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Optimization framework and graph-based approach for relay-assisted bidirectional OFDMA cellular networks
This paper considers a relay-assisted bidirectional cellular network where the base station
(BS) communicates with each mobile station (MS) using orthogonal frequency-division …
(BS) communicates with each mobile station (MS) using orthogonal frequency-division …
Superimposed XOR: A new physical layer network coding scheme for two-way relay channels
We present a new physical layer network coding (PLNC) scheme, called superimposed
XOR, for two-way relay channels. The new scheme specifically takes into account the …
XOR, for two-way relay channels. The new scheme specifically takes into account the …
Throughput and stability for relay-assisted wireless broadcast with network coding
The throughput and stability properties of wireless network coding are evaluated for an
arbitrary number of terminals exchanging broadcast traffic with the aid of a relay. First …
arbitrary number of terminals exchanging broadcast traffic with the aid of a relay. First …
Digital network coding aided two-way relaying: Energy minimization and queue analysis
In this paper, we consider a three-node, two-way relay system with digital network coding.
The aim is to minimize total energy consumption while ensuring queue stability at all nodes …
The aim is to minimize total energy consumption while ensuring queue stability at all nodes …
Cross-layer optimization of two-way relaying for statistical QoS guarantees
Two-way relaying promises considerable improvements on spectral efficiency in wireless
relay networks. While most existing works focus on physical layer approaches to exploit its …
relay networks. While most existing works focus on physical layer approaches to exploit its …
Sum-rate maximization with minimum power consumption for MIMO DF two-way relaying—Part I: Relay optimization
The problem of power allocation is studied for a multiple-input multiple-output (MIMO)
decode-and-forward (DF) two-way relaying (TWR) system consisting of two source nodes …
decode-and-forward (DF) two-way relaying (TWR) system consisting of two source nodes …
Compute-and-forward: Optimization over multisource–multirelay networks
In this paper, we investigate a multisource multicast network with the aid of an arbitrary
number of relays, where it is assumed that no direct link is available at each SD pair. The …
number of relays, where it is assumed that no direct link is available at each SD pair. The …
Turing meets Shannon: On the algorithmic construction of channel-aware codes
A capacity result involves two parts: achievability and converse. The achievability proof is
usually non-constructive and only the existence of capacity-achieving codes is shown …
usually non-constructive and only the existence of capacity-achieving codes is shown …
Optimal time-division for bidirectional relaying using superposition encoding
Bidirectional wireless communication between two nodes is enabled by a half-duplex relay
node using a two-phase decode-and-forward protocol. In the first phase, the messages of …
node using a two-phase decode-and-forward protocol. In the first phase, the messages of …
Decode-and-forward strategies for bidirectional relaying
We consider a three-node network, where a relay node establishes a bidirectional
communication between two nodes using a two-phase decode-and-forward protocol. In the …
communication between two nodes using a two-phase decode-and-forward protocol. In the …