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Bandwidth Adaptive & Error Resilient MBR Exact Repair Regenerating Codes
Kaveh Mahdaviani, Ashish Khisti, Soheil Mohajer
Regenerating codes are efficient methods for distributed storage in storage networks, where node failures are common. They guarantee low cost data reconstruction and repair through…
Covert Communication with Channel-State Information at the Transmitter
Si-Hyeon Lee, Ligong Wang, Ashish Khisti +1
We consider the problem of covert communication over a state-dependent channel, where the transmitter has causal or noncausal knowledge of the channel states. Here, "covert" means…
Product Matrix Minimum Storage Regenerating Codes with Flexible Number of Helpers
Kaveh Mahdaviani, Soheil Mohajer, Ashish Khisti
In coding for distributed storage systems, efficient data reconstruction and repair through accessing a predefined number of arbitrarily chosen storage nodes is guaranteed by regen…
Product Matrix MSR Codes with Bandwidth Adaptive Exact Repair
Kaveh Mahdaviani, Soheil Mohajer, Ashish Khisti
In a distributed storage systems (DSS) with systematic nodes, robustness against node failure is commonly provided by storing redundancy in a number of other nodes and performi…
Secure Broadcasting Using Independent Secret Keys
Rafael F. Schaefer, Ashish Khisti, H. Vincent Poor
The problem of secure broadcasting with independent secret keys is studied. The particular scenario is analyzed in which a common message has to be broadcast to two legitimate rece…
Tracking and Control of Gauss-Markov Processes over Packet-Drop Channels with Acknowledgments
Anatoly Khina, Victoria Kostina, Ashish Khisti +1
We consider the problem of tracking the state of Gauss-Markov processes over rate-limited erasure-prone links. We concentrate first on the scenario in which several independent pro…