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- Title
Interfering Relay Channels.
- Authors
Do, Hieu T.; Oechtering, Tobias J.; Skoglund, Mikael; Mai Vu
- Abstract
This paper introduces and studies a model in which two relay channels interfere with each other. Motivated by practical scenarios in heterogeneous wireless access networks, each relay is assumed to be connected to its intended receiver through a digital link with finite capacity. Inner and outer bounds for achievable rates are derived and shown to be tight for new discrete memoryless classes, which generalize and unify several known cases involving interference and relay channels. Capacity region and sum capacity for multiple Gaussian scenarios are also characterized to within a constant gap. The results show the optimality or near-optimality of the quantize-bin-and-forward coding scheme for practically relevant relay-interference networks, which brings important engineering insight into the design of wireless communications systems.
- Subjects
INTERFERENCE channels (Telecommunications); INTERNET Relay Chat; SENSOR networks; MEMORYLESS systems; SYSTEM analysis
- Publication
Entropy, 2017, Vol 19, Issue 9, p441
- ISSN
1099-4300
- Publication type
Article
- DOI
10.3390/e19090441