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Conference Paper
Capacity of a Two-way Function Multicast Channel
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- Authors
- Seiyun Shin, Changho Suh
- Issue Date
- 2017-10
- Citation
- Allerton Conference on Communication, Control, and Computing 2017, pp.125-133
- Language
- English
- Type
- Conference Paper
- Abstract
- We explore the role of interaction for the problem of reliable computation over two-way multicast networks. Specifically we consider a four-node network in which two nodes wish to compute a modulo-sum of two independent Bernoulli sources generated from the other two, and a similar task is done in the other direction. The main contribution of this work lies in the characterization of the computation capacity region for a deterministic model of the network via a novel transmission scheme. One consequence of this result is that not only we can get an interaction gain over the one-way non-feedback computation capacities, we can sometime get all the way to perfect-feedback computation capacities simultaneously in both directions. This result draws a parallel with the recent result developed in the context of two-way interference channels [1].
- KSP Keywords
- Deterministic model, One-Way, Transmission scheme, capacity region, interference channels, multicast network, node network, two-way