Elements of information theory
Elements of information theory
On the construction of some capacity-approaching coding schemes
On the construction of some capacity-approaching coding schemes
Using 2: 1 Shannon Mapping for Joint Source-Channel Coding
DCC '05 Proceedings of the Data Compression Conference
Analog network coding mappings for the Gaussian multiple-access relay channel
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 1
Hybrid digital-analog relaying for cooperative transmission over slow fading channels
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Capacity bounds and power allocation for wireless relay channels
IEEE Transactions on Information Theory
Cooperative Strategies and Capacity Theorems for Relay Networks
IEEE Transactions on Information Theory
Analog network coding mappings for the Gaussian multiple-access relay channel
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 1
Analog network coding mappings in Gaussian multiple-access relay channels
IEEE Transactions on Communications
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We consider the multiple-access relay channel with two source nodes, one relay node and one destination node. For practical simplicity, we consider orthogonal transmission of the source messages and half-duplex relaying. Further, we assume that the relay is memoryless and is implemented based on a two-to-one deterministic mapping. Essentially the proposed mappings combine the two incoming analog signals and forward them to the destination, thus we term them analog network coding mappings. We investigate both linear and non-linear mappings. In particular, we propose to use mappings based on the Archimedean spiral for analog non-linear combining. In addition, we also propose to couple spiral mappings with sawtooth-like mappings to exploit the potential side information provided by the direct links. We investigate the resulting achievable rate regions and sum rates, and demonstrate significant gains.