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cs.IT2019
Channel Conditions for the Optimality of Interference Decoding Schemes for K-user Gaussian Interference Channels
Ragini Chaluvadi, Bolli Madhuri, Srikrishna Bhashyam
The Han-Kobayashi (HK) scheme achieves the best known achievable rate region for the K user interference channel (IC). Simple HK schemes are HK schemes with Gaussian signaling, no…
cs.IT2017
On the Sum Capacity of Many-to-one and One-to-many Gaussian Interference Channels
Abhiram Gnanasambandam, Ragini Chaluvadi, Srikrishna Bhashyam
We obtain new sum capacity results for the Gaussian many-to-one and one-to-many interference channels in channel parameter regimes where the sum capacity was known only up to a con…