation in MIMO relay networks.

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Section: (E) Maximization Of the Distance Of Network-coded Symbolsmentioning

confidence: 99%

Section: Multiple Pairsmentioning

confidence: 99%